/* =========================================================
   HOMORO ARTICLE SYSTEM — CORE
   Shared by all standardized WordPress articles
   ========================================================= */

.hm-article {
  --hm-content-width: 1180px;
  --hm-text: #172033;
  --hm-muted: #667085;
  --hm-line: #e4e7ec;
  --hm-surface: #ffffff;
  --hm-soft: #f7f8fa;
  --hm-accent: #245fbd;
  position: relative;
  width: 100%;
  direction: rtl;
  font-family: inherit;
  line-height: 1.85;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.hm-article,
.hm-article *,
.hm-article *::before,
.hm-article *::after {
  box-sizing: border-box;
}

.hm-article img,
.hm-article svg {
  max-width: 100%;
}

.hm-article img {
  height: auto;
  -webkit-user-drag: none;
  user-drag: none;
}

.hm-article input,
.hm-article textarea,
.hm-article [contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
}

.hm-article a {
  text-underline-offset: .18em;
}

.hm-article section[id] {
  scroll-margin-top: 24px;
}

.hm-reading-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 3px;
  z-index: 999;
  pointer-events: none;
  background: transparent;
}

.hm-reading-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: currentColor;
  color: var(--hm-accent);
  transform-origin: right center;
}

.hm-article-toc {
  width: min(100%, var(--hm-content-width));
  margin: 0 auto 36px;
  padding: 18px 22px;
  border: 1px solid var(--hm-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .94);
}

.hm-article-toc__title {
  display: block;
  margin-bottom: 10px;
  color: var(--hm-text);
  font-size: .92rem;
  font-weight: 800;
}

.hm-article-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hm-article-toc__list a {
  color: var(--hm-muted);
  font-size: .86rem;
  font-weight: 600;
  text-decoration: none;
}

.hm-article-toc__list a:hover,
.hm-article-toc__list a:focus-visible {
  color: var(--hm-accent);
}

.hm-reveal,
.hm-reveal-scale {
  will-change: opacity, transform;
}

.hm-article [data-hm-faq-question] {
  cursor: pointer;
}

.hm-article [data-hm-faq-answer] {
  overflow: hidden;
}

.hm-article [data-hm-faq-question]:focus-visible,
.hm-article a:focus-visible,
.hm-article button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .hm-article-toc {
    margin-bottom: 24px;
    padding: 16px;
  }

  .hm-article-toc__list {
    display: grid;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hm-article *,
  .hm-article *::before,
  .hm-article *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}


/* =========================================================
   LEGACY ARTICLE MODULE: شتاب در برابر اسب بخار (acceleration)
   Scoped to .hm-article--acceleration
   ========================================================= */


    /* ═══════════════ TOKENS ═══════════════ */
    .hm-article--acceleration{
      --white:       #ffffff;
      --offwhite:    #f5f7fc;
      --gray-light:  #eaeff8;
      --gray-mid:    #dde4f0;
      --blue-ink:    #0c1e3d;
      --blue-deep:   #102c5a;
      --blue-main:   #1a4080;
      --blue-mid:    #2259b0;
      --blue-vivid:  #3371d6;
      --blue-pale:   #dce8fa;
      --black:       #080c14;
      --text:        #111827;
      --text-mid:    #374151;
      --text-soft:   #6b7280;
      --border:      #d1ddef;
      --border-soft: #e8eef8;
      --font: inherit;
    }

    .hm-article--acceleration *, .hm-article--acceleration *::before, .hm-article--acceleration *::after{ box-sizing: border-box; margin: 0; padding: 0; }
    .hm-article--acceleration{ scroll-behavior: smooth; font-size: 16px; }

    .hm-article--acceleration{
      font-family: inherit;
      background: var(--white);
      color: var(--text);
      direction: rtl;
      line-height: 1.85;
      -webkit-font-smoothing: antialiased;
      user-select: none;
      -webkit-user-select: none;
      -moz-user-select: none;
    }

    /* ═══════════════ BREADCRUMB ═══════════════ */
    .hm-article--acceleration .hm-acceleration-bc-bar{
      background: var(--offwhite);
      border-bottom: 1px solid var(--border-soft);
      padding: 11px 24px;
    }
    .hm-article--acceleration .hm-acceleration-bc-inner{ max-width: 1060px; margin: 0 auto; }
    .hm-article--acceleration .hm-acceleration-bc-list{ display: flex; align-items: center; gap: 6px; list-style: none; flex-wrap: wrap; }
    .hm-article--acceleration .hm-acceleration-bc-list li{ display: inline; font-size: 12px; }
    .hm-article--acceleration .hm-acceleration-bc-list a{ color: var(--text-soft); text-decoration: none; transition: color .2s; }
    .hm-article--acceleration .hm-acceleration-bc-list a:hover{ color: var(--blue-mid); }
    .hm-article--acceleration .hm-acceleration-bc-list li:last-child{ color: var(--blue-main); font-weight: 600; }
    .hm-article--acceleration .hm-acceleration-bc-sep{ color: var(--text-soft); opacity: .4; }

    /* ═══════════════ HERO ═══════════════ */
    .hm-article--acceleration .hm-acceleration-hero{
      background: var(--blue-ink);
      position: relative;
      overflow: hidden;
      padding: 76px 24px 64px;
    }

    /* tachometer SVG background watermark */
    .hm-article--acceleration .hm-acceleration-hero-watermark{
      position: absolute;
      left: -60px; top: 50%;
      transform: translateY(-50%);
      width: 480px; height: 480px;
      opacity: 0.04;
      pointer-events: none;
    }

    /* animated speed-line stripes */
    .hm-article--acceleration .hm-acceleration-hero-lines{
      position: absolute; inset: 0;
      background: repeating-linear-gradient(
        100deg,
        transparent 0px,
        transparent 80px,
        rgba(255,255,255,0.015) 80px,
        rgba(255,255,255,0.015) 81px
      );
      pointer-events: none;
    }

    /* blue glow top */
    .hm-article--acceleration .hm-acceleration-hero-glow{
      position: absolute; top: -120px; right: -80px;
      width: 500px; height: 400px;
      background: radial-gradient(ellipse, rgba(51,113,214,.28) 0%, transparent 70%);
      pointer-events: none;
    }

    .hm-article--acceleration .hm-acceleration-hero-inner{
      position: relative; z-index: 1;
      max-width: 780px; margin: 0 auto;
      text-align: center;
    }

    .hm-article--acceleration .hm-acceleration-hero-kicker{
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(51,113,214,.15);
      border: 1px solid rgba(51,113,214,.4);
      border-radius: 100px;
      padding: 5px 16px;
      font-size: 11px; font-weight: 700;
      color: #93c5fd;
      letter-spacing: .12em;
      text-transform: uppercase;
      margin-bottom: 22px;
    }
    .hm-article--acceleration .hm-acceleration-hero-kicker-dot{
      width: 6px; height: 6px; border-radius: 50%;
      background: #60a5fa;
      animation: hm-acceleration-blink 2s ease-in-out infinite;
    }
    @keyframes hm-acceleration-blink { 0%,100%{opacity:1} 50%{opacity:.3} }

    .hm-article--acceleration .hm-acceleration-hero-title{
      font-size: clamp(24px, 5.5vw, 46px);
      font-weight: 900;
      color: #ffffff;
      line-height: 1.3;
      margin-bottom: 10px;
    }
    .hm-article--acceleration .hm-acceleration-hero-title em{
      font-style: normal;
      background: linear-gradient(90deg, #60a5fa, #93c5fd);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hm-article--acceleration .hm-acceleration-hero-sub{
      font-size: clamp(14px, 2vw, 16px);
      color: rgba(255,255,255,.5);
      max-width: 560px; margin: 14px auto 44px;
      line-height: 1.7;
    }

    /* hero stat row */
    .hm-article--acceleration .hm-acceleration-hero-stats{
      display: flex; justify-content: center; flex-wrap: wrap;
      gap: 0;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 14px;
      overflow: hidden;
      max-width: 500px; margin: 0 auto;
      background: rgba(255,255,255,.03);
    }
    .hm-article--acceleration .hm-acceleration-h-stat{
      flex: 1; min-width: 120px;
      padding: 16px 20px; text-align: center;
      border-left: 1px solid rgba(255,255,255,.08);
    }
    .hm-article--acceleration .hm-acceleration-h-stat:last-child{ border-left: none; }
    .hm-article--acceleration .hm-acceleration-h-stat strong{ display: block; font-size: 22px; font-weight: 800; color: #60a5fa; }
    .hm-article--acceleration .hm-acceleration-h-stat span{ font-size: 11px; color: rgba(255,255,255,.38); }

    /* ═══════════════ PAGE BODY ═══════════════ */
    .hm-article--acceleration .hm-acceleration-page{ background: var(--white); }

    /* ═══════════════ INTRO ═══════════════ */
    .hm-article--acceleration .hm-acceleration-intro{
      max-width: 800px; margin: 0 auto;
      padding: 60px 24px 44px;
    }
    .hm-article--acceleration .hm-eyebrow{
      display: flex; align-items: center; gap: 10px;
      margin-bottom: 14px;
    }
    .hm-article--acceleration .hm-acceleration-eyebrow-bar{ width: 26px; height: 2.5px; background: var(--blue-vivid); border-radius: 2px; }
    .hm-article--acceleration .hm-acceleration-eyebrow-txt{ font-size: 11px; font-weight: 700; color: var(--blue-vivid); letter-spacing: .12em; text-transform: uppercase; }

    .hm-article--acceleration .hm-section-title{
      font-size: clamp(20px, 3.5vw, 28px);
      font-weight: 800; color: var(--blue-ink);
      line-height: 1.4; margin-bottom: 16px;
    }
    .hm-article--acceleration .hm-body-text{
      font-size: 15px; color: var(--text-mid); line-height: 2;
    }
    .hm-article--acceleration .hm-body-text p + p{ margin-top: 14px; }

    /* formula box */
    .hm-article--acceleration .hm-acceleration-formula-box{
      background: var(--blue-ink);
      border-radius: 14px;
      padding: 28px 32px;
      margin: 32px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .hm-article--acceleration .hm-acceleration-formula-box::before{
      content: "";
      position: absolute; inset: 0;
      background: repeating-linear-gradient(90deg, transparent 0, transparent 30px, rgba(255,255,255,.02) 30px, rgba(255,255,255,.02) 31px);
    }
    .hm-article--acceleration .hm-acceleration-formula-label{ font-size: 11px; color: rgba(255,255,255,.4); letter-spacing: .1em; margin-bottom: 12px; text-transform: uppercase; }
    .hm-article--acceleration .hm-acceleration-formula-main{ font-size: clamp(16px, 3vw, 24px); font-weight: 800; color: #fff; position: relative; }
    .hm-article--acceleration .hm-acceleration-formula-main .hm-acceleration-fraction{ display: inline-flex; flex-direction: column; align-items: center; vertical-align: middle; margin: 0 8px; gap: 2px; }
    .hm-article--acceleration .hm-acceleration-formula-main .hm-acceleration-fnum{ color: #60a5fa; font-size: .85em; padding-bottom: 4px; border-bottom: 2px solid rgba(96,165,250,.5); }
    .hm-article--acceleration .hm-acceleration-formula-main .hm-acceleration-fden{ color: rgba(255,255,255,.6); font-size: .85em; padding-top: 4px; }
    .hm-article--acceleration .hm-acceleration-formula-note{ font-size: 12px; color: rgba(255,255,255,.35); margin-top: 12px; position: relative; }

    /* callout */
    .hm-article--acceleration .hm-acceleration-callout{
      display: flex; gap: 14px; align-items: flex-start;
      background: var(--blue-pale);
      border: 1px solid #bbd4f7;
      border-right: 4px solid var(--blue-mid);
      border-radius: 10px;
      padding: 16px 18px;
      margin: 24px 0;
    }
    .hm-article--acceleration .hm-acceleration-callout-icon{ flex-shrink: 0; margin-top: 2px; color: var(--blue-mid); }
    .hm-article--acceleration .hm-acceleration-callout-text{ font-size: 14px; color: var(--blue-deep); font-weight: 500; line-height: 1.7; }

    /* hr */
    .hm-article--acceleration .hm-acceleration-section-sep{ border: none; border-top: 1px solid var(--border-soft); margin: 0; }

    /* ═══════════════ FACTORS SECTION ═══════════════ */
    .hm-article--acceleration .hm-acceleration-factors-wrap{ background: var(--offwhite); padding: 60px 24px; }
    .hm-article--acceleration .hm-acceleration-factors-inner{ max-width: 1040px; margin: 0 auto; }
    .hm-article--acceleration .hm-acceleration-factors-header{ text-align: center; margin-bottom: 44px; }

    .hm-article--acceleration .hm-acceleration-factors-grid{
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 18px;
    }

    .hm-article--acceleration .hm-acceleration-factor-card{
      background: var(--white);
      border: 1.5px solid var(--border);
      border-radius: 16px;
      padding: 28px 22px;
      position: relative;
      overflow: hidden;
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
      cursor: default;
    }
    .hm-article--acceleration .hm-acceleration-factor-card:hover{
      transform: translateY(-5px);
      border-color: var(--blue-mid);
      box-shadow: 0 10px 36px rgba(26,64,128,.1);
    }
    .hm-article--acceleration .hm-acceleration-factor-card::before{
      content: "";
      position: absolute; top: 0; left: 0; right: 0; height: 3px;
      background: linear-gradient(90deg, var(--blue-mid), var(--blue-vivid));
      border-radius: 16px 16px 0 0;
    }

    .hm-article--acceleration .hm-acceleration-factor-num{
      position: absolute; top: 16px; left: 18px;
      font-size: 52px; font-weight: 900;
      color: var(--text); opacity: .04; line-height: 1;
    }

    .hm-article--acceleration .hm-acceleration-factor-icon{
      width: 46px; height: 46px; border-radius: 11px;
      background: var(--blue-pale);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 16px;
      color: var(--blue-mid);
    }

    .hm-article--acceleration .hm-acceleration-factor-title{
      font-size: 16px; font-weight: 800;
      color: var(--blue-ink); margin-bottom: 4px;
    }
    .hm-article--acceleration .hm-acceleration-factor-en{ font-size: 11px; color: var(--text-soft); margin-bottom: 12px; }
    .hm-article--acceleration .hm-acceleration-factor-desc{ font-size: 13.5px; color: var(--text-mid); line-height: 1.85; }

    /* bullet list inside factor */
    .hm-article--acceleration .hm-acceleration-factor-list{
      margin-top: 14px; list-style: none; display: flex; flex-direction: column; gap: 7px;
    }
    .hm-article--acceleration .hm-acceleration-factor-list li{
      display: flex; align-items: flex-start; gap: 8px;
      font-size: 13px; color: var(--text-mid); line-height: 1.6;
    }
    .hm-article--acceleration .hm-acceleration-factor-list li::before{
      content: "";
      flex-shrink: 0; margin-top: 8px;
      width: 5px; height: 5px; border-radius: 50%;
      background: var(--blue-mid);
    }

    /* trade-off note */
    .hm-article--acceleration .hm-acceleration-tradeoff{
      display: flex; align-items: center; gap: 10px;
      background: #fff8ed; border: 1px solid #f0d07a;
      border-radius: 8px; padding: 10px 14px;
      font-size: 12px; color: #92600a; font-weight: 600;
      margin-top: 12px;
    }

    /* ═══════════════ COMPARISON TABLE ═══════════════ */
    .hm-article--acceleration .hm-acceleration-table-wrap{ max-width: 900px; margin: 0 auto; padding: 60px 24px; }
    .hm-article--acceleration .hm-acceleration-table-scroll{ overflow-x: auto; border-radius: 14px; border: 1.5px solid var(--border); box-shadow: 0 4px 20px rgba(12,30,61,.06); }
    .hm-article--acceleration table{ width: 100%; border-collapse: collapse; min-width: 520px; }
    .hm-article--acceleration thead tr{ background: var(--blue-ink); }
    .hm-article--acceleration th{ padding: 14px 18px; font-size: 12px; font-weight: 700; color: rgba(255,255,255,.8); text-align: right; }
    .hm-article--acceleration td{ padding: 13px 18px; font-size: 13.5px; color: var(--text-mid); border-bottom: 1px solid var(--border-soft); text-align: right; }
    .hm-article--acceleration td:first-child{ font-weight: 600; color: var(--text); }
    .hm-article--acceleration tbody tr:last-child td{ border-bottom: none; }
    .hm-article--acceleration tbody tr:nth-child(even) td{ background: var(--offwhite); }
    .hm-article--acceleration tbody tr:hover td{ background: var(--blue-pale); transition: background .2s; }
    .hm-article--acceleration .hm-acceleration-pos{ color: #15803d; font-weight: 700; }
    .hm-article--acceleration .hm-acceleration-neg{ color: #dc2626; font-weight: 700; }
    .hm-article--acceleration .hm-acceleration-neu{ color: #92600a; font-weight: 700; }

    /* ═══════════════ CONCLUSION ═══════════════ */
    .hm-article--acceleration .hm-acceleration-conclusion-band{ background: var(--blue-ink); padding: 64px 24px; }
    .hm-article--acceleration .hm-acceleration-conclusion-inner{ max-width: 800px; margin: 0 auto; }
    .hm-article--acceleration .hm-acceleration-conclusion-card{
      position: relative; overflow: hidden;
    }
    .hm-article--acceleration .hm-acceleration-conclusion-card::before{
      content: "";
      position: absolute; top: -80px; right: -80px;
      width: 280px; height: 280px;
      background: radial-gradient(circle, rgba(51,113,214,.2), transparent 70%);
      pointer-events: none;
    }
    .hm-article--acceleration .hm-acceleration-conclusion-title{
      font-size: clamp(20px, 3.5vw, 28px); font-weight: 900;
      color: #fff; line-height: 1.35; margin-bottom: 18px; position: relative;
    }
    .hm-article--acceleration .hm-acceleration-conclusion-title em{ font-style: normal; color: #60a5fa; }
    .hm-article--acceleration .hm-acceleration-conclusion-body{ font-size: 15px; color: rgba(255,255,255,.58); line-height: 2; position: relative; }
    .hm-article--acceleration .hm-acceleration-conclusion-body p + p{ margin-top: 14px; }

    /* summary chips */
    .hm-article--acceleration .hm-acceleration-summary-chips{
      display: flex; flex-wrap: wrap; gap: 10px;
      margin-top: 28px; position: relative;
    }
    .hm-article--acceleration .hm-acceleration-chip{
      display: inline-flex; align-items: center; gap: 6px;
      background: rgba(51,113,214,.18);
      border: 1px solid rgba(51,113,214,.35);
      border-radius: 100px; padding: 6px 14px;
      font-size: 12px; font-weight: 600; color: #93c5fd;
    }
    .hm-article--acceleration .hm-acceleration-chip svg{ flex-shrink: 0; }

    /* ═══════════════ RELATED ARTICLE ═══════════════ */
    .hm-article--acceleration .hm-acceleration-related-wrap{ max-width: 800px; margin: 0 auto; padding: 56px 24px 0; }
    .hm-article--acceleration .hm-acceleration-related-card{
      display: flex; align-items: center; gap: 18px;
      background: var(--white); border: 1.5px solid var(--border);
      border-radius: 14px; padding: 22px 24px;
      text-decoration: none;
      transition: border-color .25s, box-shadow .25s, transform .25s;
    }
    .hm-article--acceleration .hm-acceleration-related-card:hover{
      border-color: var(--blue-mid);
      box-shadow: 0 8px 28px rgba(26,64,128,.1);
      transform: translateY(-3px);
    }
    .hm-article--acceleration .hm-acceleration-related-icon{
      flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px;
      background: var(--blue-pale); display: flex; align-items: center; justify-content: center;
      color: var(--blue-mid);
    }
    .hm-article--acceleration .hm-acceleration-related-text{ flex: 1; }
    .hm-article--acceleration .hm-acceleration-related-label{ font-size: 11px; font-weight: 700; color: var(--blue-vivid); letter-spacing: .08em; margin-bottom: 5px; }
    .hm-article--acceleration .hm-acceleration-related-title{ font-size: 15px; font-weight: 700; color: var(--blue-ink); line-height: 1.4; }
    .hm-article--acceleration .hm-acceleration-related-arr{ flex-shrink: 0; color: var(--text-soft); transition: transform .25s; }
    .hm-article--acceleration .hm-acceleration-related-card:hover .hm-acceleration-related-arr{ transform: translateX(-4px); color: var(--blue-mid); }

    /* ═══════════════ FAQ ═══════════════ */
    .hm-article--acceleration .hm-acceleration-faq-section{ max-width: 800px; margin: 0 auto; padding: 56px 24px; }
    .hm-article--acceleration .hm-acceleration-faq-list{ margin-top: 28px; display: flex; flex-direction: column; gap: 10px; }
    .hm-article--acceleration .hm-faq-item{ border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--white); transition: border-color .25s, box-shadow .25s; }
    .hm-article--acceleration .hm-faq-item.hm-is-open{ border-color: var(--blue-mid); box-shadow: 0 4px 18px rgba(26,64,128,.1); }
    .hm-article--acceleration .hm-faq-question{
      width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px;
      padding: 18px 22px; background: none; border: none;
      color: var(--text); font-family: inherit; font-size: 14px; font-weight: 700;
      text-align: right; cursor: pointer; transition: color .2s;
    }
    .hm-article--acceleration .hm-faq-question:hover, .hm-article--acceleration .hm-faq-item.hm-is-open .hm-faq-question{ color: var(--blue-main); }
    .hm-article--acceleration .hm-faq-icon{ flex-shrink: 0; color: var(--text-soft); transition: transform .3s; }
    .hm-article--acceleration .hm-faq-item.hm-is-open .hm-faq-icon{ transform: rotate(180deg); color: var(--blue-mid); }
    .hm-article--acceleration .hm-faq-answer{ display: none; padding: 0 22px 18px; font-size: 14px; color: var(--text-mid); line-height: 1.9; }
    .hm-article--acceleration .hm-faq-item.hm-is-open .hm-faq-answer{ display: block; }

    /* ═══════════════ CTA ═══════════════ */
    .hm-article--acceleration .hm-acceleration-cta-band{ background: var(--blue-ink); padding: 72px 24px; text-align: center; }
    .hm-article--acceleration .hm-acceleration-cta-title{ font-size: clamp(22px, 4vw, 34px); font-weight: 900; color: #fff; margin-bottom: 10px; }
    .hm-article--acceleration .hm-acceleration-cta-title em{ font-style: normal; color: #60a5fa; }
    .hm-article--acceleration .hm-acceleration-cta-sub{ font-size: 15px; color: rgba(255,255,255,.45); margin-bottom: 36px; }
    .hm-article--acceleration .hm-acceleration-cta-btn{
      display: inline-flex; align-items: center; gap: 12px;
      background: linear-gradient(135deg, #2259b0, #1a4080);
      color: #fff; font-family: inherit; font-size: 17px; font-weight: 800;
      padding: 18px 44px; border-radius: 100px;
      text-decoration: none; cursor: pointer;
      border: 2px solid rgba(96,165,250,.35);
      position: relative; overflow: hidden;
      transition: transform .3s, box-shadow .3s;
      box-shadow: 0 8px 30px rgba(34,89,176,.4);
    }
    .hm-article--acceleration .hm-acceleration-cta-btn::before{
      content: ""; position: absolute; top: 0; right: -100%; width: 60%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      transition: right .6s;
    }
    .hm-article--acceleration .hm-acceleration-cta-btn:hover::before{ right: 140%; }
    .hm-article--acceleration .hm-acceleration-cta-btn:hover{ transform: translateY(-3px); box-shadow: 0 16px 44px rgba(34,89,176,.55); }
    .hm-article--acceleration .hm-acceleration-cta-btn svg{ transition: transform .3s; }
    .hm-article--acceleration .hm-acceleration-cta-btn:hover svg{ transform: translateX(-4px); }
    .hm-article--acceleration .hm-acceleration-cta-note{ margin-top: 14px; font-size: 12px; color: rgba(255,255,255,.25); }

    /* ═══════════════ FOOTER ═══════════════ */
    .hm-article--acceleration footer{ background: #060c1b; border-top: 1px solid rgba(255,255,255,.05); padding: 28px 24px; text-align: center; }
    .hm-article--acceleration footer p{ font-size: 12px; color: rgba(255,255,255,.25); }
    .hm-article--acceleration footer a{ color: inherit; text-decoration: none; }
    .hm-article--acceleration footer a:hover{ color: #60a5fa; }

    /* ═══════════════ REVEAL ═══════════════ */
    .hm-article--acceleration .hm-reveal{ opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
    .hm-article--acceleration .hm-reveal.hm-is-visible{ opacity: 1; transform: translateY(0); }

    /* ═══════════════ RESPONSIVE ═══════════════ */
    @media (max-width: 640px) {
      .hm-article--acceleration .hm-acceleration-hero{ padding: 56px 16px 48px; }
      .hm-article--acceleration .hm-acceleration-hero-stats{ max-width: 100%; }
      .hm-article--acceleration .hm-acceleration-h-stat{ min-width: 100px; padding: 14px 12px; }
      .hm-article--acceleration .hm-acceleration-factor-card{ padding: 22px 18px; }
      .hm-article--acceleration .hm-acceleration-conclusion-band{ padding: 48px 16px; }
      .hm-article--acceleration .hm-acceleration-cta-btn{ font-size: 15px; padding: 16px 28px; }
      .hm-article--acceleration th, .hm-article--acceleration td{ padding: 11px 12px; font-size: 12.5px; }
      .hm-article--acceleration .hm-acceleration-formula-box{ padding: 22px 18px; }
      .hm-article--acceleration .hm-acceleration-related-card{ flex-wrap: wrap; gap: 12px; }
    }
    @media (prefers-reduced-motion: reduce) {
      .hm-article--acceleration .hm-reveal{ transition: none; opacity: 1; transform: none; }
      .hm-article--acceleration .hm-acceleration-hero-kicker-dot{ animation: none; }
    }
  

/* Migrated legacy inline styles */
.hm-article--acceleration .hm-acceleration-inline-1{justify-content:center;}
.hm-article--acceleration .hm-acceleration-inline-2{text-align:center;}
.hm-article--acceleration .hm-acceleration-inline-3{margin-top:8px;}
.hm-article--acceleration .hm-acceleration-inline-4{display:none;}
.hm-article--acceleration .hm-acceleration-inline-5{margin-bottom:20px;}



/* =========================================================
   LEGACY ARTICLE MODULE: لوله‌های پلیمری (polymer-pipes)
   Scoped to .hm-article--polymer-pipes
   ========================================================= */


    .hm-article--polymer-pipes{
      /* Light theme - white background */
      --bg:          #ffffff;
      --bg-soft:     #f4f6fa;
      --bg-mid:      #edf0f7;
      --blue-dark:   #0d1f3c;
      --blue-main:   #1a3a6b;
      --blue-mid:    #1e4d8c;
      --blue-light:  #2e6cc7;
      --blue-accent: #3b82f6;
      --blue-pale:   #dbeafe;
      --black:       #0a0a0a;
      --text:        #1a1a2e;
      --text-mid:    #3d4460;
      --text-soft:   #6b7280;
      --border:      #d1d9e8;
      --border-soft: #e8edf5;
      /* material accent colours */
      --steel:    #5a7fa8;
      --polymer:  #1e4d8c;
      --rubber:   #1a7a4a;
      --carbon:   #6d3fa8;
      --font: inherit;
    }

    .hm-article--polymer-pipes *, .hm-article--polymer-pipes *::before, .hm-article--polymer-pipes *::after{ box-sizing: border-box; margin: 0; padding: 0; }
    .hm-article--polymer-pipes{ scroll-behavior: smooth; }

    .hm-article--polymer-pipes{
      font-family: inherit;
      background: var(--bg);
      color: var(--text);
      direction: rtl;
      line-height: 1.85;
      -webkit-font-smoothing: antialiased;
      user-select: none;
      -webkit-user-select: none;
      -moz-user-select: none;
    }

    /* ── BREADCRUMB ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-nav{
      background: var(--bg-soft);
      border-bottom: 1px solid var(--border-soft);
      padding: 12px 24px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-inner{ max-width: 1100px; margin: 0 auto; }
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-list{ display: flex; align-items: center; gap: 8px; list-style: none; flex-wrap: wrap; }
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-list li{ display: inline; }
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-list a{ color: var(--text-soft); text-decoration: none; font-size: 12px; transition: color .2s; }
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-list a:hover{ color: var(--blue-light); }
    .hm-article--polymer-pipes .hm-polymer-pipes-breadcrumb-list li:last-child{ font-size: 12px; color: var(--blue-main); font-weight: 600; }
    .hm-article--polymer-pipes .hm-polymer-pipes-bc-sep{ color: var(--text-soft); font-size: 12px; opacity: .5; }

    /* ── HERO ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-hero{
      position: relative;
      background: var(--blue-dark);
      overflow: hidden;
      padding: 80px 24px 70px;
      text-align: center;
    }

    /* geometric grid overlay */
    .hm-article--polymer-pipes .hm-polymer-pipes-hero::before{
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(ellipse 90% 90% at center, black 30%, transparent 100%);
    }
    /* blue glow blob */
    .hm-article--polymer-pipes .hm-polymer-pipes-hero::after{
      content: "";
      position: absolute;
      top: -80px; left: 50%;
      transform: translateX(-50%);
      width: 600px; height: 400px;
      background: radial-gradient(ellipse, rgba(46,108,199,0.35) 0%, transparent 70%);
      pointer-events: none;
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-hero-inner{ position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }

    .hm-article--polymer-pipes .hm-polymer-pipes-hero-icon-wrap{
      width: 100px; height: 100px;
      margin: 0 auto 32px;
      position: relative;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-icon-ring{
      position: absolute; inset: 0;
      border-radius: 50%;
      border: 1.5px solid rgba(59,130,246,0.5);
      animation: hm-polymer-pipes-pulse 3s ease-in-out infinite;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-icon-ring:nth-child(2){ inset: -14px; opacity: .35; animation-delay: .7s; }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-icon-ring:nth-child(3){ inset: -28px; opacity: .15; animation-delay: 1.4s; }
    @keyframes hm-polymer-pipes-pulse {
      0%,100% { transform: scale(1); }
      50% { transform: scale(1.06); }
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-icon-circle{
      position: absolute; inset: 0;
      border-radius: 50%;
      background: linear-gradient(135deg, #1e4d8c, #0d1f3c);
      border: 2px solid rgba(59,130,246,0.6);
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 0 40px rgba(46,108,199,0.4);
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-hero-badge{
      display: inline-block;
      background: rgba(59,130,246,0.15);
      border: 1px solid rgba(59,130,246,0.4);
      color: #93c5fd;
      font-size: 11px; font-weight: 700;
      letter-spacing: .12em;
      padding: 5px 16px; border-radius: 100px;
      margin-bottom: 20px;
      text-transform: uppercase;
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-hero-title{
      font-size: clamp(26px, 5.5vw, 48px);
      font-weight: 900;
      color: #ffffff;
      line-height: 1.35;
      margin-bottom: 18px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-title em{
      font-style: normal;
      background: linear-gradient(90deg, #60a5fa, #93c5fd);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-hero-sub{
      font-size: clamp(14px, 2.2vw, 17px);
      color: rgba(255,255,255,0.55);
      max-width: 580px; margin: 0 auto 44px;
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-hero-stats{
      display: flex; justify-content: center;
      gap: 0; flex-wrap: wrap;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-stat{
      padding: 16px 32px;
      border-left: 1px solid rgba(255,255,255,0.1);
      text-align: center;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-stat:first-child{ border-left: none; }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-stat strong{ display: block; font-size: 26px; font-weight: 800; color: #60a5fa; }
    .hm-article--polymer-pipes .hm-polymer-pipes-hero-stat span{ font-size: 11px; color: rgba(255,255,255,0.45); }

    /* ── SECTIONS WRAPPER ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-page-body{ background: var(--bg); }

    /* ── INTRO ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-intro-section{
      max-width: 820px; margin: 0 auto;
      padding: 64px 24px 48px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-section-eyebrow{
      display: flex; align-items: center; gap: 10px;
      margin-bottom: 16px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-eyebrow-line{ width: 28px; height: 2px; background: var(--blue-accent); border-radius: 2px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-eyebrow-text{ font-size: 11px; font-weight: 700; letter-spacing: .12em; color: var(--blue-accent); text-transform: uppercase; }

    .hm-article--polymer-pipes .hm-section-title{
      font-size: clamp(20px, 3.5vw, 30px);
      font-weight: 800; color: var(--blue-dark);
      margin-bottom: 16px; line-height: 1.4;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-section-body{
      font-size: 15px; color: var(--text-mid);
      line-height: 1.95;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-section-body p + p{ margin-top: 16px; }

    /* ── DIVIDER ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-divider{ max-width: 820px; margin: 0 auto; padding: 0 24px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-divider-line{ height: 1px; background: var(--border-soft); }

    /* ── MATERIALS GRID ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-materials-wrap{
      background: var(--bg-soft);
      padding: 64px 24px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-materials-inner{ max-width: 1100px; margin: 0 auto; }
    .hm-article--polymer-pipes .hm-polymer-pipes-materials-header{ text-align: center; margin-bottom: 48px; }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-grid{
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card{
      background: var(--bg);
      border: 1.5px solid var(--border);
      border-radius: 18px;
      padding: 32px 24px;
      position: relative;
      overflow: hidden;
      transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
      cursor: default;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card:hover{ transform: translateY(-6px); }

    /* top accent stripe */
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card::before{
      content: ""; position: absolute;
      top: 0; left: 0; right: 0; height: 3px;
      border-radius: 18px 18px 0 0;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-steel::before{ background: linear-gradient(90deg, var(--steel), #8ab4d8); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-polymer::before{ background: linear-gradient(90deg, var(--polymer), var(--blue-accent)); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-rubber::before{ background: linear-gradient(90deg, var(--rubber), #34d399); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-carbon::before{ background: linear-gradient(90deg, var(--carbon), #a78bfa); }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-steel:hover{ border-color: var(--steel);   box-shadow: 0 12px 40px rgba(90,127,168,.12); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-polymer:hover{ border-color: var(--polymer); box-shadow: 0 12px 40px rgba(30,77,140,.15); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-rubber:hover{ border-color: var(--rubber);  box-shadow: 0 12px 40px rgba(26,122,74,.12); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-carbon:hover{ border-color: var(--carbon);  box-shadow: 0 12px 40px rgba(109,63,168,.12); }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-num{
      position: absolute; top: 20px; left: 20px;
      font-size: 56px; font-weight: 900;
      opacity: .04; line-height: 1; color: var(--text);
    }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-icon{
      width: 48px; height: 48px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 18px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-steel   .hm-polymer-pipes-mat-icon{ background: rgba(90,127,168,.1); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-polymer .hm-polymer-pipes-mat-icon{ background: rgba(30,77,140,.1); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-rubber  .hm-polymer-pipes-mat-icon{ background: rgba(26,122,74,.1); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-carbon  .hm-polymer-pipes-mat-icon{ background: rgba(109,63,168,.1); }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-chip{
      display: inline-block;
      font-size: 10px; font-weight: 700;
      padding: 3px 10px; border-radius: 100px;
      margin-bottom: 10px; letter-spacing: .06em;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-steel   .hm-polymer-pipes-mat-chip{ background: rgba(90,127,168,.12);  color: var(--steel); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-polymer .hm-polymer-pipes-mat-chip{ background: rgba(30,77,140,.12);   color: var(--polymer); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-rubber  .hm-polymer-pipes-mat-chip{ background: rgba(26,122,74,.12);   color: var(--rubber); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-carbon  .hm-polymer-pipes-mat-chip{ background: rgba(109,63,168,.12);  color: var(--carbon); }

    .hm-article--polymer-pipes .hm-polymer-pipes-mat-name{
      font-size: 18px; font-weight: 800;
      color: var(--blue-dark); margin-bottom: 4px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-en{ font-size: 11px; color: var(--text-soft); margin-bottom: 14px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-desc{ font-size: 13.5px; color: var(--text-mid); line-height: 1.85; }

    /* spec bars */
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-specs{ margin-top: 20px; display: flex; flex-direction: column; gap: 9px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-spec-row{ display: flex; align-items: center; gap: 10px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-spec-lbl{ font-size: 11px; color: var(--text-soft); min-width: 76px; white-space: nowrap; }
    .hm-article--polymer-pipes .hm-polymer-pipes-spec-track{ flex: 1; height: 4px; background: var(--border-soft); border-radius: 100px; overflow: hidden; }
    .hm-article--polymer-pipes .hm-polymer-pipes-spec-fill{ height: 100%; border-radius: 100px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-steel   .hm-polymer-pipes-spec-fill{ background: var(--steel); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-polymer .hm-polymer-pipes-spec-fill{ background: var(--polymer); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-rubber  .hm-polymer-pipes-spec-fill{ background: var(--rubber); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-carbon  .hm-polymer-pipes-spec-fill{ background: var(--carbon); }
    .hm-article--polymer-pipes .hm-polymer-pipes-spec-val{ font-size: 10px; font-weight: 700; white-space: nowrap; }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-steel   .hm-polymer-pipes-spec-val{ color: var(--steel); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-polymer .hm-polymer-pipes-spec-val{ color: var(--polymer); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-rubber  .hm-polymer-pipes-spec-val{ color: var(--rubber); }
    .hm-article--polymer-pipes .hm-polymer-pipes-mat-card.hm-polymer-pipes-carbon  .hm-polymer-pipes-spec-val{ color: var(--carbon); }

    .hm-article--polymer-pipes .hm-polymer-pipes-homoro-pick{
      display: inline-flex; align-items: center; gap: 6px;
      background: rgba(30,77,140,.07);
      border: 1px solid rgba(30,77,140,.25);
      border-radius: 8px; padding: 7px 12px;
      font-size: 12px; color: var(--blue-main);
      font-weight: 600; margin-top: 16px;
    }

    /* ── COMPARISON TABLE ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-compare-wrap{
      max-width: 1000px; margin: 0 auto;
      padding: 64px 24px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-table-box{
      overflow-x: auto;
      border-radius: 14px;
      border: 1.5px solid var(--border);
      box-shadow: 0 4px 24px rgba(13,31,60,.06);
    }
    .hm-article--polymer-pipes table{ width: 100%; border-collapse: collapse; min-width: 560px; }
    .hm-article--polymer-pipes thead tr{ background: var(--blue-dark); }
    .hm-article--polymer-pipes th{ padding: 14px 18px; font-size: 12px; font-weight: 700; color: rgba(255,255,255,.85); text-align: right; border-bottom: none; }
    .hm-article--polymer-pipes td{ padding: 13px 18px; font-size: 13px; color: var(--text-mid); border-bottom: 1px solid var(--border-soft); text-align: right; }
    .hm-article--polymer-pipes tbody tr:last-child td{ border-bottom: none; }
    .hm-article--polymer-pipes tbody tr:nth-child(even) td{ background: var(--bg-soft); }
    .hm-article--polymer-pipes tbody tr:hover td{ background: var(--blue-pale); transition: background .2s; }
    .hm-article--polymer-pipes td:first-child{ font-weight: 600; color: var(--text); }
    .hm-article--polymer-pipes .hm-polymer-pipes-good{ color: #15803d; font-weight: 700; }
    .hm-article--polymer-pipes .hm-polymer-pipes-bad{ color: #dc2626; font-weight: 700; }
    .hm-article--polymer-pipes .hm-polymer-pipes-mid{ color: #b45309; font-weight: 700; }

    /* ── CONCLUSION ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-wrap{
      background: var(--bg-soft);
      padding: 64px 24px;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-inner{ max-width: 820px; margin: 0 auto; }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-card{
      background: var(--blue-dark);
      border-radius: 20px;
      padding: 48px 40px;
      position: relative;
      overflow: hidden;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-card::before{
      content: "";
      position: absolute; top: -60px; right: -60px;
      width: 220px; height: 220px;
      background: radial-gradient(circle, rgba(46,108,199,.25), transparent 70%);
      border-radius: 50%;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-title{
      font-size: clamp(20px, 3vw, 26px);
      font-weight: 800; color: #fff;
      margin-bottom: 16px; line-height: 1.4;
      position: relative;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-title em{ font-style: normal; color: #60a5fa; }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-body{
      font-size: 15px; color: rgba(255,255,255,.6);
      line-height: 2; position: relative;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-body p + p{ margin-top: 14px; }

    /* ── FAQ ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-faq-wrap{ max-width: 820px; margin: 0 auto; padding: 64px 24px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-faq-list{ margin-top: 32px; display: flex; flex-direction: column; gap: 10px; }
    .hm-article--polymer-pipes .hm-faq-item{
      border: 1.5px solid var(--border);
      border-radius: 12px; overflow: hidden;
      background: var(--bg);
      transition: border-color .25s, box-shadow .25s;
    }
    .hm-article--polymer-pipes .hm-faq-item.hm-is-open{ border-color: var(--blue-main); box-shadow: 0 4px 20px rgba(30,77,140,.1); }
    .hm-article--polymer-pipes .hm-faq-question{
      width: 100%; display: flex; align-items: center;
      justify-content: space-between; gap: 14px;
      padding: 18px 22px;
      background: none; border: none;
      color: var(--text); font-family: inherit;
      font-size: 14px; font-weight: 700;
      text-align: right; cursor: pointer;
      transition: color .2s;
    }
    .hm-article--polymer-pipes .hm-faq-question:hover, .hm-article--polymer-pipes .hm-faq-item.hm-is-open .hm-faq-question{ color: var(--blue-main); }
    .hm-article--polymer-pipes .hm-faq-icon{ flex-shrink: 0; color: var(--text-soft); transition: transform .3s ease; }
    .hm-article--polymer-pipes .hm-faq-item.hm-is-open .hm-faq-icon{ transform: rotate(180deg); color: var(--blue-main); }
    .hm-article--polymer-pipes .hm-faq-answer{
      display: none;
      padding: 0 22px 18px;
      font-size: 14px; color: var(--text-mid); line-height: 1.9;
    }
    .hm-article--polymer-pipes .hm-faq-item.hm-is-open .hm-faq-answer{ display: block; }

    /* ── CTA ── */
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-wrap{ background: var(--blue-dark); padding: 72px 24px; text-align: center; }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-title{
      font-size: clamp(22px, 4vw, 34px);
      font-weight: 900; color: #fff;
      margin-bottom: 12px; line-height: 1.3;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-sub-text{ font-size: 15px; color: rgba(255,255,255,.5); margin-bottom: 36px; }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn{
      display: inline-flex; align-items: center; gap: 12px;
      background: linear-gradient(135deg, #2e6cc7, #1a3a6b);
      color: #fff; font-family: inherit;
      font-size: 17px; font-weight: 800;
      padding: 18px 44px; border-radius: 100px;
      text-decoration: none; border: 2px solid rgba(96,165,250,.4);
      cursor: pointer; position: relative; overflow: hidden;
      transition: transform .3s ease, box-shadow .3s ease;
      box-shadow: 0 8px 32px rgba(46,108,199,.4);
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn::before{
      content: "";
      position: absolute; top: 0; right: -100%;
      width: 60%; height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
      transition: right .6s ease;
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn:hover::before{ right: 140%; }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn:hover{
      transform: translateY(-3px);
      box-shadow: 0 16px 48px rgba(46,108,199,.55);
    }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn svg{ transition: transform .3s; flex-shrink: 0; }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn:hover svg{ transform: translateX(-4px); }
    .hm-article--polymer-pipes .hm-polymer-pipes-cta-note{ margin-top: 14px; font-size: 12px; color: rgba(255,255,255,.3); }

    /* ── FOOTER ── */
    .hm-article--polymer-pipes footer{
      background: #060d1a;
      border-top: 1px solid rgba(255,255,255,.06);
      padding: 28px 24px; text-align: center;
      font-size: 12px; color: rgba(255,255,255,.3);
    }
    .hm-article--polymer-pipes footer a{ color: inherit; text-decoration: none; }
    .hm-article--polymer-pipes footer a:hover{ color: #60a5fa; }

    /* ── REVEAL ── */
    .hm-article--polymer-pipes .hm-reveal{ opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
    .hm-article--polymer-pipes .hm-reveal.hm-is-visible{ opacity: 1; transform: translateY(0); }

    /* ── RESPONSIVE ── */
    @media (max-width: 640px) {
      .hm-article--polymer-pipes .hm-polymer-pipes-hero{ padding: 60px 16px 52px; }
      .hm-article--polymer-pipes .hm-polymer-pipes-hero-stat{ padding: 12px 18px; }
      .hm-article--polymer-pipes .hm-polymer-pipes-mat-card{ padding: 24px 18px; }
      .hm-article--polymer-pipes .hm-polymer-pipes-conclusion-card{ padding: 32px 22px; }
      .hm-article--polymer-pipes .hm-polymer-pipes-cta-btn{ font-size: 15px; padding: 16px 30px; }
      .hm-article--polymer-pipes th, .hm-article--polymer-pipes td{ padding: 11px 12px; font-size: 12px; }
    }
    @media (prefers-reduced-motion: reduce) {
      .hm-article--polymer-pipes .hm-reveal{ transition: none; opacity: 1; transform: none; }
      .hm-article--polymer-pipes .hm-polymer-pipes-hero-icon-ring{ animation: none; }
    }
  

/* Migrated legacy inline styles */
.hm-article--polymer-pipes .hm-polymer-pipes-inline-1{justify-content:center;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-2{text-align:center;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-3{width:88%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-4{width:80%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-5{width:50%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-6{width:65%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-7{width:20%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-8{width:14%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-9{width:22%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-10{width:95%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-11{width:92%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-12{width:68%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-13{width:82%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-14{width:86%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-15{width:97%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-16{width:9%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-17{width:11%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-18{width:94%;}
.hm-article--polymer-pipes .hm-polymer-pipes-inline-19{display:none;}



/* =========================================================
   LEGACY ARTICLE MODULE: طراحی ایرباکس (airbox)
   Scoped to .hm-article--airbox
   ========================================================= */


.hm-article--airbox{
  --bg:#ffffff;
  --bg-soft:#f4f7fc;
  --bg-mid:#eaeff8;
  --navy:#0c1e3d;
  --blue-d:#1a3a6b;
  --blue-m:#1e4d8c;
  --blue-l:#2e6cc7;
  --blue-viv:#3b82f6;
  --blue-pale:#dbeafe;
  --text:#111827;
  --text-m:#374151;
  --text-s:#6b7280;
  --border:#d1ddef;
  --border-s:#e8eef8;
  --font: inherit;
}
.hm-article--airbox *, .hm-article--airbox *::before, .hm-article--airbox *::after{box-sizing:border-box;margin:0;padding:0;}
.hm-article--airbox{scroll-behavior:smooth;}
.hm-article--airbox{
  font-family: inherit;
  background:var(--bg);
  color:var(--text);
  direction:rtl;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  user-select:none;
  -webkit-user-select:none;
  -moz-user-select:none;
}

/* BREADCRUMB */
.hm-article--airbox .hm-airbox-bc{background:var(--bg-soft);border-bottom:1px solid var(--border-s);padding:11px 24px;}
.hm-article--airbox .hm-airbox-bc-in{max-width:1060px;margin:0 auto;}
.hm-article--airbox .hm-airbox-bc-ol{display:flex;align-items:center;gap:6px;list-style:none;flex-wrap:wrap;}
.hm-article--airbox .hm-airbox-bc-ol li{display:inline;font-size:12px;}
.hm-article--airbox .hm-airbox-bc-ol a{color:var(--text-s);text-decoration:none;transition:color .2s;}
.hm-article--airbox .hm-airbox-bc-ol a:hover{color:var(--blue-l);}
.hm-article--airbox .hm-airbox-bc-ol li:last-child{color:var(--blue-m);font-weight:700;}
.hm-article--airbox .hm-airbox-bc-sep{color:var(--text-s);opacity:.4;}

/* HERO */
.hm-article--airbox .hm-airbox-hero{
  background:var(--navy);
  position:relative;overflow:hidden;
  padding:72px 24px 60px;
}
.hm-article--airbox .hm-airbox-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 85% 85% at center,black 20%,transparent 100%);
}
.hm-article--airbox .hm-airbox-hero-glow{position:absolute;top:-100px;right:-60px;width:480px;height:360px;background:radial-gradient(ellipse,rgba(46,108,199,.26) 0%,transparent 70%);pointer-events:none;}
.hm-article--airbox .hm-airbox-hero-in{position:relative;z-index:1;max-width:780px;margin:0 auto;text-align:center;}
.hm-article--airbox .hm-airbox-hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(59,130,246,.14);border:1px solid rgba(59,130,246,.38);
  border-radius:100px;padding:5px 16px;
  font-size:11px;font-weight:700;color:#93c5fd;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:22px;
}
.hm-article--airbox .hm-airbox-badge-dot{width:6px;height:6px;border-radius:50%;background:#60a5fa;animation:hm-airbox-bdot 2s ease-in-out infinite;}
@keyframes hm-airbox-bdot{0%,100%{opacity:1}50%{opacity:.25}}
.hm-article--airbox .hm-airbox-hero-title{
  font-size:clamp(24px,5.5vw,46px);font-weight:900;
  color:#fff;line-height:1.3;margin-bottom:14px;
}
.hm-article--airbox .hm-airbox-hero-title em{font-style:normal;background:linear-gradient(90deg,#60a5fa,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hm-article--airbox .hm-airbox-hero-sub{font-size:clamp(13px,2vw,16px);color:rgba(255,255,255,.48);max-width:560px;margin:0 auto 40px;line-height:1.75;}
.hm-article--airbox .hm-airbox-hero-pills{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;}
.hm-article--airbox .hm-airbox-h-pill{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:100px;padding:8px 20px;
  font-size:12px;font-weight:600;color:rgba(255,255,255,.65);
  display:flex;align-items:center;gap:7px;
}
.hm-article--airbox .hm-airbox-h-pill-dot{width:5px;height:5px;border-radius:50%;background:#60a5fa;}

/* PAGE */
.hm-article--airbox .hm-airbox-page{background:var(--bg);}

/* SECTION BASE */
.hm-article--airbox .hm-airbox-sec{max-width:820px;margin:0 auto;padding:60px 24px 44px;}
.hm-article--airbox .hm-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.hm-article--airbox .hm-airbox-ey-bar{width:26px;height:2.5px;background:var(--blue-viv);border-radius:2px;}
.hm-article--airbox .hm-airbox-ey-txt{font-size:11px;font-weight:700;color:var(--blue-viv);letter-spacing:.12em;text-transform:uppercase;}
.hm-article--airbox .hm-section-title{font-size:clamp(20px,3.5vw,28px);font-weight:800;color:var(--navy);line-height:1.4;margin-bottom:16px;}
.hm-article--airbox .hm-body-text{font-size:15px;color:var(--text-m);line-height:2;}
.hm-article--airbox .hm-body-text p+p{margin-top:14px;}

/* VISUAL SECTION — dark bg for diagrams */
.hm-article--airbox .hm-airbox-vis-band{background:var(--navy);padding:56px 24px;}
.hm-article--airbox .hm-airbox-vis-inner{max-width:960px;margin:0 auto;}
.hm-article--airbox .hm-airbox-vis-title{font-size:clamp(18px,3vw,24px);font-weight:800;color:#fff;text-align:center;margin-bottom:8px;}
.hm-article--airbox .hm-airbox-vis-sub{font-size:14px;color:rgba(255,255,255,.45);text-align:center;margin-bottom:36px;}

/* AIRBOX DIAGRAM SVG */
.hm-article--airbox .hm-airbox-diagram-wrap{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:24px 16px;
  overflow:hidden;
}

/* FEATURES BAND */
.hm-article--airbox .hm-airbox-feat-band{background:var(--bg-soft);padding:60px 24px;}
.hm-article--airbox .hm-airbox-feat-inner{max-width:1040px;margin:0 auto;}
.hm-article--airbox .hm-airbox-feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:32px;}
.hm-article--airbox .hm-airbox-feat-card{
  background:var(--bg);border:1.5px solid var(--border);border-radius:14px;
  padding:24px 20px;position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s,border-color .3s;cursor:default;
}
.hm-article--airbox .hm-airbox-feat-card:hover{transform:translateY(-5px);border-color:var(--blue-m);box-shadow:0 10px 32px rgba(26,64,128,.1);}
.hm-article--airbox .hm-airbox-feat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue-m),var(--blue-viv));border-radius:14px 14px 0 0;}
.hm-article--airbox .hm-airbox-fc-icon{width:44px;height:44px;border-radius:11px;background:var(--blue-pale);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--blue-m);}
.hm-article--airbox .hm-airbox-fc-title{font-size:15px;font-weight:800;color:var(--navy);margin-bottom:8px;}
.hm-article--airbox .hm-airbox-fc-body{font-size:13px;color:var(--text-m);line-height:1.85;}

/* VOLUME VISUAL */
.hm-article--airbox .hm-airbox-vol-band{padding:60px 24px;max-width:820px;margin:0 auto;}
.hm-article--airbox .hm-airbox-vol-compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.hm-article--airbox .hm-airbox-vol-box{border-radius:14px;overflow:hidden;border:1.5px solid var(--border);}
.hm-article--airbox .hm-airbox-vol-box-head{padding:14px 18px;font-size:13px;font-weight:800;}
.hm-article--airbox .hm-airbox-vol-box.hm-airbox-bad .hm-airbox-vol-box-head{background:#fef2f2;color:#dc2626;border-bottom:1px solid #fecaca;}
.hm-article--airbox .hm-airbox-vol-box.hm-airbox-good .hm-airbox-vol-box-head{background:#eff6ff;color:var(--blue-m);border-bottom:1px solid #bfdbfe;}
.hm-article--airbox .hm-airbox-vol-box-body{padding:14px 18px;background:var(--bg);}
.hm-article--airbox .hm-airbox-vol-item{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--text-m);padding:5px 0;}
.hm-article--airbox .hm-airbox-vol-item::before{content:"";flex-shrink:0;margin-top:8px;width:5px;height:5px;border-radius:50%;}
.hm-article--airbox .hm-airbox-vol-box.hm-airbox-bad .hm-airbox-vol-item::before{background:#dc2626;}
.hm-article--airbox .hm-airbox-vol-box.hm-airbox-good .hm-airbox-vol-item::before{background:var(--blue-m);}

/* FLOW DIAGRAM INTERACTIVE */
.hm-article--airbox .hm-airbox-flow-band{background:var(--navy);padding:56px 24px;}
.hm-article--airbox .hm-airbox-flow-inner{max-width:900px;margin:0 auto;}

/* CONCLUSION */
.hm-article--airbox .hm-airbox-conc-band{background:var(--navy);padding:60px 24px;}
.hm-article--airbox .hm-airbox-conc-in{max-width:820px;margin:0 auto;}
.hm-article--airbox .hm-airbox-conc-card{position:relative;overflow:hidden;}
.hm-article--airbox .hm-airbox-conc-card::before{content:"";position:absolute;top:-60px;right:-60px;width:240px;height:240px;background:radial-gradient(circle,rgba(46,108,199,.2),transparent 70%);pointer-events:none;}
.hm-article--airbox .hm-airbox-conc-title{font-size:clamp(20px,3.5vw,28px);font-weight:900;color:#fff;line-height:1.35;margin-bottom:16px;position:relative;}
.hm-article--airbox .hm-airbox-conc-title em{font-style:normal;color:#60a5fa;}
.hm-article--airbox .hm-airbox-conc-body{font-size:15px;color:rgba(255,255,255,.58);line-height:2;position:relative;}
.hm-article--airbox .hm-airbox-conc-body p+p{margin-top:14px;}
.hm-article--airbox .hm-airbox-conc-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;}
.hm-article--airbox .hm-airbox-c-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(59,130,246,.15);border:1px solid rgba(59,130,246,.32);border-radius:100px;padding:6px 14px;font-size:12px;font-weight:600;color:#93c5fd;}

/* FAQ */
.hm-article--airbox .hm-airbox-faq-wrap{max-width:820px;margin:0 auto;padding:60px 24px;}
.hm-article--airbox .hm-airbox-faq-list{margin-top:28px;display:flex;flex-direction:column;gap:10px;}
.hm-article--airbox .hm-faq-item{border:1.5px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg);transition:border-color .25s,box-shadow .25s;}
.hm-article--airbox .hm-faq-item.hm-is-open{border-color:var(--blue-m);box-shadow:0 4px 18px rgba(26,64,128,.1);}
.hm-article--airbox .hm-faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;background:none;border:none;color:var(--text);font-family: inherit;font-size:14px;font-weight:700;text-align:right;cursor:pointer;transition:color .2s;}
.hm-article--airbox .hm-faq-question:hover, .hm-article--airbox .hm-faq-item.hm-is-open .hm-faq-question{color:var(--blue-m);}
.hm-article--airbox .hm-faq-icon{flex-shrink:0;color:var(--text-s);transition:transform .3s;}
.hm-article--airbox .hm-faq-item.hm-is-open .hm-faq-icon{transform:rotate(180deg);color:var(--blue-m);}
.hm-article--airbox .hm-faq-answer{display:none;padding:0 22px 18px;font-size:14px;color:var(--text-m);line-height:1.9;}
.hm-article--airbox .hm-faq-item.hm-is-open .hm-faq-answer{display:block;}

/* CTA */
.hm-article--airbox .hm-airbox-cta-band{background:var(--navy);padding:68px 24px;text-align:center;}
.hm-article--airbox .hm-airbox-cta-title{font-size:clamp(22px,4vw,32px);font-weight:900;color:#fff;margin-bottom:10px;}
.hm-article--airbox .hm-airbox-cta-title em{font-style:normal;color:#60a5fa;}
.hm-article--airbox .hm-airbox-cta-sub{font-size:15px;color:rgba(255,255,255,.42);margin-bottom:34px;}
.hm-article--airbox .hm-airbox-cta-btn{
  display:inline-flex;align-items:center;gap:12px;
  background:linear-gradient(135deg,#2259b0,#1a4080);
  color:#fff;font-family: inherit;font-size:17px;font-weight:800;
  padding:18px 44px;border-radius:100px;text-decoration:none;
  border:2px solid rgba(96,165,250,.34);position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s;
  box-shadow:0 8px 30px rgba(34,89,176,.4);
}
.hm-article--airbox .hm-airbox-cta-btn::before{content:"";position:absolute;top:0;right:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);transition:right .6s;}
.hm-article--airbox .hm-airbox-cta-btn:hover::before{right:140%;}
.hm-article--airbox .hm-airbox-cta-btn:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(34,89,176,.55);}
.hm-article--airbox .hm-airbox-cta-btn svg{transition:transform .3s;flex-shrink:0;}
.hm-article--airbox .hm-airbox-cta-btn:hover svg{transform:translateX(-4px);}
.hm-article--airbox .hm-airbox-cta-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.22);}

.hm-article--airbox footer{background:#060c1b;border-top:1px solid rgba(255,255,255,.05);padding:26px 24px;text-align:center;}
.hm-article--airbox footer p{font-size:12px;color:rgba(255,255,255,.22);}
.hm-article--airbox footer a{color:inherit;text-decoration:none;}
.hm-article--airbox footer a:hover{color:#60a5fa;}

.hm-article--airbox .hm-airbox-sep{border:none;border-top:1px solid var(--border-s);margin:0;}

/* REVEAL */
.hm-article--airbox .hm-reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease;}
.hm-article--airbox .hm-reveal.hm-is-visible{opacity:1;transform:translateY(0);}

/* RESPONSIVE */
@media(max-width:640px){
  .hm-article--airbox .hm-airbox-hero{padding:56px 16px 48px;}
  .hm-article--airbox .hm-airbox-h-pill{font-size:11px;padding:7px 14px;}
  .hm-article--airbox .hm-airbox-feat-card{padding:20px 16px;}
  .hm-article--airbox .hm-airbox-vol-compare{grid-template-columns:1fr;}
  .hm-article--airbox .hm-airbox-cta-btn{font-size:15px;padding:16px 28px;}
  .hm-article--airbox .hm-airbox-sec{padding:44px 16px 32px;}
}
@media(prefers-reduced-motion:reduce){
  .hm-article--airbox .hm-reveal{transition:none;opacity:1;transform:none;}
  .hm-article--airbox .hm-airbox-badge-dot{animation:none;}
}


            .hm-article--airbox .hm-airbox-flow-dash{stroke-dasharray:6 5;animation:hm-airbox-flowAnim 1.8s linear infinite;}
            .hm-article--airbox .hm-airbox-flow-dash2{stroke-dasharray:6 5;animation:hm-airbox-flowAnim 2.2s linear infinite;}
            @keyframes hm-airbox-flowAnim{to{stroke-dashoffset:-22;}}
            @media(prefers-reduced-motion:reduce){.hm-article--airbox .hm-airbox-flow-dash, .hm-article--airbox .hm-airbox-flow-dash2{animation:none;}}
          

            .hm-article--airbox .hm-airbox-turbflow{stroke-dasharray:4 4;animation:hm-airbox-turb 0.9s linear infinite;}
            .hm-article--airbox .hm-airbox-goodflow{stroke-dasharray:6 4;animation:hm-airbox-gflow 1.5s linear infinite;}
            @keyframes hm-airbox-turb{to{stroke-dashoffset:-16;}}
            @keyframes hm-airbox-gflow{to{stroke-dashoffset:-20;}}
            @media(prefers-reduced-motion:reduce){.hm-article--airbox .hm-airbox-turbflow, .hm-article--airbox .hm-airbox-goodflow{animation:none;}}
          

/* Migrated legacy inline styles */
.hm-article--airbox .hm-airbox-inline-1{justify-content:center;}
.hm-article--airbox .hm-airbox-inline-2{text-align:center;}
.hm-article--airbox .hm-airbox-inline-3{text-align:center;margin-bottom:36px;}



/* =========================================================
   LEGACY ARTICLE MODULE: پولیش لوله مکش (polishing)
   Scoped to .hm-article--polishing
   ========================================================= */


.hm-article--polishing{
  --blue:#0057B8;
  --blue-deep:#00306b;
  --navy:#04142b;
  --black:#0a0a0a;
  --gray:#6b7280;
  --gray-light:#f3f5f8;
  --white:#ffffff;
  --radius:22px;
  --shadow:0 20px 60px -20px rgba(4,20,43,.18);
  --ease:cubic-bezier(.16,.84,.44,1);
}
.hm-article--polishing *{box-sizing:border-box;margin:0;padding:0;}
.hm-article--polishing{scroll-behavior:smooth;}
.hm-article--polishing{
  font-family: inherit;
  background:var(--white);
  color:var(--navy);
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
.hm-article--polishing img, .hm-article--polishing svg{max-width:100%;display:block;}
.hm-article--polishing a{color:inherit;text-decoration:none;}
.hm-article--polishing .hm-container{max-width:1180px;margin:0 auto;padding:0 24px;}
.hm-article--polishing ::selection{background:var(--blue);color:#fff;}

/* ---------- Reveal on scroll ---------- */
.hm-article--polishing .hm-reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.hm-article--polishing .hm-reveal.hm-is-visible{opacity:1;transform:translateY(0);}

/* ---------- Nav ---------- */
.hm-article--polishing .hm-polishing-topnav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.7);
  border-bottom:1px solid rgba(4,20,43,.06);
}
.hm-article--polishing .hm-polishing-topnav .hm-container{display:flex;align-items:center;justify-content:space-between;height:72px;}
.hm-article--polishing .hm-polishing-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:.5px;}
.hm-article--polishing .hm-polishing-brand-dot{width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(0,87,184,.15);}
.hm-article--polishing .hm-polishing-navlinks{display:flex;gap:28px;font-size:.9rem;color:var(--gray);}
.hm-article--polishing .hm-polishing-navlinks a:hover{color:var(--blue);}

/* ---------- Hero ---------- */
.hm-article--polishing .hm-polishing-hero{
  position:relative;
  padding:96px 0 64px;
  overflow:hidden;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(0,87,184,.10), transparent 60%),
    radial-gradient(700px 400px at -10% 30%, rgba(0,87,184,.06), transparent 60%);
}
.hm-article--polishing .hm-polishing-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hm-article--polishing .hm-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;color:var(--blue);
  background:rgba(0,87,184,.08);border:1px solid rgba(0,87,184,.18);
  padding:7px 16px;border-radius:99px;margin-bottom:22px;
}
.hm-article--polishing h1{
  font-size:clamp(2.1rem,4.4vw,3.4rem);
  font-weight:900;
  line-height:1.35;
  letter-spacing:-.5px;
  margin-bottom:20px;
}
.hm-article--polishing h1 .hm-polishing-hl{color:var(--blue);}
.hm-article--polishing .hm-subtitle{font-size:1.12rem;color:var(--gray);max-width:52ch;margin-bottom:32px;}
.hm-article--polishing .hm-polishing-hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hm-article--polishing .hm-button{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:14px;font-weight:700;font-size:.95rem;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .35s;
  cursor:pointer;border:none;
}
.hm-article--polishing .hm-polishing-btn-primary{background:var(--blue);color:#fff;box-shadow:0 14px 30px -10px rgba(0,87,184,.55);}
.hm-article--polishing .hm-polishing-btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 40px -12px rgba(0,87,184,.6);}
.hm-article--polishing .hm-polishing-btn-ghost{background:var(--gray-light);color:var(--navy);}
.hm-article--polishing .hm-polishing-btn-ghost:hover{background:#e7ebf1;}

.hm-article--polishing .hm-polishing-hero-visual{position:relative;}
.hm-article--polishing .hm-polishing-hero-stage{
  position:relative;border-radius:28px;background:linear-gradient(160deg,#04142b,#0a2a55);
  box-shadow:var(--shadow);padding:18px;
}
.hm-article--polishing .hm-polishing-hero-caption{
  display:flex;justify-content:space-between;color:rgba(255,255,255,.6);
  font-size:.72rem;padding:10px 6px 0;letter-spacing:.4px;
}

/* particles float */
.hm-article--polishing .hm-polishing-air-particle{animation:hm-polishing-floaty 3.4s ease-in-out infinite;}
@keyframes hm-polishing-floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

/* ---------- Section shell ---------- */
.hm-article--polishing section{padding:88px 0;}
.hm-article--polishing .hm-section-head{max-width:720px;margin:0 auto 48px;text-align:center;}
.hm-article--polishing .hm-section-head .hm-tag{
  display:inline-block;font-size:.78rem;font-weight:800;color:var(--blue);
  letter-spacing:1px;margin-bottom:12px;text-transform:uppercase;
}
.hm-article--polishing .hm-section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:900;letter-spacing:-.4px;margin-bottom:14px;}
.hm-article--polishing .hm-section-head p{color:var(--gray);font-size:1.02rem;}
.hm-article--polishing .hm-polishing-alt{background:var(--gray-light);}

/* ---------- Cards grid ---------- */
.hm-article--polishing .hm-polishing-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.hm-article--polishing .hm-polishing-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hm-article--polishing .hm-card{
  background:#fff;border-radius:var(--radius);padding:30px;
  box-shadow:var(--shadow);border:1px solid rgba(4,20,43,.05);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.hm-article--polishing .hm-card:hover{transform:translateY(-6px);box-shadow:0 28px 60px -18px rgba(4,20,43,.24);}
.hm-article--polishing .hm-card .hm-polishing-icon-badge{
  width:52px;height:52px;border-radius:14px;background:rgba(0,87,184,.08);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.hm-article--polishing .hm-card h3{font-size:1.15rem;font-weight:800;margin-bottom:10px;}
.hm-article--polishing .hm-card p{color:var(--gray);font-size:.94rem;}

/* glass panel */
.hm-article--polishing .hm-polishing-glass{
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.5);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

/* pipe comparison figure */
.hm-article--polishing .hm-figure{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid rgba(4,20,43,.05);}
.hm-article--polishing .hm-figure figcaption{margin-top:14px;font-size:.85rem;color:var(--gray);text-align:center;}
.hm-article--polishing .hm-polishing-figure-title{font-weight:800;font-size:1rem;margin-bottom:14px;text-align:center;}

/* Callouts */
.hm-article--polishing .hm-polishing-callout{border-radius:20px;padding:26px 28px;display:flex;gap:18px;align-items:flex-start;margin:0 0 24px;}
.hm-article--polishing .hm-polishing-callout .hm-polishing-ic{flex:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;}
.hm-article--polishing .hm-polishing-callout h4{font-weight:800;margin-bottom:6px;font-size:1rem;}
.hm-article--polishing .hm-polishing-callout p{font-size:.93rem;color:var(--navy);opacity:.85;}
.hm-article--polishing .hm-polishing-callout-note{background:#eef5ff;border:1px solid #cfe3fb;}
.hm-article--polishing .hm-polishing-callout-note .hm-polishing-ic{background:#0057B8;color:#fff;}
.hm-article--polishing .hm-polishing-callout-tip{background:#eefaf1;border:1px solid #cdeed9;}
.hm-article--polishing .hm-polishing-callout-tip .hm-polishing-ic{background:#0f9d58;color:#fff;}
.hm-article--polishing .hm-polishing-callout-warn{background:#fff6e9;border:1px solid #f6dfb3;}
.hm-article--polishing .hm-polishing-callout-warn .hm-polishing-ic{background:#e08a1e;color:#fff;}
.hm-article--polishing .hm-polishing-callout-fact{background:#f3f0ff;border:1px solid #ded5fb;}
.hm-article--polishing .hm-polishing-callout-fact .hm-polishing-ic{background:#6b3ff2;color:#fff;}

/* timeline */
.hm-article--polishing .hm-polishing-timeline{position:relative;padding-inline-start:0;margin-top:20px;}
.hm-article--polishing .hm-polishing-timeline::before{
  content:"";position:absolute;top:0;bottom:0;right:19px;width:2px;background:linear-gradient(var(--blue),transparent);
}
.hm-article--polishing .hm-polishing-t-item{position:relative;padding-right:56px;margin-bottom:38px;}
.hm-article--polishing .hm-polishing-t-item:last-child{margin-bottom:0;}
.hm-article--polishing .hm-polishing-t-dot{
  position:absolute;right:6px;top:2px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:3px solid var(--blue);display:flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:800;color:var(--blue);
}
.hm-article--polishing .hm-polishing-t-item h4{font-weight:800;margin-bottom:6px;}
.hm-article--polishing .hm-polishing-t-item p{color:var(--gray);font-size:.93rem;}

/* table */
.hm-article--polishing .hm-polishing-table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);}
.hm-article--polishing table{width:100%;border-collapse:collapse;background:#fff;font-size:.92rem;min-width:560px;}
.hm-article--polishing thead th{background:var(--navy);color:#fff;padding:16px 18px;text-align:right;font-weight:700;}
.hm-article--polishing tbody td{padding:15px 18px;border-bottom:1px solid #eef1f5;}
.hm-article--polishing tbody tr:last-child td{border-bottom:none;}
.hm-article--polishing tbody tr:hover{background:var(--gray-light);}
.hm-article--polishing .hm-polishing-pill{display:inline-block;padding:4px 12px;border-radius:99px;font-size:.78rem;font-weight:700;}
.hm-article--polishing .hm-polishing-pill-bad{background:#fde8e8;color:#c53030;}
.hm-article--polishing .hm-polishing-pill-good{background:#e6f7ec;color:#1a7f4b;}

/* bars for infographic */
.hm-article--polishing .hm-polishing-bar-row{margin-bottom:20px;}
.hm-article--polishing .hm-polishing-bar-row .hm-polishing-lbl{display:flex;justify-content:space-between;font-size:.86rem;margin-bottom:8px;font-weight:700;}
.hm-article--polishing .hm-polishing-bar-track{width:100%;height:14px;border-radius:99px;background:#eef1f5;overflow:hidden;}
.hm-article--polishing .hm-polishing-bar-fill{height:100%;border-radius:99px;width:0;transition:width 1.4s var(--ease);}
.hm-article--polishing .hm-polishing-bar-fill.hm-polishing-rough{background:linear-gradient(90deg,#e08a1e,#c1531d);}
.hm-article--polishing .hm-polishing-bar-fill.hm-polishing-polished{background:linear-gradient(90deg,#0057B8,#00a8e8);}

/* FAQ */
.hm-article--polishing .hm-faq-item{border-bottom:1px solid #e9edf3;}
.hm-article--polishing .hm-faq-question{
  width:100%;text-align:right;background:none;border:none;cursor:pointer;
  padding:22px 6px;font-size:1rem;font-weight:800;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.hm-article--polishing .hm-faq-question:hover{color:var(--blue);}
.hm-article--polishing .hm-faq-icon{flex:none;width:26px;height:26px;border-radius:50%;background:var(--gray-light);
  display:flex;align-items:center;justify-content:center;transition:transform .4s var(--ease),background .3s;}
.hm-article--polishing .hm-faq-item.hm-is-open .hm-faq-icon{background:var(--blue);color:#fff;transform:rotate(45deg);}
.hm-article--polishing .hm-faq-answer{max-height:0;overflow:hidden;transition:max-height .5s var(--ease);}
.hm-article--polishing .hm-faq-answer p{padding:0 6px 22px;color:var(--gray);font-size:.94rem;max-width:80ch;}

/* footer */
.hm-article--polishing footer{background:var(--navy);color:rgba(255,255,255,.65);padding:56px 0 30px;}
.hm-article--polishing footer .hm-container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;}
.hm-article--polishing footer strong{color:#fff;}
.hm-article--polishing .hm-polishing-foot-bottom{margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;text-align:center;color:rgba(255,255,255,.4);}

/* responsive */
@media (max-width:920px){
  .hm-article--polishing .hm-polishing-hero-grid{grid-template-columns:1fr;}
  .hm-article--polishing .hm-polishing-grid-2{grid-template-columns:1fr;}
  .hm-article--polishing .hm-polishing-grid-3{grid-template-columns:1fr;}
  .hm-article--polishing .hm-polishing-navlinks{display:none;}
}
@media (prefers-reduced-motion:reduce){
  .hm-article--polishing *{animation:none !important;transition:none !important;}
}

/* ---------- Content protection ---------- */
.hm-article--polishing, .hm-article--polishing{
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
}
.hm-article--polishing img, .hm-article--polishing svg{
  -webkit-user-drag:none;
  user-drag:none;
  pointer-events:none;
}
.hm-article--polishing ::selection{background:transparent;}
.hm-article--polishing ::-moz-selection{background:transparent;}

/* ---------- Shop CTA ---------- */
.hm-article--polishing .hm-polishing-shop-cta{
  padding:80px 0;
  background:linear-gradient(150deg,#04142b,#0a2a55);
  color:#fff;
  text-align:center;
}
.hm-article--polishing .hm-polishing-shop-cta h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:900;margin-bottom:14px;}
.hm-article--polishing .hm-polishing-shop-cta p{color:rgba(255,255,255,.7);max-width:52ch;margin:0 auto 32px;font-size:1rem;}
.hm-article--polishing .hm-polishing-shop-cta .hm-polishing-btn-shop{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--blue);color:#fff;padding:16px 34px;border-radius:14px;
  font-weight:800;font-size:1rem;box-shadow:0 16px 34px -10px rgba(0,87,184,.55);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.hm-article--polishing .hm-polishing-shop-cta .hm-polishing-btn-shop:hover{transform:translateY(-4px);box-shadow:0 22px 44px -12px rgba(0,87,184,.65);}


/* Migrated legacy inline styles */
.hm-article--polishing .hm-polishing-inline-1{animation-delay:.3s;}
.hm-article--polishing .hm-polishing-inline-2{animation-delay:.6s;}
.hm-article--polishing .hm-polishing-inline-3{animation-delay:.9s;}
.hm-article--polishing .hm-polishing-inline-4{animation-delay:.2s;}
.hm-article--polishing .hm-polishing-inline-5{animation-delay:.5s;}
.hm-article--polishing .hm-polishing-inline-6{animation-delay:.8s;}
.hm-article--polishing .hm-polishing-inline-7{transition-delay:.08s;}
.hm-article--polishing .hm-polishing-inline-8{transition-delay:.16s;}
.hm-article--polishing .hm-polishing-inline-9{transition-delay:.1s;}
.hm-article--polishing .hm-polishing-inline-10{max-width:820px;margin:0 auto;}
.hm-article--polishing .hm-polishing-inline-11{align-items:stretch;}
.hm-article--polishing .hm-polishing-inline-12{margin-bottom:20px;}
.hm-article--polishing .hm-polishing-inline-13{margin-top:6px;}
.hm-article--polishing .hm-polishing-inline-14{margin-bottom:0;}
.hm-article--polishing .hm-polishing-inline-15{padding:0;}
.hm-article--polishing .hm-polishing-inline-16{max-width:760px;margin:0 auto;}
.hm-article--polishing .hm-polishing-inline-17{max-width:900px;}
.hm-article--polishing .hm-polishing-inline-18{transition-delay:.06s;}
.hm-article--polishing .hm-polishing-inline-19{transition-delay:.12s;}
.hm-article--polishing .hm-polishing-inline-20{transition-delay:.18s;}
.hm-article--polishing .hm-polishing-inline-21{max-width:820px;}
.hm-article--polishing .hm-polishing-inline-22{padding:36px;}
.hm-article--polishing .hm-polishing-inline-23{margin-bottom:16px;}



/* =========================================================
   LEGACY ARTICLE MODULE: افت توان پس از گرم‌شدن (power-loss)
   Scoped to .hm-article--power-loss
   ========================================================= */


.hm-article--power-loss{
  --bg:#05070A;
  --card:#111827;
  --primary:#0057B8;
  --secondary:#0F172A;
  --accent:#1E88E5;
  --text:#FFFFFF;
  --gray:#BFC7D5;
  --glow: rgba(30,136,229,0.55);
  --hot:#E53935;
  --cold:#1E88E5;
}

.hm-article--power-loss *{margin:0;padding:0;box-sizing:border-box;}

.hm-article--power-loss{scroll-behavior:smooth;}

.hm-article--power-loss{
  background:var(--bg) !important;
  color:var(--text) !important;
  font-family: inherit;
  direction:rtl;
  overflow-x:hidden;
  line-height:1.9;
  -webkit-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
}

.hm-article--power-loss img, .hm-article--power-loss svg{ -webkit-user-drag:none; user-drag:none; pointer-events:none; }
.hm-article--power-loss svg.hm-power-loss-interactive{ pointer-events:auto; }

.hm-article--power-loss a{color:var(--accent) !important; text-decoration:none;}

.hm-article--power-loss .hm-container{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ===== Scroll progress ===== */
.hm-article--power-loss #scrollProgress{
  position:fixed;
  top:0; right:0; left:0;
  height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent)) !important;
  width:0%;
  z-index:9999;
  box-shadow:0 0 12px var(--glow) !important;
  transition:width .1s linear;
}

/* ===== Nav ===== */
.hm-article--power-loss nav.hm-power-loss-topnav{
  position:sticky;
  top:0;
  z-index:900;
  backdrop-filter:blur(14px);
  background:rgba(5,7,10,0.75) !important;
  border-bottom:1px solid rgba(255,255,255,0.06) !important;
}
.hm-article--power-loss nav.hm-power-loss-topnav .hm-power-loss-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  max-width:1180px;
  margin:0 auto;
}
.hm-article--power-loss .hm-power-loss-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:1.15rem;
  letter-spacing:.5px;
}
.hm-article--power-loss .hm-power-loss-brand .hm-power-loss-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent) !important;
  box-shadow:0 0 10px 3px var(--glow) !important;
}
.hm-article--power-loss .hm-power-loss-navlinks{
  display:flex;
  gap:22px;
  font-size:.85rem;
  color:var(--gray) !important;
}
.hm-article--power-loss .hm-power-loss-navlinks a{color:var(--gray) !important; transition:color .25s;}
.hm-article--power-loss .hm-power-loss-navlinks a:hover{color:var(--accent) !important;}
.hm-article--power-loss .hm-power-loss-navToggle{display:none; background:none !important;border:none !important;color:var(--text) !important;font-size:1.4rem;cursor:pointer;}

@media (max-width:860px){
  .hm-article--power-loss .hm-power-loss-navlinks{
    position:fixed;
    inset:60px 0 0 0;
    background:rgba(5,7,10,0.97) !important;
    flex-direction:column;
    padding:30px 24px;
    transform:translateY(-140%);
    transition:transform .35s ease;
    height:auto;
  }
  .hm-article--power-loss .hm-power-loss-navlinks.hm-is-open{transform:translateY(0);}
  .hm-article--power-loss .hm-power-loss-navToggle{display:block;}
}

/* ===== Sections base ===== */
.hm-article--power-loss section{
  position:relative;
  padding:110px 0;
}
.hm-article--power-loss .hm-eyebrow{
  display:inline-block;
  color:var(--accent) !important;
  font-size:.8rem;
  letter-spacing:2px;
  border:1px solid rgba(30,136,229,0.35) !important;
  padding:6px 14px;
  border-radius:30px;
  background:rgba(30,136,229,0.06) !important;
  margin-bottom:18px;
}
.hm-article--power-loss h2.hm-section-title{
  font-size:clamp(1.6rem,3.2vw,2.6rem);
  font-weight:800;
  margin-bottom:16px;
  background:linear-gradient(90deg,#fff,var(--gray)) !important;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent !important;
}
.hm-article--power-loss .hm-section-desc{
  color:var(--gray) !important;
  max-width:720px;
  font-size:1rem;
  margin-bottom:50px;
}

.hm-article--power-loss .hm-reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s ease, transform .8s ease;
}
.hm-article--power-loss .hm-reveal.hm-is-visible{opacity:1; transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  .hm-article--power-loss *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  .hm-article--power-loss{scroll-behavior:auto;}
}

/* ===== Glass Card ===== */
.hm-article--power-loss .hm-card{
  background:linear-gradient(160deg, rgba(17,24,39,0.9), rgba(15,23,42,0.7)) !important;
  border:1px solid rgba(255,255,255,0.06) !important;
  border-radius:20px;
  padding:28px;
  box-shadow:0 10px 30px rgba(0,0,0,0.35) !important;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.hm-article--power-loss .hm-card:hover{
  transform:translateY(-6px);
  border-color:rgba(30,136,229,0.45) !important;
  box-shadow:0 18px 40px rgba(0,0,0,0.5), 0 0 30px -8px var(--glow) !important;
}

/* ===== Hero ===== */
.hm-article--power-loss .hm-power-loss-hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
  padding-top:70px;
}
.hm-article--power-loss .hm-power-loss-hero-bg-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(30,136,229,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,136,229,0.06) 1px, transparent 1px) !important;
  background-size:42px 42px;
  mask-image:radial-gradient(ellipse at 60% 40%, black 10%, transparent 75%);
  animation:hm-power-loss-gridPulse 8s ease-in-out infinite;
}
@keyframes hm-power-loss-gridPulse{
  0%,100%{opacity:.5;}
  50%{opacity:1;}
}
.hm-article--power-loss .hm-power-loss-hero-glow{
  position:absolute;
  width:640px;height:640px;
  background:radial-gradient(circle, var(--glow), transparent 65%) !important;
  border-radius:50%;
  top:-160px; left:-120px;
  filter:blur(10px);
  animation:hm-power-loss-floatGlow 10s ease-in-out infinite;
}
@keyframes hm-power-loss-floatGlow{
  0%,100%{transform:translate(0,0);}
  50%{transform:translate(40px,60px);}
}
.hm-article--power-loss .hm-power-loss-hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:50px;
  align-items:center;
  position:relative;
  z-index:2;
}
@media (max-width:960px){
  .hm-article--power-loss .hm-power-loss-hero-inner{grid-template-columns:1fr; text-align:center;}
}
.hm-article--power-loss .hm-power-loss-hero h1{
  font-size:clamp(1.9rem,4.4vw,3.4rem);
  font-weight:900;
  line-height:1.35;
  margin-bottom:22px;
}
.hm-article--power-loss .hm-power-loss-hero h1 span{color:var(--accent) !important;}
.hm-article--power-loss .hm-power-loss-hero p.hm-lead{
  color:var(--gray) !important;
  font-size:1.05rem;
  max-width:560px;
  margin-bottom:32px;
}
@media (max-width:960px){ .hm-article--power-loss .hm-power-loss-hero p.hm-lead{margin-inline:auto;} }
.hm-article--power-loss .hm-power-loss-badges{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px;}
@media (max-width:960px){ .hm-article--power-loss .hm-power-loss-badges{justify-content:center;} }
.hm-article--power-loss .hm-power-loss-badge{
  font-size:.78rem;
  color:var(--gray) !important;
  border:1px solid rgba(255,255,255,0.08) !important;
  padding:8px 14px;
  border-radius:30px;
  background:rgba(255,255,255,0.02) !important;
}
.hm-article--power-loss .hm-button{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(120deg,var(--primary),var(--accent)) !important;
  color:#fff !important;
  font-weight:700;
  padding:14px 26px;
  border-radius:14px;
  border:none !important;
  cursor:pointer;
  box-shadow:0 10px 26px -6px var(--glow) !important;
  transition:transform .3s ease, box-shadow .3s ease;
  font-family: inherit;
  font-size:.95rem;
}
.hm-article--power-loss .hm-button:hover{transform:translateY(-3px); box-shadow:0 16px 34px -6px var(--glow) !important;}

.hm-article--power-loss .hm-power-loss-hero-svg-wrap{position:relative;}

/* ===== Molecules floating ===== */
.hm-article--power-loss .hm-power-loss-molecule{ animation:hm-power-loss-floaty 4.5s ease-in-out infinite; }
@keyframes hm-power-loss-floaty{
  0%,100%{transform:translateY(0px);}
  50%{transform:translateY(-14px);}
}

/* ===== Timeline ===== */
.hm-article--power-loss .hm-power-loss-timeline{
  display:flex;
  justify-content:space-between;
  position:relative;
  margin-top:20px;
  flex-wrap:wrap;
  gap:30px;
}
.hm-article--power-loss .hm-power-loss-timeline::before{
  content:"";
  position:absolute;
  top:34px; right:0; left:0;
  height:3px;
  background:linear-gradient(90deg, var(--cold), var(--hot)) !important;
  z-index:0;
  border-radius:4px;
}
.hm-article--power-loss .hm-power-loss-tl-step{
  position:relative;
  z-index:1;
  flex:1;
  min-width:150px;
  text-align:center;
}
.hm-article--power-loss .hm-power-loss-tl-dot{
  width:68px;height:68px;
  border-radius:50%;
  margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:1.4rem;
  border:3px solid var(--secondary) !important;
  background:var(--card) !important;
  box-shadow:0 0 0 4px rgba(5,7,10,1) !important;
}
.hm-article--power-loss .hm-power-loss-tl-step h4{font-size:.95rem;margin-bottom:6px;}
.hm-article--power-loss .hm-power-loss-tl-step p{color:var(--gray) !important; font-size:.82rem;}

/* ===== four stroke ===== */
.hm-article--power-loss .hm-power-loss-stroke-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
@media (max-width:900px){ .hm-article--power-loss .hm-power-loss-stroke-grid{grid-template-columns:repeat(2,1fr);} }
.hm-article--power-loss .hm-power-loss-stroke-card{text-align:center;}
.hm-article--power-loss .hm-power-loss-stroke-card h4{margin:14px 0 8px; font-size:1rem;}
.hm-article--power-loss .hm-power-loss-stroke-card p{color:var(--gray) !important; font-size:.82rem;}
.hm-article--power-loss .hm-power-loss-arrow-flow{
  stroke-dasharray:8 6;
  animation:hm-power-loss-dashMove 1.4s linear infinite;
}
@keyframes hm-power-loss-dashMove{ to{ stroke-dashoffset:-28; } }

/* ===== Two col compare ===== */
.hm-article--power-loss .hm-power-loss-compare-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}
@media (max-width:800px){ .hm-article--power-loss .hm-power-loss-compare-grid{grid-template-columns:1fr;} }
.hm-article--power-loss .hm-compare-card h3{
  display:flex; align-items:center; gap:10px;
  font-size:1.15rem; margin-bottom:14px;
}
.hm-article--power-loss .hm-compare-card.hm-power-loss-cold{border-top:3px solid var(--cold) !important;}
.hm-article--power-loss .hm-compare-card.hm-power-loss-hot{border-top:3px solid var(--hot) !important;}
.hm-article--power-loss .hm-power-loss-stat-row{
  display:flex; justify-content:space-between;
  padding:10px 0;
  border-bottom:1px dashed rgba(255,255,255,0.08) !important;
  font-size:.88rem;
  color:var(--gray) !important;
}
.hm-article--power-loss .hm-power-loss-stat-row b{color:var(--text) !important;}

/* ===== reasons grid ===== */
.hm-article--power-loss .hm-power-loss-reasons-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
@media (max-width:960px){ .hm-article--power-loss .hm-power-loss-reasons-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .hm-article--power-loss .hm-power-loss-reasons-grid{grid-template-columns:1fr;} }
.hm-article--power-loss .hm-power-loss-reason-card{text-align:center;}
.hm-article--power-loss .hm-power-loss-reason-card .hm-power-loss-icon-wrap{
  width:64px;height:64px;
  margin:0 auto 16px;
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(30,136,229,0.08) !important;
  border:1px solid rgba(30,136,229,0.25) !important;
}
.hm-article--power-loss .hm-power-loss-reason-card h4{font-size:.95rem; margin-bottom:8px;}
.hm-article--power-loss .hm-power-loss-reason-card p{font-size:.8rem;color:var(--gray) !important;}

/* ===== ECU dashboard ===== */
.hm-article--power-loss .hm-power-loss-ecu-panel{
  background:radial-gradient(circle at 30% 20%, rgba(30,136,229,0.12), transparent 60%), var(--secondary) !important;
  border-radius:24px;
  padding:40px;
  border:1px solid rgba(30,136,229,0.25) !important;
  display:grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  gap:24px;
}
@media (max-width:900px){ .hm-article--power-loss .hm-power-loss-ecu-panel{grid-template-columns:1fr 1fr;} }
.hm-article--power-loss .hm-power-loss-ecu-item{text-align:center;}
.hm-article--power-loss .hm-power-loss-ecu-item .hm-power-loss-value{
  font-size:1.6rem;font-weight:900;color:var(--accent) !important;
  text-shadow:0 0 18px var(--glow) !important;
}
.hm-article--power-loss .hm-power-loss-ecu-item .hm-power-loss-label{font-size:.78rem;color:var(--gray) !important; margin-top:6px;}
.hm-article--power-loss .hm-power-loss-ecu-bar{
  width:100%;height:6px;border-radius:6px;
  background:rgba(255,255,255,0.08) !important;
  margin-top:12px;overflow:hidden;
}
.hm-article--power-loss .hm-power-loss-ecu-bar span{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--primary),var(--accent)) !important;
  animation:hm-power-loss-barGrow 2.4s ease-in-out infinite alternate;
}
@keyframes hm-power-loss-barGrow{ from{width:20%;} to{width:85%;} }

/* ===== notes ===== */
.hm-article--power-loss .hm-power-loss-notes-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
@media (max-width:900px){ .hm-article--power-loss .hm-power-loss-notes-grid{grid-template-columns:1fr;} }
.hm-article--power-loss .hm-power-loss-note-box{
  border-right:3px solid var(--accent) !important;
  background:rgba(30,136,229,0.05) !important;
  padding:20px 22px;
  border-radius:12px;
}
.hm-article--power-loss .hm-power-loss-note-box h4{display:flex;gap:10px;align-items:center;font-size:.95rem;margin-bottom:8px;}
.hm-article--power-loss .hm-power-loss-note-box p{color:var(--gray) !important;font-size:.85rem;}

/* ===== FAQ ===== */
.hm-article--power-loss .hm-faq-item{
  border-bottom:1px solid rgba(255,255,255,0.08) !important;
}
.hm-article--power-loss .hm-faq-question{
  width:100%;
  text-align:right;
  background:none !important;
  border:none !important;
  color:var(--text) !important;
  font-family: inherit;
  font-size:1rem;
  font-weight:700;
  padding:22px 4px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  cursor:pointer;
}
.hm-article--power-loss .hm-faq-question .hm-power-loss-plus{
  transition:transform .35s ease;
  color:var(--accent) !important;
  font-size:1.3rem;
}
.hm-article--power-loss .hm-faq-item.hm-is-open .hm-faq-question .hm-power-loss-plus{transform:rotate(135deg);}
.hm-article--power-loss .hm-faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
  color:var(--gray) !important;
  font-size:.9rem;
  padding:0 4px;
}
.hm-article--power-loss .hm-faq-item.hm-is-open .hm-faq-answer{padding-bottom:20px;}

/* ===== conclusion ===== */
.hm-article--power-loss .hm-power-loss-conclusion-card{
  text-align:center;
  padding:60px 40px;
  background:linear-gradient(160deg, rgba(0,87,184,0.15), rgba(17,24,39,0.9)) !important;
}
.hm-article--power-loss .hm-power-loss-conclusion-card h3{font-size:1.6rem;margin-bottom:18px;}
.hm-article--power-loss .hm-power-loss-conclusion-card p{color:var(--gray) !important; max-width:720px; margin:0 auto;}

/* ===== back to top ===== */
.hm-article--power-loss #backToTop{
  position:fixed;
  bottom:26px; left:26px;
  width:50px;height:50px;
  border-radius:50%;
  background:linear-gradient(120deg,var(--primary),var(--accent)) !important;
  border:none !important;
  color:#fff !important;
  font-size:1.2rem;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -6px var(--glow) !important;
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease, transform .3s ease;
  z-index:800;
}
.hm-article--power-loss #backToTop.hm-is-shown{opacity:1; pointer-events:auto;}
.hm-article--power-loss #backToTop:hover{transform:translateY(-4px);}

.hm-article--power-loss footer{
  padding:50px 0 30px;
  text-align:center;
  color:var(--gray) !important;
  font-size:.8rem;
  border-top:1px solid rgba(255,255,255,0.06) !important;
}

/* ===== warning overlay ===== */
.hm-article--power-loss #warnOverlay{
  position:fixed; inset:0;
  background:rgba(5,7,10,0.97) !important;
  z-index:99999;
  display:none;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:30px;
}
.hm-article--power-loss #warnOverlay.hm-is-shown{display:flex;}
.hm-article--power-loss #warnOverlay h2{color:var(--accent) !important; margin-bottom:14px;}
.hm-article--power-loss #warnOverlay p{color:var(--gray) !important;}

.hm-article--power-loss ::selection{background:transparent !important;}

/* ===== HARD OVERRIDE — protects against Elementor / theme global CSS ===== */
.hm-article--power-loss, .hm-article--power-loss, .hm-article--power-loss .hm-power-loss-elementor, .hm-article--power-loss .hm-power-loss-elementor-widget, .hm-article--power-loss .hm-power-loss-elementor-widget-container, .hm-article--power-loss .hm-power-loss-elementor-section, .hm-article--power-loss .hm-power-loss-elementor-element, .hm-article--power-loss .hm-power-loss-elementor-page{
  background-color:#05070A !important;
  background-image:none !important;
  color:#FFFFFF !important;
}

/* پس‌زمینه هر ظرف عمومی، در صورت نبود رنگ اختصاصی، تیره باشد */
.hm-article--power-loss div, .hm-article--power-loss section, .hm-article--power-loss article, .hm-article--power-loss header, .hm-article--power-loss footer, .hm-article--power-loss nav, .hm-article--power-loss main, .hm-article--power-loss aside, .hm-article--power-loss figure{
  background-color:transparent;
}

/* رنگ تمام نوشته‌های عمومی، طیف روشن (سفید/طوسی روشن) */
.hm-article--power-loss h1, .hm-article--power-loss h2, .hm-article--power-loss h3, .hm-article--power-loss h4, .hm-article--power-loss h5, .hm-article--power-loss h6, .hm-article--power-loss p, .hm-article--power-loss span, .hm-article--power-loss li, .hm-article--power-loss ul, .hm-article--power-loss ol, .hm-article--power-loss a, .hm-article--power-loss strong, .hm-article--power-loss b, .hm-article--power-loss em, .hm-article--power-loss i, .hm-article--power-loss small, .hm-article--power-loss label, .hm-article--power-loss button, .hm-article--power-loss td, .hm-article--power-loss th, .hm-article--power-loss blockquote, .hm-article--power-loss figcaption, .hm-article--power-loss dt, .hm-article--power-loss dd{
  color:#FFFFFF !important;
}


/* Migrated legacy inline styles */
.hm-article--power-loss .hm-power-loss-inline-1{animation-delay:.6s;}
.hm-article--power-loss .hm-power-loss-inline-2{animation-delay:.3s;}
.hm-article--power-loss .hm-power-loss-inline-3{animation-delay:.2s;}
.hm-article--power-loss .hm-power-loss-inline-4{background:#0057B8;}
.hm-article--power-loss .hm-power-loss-inline-5{background:#1565C0;}
.hm-article--power-loss .hm-power-loss-inline-6{background:#EF6C00;}
.hm-article--power-loss .hm-power-loss-inline-7{background:#E53935;}
.hm-article--power-loss .hm-power-loss-inline-8{background:var(--secondary);}
.hm-article--power-loss .hm-power-loss-inline-9{color:var(--gray);font-size:.85rem;}
.hm-article--power-loss .hm-power-loss-inline-10{max-width:640px;margin:0 auto;}
.hm-article--power-loss .hm-power-loss-inline-11{color:var(--gray);font-size:.85rem;text-align:center;}



/* =========================================================
   LEGACY ARTICLE MODULE: ستاپ هوای خنک (cold-air)
   Scoped to .hm-article--cold-air
   ========================================================= */


  .hm-article--cold-air{
    --cas-bg:#ffffff;
    --cas-bg-tint:#F4F8FD;
    --cas-card:#ffffff;
    --cas-primary:#004A99;
    --cas-secondary:#0F172A;
    --cas-accent:#1976D2;
    --cas-text:#222222;
    --cas-muted:#5B6B7E;
    --cas-border:#DCE7F5;
    --cas-glow:rgba(25,118,210,.30);
    --cas-hot:#C4501E;
    --cas-radius:16px;
    --cas-radius-sm:10px;
    --cas-shadow:0 10px 30px -12px rgba(15,23,42,.18);
    --cas-font: inherit;
  }
  .hm-article--cold-air *{box-sizing:border-box;}
  .hm-article--cold-air .hm-cold-air-cas-article{
    font-family: inherit;
    color:var(--cas-text);
    background:var(--cas-bg);
    direction:rtl;
    text-align:right;
    line-height:1.9;
    font-size:17px;
    overflow-x:hidden;
    -webkit-user-select:none;
    user-select:none;
  }
  .hm-article--cold-air .hm-cold-air-cas-article img{-webkit-user-drag:none;user-drag:none;pointer-events:auto;}
  .hm-article--cold-air .hm-cold-air-cas-article p, .hm-article--cold-air .hm-cold-air-cas-article span, .hm-article--cold-air .hm-cold-air-cas-article li{-webkit-user-select:none;user-select:none;}
  .hm-article--cold-air .hm-cold-air-cas-container{max-width:1180px;margin:0 auto;padding:0 24px;}
  .hm-article--cold-air .hm-cold-air-cas-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;color:var(--cas-primary);
    background:var(--cas-bg-tint);border:1px solid var(--cas-border);
    padding:6px 16px;border-radius:999px;letter-spacing:.3px;
    margin-bottom:18px;
  }
  .hm-article--cold-air h1, .hm-article--cold-air h2, .hm-article--cold-air h3{color:var(--cas-secondary);font-weight:800;margin:0 0 16px;}
  .hm-article--cold-air h1{font-size:clamp(28px,4vw,44px);line-height:1.35;}
  .hm-article--cold-air h2{font-size:clamp(24px,3vw,32px);margin-bottom:22px;}
  .hm-article--cold-air h3{font-size:22px;}
  .hm-article--cold-air strong{color:var(--cas-primary);}
  .hm-article--cold-air a{color:var(--cas-primary);}
  .hm-article--cold-air .hm-cold-air-cas-section{padding:70px 0;}
  .hm-article--cold-air .hm-cold-air-cas-section--tint{background:var(--cas-bg-tint);}
  .hm-article--cold-air .hm-cold-air-cas-lead{font-size:19px;color:var(--cas-muted);max-width:760px;}

  /* HERO */
  .hm-article--cold-air .hm-cold-air-cas-hero{
    position:relative;overflow:hidden;
    background:linear-gradient(180deg,#03142B 0%, var(--cas-secondary) 55%, #0B233F 100%);
    color:#fff;padding:90px 0 60px;
  }
  .hm-article--cold-air .hm-cold-air-cas-hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;}
  .hm-article--cold-air .hm-cold-air-cas-hero h1{color:#fff;}
  .hm-article--cold-air .hm-cold-air-cas-hero .hm-cold-air-cas-lead{color:#B9CBE4;}
  .hm-article--cold-air .hm-cold-air-cas-hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hm-article--cold-air .hm-cold-air-cas-badge{
    font-size:13px;font-weight:600;color:#DCE7F5;border:1px solid rgba(255,255,255,.18);
    background:rgba(255,255,255,.05);padding:7px 14px;border-radius:999px;
  }
  .hm-article--cold-air .hm-cold-air-cas-hero-visual{position:relative;}
  .hm-article--cold-air .hm-cold-air-cas-particle{animation:hm-cold-air-casFloat 6s ease-in-out infinite;}
  .hm-article--cold-air .hm-cold-air-cas-particle:nth-child(2n){animation-duration:8s;animation-delay:.6s;}
  .hm-article--cold-air .hm-cold-air-cas-particle:nth-child(3n){animation-duration:5s;animation-delay:1.2s;}
  @keyframes hm-cold-air-casFloat{
    0%,100%{transform:translateY(0) translateX(0);opacity:.55;}
    50%{transform:translateY(-14px) translateX(6px);opacity:1;}
  }
  .hm-article--cold-air .hm-cold-air-cas-flowline{stroke-dasharray:10 8;animation:hm-cold-air-casFlow 2.4s linear infinite;}
  @keyframes hm-cold-air-casFlow{to{stroke-dashoffset:-36;}}

  /* BREADCRUMB */
  .hm-article--cold-air .hm-cold-air-cas-breadcrumb{padding:16px 0;font-size:13px;color:var(--cas-muted);border-bottom:1px solid var(--cas-border);}
  .hm-article--cold-air .hm-cold-air-cas-breadcrumb a{color:var(--cas-muted);text-decoration:none;}
  .hm-article--cold-air .hm-cold-air-cas-breadcrumb span{margin:0 6px;color:#B9C6D8;}

  /* INTRO / SCIENCE TEXT */
  .hm-article--cold-air .hm-cold-air-cas-prose p{margin:0 0 18px;max-width:800px;}
  .hm-article--cold-air .hm-cold-air-cas-prose{max-width:800px;}

  /* HOT vs COLD SVG INFOGRAPHIC */
  .hm-article--cold-air .hm-cold-air-cas-compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--cas-border);border-radius:var(--cas-radius);overflow:hidden;box-shadow:var(--cas-shadow);}
  .hm-article--cold-air .hm-cold-air-cas-compare > div{padding:28px;background:#fff;}
  .hm-article--cold-air .hm-cold-air-cas-compare .hm-cold-air-cas-hot-side{background:linear-gradient(180deg,#FFF6EF,#fff);}
  .hm-article--cold-air .hm-cold-air-cas-compare .hm-cold-air-cas-cold-side{background:linear-gradient(180deg,#EEF5FF,#fff);border-right:1px solid var(--cas-border);}
  .hm-article--cold-air .hm-cold-air-cas-compare h3{display:flex;align-items:center;gap:10px;}
  .hm-article--cold-air .hm-cold-air-cas-compare-stat{display:flex;justify-content:space-between;font-size:14px;color:var(--cas-muted);border-top:1px dashed var(--cas-border);padding:10px 0;}
  .hm-article--cold-air .hm-cold-air-cas-compare-stat b{color:var(--cas-secondary);font-size:15px;}
  .hm-article--cold-air .hm-cold-air-cas-mol{animation:hm-cold-air-casDrift 4s ease-in-out infinite;}
  @keyframes hm-cold-air-casDrift{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}

  /* ADVANTAGE CARDS */
  .hm-article--cold-air .hm-cold-air-cas-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .hm-article--cold-air .hm-cold-air-cas-card{
    background:var(--cas-card);border:1px solid var(--cas-border);border-radius:var(--cas-radius);
    padding:26px;transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
    opacity:0;transform:translateY(18px);
  }
  .hm-article--cold-air .hm-cold-air-cas-card.hm-is-visible{opacity:1;transform:translateY(0);}
  .hm-article--cold-air .hm-cold-air-cas-card:hover{transform:translateY(-6px);box-shadow:var(--cas-shadow);border-color:var(--cas-accent);}
  .hm-article--cold-air .hm-cold-air-cas-card-icon{width:52px;height:52px;margin-bottom:16px;color:var(--cas-primary);}
  .hm-article--cold-air .hm-cold-air-cas-card h3{font-size:18px;margin-bottom:8px;}
  .hm-article--cold-air .hm-cold-air-cas-card p{color:var(--cas-muted);font-size:15px;margin:0;}

  /* HOMORO ENGINEERING */
  .hm-article--cold-air .hm-cold-air-cas-homoro-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center;}
  .hm-article--cold-air .hm-cold-air-cas-stat-row{display:flex;gap:28px;margin-top:22px;flex-wrap:wrap;}
  .hm-article--cold-air .hm-cold-air-cas-stat{border-right:3px solid var(--cas-accent);padding-right:14px;}
  .hm-article--cold-air .hm-cold-air-cas-stat b{display:block;font-size:26px;color:var(--cas-primary);}
  .hm-article--cold-air .hm-cold-air-cas-stat span{font-size:13px;color:var(--cas-muted);}

  /* METHODS */
  .hm-article--cold-air .hm-cold-air-cas-methods-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .hm-article--cold-air .hm-cold-air-cas-method{
    background:#fff;border:1px solid var(--cas-border);border-radius:var(--cas-radius);
    padding:22px;position:relative;
  }
  .hm-article--cold-air .hm-cold-air-cas-method.hm-cold-air-cas-method--best{border-color:var(--cas-primary);box-shadow:0 0 0 3px rgba(0,74,153,.08);}
  .hm-article--cold-air .hm-cold-air-cas-method-badge{
    position:absolute;top:-12px;left:16px;background:var(--cas-primary);color:#fff;
    font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;
  }
  .hm-article--cold-air .hm-cold-air-cas-method-num{font-size:12px;color:var(--cas-muted);font-weight:700;}
  .hm-article--cold-air .hm-cold-air-cas-method h3{font-size:17px;margin:8px 0 8px;}
  .hm-article--cold-air .hm-cold-air-cas-method p{font-size:14px;color:var(--cas-muted);margin:0 0 10px;}
  .hm-article--cold-air .hm-cold-air-cas-method a.hm-cold-air-cas-link{font-size:13px;font-weight:700;text-decoration:none;}

  /* PRODUCT SHOWCASE */
  .hm-article--cold-air .hm-cold-air-cas-products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .hm-article--cold-air .hm-cold-air-cas-product{
    display:block;text-decoration:none;color:inherit;
    background:#fff;border:1px solid var(--cas-border);border-radius:var(--cas-radius);
    overflow:hidden;box-shadow:var(--cas-shadow);transition:transform .3s ease;
  }
  .hm-article--cold-air .hm-cold-air-cas-product:hover{transform:translateY(-6px);}
  .hm-article--cold-air .hm-cold-air-cas-product img{width:100%;height:220px;object-fit:cover;display:block;background:var(--cas-bg-tint);}
  .hm-article--cold-air .hm-cold-air-cas-product-body{padding:18px 20px;}
  .hm-article--cold-air .hm-cold-air-cas-product-body h3{font-size:16px;margin-bottom:6px;}
  .hm-article--cold-air .hm-cold-air-cas-product-cta{font-size:13px;font-weight:700;color:var(--cas-primary);}

  /* INSTALLATION EXAMPLE */
  .hm-article--cold-air .hm-cold-air-cas-frame{border:10px solid #fff;box-shadow:0 0 0 1px var(--cas-border), var(--cas-shadow);border-radius:14px;overflow:hidden;max-width:820px;margin:0 auto;}
  .hm-article--cold-air .hm-cold-air-cas-frame img{width:100%;display:block;}
  .hm-article--cold-air .hm-cold-air-cas-caption{text-align:center;color:var(--cas-muted);font-size:14px;margin-top:14px;}

  /* FAQ */
  .hm-article--cold-air .hm-cold-air-cas-faq-item{border-bottom:1px solid var(--cas-border);}
  .hm-article--cold-air .hm-cold-air-cas-faq-q{
    width:100%;text-align:right;background:none;border:none;cursor:pointer;
    display:flex;justify-content:space-between;align-items:center;gap:16px;
    padding:20px 4px;font-family: inherit;font-size:16px;font-weight:700;color:var(--cas-secondary);
  }
  .hm-article--cold-air .hm-cold-air-cas-faq-q svg{flex-shrink:0;transition:transform .3s ease;color:var(--cas-primary);}
  .hm-article--cold-air .hm-cold-air-cas-faq-item.hm-is-open .hm-cold-air-cas-faq-q svg{transform:rotate(45deg);}
  .hm-article--cold-air .hm-cold-air-cas-faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;font-size:15px;color:var(--cas-muted);}
  .hm-article--cold-air .hm-cold-air-cas-faq-a p{padding:0 4px 20px;margin:0;max-width:760px;}

  /* CTA */
  .hm-article--cold-air .hm-cold-air-cas-cta{
    background:radial-gradient(circle at 30% 20%, #0F5FB5, var(--cas-secondary) 65%);
    border-radius:24px;padding:56px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;
  }
  .hm-article--cold-air .hm-cold-air-cas-cta h2{color:#fff;}
  .hm-article--cold-air .hm-cold-air-cas-cta p{color:#C6D8EE;max-width:560px;margin:0 auto 30px;}
  .hm-article--cold-air .hm-cold-air-cas-cta-btn{
    display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--cas-primary);
    font-weight:800;font-size:17px;padding:16px 38px;border-radius:999px;text-decoration:none;
    box-shadow:0 0 0 0 rgba(255,255,255,.5);animation:hm-cold-air-casPulse 2.4s ease-in-out infinite;
  }
  @keyframes hm-cold-air-casPulse{
    0%{box-shadow:0 0 0 0 rgba(255,255,255,.35);}
    70%{box-shadow:0 0 0 16px rgba(255,255,255,0);}
    100%{box-shadow:0 0 0 0 rgba(255,255,255,0);}
  }

  /* FOOTER */
  .hm-article--cold-air .hm-cold-air-cas-footer{background:var(--cas-secondary);color:#8FA3BE;padding:34px 0;text-align:center;font-size:13px;}
  .hm-article--cold-air .hm-cold-air-cas-footer strong{color:#fff;}

  @media (max-width:960px){
    .hm-article--cold-air .hm-cold-air-cas-hero-grid{grid-template-columns:1fr;}
    .hm-article--cold-air .hm-cold-air-cas-compare{grid-template-columns:1fr;}
    .hm-article--cold-air .hm-cold-air-cas-compare .hm-cold-air-cas-cold-side{border-right:none;border-top:1px solid var(--cas-border);}
    .hm-article--cold-air .hm-cold-air-cas-grid-3{grid-template-columns:repeat(2,1fr);}
    .hm-article--cold-air .hm-cold-air-cas-homoro-wrap{grid-template-columns:1fr;}
    .hm-article--cold-air .hm-cold-air-cas-methods-grid{grid-template-columns:repeat(2,1fr);}
    .hm-article--cold-air .hm-cold-air-cas-products-grid{grid-template-columns:1fr;}
  }
  @media (max-width:600px){
    .hm-article--cold-air .hm-cold-air-cas-grid-3{grid-template-columns:1fr;}
    .hm-article--cold-air .hm-cold-air-cas-methods-grid{grid-template-columns:1fr;}
    .hm-article--cold-air .hm-cold-air-cas-section{padding:48px 0;}
  }
  @media (prefers-reduced-motion: reduce){
    .hm-article--cold-air .hm-cold-air-cas-particle, .hm-article--cold-air .hm-cold-air-cas-flowline, .hm-article--cold-air .hm-cold-air-cas-mol, .hm-article--cold-air .hm-cold-air-cas-cta-btn{animation:none !important;}
    .hm-article--cold-air .hm-cold-air-cas-card{transition:none;}
  }


/* Migrated legacy inline styles */
.hm-article--cold-air .hm-cold-air-inline-1{color:var(--cas-secondary);font-weight:700;}
.hm-article--cold-air .hm-cold-air-inline-2{margin-bottom:30px;}
.hm-article--cold-air .hm-cold-air-inline-3{text-align:center;}



/* =========================================================
   LEGACY ARTICLE MODULE: پرسونای مشتری سیستم مکش (customer-persona)
   Scoped to .hm-article--customer-persona
   ========================================================= */


.hm-article--customer-persona{
  --navy:#0B2D5C;
  --navy-deep:#071b3d;
  --navy-mid:#123b78;
  --black:#0a0a0a;
  --white:#ffffff;
  --gray-50:#f6f7f9;
  --gray-100:#eef0f3;
  --gray-200:#e2e5ea;
  --gray-400:#98a2b3;
  --gray-600:#5a6472;
  --gray-800:#2b303a;

  --blue-p:#2f6fe4;
  --green-p:#1caa5f;
  --orange-p:#e8792e;
  --red-p:#d6432c;

  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:10px;

  --font-body: inherit;
  --ease:cubic-bezier(.16,.84,.44,1);
}

.hm-article--customer-persona *{margin:0;padding:0;box-sizing:border-box;}
.hm-article--customer-persona{scroll-behavior:smooth;}

.hm-article--customer-persona{
  font-family: inherit;
  background:var(--white);
  color:var(--black);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  user-select:none;
  -webkit-user-select:none;
  -moz-user-select:none;
}

.hm-article--customer-persona img, .hm-article--customer-persona svg{-webkit-user-drag:none;user-drag:none;pointer-events:none;}
.hm-article--customer-persona ::selection{background:transparent;}

.hm-article--customer-persona a{color:inherit;text-decoration:none;}
.hm-article--customer-persona ul{list-style:none;}

.hm-article--customer-persona .hm-container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
}

/* ---------- Scroll reveal ---------- */
.hm-article--customer-persona .hm-reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease), transform .9s var(--ease);}
.hm-article--customer-persona .hm-reveal.hm-is-visible{opacity:1;transform:translateY(0);}
.hm-article--customer-persona .hm-reveal-scale{opacity:0;transform:scale(.92);transition:opacity .9s var(--ease), transform .9s var(--ease);}
.hm-article--customer-persona .hm-reveal-scale.hm-is-visible{opacity:1;transform:scale(1);}

/* ---------- Sticky Nav ---------- */
.hm-article--customer-persona .hm-customer-persona-nav{
  position:fixed;top:0;right:0;left:0;z-index:1000;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(11,45,92,.08);
  transition:box-shadow .4s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-nav.hm-is-scrolled{box-shadow:0 8px 30px rgba(11,45,92,.08);}
.hm-article--customer-persona .hm-customer-persona-nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
}
.hm-article--customer-persona .hm-customer-persona-brand{display:flex;align-items:center;gap:10px;}
.hm-article--customer-persona .hm-customer-persona-brand-name{font-weight:800;font-size:1.05rem;letter-spacing:.2px;color:var(--navy);}
.hm-article--customer-persona .hm-customer-persona-brand-sub{font-size:.62rem;color:var(--gray-600);letter-spacing:.5px;display:block;margin-top:-2px;}
.hm-article--customer-persona .hm-customer-persona-nav-links{display:flex;gap:28px;font-size:.86rem;font-weight:600;color:var(--gray-800);}
.hm-article--customer-persona .hm-customer-persona-nav-links a{position:relative;padding:6px 0;}
.hm-article--customer-persona .hm-customer-persona-nav-links a::after{
  content:"";position:absolute;bottom:0;right:0;width:0;height:2px;
  background:var(--navy);transition:width .35s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-nav-links a:hover::after{width:100%;}
.hm-article--customer-persona .hm-customer-persona-nav-cta{
  background:var(--navy);color:#fff;padding:9px 20px;border-radius:999px;
  font-size:.82rem;font-weight:700;white-space:nowrap;
  box-shadow:0 8px 20px rgba(11,45,92,.28);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(11,45,92,.35);}
.hm-article--customer-persona .hm-customer-persona-nav-toggle{display:none;}

@media (max-width:820px){
  .hm-article--customer-persona .hm-customer-persona-nav-links{display:none;}
  .hm-article--customer-persona .hm-customer-persona-nav-cta{font-size:.72rem;padding:8px 14px;}
}

/* ---------- Breadcrumb ---------- */
.hm-article--customer-persona .hm-customer-persona-breadcrumb{
  padding:96px 0 6px;
  font-size:.78rem;color:var(--gray-600);
}
.hm-article--customer-persona .hm-customer-persona-breadcrumb a{color:var(--navy);font-weight:600;}
.hm-article--customer-persona .hm-customer-persona-breadcrumb span{margin:0 6px;color:var(--gray-400);}

/* ---------- Hero ---------- */
.hm-article--customer-persona .hm-customer-persona-hero{
  position:relative;
  padding:34px 0 70px;
  overflow:hidden;
}
.hm-article--customer-persona .hm-customer-persona-hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
}
@media (max-width:900px){ .hm-article--customer-persona .hm-customer-persona-hero-grid{grid-template-columns:1fr;} }

.hm-article--customer-persona .hm-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(11,45,92,.06);
  border:1px solid rgba(11,45,92,.14);
  color:var(--navy);
  font-size:.78rem;font-weight:700;
  padding:7px 16px;border-radius:999px;
  margin-bottom:22px;
}
.hm-article--customer-persona .hm-eyebrow .hm-customer-persona-dot{width:6px;height:6px;border-radius:50%;background:var(--navy);animation:hm-customer-persona-pulse-dot 2s infinite;}
@keyframes hm-customer-persona-pulse-dot{0%,100%{opacity:1;}50%{opacity:.25;}}

.hm-article--customer-persona .hm-customer-persona-hero h1{
  font-size:clamp(1.9rem,4.2vw,3.15rem);
  font-weight:800;
  color:var(--black);
  letter-spacing:-.5px;
  line-height:1.42;
  margin-bottom:20px;
}
.hm-article--customer-persona .hm-customer-persona-hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--navy),var(--navy-mid));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hm-article--customer-persona .hm-customer-persona-hero p.hm-customer-persona-sub{
  font-size:clamp(1rem,1.6vw,1.2rem);
  color:var(--gray-600);
  max-width:560px;
  margin-bottom:32px;
}
.hm-article--customer-persona .hm-customer-persona-hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hm-article--customer-persona .hm-customer-persona-btn-primary{
  background:var(--navy);color:#fff;padding:14px 30px;border-radius:999px;
  font-weight:700;font-size:.92rem;
  box-shadow:0 14px 30px rgba(11,45,92,.3);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
  display:inline-flex;align-items:center;gap:8px;
}
.hm-article--customer-persona .hm-customer-persona-btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(11,45,92,.38);}
.hm-article--customer-persona .hm-customer-persona-btn-ghost{
  border:1.5px solid rgba(11,45,92,.22);color:var(--navy);
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.92rem;
  transition:background .3s var(--ease), border-color .3s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-btn-ghost:hover{background:rgba(11,45,92,.06);border-color:var(--navy);}

/* Hero illustration: breathing intake rings */
.hm-article--customer-persona .hm-customer-persona-hero-visual{
  position:relative;display:flex;align-items:center;justify-content:center;
  min-height:400px;
}
.hm-article--customer-persona .hm-customer-persona-breath-ring{
  position:absolute;border-radius:50%;
  border:1.5px solid rgba(11,45,92,.18);
  animation:hm-customer-persona-breathe 4.2s ease-in-out infinite;
}
.hm-article--customer-persona .hm-customer-persona-breath-ring.hm-customer-persona-r1{width:230px;height:230px;animation-delay:0s;}
.hm-article--customer-persona .hm-customer-persona-breath-ring.hm-customer-persona-r2{width:320px;height:320px;animation-delay:.5s;}
.hm-article--customer-persona .hm-customer-persona-breath-ring.hm-customer-persona-r3{width:410px;height:410px;animation-delay:1s;}
@keyframes hm-customer-persona-breathe{
  0%,100%{transform:scale(1);opacity:.55;}
  50%{transform:scale(1.09);opacity:.15;}
}
.hm-article--customer-persona .hm-customer-persona-hero-badge-shadow{
  position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(11,45,92,.10),transparent 70%);
}
.hm-article--customer-persona .hm-customer-persona-hero-photo{
  position:relative;z-index:2;
  width:640px;height:320px;border-radius:50%;object-fit:cover;
  border:5px solid #fff;
  box-shadow:0 24px 60px rgba(11,45,92,.28);
  pointer-events:none;-webkit-user-drag:none;user-drag:none;
}
@media (max-width:520px){ .hm-article--customer-persona .hm-customer-persona-hero-photo{width:220px;height:220px;} }

/* ---------- Intro ---------- */
.hm-article--customer-persona .hm-customer-persona-intro{padding:40px 0 30px;}
.hm-article--customer-persona .hm-customer-persona-intro-lead{
  font-size:clamp(1.05rem,1.7vw,1.3rem);
  color:var(--gray-800);
  max-width:840px;
  border-right:3px solid var(--navy);
  padding-right:22px;
  font-weight:500;
}

/* ---------- Section title block ---------- */
.hm-article--customer-persona .hm-section-head{
  text-align:center;max-width:660px;margin:0 auto 46px;
}
.hm-article--customer-persona .hm-section-head .hm-customer-persona-kicker{
  font-size:.78rem;font-weight:800;letter-spacing:1.5px;color:var(--navy);
  text-transform:uppercase;margin-bottom:10px;display:block;
}
.hm-article--customer-persona .hm-section-head h2{
  font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;color:var(--black);margin-bottom:14px;
}
.hm-article--customer-persona .hm-section-head p{color:var(--gray-600);font-size:1.02rem;}

/* ---------- Persona cards ---------- */
.hm-article--customer-persona .hm-customer-persona-personas{padding:70px 0;}
.hm-article--customer-persona .hm-customer-persona-persona-card{
  position:relative;
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;
  background:rgba(255,255,255,.65);
  border:1px solid rgba(11,45,92,.1);
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:34px;
  backdrop-filter:blur(14px);
  box-shadow:0 10px 40px rgba(11,45,92,.06);
  transition:transform .45s var(--ease), box-shadow .45s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-persona-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(11,45,92,.14);}
.hm-article--customer-persona .hm-customer-persona-persona-card.hm-customer-persona-reverse{direction:ltr;}
.hm-article--customer-persona .hm-customer-persona-persona-card.hm-customer-persona-reverse .hm-customer-persona-persona-body{direction:rtl;}

@media (max-width:820px){
  .hm-article--customer-persona .hm-customer-persona-persona-card{grid-template-columns:1fr;}
  .hm-article--customer-persona .hm-customer-persona-persona-card.hm-customer-persona-reverse{direction:rtl;}
}

.hm-article--customer-persona .hm-customer-persona-persona-visual{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  padding:36px;
  min-height:260px;
}
.hm-article--customer-persona .hm-customer-persona-persona-visual.hm-customer-persona-bg-a{background:linear-gradient(160deg,#eef3fb,#ffffff);}
.hm-article--customer-persona .hm-customer-persona-persona-visual.hm-customer-persona-bg-b{background:linear-gradient(160deg,#eefaf3,#ffffff);}
.hm-article--customer-persona .hm-customer-persona-persona-visual.hm-customer-persona-bg-c{background:linear-gradient(160deg,#fdf1e8,#ffffff);}
.hm-article--customer-persona .hm-customer-persona-persona-visual.hm-customer-persona-bg-d{background:linear-gradient(160deg,#fbebe8,#ffffff);}
.hm-article--customer-persona .hm-customer-persona-persona-photo{
  width:100%;height:230px;object-fit:cover;border-radius:16px;
  box-shadow:0 22px 50px rgba(11,45,92,.18);
  pointer-events:none;-webkit-user-drag:none;user-drag:none;
}

.hm-article--customer-persona .hm-customer-persona-persona-body{padding:38px 40px;}
.hm-article--customer-persona .hm-customer-persona-persona-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:800;letter-spacing:.8px;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.hm-article--customer-persona .hm-customer-persona-tag-a{background:rgba(47,111,228,.1);color:var(--blue-p);}
.hm-article--customer-persona .hm-customer-persona-tag-b{background:rgba(28,170,95,.1);color:var(--green-p);}
.hm-article--customer-persona .hm-customer-persona-tag-c{background:rgba(232,121,46,.1);color:var(--orange-p);}
.hm-article--customer-persona .hm-customer-persona-tag-d{background:rgba(214,67,44,.1);color:var(--red-p);}

.hm-article--customer-persona .hm-customer-persona-persona-body h3{font-size:1.55rem;font-weight:800;margin-bottom:10px;color:var(--black);}
.hm-article--customer-persona .hm-customer-persona-persona-body .hm-customer-persona-persona-lead{color:var(--gray-600);font-size:.98rem;margin-bottom:18px;}

.hm-article--customer-persona .hm-customer-persona-persona-list{display:grid;gap:9px;margin-bottom:20px;}
.hm-article--customer-persona .hm-customer-persona-persona-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:.92rem;color:var(--gray-800);
}
.hm-article--customer-persona .hm-customer-persona-persona-list li svg{flex:none;margin-top:3px;}

.hm-article--customer-persona .hm-customer-persona-persona-explain{
  font-size:.94rem;color:var(--gray-600);
  border-top:1px dashed rgba(11,45,92,.18);
  padding-top:16px;
}
.hm-article--customer-persona .hm-customer-persona-persona-explain strong{color:var(--navy);}

/* ---------- Timeline (persona journey strip) ---------- */
.hm-article--customer-persona .hm-customer-persona-strip{
  display:flex;justify-content:space-between;align-items:center;
  max-width:900px;margin:0 auto 60px;position:relative;padding:0 10px;
}
.hm-article--customer-persona .hm-customer-persona-strip::before{
  content:"";position:absolute;top:20px;right:6%;left:6%;height:2px;
  background:linear-gradient(90deg,var(--blue-p),var(--green-p),var(--orange-p),var(--red-p));
  opacity:.35;
}
.hm-article--customer-persona .hm-customer-persona-strip-item{position:relative;text-align:center;flex:1;}
.hm-article--customer-persona .hm-customer-persona-strip-dot{
  width:14px;height:14px;border-radius:50%;margin:0 auto 10px;
  border:3px solid #fff;box-shadow:0 0 0 2px rgba(11,45,92,.15);
}
.hm-article--customer-persona .hm-customer-persona-strip-item span{font-size:.78rem;font-weight:700;color:var(--gray-600);}
@media (max-width:640px){ .hm-article--customer-persona .hm-customer-persona-strip{flex-wrap:wrap;gap:18px;} .hm-article--customer-persona .hm-customer-persona-strip::before{display:none;} .hm-article--customer-persona .hm-customer-persona-strip-item{flex:0 0 45%;} }

/* ---------- Conclusion ---------- */
.hm-article--customer-persona .hm-customer-persona-conclusion{
  padding:80px 0;
  background:linear-gradient(180deg,var(--navy-deep),var(--navy));
  color:#fff;position:relative;overflow:hidden;
}
.hm-article--customer-persona .hm-customer-persona-conclusion::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 20%, rgba(255,255,255,.08), transparent 55%);
}
.hm-article--customer-persona .hm-customer-persona-conclusion .hm-container{position:relative;z-index:2;}
.hm-article--customer-persona .hm-customer-persona-conclusion-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;}
@media (max-width:900px){.hm-article--customer-persona .hm-customer-persona-conclusion-grid{grid-template-columns:1fr;}}
.hm-article--customer-persona .hm-customer-persona-conclusion h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;margin-bottom:18px;color:#90ff00 !important;}
.hm-article--customer-persona .hm-customer-persona-conclusion p{color:rgba(255,255,255,.78);font-size:1.02rem;margin-bottom:14px;}
.hm-article--customer-persona .hm-customer-persona-conclusion .hm-customer-persona-signature-line{
  font-size:1.1rem;font-weight:700;color:#fff;margin-top:20px;
  border-right:3px solid rgba(255,255,255,.5);padding-right:16px;
}
.hm-article--customer-persona .hm-customer-persona-philosophy-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hm-article--customer-persona .hm-customer-persona-philosophy-chips span{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:8px 16px;border-radius:999px;font-size:.82rem;font-weight:600;
}

.hm-article--customer-persona .hm-customer-persona-conclusion-visual{display:flex;align-items:center;justify-content:center;}

/* ---------- FAQ ---------- */
.hm-article--customer-persona .hm-customer-persona-faq{padding:80px 0;background:var(--gray-50);}
.hm-article--customer-persona .hm-faq-item{
  background:#fff;border:1px solid rgba(11,45,92,.08);
  border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;
  box-shadow:0 6px 20px rgba(11,45,92,.04);
}
.hm-article--customer-persona .hm-faq-question{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;font-weight:700;font-size:.98rem;
}
.hm-article--customer-persona .hm-faq-question .hm-customer-persona-plus{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(11,45,92,.08);display:flex;align-items:center;justify-content:center;
  transition:transform .35s var(--ease);
}
.hm-article--customer-persona .hm-faq-item.hm-is-open .hm-faq-question .hm-customer-persona-plus{transform:rotate(45deg);background:var(--navy);color:#fff;}
.hm-article--customer-persona .hm-faq-answer{
  max-height:0;overflow:hidden;transition:max-height .45s var(--ease), padding .45s var(--ease);
  padding:0 24px;color:var(--gray-600);font-size:.92rem;
}
.hm-article--customer-persona .hm-faq-item.hm-is-open .hm-faq-answer{max-height:260px;padding:0 24px 22px;}

/* ---------- Poll ---------- */
.hm-article--customer-persona .hm-customer-persona-poll{padding:80px 0;}
.hm-article--customer-persona .hm-customer-persona-poll-card{
  max-width:820px;margin:0 auto;
  background:rgba(255,255,255,.7);backdrop-filter:blur(16px);
  border:1px solid rgba(11,45,92,.1);
  border-radius:var(--radius-lg);
  padding:44px 36px;
  box-shadow:0 20px 60px rgba(11,45,92,.08);
}
.hm-article--customer-persona .hm-customer-persona-poll-card h3{font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:30px;}
.hm-article--customer-persona .hm-customer-persona-poll-options{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:10px;
}
@media (max-width:700px){.hm-article--customer-persona .hm-customer-persona-poll-options{grid-template-columns:repeat(2,1fr);}}

.hm-article--customer-persona .hm-customer-persona-poll-btn{
  border:1.5px solid rgba(11,45,92,.14);
  background:#fff;
  border-radius:var(--radius-md);
  padding:20px 12px;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-weight:700;font-size:.88rem;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-poll-btn:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(11,45,92,.12);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-is-selected{border-color:currentColor;box-shadow:0 14px 30px rgba(11,45,92,.16);}
.hm-article--customer-persona .hm-customer-persona-poll-btn .hm-customer-persona-icon-dot{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-blue{color:var(--blue-p);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-blue .hm-customer-persona-icon-dot{background:rgba(47,111,228,.12);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-green{color:var(--green-p);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-green .hm-customer-persona-icon-dot{background:rgba(28,170,95,.12);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-orange{color:var(--orange-p);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-orange .hm-customer-persona-icon-dot{background:rgba(232,121,46,.12);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-red{color:var(--red-p);}
.hm-article--customer-persona .hm-customer-persona-poll-btn.hm-customer-persona-red .hm-customer-persona-icon-dot{background:rgba(214,67,44,.12);}

.hm-article--customer-persona .hm-customer-persona-poll-results{display:none;margin-top:30px;}
.hm-article--customer-persona .hm-customer-persona-poll-results.hm-is-shown{display:block;animation:hm-customer-persona-fadein .5s var(--ease);}
@keyframes hm-customer-persona-fadein{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

.hm-article--customer-persona .hm-customer-persona-result-row{margin-bottom:16px;}
.hm-article--customer-persona .hm-customer-persona-result-row .hm-customer-persona-r-label{
  display:flex;justify-content:space-between;font-size:.86rem;font-weight:700;margin-bottom:6px;
}
.hm-article--customer-persona .hm-customer-persona-result-bar-track{background:var(--gray-100);border-radius:999px;height:12px;overflow:hidden;}
.hm-article--customer-persona .hm-customer-persona-result-bar-fill{height:100%;border-radius:999px;width:0;transition:width 1.1s var(--ease);}
.hm-article--customer-persona .hm-customer-persona-fill-blue{background:var(--blue-p);}
.hm-article--customer-persona .hm-customer-persona-fill-green{background:var(--green-p);}
.hm-article--customer-persona .hm-customer-persona-fill-orange{background:var(--orange-p);}
.hm-article--customer-persona .hm-customer-persona-fill-red{background:var(--red-p);}

.hm-article--customer-persona .hm-customer-persona-poll-note{
  text-align:center;margin-top:24px;color:var(--gray-600);font-size:.9rem;
  border-top:1px dashed rgba(11,45,92,.18);padding-top:18px;
}

/* ---------- Final CTA ---------- */
.hm-article--customer-persona .hm-final-cta{
  padding:90px 0 110px;text-align:center;
  background:radial-gradient(circle at 50% 0%, rgba(11,45,92,.06), transparent 60%);
}
.hm-article--customer-persona .hm-final-cta h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;margin-bottom:16px;}
.hm-article--customer-persona .hm-final-cta p{color:var(--gray-600);max-width:520px;margin:0 auto 34px;}
.hm-article--customer-persona .hm-customer-persona-btn-luxury{
  display:inline-flex;align-items:center;gap:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-deep));
  color:#fff;padding:20px 44px;border-radius:999px;
  font-weight:800;font-size:1.05rem;letter-spacing:.2px;
  box-shadow:0 20px 50px rgba(11,45,92,.35);
  position:relative;overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.hm-article--customer-persona .hm-customer-persona-btn-luxury::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.25) 50%,transparent 70%);
  transform:translateX(-120%);
}
.hm-article--customer-persona .hm-customer-persona-btn-luxury:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 28px 64px rgba(11,45,92,.45);}
.hm-article--customer-persona .hm-customer-persona-btn-luxury:hover::before{animation:hm-customer-persona-shine 1.1s var(--ease);}
@keyframes hm-customer-persona-shine{to{transform:translateX(120%);}}

/* ---------- Footer ---------- */
.hm-article--customer-persona footer{
  background:var(--black);color:rgba(255,255,255,.6);
  padding:36px 0;text-align:center;font-size:.82rem;
}
.hm-article--customer-persona footer strong{color:#fff;}

/* Focus visibility for accessibility */
.hm-article--customer-persona a:focus-visible, .hm-article--customer-persona button:focus-visible{outline:2px solid var(--navy);outline-offset:3px;}

@media (prefers-reduced-motion: reduce){
  .hm-article--customer-persona *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important;}
}


/* Migrated legacy inline styles */
.hm-article--customer-persona .hm-customer-persona-inline-1{border-color:var(--blue-p);}
.hm-article--customer-persona .hm-customer-persona-inline-2{border-color:var(--green-p);}
.hm-article--customer-persona .hm-customer-persona-inline-3{border-color:var(--orange-p);}
.hm-article--customer-persona .hm-customer-persona-inline-4{border-color:var(--red-p);}
.hm-article--customer-persona .hm-customer-persona-inline-5{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:#fff;}
.hm-article--customer-persona .hm-customer-persona-inline-6{background:#fff;}
.hm-article--customer-persona .hm-customer-persona-inline-7{max-width:820px;margin:0 auto;}



/* =========================================================
   LEGACY ARTICLE MODULE: تعادل فیلتراسیون و توان (filtration)
   Scoped to .hm-article--filtration
   ========================================================= */


/* ============================================================
   0. TOKENS
   ============================================================ */
.hm-article--filtration{
  --white:#ffffff;
  --navy:#0a2647;
  --navy-2:#123a63;
  --ink:#12161b;
  --gray-2:#5a6472;
  --gray-3:#8a93a1;
  --bg-soft:#f4f6f8;
  --bg-soft-2:#eef1f4;
  --line:#e3e7ec;
  --blue:#2f7cf6;
  --blue-soft:#e7f0ff;
  --blue-deep:#0d3d7a;

  --font-display: inherit;
  --font-body: inherit;
  --font-mono: inherit;

  --container:1180px;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:20px;
  --shadow-soft:0 8px 30px -12px rgba(10,38,71,.14);
  --shadow-soft-2:0 2px 10px -4px rgba(10,38,71,.10);
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ============================================================
   1. RESET / BASE
   ============================================================ */
.hm-article--filtration *, .hm-article--filtration *::before, .hm-article--filtration *::after{box-sizing:border-box;}
.hm-article--filtration{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  .hm-article--filtration{scroll-behavior:auto;}
  .hm-article--filtration *, .hm-article--filtration *::before, .hm-article--filtration *::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
.hm-article--filtration{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family: inherit;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.hm-article--filtration img{max-width:100%;display:block;}
.hm-article--filtration svg{display:block;max-width:100%;}
.hm-article--filtration a{color:inherit;text-decoration:none;}
.hm-article--filtration ul{margin:0;padding:0;list-style:none;}
.hm-article--filtration h1, .hm-article--filtration h2, .hm-article--filtration h3, .hm-article--filtration h4, .hm-article--filtration p{margin:0;}
.hm-article--filtration :focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px;}
.hm-article--filtration table{border-collapse:collapse;}

.hm-article--filtration .hm-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.hm-article--filtration .hm-eyebrow{
  font-family: inherit;
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue-deep);
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
}
.hm-article--filtration .hm-eyebrow::before{
  content:"";
  width:16px;height:1px;
  background:var(--blue-deep);
  display:inline-block;
}
.hm-article--filtration h2.hm-section-title{
  font-family: inherit;
  font-weight:800;
  color:var(--navy);
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.45;
  letter-spacing:-.01em;
  margin-top:14px;
}
.hm-article--filtration p.hm-lead{
  color:var(--gray-2);
  font-size:clamp(15.5px,1.5vw,17.5px);
  max-width:64ch;
  margin-top:16px;
}
.hm-article--filtration .hm-section{
  padding:88px 0;
  position:relative;
}
.hm-article--filtration .hm-filtration-section--soft{ background:var(--bg-soft); }
.hm-article--filtration .hm-section-head{
  max-width:760px;
  margin-bottom:48px;
}
.hm-article--filtration .hm-section-head.hm-filtration-center{ margin-inline:auto; text-align:center; }

/* reveal-on-scroll */
.hm-article--filtration [data-reveal]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.hm-article--filtration [data-reveal="scale"]{ transform:translateY(0) scale(.94); }
.hm-article--filtration [data-reveal="fade"]{ transform:none; }
.hm-article--filtration [data-reveal].hm-filtration-is-visible{
  opacity:1;
  transform:none;
}

/* ============================================================
   2. READING PROGRESS
   ============================================================ */
.hm-article--filtration .hm-filtration-progress-track{
  position:fixed;
  top:0;left:0;right:0;
  height:3px;
  background:transparent;
  z-index:200;
}
.hm-article--filtration .hm-filtration-progress-bar{
  height:100%;
  width:0%;
  background:linear-gradient(90deg,var(--blue-deep),var(--blue));
  transition:width .08s linear;
}

/* ============================================================
   3. HEADER / NAV
   ============================================================ */
.hm-article--filtration .hm-filtration-site-header{
  position:sticky;
  top:0;
  z-index:150;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.hm-article--filtration .hm-filtration-header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.hm-article--filtration .hm-filtration-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: inherit;
  font-weight:800;
  color:var(--navy);
  flex-shrink:0;
}
.hm-article--filtration .hm-filtration-brand img{height:26px;width:auto;}
.hm-article--filtration .hm-filtration-article-nav{
  display:flex;
  align-items:center;
  gap:2px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.hm-article--filtration .hm-filtration-article-nav::-webkit-scrollbar{display:none;}
.hm-article--filtration .hm-filtration-article-nav a{
  font-size:13.5px;
  color:var(--gray-2);
  white-space:nowrap;
  padding:8px 12px;
  border-radius:20px;
  font-weight:600;
  transition:background .25s var(--ease), color .25s var(--ease);
}
.hm-article--filtration .hm-filtration-article-nav a:hover{ color:var(--navy); background:var(--bg-soft); }
.hm-article--filtration .hm-filtration-article-nav a.hm-is-active{ color:var(--white); background:var(--navy); }

/* ============================================================
   4. HERO
   ============================================================ */
.hm-article--filtration .hm-filtration-hero{
  padding:72px 0 40px;
  position:relative;
}
.hm-article--filtration .hm-filtration-hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.hm-article--filtration .hm-filtration-hero h1{
  font-family: inherit;
  font-weight:800;
  color:var(--navy);
  font-size:clamp(32px,4.6vw,54px);
  line-height:1.28;
  letter-spacing:-.015em;
  margin-top:18px;
}
.hm-article--filtration .hm-filtration-hero .hm-subtitle{
  font-size:clamp(16px,1.7vw,19px);
  color:var(--navy-2);
  font-weight:600;
  margin-top:20px;
  line-height:1.75;
  max-width:56ch;
}
.hm-article--filtration .hm-filtration-hero .hm-filtration-desc{
  color:var(--gray-2);
  font-size:16px;
  margin-top:22px;
  max-width:58ch;
  border-right:3px solid var(--blue);
  padding-right:16px;
}

/* hero diagram */
.hm-article--filtration .hm-filtration-flow-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px 22px 22px;
}
.hm-article--filtration .hm-filtration-flow-card .hm-filtration-flow-caption{
  font-family: inherit;
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--gray-3);
  text-transform:uppercase;
  margin-bottom:14px;
}
.hm-article--filtration .hm-filtration-flow-labels{
  display:flex;
  justify-content:space-between;
  font-family: inherit;
  font-size:12px;
  color:var(--navy-2);
  font-weight:700;
  margin-top:10px;
  letter-spacing:.03em;
}

/* particle animation shared */
.hm-article--filtration .hm-filtration-particle{
  fill:var(--blue);
  opacity:.9;
}
@keyframes hm-filtration-flowMove{
  0%{ transform:translateX(0); opacity:0; }
  8%{ opacity:1; }
  92%{ opacity:1; }
  100%{ transform:translateX(var(--flow-dx,520px)); opacity:0; }
}

/* ============================================================
   5. TECH INFO BAR
   ============================================================ */
.hm-article--filtration .hm-filtration-info-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--white);
}
.hm-article--filtration .hm-filtration-info-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.hm-article--filtration .hm-filtration-info-item{
  padding:20px 22px;
  border-right:1px solid var(--line);
}
.hm-article--filtration .hm-filtration-info-item:first-child{ border-right:none; }
.hm-article--filtration .hm-filtration-info-item .hm-filtration-k{
  font-family: inherit;
  font-size:11px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gray-3);
  margin-bottom:6px;
}
.hm-article--filtration .hm-filtration-info-item .hm-filtration-v{
  font-weight:700;
  color:var(--navy);
  font-size:15px;
}

/* ============================================================
   6. HIGHLIGHT BOX / BANNER
   ============================================================ */
.hm-article--filtration .hm-highlight{
  margin-top:28px;
  background:var(--blue-soft);
  border:1px solid #cfe1ff;
  border-radius:var(--radius-m);
  padding:22px 24px;
  position:relative;
  overflow:hidden;
}
.hm-article--filtration .hm-highlight::before{
  content:"";
  position:absolute;
  inset-inline-start:0;
  top:0; bottom:0;
  width:4px;
  background:var(--blue);
}
.hm-article--filtration .hm-highlight p{
  font-weight:700;
  color:var(--navy);
  font-size:17px;
  line-height:1.8;
  padding-inline-start:12px;
}

.hm-article--filtration .hm-filtration-banner{
  background:var(--navy);
  border-radius:var(--radius-l);
  padding:52px 40px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hm-article--filtration .hm-filtration-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(600px 200px at 20% 0%, rgba(47,124,246,.28), transparent 60%),
    radial-gradient(600px 200px at 80% 100%, rgba(47,124,246,.18), transparent 60%);
}
.hm-article--filtration .hm-filtration-banner p{
  position:relative;
  color:var(--white);
  font-family: inherit;
  font-weight:800;
  font-size:clamp(21px,3vw,30px);
  line-height:1.6;
  max-width:24ch;
  margin:0 auto;
}

/* ============================================================
   7. DIAGRAM CARDS (pressure drop / flow rate)
   ============================================================ */
.hm-article--filtration .hm-filtration-diagram-layout{
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:40px;
  align-items:center;
  margin-top:44px;
}
.hm-article--filtration .hm-filtration-diagram-panel{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px;
}
.hm-article--filtration .hm-filtration-diagram-note-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:26px;
  box-shadow:var(--shadow-soft-2);
}
.hm-article--filtration .hm-filtration-diagram-note-card h3{
  font-family: inherit;
  font-weight:800;
  color:var(--navy);
  font-size:19px;
}
.hm-article--filtration .hm-filtration-diagram-note-card p{
  margin-top:10px;
  color:var(--gray-2);
  font-size:15px;
}
.hm-article--filtration .hm-filtration-pressure-tags{
  display:flex;
  justify-content:space-between;
  margin-top:16px;
  font-family: inherit;
  font-size:12px;
}
.hm-article--filtration .hm-filtration-pressure-tags span{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:20px;
  padding:5px 12px;
  color:var(--navy-2);
  font-weight:700;
}

/* flow rate mini flow */
.hm-article--filtration .hm-filtration-demand-flow{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:36px;
}
.hm-article--filtration .hm-filtration-demand-chip{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:30px;
  padding:10px 18px;
  font-weight:700;
  color:var(--navy);
  font-size:14px;
  font-family: inherit;
  box-shadow:var(--shadow-soft-2);
}
.hm-article--filtration .hm-filtration-demand-arrow{
  color:var(--blue);
  font-size:18px;
  font-weight:900;
}

/* ============================================================
   8. INTERACTIVE CURVE CHART
   ============================================================ */
.hm-article--filtration .hm-filtration-chart-wrap{
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:44px;
  align-items:start;
  margin-top:44px;
}
.hm-article--filtration .hm-filtration-chart-panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:26px 20px 14px;
  box-shadow:var(--shadow-soft);
}
.hm-article--filtration .hm-filtration-chart-axis-label{
  font-family: inherit;
  font-size:11.5px;
  color:var(--gray-3);
  letter-spacing:.05em;
}
.hm-article--filtration .hm-filtration-curve-point{
  fill:var(--blue-deep);
  cursor:pointer;
  transition:r .2s var(--ease);
}
.hm-article--filtration .hm-filtration-curve-point:hover{ r:7; }
.hm-article--filtration .hm-filtration-chart-tooltip{
  position:absolute;
  background:var(--navy);
  color:var(--white);
  font-size:12.5px;
  padding:8px 12px;
  border-radius:8px;
  pointer-events:none;
  opacity:0;
  transform:translateY(4px);
  transition:opacity .18s var(--ease), transform .18s var(--ease);
  white-space:nowrap;
  z-index:5;
  font-family: inherit;
}
.hm-article--filtration .hm-filtration-chart-tooltip.hm-is-shown{ opacity:1; transform:translateY(0); }
.hm-article--filtration .hm-filtration-chart-figure{ position:relative; }
.hm-article--filtration .hm-filtration-conceptual-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family: inherit;
  font-size:11px;
  letter-spacing:.08em;
  color:#b3540f;
  background:#fff2e4;
  border:1px solid #ffdcb3;
  padding:5px 11px;
  border-radius:20px;
  font-weight:700;
  margin-top:16px;
}
.hm-article--filtration .hm-filtration-chart-side p{
  color:var(--gray-2);
  font-size:15px;
  margin-top:14px;
}
.hm-article--filtration .hm-filtration-chart-side h3{
  font-family: inherit;
  color:var(--navy);
  font-weight:800;
  font-size:19px;
}

/* ============================================================
   9. THREE CARDS (filtration levels)
   ============================================================ */
.hm-article--filtration .hm-filtration-cards-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:44px;
}
.hm-article--filtration .hm-filtration-level-card{
  border-radius:var(--radius-l);
  padding:28px 24px;
  border:1px solid var(--line);
  background:var(--white);
  box-shadow:var(--shadow-soft-2);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.hm-article--filtration .hm-filtration-level-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-soft); }
.hm-article--filtration .hm-filtration-level-card.hm-filtration-is-balanced{
  border-color:var(--blue);
  background:linear-gradient(180deg,var(--blue-soft),var(--white) 55%);
}
.hm-article--filtration .hm-filtration-level-card .hm-tag{
  font-family: inherit;
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--gray-3);
}
.hm-article--filtration .hm-filtration-level-card h3{
  font-family: inherit;
  font-weight:800;
  color:var(--navy);
  font-size:20px;
  margin-top:8px;
}
.hm-article--filtration .hm-filtration-level-card ul{ margin-top:18px; display:flex; flex-direction:column; gap:10px; }
.hm-article--filtration .hm-filtration-level-card li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:14.5px;
  color:var(--gray-2);
  border-top:1px dashed var(--line);
  padding-top:10px;
}
.hm-article--filtration .hm-filtration-level-card li:first-child{ border-top:none; padding-top:0; }
.hm-article--filtration .hm-filtration-level-card li b{
  font-family: inherit;
  color:var(--navy-2);
  font-weight:700;
}

/* ============================================================
   10. MICRON SCALE
   ============================================================ */
.hm-article--filtration .hm-filtration-micron-panel{
  margin-top:48px;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:44px 36px 30px;
}
.hm-article--filtration .hm-filtration-micron-scale{
  position:relative;
  height:6px;
  background:linear-gradient(90deg,var(--navy-2),var(--blue));
  border-radius:4px;
  margin:60px 10px 10px;
}
.hm-article--filtration .hm-filtration-micron-mark{
  position:absolute;
  top:0;
  transform:translate(50%,-50%);
  width:2px;
  height:16px;
  background:var(--gray-3);
}
.hm-article--filtration .hm-filtration-micron-mark .hm-filtration-label{
  position:absolute;
  top:-34px;
  right:50%;
  transform:translateX(50%);
  font-family: inherit;
  font-size:12px;
  color:var(--gray-2);
  white-space:nowrap;
}
.hm-article--filtration .hm-filtration-micron-pin{
  position:absolute;
  top:50%;
  transform:translate(50%,-50%);
}
.hm-article--filtration .hm-filtration-micron-pin .hm-filtration-dot{
  width:16px;height:16px;
  border-radius:50%;
  background:var(--navy);
  border:3px solid var(--white);
  box-shadow:0 0 0 2px var(--navy);
  margin:0 auto;
}
.hm-article--filtration .hm-filtration-micron-pin .hm-tag{
  margin-top:10px;
  background:var(--navy);
  color:var(--white);
  font-family: inherit;
  font-size:12px;
  font-weight:700;
  padding:6px 12px;
  border-radius:20px;
  white-space:nowrap;
  text-align:center;
}
.hm-article--filtration .hm-filtration-disclaimer{
  margin-top:40px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff8ec;
  border:1px solid #f3dfb3;
  border-radius:var(--radius-m);
  padding:18px 20px;
}
.hm-article--filtration .hm-filtration-disclaimer svg{ flex-shrink:0; margin-top:2px; }
.hm-article--filtration .hm-filtration-disclaimer p{
  font-size:14.5px;
  color:#6b5121;
  line-height:1.85;
}

/* ============================================================
   11. COMPARISON (katan vs paper)
   ============================================================ */
.hm-article--filtration .hm-filtration-compare-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:44px;
}
.hm-article--filtration .hm-compare-card{
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  padding:30px;
  background:var(--white);
  box-shadow:var(--shadow-soft-2);
}
.hm-article--filtration .hm-compare-card .hm-filtration-brand-tag{
  font-family: inherit;
  font-size:11px;
  letter-spacing:.1em;
  color:var(--blue-deep);
  font-weight:700;
}
.hm-article--filtration .hm-compare-card h3{
  font-family: inherit;
  color:var(--navy);
  font-weight:800;
  font-size:24px;
  margin-top:6px;
}
.hm-article--filtration .hm-filtration-compare-value{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.hm-article--filtration .hm-filtration-compare-value .hm-filtration-num{
  font-family: inherit;
  font-size:38px;
  font-weight:800;
  color:var(--navy-2);
}
.hm-article--filtration .hm-filtration-compare-value .hm-filtration-unit{
  font-family: inherit;
  color:var(--gray-3);
  font-size:14px;
}
.hm-article--filtration .hm-compare-card ul{ margin-top:20px; display:flex; flex-direction:column; gap:12px; }
.hm-article--filtration .hm-compare-card li{
  font-size:14.5px;
  color:var(--gray-2);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.hm-article--filtration .hm-compare-card li svg{ flex-shrink:0; margin-top:4px; color:var(--blue); }

/* ============================================================
   12. SURFACE AREA
   ============================================================ */
.hm-article--filtration .hm-filtration-surface-compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:44px;
}
.hm-article--filtration .hm-filtration-surface-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:22px;
  text-align:center;
}
.hm-article--filtration .hm-filtration-surface-card .hm-filtration-cap{
  font-family: inherit;
  font-size:12px;
  color:var(--navy-2);
  font-weight:700;
  margin-top:14px;
}

.hm-article--filtration .hm-filtration-slider-panel{
  margin-top:56px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:32px;
  box-shadow:var(--shadow-soft-2);
}
.hm-article--filtration .hm-filtration-slider-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
}
.hm-article--filtration .hm-filtration-slider-head h3{
  font-family: inherit;
  color:var(--navy);
  font-weight:800;
  font-size:19px;
}
.hm-article--filtration input[type="range"]{
  width:100%;
  margin-top:26px;
  -webkit-appearance:none;
  height:5px;
  border-radius:4px;
  background:var(--line);
  outline:none;
}
.hm-article--filtration input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--blue);
  border:4px solid var(--white);
  box-shadow:0 0 0 1px var(--blue);
  cursor:pointer;
}
.hm-article--filtration input[type="range"]::-moz-range-thumb{
  width:22px;height:22px;
  border-radius:50%;
  background:var(--blue);
  border:4px solid var(--white);
  box-shadow:0 0 0 1px var(--blue);
  cursor:pointer;
}
.hm-article--filtration .hm-filtration-slider-scale{
  display:flex;
  justify-content:space-between;
  font-family: inherit;
  font-size:11.5px;
  color:var(--gray-3);
  margin-top:8px;
  letter-spacing:.06em;
}
.hm-article--filtration .hm-filtration-slider-metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:30px;
}
.hm-article--filtration .hm-filtration-metric{
  background:var(--bg-soft);
  border-radius:var(--radius-m);
  padding:16px;
  text-align:center;
}
.hm-article--filtration .hm-filtration-metric .hm-filtration-k{ font-family: inherit; font-size:11px; color:var(--gray-3); letter-spacing:.05em;}
.hm-article--filtration .hm-filtration-metric .hm-filtration-bar{
  margin-top:10px;
  height:6px;
  border-radius:4px;
  background:var(--line);
  overflow:hidden;
}
.hm-article--filtration .hm-filtration-metric .hm-filtration-bar > i{
  display:block;
  height:100%;
  width:20%;
  background:var(--blue);
  border-radius:4px;
  transition:width .25s var(--ease);
}
.hm-article--filtration .hm-filtration-slider-metrics--2{ grid-template-columns:repeat(2,1fr); }
.hm-article--filtration .hm-filtration-metric--power .hm-filtration-bar > i{ background:var(--blue); }
.hm-article--filtration .hm-filtration-metric--filtration .hm-filtration-bar > i{ background:var(--navy-2); }

/* ============================================================
   13. BALANCE SECTION (signature)
   ============================================================ */
.hm-article--filtration .hm-filtration-balance-section{
  background:linear-gradient(180deg,var(--navy) 0%, var(--navy-2) 100%);
  color:var(--white);
  border-radius:var(--radius-l);
  padding:64px 32px 52px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hm-article--filtration .hm-filtration-balance-section::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(circle at center, black 0%, transparent 75%);
}
.hm-article--filtration .hm-filtration-balance-section .hm-eyebrow{ color:#9db9e6; }
.hm-article--filtration .hm-filtration-balance-section .hm-eyebrow::before{ background:#9db9e6; }
.hm-article--filtration .hm-filtration-balance-section h2{
  position:relative;
  color:var(--white);
  font-family: inherit;
  font-weight:800;
  font-size:clamp(24px,3.4vw,32px);
  margin-top:14px;
}
.hm-article--filtration .hm-filtration-balance-section .hm-lead{
  position:relative;
  color:#c6d5ea;
  max-width:62ch;
  margin:18px auto 0;
}
.hm-article--filtration .hm-filtration-scale-figure{
  position:relative;
  margin:52px auto 8px;
  max-width:520px;
}
.hm-article--filtration .hm-filtration-scale-caption{
  position:relative;
  margin-top:18px;
  font-family: inherit;
  font-size:12px;
  letter-spacing:.1em;
  color:#9db9e6;
}
.hm-article--filtration .hm-filtration-scale-caption strong{
  display:block;
  font-family: inherit;
  color:var(--white);
  font-size:20px;
  letter-spacing:0;
  margin-bottom:4px;
}

/* scale beam animation: settles into balance */
.hm-article--filtration .hm-filtration-scale-beam{ transform-origin:260px 96px; animation:hm-filtration-settle 2.6s var(--ease) both; }
@keyframes hm-filtration-settle{
  0%{ transform:rotate(-9deg); }
  30%{ transform:rotate(7deg); }
  55%{ transform:rotate(-4deg); }
  75%{ transform:rotate(2deg); }
  100%{ transform:rotate(0deg); }
}

/* ============================================================
   14. FORMULA VISUAL
   ============================================================ */
.hm-article--filtration .hm-filtration-formula-row{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:40px;
}
.hm-article--filtration .hm-filtration-formula-term{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:16px 22px;
  font-weight:700;
  color:var(--navy);
  font-size:15px;
  text-align:center;
}
.hm-article--filtration .hm-filtration-formula-term small{
  display:block;
  font-family: inherit;
  font-weight:500;
  color:var(--gray-3);
  font-size:11px;
  margin-top:4px;
  letter-spacing:.04em;
}
.hm-article--filtration .hm-filtration-formula-op{
  font-size:20px;
  color:var(--blue);
  font-weight:800;
}
.hm-article--filtration .hm-filtration-formula-note{
  text-align:center;
  margin-top:18px;
  color:var(--gray-3);
  font-size:13px;
  font-family: inherit;
}

/* ============================================================
   15. TABLE
   ============================================================ */
.hm-article--filtration .hm-filtration-table-scroll{
  margin-top:44px;
  overflow-x:auto;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft-2);
}
.hm-article--filtration table.hm-filtration-summary-table{
  width:100%;
  min-width:640px;
  font-size:14.5px;
}
.hm-article--filtration .hm-filtration-summary-table thead th{
  background:var(--navy);
  color:var(--white);
  text-align:right;
  padding:16px 18px;
  font-weight:700;
  font-size:13.5px;
}
.hm-article--filtration .hm-filtration-summary-table thead th:first-child{ border-top-right-radius:0; }
.hm-article--filtration .hm-filtration-summary-table tbody td{
  padding:15px 18px;
  border-top:1px solid var(--line);
  color:var(--gray-2);
}
.hm-article--filtration .hm-filtration-summary-table tbody tr:nth-child(even){ background:var(--bg-soft); }
.hm-article--filtration .hm-filtration-summary-table tbody td:first-child{ color:var(--navy); font-weight:700; }
.hm-article--filtration .hm-filtration-table-footnote{
  margin-top:14px;
  font-size:13px;
  color:var(--gray-3);
  font-family: inherit;
}

/* ============================================================
   16. FINAL CTA
   ============================================================ */
.hm-article--filtration .hm-final-cta{
  margin-top:0;
  padding:96px 0 90px;
  background:var(--ink);
  color:var(--white);
  text-align:center;
  position:relative;
}
.hm-article--filtration .hm-final-cta h2{
  color:var(--white);
  font-family: inherit;
  font-weight:800;
  font-size:clamp(26px,4vw,40px);
  line-height:1.5;
  max-width:20ch;
  margin:20px auto 0;
}
.hm-article--filtration .hm-final-cta p{
  color:#b7bec8;
  max-width:52ch;
  margin:22px auto 0;
  font-size:16px;
  line-height:1.9;
}
.hm-article--filtration .hm-filtration-cta-lockup{
  margin-top:48px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
}
.hm-article--filtration .hm-filtration-cta-lockup img{ height:34px; width:auto; }
.hm-article--filtration .hm-filtration-cta-lockup .hm-filtration-line1{
  font-family: inherit;
  font-size:12px;
  letter-spacing:.18em;
  color:#8f97a3;
  text-transform:uppercase;
}
.hm-article--filtration .hm-filtration-cta-lockup .hm-filtration-line2{
  font-family: inherit;
  font-weight:700;
  font-size:15px;
  color:var(--white);
}

/* ============================================================
   17. FOOTER
   ============================================================ */
.hm-article--filtration .hm-filtration-site-footer{
  background:var(--ink);
  border-top:1px solid rgba(255,255,255,.08);
  padding:26px 0;
  text-align:center;
}
.hm-article--filtration .hm-filtration-site-footer p{
  color:#6d7580;
  font-size:12.5px;
  font-family: inherit;
}

/* ============================================================
   18. RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .hm-article--filtration .hm-filtration-hero-grid{ grid-template-columns:1fr; gap:40px; }
  .hm-article--filtration .hm-filtration-diagram-layout, .hm-article--filtration .hm-filtration-chart-wrap, .hm-article--filtration .hm-filtration-compare-grid, .hm-article--filtration .hm-filtration-surface-compare{ grid-template-columns:1fr; }
  .hm-article--filtration .hm-filtration-cards-3{ grid-template-columns:1fr; }
  .hm-article--filtration .hm-filtration-info-grid{ grid-template-columns:repeat(2,1fr); }
  .hm-article--filtration .hm-filtration-info-item:nth-child(3){ border-right:none; }
}
@media (max-width:640px){
  .hm-article--filtration{ font-size:15.5px; }
  .hm-article--filtration .hm-section{ padding:64px 0; }
  .hm-article--filtration h2.hm-section-title{ font-size:24px; }
  .hm-article--filtration .hm-filtration-info-grid{ grid-template-columns:1fr 1fr; }
  .hm-article--filtration .hm-filtration-info-item{ padding:16px; }
  .hm-article--filtration .hm-filtration-banner{ padding:38px 22px; }
  .hm-article--filtration .hm-filtration-balance-section{ padding:48px 18px 40px; }
  .hm-article--filtration .hm-filtration-article-nav a{ font-size:12.5px; padding:7px 10px; }
  .hm-article--filtration .hm-filtration-formula-row{ flex-direction:column; }
  .hm-article--filtration .hm-filtration-formula-op{ transform:rotate(90deg); }
}

/* ============================================================
   19. COPY PROTECTION
   ============================================================ */
.hm-article--filtration{
  -webkit-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
}
.hm-article--filtration input, .hm-article--filtration textarea{
  -webkit-user-select:text;
  -moz-user-select:text;
  -ms-user-select:text;
  user-select:text;
}
.hm-article--filtration img{
  -webkit-user-drag:none;
  -khtml-user-drag:none;
  -moz-user-drag:none;
  -o-user-drag:none;
  user-drag:none;
  pointer-events:none;
}
.hm-article--filtration svg{
  -webkit-user-drag:none;
  -khtml-user-drag:none;
  -moz-user-drag:none;
  -o-user-drag:none;
  user-drag:none;
}


/* Migrated legacy inline styles */
.hm-article--filtration .hm-filtration-inline-1{display:flex;justify-content:space-between;margin-top:6px;}
.hm-article--filtration .hm-filtration-inline-2{margin-top:80px;}
.hm-article--filtration .hm-filtration-inline-3{margin-top:64px;}
.hm-article--filtration .hm-filtration-inline-4{margin-top:20px;color:var(--gray-3);font-size:13px;font-family: inherit;}
.hm-article--filtration .hm-filtration-inline-5{color:#8f97a3;}

/* TEMP FIX — filtration reveal */
.hm-article--filtration [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
}



/* =========================================================
   HOMORO ARTICLE SYSTEM — TABLE OF CONTENTS
   ========================================================= */

/* =========================================================
   HOMORO ARTICLE SYSTEM — PROFESSIONAL TOC
   ========================================================= */

.hm-article .hm-toc-card {
    display: block !important;
    width: min(calc(100% - 32px), 920px) !important;
    margin: 34px auto 54px !important;
    padding: 0 !important;

    background: #ffffff !important;
    border: 1px solid #e5e9f0 !important;
    border-radius: 18px !important;

    box-shadow:
        0 1px 2px rgba(16, 24, 40, 0.025),
        0 14px 36px -28px rgba(15, 35, 70, 0.28) !important;

    overflow: hidden !important;
}


/* Header */

.hm-article .hm-toc-card__header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 24px !important;

    padding: 22px 24px 20px !important;

    background:
        linear-gradient(
            135deg,
            rgba(36, 95, 189, 0.055),
            transparent 55%
        ) !important;

    border-bottom: 1px solid #edf0f4 !important;
}


.hm-article .hm-toc-card__heading {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 3px !important;
}


.hm-article .hm-toc-card__eyebrow {
    display: block !important;

    margin: 0 0 2px !important;
    padding: 0 !important;

    color: #3973c5 !important;
    font-size: 10px !important;
    font-weight: 800 !important;
    line-height: 1.5 !important;
    letter-spacing: 0 !important;
}


.hm-article .hm-toc-card__title {
    display: block !important;

    margin: 0 !important;
    padding: 0 !important;

    color: #102a4d !important;
    font-size: 18px !important;
    font-weight: 900 !important;
    line-height: 1.5 !important;
}


.hm-article .hm-toc-card__description {
    display: block !important;

    margin: 1px 0 0 !important;
    padding: 0 !important;

    color: #7a8595 !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    line-height: 1.7 !important;
}


/* Count */

.hm-article .hm-toc-card__count {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;

    flex: 0 0 auto !important;

    min-width: 58px !important;
    height: 30px !important;

    padding: 0 12px !important;

    background: #f1f5fb !important;
    border: 1px solid #e0e8f4 !important;
    border-radius: 100px !important;

    color: #45627f !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    line-height: 1 !important;
}


/* Grid */

.hm-article .hm-toc-card__grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0 !important;

    margin: 0 !important;
    padding: 10px 24px 18px !important;
}


/* Item */

.hm-article .hm-toc-card__item {
    display: flex !important;
    align-items: center !important;
    gap: 11px !important;

    min-width: 0 !important;
    min-height: 48px !important;

    margin: 0 !important;
    padding: 9px 8px !important;

    color: #344054 !important;
    background: transparent !important;
    border: 0 !important;
    border-bottom: 1px solid #f0f2f5 !important;
    border-radius: 0 !important;

    font-size: 13.5px !important;
    font-weight: 650 !important;
    line-height: 1.6 !important;

    text-decoration: none !important;

    box-shadow: none !important;

    transition:
        color .18s ease,
        background-color .18s ease,
        padding-right .18s ease !important;
}


/* Vertical divider */

.hm-article .hm-toc-card__item:nth-child(odd) {
    border-left: 1px solid #f0f2f5 !important;
    padding-left: 20px !important;
}

.hm-article .hm-toc-card__item:nth-child(even) {
    padding-right: 20px !important;
}


/* Last row */

.hm-article .hm-toc-card__item:nth-last-child(-n + 2) {
    border-bottom: 0 !important;
}


/* Number */

.hm-article .hm-toc-card__number {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;

    flex: 0 0 28px !important;

    width: 28px !important;
    height: 28px !important;

    margin: 0 !important;
    padding: 0 !important;

    direction: ltr !important;

    background: #f4f7fb !important;
    border-radius: 8px !important;

    color: #7890ab !important;
    font-size: 9.5px !important;
    font-weight: 800 !important;
    line-height: 1 !important;

    transition:
        color .18s ease,
        background-color .18s ease !important;
}


/* Text */

.hm-article .hm-toc-card__text {
    display: block !important;
    min-width: 0 !important;

    margin: 0 !important;
    padding: 0 !important;

    color: inherit !important;

    white-space: normal !important;
}


/* Hover */

.hm-article .hm-toc-card__item:hover,
.hm-article .hm-toc-card__item:focus-visible {
    color: #1f5fae !important;
    background: #f8faff !important;
}


.hm-article .hm-toc-card__item:hover .hm-toc-card__number,
.hm-article .hm-toc-card__item:focus-visible .hm-toc-card__number {
    color: #ffffff !important;
    background: #3973c5 !important;
}


/* Focus */

.hm-article .hm-toc-card__item:focus-visible {
    outline: 2px solid #3973c5 !important;
    outline-offset: -2px !important;
}


/* Mobile */

@media (max-width: 700px) {

    .hm-article .hm-toc-card {
        width: calc(100% - 24px) !important;
        margin: 26px auto 42px !important;
        border-radius: 15px !important;
    }

    .hm-article .hm-toc-card__header {
        padding: 18px !important;
    }

    .hm-article .hm-toc-card__title {
        font-size: 16px !important;
    }

    .hm-article .hm-toc-card__description {
        font-size: 11px !important;
    }

    .hm-article .hm-toc-card__grid {
        grid-template-columns: 1fr !important;
        padding: 6px 16px 14px !important;
    }

    .hm-article .hm-toc-card__item,
    .hm-article .hm-toc-card__item:nth-child(odd),
    .hm-article .hm-toc-card__item:nth-child(even) {
        min-height: 46px !important;
        padding: 9px 4px !important;

        border-left: 0 !important;
        border-bottom: 1px solid #f0f2f5 !important;

        font-size: 13px !important;
    }

    .hm-article .hm-toc-card__item:last-child {
        border-bottom: 0 !important;
    }
}

/* =========================================================
   HOMORO — CUSTOMER PERSONA V2 COMPATIBILITY PATCH
   Goal: refactor code without redesigning/cropping the article visuals.
   Append AFTER the current article.css.
   ========================================================= */

/* Hero: preserve the complete editorial composite image; no oval/circle crop. */
.hm-article--customer-persona .hm-customer-persona-hero-visual {
  min-height: 0;
  padding: 8px 0;
}

.hm-article--customer-persona .hm-customer-persona-hero-photo {
  display: block;
  width: min(100%, 440px);
  height: auto;
  max-height: none;
  margin-inline: auto;
  border: 0;
  border-radius: 10px;
  object-fit: contain;
  object-position: center;
  box-shadow: 0 18px 42px rgba(11,45,92,.18);
}

/* Persona images: keep the original composition instead of forcing a 230px crop. */
.hm-article--customer-persona .hm-customer-persona-persona-visual {
  min-height: 0;
  padding: 30px;
}

.hm-article--customer-persona .hm-customer-persona-persona-photo {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center;
  border-radius: 14px;
}

/* FAQ buttons: neutralize theme/Elementor button defaults and use shared article.js. */
.hm-article--customer-persona button.hm-faq-question {
  width: 100%;
  margin: 0;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--black) !important;
  font: inherit;
  font-weight: 700;
  text-align: right;
  appearance: none;
  -webkit-appearance: none;
}

.hm-article--customer-persona button.hm-faq-question:hover,
.hm-article--customer-persona button.hm-faq-question:focus,
.hm-article--customer-persona button.hm-faq-question:active {
  background: transparent !important;
  color: var(--navy) !important;
}

/* Mobile: preserve image ratios; only reduce spacing. */
@media (max-width: 820px) {
  .hm-article--customer-persona .hm-customer-persona-hero-visual {
    padding-top: 6px;
  }

  .hm-article--customer-persona .hm-customer-persona-hero-photo {
    width: min(100%, 520px);
    height: auto;
    border-radius: 8px;
  }

  .hm-article--customer-persona .hm-customer-persona-persona-visual {
    padding: 24px;
  }
}

@media (max-width: 520px) {
  .hm-article--customer-persona .hm-customer-persona-hero-photo {
    width: 100%;
    height: auto;
  }

  .hm-article--customer-persona .hm-customer-persona-persona-visual {
    padding: 18px;
  }
}

/* =========================================================
   HOMORO ARTICLE SYSTEM — TYPOGRAPHY INHERITANCE
   Font owner: Woodmart → Homoro-Abar-VF
   Elementor and article components inherit from the theme.
   No article-level @font-face or external font loading.
   ========================================================= */

.hm-article {
  font-family: inherit;
  font-synthesis: none;
}

.hm-article h1,
.hm-article h2,
.hm-article h3,
.hm-article h4,
.hm-article h5,
.hm-article h6,
.hm-article p,
.hm-article li,
.hm-article a,
.hm-article span,
.hm-article strong,
.hm-article em,
.hm-article small,
.hm-article label,
.hm-article blockquote,
.hm-article figcaption,
.hm-article table,
.hm-article th,
.hm-article td,
.hm-article button,
.hm-article input,
.hm-article textarea,
.hm-article select {
  font-family: inherit !important;
}

/* Override legacy SVG presentation attributes such as font-family="Vazirmatn...". */
.hm-article svg text,
.hm-article svg tspan {
  font-family: inherit !important;
}

/* =========================================================
   ARTICLE MODULE: صدای مکش در برابر توان (intake-sound)
   Scoped to .hm-article--intake-sound
   ========================================================= */
.hm-article--intake-sound {
  --white: #ffffff;
  --navy: #0d1b2e;
  --navy-2: #13273f;
  --black: #0a0a0a;
  --gray-dark: #3a4048;
  --gray-light: #f4f6f8;
  --gray-mid: #8892a0;
  --line: #e2e6ea;
  --blue-accent: #3f8cff;
  --blue-accent-soft: rgba(63,140,255,0.12);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(13,27,46,0.08);
}

.hm-article--intake-sound section { padding: 72px 0; }
.hm-article--intake-sound section.tight { padding: 48px 0; }

.hm-article--intake-sound .eyebrow {
  display: inline-block; font-size: 12.5px; letter-spacing: .02em; color: var(--blue-accent);
  font-weight: 600; margin-bottom: 14px;
}
.hm-article--intake-sound .lead { font-size: 19px; color: var(--navy-2); }
.hm-article--intake-sound .prose { max-width: 820px; margin: 0 auto; }

/* Hero */
.hm-article--intake-sound #hero {
  padding: 56px 0 40px;
  background: radial-gradient(1200px 500px at 30% -10%, var(--blue-accent-soft), transparent 60%), var(--white);
}
.hm-article--intake-sound #hero .hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
}
.hm-article--intake-sound #hero .hero-copy .lead-text {
  margin-top: 18px; color: var(--gray-dark); font-size: 15.5px; line-height: 2;
}
.hm-article--intake-sound #hero-visual {
  background: var(--navy); border-radius: 18px; padding: 22px; box-shadow: var(--shadow);
}
.hm-article--intake-sound .hero-badges { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.hm-article--intake-sound .hero-badge {
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; font-size: 12.5px;
  color: var(--navy-2); background: var(--gray-light); font-weight: 600;
}

/* Info bar */
.hm-article--intake-sound #info-bar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--gray-light); }
.hm-article--intake-sound #info-bar .info-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; padding: 20px 0; font-size: 13.5px;
}
.hm-article--intake-sound #info-bar .info-item .k { color: var(--gray-mid); display: block; margin-bottom: 4px; font-size: 11.5px; }
.hm-article--intake-sound #info-bar .info-item .v { color: var(--navy); font-weight: 700; }

/* Highlight box */
.hm-article--intake-sound .highlight-box {
  background: var(--navy); color: var(--white); border-radius: var(--radius);
  padding: 24px 28px; margin: 28px 0; font-size: 17px; font-weight: 600; line-height: 1.8;
}
.hm-article--intake-sound .highlight-box small { display: block; font-weight: 400; font-size: 13px; color: #b9c6d8; margin-top: 8px; }
.hm-article--intake-sound .callout {
  border-inline-start: 3px solid var(--blue-accent); background: var(--gray-light);
  padding: 16px 20px; border-radius: 8px; margin: 20px 0; color: var(--navy-2); font-weight: 600; font-size: 15.5px;
}

/* Cards grid */
.hm-article--intake-sound .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.hm-article--intake-sound .eng-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; background: var(--white);
  box-shadow: var(--shadow); transition: transform .25s ease;
}
.hm-article--intake-sound .eng-card h4 { margin: 0 0 8px; font-size: 15px; color: var(--navy); font-weight: 800; }
.hm-article--intake-sound .eng-card p { font-size: 14px; margin: 0; color: var(--gray-dark); }
.hm-article--intake-sound .eng-card .tag {
  display: inline-block; font-size: 11px; color: var(--blue-accent); font-weight: 700; margin-bottom: 10px;
  font-family: inherit;
}

/* Two-path comparisons */
.hm-article--intake-sound .compare-two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.hm-article--intake-sound .compare-panel {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--gray-light);
}
.hm-article--intake-sound .compare-panel h4 { margin: 0 0 12px; font-size: 16px; font-weight: 800; color: var(--navy); }
.hm-article--intake-sound .compare-panel svg { margin: 14px 0; }
.hm-article--intake-sound .compare-panel .metric { font-size: 13px; color: var(--gray-dark); display: flex; justify-content: space-between; padding: 6px 0; border-top: 1px dashed var(--line); }

/* Filter interactive */
.hm-article--intake-sound #filter-interactive {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--gray-light); margin-top: 24px;
}
.hm-article--intake-sound .slider-row { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.hm-article--intake-sound .slider-row label { font-size: 13px; font-weight: 700; color: var(--navy); white-space: nowrap; }
.hm-article--intake-sound input[type=range] {
  flex: 1; -webkit-appearance: none; height: 4px; background: var(--line); border-radius: 4px; outline: none;
}
.hm-article--intake-sound input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--blue-accent);
  cursor: pointer; border: 3px solid var(--white); box-shadow: 0 0 0 1px var(--blue-accent);
}
.hm-article--intake-sound .filter-readouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.hm-article--intake-sound .readout { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 14px; text-align: center; }
.hm-article--intake-sound .readout .label { font-size: 11.5px; color: var(--gray-mid); margin-bottom: 6px; }
.hm-article--intake-sound .readout .bar-track { height: 8px; background: var(--gray-light); border-radius: 6px; overflow: hidden; margin-top: 8px; }
.hm-article--intake-sound .readout .bar-fill { height: 100%; background: var(--blue-accent); border-radius: 6px; transition: width .15s ease; }
.hm-article--intake-sound .disclaimer { font-size: 12.5px; color: var(--gray-mid); margin-top: 16px; text-align: center; }

/* Sound vs Performance split */
.hm-article--intake-sound #svp { background: var(--navy); color: var(--white); }
.hm-article--intake-sound #svp h2 { color: var(--white); text-align: center; }
.hm-article--intake-sound .svp-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: start; margin-top: 36px;
}
.hm-article--intake-sound .svp-col { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 26px; }
.hm-article--intake-sound .svp-col h3 { color: var(--white); font-weight: 800; font-size: 19px; margin-bottom: 14px; }
.hm-article--intake-sound .svp-col ul { margin: 14px 0 0; padding-inline-start: 18px; color: #c5cedb; font-size: 14.5px; line-height: 2.1; }
.hm-article--intake-sound .svp-mid { display: flex; align-items: center; justify-content: center; font-size: 34px; color: var(--blue-accent); font-weight: 800; }

/* Concept graph */
.hm-article--intake-sound #concept-graph-wrap { margin-top: 28px; }
.hm-article--intake-sound #concept-graph { border: 1px solid var(--line); border-radius: var(--radius); background: var(--gray-light); padding: 20px; }
.hm-article--intake-sound .graph-point { cursor: pointer; transition: r .2s ease; }
.hm-article--intake-sound .graph-point:hover { r: 11; }
.hm-article--intake-sound .graph-tooltip {
  position: absolute; background: var(--navy); color: var(--white); font-size: 12.5px; padding: 8px 12px;
  border-radius: 8px; pointer-events: none; opacity: 0; transition: opacity .15s; white-space: nowrap; z-index: 5;
}
.hm-article--intake-sound .graph-caption { text-align: center; font-size: 12.5px; color: var(--gray-mid); margin-top: 12px; font-family: inherit; }

/* Myth vs reality */
.hm-article--intake-sound .mvr-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 16px;
}
.hm-article--intake-sound .mvr-myth, .hm-article--intake-sound .mvr-reality { padding: 22px; }
.hm-article--intake-sound .mvr-myth { background: #fdf2f2; border-left: 1px solid var(--line); }
.hm-article--intake-sound .mvr-reality { background: var(--gray-light); }
.hm-article--intake-sound .mvr-label { font-size: 11px; font-weight: 700; letter-spacing: .02em; margin-bottom: 8px; display: block; }
.hm-article--intake-sound .mvr-myth .mvr-label { color: #c65b5b; }
.hm-article--intake-sound .mvr-reality .mvr-label { color: var(--blue-accent); }
.hm-article--intake-sound .mvr-item p { margin: 0; font-size: 15px; }

/* System comparison */
.hm-article--intake-sound .sys-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.hm-article--intake-sound .sys-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--white); box-shadow: var(--shadow); }
.hm-article--intake-sound .sys-card h4 { margin: 0 0 16px; color: var(--navy); font-weight: 800; font-size: 18px; }
.hm-article--intake-sound .sys-row { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px dashed var(--line); font-size: 14px; }
.hm-article--intake-sound .sys-row span:first-child { color: var(--gray-mid); }
.hm-article--intake-sound .sys-row span:last-child { font-weight: 700; color: var(--navy); }

/* Measure dashboard */
.hm-article--intake-sound .measure-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 24px; }
.hm-article--intake-sound .measure-item {
  border: 1px solid var(--line); border-radius: 10px; padding: 16px; background: var(--gray-light);
  font-size: 13.5px; font-weight: 600; color: var(--navy-2); text-align: center;
}

/* Philosophy */
.hm-article--intake-sound #philosophy { background: var(--gray-light); text-align: center; }
.hm-article--intake-sound #philosophy h2 { max-width: 760px; margin: 0 auto 20px; color: var(--navy); font-weight: 800; font-size: 26px; }
.hm-article--intake-sound .phil-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.hm-article--intake-sound .phil-pillar {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  font-weight: 700; color: var(--navy); font-size: 15px; box-shadow: var(--shadow);
}

/* Conclusion */
.hm-article--intake-sound #conclusion { text-align: center; background: var(--navy); color: var(--white); }
.hm-article--intake-sound #conclusion h2 { color: var(--white); font-size: clamp(24px, 3.4vw, 34px); max-width: 760px; margin: 0 auto 20px; font-weight: 800; }
.hm-article--intake-sound #conclusion p { color: #c5cedb; max-width: 640px; margin: 0 auto; }

/* CTA */
.hm-article--intake-sound #cta { text-align: center; background: var(--white); }
.hm-article--intake-sound #cta h2 { font-size: 28px; font-weight: 800; color: var(--navy); margin-bottom: 24px; }
.hm-article--intake-sound .cta-buttons { display: flex; gap: 14px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }
.hm-article--intake-sound .btn {
  display: inline-block; padding: 14px 26px; border-radius: 10px; font-weight: 700; font-size: 14.5px;
  text-decoration: none; transition: transform .2s, box-shadow .2s;
}
.hm-article--intake-sound .btn-primary { background: var(--navy); color: var(--white); }
.hm-article--intake-sound .btn-secondary { background: var(--white); color: var(--navy); border: 1px solid var(--line); }
.hm-article--intake-sound .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13,27,46,0.18); }

.hm-article--intake-sound .divider { height: 1px; background: var(--line); margin: 0 auto; max-width: 1240px; }

/* Responsive */
@media (max-width: 900px) {
  .hm-article--intake-sound #hero .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hm-article--intake-sound #info-bar .info-grid { grid-template-columns: repeat(2, 1fr); }
  .hm-article--intake-sound .card-grid { grid-template-columns: 1fr 1fr; }
  .hm-article--intake-sound .compare-two { grid-template-columns: 1fr; }
  .hm-article--intake-sound .svp-grid { grid-template-columns: 1fr; }
  .hm-article--intake-sound .svp-mid { transform: rotate(90deg); padding: 6px 0; }
  .hm-article--intake-sound .sys-compare { grid-template-columns: 1fr; }
  .hm-article--intake-sound .measure-grid { grid-template-columns: 1fr 1fr; }
  .hm-article--intake-sound .phil-pillars { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hm-article--intake-sound .card-grid, .hm-article--intake-sound .measure-grid { grid-template-columns: 1fr; }
  .hm-article--intake-sound #info-bar .info-grid { grid-template-columns: 1fr 1fr; font-size: 12.5px; }
}