.custom-heatsink-overview {
    --rx-navy: #102a43;
    --rx-blue: #2563eb;
    --rx-blue-dark: #1d4ed8;
    --rx-light: #f8fafc;
    --rx-border: #e5e7eb;
    --rx-text: #334155;
    --rx-muted: #475569;
    --rx-white: #ffffff;

    font-family: Calibri, "Segoe UI", Arial, sans-serif;
    color: var(--rx-text);
    background: #ffffff;
    line-height: 1.72;
  }

  .custom-heatsink-overview * {
    box-sizing: border-box;
  }

  .custom-heatsink-overview .container {
    width: min(1180px, 92%);
    margin: 0 auto;
  }

  .custom-heatsink-overview h1,
  .custom-heatsink-overview h2,
  .custom-heatsink-overview h3 {
    margin: 0 0 18px;
    color: var(--rx-navy);
    font-weight: 700;
    letter-spacing: -0.03em;
  }

  .custom-heatsink-overview h1 {
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.08;
  }

  .custom-heatsink-overview h2 {
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.15;
  }

  .custom-heatsink-overview h3 {
    font-size: 24px;
    line-height: 1.25;
  }

  .custom-heatsink-overview p {
    margin: 0 0 18px;
    font-size: 17px;
    color: var(--rx-muted);
  }

  .custom-heatsink-overview ul,
  .custom-heatsink-overview ol {
    margin: 18px 0 22px;
    padding-left: 22px;
  }

  .custom-heatsink-overview li {
    margin-bottom: 10px;
    font-size: 17px;
    color: var(--rx-text);
  }

  .eyebrow {
    display: inline-block;
    margin: 0 0 16px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--rx-blue);
  }

  .hero-section {
    padding: 110px 0 92px;
    background:
      radial-gradient(circle at 85% 20%, rgba(37, 99, 235, 0.38), transparent 32%),
      linear-gradient(135deg, #020617 0%, #0f172a 48%, #1e293b 100%);
    color: #ffffff;
  }

  .hero-section h1,
  .hero-section h2,
  .hero-section p,
  .hero-section .eyebrow {
    color: #ffffff;
  }

  .hero-section p {
    color: #dbeafe;
  }

  .hero-grid,
  .image-text-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
  }

  .image-text-grid.reverse {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .content-section,
  .technology-block,
  .overview-section,
  .process-section,
  .applications-section {
    padding: 92px 0;
    background: #ffffff;
  }

  .light-section,
  .technology-block.light,
  .overview-section.light {
    padding: 92px 0;
    background: var(--rx-light);
  }

  .technology-section {
    padding: 90px 0 60px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    text-align: center;
  }

  .technology-section p {
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-image,
  .section-image,
  .process-image,
  .applications-image {
    padding: 14px;
    border-radius: 26px;
    background: #ffffff;
    border: 1px solid var(--rx-border);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
  }

  .hero-section .hero-image {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.18);
  }

  .hero-image img,
  .section-image img,
  .process-image img,
  .applications-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
  }

  .image-caption {
    margin-top: 12px;
    font-size: 14px;
    color: #64748b;
    text-align: center;
  }

  .hero-section .image-caption {
    color: #dbeafe;
  }

  .feature-grid,
  .application-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
  }

  .feature-card,
  .application-grid div {
    min-height: 82px;
    display: flex;
    align-items: center;
    padding: 22px 24px;
    border-radius: 20px;
    background: #ffffff;
    border: 1px solid var(--rx-border);
    border-left: 5px solid var(--rx-blue);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.05);
    font-size: 16px;
    font-weight: 700;
    color: #1e293b;
  }

  .process-card {
    margin-top: 34px;
    padding: 36px;
    border-radius: 26px;
    background: #ffffff;
    border: 1px solid var(--rx-border);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
  }

  .process-image,
  .applications-image {
    margin: 28px 0 32px;
  }

  .cta-section {
    padding: 100px 0;
    background:
      linear-gradient(135deg, rgba(37, 99, 235, 0.26), transparent 45%),
      #0f172a;
    color: #ffffff;
    text-align: center;
  }

  .cta-section h2,
  .cta-section p {
    color: #ffffff;
  }

  .cta-section p {
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
    color: #dbeafe;
  }

  .quote-btn {
    display: inline-block;
    margin-top: 22px;
    padding: 16px 38px;
    border-radius: 999px;
    background: #ffffff;
    color: #102a43;
    text-decoration: none;
    font-size: 17px;
    font-weight: 800;
    box-shadow: 0 16px 36px rgba(0,0,0,0.22);
    transition: all 0.25s ease;
  }

  .quote-btn:hover {
    transform: translateY(-3px);
    background: #eff6ff;
    color: var(--rx-blue-dark);
  }

  @media (max-width: 960px) {
    .hero-grid,
    .image-text-grid,
    .image-text-grid.reverse,
    .feature-grid,
    .application-grid {
      grid-template-columns: 1fr;
    }

    .hero-section,
    .content-section,
    .light-section,
    .technology-section,
    .technology-block,
    .technology-block.light,
    .overview-section,
    .overview-section.light,
    .process-section,
    .applications-section,
    .cta-section {
      padding: 70px 0;
    }
  }