@media (max-width: 920px) {
  .site-header { top: 32px; }
  .header-shell { grid-template-columns: 52px 1fr 52px; min-height: 64px; padding: 0 12px; }
  .header-action-icons {
    position: static;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    transform: none;
    display: flex;
  }
  .header-icon-button {
    width: 38px;
    height: 38px;
  }
  .nav { display: none; }
  .nav-right { padding-right: 0; }
  .mega-inner { grid-template-columns: repeat(2, minmax(130px, 1fr)); }
  .brand {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }
  .menu-toggle {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    display: grid;
    align-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px 8px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-toggle span { display: block; width: 24px; height: 2px; background: var(--black); }
  .mobile-panel {
    display: none;
    width: min(1180px, calc(100% - 28px));
    margin: -8px auto 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(var(--hero-overlay-rgb), .96);
    box-shadow: var(--shadow);
  }
  .mobile-panel.is-open { display: grid; }
  .mobile-panel a { padding: 12px; border-bottom: 1px solid var(--line); font-weight: 700; }
  .hero { margin-top: -96px; padding: 152px 20px 54px; min-height: 760px; }
  .hero::after { background: linear-gradient(180deg, rgba(var(--hero-overlay-rgb), .92), rgba(var(--hero-overlay-rgb), .68)); }
  .section, .page-hero.compact { padding: 58px 0; }
  .section-heading, .split-band, .showcase, .contact-grid { display: block; }
  .masonry-collage { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 62px; }
  .collage-1, .collage-2, .collage-3, .collage-4, .collage-5, .collage-6 { grid-column: auto / span 3; grid-row: span 4; margin-top: 0; }
  .product-grid, .package-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card { grid-template-columns: 1fr; }
  .subcategory-gallery { grid-template-columns: repeat(2, 1fr); }
  .feature-list, .editorial, .footer-grid { grid-template-columns: 1fr; }
  .printing-tech-grid { grid-template-columns: 1fr; }
  .hp-indigo-intro,
  .hp-indigo-samples,
  .hp-indigo-points {
    grid-template-columns: 1fr;
  }
  .showcase-images { margin-top: 28px; }
  .whatsapp-cta { display: block; padding: 34px; }
  .whatsapp-cta .button { margin-top: 18px; }
  .whatsapp-popup { place-items: end center; padding: 14px; }
  .whatsapp-popup-panel { padding: 24px 20px; }
  .footer-bottom { display: block; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .brand { width: min(174px, 48vw); }
  .brand-logo { max-height: 58px; }
  h1 { font-size: 43px; }
  h2 { font-size: 34px; }
  h3 { font-size: 26px; }
  .hero { min-height: 690px; }
  .button-row { display: grid; }
  .button { width: 100%; }
  .masonry-collage { display: block; }
  .collage-card { height: 260px; margin-bottom: 14px; }
  .product-grid, .package-grid, .gallery-grid, .mini-gallery, .showcase-images { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .category-card { padding: 16px; }
  .category-card img { height: 230px; }
  .subcategory-gallery { grid-template-columns: 1fr; }
  .support-page { padding: 54px 0 76px; }
  .support-shell > h1 { font-size: 38px; }
  .support-accordion summary { min-height: 58px; font-size: 16px; }
  .support-contact-card { grid-template-columns: 1fr; padding: 20px; }
  .support-intro { margin-top: 48px; }
  blockquote { min-width: 86vw; font-size: 24px; padding: 22px; }
  .contact-form, .contact-panel { padding: 20px; }
  .printing-tech-page { padding: 54px 0 76px; }
  .printing-tech-card-body { padding: 22px 20px 26px; }
  .hp-indigo-hero img { aspect-ratio: 4 / 3; }
  .hp-indigo-copy h1 { font-size: 43px; }
  .hp-indigo-intro { margin-top: 48px; }
  .hp-indigo-sample div,
  .hp-indigo-points div { padding: 20px; }
}