@media (max-width: 1100px) {
  :root { --header-offset: 92px; }
  .container { width: min(calc(100% - 34px), var(--container)); }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .mobile-menu { display: block; }
  .header-inner { min-height: 76px; }
  .brand img { width: 122px; max-height: 64px; }
  .hero { min-height: auto; padding: 72px 0 78px; }
  .hero-grid { gap: 36px; }
  .hero-badge { left: -10px; bottom: 30px; }
  .hero-seal { right: -8px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-cell:nth-child(2) { border-right: 0; }
  .trust-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .story-grid, .split-grid { gap: 46px; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .process-line { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .process-line::before { display: none; }
  .use-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .section { padding: 84px 0; }
  .section-sm { padding: 62px 0; }
  .topbar-note { display: none; }
  .hero-grid, .story-grid, .split-grid, .spotlight-grid, .showcase-grid, .form-layout, .cta-panel-grid, .coverage-box { grid-template-columns: 1fr; }
  .hero-copy { max-width: 700px; }
  .hero-visual { max-width: 610px; margin: 18px auto 0; }
  .hero-image-frame img { max-height: 680px; }
  .hero-seal { right: 2%; top: 30px; }
  .story-grid .image-composition { order: -1; max-width: 620px; margin-inline: auto; }
  .category-card:nth-child(n) { grid-column: span 6; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.14); }
  .cta-panel-actions { justify-content: flex-start; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .policy-wrap { grid-template-columns: 1fr; }
  .policy-nav { position: static; display: flex; flex-wrap: wrap; gap: 8px 16px; }
  .policy-nav strong { width: 100%; }
  .policy-nav a { padding: 4px 0; }
}

@media (max-width: 700px) {
  :root { --header-offset: 82px; }
  .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
  .topbar-inner { min-height: 34px; justify-content: center; }
  .topbar-list { gap: 14px; justify-content: center; }
  .topbar-item.address { display: none; }
  .header-inner { min-height: 70px; }
  .brand img { width: 108px; max-height: 58px; }
  .menu-toggle { width: 46px; height: 46px; }
  .mobile-menu { padding-top: 96px; }
  .section { padding: 68px 0; }
  .section-sm { padding: 50px 0; }
  .section-head { display: block; margin-bottom: 32px; }
  .section-head .section-intro { margin-top: 16px; }
  .section-title { font-size: clamp(2rem, 10vw, 3.2rem); }
  .section-intro { font-size: .98rem; }
  .hero { padding: 54px 0 64px; }
  .hero h1 { font-size: clamp(2.8rem, 15vw, 4.6rem); }
  .hero-copy { font-size: 1rem; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 10px; }
  .hero-trust-item { width: 100%; }
  .hero-image-frame { padding: 13px; border-radius: 26px 26px 100px 26px; }
  .hero-image-frame img { border-radius: 17px 17px 88px 17px; max-height: 540px; }
  .hero-badge { position: relative; left: auto; bottom: auto; margin: -22px 14px 0; max-width: none; }
  .hero-seal { width: 92px; height: 92px; right: 4px; top: 14px; font-size: .58rem; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-cell { min-height: auto; padding: 20px 6px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-cell:last-child { border-bottom: 0; }
  .story-points, .form-grid, .coverage-list { grid-template-columns: 1fr; }
  .category-grid { gap: 13px; }
  .category-card:nth-child(n) { grid-column: 1 / -1; min-height: 215px; }
  .category-card h3 { margin-top: 38px; }
  .benefit-grid, .values-grid, .gallery-grid { grid-template-columns: 1fr; }
  .benefit-card { min-height: 230px; }
  .metric-band { padding: 38px 0; }
  .metric { padding: 18px 8px; }
  .metric-value { font-size: 2.7rem; }
  .process-line { grid-template-columns: 1fr; gap: 22px; }
  .process-step { display: grid; grid-template-columns: 58px 1fr; gap: 16px; text-align: left; padding: 0; }
  .process-index { width: 58px; height: 58px; margin: 0; }
  .process-step h3 { margin-top: 5px; }
  .use-grid { grid-template-columns: 1fr; }
  .coverage-box { padding: 22px; }
  .location-card { padding: 22px; }
  .cta-panel { padding: 34px 22px; border-radius: 24px; }
  .cta-panel-actions .btn { width: 100%; }
  .contact-aside, .enquiry-form { padding: 22px; border-radius: 20px; }
  .form-actions .btn { width: 100%; }
  .page-hero { padding: 68px 0 56px; }
  .page-hero h1 { font-size: clamp(2.7rem, 14vw, 4.4rem); }
  .page-hero .hero-mini-actions .btn { width: 100%; }
  .product-detail-card { padding: 22px; }
  .timeline::before { left: 25px; }
  .timeline-item { grid-template-columns: 52px 1fr; gap: 12px; }
  .timeline-dot { width: 52px; height: 52px; border-width: 5px; }
  .timeline-card { padding: 20px; }
  .gallery-item { padding: 11px; }
  .footer-main { padding: 58px 0 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > :last-child { grid-column: 1 / -1; }
  .footer-bottom-inner { display: block; text-align: center; }
  .footer-legal { justify-content: center; margin-top: 9px; }
  .float-btn { width: 52px; height: 52px; }
  .floating-actions { right: 14px; bottom: max(18px, env(safe-area-inset-bottom)); }
  .back-to-top { left: 14px; bottom: max(18px, env(safe-area-inset-bottom)); }
  .float-tooltip { display: none; }
}

@media (max-width: 430px) {
  .container, .narrow { width: min(calc(100% - 24px), var(--container)); }
  .topbar-item:nth-child(2) { display: none; }
  .header-inner { gap: 12px; }
  .brand img { width: 98px; }
  .hero h1 { font-size: clamp(2.55rem, 14.2vw, 3.8rem); }
  .hero-seal { width: 82px; height: 82px; padding: 12px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .metric:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand, .footer-grid > :last-child { grid-column: auto; }
  .policy-nav { display: block; }
}