@media (max-width: 1024px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .content-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; padding: 10px; }
  .nav-toggle span { display: block; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .2s, opacity .2s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: absolute; top: 72px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--grey-2); box-shadow: var(--shadow); display: none; }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; padding: 12px 16px 20px; }
  .site-nav a { padding: 12px 16px; border-radius: 10px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse > :first-child { order: 0; }
  .card-grid.three { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .cookie-banner { flex-direction: column; align-items: stretch; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .card-grid.four { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { min-height: 80vh; }
  .hero-content { padding-bottom: 64px; }
  .btn-row .btn { width: 100%; }
  .form-card { padding: 24px; }
  .cookie-banner { left: 10px; right: 10px; bottom: 10px; padding: 18px; }
  .cookie-actions .btn { flex: 1 1 100%; }
  .brand-text small { display: none; }
}