@media (max-width: 920px) {
  .menu-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    right: 14px;
    left: 14px;
    flex-direction: column;
    align-items: stretch;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: var(--shadow-soft);
  }
  .main-nav.open { display: flex; }
  .hero, .form-layout, .text-grid { grid-template-columns: 1fr; }
  .card-grid.four, .card-grid.three, .steps, .trust-box, .topic-list, .footer-grid { grid-template-columns: 1fr; }
  .contact-strip, .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .site-header { margin: 10px; top: 8px; }
  main { padding-left: 10px; padding-right: 10px; }
  .section-panel, .contact-strip, .page-hero { border-radius: 22px; padding: 24px; }
  .two-cols { grid-template-columns: 1fr; }
  .clean-list { columns: 1; }
}