@media (max-width: 900px) {
  :root { --side: clamp(16px, 4vw, 44px); }
  .card-row { gap: 16px; }
  .tag { font-size: 14px; padding: 6px 12px; }
  .card { padding-top: 48px; }
  .card-image { border-radius: 16px; }
}

@media (max-width: 640px) {
  .card-row { grid-template-columns: 1fr; }
  .cases { gap: 24px; padding-bottom: 100px; }
  .card { padding-top: 32px; }
  .tag { font-size: 12px; padding: 5px 10px; }
  .card-image { border-radius: 16px; aspect-ratio: unset; }
  .card-image img { height: auto; object-fit: unset; }
  .card--full .card-footer { max-width: 100%; }
  .card-tags { top: 12px; left: 12px; right: 12px; gap: 4px; }

  .card-footer h3 { font-size: 24px; line-height: 1.2; letter-spacing: -0.2px; }

  header nav { display: none; }
  #custom-cursor { display: none; }

  .floating-nav {
    display: flex;
    gap: 8px;
    position: fixed;
    bottom: 24px;
    left: 16px;
    right: 16px;
    z-index: 200;
    transition: transform 0.35s ease, opacity 0.35s ease;
  }

  .floating-nav .btn {
    flex: 1;
    padding: 12px 20px;
  }

  .floating-nav.hidden {
    transform: translateY(calc(100% + 32px));
    opacity: 0;
    pointer-events: none;
  }
}