/* ── 3D Helmet — fixed left overlay ───────────── */

.keychain-3d {
  position: fixed;
  left: 0;
  top: 120px;
  width: 200px;
  height: 200px;
  z-index: 1000;
  pointer-events: none;
}

.keychain-3d model-viewer {
  width: 100%;
  height: 100%;
  background-color: transparent;
  --poster-color: transparent;
  pointer-events: auto;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.keychain-3d model-viewer.is-ready {
  opacity: 1;
}

/* Hide on small screens */
@media (max-width: 767px) {
  .keychain-3d {
    display: none;
  }
}

@media (min-width: 768px) {
  .keychain-3d {
    width: 180px;
    height: 180px;
    left: 8px;
  }
}

@media (min-width: 1200px) {
  .keychain-3d {
    width: 220px;
    height: 220px;
    left: 20px;
  }
}