.logo-stage--interactive { position: relative; isolation: isolate; }
.logo-scene-canvas { display: block; position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; outline: none; }
.logo-stage--interactive.is-dragging .logo-scene-canvas { cursor: grabbing; }
.logo-scene-fallback { display: block; position: absolute; inset: 3% 1%; width: 98%; height: 94%; object-fit: contain; filter: drop-shadow(0 15px 38px rgba(0,128,255,.16)); }
@media (prefers-reduced-motion: reduce) {
  .logo-scene-canvas, .logo-scene-fallback { animation: none; transition: none; }
}