.model-silhouette {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  /* Fade in/out smoothly when the toggle flips. */
  animation: model-fade-in 0.32s ease-out;
}

@keyframes model-fade-in {
  from { opacity: 0; transform: scale(0.985); }
  to   { opacity: 1; transform: scale(1); }
}
