.ambient-section { padding: 3rem 0; }
.ambient-frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #0c1017;
  aspect-ratio: 64 / 27;
  border: 1px solid rgba(255,255,255,.08);
}
.ambient-video {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.ambient-cities .ambient-video { object-fit: contain; }
.ambient-home { padding: 0; }
.ambient-home .ambient-frame {
  aspect-ratio: auto;
  height: clamp(260px, 43.75vw, 560px);
  border-left: 0;
  border-right: 0;
}
.ambient-video::-webkit-media-controls { display: none !important; }
@media (max-width: 700px) {
  .ambient-section { padding: 1.5rem 0; }
  .ambient-home { padding: 0; }
  .ambient-home .ambient-frame { height: auto; aspect-ratio: 16 / 9; }
}


/* Preserve the entire film, including the background screen and closing logo. */
.ambient-home .ambient-video { object-fit: contain; }
.ambient-home .ambient-frame { background: #000; }