.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}
.hero-video[hidden] { display: none; }
.hero-video-active .hero-picture { visibility: hidden; }
@media (max-width: 640px) {
  .hero-video { object-position: 66% center; opacity: .96; }
}