.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: -100;
  opacity: 0;
  transition: opacity 2s ease;
  pointer-events: none;
}
.bg-video.active {
  opacity: 1;
  z-index: -99;
}
body {
  margin: 0;
  padding: 0;
  background: transparent;
}
.video-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: -98;
  pointer-events: none;
}