.splash {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 600ms ease;
}

.splash.is-active {
  opacity: 1;
  pointer-events: all;
}

.splash__video {
  width: 100%;
  height: 100%;
  object-fit: cover; /* or contain if they want full video visible */
  display: block;
}