body {
  margin: 0;
  padding: 0;
  background-color: #000;
  overflow: hidden;
}

.bg-video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

/* Show only mobile video on small screens */
@media (max-width: 768px) {
  #desktopVideo {
    display: none;
  }
}

/* Show only desktop video on larger screens */
@media (min-width: 769px) {
  #mobileVideo {
    display: none;
  }
}