*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
}

#bg, #bg-phone {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#bg-phone { display: none; }

#random-video {
  cursor: pointer;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 400px;
  width: auto;
  max-width: 100vw;
  max-height: 80vh;
}

#overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}

@media (max-width: 768px) {
  #bg { display: none; }
  #bg-phone { display: block; }
  #random-video {
    height: 170px !important;
    width: auto !important;
    max-width: 100vw !important;
    max-height: 170px !important;
    object-fit: contain !important;
  }
}