html, body {
  height: 100%;
}

body {
  margin: 0;
  background: #000000;
  color: #fff;
}

#page-preloader {
  position: fixed;
  inset: 0;
  background: #000000;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease;
}

#page-preloader__spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: #ffffff;
  animation: preloader-spin 0.8s linear infinite;
}

@keyframes preloader-spin {
  to {
    transform: rotate(360deg);
  }
}

#vanta-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.8s ease;
}

#vanta-bg.vanta-ready {
  opacity: 1;
}