html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: #76d4e3;
}

#intro {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #76d4e3;
  transition: opacity 0.5s ease;
}

#intro.hidden {
  opacity: 0;
  pointer-events: none;
}

#logo-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #76d4e3;
  opacity: 0;
  transition: opacity 0.5s ease;
}

#logo-screen.visible {
  opacity: 1;
}

#logo-screen img {
  width: 70vw;
  max-width: 480px;
}

@media (orientation: landscape) {
  #logo-screen img {
    width: 40vh;
    max-width: 480px;
  }
}