:root {
  --surrounding-dark: #171a1c;
  --focus: #ffffff;
  --focus-dark: #0c2b44;
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--surrounding-dark);
}

.intro-page {
  display: grid;
  min-height: 100dvh;
  place-items: center;
  overflow-x: hidden;
}

.intro-shell {
  position: relative;
  width: min(100vw, calc(100dvh * .5644));
  max-width: 620px;
  overflow: hidden;
  background: #eee4d5;
  box-shadow: 0 0 44px rgba(0, 0, 0, .38);
}

.intro-art,
.intro-art img {
  display: block;
  width: 100%;
  height: auto;
}

.intro-enter,
.intro-direct {
  position: absolute;
  z-index: 2;
  display: block;
  border-radius: 4px;
}

.intro-enter {
  left: 5.5%;
  top: 71.5%;
  width: 89%;
  height: 13%;
}

.intro-direct {
  left: 20%;
  top: 85.2%;
  width: 60%;
  height: 8.5%;
}

.intro-enter:hover,
.intro-direct:hover {
  background: rgba(255, 255, 255, .055);
}

.intro-enter:focus-visible,
.intro-direct:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: -6px;
  box-shadow: 0 0 0 7px var(--focus-dark);
}

@media (min-width: 800px) {
  .intro-page { padding: clamp(18px, 3vw, 48px); }

  .intro-shell {
    width: min(calc(100vw - 36px), calc((100dvh - 36px) * 1.5), 1600px);
    max-width: none;
  }

  .intro-enter {
    left: 9.5%;
    top: 42.5%;
    width: 46%;
    height: 17%;
  }

  .intro-direct {
    left: 19%;
    top: 59.5%;
    width: 27%;
    height: 10%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}