:root {
  --bg0: #020409;
  --bg1: #070a10;
  --bg2: #091222;
  --fg0: rgba(246, 248, 255, 0.92);
  --fg1: rgba(232, 240, 255, 0.62);
  --fg2: rgba(232, 240, 255, 0.30);
}

html,
body {
  height: 100%;
  width: 100%;
}

html {
  background-color: var(--bg0);
  background: radial-gradient(120% 110% at 50% 20%, var(--bg2) 0%, var(--bg1) 48%, var(--bg0) 100%);
}

body {
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  min-height: 100vh;
  min-height: 100dvh;
  background: radial-gradient(120% 110% at 50% 20%, var(--bg2) 0%, var(--bg1) 48%, var(--bg0) 100%);
  color: var(--fg0);
  font-family: ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "SF Pro Display", "Segoe UI", Inter,
    Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  display: block;
  z-index: 0;
}

.fallback-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(100% 120% at 50% 30%, rgba(56, 110, 160, 0.12) 0%, rgba(10, 15, 25, 0) 62%),
    radial-gradient(160% 140% at 20% 80%, rgba(38, 70, 90, 0.08) 0%, rgba(2, 4, 9, 0) 60%),
    radial-gradient(120% 110% at 50% 20%, var(--bg2) 0%, var(--bg1) 48%, var(--bg0) 100%);
  opacity: 0;
  transition: opacity 260ms ease;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image: url("./assets/noise.svg");
  background-repeat: repeat;
  background-size: 260px 260px;
  opacity: 0.055;
  mix-blend-mode: overlay;
}

.center {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2.25rem 1.5rem;
  padding: calc(2.25rem + constant(safe-area-inset-top)) calc(1.5rem + constant(safe-area-inset-right))
    calc(2.25rem + constant(safe-area-inset-bottom)) calc(1.5rem + constant(safe-area-inset-left));
  padding: calc(2.25rem + env(safe-area-inset-top)) calc(1.5rem + env(safe-area-inset-right))
    calc(2.25rem + env(safe-area-inset-bottom)) calc(1.5rem + env(safe-area-inset-left));
}

.center::before {
  content: "";
  position: absolute;
  inset: -40vmin;
  background: radial-gradient(circle at 50% 50%, rgba(2, 4, 9, 0.76) 0%, rgba(2, 4, 9, 0.22) 46%,
      rgba(2, 4, 9, 0) 70%);
  filter: blur(12px);
  z-index: -1;
}

.title {
  margin: 0;
  font-size: clamp(2.25rem, 5.5vw, 4.6rem);
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  font-weight: 520;
  line-height: 1.05;
  text-rendering: geometricPrecision;
}

.subtitle {
  margin: 1.1rem 0 0;
  font-size: clamp(0.98rem, 1.4vw, 1.1rem);
  letter-spacing: 0.04em;
  color: var(--fg1);
}

.etymology {
  margin: 1.25rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fg2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  user-select: none;
}

body.no-webgl .fallback-bg {
  opacity: 1;
}

body.no-webgl #bg {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .grain {
    opacity: 0.03;
  }
}