:root {
  --ctp-crust: #11111b;
  --ctp-mantle: #181825;
  --ctp-base: #1e1e2e;
  --ctp-surface0: #313244;
  --ctp-overlay0: #6c7086;
  --ctp-subtext0: #a6adc8;
  --ctp-subtext1: #bac2de;
  --ctp-text: #cdd6f4;
  --ctp-pink: #f5c2e7;
  --ctp-mauve: #cba6f7;
  --ctp-flamingo: #f2cdcd;

  --bg: var(--ctp-crust);
  --text: var(--ctp-text);
  --muted: var(--ctp-subtext0);
  --accent: var(--ctp-pink);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  height: 100%;
}

body {
  font-family: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

.page {
  position: relative;
  isolation: isolate;
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
}

.page::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: -2;
  background:
    radial-gradient(ellipse 55% 45% at 18% 22%, color-mix(in srgb, var(--ctp-pink) 28%, transparent), transparent 70%),
    radial-gradient(ellipse 50% 40% at 82% 78%, color-mix(in srgb, var(--ctp-mauve) 22%, transparent), transparent 68%),
    radial-gradient(ellipse 40% 35% at 70% 18%, color-mix(in srgb, var(--ctp-flamingo) 12%, transparent), transparent 65%),
    linear-gradient(160deg, var(--ctp-crust) 0%, var(--ctp-mantle) 48%, var(--ctp-base) 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

.page::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

@keyframes drift {
  from {
    transform: translate3d(-1.5%, -1%, 0) scale(1.02);
  }
  to {
    transform: translate3d(1.5%, 1.5%, 0) scale(1.06);
  }
}

.stage {
  text-align: center;
  max-width: 36rem;
}

.mark {
  margin: 0 0 1.75rem;
  font-family: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  font-size: clamp(0.8rem, 1.6vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  animation: rise 0.9s ease forwards 0.1s;
}

.headline {
  margin: 0;
  font-size: clamp(3.2rem, 12vw, 6.5rem);
  font-weight: 500;
  font-variation-settings: "SOFT" 50, "WONK" 1;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--text);
  opacity: 0;
  animation: rise 1s ease forwards 0.28s;
}

.sub {
  margin: 1.35rem 0 0;
  font-family: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  font-size: clamp(0.85rem, 1.8vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
  opacity: 0;
  animation: rise 1s ease forwards 0.48s;
}

.pulse {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  animation: ping 2.2s ease-out infinite;
  vertical-align: middle;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.1rem);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes ping {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent);
  }
  70% {
    box-shadow: 0 0 0 12px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

/* 404 */
.code {
  margin: 0 0 0.35rem;
  font-family: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  font-size: clamp(4.5rem, 18vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.9;
  background: linear-gradient(135deg, var(--ctp-pink), var(--ctp-mauve));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0;
  animation: rise 0.9s ease forwards 0.12s;
}

.home-link {
  display: inline-flex;
  margin-top: 2rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-family: "Syne", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0;
  animation: rise 1s ease forwards 0.55s;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.home-link:hover {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  border-color: var(--accent);
  color: var(--ctp-text);
}

.home-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page::before,
  .pulse,
  .mark,
  .headline,
  .sub,
  .code,
  .home-link {
    animation: none !important;
    opacity: 1;
    transform: none;
    filter: none;
  }
}