:root {
  --brand: #208aef;
  --bg: #ffffff;
  --fg: #12161c;
  --muted: #5c6674;
  --rule: #e4e8ee;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116;
    --fg: #f2f5f9;
    --muted: #98a3b3;
    --rule: #232a34;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 9vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brand);
}

.tagline {
  font-size: 1.25rem;
  color: var(--fg);
  max-width: 30rem;
}

.soon {
  color: var(--muted);
  font-size: 0.95rem;
}

h2 {
  margin-top: 2.5rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.doc {
  color: var(--fg);
}

.doc .updated {
  color: var(--muted);
  font-size: 0.9rem;
}

.doc a {
  color: var(--brand);
}

.notice {
  border-left: 3px solid var(--brand);
  padding: 0.75rem 1rem;
  background: color-mix(in srgb, var(--brand) 8%, transparent);
  border-radius: 0 6px 6px 0;
}

.foot {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.foot a {
  color: var(--muted);
  text-decoration: none;
}

.foot a:hover {
  color: var(--brand);
}

.copy {
  color: var(--muted);
  font-size: 0.85rem;
}

.back {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--muted);
  text-decoration: none;
}

.back:hover {
  color: var(--brand);
}