:root {
  color-scheme: dark;
  --background: #0b1120;
  --surface: #111827;
  --border: #25324a;
  --text: #e5edf8;
  --muted: #9fb0c8;
  --accent: #22d3ee;
  --link: #67e8f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #13233d 0, var(--background) 34rem);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

main {
  width: min(900px, calc(100% - 32px));
  margin: 48px auto;
}

article {
  padding: clamp(24px, 5vw, 56px);
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgb(0 0 0 / 30%);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

nav a {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
}

h1,
h2 {
  line-height: 1.2;
}

h1 {
  margin-top: 0;
  font-size: clamp(2rem, 6vw, 3.5rem);
}

h2 {
  margin-top: 2.2rem;
  color: var(--accent);
}

p,
li {
  color: var(--muted);
}

strong {
  color: var(--text);
}

a {
  color: var(--link);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.updated {
  margin-bottom: 2rem;
  font-size: 0.92rem;
}

.notice {
  padding: 16px 18px;
  background: rgb(34 211 238 / 8%);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
}

footer {
  padding: 24px 0 8px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}