:root {
  --canvas: #101D32;
  --surface: #172B45;
  --ink: #F3F6FF;
  --muted: #A9B6D3;
  --accent: #B7CAFF;
  --border: rgba(183, 202, 255, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--canvas); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }

header {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 28px; padding-bottom: 28px;
}

.wordmark { font-weight: 900; font-size: 24px; letter-spacing: 0.06em; color: var(--ink); text-decoration: none; }
.wordmark span { color: var(--accent); }

nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--ink); }

.hero { padding: 48px 0 32px; }
.kicker { color: var(--accent); font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; font-size: 13px; }
h1 { font-size: clamp(36px, 8vw, 60px); line-height: 1.05; letter-spacing: -0.02em; margin: 12px 0 18px; font-weight: 800; }
h1 em { font-style: normal; color: var(--accent); }
.lede { color: var(--muted); font-size: 19px; max-width: 560px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin: 40px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 20px; }
.card strong { display: block; font-size: 28px; color: var(--accent); }
.card p { color: var(--muted); font-size: 15px; }

.doc h1 { font-size: 40px; margin-top: 24px; }
.doc .updated { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.doc h2 { font-size: 20px; margin: 32px 0 8px; }
.doc p, .doc li { color: #D7DEEF; margin-bottom: 12px; }
.doc ul { padding-left: 22px; }
.doc .summary { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; }

footer {
  margin-top: 64px; padding-top: 24px; padding-bottom: 40px;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 14px;
  display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between;
}
footer a { color: var(--muted); text-decoration: none; margin-right: 16px; }