:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2230;
  --border: #283041;
  --text: #e6edf3;
  --muted: #9aa7b4;
  --teal: #2bb8a3;
  --teal-bright: #46d4bd;
  --blue: #4b8bf4;
  --radius: 16px;
  --maxw: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -10%, #15314a33, transparent), var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header / brand */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.mark { width: 34px; height: 34px; display: block; }
.nav a { color: var(--muted); margin-left: 20px; font-size: .95rem; }
.nav a:hover { color: var(--text); }

/* Hero */
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.1; margin: 0 0 16px; letter-spacing: -.02em; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 560px; margin: 0 auto; }
.badge {
  display: inline-block; margin-bottom: 20px; padding: 6px 14px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--teal-bright);
  font-size: .85rem; font-weight: 600;
}

/* Cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 40px 0; }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: block; padding: 24px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--teal); transform: translateY(-2px); text-decoration: none; }
.card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card .chip { font-size: .8rem; color: var(--teal-bright); font-weight: 600; }

/* Legal pages */
.legal { padding: 40px 0 80px; }
.legal h1 { font-size: 2rem; margin: 0 0 4px; letter-spacing: -.01em; }
.legal .updated { color: var(--muted); font-size: .9rem; margin-bottom: 32px; }
.legal h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.legal h3 { font-size: 1.05rem; margin: 24px 0 8px; color: var(--text); }
.legal p, .legal li { color: #cdd7e1; }
.legal ul { padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal .lede { font-size: 1.08rem; color: var(--text); }
.callout {
  background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--teal);
  border-radius: 10px; padding: 14px 18px; margin: 20px 0; color: var(--text);
}
.back { display: inline-block; margin-bottom: 24px; color: var(--muted); font-size: .9rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }