:root {
  --fg: #1e293b;
  --muted: #64748b;
  --bg: #ffffff;
  --accent: #2563eb;
  --border: #e2e8f0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e2e8f0;
    --muted: #94a3b8;
    --bg: #0f172a;
    --border: #1e293b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 820px;
  margin: 0 auto;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
  color: var(--fg);
  text-decoration: none;
}
.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
}
.site-header nav a:hover { color: var(--accent); }

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 36px 20px 56px;
}

/* Landing */
.home { text-align: center; padding-top: 56px; }
.home h1 { font-size: 40px; letter-spacing: -1px; margin: 0 0 14px; }
.tagline { font-size: 18px; color: var(--muted); max-width: 560px; margin: 0 auto 10px; }
.muted { color: var(--muted); font-size: 14px; }

/* Legal documents */
.doc h1 { font-size: 30px; letter-spacing: -0.6px; margin: 0 0 4px; }
.doc h2 { font-size: 19px; margin: 34px 0 10px; }
.doc .effective { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.doc p { margin: 0 0 14px; }
.doc ul { margin: 0 0 14px; padding-left: 22px; }
.doc li { margin-bottom: 8px; }

.site-footer { border-top: 1px solid var(--border); }
.site-footer p {
  max-width: 820px;
  margin: 0 auto;
  padding: 22px 20px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}