:root {
  color-scheme: dark;
  --bg: #1a1a2e;
  --card: #16213e;
  --text: #ddd;
  --muted: #888;
  --accent: #6c63ff;
  --rule: #2a2a3e;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site {
  padding: 24px 24px 0;
  max-width: 720px;
  margin: 0 auto;
}
header.site .brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 22px; font-weight: 800; color: #fff; letter-spacing: -0.5px;
  text-decoration: none;
}
header.site .brand img { width: 32px; height: 32px; display: block; }
.hero-logo {
  display: block;
  width: 96px; height: 96px;
  margin: 24px 0 16px;
}
header.site nav { margin-top: 6px; font-size: 14px; color: var(--muted); }
header.site nav a { margin-right: 14px; }
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}
main h1 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin: 16px 0 4px;
  letter-spacing: -0.5px;
}
main h2 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 32px 0 8px;
}
main h3 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin: 20px 0 6px;
}
main p { margin: 0 0 12px; }
main ul { padding-left: 20px; margin: 0 0 12px; }
main li { margin-bottom: 4px; }
main strong { color: #fff; }
.muted { color: var(--muted); font-size: 13px; }
.rule { border: 0; border-top: 1px solid var(--rule); margin: 32px 0; }
footer.site {
  max-width: 720px;
  margin: 24px auto 48px;
  padding: 16px 24px;
  font-size: 12px;
  color: var(--muted);
}