:root {
  --bg: #0b0b0d;
  --surface: #17171b;
  --border: #2a2a30;
  --text: #f5f5f7;
  --text-muted: #b8b8c0;
  --text-faint: #7c7c88;
  --primary: #e63946;
  --primary-muted: #3d1a1e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.brand span {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

nav {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

nav a:hover, nav a.active {
  color: var(--text);
  border-color: var(--primary);
}

h1 {
  font-size: 32px;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 20px;
  margin: 40px 0 12px;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

h1 + p.updated {
  color: var(--text-faint);
  font-size: 14px;
  margin: 0 0 32px;
}

p, li {
  color: var(--text-muted);
  font-size: 16px;
}

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

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

ul { padding-left: 20px; }
li { margin-bottom: 6px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 16px;
  text-decoration: none;
  display: block;
}

.card h2 {
  margin: 0 0 6px;
  border: none;
  padding: 0;
  color: var(--text);
}

.card p {
  margin: 0;
  color: var(--text-faint);
  font-size: 14px;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 13px;
}