:root {
  --bg: #0a1424;
  --surface: #111d32;
  --text: #f5f7fa;
  --muted: #8fa3bf;
  --accent: #3d6fb4;
  --danger: #c44040;
  --border: #f5f7fa;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}
body { padding: 32px 20px 64px; }
main { max-width: 720px; margin: 0 auto; }
a { color: var(--accent); }
h1, h2, h3 {
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
h1 { font-size: 2rem; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; border-top: 3px solid var(--border); padding-top: 20px; }
.brand { color: var(--accent); font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 8px; }
.meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 28px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; margin: 28px 0; }
nav a { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; font-weight: 700; }
.note {
  border: 3px solid var(--border);
  padding: 16px 18px;
  background: var(--surface);
}
.danger { border-color: var(--danger); }
ul { padding-left: 1.2rem; }
li { margin: 6px 0; }