:root {
  --bg: #070b14;
  --panel: #0e1626;
  --line: #1d2b45;
  --text: #dfe7f5;
  --muted: #93a3bd;
  --accent: #1ca4fc;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 28px; display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
header a.brand { color: #fff; font-weight: 800; font-size: 24px; letter-spacing: 0.5px; text-decoration: none; }
nav { display: flex; gap: 14px; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--accent); }
main { padding-top: 12px; padding-bottom: 40px; }
h1 { font-size: 28px; line-height: 1.25; margin: 18px 0 4px; }
h2 { font-size: 19px; margin: 30px 0 6px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin: 16px 0; }
footer { border-top: 1px solid var(--line); padding-top: 14px; padding-bottom: 30px; color: var(--muted); font-size: 14px; }