:root {
  --bg: #0a0f2c;
  --panel: #121a44;
  --text: #f4f6ff;
  --dim: #aab3d8;
  --accent: #5ee6ff;
  --accent2: #a78bfa;
  --border: rgba(255, 255, 255, 0.12);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(ellipse at 20% 0%, #1d2a6b 0%, transparent 55%), radial-gradient(ellipse at 90% 20%, #3a2a7a 0%, transparent 45%), var(--bg);
  min-height: 100vh;
}
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 28px; padding-bottom: 8px; flex-wrap: wrap; }
.brand { font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: -0.3px; }
.brand span { color: var(--accent); }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--dim); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 40px; line-height: 1.12; letter-spacing: -1px; margin: 12px 0 10px; }
h1 .hi { background: linear-gradient(100deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: 22px; margin: 36px 0 8px; }
p, li { color: #dfe4fb; }
a { color: var(--accent); }
.lead { font-size: 20px; color: var(--dim); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 20px 22px; margin: 22px 0; }
.updated { color: var(--dim); font-size: 14px; }
.btn { display: inline-block; background: var(--accent); color: #05060f; font-weight: 800; padding: 12px 22px; border-radius: 999px; text-decoration: none; margin-top: 8px; }
footer { border-top: 1px solid var(--border); padding-top: 18px; padding-bottom: 36px; color: var(--dim); font-size: 14px; }
footer a { color: var(--dim); }
@media (max-width: 520px) { h1 { font-size: 32px; } body { font-size: 16px; } }