:root {
  --bg: #0a0a0a;
  --surface: #161616;
  --text: #f5f5f7;
  --secondary: #a1a1a6;
  --accent: #ffaa50;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 680px; margin: 0 auto; padding: 56px 20px 80px; }
header { text-align: center; margin-bottom: 40px; }
.glow {
  width: 120px; height: 120px; margin: 0 auto 20px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,170,80,.75) 0%, rgba(255,170,80,.18) 45%, transparent 70%);
  display: grid; place-items: center; font-size: 44px;
}
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, li { color: var(--secondary); }
strong { color: var(--text); }
.subtitle { color: var(--secondary); margin: 0; }
.card { background: var(--surface); border-radius: 18px; padding: 20px 22px; margin: 16px 0; }
.card p:first-child { margin-top: 0; } .card p:last-child { margin-bottom: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
nav { text-align: center; margin-top: 48px; font-size: 15px; }
nav a { margin: 0 10px; }
.updated { font-size: 14px; }
footer { text-align: center; color: #6e6e73; font-size: 13px; margin-top: 24px; }