* { box-sizing: border-box; }
:root {
  --bg: #0a0a0b;
  --bg2: #131316;
  --border: #2a2a32;
  --text: #e4e4e7;
  --muted: #a1a1aa;
  --accent: #3bdb78;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
  margin: 0;
}
a { color: var(--accent); }
nav { border-bottom: 1px solid var(--border); }
.nav-inner, main, footer { max-width: 860px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.nav-inner { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; padding-bottom: 16px; }
.logo { color: var(--text); font-weight: 700; text-decoration: none; }
.nav-links { display: flex; gap: 20px; }
.nav-links a { color: var(--muted); font-size: 14px; }
main { padding-top: 64px; padding-bottom: 80px; }
.crumb { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; margin-bottom: 24px; }
h1 { font-size: 42px; letter-spacing: -0.03em; line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 22px; margin: 40px 0 10px; }
p, li { color: #c9c9d1; }
.lede { color: var(--muted); font-size: 18px; }
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 14px; margin-top: 32px; padding: 26px; }
.card h2 { margin-top: 0; }
.btn { background: var(--accent); border-radius: 9px; color: #07120b; display: inline-block; font-weight: 650; margin: 10px 8px 0 0; padding: 10px 18px; text-decoration: none; }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 13.5px; padding-top: 28px; padding-bottom: 28px; text-align: center; }
@media (max-width: 640px) { h1 { font-size: 32px; } .nav-links { gap: 10px; } main { padding-top: 40px; } }