:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --panel: #14171f;
  --line: #262a35;
  --text: #e6e7ea;
  --muted: #9a9da5;
  --mint: #2fd98a;
  --blue: #4c7dff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 70% -10%, #17324a 0%, transparent 60%), var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}
a { color: var(--mint); }
a:hover { color: #6ff0b2; }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }
header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
header.site a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; display: flex; align-items: center; gap: 10px; }
header.site img { width: 40px; height: 40px; }
header.site nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
header.site nav a { color: var(--muted); font-weight: 500; }
h1 { font-size: clamp(34px, 7vw, 54px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
p, li { color: #cfd1d6; }
.lede { font-size: 20px; color: var(--muted); }
.hero { display: grid; gap: 28px; align-items: center; grid-template-columns: 1fr; margin: 24px 0 48px; }
@media (min-width: 720px) { .hero { grid-template-columns: 1.3fr 1fr; } }
.hero img { width: 100%; max-width: 320px; justify-self: center; }
.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 18px 18px 6px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0 0 12px; font-size: 15px; color: var(--muted); }
.button { display: inline-block; background: var(--mint); color: #062014; font-weight: 700; padding: 12px 22px; border-radius: 999px; text-decoration: none; }
.button:hover { color: #062014; background: #4ff0a0; }
.note { font-size: 14px; color: var(--muted); border-left: 3px solid var(--line); padding-left: 12px; }
footer.site { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
footer.site a { color: var(--muted); }
body.centered { display: grid; place-items: center; text-align: center; padding: 24px; }
body.centered main { max-width: 420px; }
body.centered h1 { font-size: 30px; }