:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1d1d1f;
  --secondary: #6c6c70;
  --rule: #d2d2d7;
  --link: #0066cc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050505;
    --text: #f5f5f7;
    --secondary: #a1a1a6;
    --rule: #38383a;
    --link: #4aa3ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
a { color: var(--link); }
main { max-width: 680px; margin: 0 auto; padding: 48px 20px 64px; }
header.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
header.brand a { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; font-weight: 600; font-size: 1.1rem; }
header.brand img { width: 36px; height: 36px; border-radius: 8px; }
h1 { font-size: 2.4rem; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 40px 0 8px; }
p, li { color: var(--text); }
.meta { color: var(--secondary); margin-top: 0; }
ul { padding-left: 1.2em; }
li { margin: 6px 0; }
footer { border-top: 1px solid var(--rule); margin-top: 56px; padding-top: 20px; color: var(--secondary); font-size: 0.9rem; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 8px; }

/* Home */
.hero { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 48px 20px; background: #050505; color: #f5f5f7; }
.hero img { width: min(240px, 60vw); height: auto; border-radius: 22.5%; }
.hero h1 { font-size: clamp(2.6rem, 9vw, 4.5rem); margin: 32px 0 8px; }
.hero p { color: #a1a1a6; font-size: 1.3rem; margin: 0; }
.hero nav { margin-top: 48px; display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.hero nav a { color: #a1a1a6; }