:root {
  --bg: #f8fafc;
  --fg: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #4f46e5;
  --accent: #0d9488;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --fg: #f1f5f9;
    --muted: #94a3b8;
    --border: #1e293b;
    --primary: #818cf8;
    --accent: #2dd4bf;
    --card: #111a2e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); font-weight: 600; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
header.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 24px 0; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand span { font-size: 24px; font-weight: 900; letter-spacing: -0.02em; }
nav.site a {
  margin-left: 20px; font-size: 15px; font-weight: 600;
  color: var(--muted); text-decoration: none;
}
nav.site a:hover { color: var(--fg); }
h1 { font-size: clamp(32px, 6vw, 46px); line-height: 1.08; letter-spacing: -0.03em; font-weight: 900; margin: 32px 0 8px; }
h2 { font-size: 23px; letter-spacing: -0.02em; font-weight: 800; margin: 40px 0 10px; }
h3 { font-size: 17px; font-weight: 800; margin: 26px 0 6px; }
p, li { color: var(--muted); }
h1 + p.lede { font-size: 19px; color: var(--muted); margin-top: 0; }
ul { padding-left: 22px; }
li { margin: 8px 0; }
strong { color: var(--fg); font-weight: 700; }
.updated { font-size: 14px; color: var(--muted); margin-top: 0; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 22px 24px; margin: 24px 0;
}
.langs { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.langs li {
  margin: 0; padding: 6px 12px; border: 1px solid var(--border);
  border-radius: 999px; background: var(--card); font-size: 14px;
  font-weight: 600; color: var(--fg);
}
.features { display: grid; gap: 18px; grid-template-columns: 1fr; margin-top: 28px; }
@media (min-width: 620px) { .features { grid-template-columns: 1fr 1fr; } }
.feature { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px 22px; }
.feature h3 { margin-top: 0; }
.feature p { margin-bottom: 0; font-size: 15px; }
footer.site {
  margin-top: 64px; padding: 28px 0 44px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 14px; display: flex; gap: 18px;
  flex-wrap: wrap; align-items: center; justify-content: space-between;
}
footer.site a { color: var(--muted); text-decoration: none; margin-right: 16px; }
footer.site a:hover { color: var(--fg); }
.mail { font-weight: 700; }