:root {
  color-scheme: dark;
  --background: #0d100f;
  --surface: #181d1b;
  --text: #f5f6f5;
  --muted: #a8b0ac;
  --accent: #b8f57b;
  --line: #303733;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 50% 0%, #1a2a20, var(--background) 32rem);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.62;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0 88px;
}

header, section {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(24px, 5vw, 42px);
  margin-bottom: 18px;
}

h1, h2 { line-height: 1.2; }
h1 { margin: 0 0 12px; font-size: clamp(2rem, 7vw, 3.4rem); }
h2 { margin: 0 0 12px; font-size: 1.35rem; }
p, ul { margin: 0 0 14px; }
p:last-child, ul:last-child { margin-bottom: 0; }

.brand, a { color: var(--accent); }
.brand { font-weight: 700; letter-spacing: .04em; }
.meta, .language-nav { color: var(--muted); }
.language-nav a { margin-right: 14px; white-space: nowrap; }

code {
  background: #252b28;
  border-radius: 6px;
  padding: .12rem .35rem;
}

footer {
  color: var(--muted);
  padding: 14px 4px 0;
  text-align: center;
}