:root {
  --bg: #fbfbfd;
  --fg: #18181b;
  --muted: #52525b;
  --line: #e4e4e7;
  --accent: #4f46e5;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0c10;
    --fg: #f4f4f5;
    --muted: #a1a1aa;
    --line: #27272a;
    --accent: #a5b4fc;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 16px 80px;
}

header.hero {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

header.hero img { width: 88px; height: 88px; border-radius: 20px; }
h1 { font-size: 36px; line-height: 1.15; margin: 0; }
.tagline { margin: 6px 0 0; color: var(--muted); font-size: 18px; }
h2 { font-size: 20px; margin: 40px 0 8px; }
p, li { color: var(--fg); }
ul { padding-left: 20px; }
li { margin: 6px 0; }
a { color: var(--accent); }
.muted { color: var(--muted); }

nav.top { margin-bottom: 40px; font-size: 15px; }
nav.top a { text-decoration: none; }

footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer a { color: var(--muted); margin-right: 16px; }

ul.downloads { list-style: none; padding: 0; }
ul.downloads li { margin: 0 0 12px; }
code.sha {
  font-size: 12px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

@media (max-width: 480px) {
  header.hero { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 30px; }
}