:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #16181d;
  --muted: #5f6672;
  --line: #e2e5ea;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --focus: #2563eb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b;
    --panel: #1d2026;
    --text: #e8eaee;
    --muted: #a0a6b1;
    --line: #2d3139;
    --accent: #4f8cff;
    --accent-text: #0b1220;
    --focus: #7aa7ff;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--panel); padding: 4px 8px; }

header.site, main, footer.site { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.site { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
header.site nav { display: flex; flex-wrap: wrap; gap: 16px; }
header.site nav a { text-decoration: none; }
header.site nav a:hover { text-decoration: underline; }

.hero { padding: 48px 0 32px; }
.hero h1 { font-size: clamp(32px, 7vw, 48px); line-height: 1.1; margin: 0 0 8px; }
.tagline { font-size: 20px; color: var(--muted); margin: 0 0 32px; }

.download { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.download .version { margin: 0 0 12px; font-weight: 600; }
.download p { margin: 0 0 12px; }
.button {
  display: inline-block; padding: 12px 22px; border-radius: 8px;
  background: var(--accent); color: var(--accent-text); font-weight: 600; text-decoration: none;
}
.button:hover { filter: brightness(1.08); }
.download details { margin: 0 0 12px; }
.download summary { cursor: pointer; color: var(--muted); }
.download ul { list-style: none; padding: 0; margin: 8px 0 0; }
.download li a { display: block; padding: 6px 0; overflow-wrap: anywhere; }
.small { font-size: 15px; color: var(--muted); }

.features ul, .prose ul { padding-left: 20px; }
.features li { margin: 6px 0; }
.prose { padding: 32px 0; }
.pages time { color: var(--muted); font-size: 15px; margin-left: 8px; }

footer.site { padding-top: 32px; padding-bottom: 32px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--line); margin-top: 32px; }