:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --text: #141a16;
  --muted: #5b655e;
  --line: #dfe4de;
  --accent: #2f8f3e;
  --accent-soft: #e3f2e5;
  --radius: 16px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d110e;
    --surface: #151b17;
    --text: #e9eee9;
    --muted: #97a39a;
    --line: #253029;
    --accent: #3fb950;
    --accent-soft: #17301d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

header.site { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .01em; }
.brand img { width: 32px; height: 32px; }
nav.site a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav.site a:hover { color: var(--text); }

.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(36px, 7vw, 60px); line-height: 1.05; margin: 0 0 18px; letter-spacing: -.02em; }
.hero p.lead { font-size: clamp(18px, 2.4vw, 21px); color: var(--muted); max-width: 36em; margin: 0 0 28px; }
.badge { display: inline-block; padding: 10px 16px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 15px; }

.grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 24px 0 56px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h2 { font-size: 17px; margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

section.privacy { border-top: 1px solid var(--line); padding: 44px 0; }
section.privacy h2 { margin: 0 0 12px; font-size: 26px; }
section.privacy ul { padding-left: 20px; margin: 0 0 16px; }

article.doc { padding: 24px 0 56px; max-width: 42em; }
article.doc h1 { font-size: 36px; line-height: 1.15; margin: 8px 0 6px; }
article.doc h2 { font-size: 21px; margin: 32px 0 8px; }
.meta { color: var(--muted); font-size: 15px; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.scroll { overflow-x: auto; }

footer.site { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer.site p { margin: 4px 0; }