:root {
  --bg: #fbfaf8; --card: #ffffff; --ink: #1d1d1f; --sub: #6e6e73;
  --line: #e6e3de; --accent: #c2410c; --accent-soft: #fff1e8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111110; --card: #1c1c1b; --ink: #f5f5f4; --sub: #a1a1a6;
          --line: #2e2d2b; --accent: #fb923c; --accent-soft: #2a1a10; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header.site { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 650; font-size: 19px; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
nav a { color: var(--sub); margin-left: 18px; font-size: 15px; }
.hero { padding: 56px 0 40px; }
.hero h1 { font: 700 44px/1.08 -apple-system, "SF Pro Display", "Helvetica Neue", Arial, sans-serif; letter-spacing: -.025em; margin: 0 0 16px; }
.hero p { font-size: 20px; color: var(--sub); margin: 0 0 24px; max-width: 34em; }
.pill { display: inline-block; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 6px 14px; font-size: 14px; font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 8px 0 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--sub); font-size: 15px; }
.doc { padding: 24px 0 48px; }
.doc h1 { font: 700 34px/1.15 -apple-system, "SF Pro Display", "Helvetica Neue", Arial, sans-serif; letter-spacing: -.02em; margin: 16px 0 6px; }
.doc .meta { color: var(--sub); font-size: 15px; margin: 0 0 28px; }
.doc h2 { font-size: 21px; margin: 36px 0 8px; letter-spacing: -.01em; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--sub); font-weight: 600; }
.note { background: var(--accent-soft); border-radius: 12px; padding: 14px 16px; font-size: 15px; }
footer.site { border-top: 1px solid var(--line); padding: 22px 0 40px; color: var(--sub); font-size: 14px; }
footer.site a { color: var(--sub); margin-right: 16px; }
@media (max-width: 560px) {
  .hero { padding: 32px 0 24px; } .hero h1 { font-size: 34px; } .hero p { font-size: 18px; }
  .grid { grid-template-columns: 1fr; } nav a { margin-left: 12px; }
  table, thead, tbody, tr, th, td { display: block; } thead { display: none; }
  td { border: 0; padding: 2px 0; } tr { border-bottom: 1px solid var(--line); padding: 10px 0; }
  td:first-child { font-weight: 600; }
}