:root {
  --ink: #14213D; --body: #4A5568; --bg: #FBFBF8; --card: #FFFFFF;
  --line: #DCE5DF; --accent: #1F7A55; --accent-soft: #E2F0E7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #EEF2EF; --body: #B7C2BC; --bg: #101614; --card: #17201D;
    --line: #2A3631; --accent: #4CC18E; --accent-soft: #1B3328;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--body);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { padding: 24px 0; }
header .wrap { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 800; font-size: 22px; color: var(--ink); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
nav a { margin-left: 18px; color: var(--body); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--accent); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; letter-spacing: -0.02em; }
.hero { padding: 56px 0 40px; }
.hero h1 { font-size: clamp(36px, 7vw, 56px); margin: 0 0 16px; }
.hero p { font-size: 20px; max-width: 34em; margin: 0 0 28px; }
.badge { display: inline-block; background: var(--accent-soft); color: var(--accent); font-weight: 600;
  font-size: 14px; padding: 6px 12px; border-radius: 999px; margin-bottom: 20px; }
.cta { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
  padding: 14px 22px; border-radius: 12px; }
@media (prefers-color-scheme: dark) { .cta { color: #0B1210; } }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; padding: 24px 0 48px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; font-size: 15px; }
.doc { padding-top: 24px; padding-bottom: 56px; }
.doc h1 { font-size: 36px; margin-bottom: 4px; }
.doc .meta { font-size: 14px; margin-top: 0; }
.doc h2 { font-size: 21px; margin-top: 36px; }
.doc li { margin-bottom: 6px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink); }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 14px; }
footer a { color: var(--body); margin-right: 16px; }
@media (max-width: 560px) { header .wrap { flex-wrap: wrap; gap: 8px; } nav { width: 100%; } nav a { margin: 0 16px 0 0; } }