:root {
  --canvas: #f3f5f1;
  --surface: #ffffff;
  --ink: #18231e;
  --ink-muted: #5c6a62;
  --line: #e6ebe5;
  --forest: #193d31;
  --accent: #c8ee75;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #111714;
    --surface: #19221d;
    --ink: #ecf2e9;
    --ink-muted: #abb7ad;
    --line: #2c3931;
    --forest: #c8ee75;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 16px/1.65 var(--font); }
a { color: var(--forest); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav a { margin-left: 16px; color: var(--ink-muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }
main { padding-block: 48px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 22px; margin: 40px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 4px; }
.lead { font-size: 19px; color: var(--ink-muted); }
.meta { color: var(--ink-muted); font-size: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px 24px; margin: 16px 0; }
.steps { padding-left: 20px; }
.steps li { margin-bottom: 8px; }
footer.site { border-top: 1px solid var(--line); padding-block: 24px; color: var(--ink-muted); font-size: 14px; }
footer.site a { color: var(--ink-muted); margin-right: 16px; }