:root {
  --bg: #fafaf7;
  --text: #1d1d1f;
  --muted: #6b6b76;
  --brand: #2a7c5f;
  --brand-soft: #e3f0ea;
  --border: #e0e0d8;
  --quote-bg: #f3efe8;
  --quote-border: #c4a878;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

header {
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  background: #fff;
}

header .brand {
  font-weight: 800;
  color: var(--brand);
  text-decoration: none;
  font-size: 20px;
  letter-spacing: -0.01em;
}

header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-left: auto;
  font-size: 14px;
}

header nav a {
  color: var(--muted);
  text-decoration: none;
}

header nav a:hover {
  color: var(--brand);
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

h1 {
  font-size: 32px;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

h2 {
  font-size: 20px;
  margin: 32px 0 8px;
  letter-spacing: -0.005em;
}

p, blockquote, ul {
  margin: 0 0 14px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

blockquote {
  background: var(--brand-soft);
  border-left: 4px solid var(--brand);
  padding: 14px 18px;
  border-radius: 4px;
  margin: 16px 0;
}

ul.doc-list {
  list-style: none;
  padding: 0;
  margin: 16px 0;
}

ul.doc-list li {
  margin-bottom: 14px;
}

ul.doc-list a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  text-decoration: none;
  transition: border-color .15s ease;
}

ul.doc-list a:hover {
  border-color: var(--brand);
}

ul.doc-list a span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
}

a {
  color: var(--brand);
}

footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

footer p { margin: 4px 0; }

footer a { color: var(--muted); }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181a;
    --text: #f1efe6;
    --muted: #9b9b9b;
    --brand: #6cc09a;
    --brand-soft: #1f3a31;
    --border: #2a2c2e;
    --quote-bg: #20221f;
    --quote-border: #6cc09a;
  }
  header { background: #1c1e21; }
  ul.doc-list a { background: #1c1e21; }
}