:root {
  color-scheme: light dark;
  --background: #f6f5f1;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #69665f;
  --border: #e2dfd8;
  --accent: #2d5b4e;
  --accent-soft: rgba(45, 91, 78, 0.08);
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #151514;
    --surface: #1e1e1c;
    --text: #ebe9e4;
    --muted: #a29f97;
    --border: #34332f;
    --accent: #8cc5b1;
    --accent-soft: rgba(140, 197, 177, 0.1);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

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

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-head {
  border-bottom: 1px solid var(--border);
}

.site-head__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 18px;
}

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

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.doc-head {
  padding: 48px 0 8px;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.15;
}

h2 {
  margin: 40px 0 12px;
  font-size: 1.35rem;
  line-height: 1.3;
}

.lede {
  margin: 0;
  font-size: 1.15rem;
  color: var(--muted);
}

.meta {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.summary {
  margin: 32px 0 0;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.summary strong {
  display: block;
  margin-bottom: 4px;
}

ul,
ol {
  padding-left: 1.3em;
}

li + li {
  margin-top: 6px;
}

.card {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card ol {
  margin: 0;
}

details {
  border-bottom: 1px solid var(--border);
}

summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 600;
}

details p {
  margin: 0 0 16px;
  color: var(--muted);
}

.contact {
  margin: 40px 0 0;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.contact h2 {
  margin-top: 0;
}

.site-foot {
  margin-top: 56px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}

.site-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 8px;
}