:root {
  --primary: #1b4332;
  --background: #f6f4ee;
  --text: #222222;
  --text-muted: #5c6b58;
  --accent: #95a78d;
  --border: #e2dfd6;
  --card: #ffffff;
  --max-width: 42rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--background);
}

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: #0f2a1f;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.site-header__inner {
  max-width: calc(var(--max-width) + 4rem);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand__mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: linear-gradient(145deg, #2d6a4f, var(--primary));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: 0.9rem;
}

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

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--primary);
  text-decoration: underline;
}

main {
  max-width: calc(var(--max-width) + 4rem);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.page-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem 1.75rem;
  box-shadow: 0 1px 2px rgba(27, 67, 50, 0.04);
}

@media (min-width: 640px) {
  .page-card {
    padding: 2.5rem 2.5rem;
  }
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.lede,
.updated {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
}

.updated {
  font-size: 0.92rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--primary);
  letter-spacing: -0.01em;
}

h2:first-of-type {
  margin-top: 0;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.35rem;
}

li::marker {
  color: var(--accent);
}

.site-footer {
  max-width: calc(var(--max-width) + 4rem);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

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

.doc-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.doc-list li {
  margin: 0;
}

.doc-list a {
  display: block;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--card);
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.doc-list a:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(27, 67, 50, 0.06);
}

.doc-list strong {
  display: block;
  color: var(--primary);
  margin-bottom: 0.2rem;
}

.doc-list span {
  color: var(--text-muted);
  font-size: 0.92rem;
}