:root {
  --cream: #faf7f2;
  --anthracite: #1c1c1e;
  --terracotta: #f2723e;
  --muted: #6e6e73;
  --border: #e8e4dd;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--cream);
  color: var(--anthracite);
  margin: 0;
  line-height: 1.6;
}

a {
  color: var(--terracotta);
  font-weight: 600;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}

.site-header-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--anthracite);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.doc-title {
  font-size: 1.75rem;
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}

.doc-date {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 32px;
}

section {
  margin-bottom: 28px;
}

section h2 {
  font-size: 1.05rem;
  margin: 0 0 8px;
}

section h3 {
  font-size: 1rem;
  margin: 18px 0 6px;
}

section p,
section li {
  color: var(--anthracite);
  margin: 0 0 12px;
}

section ul {
  margin: 0 0 12px;
  padding-left: 1.25rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Landing page */
.hero {
  text-align: center;
  padding: 56px 0 32px;
}

.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 20px;
  box-shadow: 0 12px 32px rgba(28, 28, 30, 0.08);
}

.hero h1 {
  font-size: 2.25rem;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.hero-tagline {
  color: var(--muted);
  max-width: 440px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 32px;
  max-width: 360px;
  text-align: left;
}

.feature-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  color: var(--anthracite);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--terracotta);
  font-weight: 700;
}

.hero-links {
  margin-top: 8px;
  font-size: 0.95rem;
}

.badge {
  display: inline-block;
  background: #fff0ea;
  color: var(--terracotta);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}