:root {
  color-scheme: light dark;
  --bg: #faf7f2;
  --surface: #ffffff;
  --surface-muted: #f1ece2;
  --text: #1a1410;
  --text-secondary: #66594d;
  --text-tertiary: #9f9080;
  --hairline: #e3dcd2;
  --brand: #d05a18;
  --brand-soft: #fadcc0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161310;
    --surface: #1f1b17;
    --surface-muted: #2a2520;
    --text: #f6f1ea;
    --text-secondary: #b5a99a;
    --text-tertiary: #7a6e5f;
    --hairline: #35302a;
    --brand: #e87b3a;
    --brand-soft: #52301a;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Top bar */
header.top {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--hairline);
}
header.top .container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
header.top a.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
}
header.top svg.glyph-sm {
  width: 22px;
  height: 22px;
}

/* Hero */
section.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}
section.hero .glyph-lg {
  width: 88px;
  height: 88px;
  margin: 0 auto 1.5rem;
}
section.hero h1 {
  font-family: ui-serif, "New York", Georgia, serif;
  font-weight: 600;
  font-size: 3rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  line-height: 1.05;
}
section.hero .tagline {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 32ch;
  margin: 0 auto 2rem;
  line-height: 1.4;
}

/* Features */
section.features {
  padding: 3rem 0;
  border-top: 1px solid var(--hairline);
}
section.features h2 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 2rem;
  text-align: center;
}
.feature-grid {
  display: grid;
  gap: 2rem;
}
.feature h3 {
  font-family: ui-serif, "New York", Georgia, serif;
  font-weight: 600;
  font-size: 1.375rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.feature p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 1rem;
}

/* Privacy callout */
section.privacy-callout {
  margin: 3rem 0;
  padding: 2rem;
  background: var(--surface-muted);
  border-radius: 16px;
}
section.privacy-callout h2 {
  font-family: ui-serif, "New York", Georgia, serif;
  font-weight: 600;
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
section.privacy-callout p {
  color: var(--text-secondary);
  margin: 0 0 1rem;
}
section.privacy-callout p:last-child { margin-bottom: 0; }

/* Footer */
footer {
  border-top: 1px solid var(--hairline);
  padding: 2rem 0 4rem;
  margin-top: 3rem;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}
footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
}
footer nav a {
  color: var(--text-secondary);
  margin-right: 1.25rem;
}
footer nav a:last-child { margin-right: 0; }

/* Document pages (privacy, support) */
article.doc {
  padding: 3rem 0 2rem;
}
article.doc h1 {
  font-family: ui-serif, "New York", Georgia, serif;
  font-weight: 600;
  font-size: 2rem;
  letter-spacing: -0.015em;
  margin: 0 0 0.25rem;
}
article.doc .effective {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  margin: 0 0 2.5rem;
}
article.doc h2 {
  font-family: ui-serif, "New York", Georgia, serif;
  font-weight: 600;
  font-size: 1.375rem;
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.01em;
}
article.doc p,
article.doc li {
  color: var(--text);
  font-size: 1rem;
}
article.doc p {
  margin: 0 0 1rem;
}
article.doc ul {
  padding-left: 1.25rem;
  margin: 0 0 1.25rem;
}
article.doc li { margin-bottom: 0.5rem; }
article.doc strong { font-weight: 600; }
article.doc .summary {
  background: var(--surface-muted);
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  margin: 0 0 2rem;
}
article.doc .summary p { margin: 0; color: var(--text-secondary); }

/* Smaller screens */
@media (max-width: 480px) {
  section.hero { padding: 3.5rem 0 3rem; }
  section.hero h1 { font-size: 2.25rem; }
  section.hero .tagline { font-size: 1.0625rem; }
}