:root {
  --bg: #FFFFFF;
  --surface: #F8F9FA;
  --text: #121212;
  --text-secondary: #666666;
  --border: #EAEAEA;
  --accent: #FFD700;
  --accent-ink: #121212;
  --error: #FF3B30;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --surface: #1E1E1E;
    --text: #FFFFFF;
    --text-secondary: #AAAAAA;
    --border: #2A2A2A;
    --accent: #FFD700;
    --accent-ink: #121212;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

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

a { color: var(--accent-link, #B8860B); }
@media (prefers-color-scheme: dark) {
  a { color: var(--accent); }
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */
header.site {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: var(--text);
}
.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: block;
}
.brand .accent { color: var(--accent); }
nav.site-nav {
  display: flex;
  gap: 28px;
}
nav.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 88px 0 64px;
  text-align: center;
}
.hero .hero-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 28px;
  border-radius: 28px;
  background: #121212;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero .hero-logo img {
  width: 82px;
  height: 82px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 18px;
}
.hero p.lead {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
}
.btn-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  text-decoration: none;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

/* Feature grid */
.features {
  padding: 48px 0 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
}
.feature .icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.feature h3 {
  font-size: 17px;
  margin: 0 0 8px;
}
.feature p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* Prose content (legal/help pages) */
main.doc.wrap {
  max-width: 760px;
}
main.doc {
  padding: 56px 0 96px;
}
main.doc h1 {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 10px;
}
main.doc .updated {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0 0 40px;
}
main.doc h2 {
  font-size: 21px;
  font-weight: 800;
  margin: 44px 0 14px;
  padding-top: 8px;
}
main.doc h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 26px 0 8px;
}
main.doc p, main.doc li {
  font-size: 15px;
  color: var(--text);
}
main.doc ul, main.doc ol {
  padding-left: 22px;
}
main.doc li {
  margin-bottom: 8px;
}
main.doc .note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  font-size: 14px;
  color: var(--text-secondary);
  margin: 22px 0;
}
main.doc .steps {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 26px;
  margin: 18px 0;
}
main.doc .toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  margin: 28px 0;
  font-size: 14px;
}
main.doc .toc a { display: block; padding: 4px 0; text-decoration: none; }
code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}
footer.site .brand-mini {
  display: flex;
  align-items: center;
  gap: 8px;
}
footer.site .brand-mini img {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}
footer.site nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
footer.site a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
}
footer.site a:hover { color: var(--text); }
footer.site .copyright {
  color: var(--text-secondary);
  font-size: 13px;
}