:root {
  --bg: #0f1115;
  --bg-elevated: #161922;
  --border: #262a35;
  --text: #eef0f4;
  --text-muted: #9aa1b0;
  --accent: #6ea8fe;
  --accent-strong: #4c8dff;
  --radius: 14px;
  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  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);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.brand .mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
}

nav.site a {
  color: var(--text-muted);
  margin-left: 20px;
  font-weight: 500;
}

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

.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  margin: 0 0 16px;
}

.hero p.lead {
  color: var(--text-muted);
  font-size: 18px;
  max-width: 640px;
  margin: 0 auto 28px;
}

.badges {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.badge {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
}

.btn.primary {
  background: var(--accent-strong);
  color: #08101f;
}

.btn.primary:hover {
  background: var(--accent);
  text-decoration: none;
}

.btn.ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn.ghost:hover {
  border-color: var(--accent);
  text-decoration: none;
}

section {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

section p.section-lead {
  color: var(--text-muted);
  margin-top: 0;
  margin-bottom: 32px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.card .icon {
  font-size: 24px;
  margin-bottom: 10px;
  display: block;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.formats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.formats span {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}

.privacy-highlight {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.privacy-highlight h2 {
  margin-top: 0;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 14px;
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

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

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

.doc h1 {
  font-size: 32px;
  margin-bottom: 4px;
}

.doc .updated {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 40px;
}

.doc h2 {
  font-size: 21px;
  margin-top: 40px;
}

.doc p, .doc li {
  color: var(--text-muted);
}

.doc ul {
  padding-left: 20px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 14px;
}