:root {
  --bg: #0b1120;
  --surface: #111827;
  --surface-2: #1b2436;
  --border: #243149;
  --fg: #f1f5f9;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-fg: #ffffff;
  --success: #22c55e;
  --max: 760px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --border: #e2e8f0;
    --fg: #0f172a;
    --muted: #64748b;
    --accent: #2563eb;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.brand .dot {
  color: var(--accent);
}
.nav a {
  margin-left: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

/* Hero */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}
.hero h1 {
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}
.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 14%, transparent);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 22px;
}

/* Sections */
section {
  padding: 28px 0;
}
h2 {
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

/* Product card */
.product {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.product .icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  flex: 0 0 auto;
  background: linear-gradient(160deg, #2563eb, #1d4ed8);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
}
.product h3 {
  margin: 0 0 4px;
  font-size: 17px;
}
.product p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}
.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  padding: 3px 9px;
  border-radius: 999px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Legal / policy pages */
.legal {
  padding: 48px 0 24px;
}
.legal h1 {
  font-size: 30px;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.legal .updated {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 28px;
}
.legal h2 {
  font-size: 18px;
  margin: 28px 0 8px;
}
.legal p,
.legal li {
  color: var(--fg);
}
.legal .muted {
  color: var(--muted);
}
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--success);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 16px 0;
}
.back {
  display: inline-block;
  margin-top: 24px;
  font-size: 14px;
  font-weight: 600;
}