:root {
  color-scheme: light dark;
  --bg: #000000;
  --fg: #f5f5f5;
  --muted: #a3a3a3;
  --accent: #ffffff;
  --accent-fg: #000000;
  --card: #0a0a0a;
  --card-hover: #121212;
  --border: #262626;
  --blue: #0095f6;
  --badge-bg: rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --fg: #000000;
    --muted: #737373;
    --accent: #000000;
    --accent-fg: #ffffff;
    --card: #fafafa;
    --card-hover: #f5f5f5;
    --border: #e5e5e5;
    --badge-bg: rgba(0, 0, 0, 0.05);
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.site-head {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-head .brand {
  font-weight: 600;
  font-size: 18px;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.site-head .brand img {
  border-radius: 8px;
  display: block;
  border: 1px solid var(--border);
}

.site-head nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s ease;
}

.site-head nav a:hover {
  color: var(--fg);
}

main {
  padding-bottom: 80px;
}

.page-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  padding: 80px 0 64px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--badge-bg);
  color: var(--fg);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero-icon {
  display: block;
  margin-bottom: 32px;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  margin: 0 0 24px;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero .lede {
  font-size: 20px;
  color: var(--muted);
  max-width: 600px;
  margin: 0 0 40px;
  line-height: 1.6;
}

.cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.cta.primary {
  background: var(--accent);
  color: var(--accent-fg);
}

.cta.primary:hover {
  opacity: 0.9;
  transform: scale(0.98);
}

/* Features Grid */
.features {
  padding: 64px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  transition: background 0.15s ease;
}

.feature-card:hover {
  background: var(--card-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--fg);
}

.feature-card h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.6;
}

/* Bottom CTA */
.bottom-cta {
  text-align: center;
  padding: 80px 24px;
  background: var(--card);
  border-radius: 32px;
  border: 1px solid var(--border);
  margin-top: 64px;
}

.bottom-cta h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.bottom-cta p {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 40px;
}

.site-foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* Prose/Privacy Pages */
.prose {
  max-width: 720px;
  margin: 48px auto;
  padding: 0 24px;
}

.prose h1 {
  font-size: 36px;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}

.prose h2 {
  font-size: 20px;
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
}

.prose p {
  margin: 0 0 16px;
  color: var(--muted);
}

.prose ul {
  color: var(--muted);
  padding-left: 24px;
  margin: 0 0 24px;
}

.prose li {
  margin-bottom: 8px;
}