@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0A0A0F;
  --surface: #14141F;
  --surface-elevated: #1C1C2E;
  --text: #F5F5F7;
  --text-secondary: #A0A0B0;
  --text-muted: #6B6B80;
  --primary: #2979FF;
  --accent: #00E676;
  --border: rgba(255, 255, 255, 0.08);
  --max-width: 720px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

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

/* Hero */
.hero {
  text-align: center;
  padding: 80px 0 64px;
}

.hero-tagline {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 40px;
}

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

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  transition: background 0.2s;
  text-decoration: none;
}

.cta-btn:hover {
  background: #24243a;
  text-decoration: none;
}

.cta-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
}

.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 32px;
}

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

.footer-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Privacy policy page */
.page-header {
  padding: 48px 0 32px;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
}

.page-updated {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.page-content {
  padding-bottom: 64px;
}

.page-content section {
  margin-bottom: 32px;
}

.page-content h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.page-content p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-content p + p {
  margin-top: 8px;
}

.page-content ul {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  padding-left: 20px;
  margin-top: 8px;
}

.page-content li {
  margin-bottom: 4px;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 48px 0 40px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}
