:root {
  --brand: #4A9EF5;
  --brand-dark: #5AACFF;
  --text: #1a1a1a;
  --text-secondary: #666;
  --bg: #fff;
  --bg-secondary: #f5f7fa;
  --border: #e5e7eb;
  --max-width: 680px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #5AACFF;
    --text: #f0f0f0;
    --text-secondary: #aaa;
    --bg: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --border: #333;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Hero */
.hero {
  text-align: center;
  padding: 80px 24px 48px;
}
.hero h1 { font-size: 2rem; font-weight: 700; margin-bottom: 8px; }
.hero .tagline { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 32px; }
.hero .cta {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  padding: 14px 32px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: opacity 0.2s;
}
.hero .cta:hover { opacity: 0.85; }

/* Features */
.features {
  padding: 48px 0;
}
.features h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 32px;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 500px) {
  .feature-grid { grid-template-columns: 1fr; }
}
.feature-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 20px;
}
.feature-card .icon { font-size: 1.5rem; margin-bottom: 8px; }
.feature-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); }

/* Footer */
footer {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}
footer a { color: var(--text-secondary); margin: 0 8px; }

/* Legal pages */
.legal {
  padding: 48px 0 80px;
}
.legal h1 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}
.legal .date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 32px;
}
.legal h2 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
}
.legal p, .legal li {
  margin-bottom: 12px;
  font-size: 0.95rem;
}
.legal ul { padding-left: 20px; }
.legal a { color: var(--brand); }

/* Back link */
.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--brand);
  text-decoration: none;
  font-size: 0.9rem;
}