:root {
  --primary: #4a90e2;
  --primary-dark: #357abd;
  --dark: #343a40;
  --light: #f8f9fa;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --border: #dee2e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --dark: #e4e4e4;
    --light: #1a1a1a;
    --bg: #1a1a1a;
    --bg-alt: #232323;
    --border: #3a3a3a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--primary);
  text-decoration: none;
}
.logo img { width: 32px; height: 32px; }

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.15s ease;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }

.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
  text-align: center;
}
.hero h1 {
  font-size: 2.75rem;
  margin: 0 0 1rem;
}
.hero p.lead {
  font-size: 1.25rem;
  color: var(--dark);
  opacity: 0.8;
  max-width: 640px;
  margin: 0 auto 2rem;
}
.hero .actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}
.feature-card h3 { margin-top: 0; color: var(--primary); }
.feature-card p { margin-bottom: 0; opacity: 0.85; }

.audience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.audience div {
  padding: 1.5rem;
}
.audience h3 { color: var(--primary); margin-bottom: 0.25rem; }

.cta {
  text-align: center;
  background: var(--bg-alt);
  border-radius: 16px;
  margin: 3rem auto;
  padding: 3rem 1.5rem;
}
.cta h2 { margin-top: 0; }

footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  opacity: 0.7;
  font-size: 0.9rem;
}
footer a { color: inherit; }
footer .legal-links { margin-top: 0.5rem; }
footer .legal-links a { margin: 0 0.5rem; }

.legal-content {
  max-width: 780px;
  margin: 2.5rem auto 4rem;
  padding: 2.5rem 2.5rem 3rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.legal-content h1 {
  text-align: center;
  margin: 0 0 0.5rem;
}
.legal-content .updated {
  text-align: center;
  opacity: 0.65;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.legal-content h2 { color: var(--primary); margin-top: 2.25rem; }
.legal-content h3 { margin-top: 1.5rem; }
.legal-content ul { padding-left: 1.25rem; }
.legal-content li { margin-bottom: 0.4rem; }
.legal-content > p:last-of-type { text-align: center; margin-top: 2.5rem; }

.table-scroll {
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.legal-content table {
  border-collapse: collapse;
  width: 100%;
  min-width: 480px;
  margin: 0;
}
.legal-content th, .legal-content td {
  padding: 0.65rem 1rem;
  text-align: left;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}
.legal-content thead th {
  background: var(--primary);
  color: white;
  font-weight: 600;
}
.legal-content tbody tr:nth-child(even) { background: var(--bg); }
.legal-content tbody tr:last-child td { border-bottom: none; }

.faq details {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-alt);
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 0.75rem 0 0; }