:root {
  --bg: #0f0f12;
  --surface: #1a1a1f;
  --text: #e8e8ed;
  --text-muted: #9898a6;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --border: #2a2a32;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

nav .container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

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

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

nav a:hover {
  color: var(--text);
  background: var(--border);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

h1 {
  font-size: 2rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.35rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero p {
  font-size: 1.125rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: white;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

footer {
  margin-top: 4rem;
  padding: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

footer a {
  color: var(--text-muted);
}

footer a:hover {
  color: var(--text);
}

ul.faq, ul.features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

ul.faq li, ul.features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

ul.faq li:last-child, ul.features li:last-child {
  border-bottom: none;
}

ul.faq strong, ul.features strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.25rem;
}

code {
  background: var(--surface);
  padding: 0.2em 0.4em;
  border-radius: 6px;
  font-size: 0.9em;
}

.privacy-section {
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  nav .container { flex-direction: column; align-items: flex-start; }
  main { padding: 2rem 1rem; }
  .hero h1 { font-size: 1.75rem; }
}
