:root {
  --bg: #0A0A0A;
  --surface: #141414;
  --border: #222;
  --text: #F5F5F7;
  --text-secondary: #86868B;
  --accent: #648FFF;
  --accent-glow: rgba(100, 143, 255, 0.15);
  --success: #34C759;
  --radius: 16px;
}

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

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

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

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

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

.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links { display: flex; gap: 24px; }
.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
  text-align: center;
  padding: 120px 0 80px;
}

.hero h1 {
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero h1 .accent { color: var(--accent); }

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 40px;
  line-height: 1.5;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 24px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.badge svg { width: 20px; height: 20px; fill: var(--text); }

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 40px 0 100px;
}

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

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Page content (privacy, support) */
.page-content {
  padding: 80px 0 100px;
}

.page-content h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.page-content .updated {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.page-content h2 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
}

.page-content p,
.page-content li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.page-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.page-content li { margin-bottom: 8px; }

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 32px;
  text-align: center;
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}

.contact-btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: opacity 0.2s;
}
.contact-btn:hover { opacity: 0.85; text-decoration: none; }

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

footer p {
  font-size: 13px;
  color: var(--text-secondary);
}

footer .footer-links {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

footer .footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
}