:root {
  --bg: #0b0d12;
  --text: #e7ebf3;
  --muted: #a6b0c3;
  --card: #121621;
  --brand: #6aa7ff;
  --brand-2: #9b7bff;
  --border: #1a2130;
}

* { box-sizing: border-box; }

html, body {
  padding: 0;
  margin: 0;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(106,167,255,0.15), transparent 60%),
              radial-gradient(1000px 700px at 120% 10%, rgba(155,123,255,0.12), transparent 50%),
              var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(11,13,18,0.7);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.logo { font-size: 20px; }
.brand-name { letter-spacing: 0.3px; }

.nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav a.active { color: var(--text); background: rgba(106,167,255,0.12); }

.hero {
  padding: 72px 0 40px;
}
.hero-inner {
  text-align: center;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.15;
  margin: 0 0 12px 0;
}
.subtitle {
  color: var(--muted);
  max-width: 800px;
  margin: 0 auto 22px;
}
.cta-group { display: inline-flex; gap: 12px; margin-top: 4px; }

.btn {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #0a0d14;
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 16px;
  box-shadow: 0 6px 24px rgba(106,167,255,0.35);
  transition: transform .08s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(106,167,255,0.45); }

.note { color: var(--muted); font-size: 14px; margin-top: 10px; }

.features { padding: 22px 0 10px; }
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); }
.mt-lg { margin-top: 18px; }

.data-safety { padding: 24px 0 10px; }
.safety-list { margin: 0; padding: 0 0 0 18px; }
.fine-print { color: var(--muted); font-size: 14px; margin-top: 8px; }

.support { padding: 24px 0 64px; }

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 0;
}
.footer-inner a { color: var(--muted); text-decoration: none; margin-left: 16px; }
.footer-inner a:hover { color: var(--text); }