:root {
  --bg: #0f1226;
  --surface: #1a1f3d;
  --text: #eef0ff;
  --muted: #aab0d6;
  --accent: #6c7bff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #232a52, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
.hero {
  text-align: center;
  padding: 64px 20px 40px;
  position: relative;
}
.logo { color: var(--accent); }
h1 { font-size: 44px; margin: 12px 0 8px; letter-spacing: -1px; }
.tagline { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto 28px; }
.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.badge {
  background: var(--surface);
  border: 1px solid #2c3464;
  color: var(--text);
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 600;
}
.badge:hover { border-color: var(--accent); }
.lang {
  position: absolute; top: 20px; right: 20px;
  background: var(--surface); color: var(--text);
  border: 1px solid #2c3464; border-radius: 10px;
  padding: 6px 12px; cursor: pointer;
}
.features {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: 900px; margin: 0 auto; padding: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid #2c3464;
  border-radius: 16px;
  padding: 22px;
}
.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }
footer { text-align: center; color: var(--muted); padding: 40px 20px; }