:root { color-scheme: dark; }
* { box-sizing: border-box; margin: 0; }
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #133a2b 0%, #0a0e16 60%);
  color: #e7ecf4;
  padding: 24px;
}
.card {
  max-width: 520px;
  text-align: center;
  background: #121826;
  border: 1px solid #212a3d;
  border-radius: 18px;
  padding: 44px 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.logo { font-size: 56px; margin-bottom: 10px; }
h1 {
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #2dd4a7, #44b78b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
p { color: #9aa7bd; line-height: 1.6; margin-bottom: 16px; }
.badges { display: flex; gap: 10px; justify-content: center; margin: 22px 0; flex-wrap: wrap; }
.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: #46c98b;
  background: rgba(70, 201, 139, 0.12);
  border: 1px solid rgba(70, 201, 139, 0.25);
}
.hint { font-size: 14px; }
a { color: #2dd4a7; text-decoration: none; }
a:hover { text-decoration: underline; }