* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  text-align: center;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

p {
  font-size: 0.95rem;
  opacity: 0.8;
}

.badge {
  margin-top: 1.5rem;
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: #22c55e;
  color: #022c22;
  font-size: 0.8rem;
  font-weight: 600;
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.6rem;
  }
}