* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: system-ui, sans-serif;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1e3a8a, #6d28d9);
}
.card {
  background: #fff; padding: 3rem 2.5rem; border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,.3); text-align: center; max-width: 420px;
}
h1 { color: #1e293b; margin-bottom: 1rem; }
p  { color: #475569; line-height: 1.6; margin-bottom: 1.5rem; }
.badge {
  display: inline-block; background: #6d28d9; color: #fff;
  padding: .4rem 1rem; border-radius: 999px; font-size: .85rem; font-weight: 600;
}