* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f4f6f8;
  color: #222;
  text-align: center;
}

header {
  background: #232f3e; /* AWS dark blue */
  color: #fff;
  padding: 60px 20px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

main {
  padding: 40px 20px;
}

.card {
  background: #fff;
  max-width: 600px;
  margin: 0 auto;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

a {
  color: #ff9900; /* AWS orange */
  text-decoration: none;
  font-weight: bold;
}

footer {
  padding: 20px;
  color: #666;
  font-size: 0.9rem;
}