.header {
  text-align: center;
  padding: 2rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  margin-bottom: 2rem;
}

.header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2.5rem;
  font-weight: 300;
}

.header p {
  margin: 0;
  opacity: 0.9;
  font-size: 1.1rem;
}

.main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}
