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

body, html {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transition: box-shadow 0.3s ease;
}

.container:hover {
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

p {
  font-size: 1.25rem;
  color: #d1d5db;
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  p {
    font-size: 1rem;
  }
}