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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: white;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.container {
  max-width: 600px;
  padding: 2rem;
}

h1 {
  font-size: 4.5rem;
  margin-bottom: 1rem;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

p {
  font-size: 1.3rem;
  margin: 1rem 0;
  opacity: 0.9;
}

button {
  margin-top: 2rem;
  padding: 14px 32px;
  font-size: 1.1rem;
  background: white;
  color: #4f46e5;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: bold;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}

button:active {
  transform: scale(0.95);
}