body {
  background-color: #e3f2fd; /* Biru muda */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #0d47a1;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.container {
  background: #ffffff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  text-align: center;
  max-width: 500px;
}

h1 {
  color: #1565c0;
  font-size: 2.5rem;
  margin-bottom: 15px;
}

p {
  color: #1976d2;
  font-size: 1.2rem;
}