.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #ff6600 0%, #ff8533 100%);
    border-radius: 12px;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.2);
}

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

.header .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}