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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.container {
    text-align: center;
    padding: 2rem;
}

h1 {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    transition: opacity 0.5s ease-in-out;
}

h1.fade-out {
    opacity: 0;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
}