@media (max-width: 768px) {
    .title {
        width: 90%;
        margin: 0 auto;    
        margin-bottom: 1em;
    }

    h1 {
        font-size: 2.5rem;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .nav {
        padding: 0 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .buttons {
        flex-direction: column;
        align-items: center;
    }
}