/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }

    header p {
        font-size: 0.9em;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 10px 0;
    }

    nav ul li a {
        font-size: 0.9em;
    }

    section {
        margin: 20px;
        padding: 20px;
    }

    #why-hire .usp-grid,
    #projects .project-grid,
    #skills ul {
        grid-template-columns: 1fr;
    }
}