@media (max-width: 600px) {
    body {
        font-size: 14px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        flex-direction: column;
        align-items: flex-start;
    }

    nav a {
        margin: 5px 0;
        font-size: 1rem;
    }

    .portofolio-container {
        flex-direction: column;
    }

    .portofolio-item {
        width: 100%;
        height: auto;
    }

    .hero {
        padding: 50px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cta-button, #comment-form button, footer .social-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .comment-section {
        padding: 15px;
    }

    .about-content {
        flex-direction: column;
        align-items: center;
    }

    .profile-photo {
        width: 100%;
        height: auto;
    }

    #popup-container::after {
        font-size: 0.8rem;
    }
}