@media screen and (max-width: 768px) {
    .nav-links, .auth-link {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        display: flex;
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
        padding: 5rem 5% 4rem;
        gap: 20px;
    }

    .hero-content, .hero-image {
        width: 100%;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero-placeholder {
        width: 100%;
        max-width: 80%;
        height: 280px;
        margin: 0 auto;
    }

    .hero-image img {
        display: block;
        margin: 0 auto;
        max-width: 80%;
        height: auto;
    }

    .cart-sidebar {
        width: 100%;
        transform: translateX(100%);
    }

    .close-cart {
        font-size: 2.5rem;
        padding: 0.5rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .about-container {
        flex-direction: column-reverse;
        padding: 2.5rem 1.5rem;
        gap: 2.5rem;
    }

    .about-content, .about-image {
        width: 100%;
        text-align: center;
    }

    .image-placeholder {
        width: 200px;
        height: 200px;
        margin: 0 auto 20px auto;
    }

    .about-name {
        font-size: 2.2rem;
    }

    .about-title {
        font-size: 1.1rem;
    }

    .skills-badges {
        justify-content: center;
    }

    .social-icons {
        flex-wrap: wrap;
    }
}