/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .logo-section {
        flex-direction: column;
        gap: 1rem;
    }

    .main-content {
        margin-top: 160px;
    }

    .about-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .about-image {
        margin: 0 auto;
        width: 350px;
        height: 450px;
    }

    .section {
        padding: 2rem 1rem;
    }

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

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .gallery {
        width: calc(300px * 16);
    }

    .gallery-item {
        min-width: 300px;
        height: 400px;
    }

    .tab-button {
        padding: 10px 16px;
        font-size: 0.9rem;
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    .about-image {
        width: 280px;
        height: 350px;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .connect-grid {
        grid-template-columns: 1fr;
    }

    .section h3::before {
        display: none;
    }
}