/* Responsive Styles */
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        order: 2;
        margin-bottom: 0;
    }

    .hero-image-container {
        order: 1;
        max-width: 320px;
        margin: 0 auto;
    }

    .about-content,
    .skills-container,
    .contact-container,
    .news-grid {
        flex-direction: column;
    }

    .portfolio-grid,
    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        transition: left 0.3s;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links ul {
        flex-direction: column;
        padding: 30px;
    }

    .nav-links ul li {
        margin: 15px 0;
    }

    .menu-toggle {
        display: block;
    }

    section {
        padding: 60px 0;
    }

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

    .hero-content h1 {
        font-size: 3.2rem;
        letter-spacing: -2px;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .achievement-highlights {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .experience-badge {
        padding: 12px;
        right: 0;
    }

    /* Mobile Timeline */
    .timeline::before {
        left: 20px;
    }

    .timeline-item, .timeline-item:nth-child(odd) {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 50px;
        margin-bottom: 40px;
    }

    .timeline-content, .timeline-item:nth-child(odd) .timeline-content {
        width: 100%;
        margin: 0;
    }

    .timeline-date, .timeline-item:nth-child(odd) .timeline-date, .timeline-item:nth-child(even) .timeline-date {
        width: 100%;
        text-align: left;
        padding: 0;
        margin-bottom: 10px;
        font-size: 1.1rem;
    }

    .timeline-content::before, .timeline-item:nth-child(odd) .timeline-content::before, .timeline-item:nth-child(even) .timeline-content::before {
        left: -40px;
        right: auto;
    }
}

@media (max-width: 576px) {
    .portfolio-filter {
        flex-wrap: wrap;
    }

    .filter-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
    }

    .hero-content h1 {
        font-size: 2rem;
        letter-spacing: -1px;
        background: none;
        -webkit-text-fill-color: initial;
        color: white;
    }

    .hero-title-serif {
        letter-spacing: -1px;
    }

    .hero-content h2 {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}