/* Responsive Design */

/* Large Desktop Styles */
@media (min-width: 1400px) {
    .container {
        max-width: 1200px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3rem;
    }

    .hero-container {
        max-width: 900px;
    }
}

/* Tablet Styles */
@media (max-width: 600px) {
    .container {
        padding: 0 1rem;
    }

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

    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        z-index: 1000;
        padding: 2rem 0;
    }

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

    .nav-menu a {
        padding: 1rem;
        display: block;
    }

    .hamburger {
        display: block;
    }

    /* Hero Section */
    .hero {
        padding: 70px 0 0 0 !important;
        margin-top: 0;
        min-height: 100vh;
    }

    .hero::before {
        animation: floatingShapes 8s ease-in-out infinite;
    }

    .hero-container {
        padding: 2rem 1rem 3rem 1rem;
        max-width: 100%;
    }

    .profile-photo {
        width: 150px;
        height: 150px;
        animation: float 4s ease-in-out infinite;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Blog Section */
    .blog {
        padding: 2rem 0 4rem 0;
    }

    .tab-buttons,
    .filter-controls {
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1.5rem;
    }

    .tab-button,
    .filter-btn {
        width: 100%;
        text-align: center;
        padding: 0.85rem 1.5rem;
        font-size: 1rem;
    }

    .blog-grid,
    .news-grid,
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .blog-item,
    .news-item {
        padding: 1.5rem;
    }

    /* Ensure scroll indicator in News section is adapted for mobile */
    .scroll-indicator {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
        right: 0.5rem;
    }

    .scroll-indicator .arrow {
        font-size: 1rem;
    }

    /* About Section */
    .about-content {
        flex-direction: column;
        gap: 2rem;
    }

    .about-stats {
        justify-content: center;
    }

    /* Experience Section - Mobile Timeline */
    .timeline {
        max-width: 100%;
        padding: 1rem 0;
    }

    .timeline::before {
        left: 30px;
        transform: none;
    }

    .timeline-item {
        flex-direction: column;
        justify-content: flex-start;
        padding-left: 60px;
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .timeline-item::before {
        left: 30px;
        transform: translateX(-50%);
        top: 10px;
    }

    .timeline-date {
        position: static;
        left: auto;
        right: auto;
        margin-bottom: 1rem;
        align-self: flex-start;
        display: inline-block;
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
    }

    .timeline-content {
        max-width: none;
        margin-top: 0;
        padding: 2rem;
    }

    .timeline-content::before {
        display: none;
    }

    .timeline-content h3 {
        font-size: 1.2rem;
    }

    .timeline-content h4 {
        font-size: 1.05rem;
    }

    /* Education Section */
    .education-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .education-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
    }

    /* Publications Section */
    .publications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .publication-item {
        padding: 1.5rem;
    }

    .publication-item h3 {
        font-size: 1.1rem;
    }

    .publication-link {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
        background-color: var(--primary-color-light, #e0e7ff);
        border-radius: var(--border-radius-medium, 8px);
        display: inline-block;
        margin-top: 0.5rem;
    }

    /* Contact Section */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
    }

    .contact-item i {
        margin: 0 auto;
    }

    .contact-item h3 {
        font-size: 1.1rem;
    }

    .contact-item p {
        font-size: 0.95rem;
    }

    .contact-links {
        gap: 1rem;
    }

    .contact-link {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }

    /* Grid Layouts */
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Medium Screen Styles - Maintain alternating timeline */
@media (min-width: 601px) and (max-width: 1024px) {
    .timeline {
        max-width: 900px;
        padding: 1.5rem 0;
    }

    .timeline-item {
        margin-bottom: 3.5rem;
    }

    .timeline-content {
        max-width: 350px;
        padding: 2rem;
    }

    .timeline-date {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
    }

    /* Adjust positioning for smaller screens but keep alternating layout */
    .timeline-item:nth-child(odd) {
        padding-right: calc(50% + 25px);
    }

    .timeline-item:nth-child(even) {
        padding-left: calc(50% + 25px);
    }

    .timeline-item:nth-child(odd) .timeline-date {
        left: 50%;
        transform: translateX(-50%);
    }

    .timeline-item:nth-child(even) .timeline-date {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    /* Hero Section */
    .hero {
        padding: 70px 0 0 0 !important;
        margin-top: 0;
        min-height: 100vh;
    }

    .hero::before {
        animation: floatingShapes 8s ease-in-out infinite;
    }

    .hero-container {
        padding: 1.5rem 0.75rem 2.5rem 0.75rem;
        max-width: 100%;
    }

    .profile-photo {
        width: 120px;
        height: 120px;
        animation: float 4s ease-in-out infinite;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        width: 100%;
        gap: 0.75rem;
    }

    .hero-buttons .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    /* Blog Section / News Section */
    .blog {
        padding: 1.5rem 0 3rem 0;
    }

    .blog-item,
    .news-item {
        padding: 1.2rem;
    }

    .blog-item h3,
    .news-item h3 {
        font-size: 1.1rem;
    }

    .filter-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .scroll-indicator {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        right: 0.25rem;
    }

    .scroll-indicator .arrow {
        font-size: 0.9rem;
    }

    /* Buttons */
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Experience Section */
    .timeline-content {
        padding: 1.5rem;
    }

    /* Education Section */
    .education-item {
        padding: 1.2rem;
    }

    /* Publications Section */
    .publication-item {
        padding: 1.2rem;
    }

    .publication-item h3 {
        font-size: 1rem;
    }

    .publication-link {
        font-size: 0.85rem;
        padding: 0.5rem 0.8rem;
    }

    /* Contact Section */
    .contact-item {
        padding: 1.2rem;
        gap: 0.8rem;
    }

    .contact-item h3 {
        font-size: 1rem;
    }

    .contact-item p {
        font-size: 0.9rem;
    }

    .contact-link {
        padding: 0.9rem 1.2rem;
        font-size: 0.9rem;
    }
}