/* Testimonials Slider */
    .testimonial-section {
        background-color: var(--light-grey);
        padding: 60px 0;
    }
    
    .testimonial-card {
        background-color: rgba(20, 32, 74, 0.9);
        border-radius: 10px;
        color: white;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .testimonial-img {
        height: 100%;
        object-fit: cover;
    }
    
    .testimonial-content {
        padding: 30px;
    }
    
    .testimonial-text {
        font-style: italic;
        margin-bottom: 20px;
        font-size: 1.1rem;
    }
    
    .testimonial-author {
        font-weight: 600;
        margin-bottom: 5px;
    }
    
    .testimonial-role {
        color: rgba(255,255,255,0.8);
        font-size: 0.9rem;
    }
    
    .carousel-control-prev, .carousel-control-next {
        width: 50px;
        height: 50px;
        background-color: var(--primary-blue);
        border-radius: 50%;
        top: 50%;
        transform: translateY(-50%);
        opacity: 1;
    }
    
    .carousel-control-prev {
        left: -25px;
    }
    
    .carousel-control-next {
        right: -25px;
    }
    
    /* === RECENT ARTICLES SECTION === */
    .recent-articles-section {
        padding: 60px 0;
        background-color: white;
    }
    
    .section-title {
        text-align: center;
        margin-bottom: 40px;
        color: var(--dark-blue);
        position: relative;
        padding-bottom: 15px;
    }
    
    .section-title:after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 100px;
        height: 4px;
        background-color: var(--green-accent);
    }
    
    /* Article Cards - New Design */
    .article-card-new {
        border: none;
        border-radius: 8px;
        overflow: hidden;
        transition: transform 0.3s, box-shadow 0.3s;
        height: 100%;
        background-color: white;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        margin-bottom: 30px;
    }
    
    .article-card-new:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    }
    
    .article-image-container {
        position: relative;
        overflow: hidden;
        height: 220px;
    }
    
    .article-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s;
    }
    
    .article-card-new:hover .article-image {
        transform: scale(1.05);
    }
    
    .image-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background-color 0.3s;
    }
    
    .article-card-new:hover .image-overlay {
        background-color: rgba(0, 0, 0, 0.2);
    }
    
    .zoom-icon {
        color: white;
        font-size: 2.5rem;
        opacity: 0;
        transition: opacity 0.3s;
    }
    
    .article-card-new:hover .zoom-icon {
        opacity: 1;
    }
    
    .article-content-new {
        padding: 25px;
    }
    
    .article-category {
        color: var(--primary-blue);
        font-size: 0.85rem;
        font-weight: 600;
        text-transform: uppercase;
        margin-bottom: 10px;
        text-decoration: none;
        display: inline-block;
        letter-spacing: 0.5px;
    }
    
    .article-category:hover {
        color: var(--dark-blue);
        text-decoration: underline;
    }
    
    .article-title-new {
        color: var(--dark-blue);
        font-size: 1.3rem;
        font-weight: 700;
        margin-bottom: 15px;
        text-decoration: none;
        display: block;
        line-height: 1.4;
    }
    
    .article-title-new:hover {
        color: var(--primary-blue);
        text-decoration: underline;
    }
    
    .article-description {
        color: var(--text-grey);
        font-size: 0.95rem;
        margin-bottom: 20px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .read-more-link {
        color: var(--primary-blue);
        font-weight: 600;
        text-decoration: none;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        gap: 5px;
        margin-bottom: 20px;
    }
    
    .read-more-link:hover {
        color: var(--dark-blue);
        text-decoration: underline;
    }
    
    .article-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid var(--border-grey);
        padding-top: 20px;
    }
    
    .article-date {
        color: var(--text-grey);
        font-size: 0.85rem;
        font-weight: 500;
    }
    
    .social-sharing {
        display: flex;
        gap: 12px;
    }
    
    .social-icon {
        color: var(--text-grey);
        font-size: 1rem;
        transition: color 0.2s;
    }
    
    .social-icon:hover {
        color: var(--primary-blue);
    }
    
    .altmetric-badge {
        display: inline-block;
        background-color: #F8F9FA;
        border-radius: 4px;
        padding: 3px 8px;
        font-size: 0.8rem;
        color: var(--text-dark);
        font-weight: 600;
        border: 1px solid var(--border-grey);
    }
    
    .altmetric-score {
        color: var(--green-accent);
        font-weight: 700;
    }
    
    /* Preprints Section */
    .preprints-section {
        background-color: var(--light-grey);
        padding: 50px 0;
    }
    
    .preprint-card {
        background-color: white;
        border-radius: 8px;
        padding: 20px;
        margin-bottom: 20px;
        border: 1px solid var(--border-grey);
        height: 100%;
    }
    
    .preprint-title {
        color: var(--dark-blue);
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 10px;
        text-decoration: none;
    }
    
    .preprint-title:hover {
        color: var(--primary-blue);
        text-decoration: underline;
    }
    
    .preprint-description {
        color: var(--text-grey);
        font-size: 0.95rem;
        margin-bottom: 15px;
    }
    
    .peer-review-badge {
        background-color: var(--green);
        color: white;
        padding: 5px 15px;
        border-radius: 20px;
        font-weight: 600;
        font-size: 0.9rem;
        display: inline-block;
        margin-bottom: 10px;
    }
    
    /* Partnerships Section */
    .partnerships-section {
        padding: 50px 0;
        background-color: white;
    }
    
    .partner-logo {
        height: 60px;
        margin: 20px;
        filter: grayscale(100%);
        opacity: 0.7;
        transition: filter 0.3s, opacity 0.3s;
    }
    
    .partner-logo:hover {
        filter: grayscale(0);
        opacity: 1;
    }
    
    /* About Section */
    .about-section {
        padding: 60px 0;
        background-color: white;
    }
    
    .about-content h3 {
        color: var(--dark-blue);
        margin-top: 30px;
        margin-bottom: 15px;
    }
    
    .highlight-box {
        background-color: var(--light-grey);
        border-left: 4px solid var(--primary-blue);
        padding: 20px;
        margin: 20px 0;
    }
    
    /* Featured Tabs Slider Styles */
    .content-container {
        max-width: 1400px;
        margin: 0 auto;
    }
    
    .tabs-section {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 20px 20px 0 0;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        border-bottom: 3px solid #e8e8e8;
    }
    
    .tabs-title {
        font-size: 14px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: #666;
        margin-bottom: 25px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .tabs-title::before {
        content: '✦';
        color: #4f46e5;
        font-size: 16px;
    }
    
    .tabs-container {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 15px;
        position: relative;
    }
    
    .tab-item {
        background: white;
        border: 2px solid transparent;
        border-radius: 12px;
        padding: 20px;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
    }
    
    .tab-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, #4f46e5, #8b5cf6);
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }
    
    .tab-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(79, 70, 229, 0.15);
        border-color: #e0e7ff;
    }
    
    .tab-item:hover::before {
        transform: scaleX(1);
    }
    
    .tab-item.active {
        background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
        border-color: #4f46e5;
        box-shadow: 0 10px 25px rgba(79, 70, 229, 0.2);
        transform: translateY(-3px);
    }
    
    .tab-item.active::before {
        transform: scaleX(1);
    }
    
    .tab-item.active .tab-icon {
        background: #4f46e5;
        color: white;
    }
    
    .tab-icon {
        width: 48px;
        height: 48px;
        background: #f8fafc;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 15px;
        font-size: 20px;
        color: #64748b;
        transition: all 0.3s ease;
    }
    
    .tab-label {
        font-size: 14px;
        font-weight: 600;
        color: #334155;
        line-height: 1.4;
    }
    
    .tab-badge {
        position: absolute;
        top: -8px;
        right: -8px;
        background: linear-gradient(135deg, #ef4444, #dc2626);
        color: white;
        font-size: 10px;
        font-weight: 700;
        padding: 4px 10px;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    }
    
    /* Bottom Hero Section */
    .hero-section {
        background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
        border-radius: 0 0 20px 20px;
        overflow: hidden;
        position: relative;
        min-height: 500px;
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    }
    
    .hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), 
                    url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
        background-size: cover;
        background-position: center;
        transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        filter: saturate(1.2) brightness(0.9);
    }
    
    .hero-bg.featured-theme {
        background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), 
                    url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    }
    
    .hero-bg.testimonials {
        background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), 
                    url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    }
    
    .hero-content {
        position: relative;
        z-index: 2;
        padding: 1px;
        max-width: 800px;
    }
    
    .category-label {
        display: inline-block;
        background: linear-gradient(90deg, #4f46e5, #8b5cf6);
        color: white;
        padding: 8px 20px;
        border-radius: 25px;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 1px;
        text-transform: uppercase;
        margin-bottom: 25px;
        box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
    }
    
    .hero-title {
        font-size: 48px;
        font-weight: 800;
        color: white;
        line-height: 1.1;
        margin-bottom: 30px;
        letter-spacing: -0.5px;
        text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    
    .hero-title span {
        background: linear-gradient(90deg, #60a5fa, #38bdf8);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .article-heading {
        font-size: 24px;
        font-weight: 700;
        color: #f1f5f9;
        margin-bottom: 25px;
        line-height: 1.4;
        padding-left: 20px;
        border-left: 4px solid #4f46e5;
    }
    
    .hero-description {
        font-size: 18px;
        color: #cbd5e1;
        line-height: 1.7;
        margin-bottom: 40px;
        max-width: 600px;
    }
    
    .cta-buttons {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .cta-button {
        padding: 16px 32px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 600;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .cta-primary {
        background: linear-gradient(135deg, #4f46e5, #7c3aed);
        color: white;
        box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
    }
    
    .cta-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 35px rgba(79, 70, 229, 0.5);
    }
    
    .cta-secondary {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.2);
    }
    
    .cta-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
        border-color: rgba(255, 255, 255, 0.3);
        transform: translateY(-3px);
    }
    
    .cta-outline {
        background: transparent;
        color: white;
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .cta-outline:hover {
        border-color: #4f46e5;
        background: rgba(79, 70, 229, 0.1);
        transform: translateY(-3px);
    }
    
    /* Slider Navigation */
    .slider-nav {
        position: absolute;
        bottom: 40px;
        right: 40px;
        display: flex;
        gap: 15px;
        z-index: 3;
    }
    
    .nav-button {
        width: 56px;
        height: 56px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border: 2px solid rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 20px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .nav-button:hover {
        background: rgba(79, 70, 229, 0.8);
        border-color: #4f46e5;
        transform: scale(1.1);
        box-shadow: 0 10px 25px rgba(79, 70, 229, 0.3);
    }
    
    /* Progress Indicator */
    .progress-indicator {
        position: absolute;
        bottom: 40px;
        left: 60px;
        display: flex;
        gap: 8px;
        align-items: center;
        color: #94a3b8;
        font-size: 14px;
        font-weight: 500;
    }
    
    .progress-bar {
        width: 200px;
        height: 4px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 2px;
        overflow: hidden;
    }
    
    .progress-fill {
        width: 33%;
        height: 100%;
        background: linear-gradient(90deg, #4f46e5, #8b5cf6);
        border-radius: 2px;
        transition: width 0.3s ease;
    }
    
    /* Responsive Design for Featured Section */
    @media (max-width: 1024px) {
        .tabs-container {
            grid-template-columns: repeat(3, 1fr);
        }
        
        .hero-title {
            font-size: 38px;
        }
    }
    
    @media (max-width: 768px) {
        .tabs-container {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .hero-content {
            padding: 40px 30px;
        }
        
        .hero-title {
            font-size: 32px;
        }
        
        .article-heading {
            font-size: 20px;
        }
        
        .cta-buttons {
            flex-direction: column;
        }
        
        .slider-nav {
            bottom: 20px;
            right: 20px;
        }
        
        .progress-indicator {
            left: 30px;
            bottom: 20px;
        }
    }
    
    @media (max-width: 480px) {
        .tabs-container {
            grid-template-columns: 1fr;
        }
        
        .hero-title {
            font-size: 28px;
        }
        
        .article-footer {
            flex-direction: column;
            align-items: flex-start;
            gap: 15px;
        }
        
        .social-sharing {
            width: 100%;
            justify-content: space-between;
        }
    }
    
    @media (max-width: 768px) {
        .carousel-control-prev, .carousel-control-next {
            display: none;
        }
        
        .partner-logo {
            height: 40px;
            margin: 10px;
        }
        
        .search-container {
            max-width: 100%;
        }
        
        .article-image-container {
            height: 180px;
        }
    }
    
    /* Animation */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .hero-content > * {
        animation: fadeInUp 0.6s ease forwards;
        opacity: 0;
    }
    
    .hero-content > *:nth-child(1) { animation-delay: 0.1s; }
    .hero-content > *:nth-child(2) { animation-delay: 0.2s; }
    .hero-content > *:nth-child(3) { animation-delay: 0.3s; }
    .hero-content > *:nth-child(4) { animation-delay: 0.4s; }
    .hero-content > *:nth-child(5) { animation-delay: 0.5s; }
    @media (max-width: 768px) {
    .tab-badge {
        display: none;
    }
}