:root {
            --dark-blue: #0a1435;
            --light-blue: #2563eb;
            --accent: #7e22ce;
            --yellow: #fcd980;
            --white: #ffffff;
            --light-gray: #f8fafc;
            --dark-gray: #1e293b;
            --gradient: linear-gradient(135deg, var(--light-blue) 0%, var(--accent) 100%);
            --transition: all 0.3s ease;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 15px 40px rgba(37, 99, 235, 0.15);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--dark-gray);
            line-height: 1.6;
            background-color: #f9f9f9;
            overflow-x: hidden;
        }

        /* Fixed Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: var(--dark-blue);
            color: white;
            display: flex;
            align-items: center;
            padding: 0 20px;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .navbar-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
        }

        /* Breadcrumb - Fixed positioning */
        .breadcrumb {
            background: linear-gradient(90deg, #eef4fa 0%, #f0f4ff 100%);
            padding: 15px 0;
            position: relative;
            z-index: 99;
            margin-top: 80px; /* Same as navbar height */
        }

        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
            color: var(--dark-blue);
            opacity: 0.7;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            flex-wrap: wrap;
        }

        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 10px;
        }

        .breadcrumb a {
            color: var(--dark-blue);
            text-decoration: none;
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--light-blue);
            text-decoration: underline;
        }

        /* Main content */
        .element-all-blog {
            width: 100%;
            max-width: 1584px;
            margin: 0 auto;
            position: relative;
            padding-top: 20px; /* Space for fixed navbar */
        }

        .content-wrapper {
            display: flex;
            padding: 60px 20px;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }

        /* Blog listing */
        .blog-listing {
            flex: 1;
            min-width: 0;
        }

        .top-heading {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
            width: 100%;
            flex-wrap: wrap;
            gap: 20px;
        }

        .all-courses {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dark-blue);
            font-family: 'Montserrat', sans-serif;
        }

        .search-form {
            display: flex;
            width: 100%;
            max-width: 300px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            padding: 8px 15px;
            background: var(--white);
            transition: var(--transition);
        }

        .search-form:focus-within {
            border-color: var(--light-blue);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
        }

        .search-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 5px 0;
            font-family: 'Poppins', sans-serif;
            font-size: 1rem;
            color: var(--dark-gray);
        }

        .search-form input:focus {
            outline: none;
        }

        .search-form button {
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .search-form button img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        /* Articles grid */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .article-card-link {
            display: block;
            transition: var(--transition);
        }

        .article-card-link:hover {
            transform: translateY(-5px);
        }

        .article-card {
            display: flex;
            flex-direction: column;
            border-radius: 12px;
            overflow: hidden;
            background: var(--white);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .article-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .article-card:hover .article-content h3 {
            color: var(--light-blue);
        }

        .article-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .article-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--dark-blue);
            line-height: 1.4;
            transition: var(--transition);
        }

        .article-meta {
            display: flex;
            gap: 16px;
        }

        .article-meta span {
            font-size: 0.9rem;
            color: #64748b;
        }

        .article-content p {
            font-size: 1rem;
            color: #64748b;
            line-height: 1.6;
            margin-top: auto;
            text-align: justify;
        }

        /* Sidebar */
        .sidebar {
            width: 300px;
            flex-shrink: 0;
        }

        .sidebar-section {
            margin-bottom: 40px;
            background: var(--white);
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }

        .sidebar-section h2 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--dark-blue);
            margin-bottom: 20px;
            font-family: 'Montserrat', sans-serif;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
            position: relative;
        }

        .sidebar-section h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--gradient);
        }

        /* Categories */
        .category-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 12px;
            padding: 8px 0;
            border-bottom: 1px solid #f1f5f9;
            transition: var(--transition);
        }

        .category-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }

        .category-item a {
            font-size: 1rem;
            color: #64748b;
            flex: 1;
            transition: var(--transition);
        }

        .category-item a.selected {
            color: var(--dark-blue);
            font-weight: 600;
        }

        .category-item span {
            font-size: 0.9rem;
            color: #cbd5e1;
            transition: var(--transition);
        }

        .category-item:hover a,
        .category-item:hover span {
            color: var(--light-blue);
        }

        /* Recent posts */
        .recent-post {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            align-items: center;
            transition: var(--transition);
        }

        .recent-post:last-child {
            margin-bottom: 0;
        }

        .recent-post-image {
            width: 70px;
            height: 70px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .recent-post-title {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark-gray);
            transition: var(--transition);
            line-height: 1.4;
        }

        .recent-post:hover .recent-post-title {
            color: var(--light-blue);
        }

        /* Tags */
        .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item a {
            display: inline-block;
            padding: 8px 16px;
            background: #f1f5f9;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #64748b;
            transition: var(--transition);
        }

        .tag-item a.selected {
            background: var(--gradient);
            color: var(--white);
        }

        .tag-item a:hover {
            background: var(--light-blue);
            color: var(--white);
        }

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin: 50px 0 30px;
            flex-wrap: wrap;
        }

        .pagination-item {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border: 1px solid #e2e8f0;
            border-radius: 50%;
            transition: var(--transition);
            background: var(--white);
        }

        .pagination-item.current {
            background: var(--gradient);
            border-color: transparent;
        }

        .pagination-item a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
            font-size: 1rem;
            font-weight: 500;
            color: var(--dark-gray);
        }

        .pagination-item.current a {
            color: var(--white);
        }

        .pagination-item:hover:not(.current) {
            background: #f1f5f9;
            border-color: #cbd5e1;
        }

        .pagination-item img {
            width: 16px;
            height: 16px;
            object-fit: contain;
        }

        /* Footer */
        .main-footer {
            background: var(--dark-blue);
            color: var(--white);
            padding: 60px 0 0;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-branding {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .footer-logo-tagline {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .footer-logo {
            width: 50px;
            height: 50px;
            object-fit: contain;
        }

        .footer-tagline {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--white);
        }

        .footer-description {
            color: #cbd5e1;
            line-height: 1.6;
        }

        .footer-contact h3,
        .footer-social h3,
        .footer-legal h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--white);
        }

        .footer-contact p {
            margin-bottom: 10px;
            color: #cbd5e1;
        }

        .footer-social ul,
        .footer-legal ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-social a,
        .footer-legal a {
            color: #cbd5e1;
            transition: var(--transition);
        }

        .footer-social a:hover,
        .footer-legal a:hover {
            color: var(--white);
        }

        .footer-bottom {
            background: rgba(0, 0, 0, 0.2);
            padding: 20px 0;
            margin-top: 60px;
        }

        .footer-bottom-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .copyright {
            color: #cbd5e1;
            font-size: 0.9rem;
        }

        .footer-nav ul {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-nav a {
            color: #cbd5e1;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-nav a:hover {
            color: var(--white);
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .content-wrapper {
                flex-direction: column;
            }
            
            .sidebar {
                width: 100%;
                margin-top: 40px;
            }
            
            .articles-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .top-heading {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .search-form {
                max-width: 100%;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
            }
            
            .article-card {
                flex-direction: column;
                height: auto;
            }
            
            .article-image {
                height: 200px;
            }
            
            .footer-bottom-container {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-nav ul {
                justify-content: center;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .footer-logo-tagline {
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .content-wrapper {
                padding: 40px 15px;
            }
            
            .all-courses {
                font-size: 1.8rem;
            }
            
            .sidebar-section {
                padding: 20px;
            }
            
            .pagination {
                gap: 10px;
            }
            
            .pagination-item {
                width: 40px;
                height: 40px;
            }
            
            .footer-nav ul {
                gap: 15px;
            }
        }

        @media (max-width: 400px) {
            .article-content {
                padding: 15px;
            }
            
            .article-content h3 {
                font-size: 1.1rem;
            }
            
            .tags-list {
                gap: 8px;
            }
            
            .tag-item a {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
        }