:root {
                --primary: hsl(219, 79%, 49%);
                --secondary: #95a5a6;
                --accent: #e74c3c;
                --light: #ecf0f1;
                --dark: #2c3e50;
                --success: #27ae60;
                --warning: #f39c12;
                --info: #3498db;
            }

            /* #2c3e50 */
            body {
                font-family: "Inter", sans-serif;
                color: #333;
                line-height: 1.6;
            }

            h1,
            h2,
            h3,
            h4,
            h5,
            h6 {
                font-family: "Playfair Display", serif;
                font-weight: 700;
            }

            .navbar-brand {
                font-family: "Playfair Display", serif;
                font-weight: 900;
                font-size: 1.8rem;
            }

            .hero-section {
                background: linear-gradient(
                        135deg,
                        var(--primary) 0%,
                        rgba(52, 101, 151, 0.9) 100%
                    ),
                    url("https://images.unsplash.com/photo-1504711434969-e33886168f5c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80")
                        center/cover no-repeat;
                color: white;
                padding: 120px 0 80px;
                position: relative;
            }

            .hero-title {
                font-size: 3.5rem;
                font-weight: 900;
                margin-bottom: 1.5rem;
                line-height: 1.2;
            }
            a {
                text-decoration: none;
            }

            @media (max-width: 768px) {
                .hero-title {
                    font-size: 2.5rem;
                }
            }

            .section-title {
                position: relative;
                margin-bottom: 3rem;
                padding-bottom: 1rem;
            }

            .section-title:after {
                content: "";
                position: absolute;
                bottom: 0;
                left: 0;
                width: 60px;
                height: 3px;
                background: var(--primary);
            }

            .article-card {
                transition: all 0.3s ease;
                border: none;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
                overflow: hidden;
                height: 100%;
            }

            .article-card:hover {
                transform: translateY(-10px);
                box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            }

            .article-image {
                height: 50vh;
                object-fit: cover;
                width: 100%;
                transition: transform 0.5s ease;
            }

            .article-card:hover .article-image {
                transform: scale(1.05);
            }

            .category-badge {
                position: absolute;
                top: 15px;
                left: 15px;
                font-size: 0.75rem;
                font-weight: 600;
                text-transform: uppercase;
                padding: 5px 10px;
                border-radius: 3px;
                z-index: 2;
            }

            .featured-article {
                position: relative;
                border-radius: 10px;
                overflow: hidden;
                height: 500px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            }

            .featured-content {
                position: absolute;
                bottom: 0;
                left: 0;
                right: 0;
                background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
                color: white;
                padding: 2rem;
            }

            .podcast-card {
                background: var(--light);
                border-radius: 10px;
                padding: 1.5rem;
                height: 100%;
                transition: all 0.3s ease;
            }

            .podcast-card:hover {
                background: white;
                box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
                transform: translateY(-5px);
            }

            .video-card {
                position: relative;
                border-radius: 10px;
                overflow: hidden;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }

            .video-overlay {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0, 0, 0, 0.3);
                display: flex;
                align-items: center;
                justify-content: center;
                opacity: 0;
                transition: opacity 0.3s ease;
            }

            .video-card:hover .video-overlay {
                opacity: 1;
            }

            .play-button {
                width: 60px;
                height: 60px;
                background: var(--accent);
                border-radius: 50%;
                display: flex;
                align-items: center;
                justify-content: center;
                color: white;
                font-size: 1.5rem;
                transition: transform 0.3s ease;
            }

            .video-card:hover .play-button {
                transform: scale(1.1);
            }

            .trending-badge {
                position: absolute;
                top: 15px;
                right: 15px;
                background: var(--accent);
                color: white;
                padding: 5px 10px;
                border-radius: 3px;
                font-size: 0.75rem;
                font-weight: 600;
            }

            .author-avatar {
                width: 40px;
                height: 40px;
                border-radius: 50%;
                object-fit: cover;
            }

            .newsletter-section {
                background: linear-gradient(
                    135deg,
                    var(--primary) 0%,
                    var(--dark) 100%
                );
                color: white;
                padding: 80px 0;
            }

            .footer {
                background: linear-gradient(
                    135deg,
                    var(--primary) 0%,
                    var(--dark) 100%
                );
                color: white;
                padding: 60px 0 30px;
            }

            .social-icons a {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 40px;
                height: 40px;
                background: var(--primary);
                border-radius: 50%;
                margin-right: 10px;
                transition: all 0.3s ease;
            }

            .social-icons a:hover {
                background: var(--accent);
                transform: translateY(-3px);
            }

            .scroll-to-top {
                position: fixed;
                bottom: 30px;
                right: 30px;
                width: 50px;
                height: 50px;
                background: var(--primary);
                color: white;
                border-radius: 50%;
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 1.2rem;
                cursor: pointer;
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                z-index: 1000;
            }

            .scroll-to-top.active {
                opacity: 1;
                visibility: visible;
            }

            .navbar {
                transition: all 0.3s ease;
                padding: 15px 0;
            }

            .navbar.scrolled {
                background: white;
                box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
                padding: 10px 0;
            }

            .reading-time {
                font-size: 0.85rem;
                color: var(--secondary);
            }

            .divider {
                height: 1px;
                background: #e0e0e0;
                margin: 2rem 0;
            }




            /* artile */

        body {
            font-family: 'Inter', sans-serif;
            color: #333;
            line-height: 1.6;
            background-color: #f8f9fa;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Playfair Display', serif;
            font-weight: 700;
        }

        .navbar-brand {
            font-family: 'Playfair Display', serif;
            font-weight: 900;
            font-size: 1.8rem;
        }

        .article-header {
            background: linear-gradient(135deg, var(--primary) 0%, rgba(52, 73, 94, 0.9) 100%);
            color: white;
            padding: 120px 0 60px;
            position: relative;
        }

        .article-title {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        @media (max-width: 768px) {
            .article-title {
                font-size: 2.2rem;
            }
        }

        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
        }

        .article-content {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.08);
            padding: 3rem;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        @media (max-width: 768px) {
            .article-content {
                padding: 2rem 1.5rem;
                margin-top: -30px;
            }
        }

        .article-image {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .article-body {
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .article-body p {
            margin-bottom: 1.5rem;
        }

        .article-body h2 {
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--dark);
            background: var(--light);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }

        .article-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            border-top: 1px solid #e0e0e0;
            border-bottom: 1px solid #e0e0e0;
            margin: 2rem 0;
        }

        .action-btn {
            display: inline-flex;
            align-items: center;
            background: var(--light);
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .action-btn:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }

        .action-btn i {
            margin-right: 8px;
        }
        .tags a {
            display: inline-block;
            margin-right: 10px;
        }

                .tags li {
            display: inline-block;
            margin-right: 10px;
        }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 1.5rem 0;
        }

        .tag {
            background: var(--light);
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .author-card {
            background: var(--light);
            border-radius: 10px;
            padding: 2rem;
            margin: 2rem 0;
        }

        .related-articles {
            margin: 4rem 0 2rem;
        }

        .section-title {
            position: relative;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
        }

        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent);
        }

        .article-card {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .article-card-image {
            height: 200px;
            object-fit: cover;
            width: 100%;
            transition: transform 0.5s ease;
        }

        .article-card:hover .article-card-image {
            transform: scale(1.05);
        }

        .category-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            padding: 5px 10px;
            border-radius: 3px;
            z-index: 2;
        }

        .reading-time {
            font-size: 0.85rem;
            color: var(--secondary);
        }

        .comments-section {
            margin: 3rem 0;
        }

        .comment-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }

        .comment-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }

 .navbar-nav .nav-link {
    color: var(--primary) !important;
    font-weight: 700;
    transition: color 0.3s ease;
    font-size: 1.125rem;
 }

        .navbar {
            transition: all 0.3s ease;
            padding: 15px 0;
        }

        .navbar.scrolled {
            background: white;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            padding: 10px 0;
        }

        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 4px;
            background: var(--accent);
            width: 0%;
            z-index: 1001;
            transition: width 0.3s ease;
        }

        .table-of-contents {
            position: sticky;
            top: 100px;
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 2rem;
        }

        .toc-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e0e0e0;
        }

        .toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .toc-list li {
            margin-bottom: 0.5rem;
        }

        .toc-list a {
            color: var(--dark);
            text-decoration: none;
            transition: all 0.3s ease;
            display: block;
            padding: 0.3rem 0;
        }

        .toc-list a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .toc-list a.active {
            color: var(--accent);
            font-weight: 600;
            border-left: 3px solid var(--accent);
            padding-left: 10px;
        }
/* articles */

        .page-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: 100px 0 60px;
        }

        .section-title {
            position: relative;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
        }

        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent);
        }

        .article-card {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            height: 100%;
        }

        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .article-image {
            object-fit: cover;
            width: 100%;
            transition: transform 0.5s ease;
        }

        .article-card:hover .article-image {
            transform: scale(1.05);
        }

        .category-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            padding: 5px 10px;
            border-radius: 3px;
            z-index: 2;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
        }

        .reading-time {
            font-size: 0.85rem;
            color: var(--secondary);
        }

        .filter-section {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 2rem;
        }

        .pagination .page-link {
            color: var(--primary);
            border: none;
            padding: 0.75rem 1rem;
            margin: 0 3px;
            border-radius: 5px;
        }

        .pagination .page-item.active .page-link {
            background: var(--accent);
            border-color: var(--accent);
        }


        .section-title {
            position: relative;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
        }

        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent);
        }

        .team-card {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
        }

        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .team-avatar {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 1.5rem;
            border: 5px solid var(--light);
        }

        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .contact-card {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
            text-align: center;
        }

        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .contact-icon {
            width: 70px;
            height: 70px;
            background: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary);
            font-size: 1.5rem;
        }

        .form-control {
            border: 1px solid #e0e0e0;
            padding: 0.75rem 1rem;
            border-radius: 8px;
        }

        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.1);
        }