:root {
            --primary-dark: #0c1a2d;
            --primary-blue: #1a3a5f;
            --accent-orange: #f0a500;
            --accent-teal: #2ec4b6;
            --text-light: #e0e0e0;
            --text-offwhite: #f5f7fa;
            --card-bg: #152642;
            --border-color: #2a4a7a;
            --shadow: 0 8px 24px rgba(0, 20, 40, 0.6);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background: linear-gradient(135deg, var(--primary-dark) 0%, #112240 100%);
            min-height: 100vh;
        }
        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-orange);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(12, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--accent-orange), var(--accent-teal));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            border-bottom-color: var(--accent-orange);
            color: var(--text-offwhite);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent-teal);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: #a0b3d0;
        }
        .breadcrumb a {
            margin: 0 5px;
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .hero {
            background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.95)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            padding: 60px 0;
            text-align: center;
            border-radius: 0 0 20px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: var(--text-offwhite);
            text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #c0d0eb;
        }
        .search-box {
            max-width: 700px;
            margin: 30px auto 0;
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            background: rgba(255,255,255,0.93);
            color: #222;
        }
        .search-box button {
            background: linear-gradient(to right, var(--accent-orange), #ff8c00);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 35px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: linear-gradient(to right, #ff8c00, var(--accent-orange));
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        .article-content {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        .article-content h2 {
            color: var(--accent-orange);
            font-size: 2.4rem;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-content h3 {
            color: var(--accent-teal);
            font-size: 1.8rem;
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 22px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--accent-orange);
            font-weight: 700;
        }
        .article-content em {
            color: #a0d2ff;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #1a2b4a, #152642);
            border-left: 5px solid var(--accent-orange);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 12px 12px 0;
        }
        .class-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .class-card {
            background: linear-gradient(145deg, #1c2f50, #152642);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .class-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.4);
            border-color: var(--accent-teal);
        }
        .class-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--accent-teal);
        }
        .class-card h3 {
            margin-bottom: 12px;
            color: var(--text-offwhite);
        }
        .stats-bar {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
        }
        .stat {
            text-align: center;
        }
        .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-orange);
        }
        .stat-label {
            font-size: 0.9rem;
            color: #a0b3d0;
        }
        .featured-image {
            width: 100%;
            border-radius: 12px;
            margin: 35px 0;
            border: 3px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
        }
        .sidebar-widget h3 {
            color: var(--accent-orange);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 15px 0;
            letter-spacing: 5px;
        }
        .rating-btn {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            margin: 10px 5px;
            transition: var(--transition);
        }
        .rating-btn:hover {
            background: var(--accent-teal);
        }
        .comment-form textarea {
            width: 100%;
            height: 150px;
            padding: 15px;
            border-radius: 8px;
            background: #1a2b4a;
            border: 1px solid var(--border-color);
            color: var(--text-light);
            margin-bottom: 15px;
            resize: vertical;
            font-family: inherit;
        }
        .comment-form button {
            background: linear-gradient(to right, var(--accent-teal), #2a9d8f);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: linear-gradient(to right, #2a9d8f, var(--accent-teal));
        }
        .web-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 50px 0 30px;
        }
        .web-link {
            background: var(--primary-blue);
            padding: 12px 25px;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--accent-teal);
            transform: scale(1.05);
        }
        .site-footer {
            background-color: #0a1525;
            border-top: 2px solid var(--border-color);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: var(--accent-orange);
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: #8a9bb2;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background: var(--primary-dark);
                padding: 20px;
                transition: var(--transition);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .mobile-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box input,
            .search-box button {
                border-radius: 50px;
                margin: 5px 0;
            }
            .article-content {
                padding: 25px;
            }
            .class-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .sidebar-widget {
            animation: fadeInUp 0.6s ease-out;
        }