:root {
            --primary: #1a4f8b;
            --primary-dark: #0e3262;
            --primary-light: #e8f1f9;
            --secondary: #064be0;
            --secondary-dark: #064be0;
            --secondary-light: #fef5e7;
            --accent: #176ceb;
            --light: #f8f9fa;
            --dark: #2c3e50;
            --gray: #6c757d;
            --light-gray: #e9ecef;
            --success: #27ae60;
            --warning: #064be0;
            --info: #064be0;
            --white: #ffffff;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --radius: 10px;
            --header-height: 80px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--dark);
            line-height: 1.7;
            background-color: var(--white);
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        
        .container {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        .section {
            padding: 6rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }
        
        .section-title h2 {
            font-size: 2.8rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            padding-bottom: 1rem;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 1rem auto 0;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.9rem 2.2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            outline: none;
            gap: 0.5rem;
        }
        
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(26, 79, 139, 0.3);
        }
        
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 79, 139, 0.4);
        }
        
        .btn-secondary {
            background: var(--secondary);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
        }
        
        .btn-secondary:hover {
            background: var(--secondary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(243, 156, 18, 0.4);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 79, 139, 0.3);
        }
        
        .btn-white {
            background: var(--white);
            color: var(--primary);
            box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
        }
        
        .btn-white:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
        }
        
        /* Header Styles */
        header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: var(--transition);
        }
        
        header.scrolled {
            padding: 0.5rem 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-img {
            width: 70px;
            height: 70px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: var(--white);
            font-size: 2rem;
            box-shadow: var(--shadow);
        }
        
        .logo-text h1 {
            font-size: 1.5rem;
            margin-bottom: 0.2rem;
            color: var(--primary);
        }
        
        .logo-text p {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 500;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            margin: 0 0.8rem;
        }
        
        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
            padding: 0.5rem 0;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: var(--transition);
            border-radius: 2px;
        }
        
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        
        .nav-cta {
            display: flex;
            align-items: center;
        }
        
        .nav-cta .btn {
            margin-left: 1rem;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
            background: none;
            border: none;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(26, 79, 139, 0.85), rgba(26, 79, 139, 0.9)), url('https://images.unsplash.com/photo-1584614375600-ca0638f21602?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=1800&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: var(--white);
            padding: 12rem 0 6rem;
            margin-top: var(--header-height);
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 150px;
            background: linear-gradient(to top, var(--white), transparent);
            z-index: 1;
        }
        
        .hero-content {
            max-width: 800px;
            position: relative;
            z-index: 2;
        }
        
        .hero-content h1 {
            font-size: 3.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            font-weight: 800;
        }
        
        .hero-content p {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            opacity: 0.95;
            font-weight: 300;
        }
        
        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        
        .hero-stats {
            display: flex;
            margin-top: 4rem;
            gap: 3rem;
            flex-wrap: wrap;
        }
        
        .stat-item {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            padding: 1.2rem 1.8rem;
            border-radius: var(--radius);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        
        .stat-icon {
            font-size: 2.8rem;
            margin-right: 1.2rem;
            color: var(--secondary);
        }
        
        .stat-text h3 {
            font-size: 2.2rem;
            margin-bottom: 0.2rem;
            font-weight: 700;
        }
        
        .stat-text p {
            margin-bottom: 0;
            opacity: 0.9;
            font-size: 1rem;
        }
        
        /* Features Section */
        .features {
            background: var(--white);
            position: relative;
            z-index: 2;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }
        
        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
            border-bottom: 4px solid transparent;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
            border-bottom-color: var(--primary);
        }
        
        .feature-icon {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 1.8rem;
            background: var(--primary-light);
            width: 90px;
            height: 90px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }
        
        .feature-card h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
        }
        
        .feature-card p {
            color: var(--gray);
            line-height: 1.7;
        }
        
        /* Courses Section */
        .courses {
            background: var(--light);
        }
        
        .courses-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 3rem;
            flex-wrap: wrap;
            background: var(--white);
            padding: 0.5rem;
            border-radius: 50px;
            box-shadow: var(--shadow);
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .tab-btn {
            padding: 0.8rem 1.8rem;
            background: transparent;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border-radius: 50px;
            margin: 0.2rem;
        }
        
        .tab-btn.active {
            background: var(--primary);
            color: var(--white);
            box-shadow: var(--shadow);
        }
        
        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2.5rem;
        }
        
        .course-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .course-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        
        .course-img {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .course-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 50%;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
        }
        
        .course-category {
            position: absolute;
            top: 1.5rem;
            left: 1.5rem;
            background: var(--secondary);
            color: var(--white);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
        }
        
        .course-content {
            padding: 2rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .course-title {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .course-desc {
            color: var(--gray);
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }
        
        .course-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .course-info span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .course-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: 1.5rem;
            border-top: 1px solid var(--light-gray);
        }
        
        .course-price {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.3rem;
        }
        
        /* Admissions Section */
        .admissions {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        
        .admissions::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        
        .admissions::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }
        
        .admissions-container {
            display: flex;
            align-items: center;
            gap: 4rem;
            position: relative;
            z-index: 2;
        }
        
        .admissions-content {
            flex: 1;
        }
        
        .admissions-content h2 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        
        .admissions-content p {
            margin-bottom: 2rem;
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        .admissions-list {
            margin: 2rem 0;
        }
        
        .admissions-list h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .admissions-list ul {
            list-style: none;
            margin-left: 1.5rem;
        }
        
        .admissions-list li {
            margin-bottom: 0.8rem;
            position: relative;
            padding-left: 1.5rem;
        }
        
        .admissions-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: bold;
        }
        
        .admissions-form {
            flex: 1;
            background: var(--white);
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
        }
        
        .form-title {
            color: var(--primary);
            text-align: center;
            margin-bottom: 2rem;
            font-size: 1.8rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--dark);
            font-weight: 600;
        }
        
        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 1px solid var(--light-gray);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
            font-family: 'Open Sans', sans-serif;
        }
        
        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 79, 139, 0.2);
        }
        
        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            background-size: 1em;
        }
        
        .btn-block {
            display: block;
            width: 100%;
        }
        
        /* About Section */
        .about {
            background: var(--white);
        }
        
        .about-container {
            display: flex;
            gap: 4rem;
            align-items: center;
        }
        
        .about-content {
            flex: 1;
        }
        
        .about-content h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        
        .about-content p {
            margin-bottom: 1.5rem;
            color: var(--gray);
        }
        
        .about-features {
            margin-top: 2.5rem;
        }
        
        .about-feature {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.8rem;
        }
        
        .about-feature-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-right: 1.5rem;
            flex-shrink: 0;
        }
        
        .about-feature-content h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--primary);
        }
        
        .about-feature-content p {
            margin-bottom: 0;
            color: var(--gray);
        }
        
        .about-image {
            flex: 1;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        
        .about-image:hover img {
            transform: scale(1.05);
        }
        
        .about-image::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 100px;
            height: 100px;
            background: var(--secondary);
            border-radius: 10px;
            z-index: -1;
            opacity: 0.7;
        }
        
        .about-image::after {
            content: '';
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 80px;
            height: 80px;
            background: var(--primary);
            border-radius: 10px;
            z-index: -1;
            opacity: 0.7;
        }
        
        /* Testimonials Section */
        .testimonials {
            background: var(--light);
            position: relative;
        }
        
        .testimonials::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M25,25 L75,25 L75,75 L25,75 Z" stroke="rgba(26,79,139,0.03)" stroke-width="1" fill="none"/></svg>');
            background-size: 50px 50px;
            opacity: 0.5;
        }
        
        .testimonials-container {
            position: relative;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
        }
        
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin: 1rem;
            position: relative;
            transition: var(--transition);
        }
        
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        
        .testimonial-card::before {
            content: '"';
            font-size: 6rem;
            color: var(--primary-light);
            position: absolute;
            top: 1rem;
            left: 1.5rem;
            font-family: Georgia, serif;
            line-height: 1;
        }
        
        .testimonial-text {
            font-style: italic;
            color: var(--gray);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
            line-height: 1.8;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 1.2rem;
            border: 3px solid var(--primary-light);
        }
        
        .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .author-info h4 {
            margin-bottom: 0.2rem;
            color: var(--primary);
        }
        
        .author-info p {
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        .testimonial-rating {
            color: var(--secondary);
            margin-top: 0.3rem;
        }
        
        /* Blog Section */
        .blog {
            background: var(--white);
        }
        
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2.5rem;
        }
        
        .blog-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .blog-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        
        .blog-image {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .blog-date {
            position: absolute;
            top: 1.5rem;
            left: 1.5rem;
            background: var(--primary);
            color: var(--white);
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .blog-content {
            padding: 2rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .blog-title {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .blog-excerpt {
            color: var(--gray);
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }
        
        .blog-meta {
            display: flex;
            align-items: center;
            color: var(--gray);
            font-size: 0.9rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--light-gray);
        }
        
        .blog-meta i {
            margin-right: 0.5rem;
            color: var(--primary);
        }
        
        /* Contact Section */
        .contact {
            background: var(--light);
        }
        
        .contact-container {
            display: flex;
            gap: 4rem;
        }
        
        .contact-info {
            flex: 1;
        }
        
        .contact-form {
            flex: 1;
            background: var(--white);
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        
        .info-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 2.5rem;
        }
        
        .info-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-right: 1.5rem;
            flex-shrink: 0;
        }
        
        .info-content h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: var(--primary);
        }
        
        .info-content p {
            color: var(--gray);
            line-height: 1.7;
        }
        
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }
        
        .social-link {
            width: 45px;
            height: 45px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .social-link:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            color: var(--white);
            padding: 5rem 0 2rem;
            position: relative;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            position: relative;
            z-index: 2;
        }
        
        .footer-col h3 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary);
        }
        
        .footer-col p {
            margin-bottom: 1.5rem;
            opacity: 0.8;
            line-height: 1.7;
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .footer-links a {
            color: var(--white);
            text-decoration: none;
            opacity: 0.8;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .footer-links a:hover {
            opacity: 1;
            padding-left: 5px;
        }
        
        .footer-social {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        
        .social-icon {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        
        .social-icon:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
        }
        
        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
        }
        
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-5px);
        }
        
        /* Responsive Styles */
        @media (max-width: 1200px) {
            .container {
                max-width: 1140px;
            }
        }
        
        @media (max-width: 992px) {
            .container {
                max-width: 960px;
            }
            
            .hero-content h1 {
                font-size: 2.8rem;
            }
            
            .admissions-container,
            .about-container,
            .contact-container {
                flex-direction: column;
            }
            
            .about-image {
                margin-top: 3rem;
            }
            
            .contact-info {
                margin-bottom: 3rem;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                max-width: 720px;
            }
            
            .section {
                padding: 4rem 0;
            }
            
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: -100%;
                flex-direction: column;
                background: var(--white);
                width: 100%;
                height: calc(100vh - var(--header-height));
                padding: 2rem;
                box-shadow: var(--shadow);
                transition: var(--transition);
                overflow-y: auto;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 1rem 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .nav-cta {
                display: none;
            }
            
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 1.5rem;
            }
            
            .stat-item {
                width: 100%;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .courses-grid,
            .blog-grid {
                grid-template-columns: 1fr;
            }
            
            .testimonials-container {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .container {
                max-width: 540px;
                padding: 0 1rem;
            }
            
            .section {
                padding: 3rem 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .hero {
                padding: 8rem 0 4rem;
            }
            
            .hero-content h1 {
                font-size: 2rem;
            }
            
            .hero-content p {
                font-size: 1.1rem;
            }
            
            .feature-card,
            .course-card,
            .blog-card {
                max-width: 100%;
                margin: 0 auto;
            }
            
            .admissions-form,
            .contact-form {
                padding: 1.5rem;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
            }
        }