:root {
            --primary: #2c5fa8;
            --secondary: #f8b334;
            --dark: #333;
            --light: #f9f9f9;
            --success: #4caf50;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .teaching-section {
            width: 100%;
            background-color: var(--light);
            padding: 0;
            overflow: hidden;
        }
        
        /* Hero Section */
        .hero {
            position: relative;
            height: 80vh;
            min-height: 500px;
            background: linear-gradient(rgba(44, 95, 168, 0.7), rgba(44, 95, 168, 0.7)), 
                        url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            padding: 0 10%;
            text-align: left;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        
        .cta-button {
            display: inline-block;
            background-color: var(--secondary);
            color: var(--dark);
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        
        .cta-button:hover {
            background-color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        /* Features Section */
        .features {
            padding: 80px 10%;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #666;
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: var(--light);
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .feature-card p {
            color: #666;
            line-height: 1.6;
        }
        
        /* Products Showcase */
        .products {
            padding: 80px 10%;
            background-color: #f5f7fa;
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .product-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
        }
        
        .product-image {
            height: 200px;
            overflow: hidden;
        }
        
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .product-card:hover .product-image img {
            transform: scale(1.1);
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-info h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .product-info p {
            color: #666;
            margin-bottom: 15px;
            line-height: 1.5;
        }
        
        .product-category {
            display: inline-block;
            background-color: var(--secondary);
            color: var(--dark);
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 0.8rem;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        /* Testimonials */
        .testimonials {
            padding: 80px 10%;
            background-color: white;
        }
        
        .testimonials-slider {
            max-width: 1000px;
            margin: 50px auto 0;
            position: relative;
        }
        
        .testimonial {
            background-color: var(--light);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            display: none;
        }
        
        .testimonial.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .testimonial-text {
            font-size: 1.1rem;
            color: #555;
            font-style: italic;
            line-height: 1.6;
            margin-bottom: 20px;
            position: relative;
        }
        
        .testimonial-text::before,
        .testimonial-text::after {
            content: '"';
            font-size: 2rem;
            color: var(--secondary);
            opacity: 0.5;
        }
        
        .testimonial-author {
            font-weight: bold;
            color: var(--primary);
        }
        
        .testimonial-role {
            color: #777;
            font-size: 0.9rem;
        }
        
        .testimonial-nav {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }
        
        .testimonial-dot {
            width: 12px;
            height: 12px;
            background-color: #ccc;
            border-radius: 50%;
            margin: 0 5px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        
        .testimonial-dot.active {
            background-color: var(--primary);
        }
        
        /* CTA Section */
        .cta-section {
            padding: 80px 10%;
            background: linear-gradient(135deg, var(--primary), #1a3a7a);
            color: white;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 30px;
            line-height: 1.6;
        }
        
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .cta-button.secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
        }
        
        .cta-button.secondary:hover {
            background-color: white;
            color: var(--primary);
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
        }
        
        @media (max-width: 768px) {
            .hero {
                height: auto;
                padding: 100px 5%;
                text-align: center;
                align-items: center;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .cta-button {
                width: 100%;
                max-width: 300px;
                text-align: center;
            }
        }
        
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .features-grid,
            .products-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-section h2 {
                font-size: 2rem;
            }
        }