:root {
            --primary: #2c5aa0;
            --accent: #ff9800;
            --light: #f5f7fa;
            --dark: #333;
            --text: #444;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            color: var(--text);
            line-height: 1.6;
            background-color: #f9f9f9;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Hero Section */
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1503454537195-1dcabb73ffb9?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            text-align: center;
            color: white;
            margin-bottom: 60px;
        }
        
        .hero-section h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        
        .hero-tagline {
            font-size: 1.4rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.95;
        }
        
        /* Introduction Section */
        .intro-section {
            background-color: white;
            padding: 60px 0;
            margin-bottom: 60px;
        }
        
        .intro-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .section-title {
            color: var(--primary);
            margin-bottom: 30px;
            font-size: 2.2rem;
            text-align: center;
        }
        
        .intro-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.7;
        }
        
        /* Category Cards */
        .category-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 70px;
        }
        
        .category-card {
            background: white;
            border-radius: 10px;
            padding: 35px 25px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        
        .category-icon {
            font-size: 3rem;
            margin-bottom: 20px;
        }
        
        .category-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        .category-card p {
            font-size: 1rem;
            line-height: 1.6;
        }
        
        /* Why Choose Section */
        .why-choose-section {
            background-color: white;
            padding: 70px 0;
        }
        
        .why-choose-section h2 {
            text-align: center;
            color: var(--primary);
            margin-bottom: 50px;
            font-size: 2.2rem;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        .feature-item {
            text-align: center;
            padding: 25px;
        }
        
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .feature-item h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .category-cards, .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.4rem;
            }
            
            .hero-tagline {
                font-size: 1.1rem;
            }
            
            .category-cards, .features-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
        }