/* Course cards */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            padding: 40px 20px;
            margin-top: 100px;
        }
        
        .class-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            transition: all 0.4s ease;
            text-align: center;
            padding: 20px;
            border: 1px solid rgba(0,0,0,0.05);
        }
        
        .class-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .class-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 15px;
            transition: all 0.5s ease;
        }
        
        .class-card:hover .class-image {
            transform: scale(1.05);
        }
        
        .class-title {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: #1e5799;
        }
        
        .class-description {
            color: #666;
            margin-bottom: 20px;
        }
        
        .view-subjects-btn {
            display: inline-block;
            padding: 10px 25px;
            background: linear-gradient(to right, #1e5799, #207cca);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            transition: all 0.3s ease;
            font-weight: 600;
        }
        
        .view-subjects-btn:hover {
            
            background: linear-gradient(to right, #207cca, #1e5799);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        a:hover {
            color: yellow;
        }