:root {
            --primary-color: #173457;
            --primary-light: #2a5a8a;
        }

        .course-content {
            padding: 40px 0;
            background-color: #ffffff;
        }

        .course-content .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .course-content .section-title {
            color: var(--primary-color);
            font-weight: 700;
            
            margin-bottom: 0.5rem;
        }

        .course-content .section-subtitle {
            color: #6c757d;
           
            max-width: 800px;
            margin: 0 auto;
        }

        .content-card {
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            border: 2px solid #e9ecef;
            border-radius: 15px;
            padding: 35px;
            height: 100%;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.06);
            transition: all 0.4s ease;
        }

        .content-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(23, 52, 87, 0.15);
            border-color: var(--primary-color);
        }

        .content-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .content-list li {
            padding: 15px 0 15px 45px;
            position: relative;
            color: #495057;
            line-height: 1.8;
           
            transition: all 0.3s ease;
            border-bottom: 1px solid #e9ecef;
        }

        .content-list li:last-child {
            border-bottom: none;
        }

        .content-list li:hover {
            color: var(--primary-color);
            padding-left: 50px;
            background: rgba(23, 52, 87, 0.03);
        }

        .content-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 10px rgba(23, 52, 87, 0.2);
        }

        .content-list li::after {
            content: '✓';
            position: absolute;
            left: 8px;
            top: 50%;
            transform: translateY(-50%);
            color: white;
            font-weight: 900;
            font-size: 1.1rem;
        }

        /* Equal height for desktop */
        @media (min-width: 992px) {
            .course-content .row.content-row {
                display: flex;
                flex-wrap: wrap;
            }
            
            .course-content .row.content-row > [class*='col-'] {
                display: flex;
                flex-direction: column;
            }
        }

        @media (max-width: 768px) {
            .course-content {
                padding: 50px 0;
            }

            .course-content .section-title {
                font-size: 2rem;
            }

            .content-card {
                padding: 25px;
                margin-bottom: 20px;
            }

            .content-list li {
                font-size: 0.95rem;
                padding: 12px 0 12px 40px;
            }

            .content-list li::before {
                width: 26px;
                height: 26px;
            }

            .content-list li::after {
                left: 7px;
                font-size: 1rem;
            }
        }

        /* Decorative elements */
        .content-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
            border-radius: 15px 15px 0 0;
        }

        .content-card {
            position: relative;
        }