:root {
            --primary-text: #212529;
            --secondary-text: #6c757d;
            --card-bg: #ffffff;
            --border-color: #dee2e6;
            --accent-color: #ff4500; /* A vibrant orange for play button */
        }

        body {
         /*   font-family: 'Inter', sans-serif;
            background-color: #f8f9fa;
            margin: 0;
            padding: 20px;
            display: flex;
            justify-content: center;*/
        }

       /* .section-container {
            width: 100%;
            max-width: 1200px;
            padding: 40px 0;
        }*/

        /* --- Header Styling --- */
        .header-line {
          /*  height: 1px;
            background-color: var(--border-color);
            margin: 20px 0;*/
        }

        .header-title {
          /*  font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-text);
            margin: 0 0 30px 0;
            text-transform: uppercase;
            letter-spacing: -1px;*/
        }

        /* --- Slider Container (Main Layout) --- */
        .slider-wrapper-v {
            position: relative;
            /* Ensures only one card group is visible at a time */
            overflow: hidden; 
            padding: 0 10px; /* Space for slider shadow/margin */
        }

        /* --- Slider Track (The moving part) --- */
        .slider-track-v {
            display: flex;
            transition: transform 0.4s ease-in-out;
            padding-bottom: 20px;
        }

        /* --- Individual Card Styling --- */
        .course-card-v {
            /* Make sure cards don't shrink and occupy a calculated width */
            flex-shrink: 0; 
            width: 25%; /* Default: 4 cards per view */
            padding: 10px;
            box-sizing: border-box;
        }

        .card-content-v {
            background-color: var(--card-bg);
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: transform 0.2s;
        }

        .card-content-v:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
        }

        .card-image-wrapper-v {
            position: relative;
            padding-top: 56.25%; /* 16:9 Aspect Ratio */
            overflow: hidden;
        }

        .card-image-v {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 12px 12px 0 0;
        }

        .play-button-v {
            position: absolute;
            bottom: 10px;
            right: 10px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--accent-color);
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
            transition: background-color 0.1s;
        }

        .play-button-v:hover {
            background-color: #cc3700;
        }

        /* SVG triangle for play icon */
        .play-button-v svg {
            fill: white;
            width: 14px;
            height: 14px;
            transform: translateX(1px);
        }

        .card-body-v {
            padding: 15px;
            text-align: left;
        }

        .card-title-v {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-text);
            line-height: 1.4;
            margin: 0;
            /* Simple text truncation for clean look */
            white-space: nowrap; 
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* --- Navigation Button Styling --- */
        .slider-nav-button-v {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background: rgba(0, 0, 0, 0.6);
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            z-index: 10;
            font-size: 1.5rem;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s, opacity 0.3s;
        }
        
        /* Visually hide the button when disabled */
        .slider-nav-button-v:disabled {
            opacity: 0.3;
            cursor: not-allowed;
        }

        .slider-nav-button-v.prev-v {
            left: -5px;
        }

        .slider-nav-button-v.next-v {
            right: -5px;
        }

        /* --- Responsive Design (BREAKPOINTS) --- */

        /* Tablet (max 1024px) - 3 cards per view */
        @media (max-width: 1024px) {
            .course-card-v {
                width: 33.3333%; 
            }
            .header-title-v {
                font-size: 2rem;
            }
        }

        /* Small Tablet/Mobile Landscape (max 768px) - 2 cards per view */
        @media (max-width: 768px) {
            .course-card-v {
                width: 50%; 
            }
        }

        /* Mobile (max 480px) - 1 card per view */
        @media (max-width: 480px) {
            .course-card-v {
                width: 100%; 
            }
            .header-title-v {
                font-size: 1.5rem;
            }
            .slider-nav-button-v {
                width: 30px;
                height: 30px;
                font-size: 1.2rem;
            }
            .slider-nav-button-v.prev-v {
                left: 0;
            }
            .slider-nav-button-v.next-v {
                right: 0;
            }
        }