body {
            font-family: "Poppins", sans-serif
        }
        
        /* --- TIMELINE CUSTOM STYLES --- */

        /* === MOBILE (Vertical) START: Keep existing logic for left-aligned vertical line === */

        .timeline-container {
            position: relative;
            padding-top: 0;
            padding-bottom: 0;
            display: block; 
        }

        /* Vertical line on the left for mobile */
        .timeline-container:before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 1rem; 
            width: 3px;
            background-color: #3b82f6; 
            height: 100%;
            transform: none;
            display:none
        }

        .timeline-item {
            /* margin-left: 2rem; Push content away from line */
            /* width: calc(100% - 2rem); */
            margin-bottom: 2rem;
            position: relative;

            text-align: left;
            flex: none;
            padding-top: 0;
            padding-bottom: 0;
        }

        /* Dot positioned near the top of the card for mobile */
        .timeline-item .timeline-dot {
            left: 0.8rem;
            right: auto;
            top: 1.5rem; 
            transform: none;
            position: absolute;
            z-index: 10;
        }

        /* Mobile Card Content Flow and style */
        .timeline-item .timeline-content {
            border-left: 4px solid #3b82f6; 
            border-right: none;
            position: relative; 
            width: 100%;
            padding: 1rem;
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
        }
        .timeline-item .timeline-content h4 {
            position: relative; 
            transform: none;
            font-size: 1.25rem; 
            text-align: left;
            margin-bottom: 0.5rem;
            display: block;
        }

        .timeline-item .timeline-content .item-description {
            text-align: left;
            padding-left: 0;
            margin-top: 0.5rem;
            font-size: 0.875rem; 
        }

        .timeline-item .timeline-content .book-container {
            display: flex;
            align-items: center;
        }
        .timeline-item .timeline-content .product-title {
            font-size: 1rem;
        }

        /* Hide desktop arrows on mobile */
        .timeline-item .timeline-content:after {
            content: none !important;
        }

        /* === MOBILE (Vertical) END === */


        /* === DESKTOP/TABLET (Staggered/Alternating) START === */
        @media (min-width: 768px) {
            
            .timeline-container {
                display: block; 
                padding-top: 2rem;
                padding-bottom: 2rem;
                
                max-width: 90%; /* Center the timeline */
            }

            /* Central Vertical Line (Bolder and less distracting) */
            .timeline-container:before {
                left: 50%;
                width: 6px; 
                display:block;
                background-color: #d1d5db; /* Light gray line */
                transform: translateX(-50%);
            }
            
            .timeline-item {
                margin: 0;
                width: 100%;
                position: relative;
                margin-bottom: 4rem; 
            }

            .timeline-item:after {
                content: '';
                display: table;
                clear: both;
            }
            
            /* Large Date Dot centered on the line */
            .timeline-item .timeline-dot {
                position: absolute;
                left: 50%;
                top: 0.5rem;
                transform: translateX(-50%);
                z-index: 20;
                width: 30px; 
                height: 30px;
                
            }

            /* Content Cards */
            .timeline-item .timeline-content {
                width: 45%; 
                padding: 1.5rem;
                border-radius: 0.75rem;
                box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* Stronger shadow */
                background-color: #ffffffff; /* Soft gray card background */
                border: none;
                position: relative;
                min-height: 120px;
                border : 1px solid #0000
            }
            
            /* Year positioned as a large label centered on the dot */
            .timeline-item .timeline-content h4 {
                position: absolute; 
                top: 0px; 
                left: 50%;
                transform: translateX(-50%) translateY(-100%) translateY(-0.5rem);
                color: #1e3a8a; 
                font-weight: 800;
                font-size: 2rem;
                background-color: #ffffff; /* Background to lift the date */
                padding: 0 0.5rem;
                border-radius: 0.25rem;
            }

            /* Odd Items (Left Side) */
            .timeline-item:nth-child(odd) .timeline-content {
                float: left;
                margin-right: 5%; 
                text-align: right;
            }
            .timeline-item:nth-child(odd) .timeline-content .book-container {
                justify-content: flex-end; 
                display: flex;
                flex-direction: row-reverse; /* Put image on the right for right-aligned text */
                align-items: center;
                gap: 0.75rem;
            }
            .timeline-item:nth-child(odd) .timeline-content .book-container > div {
                text-align: right;
            }

            /* Even Items (Right Side) */
            .timeline-item:nth-child(even) .timeline-content {
                float: right;
                margin-left: 5%; 
                text-align: left;
            }
             .timeline-item:nth-child(even) .timeline-content .book-container {
                justify-content: flex-start; 
                display: flex;
                align-items: center;
                gap: 0.75rem;
            }
            .timeline-item:nth-child(even) .timeline-content .book-container > div {
                text-align: left;
            }
            
            /* Arrow Pointers pointing to the center line */
            /* Odd/Left Arrow (Right-pointing triangle) */
            .timeline-item:nth-child(odd) .timeline-content:after {
                content: '';
                position: absolute;
                top: 25px;
                right: -15px; 
                width: 0;
                height: 0;
                border-top: 15px solid transparent;
                border-bottom: 15px solid transparent;
                border-left: 15px solid #f3f4f6; 
                z-index: 10;
            }
            /* Even/Right Arrow (Left-pointing triangle) */
            .timeline-item:nth-child(even) .timeline-content:after {
                content: '';
                position: absolute;
                top: 25px;
                left: -15px; 
                width: 0;
                height: 0;
                border-top: 15px solid transparent;
                border-bottom: 15px solid transparent;
                border-right: 15px solid #f3f4f6; 
                z-index: 10;
            }

        }
        /* === DESKTOP/TABLET (Staggered/Alternating) END === */