/* Grid Layout */
        .grid-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-bottom: 40px;
        }

        .grid-item {
            background: #fff;
            border-radius: 8px;
            overflow: visible;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .grid-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }

        .grid-item a {
            display: block;
            flex-grow: 1;
            overflow: hidden;
            position: relative;
        }

        .grid-item img {
            width: 100%;
            height: auto;
            object-fit: contain;
            display: block;
            transition: all 0.3s;
            padding: 10px;
        }

        .grid-item:hover img {
            transform: scale(0.95);
        }

        .grid-item p {
            padding: 12px 15px;
            text-align: center;
            font-size: 0.9rem;
            color: #666;
            background-color: #f9f9f9;
            margin: 0;
            transition: all 0.3s;
        }

        /* Flying labels on hover */
        .grid-item::before {
            content: attr(data-title);
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%) translateY(-100%);
            background-color: #333;
            color: white;
            padding: 8px 15px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 10;
            box-shadow: 0 3px 10px rgba(0,0,0,0.2);
        }

        .grid-item::after {
            content: '';
            position: absolute;
            top: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 5px solid transparent;
            border-right: 5px solid transparent;
            border-top: 5px solid #333;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 10;
        }

        .grid-item:hover::before,
        .grid-item:hover::after {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
 .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
 /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: #333;
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            text-decoration: none;
            font-size: 24px;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s, background-color 0.3s;
            z-index: 999;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background-color: #555;
        }