.gallery-container {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        .gallery img {
            width: 100%;
            cursor: pointer;
            transition: filter 0.3s ease;
        }
       /* .gallery img:hover {
            filter: brightness(80%);
        }*/
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            justify-content: center;
            align-items: center;
        }
        .modal-content {
            position: relative;
            background: white;
            padding: 20px;
            border-radius: 10px;
            width: 80%;
            max-width: 800px;
            text-align: center;
        }
        .modal img {
            width: 100%;
            height: auto;
            max-height: 80vh;
        }
        .close-btn, .prev-btn, .next-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            padding: 10px;
            cursor: pointer;
        }
        .close-btn { top: 50px; right: 25px; }
        .prev-btn { left: 10px; }
        .next-btn { right: 10px; }