body {
            font-family: 'Helvetica', sans-serif;
            background: #f8f9fa;
            margin: 0;
            padding: 0;
        }

        /* ==== Gallery Grid ==== */
        .gallery-section {
            padding: 100px 40px 60px;
            background: #fff;

        }
        

        .gallery-title {
            text-align: center;
            font-size: 36px;
            font-weight: 600;
            margin-bottom: 40px;
            color: #001f4d;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .gallery-grid img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: 8px;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .gallery-grid img:hover {
            transform: scale(1.05);
        }

        /* Lightbox */
        .lightbox {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .lightbox.active {
            opacity: 1;
            pointer-events: auto;
        }

        .lightbox img {
            max-width: 90%;
            max-height: 80%;
            border-radius: 8px;
        }

        .lightbox .close-btn {
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 30px;
            color: #fff;
            cursor: pointer;
        }

        /* Navigation Arrows */
        .lightbox .prev,
        .lightbox .next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            font-size: 40px;
            color: #fff;
            cursor: pointer;
            user-select: none;
            padding: 10px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 50%;
            transition: background 0.3s;
        }

        .lightbox .prev:hover,
        .lightbox .next:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .lightbox .prev {
            left: 20px;
        }

        .lightbox .next {
            right: 20px;
        }