.header {
            background: #edf2f4;
            color: #0d1b2a;
            text-align: center;
            padding: 3rem 1rem;
            margin-bottom: 2rem;
            margin-top: 2rem;
        }
        
        h1 {
            font-size: 2.8rem;
            margin-bottom: 0.5rem;
            font-weight: 800;
            letter-spacing: 1px;
        }
        
        .tagline {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        
        .gallery-item {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 250px;
            cursor: pointer;
        }
        
        .gallery-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
        }
        
        .gallery-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .gallery-item:hover .gallery-img {
            transform: scale(1.1);
        }
        
        .overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 60%);
            opacity: 0;
            transition: opacity 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
            color: white;
        }
        
        .gallery-item:hover .overlay {
            opacity: 1;
        }
        
        .img-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .img-category {
            font-size: 0.9rem;
            opacity: 0.8;
            display: inline-block;
            background: rgba(106, 17, 203, 0.8);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
        }
        
        /* Lightbox Styles */
        .lightbox {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .lightbox.active {
            display: flex;
            opacity: 1;
        }
        
        .lightbox-content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .lightbox-img {
            max-width: 100%;
            max-height: 80vh;
            object-fit: contain;
            border-radius: 8px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.4);
        }
        
        .lightbox-close {
            position: absolute;
            top: 70px;
            right: 50px;
            color: white;
            background: none;
            border: none;
            font-size: 2rem;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        
        .lightbox-close:hover {
            color: #6a11cb;
        }
        
        .lightbox-control {
            position: absolute;
            top: 50%;
            color: white;
            background: rgba(0, 0, 0, 0.5);
            border: none;
            font-size: 2rem;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        
        .lightbox-control:hover {
            background: rgba(106, 17, 203, 0.8);
        }
        
        .lightbox-prev {
            left: 20px;
        }
        
        .lightbox-next {
            right: 20px;
        }
        
        .lightbox-caption {
            position: absolute;
            bottom: -40px;
            left: 0;
            width: 100%;
            text-align: center;
            color: white;
            font-size: 1.2rem;
        }
        
        footer {
            text-align: center;
            padding: 2rem;
            background: #2c3e50;
            color: #ecf0f1;
            margin-top: 2rem;
        }
        
        .social-links {
            margin-bottom: 1rem;
        }
        
        .social-links a {
            color: white;
            font-size: 1.5rem;
            margin: 0 0.5rem;
            transition: color 0.3s ease;
        }
        
        .social-links a:hover {
            color: #6a11cb;
        }
        
        @media (max-width: 768px) {
            .gallery {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            .lightbox-control {
                font-size: 1.5rem;
                width: 50px;
                height: 50px;
            }
        }
        
        @media (max-width: 480px) {
            .gallery {
                grid-template-columns: 1fr;
            }
            
            .lightbox-control {
                font-size: 1.2rem;
                width: 40px;
                height: 40px;
            }
            
            .lightbox-prev {
                left: 10px;
                z-index: 99;
            }
            
            .lightbox-next {
                right: 10px;
                z-index: 99;
            }
        }