.gallery-section{text-align:center;padding:40px 20px}.gallery-title{font-size:2.5rem;margin-bottom:20px}.filter-buttons{margin-bottom:20px}.filter-btn{background:#333;color:#fff;border:none;padding:10px 18px;margin:5px;cursor:pointer;border-radius:6px;transition:.3s}.filter-btn.active,.filter-btn:hover{background:#f60}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:15px}.gallery-item{overflow:hidden;border-radius:10px}.gallery-item img{width:100%;height:200px;cursor:pointer;transition:transform .3s ease}.gallery-item img:hover{transform:scale(1.05)}#lightbox{display:none;position:fixed;z-index:1000;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.9);justify-content:center;align-items:center}#lightbox img{max-width:90%;max-height:80%;border-radius:10px}#lightbox .close{position:absolute;top:20px;right:40px;font-size:40px;color:#fff;cursor:pointer}