.portfolio-section{background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);padding:60px 0}.portfolio-filter{flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:50px;display:flex}.filter-btn{color:#1a202c;cursor:pointer;background:#fff;border:none;border-radius:50px;padding:12px 28px;font-size:.95rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px #00000014}.filter-btn:hover{color:#fff;background:#014bb5;transform:translateY(-3px);box-shadow:0 8px 25px #014bb54d}.filter-btn.active{color:#fff;background:#014bb5;box-shadow:0 8px 25px #014bb566}.portfolio-grid{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.portfolio-item{cursor:pointer;border-radius:16px;transition:all .4s cubic-bezier(.165,.84,.44,1);position:relative;overflow:hidden;box-shadow:0 10px 30px #00000014}.portfolio-item:hover{transform:translateY(-8px);box-shadow:0 20px 40px #014bb533}.portfolio-item__image{width:100%;height:250px;position:relative;overflow:hidden}.portfolio-item__image img{object-fit:cover;width:100%;height:100%;transition:transform .5s}.portfolio-item:hover .portfolio-item__image img{transform:scale(1.1)}.portfolio-item__overlay{opacity:0;background:linear-gradient(#014bb54d,#014bb5e6);flex-direction:column;justify-content:center;align-items:center;gap:10px;transition:opacity .4s;display:flex;position:absolute;inset:0}.portfolio-item:hover .portfolio-item__overlay{opacity:1}.portfolio-item__overlay i{color:#fff;font-size:2.5rem;transition:transform .3s;transform:scale(.8)}.portfolio-item:hover .portfolio-item__overlay i{transform:scale(1)}.portfolio-item__overlay span{color:#fff;text-align:center;padding:0 10px;font-size:1rem;font-weight:600}.lightbox{z-index:9999;cursor:pointer;background:#000000f2;justify-content:center;align-items:center;animation:.3s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.lightbox__content{max-width:90vw;max-height:90vh;position:relative}.lightbox__content img{border-radius:12px;max-width:100%;max-height:85vh;box-shadow:0 20px 60px #00000080}.lightbox__close{color:#fff;cursor:pointer;background:0 0;border:none;font-size:2.5rem;transition:transform .3s;position:absolute;top:-50px;right:0}.lightbox__close:hover{transform:rotate(90deg)}@media (max-width:992px){.portfolio-grid{grid-template-columns:repeat(3,1fr);gap:15px}.portfolio-item__image{height:200px}.filter-btn{padding:10px 20px;font-size:.85rem}}@media (max-width:768px){.portfolio-section{padding:40px 0}.portfolio-filter{gap:8px;margin-bottom:30px}.filter-btn{padding:8px 16px;font-size:.8rem}.portfolio-grid{grid-template-columns:repeat(2,1fr);gap:12px}.portfolio-item__image{height:160px}.portfolio-item__overlay i{font-size:1.8rem}.portfolio-item__overlay span{font-size:.85rem}}@media (max-width:480px){.portfolio-grid{grid-template-columns:1fr;gap:15px}.portfolio-item__image{height:220px}}