.art-gallery{column-count:3;column-gap:2rem;max-width:1200px;margin:2rem auto;background:var(--primary-bg)}@media (max-width:900px){.art-gallery{column-count:2}}@media (max-width:600px){.art-gallery{column-count:1}}.art-item{display:inline-block;width:100%;margin-bottom:2rem;background:var(--secondary-bg);border-radius:12px;box-shadow:0 2px 12px var(--card-shadow);border:1px solid var(--card-border);overflow:hidden;transition:box-shadow .2s}.art-item:hover{box-shadow:0 8px 24px var(--card-shadow)}.art-item img{width:100%;display:block;border-radius:12px 12px 0 0;object-fit:cover;transition:transform .3s cubic-bezier(.4,2,.6,1)}.art-item img:hover{transform:scale(1.05)}.caption{padding:1rem;font-size:1rem;color:var(--text-main);text-align:center}#lightbox{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--overlay-dark,rgba(0,0,0,.85));z-index:1000;display:none}#lightbox-img{transition:transform .3s cubic-bezier(.4,2,.6,1);cursor:pointer}