:root{
  --bg:#0f0f10;
  --panel:#18181a;
  --text:#f5f5f5;
  --muted:#a9a9ad;
  --gap:10px;
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.topbar{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(15,15,16,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand{
  max-width:1500px;
  margin:0 auto;
  padding:18px 18px 14px;
}
h1{
  margin:0;
  font-size:clamp(1.35rem,3vw,2rem);
  line-height:1.1;
}
.brand p{
  margin:6px 0 0;
  color:var(--muted);
  font-size:.95rem;
}
main{
  width:min(100%,1500px);
  margin:0 auto;
  padding:var(--gap);
}
.gallery{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
}
.card{
  position:relative;
  border:0;
  padding:0;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--panel);
  aspect-ratio:1/1;
  cursor:pointer;
}
.card img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .25s ease, opacity .25s ease;
}
.card:hover img{transform:scale(1.150)}
.card:focus-visible{outline:3px solid white;outline-offset:2px}
.empty-state{
  min-height:55vh;
  display:grid;
  place-content:center;
  text-align:center;
  padding:30px;
  color:var(--muted);
}
.empty-state h2{color:var(--text);margin-bottom:8px}

.lightbox{
  position:fixed;
  inset:0;
  z-index:100;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,.94);
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  touch-action:none;
}
.lightbox.open{display:flex}
.lightbox-content{
  margin:0;
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  padding:54px 56px 34px;
}
.lightbox-content img{
  max-width:100%;
  max-height:calc(100% - 42px);
  object-fit:contain;
  user-select:none;
  -webkit-user-drag:none;
}
.lightbox-content figcaption{
  min-height:30px;
  padding-top:10px;
  color:#d5d5d5;
  font-size:.92rem;
  text-align:center;
}
.lightbox-btn{
  position:absolute;
  z-index:2;
  border:0;
  color:white;
  background:rgba(35,35,35,.58);
  width:46px;
  height:46px;
  border-radius:50%;
  font-size:34px;
  line-height:1;
  cursor:pointer;
  display:grid;
  place-items:center;
}
.lightbox-btn:hover{background:rgba(75,75,75,.8)}
.close{right:16px;top:16px;font-size:30px}
.prev{left:14px;top:50%;transform:translateY(-50%)}
.next{right:14px;top:50%;transform:translateY(-50%)}

@media (min-width:600px){
  .gallery{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (min-width:900px){
  :root{--gap:14px}
  .gallery{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:1250px){
  .gallery{grid-template-columns:repeat(5,minmax(0,1fr))}
}
@media (max-width:599px){
  :root{--gap:6px;--radius:9px}
  .brand{padding:14px 10px 11px}
  main{padding:6px}
  .lightbox-content{padding:50px 8px 28px}
  .lightbox-btn{width:42px;height:42px;background:rgba(25,25,25,.72)}
  .prev{left:7px}
  .next{right:7px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .card img{transition:none}
}