/* =========================================================================
   MS Interior — Design Catalogue
   ========================================================================= */

.cathead{
  padding:calc(var(--sec) * .62) 0 clamp(2rem,4vw,3rem);
  background:var(--paper);
  border-bottom:1px solid var(--line-soft);
  margin-top:72px;
}
.cathead h1{max-width:20ch}

/* ---------- filter bar ---------- */
.catbar{
  position:sticky;top:72px;z-index:40;
  background:rgba(247,246,243,.92);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
          backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
}
.chips{
  display:flex;gap:.5rem;flex-wrap:wrap;
  padding:.95rem 0;
}
.chip{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.55rem 1rem;border-radius:999px;
  border:1px solid var(--line);
  background:transparent;color:var(--ink-80);
  font:inherit;font-size:.8125rem;font-weight:500;letter-spacing:-.005em;
  white-space:nowrap;cursor:pointer;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.chip span{
  font-size:.6875rem;font-variant-numeric:tabular-nums;
  color:var(--ink-55);transition:color .3s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.chip.is-on span{color:rgba(247,246,243,.6)}
.chip:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* ---------- grid ---------- */
.catgrid{padding:clamp(2rem,4vw,3.25rem) 0 var(--sec);background:var(--paper)}
.catcount{
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-55);margin-bottom:1.75rem;
}
.dgrid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(1rem,1.8vw,1.75rem) clamp(.9rem,1.4vw,1.4rem);
}
.dcard{margin:0;display:flex;flex-direction:column}
.dcard[hidden]{display:none}
.dcard__btn{
  display:block;width:100%;padding:0;border:0;background:var(--paper-2);
  cursor:zoom-in;overflow:hidden;line-height:0;
}
.dcard__btn img{
  width:100%;aspect-ratio:4/3;object-fit:cover;display:block;
  transition:transform 1.1s var(--ease),opacity .4s var(--ease);
}
.dcard__btn:hover img{transform:scale(1.045)}
.dcard__btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.dcard figcaption{padding-top:.7rem;display:flex;flex-direction:column;gap:.15rem}
.dcard__n{font-size:.875rem;font-weight:500;letter-spacing:-.01em;color:var(--ink)}
.dcard__c{font-size:.6875rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-55)}

/* ---------- lightbox ---------- */
.lbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(14,14,15,.94);
  display:grid;place-items:center;
  padding:clamp(1rem,4vw,3rem);
}
.lbox[hidden]{display:none}
.lbox__f{margin:0;max-width:min(1400px,94vw);text-align:center}
.lbox__f img{
  max-width:100%;max-height:78vh;display:block;margin-inline:auto;
  object-fit:contain;background:#1a1a1c;
}
.lbox__f figcaption{
  margin-top:1rem;display:flex;flex-direction:column;gap:.3rem;color:#fff;
}
#lboxName{font-size:1rem;font-weight:500}
#lboxCat{font-size:.6875rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.lbox__x,.lbox__nav{
  position:absolute;border:0;background:rgba(255,255,255,.1);color:#fff;
  cursor:pointer;display:grid;place-items:center;
  transition:background .3s var(--ease);
}
.lbox__x:hover,.lbox__nav:hover{background:rgba(255,255,255,.22)}
.lbox__x{top:clamp(.75rem,2vw,1.5rem);right:clamp(.75rem,2vw,1.5rem);width:2.75rem;height:2.75rem;border-radius:50%;font-size:1.6rem;line-height:1}
.lbox__nav{top:50%;transform:translateY(-50%);width:3rem;height:3.5rem;font-size:2rem;line-height:1}
.lbox__prev{left:clamp(.4rem,1.5vw,1.5rem)}
.lbox__next{right:clamp(.4rem,1.5vw,1.5rem)}
.lbox__x:focus-visible,.lbox__nav:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .dgrid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:860px){
  .cathead{margin-top:64px}
  .catbar{top:64px}
  .chips{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .dgrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .dgrid{grid-template-columns:repeat(2,1fr);gap:1rem .75rem}
  .dcard__n{font-size:.8125rem}
  .lbox__nav{width:2.5rem;height:3rem;font-size:1.6rem}
}
@media (prefers-reduced-motion:reduce){
  .dcard__btn img,.chip{transition:none}
  .dcard__btn:hover img{transform:none}
}

/* =========================================================================
   PROJECT GALLERY
   ========================================================================= */
.pfacts{
  margin-top:clamp(2.25rem,4vw,3rem);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1.25rem 2rem;max-width:900px;
}
.pfacts div{display:flex;flex-direction:column;gap:.35rem;border-top:1px solid var(--line);padding-top:.85rem}
.pfacts span{font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-55)}
.pfacts strong{font-size:.9375rem;font-weight:500;letter-spacing:-.01em}

.pstage{padding:clamp(3rem,6vw,5rem) 0;background:var(--paper)}
.pstage:nth-of-type(even){background:var(--paper-2)}
.pstage__head{
  display:grid;grid-template-columns:auto 1fr;gap:1.5rem;
  align-items:start;margin-bottom:clamp(2rem,3.5vw,3rem);
}
.pstage__num{
  font-size:.8125rem;font-weight:500;letter-spacing:.1em;
  color:var(--ink-55);padding-top:.55rem;font-variant-numeric:tabular-nums;
}
.pshots{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(1rem,1.8vw,1.6rem) clamp(.9rem,1.4vw,1.3rem);
}
.pshot{margin:0;display:flex;flex-direction:column}
.pshot__btn{
  display:block;width:100%;padding:0;border:0;background:var(--paper-2);
  cursor:zoom-in;overflow:hidden;line-height:0;
}
.pshot__btn img{
  width:100%;aspect-ratio:4/3;object-fit:cover;display:block;
  transition:transform 1.1s var(--ease);
}
.pshot__btn:hover img{transform:scale(1.04)}
.pshot__btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.pshot figcaption{
  padding-top:.7rem;font-size:.875rem;font-weight:500;
  letter-spacing:-.01em;color:var(--ink);
}

@media (max-width:1080px){
  .pshots{grid-template-columns:repeat(2,1fr)}
  .pfacts{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:620px){
  .pshots{grid-template-columns:1fr}
  .pstage__head{grid-template-columns:1fr;gap:.5rem}
  .pstage__num{padding-top:0}
}
@media (prefers-reduced-motion:reduce){
  .pshot__btn img{transition:none}
  .pshot__btn:hover img{transform:none}
}

/* =========================================================================
   COMPANY PROFILE
   ========================================================================= */
.pdfbar{
  margin-top:clamp(2rem,4vw,2.75rem);
  display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;
}
.small-note{font-size:.8125rem;color:var(--ink-55);max-width:34ch;line-height:1.5}

.prows{margin-top:.5rem}
.prow{
  display:grid;grid-template-columns:3.5rem 1fr;gap:1.5rem;
  padding:1.6rem 0;border-top:1px solid var(--line-soft);
}
.prow:last-child{border-bottom:1px solid var(--line-soft)}
.prow__n{font-size:.75rem;color:var(--ink-55);padding-top:.35rem;font-variant-numeric:tabular-nums}
.prow__t{font-size:1.0625rem;font-weight:500;letter-spacing:-.018em}
.prow__d{font-size:.9375rem;line-height:1.6;color:var(--ink-70);margin-top:.5rem;max-width:70ch}

.clist{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(1.5rem,4vw,4rem);
}
.clist li{
  padding:1.1rem 0;border-top:1px solid var(--line-soft);
  font-size:1.0625rem;font-weight:500;letter-spacing:-.015em;
}

.pdetails{margin:0}
.pdetails div{
  display:grid;grid-template-columns:minmax(0,15rem) 1fr;gap:1.5rem;
  padding:1.1rem 0;border-top:1px solid var(--line-soft);
}
.pdetails div:last-child{border-bottom:1px solid var(--line-soft)}
.pdetails dt{
  font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-55);font-weight:500;padding-top:.25rem;
}
.pdetails dd{margin:0;font-size:.9375rem;font-weight:500;letter-spacing:-.01em;line-height:1.6}
.pdetails dd a{border-bottom:1px solid var(--line)}
.pdetails dd a:hover{border-bottom-color:var(--ink)}

@media (max-width:860px){
  .clist{grid-template-columns:1fr}
  .pdetails div{grid-template-columns:1fr;gap:.35rem}
  .pdetails dt{padding-top:0}
  .prow{grid-template-columns:2.5rem 1fr;gap:1rem}
}