/* ZHONGLIAN BEOGRAD — catalog.css
   proizvodi.html only. Loads after base.css.
   Page head, sticky toolbar, product grid / list, comparison table, samples box. */

/* ---------------------------------------------------------------- PAGE HEAD
   46vh — a compact header, deliberately not a second hero. */
.phead{
  position:relative;
  min-height:46vh;
  display:flex;align-items:flex-end;
  padding-top:clamp(120px,15vh,168px);
  padding-bottom:clamp(34px,5vh,56px);
  overflow:hidden;isolation:isolate;
  border-bottom:1px solid var(--line);
}
.phead__media{position:absolute;inset:0;z-index:0;opacity:.22}
.phead__media img{display:block;width:100%;height:100%;object-fit:cover;object-position:60% 46%}
.phead__veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(100deg, rgba(10,10,6,.94) 0%, rgba(10,10,6,.82) 42%, rgba(10,10,6,.58) 100%),
    linear-gradient(180deg, rgba(10,10,6,.88) 0%, transparent 34%, rgba(10,10,6,.72) 100%);
}
.phead__in{position:relative;z-index:2}
.crumb{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.crumb a{color:var(--muted);transition:color 240ms var(--ease)}
.crumb a:hover{color:var(--gold-hi)}
.crumb span[aria-current]{color:var(--gold)}
.phead__h{
  font-size:clamp(38px,7vw,92px);letter-spacing:-.02em;line-height:1;
  margin:18px 0 16px;max-width:16ch;
}
.phead__t{color:var(--muted-photo);max-width:56ch;font-size:clamp(15.5px,1.4vw,18.5px)}

/* ---------------------------------------------------------------- TOOLBAR */
.toolbar{
  position:sticky;top:74px;z-index:60;
  background:rgba(10,10,6,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.toolbar__in{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-block:14px;flex-wrap:wrap;
}
.toolbar__chips{display:flex;flex-wrap:wrap;gap:8px}
.toolbar__chips .chip.is-on{
  background:var(--metal);color:var(--ink);border-color:transparent;font-weight:500;
}
.toolbar__right{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.toolbar__n{font-size:11px;letter-spacing:.14em;color:var(--dim);white-space:nowrap}

/* custom select — the browser default breaks the visual language */
.sortsel{position:relative;display:inline-flex;align-items:center}
.sortsel select{
  appearance:none;-webkit-appearance:none;
  background:transparent;border:1px solid var(--line);
  padding:9px 34px 9px 13px;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted);
  cursor:pointer;transition:border-color 260ms var(--ease), color 260ms var(--ease);
}
.sortsel select:hover{border-color:var(--gold-dark);color:var(--text)}
.sortsel select:focus-visible{outline:2px solid var(--gold-hi);outline-offset:2px}
.sortsel select option{background:var(--elev);color:var(--text)}
.sortsel__ar{
  position:absolute;right:12px;pointer-events:none;
  font-size:10px;color:var(--gold-deep);
}

.viewtog{display:inline-flex;border:1px solid var(--line)}
.viewtog__b{
  width:34px;height:34px;display:grid;place-items:center;
  background:none;border:0;cursor:pointer;color:var(--dim);
  transition:color 240ms var(--ease), background 240ms var(--ease);
}
.viewtog__b + .viewtog__b{border-left:1px solid var(--line)}
.viewtog__b:hover{color:var(--text)}
.viewtog__b.is-on{color:var(--gold-hi);background:rgba(217,183,92,.07)}

/* ---------------------------------------------------------------- GRID
   gap:1px over a --line background, so the gaps read as hairlines. */
.cards{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--line);border:1px solid var(--line);
  /* The grid is rendered from PRODUCTS after parse, so reserve roughly a viewport:
     without it the first paint shows the sections below, which are then pushed down.
     Every real grid is far taller than this, so the final layout is unaffected. */
  min-height:80vh;
}
.card{
  background:var(--ink);
  display:flex;flex-direction:column;
  min-width:0;
}
.card__vis{position:relative;aspect-ratio:4/3;overflow:hidden}
.card__tex{
  position:absolute;inset:0;display:block;
  transform-origin:center;transition:transform 900ms var(--ease);
}
.card:hover .card__tex,.card:focus-within .card__tex{transform:scale(1.05)}
.card__no{
  position:absolute;top:0;left:0;z-index:3;
  background:var(--elev);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:7px 11px;font-size:10.5px;letter-spacing:.14em;color:var(--gold);
}

.card__b{padding:22px 22px 24px;display:flex;flex-direction:column;gap:14px;flex:1}
.card__name{font-family:var(--sans);font-weight:400;font-size:20px;letter-spacing:0;line-height:1.25}
.card__name a{transition:color 240ms var(--ease)}
.card__name a:hover{color:var(--gold-hi)}

.card__spec{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.card__spec > div{
  display:flex;justify-content:space-between;gap:12px;
  padding:8px 0;font-size:10.5px;letter-spacing:.05em;
}
.card__spec > div + div{border-top:1px solid var(--line-soft)}
.card__spec dt{color:var(--dim)}
.card__spec dd{color:var(--muted)}

.card__price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.card__p{font-size:24px;color:var(--gold);letter-spacing:-.02em;line-height:1}
.card__pm{font-size:11px;color:var(--dim);letter-spacing:.06em}

.card__buy{display:flex;gap:10px;align-items:stretch;margin-top:auto;flex-wrap:wrap}
.card__buy .qty{margin-top:0}
/* Gold hairline rather than a filled gradient: nine filled buttons in one grid would
   put gold far past the 5%-of-viewport ceiling. Filled gold stays for one primary per screen. */
.card__add.btn--gold{
  flex:1;justify-content:center;padding:13px 16px;font-size:11px;white-space:nowrap;
  background:rgba(217,183,92,.08);
  border:1px solid var(--gold-deep);
  color:var(--gold-hi);
  transition:background 280ms var(--ease), border-color 280ms var(--ease);
}
.card__add.btn--gold:hover{background:rgba(217,183,92,.16);border-color:var(--gold);filter:none}
.card__add.btn--gold::after{display:none}
.card__more{
  font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);
  transition:color 240ms var(--ease);
}
.card__more:hover{color:var(--gold-hi)}

/* ---- list view: denser, for contractors comparing ---- */
.cards--list{grid-template-columns:1fr}
.cards--list .card{
  display:grid;
  grid-template-columns:120px minmax(0,1.4fr) minmax(0,1fr) auto;
  gap:20px;align-items:center;padding:16px 20px;
}
.cards--list .card__vis{aspect-ratio:auto;height:90px;width:120px}
.cards--list .card__no{display:none}
.cards--list .card__b{padding:0;display:contents}
.cards--list .card__name{font-size:17px}
.cards--list .card__spec{border:0;display:flex;gap:18px}
.cards--list .card__spec > div{display:block;padding:0;border:0}
.cards--list .card__spec > div + div{border:0}
.cards--list .card__price{flex-direction:column;gap:3px;align-items:flex-start}
.cards--list .card__p{font-size:19px}
.cards--list .card__buy{margin-top:0;flex-wrap:nowrap}
.cards--list .card__more{display:none}

.cempty{display:grid;justify-items:center;gap:16px;text-align:center;padding:80px 20px;border:1px solid var(--line)}
.cempty__t{color:var(--muted);font-size:16px}

/* ---------------------------------------------------------------- COMPARISON */
.cmp{border-top:1px solid var(--line)}
.cmp__sum{
  list-style:none;cursor:pointer;padding:20px 0;position:relative;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);
}
.cmp__sum::-webkit-details-marker{display:none}
.cmp__sum::after{content:'+';position:absolute;right:0;top:18px;font-size:17px;color:var(--gold)}
.cmp[open] .cmp__sum::after{content:'−'}
.cmp__wrap{overflow-x:auto}
.cmp__t{width:100%;border-collapse:collapse;min-width:640px}
.cmp__t th,.cmp__t td{text-align:left;padding:13px 14px 13px 0;border-bottom:1px solid var(--line)}
.cmp__t thead th{
  font-family:var(--mono);font-weight:400;font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--dim);border-bottom-color:var(--gold-dark);
}
.cmp__t tbody th{font-family:var(--sans);font-weight:400;font-size:15px;color:var(--text)}
.cmp__t tbody th .mono{color:var(--gold-deep);font-size:11px;margin-right:6px}
.cmp__t td{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.cmp__m2{color:var(--text) !important}
.cmp__t tr.is-mark td.cmp__m2{color:var(--gold) !important}
.cmp__tag{
  display:inline-block;margin-left:8px;padding:3px 7px;
  border:1px solid var(--gold-dark);
  font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);
}

/* ---------------------------------------------------------------- SAMPLES */
.samples{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:1px;background:var(--line);border:1px solid var(--line);
}
.samples__b{background:var(--ink);padding:clamp(26px,4vw,52px)}
.samples__l{margin:24px 0 26px;border-top:1px solid var(--line)}
.samples__l li{
  display:flex;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px solid var(--line-soft);
  font-size:11.5px;letter-spacing:.05em;
}
.samples__l li span:first-child{color:var(--dim)}
.samples__l li span:last-child{color:var(--text)}
.samples__act{display:flex;flex-wrap:wrap;gap:12px}
.samples__grid{
  background:var(--line);
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:1px;
  min-height:280px;
}
.samples__grid span{display:block}

/* ---------------------------------------------------------------- RESPONSIVE */
@media (max-width:1100px){
  .cards--list .card{grid-template-columns:100px minmax(0,1.3fr) minmax(0,1fr) auto;gap:16px}
  .cards--list .card__vis{width:100px;height:78px}
}

@media (max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .samples{grid-template-columns:1fr}
  .samples__grid{min-height:200px}
}

@media (max-width:768px){
  .toolbar{top:64px}
  .toolbar__in{gap:14px}
  .toolbar__right{width:100%;justify-content:space-between}
  .cards--list .card{grid-template-columns:84px minmax(0,1fr);gap:14px;row-gap:10px}
  .cards--list .card__vis{width:84px;height:66px}
  .cards--list .card__b{display:contents}
  .cards--list .card__name,.cards--list .card__spec,
  .cards--list .card__price,.cards--list .card__buy{grid-column:2}
}

@media (max-width:620px){
  .cards{grid-template-columns:1fr}
  .card__buy{flex-direction:column}
  .card__add{width:100%}
  .card__buy .qty{align-self:flex-start}
}