/* ==========================================================================
   TECHCOMIN PREMIUM CATEGORY UI V2.2 — ONE category design system
   Container 1320px (1280–1360 desktop) · rhythm 64–88 / 48–64 / 32–48
   Responsive is done with container / grid / flex / breakpoints only.
   No zoom and no scaling trick is used to fake a layout.
   ========================================================================== */
:root{
  --cat-container:1320px;
  --cat-gap:clamp(16px,1.8vw,26px);
  --cat-radius:16px;
  --cat-hero-min:300px;
  --cat-hero-max:420px;
}
body.ui2{--ui-sec:clamp(48px,5vw,88px)}
@media (max-width:1023px){body.ui2{--ui-sec:clamp(40px,5.6vw,64px)}}
@media (max-width:640px){body.ui2{--ui-sec:clamp(32px,7vw,48px)}}

body.ui2 main.wrap,body.ui2 #main{max-width:var(--cat-container);margin-inline:auto;
  padding-inline:clamp(16px,2.6vw,34px)}
body.ui2 .ui2-head-in,body.ui2 .ui2-foot-in,body.ui2 .ui2-foot-end{max-width:var(--cat-container)}
body.ui2 main.wrap > section,body.ui2 #main > section{margin-block:var(--ui-sec)}
body.ui2 main > section:first-child,body.ui2 #main > .cat-hero:first-child{margin-top:clamp(10px,1.4vw,20px)}
body.ui2 h1,body.ui2 h2,body.ui2 .page-h1,body.ui2 h3{overflow-wrap:break-word}
body.ui2 .page-h1{margin:.1em 0 .5em}

/* ---------------------------------------------------------- compact category hero */
.cat-hero{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  align-items:stretch;background:var(--ui-surface);border:1px solid var(--ui-border);
  border-radius:calc(var(--cat-radius) + 4px);overflow:hidden;
  min-height:var(--cat-hero-min);max-height:var(--cat-hero-max);
  margin:clamp(8px,1.2vw,16px) 0 var(--ui-sec)}
.cat-hero-copy{padding:clamp(20px,2.6vw,44px);display:flex;flex-direction:column;
  justify-content:center;gap:9px;min-width:0}
.cat-hero .cat-eyebrow{font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ui-gold);margin:0}
.cat-hero h1{font-size:clamp(1.55rem,1.02rem + 1.5vw,2.25rem);line-height:1.14;margin:0;
  letter-spacing:-.015em}
.cat-hero p.cat-desc{margin:0;color:var(--ui-text);font-size:.98rem;max-width:56ch}
.cat-hero .cat-hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.cat-hero-media{position:relative;background:var(--ui-warm);min-height:220px}
.cat-hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cat-hero-media .cat-hero-cap{position:absolute;left:0;right:0;bottom:0;padding:10px 14px;
  font-size:.76rem;color:#fff;background:linear-gradient(to top,rgba(23,37,34,.72),transparent)}
.cat-crumbs{margin:0 0 4px}
@media (max-width:900px){
  .cat-hero{grid-template-columns:1fr;max-height:none}
  .cat-hero-media{order:-1;min-height:0;aspect-ratio:21/9;max-height:250px}
  .cat-hero-copy{padding:20px 18px 24px}
  .cat-hero h1{font-size:clamp(1.5rem,1.15rem + 1.7vw,1.95rem)}
}

/* ---------------------------------------------------------- filter system */
.cat-filter{background:#fff;border:1px solid var(--ui-border);border-radius:14px;
  padding:12px 14px;margin-bottom:var(--cat-gap)}
.cat-filter-head{display:none;align-items:center;justify-content:space-between;gap:10px}
.cat-filter-toggle{display:none;align-items:center;gap:8px;height:42px;padding:0 16px;
  border:1px solid var(--ui-border);border-radius:999px;background:#fff;font:inherit;
  font-size:.86rem;font-weight:600;cursor:pointer}
.cat-search{flex:1 1 240px;display:flex;align-items:center;gap:8px;border:1px solid var(--ui-border);
  border-radius:999px;padding:0 8px 0 14px;height:42px;background:#fff;min-width:190px}
.cat-search input{border:0;outline:0;background:transparent;font:inherit;width:100%;font-size:.9rem}
.cat-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.cat-chips{display:flex;flex-wrap:wrap;gap:8px}
.cat-chip{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 15px;
  border:1px solid var(--ui-border);border-radius:999px;background:#fff;color:var(--ui-heading);
  font:inherit;font-size:.84rem;font-weight:600;cursor:pointer;white-space:nowrap}
.cat-chip:hover{border-color:var(--ui-gold)}
.cat-chip[aria-pressed="true"]{background:var(--ui-primary);border-color:var(--ui-primary);color:#fff}
.cat-chip.is-info{cursor:default;background:var(--ui-warm);color:var(--ui-muted);font-weight:500}
.cat-chip.is-info:hover{border-color:var(--ui-border)}
.cat-select{height:42px;border:1px solid var(--ui-border);border-radius:10px;background:#fff;
  font:inherit;font-size:.86rem;padding:0 12px;color:var(--ui-heading)}
.cat-filter-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  margin-top:10px;font-size:.82rem;color:var(--ui-muted)}
.cat-filter-foot b{color:var(--ui-primary-deep)}
.cat-hubnav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 var(--cat-gap);padding:0;list-style:none}
.cat-hubnav a{display:inline-flex;align-items:center;height:34px;padding:0 13px;border-radius:999px;
  background:var(--ui-warm);color:var(--ui-primary-deep);font-size:.82rem;font-weight:600}
.cat-hubnav a:hover{background:var(--ui-primary-soft)}
@media (max-width:860px){
  .cat-filter-head{display:flex}
  .cat-filter-toggle{display:inline-flex}
  .cat-filter-body{display:none}
  .cat-filter.open .cat-filter-body{display:block}
  .cat-filter-body{padding-top:12px}
  .cat-search{flex:1 1 100%}
}

/* ---------------------------------------------------------- layout: sidebar + main */
.cat-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:clamp(18px,2.4vw,32px);
  align-items:start}
@media (max-width:1100px){.cat-layout{grid-template-columns:1fr}}
.cat-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:14px;min-width:0}
@media (max-width:1100px){.cat-side{position:static}}
.cat-main{min-width:0;display:flex;flex-direction:column;gap:var(--cat-gap)}
.cat-panel{margin:0}
.cat-panel[hidden]{display:none}

/* ---------------------------------------------------------- card system (one language) */
.product-card,.project-card,.article-card,.document-card,.info-card,.stack-card{
  background:#fff;border:1px solid var(--ui-border);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;height:100%;min-width:0;
  transition:transform .2s ease,box-shadow .2s ease}
.product-card:hover,.project-card:hover,.article-card:hover,.document-card:hover{
  transform:translateY(-3px);box-shadow:0 14px 30px rgba(23,37,34,.09)}
.pc-thumb{display:block;background:var(--ui-warm);overflow:hidden;position:relative}
.pc-thumb img{width:100%;display:block;object-fit:cover}
.product-card .pc-thumb img{aspect-ratio:4/5}
.project-card .pc-thumb img,.article-card .pc-thumb img{aspect-ratio:16/10}
.article-card.featured .pc-thumb img{aspect-ratio:16/10}
.pc-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:5px;flex:1;min-width:0}
.pc-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:700;
  letter-spacing:.02em;color:var(--ui-primary-deep);font-size:.95rem;margin:0}
.pc-name{font-family:var(--ui-serif);font-size:1.04rem;line-height:1.32;color:var(--ui-heading);
  margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-meta{margin:0;font-size:.83rem;color:var(--ui-muted)}
.pc-price{margin:0;font-weight:600;color:var(--ui-heading);font-size:.94rem}
.pc-price small{font-weight:400;color:var(--ui-muted);font-size:.79rem}
.pc-acts{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;padding-top:10px}
.pc-acts .ui2-btn{flex:1 1 auto;justify-content:center}
.pc-badge{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.94);
  border:1px solid var(--ui-border);border-radius:999px;padding:4px 11px;font-size:.72rem;
  font-weight:600;color:var(--ui-primary-deep)}
.pc-badge.warn{background:rgba(245,242,236,.96);color:#6E543D;border-color:var(--ui-gold-soft)}
.cat-grid{display:grid;gap:var(--cat-gap)}
.cat-grid.products,.cat-grid.projects,.cat-grid.articles{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1180px){.cat-grid.products{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:1023px){
  .cat-grid.projects,.cat-grid.articles{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){
  .cat-grid.products,.cat-grid.projects,.cat-grid.articles{grid-template-columns:1fr}}
@media (min-width:561px) and (max-width:700px){
  .cat-grid.products{grid-template-columns:repeat(2,minmax(0,1fr))}}
.cat-grid.docs{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.cat-grid.contact{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}

/* ---------------------------------------------------------- table + mobile stacked cards */
.cat-table-wrap{overflow-x:auto;border:1px solid var(--ui-border);border-radius:14px;background:#fff}
.cat-table{width:100%;border-collapse:collapse;font-size:.9rem}
.cat-table th,.cat-table td{border-bottom:1px solid var(--ui-border);padding:9px 12px;
  text-align:left;vertical-align:middle}
.cat-table thead th{background:var(--ui-warm);font-size:.73rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ui-muted);white-space:nowrap}
.cat-table tbody tr:last-child td{border-bottom:0}
.cat-table tbody tr:hover{background:#fbfcfa}
.cat-table td.c- img,.cat-table td .cat-thumb{width:62px;height:62px;object-fit:cover;
  border-radius:8px;display:block}
.cat-table td.c-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-weight:700;color:var(--ui-primary-deep)}
.cat-stack{display:none;grid-template-columns:1fr;gap:12px}
@media (max-width:820px){
  .cat-table-wrap{display:none}
  .cat-stack{display:grid}
}
.stack-card{flex-direction:row;align-items:stretch}
.stack-card .sc-thumb{flex:0 0 96px;background:var(--ui-warm);overflow:hidden}
.stack-card .sc-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.stack-card .sc-thumb .sc-ph{height:100%;display:flex;align-items:center;justify-content:center;
  font-size:.68rem;color:var(--ui-muted);text-align:center;padding:6px}
.stack-card .sc-body{padding:10px 12px;display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}
.stack-card .sc-body b{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color:var(--ui-primary-deep)}

/* ---------------------------------------------------------- notes / misc */
.cat-note{background:var(--ui-warm);border:1px solid var(--ui-border);border-radius:14px;
  padding:14px 16px;font-size:.88rem;color:var(--ui-text)}
.cat-note strong{color:var(--ui-heading)}
.cat-src{font-size:.82rem;color:var(--ui-muted);margin:8px 0 0}
.cat-empty{display:none;border:1px dashed var(--ui-border);border-radius:14px;padding:22px;
  text-align:center;color:var(--ui-muted);background:#fff}
.cat-empty.show{display:block}
.cat-sec-head{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;
  margin-bottom:clamp(12px,1.6vw,22px)}
.cat-sec-head h2{margin:0}
.cat-sec-head p{margin:4px 0 0;color:var(--ui-muted);max-width:70ch}
.cat-cta-band{background:var(--ui-primary-deep);color:#fff;border-radius:calc(var(--cat-radius) + 4px);
  padding:clamp(24px,3.4vw,54px);text-align:center}
.cat-cta-band h2{color:#fff;margin:0 0 8px}
.cat-cta-band p{color:rgba(255,255,255,.84);margin:0 auto 18px;max-width:64ch}
.cat-cta-band .cat-row{justify-content:center}
.cat-cta-band .ui2-btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.cat-doc-icon{width:46px;height:46px;border-radius:12px;background:var(--ui-primary-soft);
  color:var(--ui-primary-deep);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.78rem;letter-spacing:.02em}
.cat-list{margin:0;padding-left:1.15rem;display:grid;gap:6px}
.cat-kv{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.cat-kv li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem}
.cat-kv b{flex:0 0 118px;color:var(--ui-muted);font-weight:600}
.cat-form{display:grid;gap:12px}
.cat-form label{display:grid;gap:5px;font-size:.85rem;font-weight:600;color:var(--ui-heading)}
.cat-form input,.cat-form select,.cat-form textarea{height:44px;border:1px solid var(--ui-border);
  border-radius:10px;padding:0 12px;font:inherit;font-size:.9rem;background:#fff;width:100%}
.cat-form textarea{height:auto;padding:10px 12px;resize:vertical}
.cat-form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.cat-form .two{grid-template-columns:1fr}}
.cat-form .notice{font-size:.82rem;color:var(--ui-text);background:var(--ui-warm);
  border:1px solid var(--ui-border);border-radius:12px;padding:12px 14px;margin:0}
.cat-2col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(18px,2.6vw,36px);
  align-items:start}
@media (max-width:980px){.cat-2col{grid-template-columns:1fr}}
@media (max-width:640px){
  .cat-kv li{flex-direction:column;gap:2px}
  .cat-kv b{flex:0 0 auto}
  .cat-table th,.cat-table td{padding:8px 10px}
}
.cat-feature{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:0;
  border:1px solid var(--ui-border);border-radius:calc(var(--cat-radius) + 4px);overflow:hidden;
  background:#fff}
@media (max-width:900px){.cat-feature{grid-template-columns:1fr}}
.cat-feature .cf-copy{padding:clamp(20px,2.6vw,40px);display:flex;flex-direction:column;
  justify-content:center;gap:9px}
.cat-feature .cf-media{position:relative;min-height:260px;background:var(--ui-warm)}
.cat-feature .cf-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media (max-width:900px){.cat-feature .cf-media{order:-1;aspect-ratio:16/10;min-height:0}}
.cat-pager{display:flex;justify-content:center;margin-top:var(--cat-gap)}
body.ui2 .cat-hidden{display:none!important}