/* ==========================================================================
   Чех Пласт — CSS на категорийната страница (taxonomy-cp_category)
   Пренесен от одобреното демо category-pvc (май 2026). Зарежда се само на
   страници на категории. Общото (бутони, секции, хедър, футър) е в main.css.
   ========================================================================== */
.btn--ghost-light{background:transparent;color:var(--light-ink);border:1px solid var(--light-border-2);}
.btn--ghost-light:hover{border-color:var(--accent);color:var(--accent);}
.btn--sm{padding:11px 18px;font-size:12px;}
.btn .arr{transition:transform .2s;}
.btn:hover .arr{transform:translateX(3px);}
.section-label--light{color:rgba(26,34,48,0.58);}
.section-label--light .rule{background:var(--light-border-2);}
.section--light p,.section--light .lead{color:var(--light-ink-dim);}

.cat-hero{
  position:relative;
  min-height:520px;      /* в демото беше фиксирана; при по-дълъг текст секцията расте (03.09) */
  background:var(--bg);
  display:flex;
  align-items:stretch;
  overflow:hidden;
}
.cat-hero-bg{position:absolute;inset:0;z-index:0;}
.cat-hero-bg-img{position:absolute;inset:0;/* background-image: от снимката на категорията (inline) */background-size:cover;background-position:center;filter:brightness(.18) saturate(.5);}
.cat-hero::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(14,17,22,.97) 0%,rgba(14,17,22,.92) 38%,rgba(14,17,22,.55) 50%,rgba(14,17,22,0) 56%);pointer-events:none;}

/* Лява колона с текст */
.cat-hero-left{
  position:relative;z-index:2;
  flex:0 0 50%;
  display:flex;flex-direction:column;justify-content:center;
  padding:64px 48px 56px var(--gutter);
}
.cat-breadcrumb{display:flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,0.76);margin-bottom:24px;font-weight:500;}
.cat-breadcrumb .sep{color:rgba(255,255,255,0.32);}
.cat-breadcrumb .cur{color:#6BB6FF;}
.cat-breadcrumb a:hover{color:var(--accent);}
.cat-hero-tag{display:inline-flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#6BB6FF;margin-bottom:16px;font-weight:500;}
.cat-hero-tag::before{content:'';display:block;width:28px;height:1px;background:var(--accent);}
.cat-hero h1{font-size:clamp(32px,3.8vw,52px);font-weight:800;line-height:1.05;letter-spacing:-.03em;margin-bottom:16px;}
.cat-hero-desc{font-size:16px;color:rgba(255,255,255,0.82);line-height:1.65;max-width:520px;margin-bottom:32px;}
.cat-hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.cat-hero-facts{display:flex;gap:0;margin-top:28px;border:1px solid var(--border);align-self:flex-start;}
.cat-fact{padding:10px 18px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:3px;}
.cat-fact:last-child{border-right:0;}
.cf-v{font-family:var(--font-head);font-weight:700;font-size:14px;color:#FFFFFF;white-space:nowrap;}
.cf-k{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.10em;text-transform:uppercase;color:rgba(255,255,255,0.60);}

/* Дясна колона — image grid */
.cat-hero-right{
  position:relative;z-index:2;
  flex:1;
  display:flex;
  flex-direction:row;
  padding:12px 12px 12px 6px;
  gap:6px;
  align-self:stretch;
  overflow:hidden;
}
/* Голяма снимка — 60% от дясната зона */
.chg-large{
  flex:0 0 60%;
  overflow:hidden;
  position:relative;
  height:100%;
}
/* Три малки вертикално — 40% от дясната зона */
.chg-small-col{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow:hidden;
  height:100%;
}
.chg-small-col .chg-item{
  flex:1;
  min-height:0;
  overflow:hidden;
  position:relative;
  height:0; /* force flex to distribute equally */
}
.chg-large img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
  filter:brightness(.88) saturate(.85);
  transition:transform .5s ease, filter .3s ease;
}
.chg-small-col .chg-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
  filter:brightness(.88) saturate(.85);
  transition:transform .5s ease, filter .3s ease;
}
.chg-large:hover img,
.chg-small-col .chg-item:hover img{
  transform:scale(1.04);
  filter:brightness(.95) saturate(.95);
}
.chg-large::after{ display:none; }
.chg-small-col .chg-item::after{ display:none; }
/* REHAU badge върху голямата снимка */
.cat-hero-badge{
  position:absolute;bottom:14px;left:14px;
  background:rgba(14,17,22,.88);border:1px solid var(--border-2);
  font-family:'JetBrains Mono',monospace;font-size:10px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);
  padding:6px 12px;z-index:2;
}
.cat-hero-badge span{color:var(--accent);}

/* ═══════════════════════════════════════════════════
   TRUST STRIP
═══════════════════════════════════════════════════ */
.trust-strip{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:0;}
.trust-strip-inner{display:flex;align-items:stretch;}
.trust-item{flex:1;display:flex;align-items:center;gap:14px;padding:24px 28px;border-right:1px solid var(--border);transition:background .2s;}
.trust-item:last-child{border-right:0;}
.trust-item:hover{background:var(--surface);}
.trust-ico{width:36px;height:36px;flex-shrink:0;border:1px solid var(--border-2);display:grid;place-items:center;color:var(--accent);}
.trust-text .k{font-weight:700;font-size:14px;margin-bottom:2px;color:rgba(255,255,255,0.92);}
.trust-text .v{font-size:13px;color:rgba(255,255,255,0.64);line-height:1.45;}

/* ═══════════════════════════════════════════════════
   BUILDING TYPE SECTION
═══════════════════════════════════════════════════ */
.btype-section{}
.btype-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:40px;border:1px solid var(--light-border);}
.btype-card{background:var(--light-surface);border-right:1px solid var(--light-border);padding:28px 24px;display:flex;flex-direction:column;gap:16px;transition:all .22s;position:relative;overflow:hidden;}
.btype-card:last-child{border-right:0;}
.btype-card:hover{background:rgba(46,117,182,.04);border-bottom:2px solid var(--accent);}
.btype-card.active{background:rgba(46,117,182,.06);}
.btype-card.active::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent);}
.btype-ico-wrap{width:52px;height:52px;border:1px solid var(--light-border-2);display:grid;place-items:center;color:var(--accent);transition:border-color .2s;}
.btype-card:hover .btype-ico-wrap,.btype-card.active .btype-ico-wrap{border-color:var(--accent);}
.btype-title{font-family:var(--font-head);font-weight:700;font-size:16px;color:var(--light-ink);}
.btype-desc{font-size:13px;color:var(--light-ink-dim);line-height:1.55;flex:1;}
.btype-systems{display:flex;flex-direction:column;gap:5px;margin-top:4px;}
.btype-sys{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.08em;color:var(--accent);display:flex;align-items:center;gap:6px;}
.btype-sys::before{content:'';width:4px;height:4px;background:var(--accent);border-radius:50%;flex-shrink:0;}
.btype-more{display:inline-flex;align-items:center;gap:6px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--light-ink-mute);margin-top:16px;transition:color .15s;}
.btype-card:hover .btype-more{color:var(--accent);}

/* ═══════════════════════════════════════════════════
   PRODUCT GRID
═══════════════════════════════════════════════════ */
.product-grid-section{}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;}
.product-card{background:var(--light-surface);border:1px solid var(--light-border);overflow:hidden;transition:all .3s;display:flex;flex-direction:column;}
.product-card:hover{border-color:var(--accent);transform:translateY(-5px);box-shadow:0 24px 56px -20px rgba(20,40,70,.22);}
.pc-img{height:200px;overflow:hidden;position:relative;background:#e8ecf2;}
.pc-img img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;filter:brightness(.88) saturate(.85);transition:transform .5s ease,filter .3s;}
.product-card:hover .pc-img img{transform:scale(1.04);filter:brightness(.95) saturate(.95);}
.pc-badges{position:absolute;top:14px;left:14px;display:flex;gap:6px;flex-wrap:wrap;}
.pc-badge{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.1em;text-transform:uppercase;padding:4px 8px;background:rgba(14,17,22,.82);border:1px solid rgba(255,255,255,.15);color:#fff;}
.pc-badge--accent{background:rgba(46,117,182,.88);border-color:rgba(46,117,182,.5);}
.pc-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.pc-tag{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.10em;text-transform:uppercase;color:var(--accent);font-weight:500;}
.pc-name{font-family:var(--font-head);font-weight:700;font-size:20px;color:var(--light-ink);letter-spacing:-.01em;line-height:1.2;}
.pc-name a:hover{color:var(--accent);} /* снимката и името са линкове към системата; ръчичка само там и на бутоните (05.09) */
.pc-img a{display:block;height:100%;}
.pc-desc{font-size:14px;color:var(--light-ink-dim);line-height:1.55;}
.pc-specs{display:flex;gap:0;border:1px solid var(--light-border);margin:4px 0;}
.pc-spec{flex:1;padding:10px 12px;border-right:1px solid var(--light-border);text-align:center;}
.pc-spec:last-child{border-right:0;}
.pc-spec .sv{font-family:var(--font-head);font-weight:700;font-size:14px;color:var(--accent);display:block;line-height:1.1;margin-top:3px;}
.pc-spec .sk{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--light-ink-mute);display:block;}
.pc-actions{display:flex;flex-direction:column;gap:8px;margin-top:auto;padding-top:4px;}
.pc-cta-primary{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;background:var(--accent);color:#fff;font-family:var(--font-head);font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;transition:all .2s;}
.pc-cta-primary:hover{background:var(--accent-hover);}
.pc-cta-secondary{display:flex;align-items:center;justify-content:center;gap:6px;padding:9px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--light-ink-mute);border:1px solid var(--light-border);transition:all .15s;}
.pc-cta-secondary:hover{border-color:var(--accent);color:var(--accent);}

/* ═══════════════════════════════════════════════════
   HOW TO CHOOSE
═══════════════════════════════════════════════════ */
.how-section{background:var(--bg-2);}
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;}
.how-card{background:var(--surface);border:1px solid var(--border);padding:36px 30px;position:relative;overflow:hidden;transition:border-color .2s;}
.how-card:hover{border-color:var(--accent);}
.how-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--border);}
.how-card:nth-child(1)::before{background:linear-gradient(90deg,var(--accent),rgba(46,117,182,.3));}
.how-card:nth-child(2)::before{background:linear-gradient(90deg,rgba(46,117,182,.5),var(--accent),rgba(46,117,182,.5));}
.how-card:nth-child(3)::before{background:linear-gradient(90deg,rgba(46,117,182,.3),var(--accent));}
.how-num{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:16px;}
.how-title{font-size:20px;font-weight:700;margin-bottom:14px;}
.how-desc{font-size:14px;color:rgba(255,255,255,0.74);line-height:1.65;margin-bottom:20px;}
.how-systems{display:flex;flex-direction:column;gap:8px;}
.how-sys{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,0.74);}
.how-sys::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%;flex-shrink:0;}
.how-sys strong{color:var(--ink);font-weight:600;}

/* ═══════════════════════════════════════════════════
   CTA SECTION
═══════════════════════════════════════════════════ */
.cat-cta{background:var(--bg);position:relative;overflow:hidden;border-top:2px solid rgba(46,117,182,.35);border-bottom:2px solid rgba(46,117,182,.35);box-shadow:0 -24px 80px -20px rgba(0,0,0,.5),0 24px 80px -20px rgba(0,0,0,.5);}
.cat-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(80% 60% at 100% 100%,rgba(46,117,182,.15) 0%,transparent 60%),radial-gradient(40% 40% at 0% 0%,rgba(46,117,182,.08) 0%,transparent 50%);pointer-events:none;}
.cat-cta-inner{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto;}
.cat-cta-inner h2{font-size:40px;font-weight:700;letter-spacing:-.025em;line-height:1.1;margin-bottom:20px;}
.cat-cta-inner h2 em{font-style:normal;color:var(--accent);}
.cat-cta-inner p{font-size:16px;color:rgba(255,255,255,0.78);line-height:1.7;margin-bottom:40px;}
.cat-cta-btns{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ═══════════════════════════════════════════════════
   RELATED CATEGORIES
═══════════════════════════════════════════════════ */
.related-cats{}
.related-cats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;}
.rel-cat-card{background:var(--light-surface);border:1px solid var(--light-border);overflow:hidden;cursor:pointer;transition:all .3s;display:flex;flex-direction:column;}
.rel-cat-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 16px 40px rgba(20,40,70,.16);}
.rel-cat-img{height:140px;overflow:hidden;position:relative;}
.rel-cat-img img{width:100%;height:100%;object-fit:cover;filter:brightness(.78) saturate(.75);transition:transform .5s,filter .3s;}
.rel-cat-card:hover .rel-cat-img img{transform:scale(1.06);filter:brightness(.9) saturate(.9);}
.rel-cat-body{padding:18px 20px;flex:1;display:flex;flex-direction:column;gap:8px;}
.rel-cat-tag{font-family:'JetBrains Mono',monospace;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);}
.rel-cat-body h3{font-size:16px;font-weight:700;color:var(--light-ink);}
.rel-cat-body p{font-size:12px;color:var(--light-ink-mute);line-height:1.5;}
.rel-cat-link{display:inline-flex;align-items:center;gap:6px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-top:auto;}

/* ═══════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════ */
.footer{background:#151B24;padding:80px 0 0;border-top:1px solid var(--border);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:60px;padding-bottom:60px;}
.footer-col h4{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col li{color:rgba(255,255,255,0.68);font-size:14px;transition:color .15s;}
.footer-col a:hover{color:var(--accent);}
.footer-col p{color:rgba(255,255,255,0.68);font-size:14px;line-height:1.6;margin-top:20px;}
.footer-cert{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap;}
.footer-cert .badge{padding:8px 12px;border:1px solid var(--border-2);font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.12em;color:var(--ink-dim);}
.footer-bottom{border-top:1px solid var(--border);padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,0.52);}
.footer-bottom .left{display:flex;gap:24px;}
.social{display:flex;gap:8px;}
.social a{width:34px;height:34px;border:1px solid var(--border);display:grid;place-items:center;color:var(--ink-dim);transition:all .15s;}
.social a:hover{border-color:var(--accent);color:var(--accent);}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media(max-width:1100px){
  :root{--gutter:28px;}
  .nav{display:none;}
  .burger{display:inline-flex;}
  .header-actions .btn--primary{display:none;}
  .cat-hero{height:auto;flex-direction:column;}
  .cat-hero-left{flex:none;width:100%;padding:40px var(--gutter) 24px;}
  .cat-hero-right{height:200px;padding:0 var(--gutter) 12px;flex-shrink:0;align-self:stretch;}
  .chg-large{flex:0 0 58%;}
  .cat-hero-facts{flex-wrap:wrap;}
  .cat-fact{flex:1 1 calc(50% - 1px);}
  .trust-strip-inner{flex-wrap:wrap;}
  .trust-item{flex:1 1 calc(50% - 1px);border-bottom:1px solid var(--border);}
  .btype-grid{grid-template-columns:repeat(2,1fr);}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .how-grid{grid-template-columns:1fr;}
  .related-cats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-inner{grid-template-columns:1fr;gap:40px;}
}
@media(max-width:768px){
  .product-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:640px){
  :root{--gutter:16px;}
  .topbar .meta:first-child span:nth-child(n+2){display:none;}
  .topbar .meta:last-child span:nth-child(n+2){display:none;}
  .topbar-inner{height:34px;font-size:11px;}
  .topbar .meta{gap:14px;}
  .header-inner{height:72px;gap:16px;}
  .cat-hero{height:auto;flex-direction:column;min-height:480px;align-items:center;}
  .cat-hero-bg-img{filter:brightness(.45) saturate(.7);}
  .cat-hero::after{background:linear-gradient(180deg,rgba(14,17,22,.85) 0%,rgba(14,17,22,.55) 40%,rgba(14,17,22,.3) 65%,rgba(14,17,22,.7) 100%);}
  .cat-hero-right{display:none;}
  .cat-hero-left{width:100%;flex:none;padding:40px var(--gutter) 36px;}
  .cat-hero h1{font-size:30px;}
  .cat-hero-cta{flex-direction:column;}
  .cat-hero-facts{display:none;}
  .trust-item{flex:1 1 100%;}
  .btype-grid{grid-template-columns:1fr;border:none;gap:8px;}
  .btype-card{border:1px solid var(--light-border);border-right:1px solid var(--light-border)!important;}
  .product-grid{grid-template-columns:1fr;}
  .how-grid{grid-template-columns:1fr;}
  .related-cats-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:16px;}
  .cat-cta-btns{flex-direction:column;align-items:center;}
  .cat-cta-inner h2{font-size:28px;}
  .section{padding:48px 0;}
}


/* Адаптации за WordPress: картите на типовете обекти са статични (без избор), връзките в тях водят към системите */
.btype-sys { display: inline-flex; align-items: center; gap: 6px; }
.btype-sys:hover { color: var(--accent); }
.related-cats-grid .rel-cat-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 768px) { .cat-intro-grid { grid-template-columns: 1fr !important; gap: 16px !important; } .cat-grid-head { flex-direction: column; align-items: flex-start !important; gap: 12px; } .cat-grid-head p { text-align: left !important; } }

/* ФИЛТЪР ПО МАРКА над грида на системите (06.09) */
.brand-filter{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:28px 0 20px;}
.bf-label{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--light-ink-mute);margin-right:6px;}
.bf-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;background:var(--light-surface);border:1px solid var(--light-border-2);color:var(--light-ink);font-family:var(--font-head);font-weight:600;font-size:12px;letter-spacing:.04em;cursor:pointer;transition:all .15s;}
.bf-btn:hover{border-color:var(--accent);color:var(--accent);}
.bf-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;}
.bf-n{font-family:'JetBrains Mono',monospace;font-size:10px;opacity:.75;}
.product-card.is-hidden{display:none;}