/* Clima Nord — кейсы: вступление с печатью «данные для примера», галерея карточек разной ширины
   с планами-чертежами, фильтр вкладками, четыре документа. Страница кейса — внизу файла. */

.pr-intro{padding-block:clamp(32px,5vw,64px) clamp(32px,4vw,48px);border-bottom:1px solid var(--linea)}
.pr-intro__env{display:grid;gap:24px;align-items:end}
.pr-intro h1{max-width:15ch}
.pr-intro__sello{margin-top:18px}
@media(min-width:1000px){.pr-intro__env{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:72px}}

.galeria{padding-block:clamp(28px,4vw,48px) clamp(48px,6vw,88px);border-bottom:1px solid var(--linea)}
.casos{display:grid;gap:16px}
.caso{display:grid;grid-template-rows:auto 1fr;background:var(--blanco);border:1px solid var(--tinta)}
.caso[hidden]{display:none}
.caso__img{margin:0;border-bottom:1px solid var(--linea);background:var(--papel);overflow:hidden}
.caso__img img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}
.caso__pie{display:block;padding:8px 14px;border-top:1px solid var(--linea);background:var(--blanco);font-size:12px;
  letter-spacing:.04em;text-transform:uppercase;color:var(--tinta-2)}
.caso__img--plano{display:grid;place-items:center;padding:18px}
.caso__img--plano svg{width:100%;max-height:230px}
.caso__img--plano text{font-size:14px}
@media(min-width:760px){.caso__img--plano text{font-size:10.5px}}
.caso__txt{display:grid;gap:10px;align-content:start;padding:18px 18px 22px}
.caso__cod{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--acento-texto)}
.caso__titulo{font-size:clamp(20px,2.2vw,25px);line-height:1.15}
.caso__resumen{font-size:15px;line-height:1.5;color:var(--tinta-2)}
.caso__ficha{display:grid;grid-template-columns:1fr 1fr;margin-top:6px;border-top:1px solid var(--linea)}
.caso__ficha div{display:grid;gap:2px;padding:10px 10px 10px 0;border-bottom:1px solid var(--linea)}
.caso__ficha div:nth-child(even){padding-left:10px;border-left:1px solid var(--linea)}
.caso__ficha dt{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--tinta-2)}
.caso__ficha dd{font-size:14.5px;font-weight:500;line-height:1.35}
.caso__ficha dd.mono{font-size:14px}
.caso__btn{justify-self:start;margin-top:10px}
.galeria__vacio{padding:32px;background:var(--blanco);border:1px dashed var(--linea-2);text-align:center}
@media(min-width:760px){
  .casos{grid-template-columns:repeat(6,minmax(0,1fr));grid-auto-flow:dense}
  .caso{grid-column:span 3}
  .caso--grande,.caso--ancho{grid-column:span 6}
  .caso--ancho{grid-template-rows:none;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
  .caso--ancho .caso__img{border-bottom:0;border-right:1px solid var(--linea)}
  .caso--grande .caso__img img{aspect-ratio:5/2}
  .caso--grande .caso__txt{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);column-gap:32px;padding:24px 28px 28px}
  .caso--grande .caso__cod{grid-column:1;grid-row:1}
  .caso--grande .caso__titulo{grid-column:1;grid-row:2}
  .caso--grande .caso__resumen{grid-column:1;grid-row:3}
  .caso--grande .caso__ficha{grid-column:2;grid-row:1/span 2;margin-top:0;align-self:start}
  .caso--grande .caso__btn{grid-column:2;grid-row:3;align-self:end;margin-top:0}
  .caso--ancho .caso__txt{padding:28px 28px 30px}
}
@media(min-width:1100px){
  .caso{grid-column:span 2}
  .caso--grande{grid-column:span 4}
  .caso--ancho{grid-column:span 4}
  .caso--medio{grid-column:span 3}
  .casos.filtrado .caso{grid-column:span 3}
  .casos.filtrado .caso--grande,.casos.filtrado .caso--ancho{grid-column:span 6}
  .caso--grande .caso__titulo{font-size:28px}
}

/* ── четыре документа ─────────────────────────────────────────── */
.documentos__cab{max-width:760px;margin-bottom:36px}
.documentos__cab .entradilla{margin-top:16px}
.papeles{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px}
.papel{display:grid;gap:6px;align-content:start}
.papel__dib{width:92px;height:115px;margin-bottom:10px;color:var(--tinta)}
.papel__num{font-size:12px;color:var(--acento-texto)}
.papel b{font-size:17px;line-height:1.25}
.papel span:last-child{font-size:14.5px;line-height:1.45;color:var(--tinta-2)}
@media(min-width:900px){.papeles{grid-template-columns:repeat(4,1fr);gap:32px}.papel__dib{width:110px;height:138px}}

/* ═══ страница кейса ═════════════════════════════════════════════ */
.cs-portada{position:relative;background:var(--papel);border-bottom:1px solid var(--linea)}
.cs-portada__img{width:100%;aspect-ratio:5/2;object-fit:cover;min-height:220px}
.cs-portada__panel{position:relative;margin:-48px var(--lado) 0;padding:22px 20px 24px;background:var(--blanco);border:1px solid var(--tinta)}
.cs-portada::after{content:"";display:block;height:clamp(32px,4vw,56px)}
.cs-portada__panel h1{margin:10px 0 12px;font-size:clamp(30px,4.6vw,56px);line-height:1.04;letter-spacing:-.025em;max-width:18ch}
.cs-portada__panel .entradilla{max-width:60ch}
.cs-migas{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--tinta-2)}
.cs-migas a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;color:var(--acento-texto)}
@media(min-width:900px){
  .cs-portada__panel{max-width:760px;margin:-140px 0 0 max(var(--lado),calc((100vw - var(--max)) / 2 + var(--lado)));padding:32px 36px 36px}
}
.cs-ficha{padding-block:clamp(40px,6vw,72px)}
.cs-ficha__env{display:grid;gap:32px}
.cs-ficha .ficha{border-top-width:2px}
.cs-cifras{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--tinta)}
.cs-cifras div{display:grid;gap:4px;padding:16px}
.cs-cifras div:nth-child(odd){border-right:1px solid var(--tinta)}
.cs-cifras div:nth-child(-n+2){border-bottom:1px solid var(--tinta)}
.cs-cifras b{font-family:var(--mono);font-size:clamp(20px,2.4vw,30px);font-weight:500;line-height:1;letter-spacing:-.03em;white-space:nowrap}
.cs-cifras span{font-size:13.5px;line-height:1.35;color:var(--tinta-2)}
@media(min-width:1000px){.cs-ficha__env{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:64px;align-items:start}}

.cs-plano{padding-block:clamp(48px,7vw,96px)}
.cs-plano__cab{max-width:760px;margin-bottom:28px}
.cs-plano__cab .entradilla{margin-top:14px}
.cs-plano h2{color:#fff}
.cs-plano__fig{margin:0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.cs-plano__svg{width:100%;min-width:640px;height:auto;fill:none;stroke:#cfe6ff;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.cs-plano__svg text{fill:#dce8f1;stroke:none;font-family:var(--mono);font-size:16px;letter-spacing:.02em}
.cs-plano__svg .t-zona{font-family:var(--sans);font-size:19px;font-weight:600;fill:#fff}
.cs-plano__svg .t-cota{fill:#9fb6c8;font-size:15px}
@media(min-width:760px){
  .cs-plano__svg text{font-size:12px;letter-spacing:.04em}
  .cs-plano__svg .t-zona{font-size:15px}
  .cs-plano__svg .t-cota{font-size:11px}
}
.cs-plano__svg .muro{stroke-width:4;stroke:#e6eff5}
.cs-plano__svg .fino{stroke:rgba(207,230,255,.45);stroke-width:1}
.cs-plano__svg .vidrio{stroke:var(--pantalla-txt);stroke-width:4}
.cs-plano__svg .equipo{fill:rgba(169,214,255,.16);stroke:var(--pantalla-txt);stroke-width:1.8}
.cs-plano__svg .aire{stroke:var(--pantalla-txt);stroke-dasharray:4 6}
.cs-plano__svg .tubo{stroke:#ffc6ae;stroke-dasharray:8 5;stroke-width:1.8}
.cs-plano__svg .sol{stroke:#ffc6ae}
.cs-plano__svg .t-sol{fill:#ffc6ae}
@media(prefers-reduced-motion:no-preference){.js .cs-plano__svg .aire{animation:flujo 1.6s linear infinite}}
.cs-plano__leyenda{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:18px;font-size:14px;color:#b9cad8}
.cs-plano__leyenda span{display:inline-flex;align-items:center;gap:10px}
.cs-plano__leyenda i{display:inline-block;width:28px;height:0;border-top:2px solid}
.cs-plano__leyenda .l-equipo{height:10px;border:1.8px solid var(--pantalla-txt);background:rgba(169,214,255,.16)}
.cs-plano__leyenda .l-tubo{border-top:2px dashed #ffc6ae}
.cs-plano__leyenda .l-vidrio{border-top:4px solid var(--pantalla-txt)}
.cs-plano__nota{margin-top:10px;font-size:13px;color:#9fb6c8}

.cs-calculo{padding-block:clamp(48px,7vw,96px)}
.cs-calculo__env{display:grid;gap:32px}
.cs-cuenta{border:1px solid var(--tinta);background:var(--blanco)}
.cs-cuenta__fila{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:12px 16px;border-bottom:1px solid var(--linea);font-size:15px}
.cs-cuenta__fila span:last-child{font-family:var(--mono);white-space:nowrap}
.cs-cuenta__fila--total{background:var(--acento-tenue);font-weight:600;border-bottom:0}
.cs-cuenta__fila--total span:last-child{color:var(--acento-texto);font-weight:500}
@media(min-width:1000px){.cs-calculo__env{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:64px;align-items:start}}

.cs-obra__lista{display:grid;gap:0;border-top:1px solid var(--tinta)}
.cs-obra__lista li{display:grid;grid-template-columns:86px minmax(0,1fr);gap:16px;padding:18px 0;border-bottom:1px solid var(--linea)}
.cs-obra__dia{font-family:var(--mono);font-size:13px;color:var(--acento-texto);padding-top:3px}
.cs-obra__lista b{display:block;font-size:17px;margin-bottom:4px}
.cs-obra__lista p{font-size:15px;line-height:1.5;color:var(--tinta-2)}
@media(min-width:1000px){
  .cs-obra__lista{grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--tinta)}
  .cs-obra__lista li{grid-template-columns:1fr;gap:10px;padding:22px 24px 26px;border-bottom:0;border-left:1px solid var(--linea)}
  .cs-obra__lista li:first-child{border-left:0;padding-left:0}
}

.cs-decisiones{display:grid;gap:22px}
.cs-decision{display:grid;gap:8px;padding:22px;background:var(--blanco);border:1px solid var(--linea)}
.cs-decision .mono{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--acento-texto)}
.cs-decision h3{font-size:19px}
.cs-decision p{font-size:15px;line-height:1.55;color:var(--tinta-2)}
@media(min-width:900px){.cs-decisiones{grid-template-columns:repeat(3,1fr)}}

.cs-nav{display:grid;gap:12px;padding-block:32px;border-top:1px solid var(--linea)}
.cs-nav a{display:grid;gap:4px;min-height:44px;padding:16px 18px;border:1px solid var(--tinta);text-decoration:none;color:var(--tinta);transition:background-color .2s}
.cs-nav a:hover{background:var(--acento-tenue)}
.cs-nav small{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--tinta-2)}
.cs-nav b{font-size:17px}
@media(min-width:760px){.cs-nav{grid-template-columns:1fr 1fr}.cs-nav a:last-child{text-align:right}}

.cs-calculo__mas{margin-top:14px}
.cs-gasto__env{display:grid;gap:32px}
.cs-gasto__barras{padding:24px 20px;border:1px solid var(--tinta);background:var(--blanco)}
@media(min-width:1000px){.cs-gasto__env{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:64px;align-items:center}.cs-gasto__barras{padding:28px}}
.cs-obra .titulo-2,.cs-decis .titulo-2{margin-bottom:28px}

.cs-figuras{display:grid;gap:24px;margin-top:32px}
.cs-figuras .foto img{aspect-ratio:3/2;object-fit:cover}
@media(min-width:760px){.cs-figuras{grid-template-columns:1fr 1fr;gap:28px}}