:root{--ink:#16191c;--or:#ee7d00;--soft:#4d565c;--line:#dde0e2;--sky:#eaf5fb}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:'Familjen Grotesk',system-ui,sans-serif;font-size:18px;line-height:1.5}
a{color:var(--ink)}button{font-family:inherit;color:var(--ink)}img{display:block}
.w{max-width:1440px;margin:0 auto;padding:0 56px}
.g12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.02}
.btn{display:inline-flex;justify-content:space-between;gap:24px;align-items:center;font-weight:600;padding:15px 24px;font-size:16px;text-decoration:none;border:2px solid var(--ink);cursor:pointer;background:none}
.btn.or{background:var(--or);border-color:var(--or);color:var(--ink)}
.btn.dk{background:var(--ink);color:#fff}
.ul{font-weight:600;text-decoration:underline;text-decoration-color:var(--or);text-decoration-thickness:3px;text-underline-offset:6px}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px;padding-top:12px;padding-bottom:0}
.top b{background:var(--ink);color:#fff;padding:4px 14px;font-weight:600}
header.nav{position:relative;background:#fff;border-bottom:1px solid var(--line)}
header.nav .in{height:84px;display:flex;align-items:center;gap:48px}
header.nav nav{display:flex;gap:36px;font-size:17px;font-weight:500;align-items:center;flex:1}
header.nav nav a,header.nav nav button{text-decoration:none;background:none;border:0;padding:8px 0;font-size:17px;cursor:pointer;border-bottom:3px solid transparent;display:flex;gap:8px;align-items:center}
header.nav nav .on{font-weight:600;border-bottom-color:var(--or)}
.mega{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 40px rgba(22,25,28,.14);z-index:20}
.mega.open{display:block}
.mega .in2{padding:40px 56px 44px;max-width:1440px;margin:0 auto;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.mega .items{grid-column:4 / span 9;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.mega .items a{text-decoration:none}
.mega .thumb{height:120px;background:var(--sky);display:grid;place-items:center;padding:12px}
.mega .thumb img{max-height:100%;max-width:100%}
.hero{position:relative;height:740px;overflow:hidden;background:#cfd6da}
.hero img.s{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s ease}
.hero img.s.on{opacity:1}
.hero .box{position:absolute;left:0;right:0;bottom:0}
.hero .panel{background:#fff;width:640px;max-width:100%;padding:44px 48px 36px}
.hero .txts{position:relative;height:238px}
.hero .t{position:absolute;inset:0 0 auto 0;opacity:0;transition:opacity .6s;pointer-events:none}
.hero .t.on{opacity:1;pointer-events:auto}
.hero h1{font-size:56px;margin-bottom:16px}
.hero p{margin:0 0 22px;font-size:19px;color:var(--soft)}
.ctl{display:flex;align-items:center;gap:20px;margin-top:8px}
.dots{display:flex;gap:6px;flex:1}
.dots button{flex:1;height:22px;background:none;border:0;padding:0;cursor:pointer;display:flex;align-items:center}
.dots span{display:block;width:100%;height:4px;background:#c9ced1}
.dots .on span{background:var(--or)}
.arr{width:44px;height:44px;border:1.5px solid var(--ink);background:#fff;cursor:pointer;display:grid;place-items:center}
.state{padding:120px 0 96px}
.state p{grid-column:1 / span 8;margin:0;font-size:44px;line-height:1.14;font-weight:500;letter-spacing:-.015em}
.tiles{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.tile{position:relative;overflow:hidden;text-decoration:none;background:#cfd6da}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tile .cap{position:absolute;left:0;bottom:0;background:#fff;padding:22px 30px 22px 26px;display:flex;gap:28px;align-items:center;justify-content:space-between}
.tile .cap b{font-size:26px;font-weight:600;line-height:1.1;display:block}
.tile .cap small{font-size:15px;color:var(--soft)}
.sec{padding:112px 0}
.sec.bt{border-top:1px solid var(--line)}
.mosaic{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}
.mosaic figure{margin:0}
.mosaic .ph{overflow:hidden;background:#cfd6da}
.mosaic img{width:100%;height:100%;object-fit:cover}
.mosaic figcaption{padding-top:14px;font-size:16px}
.mosaic figcaption div{color:var(--soft)}
/* comparador de luz (fondo claro) */
.light{background:var(--sky)}
.scene{position:relative;height:560px;overflow:hidden}
.scene img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:filter .6s}
.scene .tint{position:absolute;inset:0;mix-blend-mode:multiply;transition:background .6s}
.scene span{position:absolute;left:20px;bottom:18px;background:#fff;padding:6px 12px;font-size:14px}
.lbtn{display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;border:1.5px solid var(--ink);padding:16px 18px;font-size:19px;cursor:pointer;width:100%;margin-bottom:10px}
.lbtn.on{background:var(--or);border-color:var(--or)}
.lbtn i{display:inline-block;width:26px;height:26px;border:1px solid #9aa3a8;margin-right:14px;vertical-align:middle}
.bar{height:6px;background:#fff}.bar div{height:6px;background:var(--or);transition:width .6s}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--ink)}
.facts div{padding:28px 28px 0;border-right:1px solid var(--line)}
.facts div:first-child{padding-left:0}.facts div:last-child{border-right:0}
.facts b{font-size:30px;font-weight:600;line-height:1.1;display:block}
.facts p{margin:12px 0 0;font-size:16px;color:var(--soft)}
.cta{background:var(--or)}
.cta .w{padding-top:96px;padding-bottom:96px;align-items:end}
.cta h2{grid-column:1 / span 7;font-size:84px;line-height:.95;letter-spacing:-.03em}
.cta .r{grid-column:9 / span 4}
.cta .r .btn{display:flex;margin-bottom:10px}
footer.ft{border-top:1px solid var(--line);font-size:15px;color:var(--soft)}
footer.ft .w{padding-top:32px;padding-bottom:32px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.crumb{padding-top:28px;font-size:15px;color:var(--soft)}.crumb a{color:var(--soft)}
/* catálogo */
.tabs{display:flex;gap:12px;flex-wrap:wrap}
.tabs button{background:#fff;border:2px solid var(--ink);padding:12px 22px;font-size:16px;font-weight:600;cursor:pointer}
.tabs button.on{background:var(--ink);color:#fff}
.flt button.cb{display:flex;align-items:center;gap:12px;background:none;border:0;padding:0;margin-bottom:10px;font-size:17px;cursor:pointer;text-align:left}
.cbx{width:22px;height:22px;border:2px solid var(--ink);display:grid;place-items:center;flex:none;font-size:14px;line-height:1}
.on .cbx{background:var(--or)}
.sw{width:18px;height:18px;border:1px solid #c5cbcf;flex:none}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{display:flex;flex-direction:column;text-decoration:none;border:1px solid var(--line);background:#fff}
.card .bn{height:30px;font-size:14px;font-weight:600;text-align:center;padding:5px 0}
.card .im{height:230px;background:var(--sky);display:grid;place-items:center;padding:20px}
.card .im img{max-width:100%;max-height:100%}
.card .bd{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .bd b{font-size:24px;font-weight:600;line-height:1.1}
.card .bd small{font-size:15px;color:var(--soft)}
.card .meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:14px;color:var(--soft);display:flex;justify-content:space-between}
/* ficha */
.gal{position:relative;height:600px;overflow:hidden;background:var(--sky)}
.gal .sl{position:absolute;inset:0;display:none}.gal .sl.on{display:block}
.gal .sl.c{display:none;place-items:center;padding:48px}.gal .sl.c.on{display:grid}
.gal .sl.c img{max-width:100%;max-height:100%}
.gal .sl.p img{width:100%;height:100%;object-fit:cover}
.gal .arr{position:absolute;top:50%;margin-top:-22px}
.thumbs{display:flex;gap:12px;margin-top:12px}
.thumbs button{width:112px;height:76px;padding:0;border:3px solid transparent;cursor:pointer;overflow:hidden;display:grid;place-items:center;background:var(--sky)}
.thumbs button.on{border-color:var(--or)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.swb{display:flex;gap:12px;margin-bottom:12px}
.swb button{width:64px;height:48px;padding:0;border:1px solid #c5cbcf;cursor:pointer}
.swb button.on{outline:3px solid var(--or);outline-offset:3px}
.ttabs{display:flex;border-bottom:2px solid var(--ink);flex-wrap:wrap}
.ttabs button{background:#fff;border:0;padding:16px 28px;font-size:17px;font-weight:600;cursor:pointer}
.ttabs button.on{background:var(--ink);color:#fff}
.tp{display:none;padding-top:12px;max-width:900px}.tp.on{display:block}
.row{display:grid;grid-template-columns:300px 1fr;border-bottom:1px solid var(--line);padding:16px 0}
.row b{font-weight:600}
.calc input{font-size:20px;padding:14px;border:2px solid var(--ink);border-radius:0;width:100%;font-family:inherit}
.calc label{display:flex;flex-direction:column;gap:8px;font-size:15px;font-weight:600}
.res{background:var(--sky);padding:28px;margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:20px 28px}
.res b{font-size:56px;font-weight:600;line-height:1;color:#b85c00;display:block}
.res small{font-size:15px;color:var(--soft)}
.others{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.faq{border-top:1px solid var(--line)}
.faq button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:0;padding:22px 0;font-size:20px;font-weight:600;text-align:left;cursor:pointer}
.faq p{display:none;margin:0 0 22px;font-size:18px;color:#3b444a;max-width:58ch}
.faq.on p{display:block}
@media(max-width:1000px){
 .w{padding:0 20px}.mega .in2{padding:24px 20px}
 .g12,.tiles,.mosaic,.cards,.others,.facts{grid-template-columns:1fr}
 .g12>*,.tiles>*{grid-column:1 / -1 !important}
 .tile{height:340px !important}
 header.nav .in{height:auto;padding-top:14px;padding-bottom:14px;flex-wrap:wrap;gap:12px}
 header.nav nav{gap:18px;flex-wrap:wrap;order:3;width:100%}
 .mega .items{grid-template-columns:repeat(2,1fr);grid-column:1/-1}.mega .in2>div:first-child{grid-column:1/-1}
 .hero{height:640px}.hero .panel{padding:24px 22px}.hero h1{font-size:34px}.hero .txts{height:210px}
 .state p{font-size:28px}.state{padding:56px 0}
 .sec{padding:64px 0}.cta h2{font-size:44px}
 .mosaic figure{margin:0 !important}.mosaic .ph{height:360px !important}
 .scene{height:340px}.facts div{border-right:0;padding:20px 0 0}
 h2.big{font-size:40px !important}
 .gal{height:380px}.row{grid-template-columns:130px 1fr}
 .res b{font-size:40px}.card .im{height:200px}
 .hero .ctl{gap:10px}
}
.card .ftk{border-top:1px solid var(--line);padding:12px 22px;font-size:14px}
.card .ftk a{font-weight:600}.card .ftk span{color:var(--soft)}
.gal .sl img{max-width:100%;max-height:100%}
.gal .sl.p img{max-width:none;max-height:none}
.mega .items{grid-template-columns:repeat(5,minmax(0,1fr));row-gap:20px}
.mega .thumb{height:96px}
.nop{font-size:13px;color:#7b868c;text-align:center;padding:8px}

.card{position:relative}
.card .qs{position:absolute;left:0;right:0;top:30px;bottom:44px;background:#fff;border:1px solid var(--line);border-top:3px solid #ee7d00;padding:14px 18px;overflow:auto;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:3;font-size:14px}
.card .qt{font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#b85c00;margin-bottom:6px}
.card .qr{display:grid;grid-template-columns:42% 1fr;gap:8px;padding:5px 0;border-bottom:1px solid var(--line);line-height:1.25}
.card .qr b{font-weight:600}
.card .ql{display:inline-block;margin-top:10px;font-weight:600;color:#16191c}
.card .qb{display:none;border:0;border-top:1px solid var(--line);background:#fff;font:inherit;font-size:14px;font-weight:600;padding:10px;cursor:pointer}
@media (hover:hover){.card:hover .qs,.card:focus-within .qs{opacity:1;visibility:visible;transform:none}}
.card.open .qs{opacity:1;visibility:visible;transform:none}
@media (hover:none){.card .qb{display:block}}
.pdfv{width:100%;height:760px;border:1px solid var(--line);margin-bottom:20px;display:block}

.card .clr{margin-top:6px;padding:10px 0 2px;border-top:1px dashed var(--line)}
.card .cl{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--soft);margin-bottom:6px}
.card .cs{display:flex;flex-wrap:wrap;gap:6px}
.card .sw2{width:26px;height:26px;border-radius:50%;border:1px solid rgba(22,25,28,.28);box-shadow:inset 0 0 0 2px #fff}
.card .sw2.hit{outline:2px solid var(--or);outline-offset:2px}
.card .cn{font-size:13px;color:var(--soft);margin-top:6px;line-height:1.3}

/* ===== móvil y tablet ===== */
.hb{display:none;width:48px;height:48px;border:1px solid var(--line);background:#fff;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;margin-left:auto}
.hb i{display:block;width:22px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
header.nav.open .hb i:nth-child(1){transform:translateY(7px) rotate(45deg)}
header.nav.open .hb i:nth-child(2){opacity:0}
header.nav.open .hb i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
header.nav .cartl{margin-left:auto}
header.nav .navwa{display:none}
@media(max-width:1000px){
 .top{padding-top:8px;font-size:13px}
 header.nav .in{height:64px;padding-top:0;padding-bottom:0;flex-wrap:nowrap;gap:12px}
 header.nav .in>.btn.or{display:none}
 .hb{display:flex}
 header.nav nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 40px rgba(22,25,28,.14);z-index:30;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;width:auto;order:0;max-height:calc(100vh - 100px);overflow:auto}
 header.nav.open nav{display:flex}
 header.nav nav a,header.nav nav button{padding:16px 0;border-bottom:1px solid var(--line);font-size:19px;justify-content:space-between;width:100%}
 header.nav nav .on{border-bottom-color:var(--line)}
 header.nav .cartl{margin-left:0}
 header.nav .navwa{display:flex;justify-content:center;margin-top:16px;border-bottom:0}
 .mega{display:none !important}
}
@media(max-width:640px){
 .top .tl{display:none}
 .top{justify-content:flex-start}
 .w{padding-left:16px;padding-right:16px}
 h1.big{font-size:44px !important}
 .btn{min-height:48px}
}

/* fix: hijos con grid-column inline en una sola columna */
@media(max-width:1000px){
 .g12,.tiles,.mosaic,.cards,.others,.facts{grid-template-columns:minmax(0,1fr) !important}
 .g12>*,.tiles>*{grid-column:1 / -1 !important;min-width:0}
 .res{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:640px){.row{grid-template-columns:110px minmax(0,1fr)}img,table{max-width:100%}}

/* ---- Selector de luz con la foto de muestras ---- */
.lread{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.lread .num{font-size:96px;font-weight:600;line-height:.9;letter-spacing:-.02em}.lread .num small{font-size:40px;margin-left:4px}
.lread .nm{font-size:18px;color:#3b444a}.lread .nm b{color:var(--ink);font-weight:600}
.lstrip{position:relative;margin-top:40px;line-height:0;overflow:hidden}
.lstrip img{width:100%;height:auto;display:block}
.sw-hit{position:absolute;top:11%;bottom:12%;background:transparent;border:0;padding:0;cursor:pointer;outline-offset:-4px}
.sw-hit:hover{outline:3px solid rgba(255,255,255,.85)}
.sw-hit.on{outline:4px solid var(--or)}
.sw-hit.na{cursor:not-allowed}.sw-hit.na:hover{outline:0}
.lstrip-l{position:relative;height:74px;margin-top:10px}
.sw-lbl{position:absolute;top:0;background:transparent;border:0;border-top:3px solid var(--line);padding:10px 4px 0;text-align:center;cursor:pointer;font:inherit;color:var(--ink);display:flex;flex-direction:column;gap:2px;align-items:center}
.sw-lbl b{font-weight:600;font-size:16px;line-height:1.15}.sw-lbl span{font-size:15px;color:#3b444a}
.sw-lbl.on{border-top-color:var(--or)}.sw-lbl.on span{color:var(--ink);font-weight:600}
.sw-lbl.na{cursor:default;opacity:.55}
.lnote{margin:14px 0 0;font-size:14px;color:var(--soft)}
@media (max-width:1000px){
 .lread .num{font-size:72px}.lstrip{margin-top:28px}
 .lstrip-l{height:86px}.sw-lbl{padding:8px 1px 0}.sw-lbl b{font-size:11px}.sw-lbl span{font-size:11px}
}

/* ---- Perfil y medidas / unión de planchas ---- */
.perfil{border:1px solid var(--line);background:#fff;padding:28px 24px}
.perfil img{display:block;width:100%;height:auto;max-width:1100px;margin:0 auto}
.union{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center;margin-top:20px;border:1px solid var(--line);background:#fff;padding:28px 32px}
.union img{width:100%;height:auto;display:block}
.union b{font-size:24px;font-weight:600}.union p{margin:10px 0 0;font-size:18px;color:#3b444a;max-width:46ch}
@media (max-width:1000px){.union{grid-template-columns:1fr;gap:20px;padding:20px}.perfil{padding:16px 10px}}