:root{
  --orange:#ff7900; --orange-d:#e06a00;
  --ink:#111315; --ink-2:#1b1e21; --ink-3:#2a2e32;
  --paper:#f6f5f2; --white:#fff; --muted:#8a8f94; --line:rgba(255,255,255,.12);
  --r:14px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:'Montserrat',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em}
.eyebrow{font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:999px;font-weight:700;font-size:.95rem;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:.2s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{border-color:var(--ink);color:var(--ink)}
.btn-dark:hover{background:var(--ink);color:#fff}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:.25s}
.nav.solid{background:rgba(17,19,21,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav img{height:28px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:#fff;text-decoration:none;font-size:.85rem;font-weight:600;opacity:.85}
.nav-links a:hover{opacity:1;color:var(--orange)}
.nav-links .btn{padding:10px 20px;font-size:.82rem;opacity:1;color:#fff}
.nav-links .btn:hover{color:#fff}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;background:var(--ink);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:60% center}
.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,19,21,.92) 0%,rgba(17,19,21,.72) 45%,rgba(17,19,21,.15) 100%)}
.hero .wrap{position:relative;padding-top:110px;padding-bottom:70px}
.hero-copy{max-width:600px}
.hero h1{font-size:clamp(2.6rem,6.5vw,4.8rem);font-weight:800;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p.lead{font-size:1.15rem;opacity:.88;margin-bottom:34px;max-width:520px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.badges{display:flex;gap:26px;flex-wrap:wrap;margin-top:48px;padding-top:26px;border-top:1px solid var(--line);font-size:.82rem;font-weight:600}
.badges span:before{content:"✓";color:var(--orange);margin-right:8px;font-weight:800}

/* sections */
section{padding:100px 0}
.sec-head{max-width:640px;margin-bottom:54px}
.sec-head h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:14px}
.sec-head p{color:#555;font-size:1.05rem}
.dark{background:var(--ink);color:#fff}
.dark .sec-head p{color:#b6bbc0}
.paper{background:var(--paper)}

/* aplicaciones */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;color:#fff}
.app img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.app:hover img{transform:scale(1.06)}
.app:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.8))}
.app h3{position:absolute;left:22px;bottom:20px;z-index:2;font-size:1.3rem;font-weight:700}

/* modelos */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}
.split img.big{width:100%;height:auto;aspect-ratio:1100/853;object-fit:cover;border-radius:var(--r);box-shadow:0 30px 60px -25px rgba(0,0,0,.35)}
.models{display:grid;gap:16px;margin-top:8px}
.model{padding:22px 24px;border-radius:var(--r);background:var(--paper);border-left:4px solid var(--orange)}
.model h3{font-size:1.1rem;margin-bottom:4px}
.model p{color:#555;font-size:.95rem}

/* specs */
.specs{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.corte{background:#fff;border-radius:var(--r);padding:24px;position:sticky;top:90px}
.corte img{max-height:560px;margin:0 auto}
.corte small{display:block;text-align:center;color:#555;font-size:.75rem;margin-top:10px}
.spec-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.spec{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.spec .ph{background:#fff;aspect-ratio:1;display:grid;place-items:center}
.spec .ph img{width:100%;height:100%;object-fit:contain}
.spec div.t{padding:20px}
.spec h3{font-size:1rem;margin-bottom:8px;color:var(--orange)}
.spec p{font-size:.88rem;color:#b6bbc0}
.spec p b{color:#fff}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.fact{padding:22px;border-radius:var(--r);background:var(--ink-3)}
.fact b{display:block;font-size:1.7rem;font-weight:800;color:var(--orange);line-height:1.1}
.fact span{font-size:.82rem;color:#b6bbc0}

/* ensayos */
.tests{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.test-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.test-grid img{border-radius:10px;aspect-ratio:1;object-fit:cover;width:100%;filter:grayscale(.15)}
.checks{list-style:none;display:grid;gap:22px;margin:0 0 30px}
.checks li{padding-left:40px;position:relative;color:#444}
.checks li:before{content:"✓";position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;font-weight:800;font-size:.8rem;display:grid;place-items:center}
.checks b{color:var(--ink)}

/* ventajas */
.adv{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-item{padding:34px 28px;background:#fff;border-radius:var(--r);box-shadow:0 10px 30px -15px rgba(0,0,0,.18)}
.adv-item .ic{width:52px;height:52px;border-radius:14px;background:rgba(255,121,0,.12);color:var(--orange);display:grid;place-items:center;margin-bottom:18px}
.adv-item h3{font-size:1.15rem;margin-bottom:8px}
.adv-item p{color:#555;font-size:.95rem}

/* video */
.video{border-radius:var(--r);overflow:hidden;background:#000;aspect-ratio:16/9;box-shadow:0 30px 60px -25px rgba(0,0,0,.5)}
.video video{width:100%;height:100%;object-fit:cover}

/* contacto */
.contact{background:linear-gradient(135deg,var(--orange),#ff9a3d);color:#fff}
.contact .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.contact h2{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:14px}
.contact p{font-size:1.05rem;opacity:.95}
form{background:#fff;color:var(--ink);padding:32px;border-radius:var(--r);display:grid;gap:16px;box-shadow:0 30px 60px -25px rgba(0,0,0,.4)}
form label{font-size:.78rem;font-weight:700;display:grid;gap:6px;text-transform:uppercase;letter-spacing:.05em}
form input,form select{padding:14px;border:1.5px solid #ddd;border-radius:10px;font:inherit;font-size:.95rem;text-transform:none;letter-spacing:0}
form input:focus,form select:focus{outline:none;border-color:var(--orange)}
form .btn{width:100%}
form small{color:#777;text-align:center;font-size:.75rem}

/* footer */
footer{background:var(--ink);color:#8a8f94;padding:44px 0;font-size:.85rem}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
footer img{height:26px;filter:brightness(1.1)}
footer a{text-decoration:none;margin-left:22px}
footer a:hover{color:var(--orange)}

/* wa flotante */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.3);transition:.2s}
.wa:hover{transform:scale(1.08)}
.wa svg{width:30px;height:30px;fill:#fff}

.rv{opacity:0;transform:translateY(24px);transition:.7s}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media(max-width:900px){
  section{padding:70px 0}
  .nav-links a:not(.btn){display:none}
  .apps,.adv,.spec-cards{grid-template-columns:1fr}
  .app{aspect-ratio:16/10}
  .split,.specs,.tests,.contact .grid{grid-template-columns:1fr;gap:36px}
  .corte{position:static}
  .facts{grid-template-columns:1fr 1fr}
  .hero-bg:after{background:linear-gradient(180deg,rgba(17,19,21,.6),rgba(17,19,21,.92))}
  footer .wrap{flex-direction:column;text-align:center}
  footer a{margin:0 10px}
}

/* ===== bloques extra (catálogos con muchas variantes) ===== */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:var(--paper);font-size:.8rem;font-weight:700}
.chip i{width:14px;height:14px;border-radius:50%;border:1px solid rgba(0,0,0,.2)}
.dark .chip{background:var(--ink-3)}
.lines{display:grid;gap:22px}
.line{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:center;background:var(--paper);border-radius:var(--r);padding:22px 28px}
.line .ph{background:#fff;border-radius:10px;aspect-ratio:1;display:grid;place-items:center;padding:12px}
.line .ph{overflow:hidden;position:relative;padding:0}.line .ph img{position:absolute;inset:14px;width:calc(100% - 28px);height:calc(100% - 28px);object-fit:contain}
.line h3{font-size:1.35rem;margin-bottom:8px}
.line p{color:#555}
.pills{display:flex;flex-wrap:wrap;gap:12px 14px}
.pill{padding:14px 20px;border-radius:12px;background:var(--ink-3);font-weight:600;font-size:.95rem;border-left:3px solid var(--orange)}
.pillbox{margin-top:28px}
.sheet{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;padding:34px 0;border-top:1px solid rgba(0,0,0,.1)}
.sheet:first-of-type{border-top:0}
.sheet:nth-child(even) .sheet-img{order:2}
.sheet-img{background:var(--paper);border-radius:var(--r);padding:20px;display:grid;place-items:center}
.sheet-img img{width:100%;max-height:340px;object-fit:contain;mix-blend-mode:multiply}
.codes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.codes span{font-size:.75rem;font-weight:700;padding:5px 10px;border-radius:6px;background:var(--ink);color:#fff;letter-spacing:.03em}
.codes span b{color:var(--orange);font-weight:700}
.dl{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:14px}
.dl div{padding:12px 14px;border-radius:10px;background:var(--paper)}
.dl b{display:block;font-size:1.25rem;line-height:1.2}
.dl span{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:#777;font-weight:600}
.tag{display:inline-block;font-size:.8rem;font-weight:700;padding:6px 12px;border-radius:8px}
.tag.ok{background:rgba(30,160,90,.12);color:#13804a}
.tag.perf{background:rgba(255,121,0,.14);color:#c25c00}
.note{font-size:.78rem;color:#777;margin-top:12px}
.acc{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.acc .item{background:#fff;border-radius:var(--r);padding:18px;text-align:center;box-shadow:0 10px 30px -18px rgba(0,0,0,.3)}
.acc .item img{aspect-ratio:1;object-fit:contain;margin-bottom:12px;mix-blend-mode:multiply}
.acc .item b{display:block;font-size:.8rem;color:var(--orange)}
.acc .item span{font-size:.85rem;font-weight:600;line-height:1.35;display:block}
.acc .item small{display:block;margin-top:6px;color:#777;font-size:.72rem}
.grp{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:grid;grid-template-columns:300px 1fr}
.grp .cover{position:relative;min-height:240px}
.grp .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.grp .body{padding:26px 28px}
.grp h3{font-size:1.2rem;margin-bottom:6px}
.grp ul{list-style:none;color:#b6bbc0;font-size:.88rem;margin:8px 0 18px;display:grid;gap:3px}
.grp ul li:before{content:"–";color:var(--orange);margin-right:8px}
.thumbs{display:flex;gap:10px;flex-wrap:wrap}
.thumbs img{width:84px;height:84px;object-fit:contain;background:#fff;border-radius:8px;padding:4px}
.grps{display:grid;gap:18px}
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mosaic img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r)}
.mosaic img:nth-child(1){grid-column:span 2;grid-row:span 1;aspect-ratio:auto;height:100%}
.apps.five{grid-template-columns:repeat(5,1fr)}
.apps.five .app{aspect-ratio:3/4}
.apps.five .app h3{font-size:1rem}
.apps.four{grid-template-columns:repeat(4,1fr)}
.apps.four .app{aspect-ratio:3/4}
.apps.four .app h3{font-size:1.05rem}
.feat-img{width:100%;height:auto;border-radius:var(--r)}
.dark .sheet-img{background:var(--ink-3)}
.list-check{list-style:none;display:grid;gap:12px}
.list-check li{padding-left:30px;position:relative}
.list-check li:before{content:"✓";position:absolute;left:0;color:var(--orange);font-weight:800}
@media(max-width:900px){
  .line{grid-template-columns:1fr}
  .line .ph{max-width:220px}
  .sheet{grid-template-columns:1fr}
  .sheet:nth-child(even) .sheet-img{order:0}
  .acc{grid-template-columns:1fr 1fr}
  .grp{grid-template-columns:1fr}
  .grp .cover{min-height:180px}
  .mosaic{grid-template-columns:1fr 1fr}
  .apps.five,.apps.four{grid-template-columns:1fr 1fr}
}

/* ===== cerramientos ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{min-width:0}.stat b{overflow-wrap:break-word}
.stat{background:var(--ink-3);border-radius:var(--r);padding:20px 18px;border-top:3px solid var(--orange)}
.stat span{display:block;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:#9aa0a6;font-weight:700;margin-bottom:8px}
.stat b{display:block;font-size:1.15rem;font-weight:800;line-height:1.25}
.stat.pro{background:var(--orange)}
.stat.pro span{color:rgba(255,255,255,.85)}
.cfgs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cfg{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:0 12px 34px -18px rgba(0,0,0,.28);display:flex;flex-direction:column}
.cfg .ph{background:#fff;aspect-ratio:16/10;display:grid;place-items:center;padding:14px;border-bottom:1px solid #eee}
.cfg .ph img{max-height:100%;width:100%;object-fit:contain}
.cfg div.t{padding:22px}
.cfg h3{font-size:1.15rem;margin-bottom:8px}
.cfg p{font-size:.92rem;color:#555}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vs>div{border-radius:var(--r);padding:28px;text-align:center}
.vs .us{background:var(--ink);color:#fff;border:2px solid var(--orange)}
.vs .them{background:var(--paper);color:var(--ink)}.vs .them h3{color:var(--ink)}
.vs img{width:100%;max-height:150px;object-fit:contain;margin-bottom:18px;background:#fff;border-radius:10px;padding:10px}
.vs h3{font-size:1.1rem;margin-bottom:14px}
.vs .us h3{color:var(--orange)}
.vs ul{list-style:none;display:grid;gap:8px;font-size:.92rem;text-align:left;max-width:280px;margin:0 auto}
.vs .us li:before{content:"✓ ";color:var(--orange);font-weight:800}
.vs .them li:before{content:"✕ ";color:#c0392b;font-weight:800}
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pillars li{list-style:none;padding:18px 20px;background:var(--ink-3);border-radius:12px;font-size:.92rem;color:#c9cdd1;border-left:3px solid var(--orange)}
.pillars b{color:#fff}
.docs{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.doc{background:#fff;border-radius:var(--r);padding:30px;box-shadow:0 12px 34px -18px rgba(0,0,0,.25)}
.doc h3{font-size:1.2rem;margin-bottom:12px}
.doc p{font-size:.92rem;color:#555;margin-bottom:10px}
.doc p:last-child{margin-bottom:0}
.feat{display:grid;gap:12px;margin:20px 0}
.feat div{padding:16px 18px;border-radius:12px;background:var(--paper);border-left:4px solid var(--orange)}
.feat b{display:block;margin-bottom:2px}
.feat span{font-size:.9rem;color:#555}
.cta-dl{margin-top:22px}
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tri .item{padding:26px;border-radius:var(--r);background:var(--paper)}
.tri .item img{aspect-ratio:16/10;object-fit:cover;width:100%;border-radius:10px;margin-bottom:16px}
.tri h3{font-size:1.1rem;margin-bottom:6px}
.tri p{font-size:.92rem;color:#555}
.video-loop{border-radius:var(--r);overflow:hidden;background:#000}
.video-loop video{width:100%;display:block}
@media(max-width:900px){.cfgs,.vs,.pillars,.docs,.tri{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}}

/* ===== mamparas ===== */
.steps{list-style:none;counter-reset:s;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;padding:16px 18px 16px 64px;background:var(--paper);border-radius:12px;display:grid;gap:2px}
.steps li:before{content:counter(s);position:absolute;left:16px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;font-weight:800;display:grid;place-items:center}
.steps b{font-size:.95rem}
.steps span{font-size:.9rem;color:#555}
.dark .steps li{background:var(--ink-3)}
.dark .steps span{color:#b6bbc0}
.mosaic img{background:#eee}
.mosaic.three{grid-template-columns:repeat(3,1fr)}
.mosaic.three img{aspect-ratio:1;height:auto}.mosaic.three img:nth-child(1){grid-column:auto;height:auto;aspect-ratio:1}
.spec-table{width:100%;border-collapse:collapse;font-size:.92rem}
.spec-table td{padding:12px 14px;border-bottom:1px solid #e6e6e6}
.spec-table td:first-child{font-weight:700;width:42%}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.pair .box{background:var(--paper);border-radius:var(--r);padding:26px}
.pair .box img{max-height:220px;width:auto;margin:0 auto 14px;object-fit:contain}
.pair .box h3{font-size:1.05rem;margin-bottom:10px}
.pair .box ul{list-style:none;font-size:.88rem;color:#555;display:grid;gap:4px}
@media(max-width:900px){.pair{grid-template-columns:1fr}.mosaic.three{grid-template-columns:1fr 1fr}.split[style*="rtl"]{direction:ltr!important}}

/* ===== contraste ===== */
.eyebrow{color:#c25a00}
.dark .eyebrow,.hero .eyebrow{color:var(--orange)}
.adv-item h3,.doc h3,.cfg h3,.acc .item span,.line h3{color:var(--ink)}
.acc .item b{color:#c25a00}
.contact{background:linear-gradient(135deg,#d85f00,#f57a0a)}
.stat.pro{background:#d85f00}
.btn-primary{background:#e56a00}
.btn-primary:hover{background:#cc5d00}
.nav-links .btn-primary{background:#e56a00}

/* ===== ficha técnica (desde JSON) ===== */
.ficha{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.ficha-card{background:#fff;border-radius:var(--r);padding:30px;box-shadow:0 12px 34px -18px rgba(0,0,0,.25);min-width:0}
.ficha-card h3{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#c25a00;margin:26px 0 12px}
.ficha-card h3:first-child{margin-top:0}
.ficha-card>p{color:#444;font-size:.95rem}
.ficha-card .spec-table td{padding:10px 12px;vertical-align:top;font-size:.9rem}
.ficha-card .spec-table td:first-child{color:#555;font-weight:600;width:44%}
.ficha-card .list-check{font-size:.92rem;color:#333}
.notes{list-style:none;display:grid;gap:10px;font-size:.88rem;color:#444}
.notes li{padding:12px 14px;background:var(--paper);border-radius:10px}
.codes-list{margin-top:22px;background:#fff;border-radius:var(--r);box-shadow:0 12px 34px -18px rgba(0,0,0,.25);overflow:hidden}
.codes-list summary{cursor:pointer;list-style:none;padding:20px 26px;font-weight:700;display:flex;align-items:center;gap:12px}
.codes-list summary::-webkit-details-marker{display:none}
.codes-list summary:before{content:"+";width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.codes-list[open] summary:before{content:"−"}
.codes-list summary span{font-size:.75rem;background:var(--paper);padding:3px 10px;border-radius:999px;color:#555}
.table-wrap{overflow-x:auto;padding:0 26px 22px}
.codes-table{min-width:520px}
.codes-table th{text-align:left;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:#777;padding:10px 12px;border-bottom:2px solid #e6e6e6}
.codes-table td{font-size:.86rem;padding:9px 12px}
.codes-table td:first-child{font-weight:700;white-space:nowrap;width:1%}
@media(max-width:900px){.ficha{grid-template-columns:1fr}.ficha-card{padding:22px}.table-wrap{padding:0 16px 18px}.codes-list summary{padding:18px}}

/* ===== sin recortes ===== */
/* Imagen dentro de un cuadro de tamaño fijo: se ajusta sin salirse (posicionada, no depende de la altura de la fila) */
.cfg .ph{position:relative;overflow:hidden}
.cfg .ph img{position:absolute;inset:14px;width:calc(100% - 28px)!important;height:calc(100% - 28px)!important;max-height:none;object-fit:contain}
/* Tarjetas de aplicaciones: formato apaisado, acorde a las fotos */
.apps .app{aspect-ratio:4/3}
.apps.five .app{aspect-ratio:3/4}
.apps.four .app{aspect-ratio:4/3}
/* Galerías de 3 fotos: altura fija y ancho según la proporción de cada foto */
.mosaic.three{display:flex;gap:14px}
.mosaic.three img,.mosaic.three img:nth-child(1){height:340px;width:auto;min-width:0;flex:1 1 auto;aspect-ratio:auto;object-fit:cover;grid-column:auto}
@media(max-width:900px){
  .apps .app,.apps.four .app{aspect-ratio:4/3}
  .mosaic.three{flex-wrap:wrap}
  .mosaic.three img,.mosaic.three img:nth-child(1){height:200px;flex:1 1 40%}
}
/* Galerías: en escritorio el JS reparte el ancho según la proporción de cada foto (sin recorte) */
.mosaic.three.fit img{height:auto!important}
/* Galerías de más de 3 fotos: grilla de 3 columnas */
.mosaic.three:has(img:nth-child(4)){display:grid;grid-template-columns:repeat(3,1fr)}
.mosaic.three:has(img:nth-child(4)) img{height:auto!important;width:100%;aspect-ratio:1;flex:none!important}
@media(max-width:900px){
  .mosaic.three{display:grid;grid-template-columns:1fr}
  .mosaic.three img,.mosaic.three img:nth-child(1){height:auto;width:100%;aspect-ratio:auto}
  .mosaic.three:has(img:nth-child(4)){grid-template-columns:1fr 1fr}
}

/* ===== celular: grillas con columnas fijas pasan a una columna ===== */
@media(max-width:900px){
  .cfgs[style],.pair[style],.adv[style],.docs[style]{grid-template-columns:1fr!important}
  .apps.five[style]{grid-template-columns:1fr 1fr!important}
  /* tabla de códigos como lista de tarjetas */
  .codes-table{min-width:0}
  .codes-table thead{display:none}
  .codes-table,.codes-table tbody,.codes-table tr,.codes-table td{display:block;width:auto!important}
  .codes-table tr{padding:12px 0;border-bottom:1px solid #e6e6e6}
  .codes-table td{border:0;padding:2px 0}
  .codes-table td:first-child{color:#c25a00}
  .codes-table td:last-child{color:#666;font-size:.82rem}
}

/* ===== menú en pantallas medianas ===== */
@media(max-width:1300px){.nav-links{gap:18px}.nav-links a{font-size:.8rem}}
@media(max-width:1140px){.nav-links a:not(.btn){display:none}}
/* ===== celular: fotos de barandas modulares sin recorte excesivo ===== */
@media(max-width:900px){
  .sheet-img img{height:220px!important}
  .grp .cover{min-height:0;aspect-ratio:4/3}
}
@media(max-width:900px){.sheet-img img{height:auto!important;aspect-ratio:1}}
.hero .wrap{width:100%}
.ficha.solo{grid-template-columns:1fr;max-width:640px}

/* ===== pie: otros sistemas ===== */
footer .otros{display:grid;grid-template-columns:auto repeat(3,1fr);gap:28px;align-items:start;padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--line)}
footer .otros p{color:#fff;font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;max-width:140px}
footer .otros div{display:flex;flex-direction:column;gap:6px}
footer .otros b{color:var(--orange);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}
footer .otros a{margin:0;font-size:.85rem}
@media(max-width:900px){footer .otros{grid-template-columns:1fr 1fr;text-align:left}footer .otros p{grid-column:1/-1;max-width:none}footer .otros a{margin:0}}

/* ===== página índice ===== */
.hero-indice{min-height:78svh}
.sys-grid{display:grid;grid-template-columns:repeat(var(--cols,4),1fr);gap:20px}
.sys-grid[style*="--cols:5"] .sys-t{padding:16px 16px 18px}.sys-grid[style*="--cols:5"] .sys-t h3{font-size:1.05rem}
.sys{display:flex;flex-direction:column;background:#fff;border-radius:var(--r);overflow:hidden;text-decoration:none;box-shadow:0 12px 34px -18px rgba(0,0,0,.28);transition:transform .25s,box-shadow .25s}
.sys:hover{transform:translateY(-4px);box-shadow:0 20px 40px -18px rgba(0,0,0,.35)}
.sys-img{aspect-ratio:4/3;overflow:hidden;background:#eee}
.sys-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.sys:hover .sys-img img{transform:scale(1.05)}
.sys-t{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.sys-t h3{font-size:1.15rem;margin-bottom:6px;color:var(--ink)}
.sys-t p{font-size:.86rem;color:#555;flex:1;margin-bottom:14px}
.sys-t span{font-size:.85rem;font-weight:700;color:#c25a00}
footer .otros p .todos{display:block;margin-top:10px;color:var(--orange);text-transform:none;letter-spacing:0;font-size:.85rem}
@media(max-width:1100px){.sys-grid,.sys-grid[style]{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.sys-grid,.sys-grid[style]{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.sys-grid,.sys-grid[style]{grid-template-columns:1fr}}

/* Botón "Portal de clientes" (menú del índice) */
.nav-links .btn-portal{gap:0;padding:9px 18px;font-size:.82rem;border-width:1.5px;color:#fff;opacity:1}
.nav-links .btn-portal:hover{color:#fff;border-color:var(--orange)}
@media(max-width:560px){.nav-links{gap:8px}.nav-links .btn-portal,.nav-links .btn-primary{padding:8px 12px;font-size:.74rem}.nav img{height:22px;width:auto}}
.nav-links .btn{white-space:nowrap}
@media(max-width:560px){.hide-sm{display:none}}
@media(max-width:360px){.nav .wrap{padding:0 14px}.nav-links{gap:6px}.nav-links .btn-portal,.nav-links .btn-primary{padding:7px 10px;font-size:.7rem}.nav img{height:19px}}
/* formulario: que los campos nunca ensanchen la página (opciones largas del desplegable) */
.contact .grid>*{min-width:0}
form input,form select{width:100%;min-width:0;max-width:100%}
@media(max-width:360px){form{padding:22px 18px}}