:root{--ink:#0e1116;--panel:#1c2128;--line:#39414c;--muted:#aeb5bf;--light:#eef1f5;--white:#fff;--yellow:#f4d400;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--white);font:16px/1.65 Montserrat,Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.skip{position:fixed;top:-80px;left:12px;z-index:1000;background:var(--yellow);color:var(--ink);padding:10px 14px;font-weight:800}.skip:focus{top:10px}.site-header{position:sticky;top:0;z-index:100;background:rgba(14,17,22,.98);border-bottom:1px solid #2d343e}.header-row{min-height:76px;display:flex;align-items:center;gap:28px}.brand{font-size:2rem;font-weight:900;letter-spacing:-.07em;line-height:1}.brand span{color:var(--yellow)}.nav{margin-left:auto;display:flex;align-items:center;gap:22px}.nav a,.service-toggle{border:0;background:none;color:#fff;font-size:.86rem;font-weight:700;cursor:pointer;padding:8px 0}.nav a:hover,.service-toggle:hover,.nav a:focus-visible,.service-toggle:focus-visible{color:var(--yellow)}.service-toggle[aria-expanded=true]{color:var(--yellow)}.header-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;background:var(--yellow);color:var(--ink);font-size:.78rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase;border:2px solid var(--yellow);transition:.2s}.header-cta{border-radius:12px}.button:hover,.header-cta:hover{transform:translateY(-2px)}.button.outline{background:transparent;color:#fff;border-color:#fff}.mobile-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid #49515c;background:none;color:#fff;font-size:1.35rem}.mobile-nav{display:none}.mega{position:absolute;left:0;right:0;top:100%;background:#fff;color:var(--ink);box-shadow:0 20px 35px #0005;border-top:4px solid var(--yellow);display:none}.mega.open{display:block}.mega-inner{display:grid;grid-template-columns:230px 1fr;min-height:380px}.mega-categories{padding:22px 0;border-right:1px solid #d8dde4;background:#f4f6f8}.mega-category{display:flex;align-items:center;justify-content:space-between;padding:15px 24px;font-weight:800;border-bottom:1px solid #d8dde4}.mega-category:first-child{background:#fff;border-left:4px solid var(--yellow)}.mega-content{padding:27px 34px 32px}.mega-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.mega-heading strong{font-size:1.35rem}.mega-view{color:#6e7681;font-size:.76rem;font-weight:800;text-transform:uppercase}.auto-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.auto-link{min-height:118px;padding:17px 14px;background:#f2f4f7;border:1px solid #d9dee5;border-radius:12px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}.auto-link:hover,.auto-link:focus-visible{background:var(--ink);color:#fff;border-color:var(--yellow);transform:translateY(-2px)}.auto-num{color:#a1a8b2;font-size:.7rem;font-weight:800}.auto-link strong{font-size:.86rem;line-height:1.25}.hero{min-height:570px;display:flex;align-items:center;position:relative;background:linear-gradient(90deg,rgba(14,17,22,.98),rgba(14,17,22,.78) 56%,rgba(14,17,22,.28)),url('/assets/automotriz-xlum.png') center/cover}.hero.category-residencial{background-image:linear-gradient(90deg,rgba(14,17,22,.98),rgba(14,17,22,.74) 56%,rgba(14,17,22,.25)),url('/assets/residencial-v2.png')}.hero.category-comercial{background-image:linear-gradient(90deg,rgba(14,17,22,.98),rgba(14,17,22,.74) 56%,rgba(14,17,22,.25)),url('/assets/comercial-xlum.png')}.hero.category-maritimo{background-image:linear-gradient(90deg,rgba(14,17,22,.98),rgba(14,17,22,.74) 56%,rgba(14,17,22,.25)),url('/assets/maritimo.png')}.hero-copy{padding:90px 0;max-width:760px}.eyebrow{margin:0 0 12px;color:var(--yellow);font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-size:clamp(2.7rem,7vw,4.6rem);line-height:.98;letter-spacing:-.045em;margin:0 0 22px;text-transform:uppercase}.hero p:not(.eyebrow){font-size:1.08rem;color:#d2d7de;max-width:62ch}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.section{padding:80px 0}.light{background:var(--light);color:var(--ink)}.section-head{max-width:780px;margin-bottom:34px}.section h2{font-size:clamp(2rem,4vw,3rem);line-height:1.05;letter-spacing:-.035em;margin:0 0 15px}.section-head p{color:#68717d}.service-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.service-card{display:flex;flex-direction:column;min-height:220px;padding:24px;background:#fff;border:1px solid #d7dce3;border-radius:16px;transition:.2s}.service-card:hover{transform:translateY(-4px);border-color:var(--yellow);box-shadow:0 12px 28px #0002}.service-card .number{font-size:.7rem;font-weight:900;color:#8a929d}.service-card h3{font-size:1.05rem;line-height:1.2;margin:30px 0 10px}.service-card p{font-size:.82rem;color:#6e7681;margin:0 0 18px}.service-card .link{margin-top:auto;color:#887800;font-size:.74rem;font-weight:900;text-transform:uppercase}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.feature h3{margin:0 0 10px}.feature p{margin:0;color:var(--muted);font-size:.9rem}.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;list-style:none;padding:0;margin:0}.check-grid li{padding:18px 20px 18px 46px;background:#fff;border:1px solid #d8dde4;position:relative;font-weight:650}.check-grid li:before{content:'✓';position:absolute;left:18px;color:#9a8700;font-weight:900}.process{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{padding:26px;border-top:3px solid var(--yellow);background:var(--panel)}.step span{color:var(--yellow);font-weight:900}.step h3{margin:10px 0 8px}.step p{color:var(--muted);font-size:.9rem}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:20px 40px 20px 0;font-weight:750}.faq p{color:var(--muted);margin:0 0 20px}.legal{margin-top:30px;padding:22px;border:1px solid var(--line);border-left:4px solid var(--yellow);color:#c1c7cf;font-size:.82rem}.cta{background:var(--yellow);color:var(--ink);text-align:center}.cta .eyebrow{color:#5d5300}.cta p{max-width:650px;margin:0 auto}.cta .button{margin-top:24px;background:var(--ink);color:#fff;border-color:var(--ink)}.footer{padding:48px 0;background:#090b0e;color:#aeb5bf}.footer-row{display:flex;justify-content:space-between;align-items:flex-end;gap:25px}.footer p{font-size:.78rem}.footer-links{display:flex;gap:18px;font-size:.8rem}.whatsapp{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:var(--yellow);color:var(--ink);font-weight:900;box-shadow:0 10px 25px #0007}.back{display:inline-flex;margin-bottom:20px;color:#c8cdd4;font-size:.8rem;font-weight:750}.back:hover{color:var(--yellow)}
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.knowledge-card{padding:28px;background:#fff;border:1px solid #d8dde4;border-radius:16px;border-top:4px solid var(--yellow)}.knowledge-card .tag{display:inline-block;margin-bottom:18px;color:#887800;font-size:.7rem;font-weight:900;letter-spacing:.07em;text-transform:uppercase}.knowledge-card h3{margin:0 0 10px;font-size:1.12rem}.knowledge-card p{margin:0;color:#68717d;font-size:.9rem}.shade-intro{padding:60px 0 34px;background:var(--yellow);color:var(--ink);text-align:center}.shade-intro h2{margin:0 0 12px;font-size:clamp(2rem,5vw,3.4rem);line-height:1}.shade-intro p{max-width:850px;margin:auto}.car-simulator{padding:42px 0 72px;background:#f7f7f5;color:var(--ink)}.car-stage{position:relative;overflow:hidden;border-radius:18px;background:#fff;box-shadow:0 18px 45px #0002}.car-stage>img{display:block;width:100%;height:auto}.window-tint{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.shade-panel{display:grid;grid-template-columns:140px 1fr 140px;gap:18px;align-items:center;margin-top:28px}.shade-panel input{width:100%;accent-color:var(--yellow);direction:rtl}.shade-end{font-size:.76rem;font-weight:850;text-transform:uppercase}.shade-end:last-child{text-align:right}.shade-readout{width:max-content;margin:18px auto 0;padding:10px 16px;background:var(--ink);color:#fff;border-radius:999px;font-size:.82rem;font-weight:850}.shade-readout strong{color:var(--yellow)}.tint-faq{max-width:900px}.tint-faq details{border-bottom:1px solid #cbd1d8}.tint-faq summary{cursor:pointer;list-style:none;padding:20px 44px 20px 0;font-weight:800;position:relative}.tint-faq summary::-webkit-details-marker{display:none}.tint-faq summary:after{content:'+';position:absolute;right:8px;color:#8b7a00;font-size:1.45rem}.tint-faq details[open] summary:after{content:'−'}.tint-faq details p{margin:0 0 20px;color:#68717d;font-size:.92rem}
@media(max-width:1050px){.nav{gap:12px}.nav a,.service-toggle{font-size:.75rem}.auto-grid,.service-cards{grid-template-columns:repeat(3,1fr)}.mega-inner{grid-template-columns:200px 1fr}}
@media(max-width:760px){.wrap{width:min(var(--max),calc(100% - 28px))}.nav,.header-cta{display:none}.mobile-toggle{display:block}.mobile-nav.open{display:block;padding:10px 14px 18px;border-top:1px solid #303741}.mobile-nav a,.mobile-services{display:block;width:100%;padding:12px 4px;border:0;border-bottom:1px solid #303741;background:none;color:#fff;text-align:left;font-weight:700}.mobile-sub{display:none;padding:5px 0 8px 14px}.mobile-sub.open{display:block}.mobile-sub a{font-size:.82rem;color:#ccd1d8}.mega{display:none!important}.hero{min-height:530px;background-position:62% center}.hero-copy{padding:72px 0}.section{padding:58px 0}.service-cards{grid-template-columns:repeat(2,1fr)}.feature-grid,.process,.knowledge-grid{grid-template-columns:1fr}.shade-panel{grid-template-columns:1fr}.shade-end{text-align:center}.shade-end:last-child{text-align:center}.footer-row{align-items:flex-start;flex-direction:column}}
@media(max-width:480px){.hero h1{font-size:2.65rem}.buttons{flex-direction:column}.button{width:100%}.service-cards,.check-grid{grid-template-columns:1fr}.service-card{min-height:180px}.footer-links{flex-wrap:wrap}}
.auto-link{min-height:154px;padding:0;overflow:hidden;justify-content:flex-start}.auto-thumb{display:block;height:82px;overflow:hidden;background:#171b21}.auto-thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}.auto-copy{display:flex;flex:1;flex-direction:column;justify-content:center;gap:4px;padding:10px 13px 12px}.auto-link:hover .auto-thumb img,.auto-link:focus-visible .auto-thumb img{transform:scale(1.06)}
.auto-link{min-height:178px}.auto-thumb{height:122px}.auto-copy{align-items:center;text-align:center;padding:10px 12px 13px}.auto-copy .auto-num{display:none}
.automotive-service-cards{align-items:stretch}
.automotive-service-card{padding:0;overflow:hidden;min-height:390px}
.service-card-image{display:block;height:170px;overflow:hidden;background:#161a20}
.service-card-image img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.automotive-service-card:hover .service-card-image img,.automotive-service-card:focus-visible .service-card-image img{transform:scale(1.055)}
.service-card-content{display:flex;flex:1;flex-direction:column;padding:20px 22px 22px}
.automotive-service-card h3{margin:0 0 10px;text-align:center}
.automotive-service-card p{font-size:.8rem}
.automotive-service-card .link{text-align:center}
@media(max-width:760px){.automotive-service-card{min-height:350px}.service-card-image{height:145px}.service-card-content{padding:18px}.automotive-service-card h3{font-size:1rem}}
@media(max-width:480px){.automotive-service-card{min-height:0}.service-card-image{height:205px}.service-card-content{min-height:210px}}

/* Automotive cards: XLUM dark treatment with permanent high contrast. */
.auto-link{
  background:var(--ink);
  color:var(--white);
  border:2px solid var(--yellow);
}
.auto-copy{background:var(--ink);color:var(--white)}
.auto-link:hover,.auto-link:focus-visible{
  background:#090b0e;
  color:var(--white);
  border-color:var(--yellow);
  box-shadow:0 10px 24px rgba(0,0,0,.35);
}
.automotive-service-card{
  background:var(--ink);
  color:var(--white);
  border:2px solid var(--yellow);
}
.automotive-service-card .service-card-content{background:var(--ink)}
.automotive-service-card p{color:#cbd1d8}
.automotive-service-card .link{color:var(--yellow)}

/* Larger automotive gallery: three service cards per desktop row. */
.automotive-service-cards{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.automotive-service-card{min-height:365px}
.automotive-service-card .service-card-image{height:245px}
.automotive-service-card .service-card-content{padding:22px 26px 24px;min-height:118px}
.automotive-service-card h3{font-size:1.12rem}
.automotive-service-card p{font-size:.9rem}

@media(max-width:760px){
  .automotive-service-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .automotive-service-card{min-height:350px}
  .automotive-service-card .service-card-image{height:190px}
}

@media(max-width:480px){
  .automotive-service-cards{grid-template-columns:1fr}
  .automotive-service-card{min-height:0}
  .automotive-service-card .service-card-image{height:240px}
}

/* Titulares de los cuatro héroes de polarizado: dos líneas y una escala uniforme. */
.service-hero--polarizado .hero-copy{max-width:none}
.service-hero--polarizado h1{font-size:clamp(2rem,6.5vw,4.6rem);line-height:.95;letter-spacing:-.045em;text-transform:none;margin:0;color:#F7F8FA;overflow-wrap:break-word}
.service-hero--polarizado h1 span{display:block;color:#FFD600;font:inherit;letter-spacing:inherit}
@media(max-width:480px){.service-hero--polarizado h1{font-size:clamp(1.8rem,8vw,2.65rem)}}