:root{--ink:#0f1220;--ink2:#1a1f33;--blue:#305dff;--blue2:#6c8cff;--soft:#f3f5fa;--line:#e3e6ee;--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:auto}
body{margin:0;font-family:Montserrat,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
h1,h2,h3{line-height:1.12;margin:0 0 .55em;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5.6vw,3.9rem);font-weight:700}
h2{font-size:clamp(1.65rem,3.6vw,2.6rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--blue2);margin-bottom:1rem}
.eyebrow.dark{color:var(--blue)}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font:inherit;font-weight:600;padding:.9em 1.7em;border-radius:999px;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;box-shadow:0 8px 24px -10px rgba(48,93,255,.7)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(48,93,255,.8)}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.55);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.12)}

/* Cabecera fija */
header.top{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s,padding .3s}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:16px;padding-bottom:16px;transition:padding .3s}
header.top .logo img{width:78px;height:auto;transition:width .3s}
header.top nav{display:flex;align-items:center;gap:26px}
header.top nav a{color:#fff;text-decoration:none;font-weight:500;font-size:.98rem;opacity:.92}
header.top nav a:hover{opacity:1}
header.top .tel{background:var(--blue);padding:.55em 1.1em;border-radius:999px;font-weight:600;opacity:1}
header.top.scrolled,body.interior header.top{background:rgba(15,18,32,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 6px 30px -12px rgba(0,0,0,.5)}
header.top.scrolled .wrap{padding-top:8px;padding-bottom:8px}
header.top.scrolled .logo img{width:54px}
body.interior{padding-top:100px;background:var(--soft)}

.menu-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;padding:0 11px;background:transparent;border:0;cursor:pointer}
.menu-btn span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
header.top.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
header.top.open .menu-btn span:nth-child(2){opacity:0}
header.top.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Parallax */
.px{position:relative;overflow:hidden;isolation:isolate}
.px-bg{position:absolute;inset:-22% 0;background-size:cover;background-position:center;will-change:transform;z-index:-2}
.px::before{content:"";position:absolute;inset:0;z-index:-1}

.hero{min-height:100vh;display:flex;flex-direction:column;color:#fff;background:#0b0d14}
.hero .px-bg{background-image:url(img/hero.jpg)}
.hero::before{background:linear-gradient(100deg,rgba(9,11,20,.92) 0%,rgba(9,11,20,.6) 55%,rgba(9,11,20,.25) 100%)}
.hero>.wrap{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-top:130px;padding-bottom:40px;width:100%}
.hero h1{max-width:820px}
.hero .lead{color:#fff;max-width:600px;font-size:1.18rem;opacity:.93}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}
.trust{position:relative;background:linear-gradient(0deg,rgba(9,11,20,.92),rgba(9,11,20,.35));padding:34px 0 28px;margin-top:20px}
.trust .wrap{display:block}
.trust ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust li{display:flex;gap:12px;align-items:center;font-size:.92rem;font-weight:500}
.trust li span{flex:none;width:34px;height:34px;border-radius:50%;background:rgba(108,140,255,.25);color:#fff;display:grid;place-items:center;font-size:.95rem}

section{padding:96px 0}
.soft{background:var(--soft)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .media{position:relative}
.split .media img{border-radius:var(--radius);width:100%;height:auto;box-shadow:0 30px 60px -28px rgba(15,18,32,.55)}
.split .media::after{content:"";position:absolute;right:-16px;bottom:-16px;width:62%;height:62%;border:2px solid var(--blue);border-radius:var(--radius);z-index:-1;opacity:.55}
.lead{max-width:680px;font-size:1.08rem;color:#3b4157}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;position:relative}
.card:hover{transform:translateY(-8px);box-shadow:0 28px 50px -26px rgba(15,18,32,.45)}
.card .ph{overflow:hidden;aspect-ratio:4/3}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.card:hover img{transform:scale(1.07)}
.card div.b{padding:22px 24px 28px}
.card .n{position:absolute;top:14px;left:16px;z-index:2;background:rgba(15,18,32,.78);color:#fff;font-weight:600;font-size:.82rem;padding:.3em .8em;border-radius:999px;letter-spacing:.08em}
.card p{margin:0;color:#3b4157}
.card.plain{padding:0;border-top:3px solid var(--blue)}
.card.plain .b{padding:28px 26px 32px}

.band{color:#fff;padding:130px 0;text-align:center}
.band .px-bg{background-image:url(img/soluciones.jpg)}
.band::before{background:linear-gradient(180deg,rgba(9,11,20,.78),rgba(9,11,20,.7))}
.band h2{max-width:860px;margin:0 auto .6em}
.band p{max-width:640px;margin:0 auto;opacity:.92;font-size:1.1rem}

.contact-band{background:radial-gradient(1200px 500px at 85% -10%,rgba(48,93,255,.35),transparent 60%),var(--ink);color:#fff;text-align:center}
.contact-band a{text-decoration:none}
.contact-band .big{font-size:clamp(1.4rem,3.4vw,2.2rem);font-weight:700;margin:.15em 0}
.contact-band .big a:hover{color:var(--blue2)}
.contact-band p.sub{opacity:.85;max-width:560px;margin:0 auto 1.4rem}
.contact-band .btn{margin-top:1.6rem}

/* Formulario */
form{display:grid;gap:16px}
label{font-weight:600;font-size:.95rem;display:grid;gap:6px}
input,textarea{font:inherit;padding:.8em 1em;border:1.5px solid #c9cedb;border-radius:10px;background:#fff;color:var(--ink);width:100%;transition:border-color .2s,box-shadow .2s}
textarea{min-height:150px;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(48,93,255,.15)}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem}
.check input{width:auto;margin-top:.3em}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.msg{padding:14px 18px;border-radius:10px;margin-bottom:18px}
.msg.ok{background:#e7f7ec;color:#14532d}
.msg.err{background:#fdecec;color:#7f1d1d}
.big{font-size:1.3rem;font-weight:600;margin:.2em 0}

footer{background:#080a12;color:#b8bdcc;font-size:.88rem;padding:28px 0}
footer .wrap{display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap}
footer a{color:#fff}

/* Llamar (móvil) */
.call-fab{display:none}

/* Revelado al hacer scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}

@media(max-width:900px){
  .split,.trust ul{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr}
  section{padding:68px 0}
  .band{padding:90px 0}
  header.top .wrap{position:relative}
  .menu-btn{display:flex}
  header.top nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;max-height:calc(100vh - 118px);max-height:calc(100dvh - 118px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:rgba(15,18,32,.98);padding:8px 22px 18px;box-shadow:0 20px 30px -20px rgba(0,0,0,.6)}
  header.top.open nav{display:flex}
  header.top nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:1.05rem}
  header.top nav a.tel{display:none}
  header.top.open{background:rgba(15,18,32,.98)}
  .trust ul{gap:12px}.trust li{font-size:.82rem}
  .split .media::after{display:none}
  .call-fab{display:grid;place-items:center;position:fixed;right:16px;bottom:16px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--blue);color:#fff;text-decoration:none;font-size:1.5rem;box-shadow:0 10px 26px -6px rgba(48,93,255,.8)}
}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.px-bg{transform:none!important}html{scroll-behavior:auto}}

/* ===== Estructura multipágina ===== */
body.interior{padding-top:0;background:#fff}
body.interior section{padding-top:72px}
body.interior section.page-hero{padding-top:0}

/* Menú con desplegable de servicios */
header.top nav .dd{position:relative}
header.top nav .dd-t i{font-style:normal;font-size:.75em;opacity:.8}
header.top .mega{display:none;position:absolute;top:100%;left:50%;transform:translateX(-30%);width:min(900px,92vw);background:rgba(15,18,32,.98);border-radius:0 0 var(--radius) var(--radius);padding:26px 28px 18px;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);grid-template-columns:repeat(3,1fr);gap:8px 28px}
header.top .dd:hover .mega,header.top .dd:focus-within .mega{display:grid}
header.top .mega .col{display:flex;flex-direction:column;gap:2px}
header.top .mega strong,header.top .mega .gt{color:var(--blue2);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;opacity:1;font-weight:600}
header.top .mega .gt:hover{color:#fff}
header.top .mega a{font-size:.92rem;padding:5px 0;opacity:.88}
header.top .mega a:hover{opacity:1;color:var(--blue2)}
header.top .mega .todos{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);margin-top:8px;padding-top:12px;font-weight:600;opacity:1}

/* Cabecera de páginas interiores */
.page-hero{color:#fff;background:#0b0d14;min-height:340px;display:flex;align-items:flex-end}
.page-hero::before{background:linear-gradient(180deg,rgba(9,11,20,.82),rgba(9,11,20,.7))}
.page-hero .wrap{width:100%;padding-top:150px;padding-bottom:54px}
.page-hero h1{font-size:clamp(1.9rem,4.4vw,3.1rem);max-width:900px;margin-bottom:.3em}
.page-hero .lead{color:#fff;opacity:.9;max-width:720px}
.crumbs{font-size:.85rem;opacity:.8;margin-bottom:14px}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}

/* Servicios */
.grupo{margin:54px 0 18px;font-size:1.3rem;color:var(--blue)}
h2.grupo{font-size:1.5rem}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:12px;padding:22px 22px 20px;text-decoration:none;transition:transform .25s,box-shadow .25s}
.svc:hover{transform:translateY(-5px);box-shadow:0 22px 40px -24px rgba(15,18,32,.45)}
.svc strong{font-size:1.08rem}
.svc span{color:#3b4157;font-size:.95rem;flex:1}
.svc em{font-style:normal;color:var(--blue);font-weight:600;font-size:.9rem}

/* Cómo trabajamos */
.pasos{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pasos li{position:relative;padding:26px 22px;border-radius:var(--radius);background:var(--soft)}
.pasos b{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;margin-bottom:14px}
.pasos h3{font-size:1.08rem}.pasos p{margin:0;color:#3b4157;font-size:.95rem}

/* Zonas */
.zonas{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.zonas li{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:.4em 1em;font-size:.92rem}

/* Detalle de servicio / proyecto */
.detalle{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start}
.detalle article h2{font-size:1.5rem;margin:1.8em 0 .7em}
.detalle article .lead{margin-top:0}
.caja{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.caja h3{font-size:1.1rem}
.caja .tel-l{margin:.8em 0 0;font-weight:600}
.caja .rel{display:block;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--blue);font-weight:500}
.caja .rel:last-child{border:0}
.caja dl{margin:0}.caja dt{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#6a7088;margin-top:12px}.caja dd{margin:2px 0 0}
aside{position:sticky;top:96px}
ul.check{list-style:none;margin:0;padding:0}
ul.check li{position:relative;padding:8px 0 8px 32px;border-bottom:1px solid var(--line)}
ul.check li::before{content:"✔";position:absolute;left:0;top:8px;color:var(--blue);font-weight:700}
.pasos-v{list-style:none;margin:0;padding:0}
.pasos-v li{display:flex;gap:16px;padding:14px 0}
.pasos-v b{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff}
.pasos-v h3{margin:0 0 .2em;font-size:1.05rem}.pasos-v p{margin:0;color:#3b4157}
.faq{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:.6em 0 0;color:#3b4157}

/* Proyectos */
.proy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.proy{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:#0b0d14;text-decoration:none;color:#fff}
.proy img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.proy:hover img{transform:scale(1.08)}
.proy .info{position:absolute;inset:auto 0 0 0;padding:44px 18px 16px;background:linear-gradient(0deg,rgba(9,11,20,.9),rgba(9,11,20,0));display:flex;flex-direction:column}
.proy small{opacity:.85}
.proy[hidden]{display:none}
.filtros{display:flex;flex-wrap:wrap;gap:10px}
.filtros button{font:inherit;font-size:.9rem;padding:.5em 1.1em;border-radius:999px;border:1.5px solid var(--line);background:#fff;cursor:pointer}
.filtros button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.vacio{text-align:center;max-width:620px;margin:0 auto;padding:30px 0}
.ghost-dark{background:transparent;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.solo{border-radius:var(--radius);width:100%}
.texto p{margin:1em 0}
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.galeria a{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:10px}
.galeria img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.galeria a:hover img{transform:scale(1.06)}

/* Antes / después */
.ba{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;user-select:none;background:#0b0d14;--p:50%}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .ba-antes{clip-path:inset(0 calc(100% - var(--p)) 0 0)}
.ba-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba-line{position:absolute;top:0;bottom:0;left:var(--p);width:3px;background:#fff;transform:translateX(-50%);box-shadow:0 0 12px rgba(0,0,0,.5);pointer-events:none}
.ba-line::after{content:"↔";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:#fff;color:var(--ink);display:grid;place-items:center;font-weight:700}
.ba-tag{position:absolute;top:14px;padding:.25em .8em;border-radius:999px;background:rgba(15,18,32,.75);color:#fff;font-size:.78rem;font-weight:600;pointer-events:none}
.ba-tag.a{left:14px}.ba-tag.d{right:14px}

/* Visor de imágenes */
.lb{position:fixed;inset:0;z-index:100;background:rgba(5,6,12,.92);display:grid;place-items:center;padding:24px}
.lb[hidden]{display:none}
.lb img{max-width:100%;max-height:100%;border-radius:8px}
.lb-x{position:absolute;top:14px;right:18px;font-size:2.2rem;line-height:1;color:#fff;background:none;border:0;cursor:pointer}

/* Contacto */
select{font:inherit;padding:.8em 1em;border:1.5px solid #c9cedb;border-radius:10px;background:#fff;color:var(--ink);width:100%}
select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(48,93,255,.15)}
.check-l{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.88rem}
.check-l input{width:auto;margin-top:.3em}
.form-wrap{align-items:start}
.tarjeta-form{background:#fff;padding:34px;border-radius:var(--radius);box-shadow:0 20px 50px -30px rgba(15,18,32,.35);border:1px solid var(--line)}
.texto-legal{max-width:800px}
.texto-legal h2{font-size:1.3rem;margin-top:1.6em}

/* Pie */
.foot{background:#080a12;color:#b8bdcc;font-size:.92rem;padding:56px 0 22px}
.foot .grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:34px}
.foot a{color:#d5d9e6;text-decoration:none;display:block;padding:3px 0}
.foot a:hover{color:#fff;text-decoration:underline}
.foot strong{display:block;color:#fff;margin-bottom:10px;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase}
.foot p a{display:inline}
.foot .legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}
.foot .legal a{display:inline;color:#fff}

@media(max-width:1000px){.svc-grid,.proy-grid,.galeria{grid-template-columns:repeat(2,1fr)}.pasos{grid-template-columns:repeat(2,1fr)}.foot .grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){
  .detalle{grid-template-columns:1fr;gap:30px}
  aside{position:static}
  header.top .dd .mega{display:none!important;position:static;transform:none;width:auto;background:transparent;box-shadow:none;padding:4px 0 8px 14px;grid-template-columns:1fr}
  header.top .dd.open .mega{display:grid!important}
  header.top .mega a{border:0;padding:8px 0;font-size:.95rem}
  header.top .mega strong,header.top .mega .gt{margin-top:8px}
  header.top .mega .todos{border-top:0;padding-top:4px}
  .page-hero .wrap{padding-top:120px;padding-bottom:36px}
  .tarjeta-form{padding:22px}
}
@media(max-width:620px){.svc-grid,.proy-grid,.pasos,.foot .grid{grid-template-columns:1fr}.galeria{grid-template-columns:repeat(2,1fr)}}

/* Formulario de empleo: nube de oficios */
.oficios{border:0;padding:0;margin:0 0 4px}
.oficios legend{font-weight:600;padding:0;margin-bottom:10px}
.nube{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;font-weight:400}
.chip input{position:absolute;opacity:0;width:1px;height:1px}
.chip span{display:inline-block;padding:.5em 1em;border:1px solid var(--line);border-radius:999px;background:#fff;cursor:pointer;font-size:.9rem;line-height:1.25;transition:background .15s,border-color .15s,color .15s}
.chip input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff}
.chip input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}
.ayuda{font-weight:400;font-size:.82rem;opacity:.7}