/* A&C Ingeniería · andamios certificados — VendeWEB.cl */
:root{
  --navy:#010066;
  --navy-2:#0a0a7a;
  --navy-900:#05053a;
  --tinta:#0c0c2b;
  --acero:#575756;
  --plata:#b0b4c4;
  --naranja:#ff6a13;
  --naranja-2:#ff8a3d;
  --hueso:#f5f5f8;
  --gris:#ebecf2;
  --linea:rgba(1,0,102,.12);
  --blanco:#fff;
  --f-tit:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --f-txt:"Source Sans 3",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --r:14px;
  --sombra:0 18px 40px -18px rgba(5,5,58,.35);
  --cab-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--cab-h) + 8px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-txt);font-size:17px;line-height:1.6;color:var(--tinta);background:var(--blanco);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--f-tit);font-stretch:112%;line-height:1.08;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,1.2rem + 2.6vw,3.1rem);font-weight:850}
h3{font-size:1.18rem;font-weight:750}
p{margin:0 0 1em}
[hidden]{display:none!important}
.envoltura{width:100%;max-width:1220px;margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.saltar{position:absolute;left:-999px;top:8px;background:var(--naranja);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.saltar:focus{left:8px}
:focus-visible{outline:3px solid var(--naranja);outline-offset:3px}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-family:var(--f-tit);font-stretch:105%;font-weight:750;font-size:.98rem;text-decoration:none;border-radius:999px;padding:.78em 1.35em;border:2px solid transparent;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s,color .2s;line-height:1.1}
.btn--grande{font-size:1.06rem;padding:1em 1.7em}
.btn--bloque{width:100%}
.btn--naranja{background:var(--naranja);color:#fff;box-shadow:0 10px 24px -10px rgba(255,106,19,.8)}
.btn--naranja:hover{background:#ff7d2e;transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(255,106,19,.9)}
.btn--naranja svg{transition:transform .2s}
.btn--naranja:hover svg{transform:translateX(4px)}
.btn--vidrio{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.45);backdrop-filter:blur(6px)}
.btn--vidrio:hover{background:#fff;color:var(--navy)}
.btn--azul{background:var(--navy);color:#fff}
.btn--azul:hover{background:var(--navy-2);transform:translateY(-2px)}

/* ---------- Cabecera ---------- */
.cab{position:fixed;inset:0 0 auto;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .25s,border-color .25s;padding-top:env(safe-area-inset-top,0px)}
.cab.con-sombra{box-shadow:0 8px 30px -14px rgba(5,5,58,.3);border-color:var(--linea)}
.cab__in{display:flex;align-items:center;justify-content:space-between;height:var(--cab-h);gap:20px}
.cab__logo img{height:50px;width:auto}
.cab__nav{display:flex;align-items:center;gap:clamp(12px,1.6vw,26px)}
.cab__nav a:not(.btn){font-family:var(--f-tit);font-weight:650;font-size:.95rem;text-decoration:none;color:var(--tinta);position:relative;padding:6px 0}
.cab__nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--naranja);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.cab__nav a:not(.btn):hover::after,.cab__nav a.activo::after{transform:scaleX(1)}
.cab__cta{padding:.7em 1.2em;font-size:.92rem}
.cab__burger{display:none;width:46px;height:46px;border:0;background:var(--navy);border-radius:12px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.cab__burger span{width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.cab__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.cab__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.cab__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Altímetro ---------- */
.altimetro{position:fixed;right:18px;top:50%;transform:translateY(-50%);height:46vh;z-index:60;display:flex;align-items:stretch;pointer-events:none;opacity:0;transition:opacity .4s}
.altimetro.visible{opacity:1}
.altimetro__riel{width:14px;border-left:2px solid rgba(1,0,102,.35);border-right:2px solid rgba(1,0,102,.35);display:flex;flex-direction:column;justify-content:space-between;background:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.altimetro__riel i{display:block;height:2px;background:rgba(1,0,102,.35)}
.altimetro__marca{position:absolute;right:22px;bottom:0;transform:translateY(50%);background:var(--naranja);color:#fff;font-family:var(--f-tit);font-weight:800;font-size:.8rem;padding:4px 9px;border-radius:6px;white-space:nowrap;box-shadow:0 6px 16px -6px rgba(255,106,19,.9)}
.altimetro__marca::after{content:"";position:absolute;right:-6px;top:50%;transform:translateY(-50%);border:6px solid transparent;border-right:0;border-left-color:var(--naranja)}
.altimetro.oscuro .altimetro__riel{border-color:rgba(255,255,255,.5);background:rgba(5,5,58,.35)}
.altimetro.oscuro .altimetro__riel i{background:rgba(255,255,255,.5)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(100svh,920px);display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-900);padding:calc(var(--cab-h) + 48px) 0 96px}
.hero__foto{position:absolute;inset:0}
.hero__foto img{width:100%;height:100%;object-fit:cover;object-position:70% 30%;transform:scale(1.08);animation:acercar 14s ease-out forwards}
@keyframes acercar{to{transform:scale(1)}}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(5,5,58,.96) 0%,rgba(1,0,102,.88) 38%,rgba(1,0,102,.45) 66%,rgba(1,0,102,.1) 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;z-index:1;background:linear-gradient(to top,rgba(5,5,58,.7),transparent)}
.hero__trama{position:absolute;inset:0;width:100%;height:100%;z-index:1;color:rgba(255,255,255,.07);-webkit-mask-image:linear-gradient(90deg,#000 0,#000 45%,transparent 75%);mask-image:linear-gradient(90deg,#000 0,#000 45%,transparent 75%)}
.hero__in{position:relative;z-index:2}
.hero__h1{font-size:clamp(2.4rem,1.2rem + 4.2vw,4.5rem);font-weight:900;font-stretch:118%;max-width:15ch;margin-bottom:.35em;line-height:.98}
.resalte{color:var(--naranja);position:relative;white-space:normal}
.hero__sub{font-size:clamp(1.05rem,.95rem + .45vw,1.3rem);max-width:40ch;color:rgba(255,255,255,.88);margin-bottom:1.8em}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:56px}
.hero__datos{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:0;max-width:760px;border-top:1px solid rgba(255,255,255,.22)}
.hero__datos li{flex:1 1 180px;padding:18px 22px 0 0;margin-right:22px}
.hero__datos li+li{border-left:1px solid rgba(255,255,255,.22);padding-left:22px}
.hero__datos strong{display:block;font-family:var(--f-tit);font-size:2.2rem;font-weight:900;font-stretch:115%;color:#fff;line-height:1}
.hero__datos span{font-size:.92rem;color:rgba(255,255,255,.72)}
.hero__bajar{position:absolute;z-index:2;left:50%;bottom:22px;transform:translateX(-50%);width:28px;height:46px;border:2px solid rgba(255,255,255,.6);border-radius:16px}
.hero__bajar span{position:absolute;left:50%;top:8px;width:4px;height:9px;margin-left:-2px;background:var(--naranja);border-radius:2px;animation:raton 1.8s infinite}
@keyframes raton{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(16px)}}

/* ---------- Cinta ---------- */
.cinta{background:var(--naranja);color:#fff;overflow:hidden;padding:14px 0;transform:skewY(-1.2deg);margin-top:-14px;position:relative;z-index:3;box-shadow:0 12px 30px -16px rgba(255,106,19,.9)}
.cinta__pista{display:flex;gap:28px;width:max-content;animation:cinta 34s linear infinite;font-family:var(--f-tit);font-weight:800;font-stretch:115%;font-size:1.15rem;white-space:nowrap}
.cinta__pista b{color:var(--navy);font-weight:400}
@keyframes cinta{to{transform:translateX(-50%)}}

/* ---------- Secciones ---------- */
.sec{padding:clamp(72px,9vw,120px) 0;position:relative}
.sec--claro{background:var(--blanco)}
.sec--gris{background:var(--hueso)}
.sec--oscuro{background:var(--navy-900);color:#fff}
.sec--oscuro .sec__intro{color:rgba(255,255,255,.78)}
.sec__cab{max-width:760px;margin:0 auto 52px;text-align:center}
.sec__cab--izq{text-align:left;margin-left:0}
.sec__intro{font-size:1.1rem;color:#4b4b63}
.sec__intro--izq{max-width:56ch}
.nivel{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-tit);font-weight:700;font-size:.92rem;color:var(--naranja);margin-bottom:14px}
.nivel::before{content:"";width:26px;height:10px;border:2px solid currentColor;border-left:0;border-right:0;background:linear-gradient(currentColor,currentColor) center/100% 2px no-repeat}

/* Servicios */
.servicios{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.serv{position:relative;background:var(--hueso);border:1px solid var(--linea);border-radius:var(--r);padding:30px 26px 26px;overflow:hidden;transition:transform .3s,box-shadow .3s,background .3s,color .3s}
.serv::before{content:"";position:absolute;inset:auto 0 0 0;height:4px;background:var(--naranja);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.serv:hover{transform:translateY(-6px);box-shadow:var(--sombra);background:var(--navy);color:#fff}
.serv:hover::before{transform:scaleX(1)}
.serv:hover p{color:rgba(255,255,255,.8)}
.serv:hover .serv__ico{stroke:var(--naranja)}
.serv__n{position:absolute;top:18px;right:22px;font-family:var(--f-tit);font-weight:900;font-size:2.6rem;font-stretch:120%;color:rgba(1,0,102,.08);line-height:1;transition:color .3s}
.serv:hover .serv__n{color:rgba(255,255,255,.12)}
.serv__ico{width:52px;height:52px;fill:none;stroke:var(--navy);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:18px;transition:stroke .3s}
.serv p{color:#55556e;margin:0;transition:color .3s}
.serv--ancho{grid-column:span 3;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:26px;background:linear-gradient(110deg,var(--hueso),#fff)}
.serv--ancho .serv__ico{margin:0}
.serv--ancho h3{margin-bottom:.3em}
.serv--ancho .serv__n{display:none}
.serv__link{font-family:var(--f-tit);font-weight:750;color:var(--naranja);text-decoration:none;white-space:nowrap}

/* Sectores */
#sectores{overflow:hidden}
#sectores::before{content:"";position:absolute;inset:0;background:
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/48px 48px,
  linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/48px 48px;pointer-events:none}
.sectores{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,56px);align-items:stretch;position:relative}
.sectores__lista{display:flex;flex-direction:column;gap:6px}
.sector{all:unset;cursor:pointer;display:grid;grid-template-columns:44px 1fr;column-gap:12px;padding:18px 18px;border-radius:12px;border:1px solid transparent;transition:background .25s,border-color .25s}
.sector:hover{background:rgba(255,255,255,.05)}
.sector:focus-visible{outline:3px solid var(--naranja)}
.sector__n{font-family:var(--f-tit);font-weight:800;color:rgba(255,255,255,.4);font-size:.95rem;padding-top:6px}
.sector__t{font-family:var(--f-tit);font-weight:850;font-stretch:115%;font-size:clamp(1.4rem,1rem + 1.4vw,2rem);color:rgba(255,255,255,.55);transition:color .25s}
.sector__d{grid-column:2;color:rgba(255,255,255,.78);font-size:1rem;max-height:0;overflow:hidden;opacity:0;transition:max-height .4s,opacity .3s,margin .3s}
.sector.activo{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14)}
.sector.activo .sector__t{color:#fff}
.sector.activo .sector__n{color:var(--naranja)}
.sector.activo .sector__d{max-height:140px;opacity:1;margin-top:6px}
.sectores__fotos{position:relative;border-radius:18px;overflow:hidden;min-height:440px;box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.sfoto{position:absolute;inset:0;margin:0;animation:fundir .55s ease}
.sfoto img{width:100%;height:100%;object-fit:cover}
.sfoto figcaption{position:absolute;left:18px;bottom:18px;background:rgba(5,5,58,.82);backdrop-filter:blur(6px);padding:8px 14px;border-radius:8px;font-family:var(--f-tit);font-weight:700;font-size:.92rem;border-left:3px solid var(--naranja)}
@keyframes fundir{from{opacity:0;transform:scale(1.04)}to{opacity:1;transform:none}}

/* Cifras */
.cifras{background:var(--naranja);color:#fff;position:relative;overflow:hidden}
.cifras::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 18px,transparent 18px 36px)}
.cifras__in{display:grid;grid-template-columns:repeat(3,1fr);position:relative}
.cifra{padding:48px 28px}
.cifra+.cifra{border-left:1px solid rgba(255,255,255,.35)}
.cifra strong{display:block;font-family:var(--f-tit);font-weight:900;font-stretch:120%;font-size:clamp(2rem,1.2rem + 2vw,2.9rem);line-height:1;margin-bottom:10px;color:var(--navy-900);white-space:nowrap}
.cifra p{margin:0;font-size:1.05rem;color:#fff;font-weight:600;max-width:30ch}

/* Dos columnas */
.dos-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.foto-marco{position:relative}
.foto-marco img{border-radius:18px;aspect-ratio:4/5;object-fit:cover;width:100%;box-shadow:var(--sombra)}
.foto-marco::before{content:"";position:absolute;inset:22px -22px -22px 22px;border:3px solid var(--naranja);border-radius:18px;z-index:-1}
.sello{position:absolute;left:-14px;bottom:34px;display:flex;align-items:center;gap:10px;background:var(--navy);color:#fff;padding:14px 18px;border-radius:12px;font-family:var(--f-tit);font-weight:750;box-shadow:var(--sombra);max-width:250px}
.sello svg{width:34px;height:34px;flex:none;fill:none;stroke:var(--naranja);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.pilares{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}
.pilares li{display:flex;gap:16px;padding:18px;border:1px solid var(--linea);border-radius:var(--r);transition:border-color .25s,transform .25s}
.pilares li:hover{border-color:var(--naranja);transform:translateX(6px)}
.pilar__ico{flex:none;width:48px;height:48px;border-radius:12px;background:rgba(255,106,19,.12);display:grid;place-items:center}
.pilar__ico svg{width:24px;height:24px;fill:none;stroke:var(--naranja);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.pilares h3{margin-bottom:.2em;font-size:1.08rem}
.pilares p{margin:0;color:#55556e;font-size:1rem}

/* Ingeniería */
.sec--plano{background:#f2f4fb;background-image:
  linear-gradient(rgba(1,0,102,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(1,0,102,.06) 1px,transparent 1px),
  linear-gradient(rgba(1,0,102,.03) 1px,transparent 1px),
  linear-gradient(90deg,rgba(1,0,102,.03) 1px,transparent 1px);
  background-size:96px 96px,96px 96px,24px 24px,24px 24px}
.dos-col--inv>:first-child{order:1}
.herramientas{display:grid;gap:14px;margin-top:24px}
.herr{position:relative;background:#fff;border-radius:var(--r);padding:20px 22px 18px 92px;border:1px solid var(--linea);transition:box-shadow .25s,transform .25s}
.herr:hover{box-shadow:var(--sombra);transform:translateY(-3px)}
.herr__tag{position:absolute;left:20px;top:20px;width:54px;height:54px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--f-tit);font-weight:850;font-size:.78rem;letter-spacing:.02em}
.herr h3{margin-bottom:.25em}
.herr p{margin:0;color:#55556e;font-size:1rem}
.modelo{order:2}
.modelo__pantalla{position:relative;background:var(--navy-900);border-radius:18px;padding:0 0 18px;box-shadow:0 40px 70px -35px rgba(5,5,58,.7);overflow:hidden;transform:perspective(1200px) rotateY(-8deg) rotateX(3deg);transition:transform .6s}
.modelo__pantalla:hover{transform:none}
.modelo__barra{display:flex;align-items:center;gap:6px;padding:12px 16px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.6);font-size:.82rem;font-family:ui-monospace,Menlo,Consolas,monospace}
.modelo__barra i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25)}
.modelo__barra i:first-child{background:var(--naranja)}
.modelo__barra span{margin-left:8px}
.modelo__pantalla img{background:#fff;margin:18px 18px 0;width:calc(100% - 36px);border-radius:10px}
.modelo__scan{position:absolute;left:18px;right:18px;top:60px;height:3px;background:linear-gradient(90deg,transparent,var(--naranja),transparent);box-shadow:0 0 18px 4px rgba(255,106,19,.55);animation:escanear 3.6s ease-in-out infinite}
@keyframes escanear{0%,100%{transform:translateY(0)}50%{transform:translateY(min(380px,30vw))}}

/* Galería */
.galeria{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:280px 280px;gap:14px}
.gal{position:relative;border-radius:var(--r);overflow:hidden;display:block}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .7s}
.gal:hover img{transform:scale(1.07)}
.gal span{position:absolute;inset:auto 0 0 0;padding:40px 18px 16px;background:linear-gradient(transparent,rgba(5,5,58,.85));color:#fff;font-family:var(--f-tit);font-weight:700;transform:translateY(100%);transition:transform .35s}
.gal:hover span,.gal:focus-visible span{transform:none}
.gal--alta{grid-row:span 2}
.gal--ancha{grid-column:span 2}

.ig{margin-top:72px;background:var(--hueso);border-radius:22px;padding:clamp(22px,3vw,36px)}
.ig__cab{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.ig__cab h3{font-size:1.6rem;margin-bottom:.2em}
.ig__cab p{margin:0;color:#55556e}
.ig__cab p a{color:var(--navy);font-weight:700}
.ig__grilla{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}
.ig__grilla a{position:relative;aspect-ratio:9/14;border-radius:10px;overflow:hidden;display:block;background:#dfe1ea}
.ig__grilla img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ig__grilla a::after{content:"";position:absolute;left:50%;top:50%;width:42px;height:42px;margin:-21px 0 0 -21px;border-radius:50%;background:rgba(255,255,255,.88) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 7l9 5-9 5z' fill='%23010066'/%3E%3C/svg%3E") center/22px no-repeat;transition:transform .3s}
.ig__grilla a:hover img{transform:scale(1.08)}
.ig__grilla a:hover::after{transform:scale(1.15)}

/* Clientes */
.marquesina{display:grid;gap:18px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquesina__pista{display:flex;align-items:center;gap:18px;width:max-content;animation:cinta 48s linear infinite}
.marquesina__fila--rev .marquesina__pista{animation-direction:reverse;animation-duration:54s}
.marquesina:hover .marquesina__pista{animation-play-state:paused}
.marquesina img{height:96px;width:200px;object-fit:contain;padding:18px 26px;background:#fff;border-radius:14px;border:1px solid var(--linea);filter:grayscale(1);opacity:.75;transition:filter .3s,opacity .3s,transform .3s}
.marquesina img:hover{filter:none;opacity:1;transform:translateY(-4px)}

/* Contacto */
.contacto{background:radial-gradient(1000px 500px at 85% 10%,rgba(255,106,19,.18),transparent 60%),var(--navy-900)}
.contacto__in{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,64px);align-items:start}
.ejecutiva{display:flex;align-items:center;gap:14px;margin:26px 0 22px}
.ejecutiva__ini{width:56px;height:56px;border-radius:50%;background:var(--naranja);display:grid;place-items:center;font-family:var(--f-tit);font-weight:900;font-size:1.1rem}
.ejecutiva small{display:block;color:rgba(255,255,255,.65);font-size:.88rem}
.ejecutiva strong{font-family:var(--f-tit);font-size:1.3rem;font-stretch:110%}
.datos{list-style:none;padding:0;margin:0 0 26px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.datos li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:14px 16px}
.datos span{display:block;font-size:.82rem;color:var(--naranja-2);font-weight:700;margin-bottom:2px}
.datos a{color:#fff;font-weight:700;text-decoration:none;word-break:break-word}
.datos a:hover{text-decoration:underline}
.datos p{margin:0;font-size:.95rem;color:rgba(255,255,255,.88)}
.sedes{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}
.sede{border-radius:12px;padding:14px 16px;border:1px dashed rgba(255,255,255,.25);text-decoration:none;color:#fff}
.sede b{display:block;font-family:var(--f-tit);font-size:.98rem}
.sede span{font-size:.88rem;color:rgba(255,255,255,.7)}
.sede--matriz{border-style:solid;border-color:var(--naranja);background:rgba(255,106,19,.1)}
.sede--matriz:hover{background:rgba(255,106,19,.2)}
.form{background:#fff;color:var(--tinta);border-radius:20px;padding:clamp(22px,3vw,36px);box-shadow:0 40px 80px -40px rgba(0,0,0,.6);position:relative}
.form::before{content:"";position:absolute;left:28px;right:28px;top:0;height:5px;background:var(--naranja);border-radius:0 0 6px 6px}
.form__tit{font-size:1.4rem;margin-bottom:18px}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}
.campo{display:flex;flex-direction:column;gap:6px}
.campo span{font-size:.88rem;font-weight:700;color:#3c3c55}
.campo--ancho{grid-column:1/-1}
.campo input,.campo select,.campo textarea{font:inherit;font-size:1rem;padding:12px 14px;border:1.5px solid #d5d7e2;border-radius:10px;background:#fafbfd;color:var(--tinta);transition:border-color .2s,box-shadow .2s;width:100%}
.campo textarea{resize:vertical;min-height:110px}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(1,0,102,.12);background:#fff}
.campo .error,.check.error{border-color:#d93025}
.campo input.error,.campo select.error,.campo textarea.error{border-color:#d93025;box-shadow:0 0 0 3px rgba(217,48,37,.12)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:#4b4b63}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--navy);flex:none}
.check.error span{color:#d93025}
.check a{color:var(--navy);font-weight:700}
.gancho{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__estado{margin:14px 0 0;font-weight:700;min-height:1.4em}
.form__estado.ok{color:#1a7f37}
.form__estado.mal{color:#d93025}

/* Pie */
.pie{background:#03032a;color:rgba(255,255,255,.75);padding:64px 0 0;font-size:.98rem}
.pie__in{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:32px;padding-bottom:40px}
.pie__marca img{width:210px;margin-bottom:16px}
.pie__marca p{max-width:34ch}
.pie__ig{color:var(--naranja-2);font-weight:700;text-decoration:none}
.pie h4{color:#fff;font-size:1rem;margin-bottom:14px}
.pie__col{display:flex;flex-direction:column;gap:8px}
.pie__col a{text-decoration:none}
.pie__col a:hover{color:#fff}
.pie__col p{margin:0}
.pie__base{border-top:1px solid rgba(255,255,255,.12);padding-block:20px calc(20px + env(safe-area-inset-bottom,0px));font-size:.9rem}
.pie__base p{margin:0}
.pie__base a{color:rgba(255,255,255,.75)}
.pie__base a:hover{color:#fff}

/* WhatsApp flotante */
.wsp{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:90;display:flex;align-items:center;gap:8px;background:#25d366;color:#fff;text-decoration:none;border-radius:999px;padding:12px 18px 12px 14px;font-family:var(--f-tit);font-weight:750;box-shadow:0 12px 30px -10px rgba(37,211,102,.8);transition:transform .2s}
.wsp:hover{transform:translateY(-3px) scale(1.03)}
.wsp::before{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid #25d366;animation:latido 2.4s infinite}
@keyframes latido{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.35);opacity:0}}

/* Visor */
.visor{position:fixed;inset:0;z-index:300;background:rgba(3,3,30,.94);display:flex;align-items:center;justify-content:center;padding:60px 70px}
.visor img{max-height:84vh;max-width:100%;border-radius:10px;box-shadow:0 30px 60px rgba(0,0,0,.5)}
.visor button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;cursor:pointer;border-radius:50%;width:52px;height:52px;font-size:2rem;line-height:1;display:grid;place-items:center}
.visor button:hover{background:var(--naranja)}
.visor__cerrar{top:16px;right:16px}
.visor__nav--prev{left:12px;top:50%;transform:translateY(-50%)}
.visor__nav--sig{right:12px;top:50%;transform:translateY(-50%)}
.visor__txt{position:absolute;bottom:16px;left:0;right:0;text-align:center;color:#fff;font-family:var(--f-tit);font-weight:700;margin:0}

/* Animación de aparición */
.js .aparece{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .aparece.visto{opacity:1;transform:none}
.servicios .serv:nth-child(3n+2){transition-delay:.08s}
.servicios .serv:nth-child(3n){transition-delay:.16s}
.servicios .serv.visto:hover{transition-delay:0s}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .cab__nav{position:fixed;top:calc(var(--cab-h) + env(safe-area-inset-top,0px));left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:10px 20px 24px;box-shadow:0 20px 40px -20px rgba(5,5,58,.4);transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility .25s;max-height:calc(100svh - var(--cab-h));overflow:auto}
  .cab__nav.abierto{transform:none;opacity:1;visibility:visible}
  .cab__nav a:not(.btn){padding:14px 4px;border-bottom:1px solid var(--linea);font-size:1.05rem}
  .cab__nav a:not(.btn)::after{display:none}
  .cab__cta{margin-top:16px}
  .cab__burger{display:flex}
  .servicios{grid-template-columns:repeat(2,1fr)}
  .serv--ancho{grid-column:span 2}
  .ig__grilla{grid-template-columns:repeat(4,1fr)}
  .altimetro{display:none}
}
@media (max-width:900px){
  .sectores{grid-template-columns:1fr}
  .sectores__fotos{min-height:0;aspect-ratio:4/3;order:-1}
  .sector{padding:12px 14px}
  .dos-col,.contacto__in{grid-template-columns:1fr}
  .dos-col--inv>:first-child{order:0}
  .modelo{order:0}
  .modelo__pantalla{transform:none}
  .foto-marco{max-width:520px;margin-inline:auto 30px}
  .galeria{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .gal{aspect-ratio:4/5}
  .gal--alta{grid-row:auto;grid-column:span 2;aspect-ratio:4/3}
  .gal--ancha{aspect-ratio:16/10}
  .pie__in{grid-template-columns:1fr 1fr}
  .pie__marca{grid-column:1/-1}
}
@media (max-width:640px){
  :root{--cab-h:66px}
  body{font-size:16px}
  .cab__logo img{height:42px}
  .hero{min-height:auto;padding-bottom:84px}
  .hero::before{background:linear-gradient(180deg,rgba(5,5,58,.82) 0%,rgba(1,0,102,.78) 55%,rgba(5,5,58,.95) 100%)}
  .hero__datos li{flex:1 1 100%;margin-right:0;padding:14px 0 0}
  .hero__datos li+li{border-left:0;padding-left:0}
  .hero__datos{flex-direction:column;gap:6px}
  .hero__datos li{display:flex;align-items:baseline;gap:12px}
  .hero__datos strong{font-size:1.7rem;min-width:84px}
  .hero__bajar{display:none}
  .hero__btns .btn{flex:1 1 100%}
  .servicios{grid-template-columns:1fr;gap:12px}
  .serv{display:grid;grid-template-columns:44px 1fr;column-gap:16px;padding:20px 18px}
  .serv__ico{width:40px;height:40px;margin:2px 0 0;grid-row:span 2}
  .serv h3{margin-bottom:.25em}
  .serv__n{display:none}
  .serv--ancho{grid-template-columns:44px 1fr;gap:0 16px}
  .serv--ancho .serv__link{grid-column:2;margin-top:8px}
  .serv--ancho{grid-column:auto;grid-template-columns:1fr;gap:14px}
  .cifras__in{grid-template-columns:1fr}
  .cifra{padding:30px 4px}
  .cifra+.cifra{border-left:0;border-top:1px solid rgba(255,255,255,.35)}
  .ig__grilla{grid-template-columns:repeat(2,1fr)}
  .ig__grilla a:nth-child(n+7){display:none}
  .datos,.form__grid{grid-template-columns:1fr}
  .sedes{grid-template-columns:1fr 1fr}
  .sede--matriz{grid-column:1/-1}
  .marquesina img{height:76px;width:150px;padding:14px 18px}
  .pie__in{grid-template-columns:1fr}
  .wsp span{display:none}
  .wsp{padding:14px}
  .sello{left:8px;bottom:16px}
  .foto-marco{margin-inline:0 22px}
  .visor{padding:60px 10px}
  .visor__nav{display:none!important}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .aparece{opacity:1;transform:none}
}