/* =========================================================
   ALMA GRUPO EMPRESARIAL — hoja de estilos
   Paleta: negro cálido + oro de marca. Cada unidad de negocio
   aporta un acento propio; el oro es el marco que las une.
   ========================================================= */

/* ---------- Tokens ---------- */
:root{
  --tinta:#0B0A08;          /* negro cálido, fondo base */
  --carbon:#141210;         /* superficie elevada */
  --carbon-2:#1D1A15;       /* superficie 2 */
  --hueso:#EFEBE2;          /* banda clara */
  --hueso-2:#E3DDD0;
  --texto-claro:#F3F0E9;
  --texto-suave:#B7B0A2;
  --texto-oscuro:#2A2620;
  --texto-oscuro-suave:#5C564A;

  --oro:#C9A227;
  --oro-alto:#F0CE6E;
  --oro-bajo:#8A6E17;
  --linea:rgba(201,162,39,.24);
  --linea-tenue:rgba(239,235,226,.10);
  --linea-oscura:rgba(42,38,32,.16);

  --acento:var(--oro);      /* lo sobrescribe cada unidad */

  --ancho:1240px;
  --gutter:clamp(1.15rem,4vw,2.75rem);
  --radio:2px;

  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --prosa:"Newsreader",Georgia,"Times New Roman",serif;

  --t-rapida:.22s cubic-bezier(.22,.61,.36,1);
  --t-media:.5s cubic-bezier(.22,.61,.36,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--tinta);
  color:var(--texto-claro);
  font-family:var(--display);
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--oro-alto);outline-offset:3px}

.contenedor{width:100%;max-width:var(--ancho);margin:0 auto;padding-inline:var(--gutter)}
.oculto-visual{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Tipografía ---------- */
.display{
  font-family:var(--display);
  font-variation-settings:"wdth" 115,"wght" 800;
  letter-spacing:-.022em;
  line-height:.96;
  text-transform:uppercase;
  margin:0;
}
.d-xl{font-size:clamp(2.4rem,5.7vw,4.9rem)}
.d-l{font-size:clamp(2rem,4.6vw,3.5rem)}
.d-m{font-size:clamp(1.5rem,2.9vw,2.25rem);font-variation-settings:"wdth" 110,"wght" 750}

.rotulo{
  font-family:var(--display);
  font-variation-settings:"wdth" 78,"wght" 700;
  font-size:.7rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--oro);
  margin:0;
}
.rotulo--acento{color:var(--acento)}

.prosa{
  font-family:var(--prosa);
  font-size:clamp(1.02rem,1.35vw,1.14rem);
  line-height:1.72;
  color:var(--texto-suave);
  font-weight:350;
}
.prosa strong{color:var(--texto-claro);font-weight:600}
.claro .prosa{color:var(--texto-oscuro-suave)}
.claro .prosa strong{color:var(--texto-oscuro)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.92rem 1.6rem;
  font-variation-settings:"wdth" 90,"wght" 700;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  border:1px solid var(--linea);
  border-radius:var(--radio);
  transition:background var(--t-rapida),color var(--t-rapida),border-color var(--t-rapida),transform var(--t-rapida);
}
.btn svg{width:1em;height:1em;flex:none}
.btn--oro{background:var(--oro);border-color:var(--oro);color:#120E02}
.btn--oro:hover{background:var(--oro-alto);border-color:var(--oro-alto);transform:translateY(-2px)}
.btn--linea{color:var(--texto-claro)}
.btn--linea:hover{border-color:var(--oro);color:var(--oro-alto);transform:translateY(-2px)}
.claro .btn--linea{border-color:var(--linea-oscura);color:var(--texto-oscuro)}
.claro .btn--linea:hover{border-color:var(--oro-bajo);color:var(--oro-bajo)}

/* ---------- Barra superior ---------- */
.barra{
  border-bottom:1px solid var(--linea-tenue);
  background:var(--tinta);
  font-size:.74rem;
}
.barra__int{display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;align-items:center;justify-content:space-between;min-height:38px}
.barra a,.barra span{display:inline-flex;align-items:center;gap:.45rem;color:var(--texto-suave);
  font-variation-settings:"wdth" 88,"wght" 500;letter-spacing:.05em}
.barra a:hover{color:var(--oro-alto)}
.barra svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:1.7}
.barra__sede{color:var(--oro)!important}
@media(max-width:720px){.barra__int{justify-content:center}.barra__sede{display:none!important}}

/* ---------- Cabecera ---------- */
.cab{
  position:sticky;top:0;z-index:60;
  background:rgba(11,10,8,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--linea-tenue);
  transition:border-color var(--t-rapida);
}
.cab__int{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:74px}
.cab__logo img{height:34px;width:auto}
.nav{display:flex;align-items:center;gap:2rem}
.nav a{
  font-size:.76rem;letter-spacing:.15em;text-transform:uppercase;
  font-variation-settings:"wdth" 88,"wght" 600;
  color:var(--texto-suave);position:relative;padding:.35rem 0;
  transition:color var(--t-rapida);
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--oro);
  transition:right var(--t-rapida);
}
.nav a:hover{color:var(--texto-claro)}
.nav a.btn--oro{color:#120E02}
.nav a.btn--linea{color:var(--texto-claro)}
.nav a:hover::after{right:0}
.cab__cta{display:inline-flex}
@media(min-width:961px){.nav .btn{display:none}}
.hamb{display:none;width:44px;height:44px;align-items:center;justify-content:center}
.hamb span{display:block;width:22px;height:1.5px;background:var(--texto-claro);position:relative;transition:background var(--t-rapida)}
.hamb span::before,.hamb span::after{content:"";position:absolute;left:0;width:22px;height:1.5px;background:var(--texto-claro);transition:transform var(--t-rapida)}
.hamb span::before{top:-7px}.hamb span::after{top:7px}
.hamb[aria-expanded="true"] span{background:transparent}
.hamb[aria-expanded="true"] span::before{transform:translateY(7px) rotate(45deg)}
.hamb[aria-expanded="true"] span::after{transform:translateY(-7px) rotate(-45deg)}

@media(max-width:960px){
  .hamb{display:flex}
  .cab__cta{display:none}
  .nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--carbon);border-block:1px solid var(--linea-tenue);
    padding:.5rem var(--gutter) 1.5rem;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity var(--t-rapida),transform var(--t-rapida);
    max-height:72svh;overflow-y:auto;
  }
  .nav[data-abierto="true"]{opacity:1;transform:none;pointer-events:auto}
  .nav a{padding:1rem 0;border-bottom:1px solid var(--linea-tenue);font-size:.9rem}
  .nav a::after{display:none}
  .nav .btn{margin-top:1.25rem;justify-content:center}
}

/* ---------- Portada ---------- */
.portada{position:relative;min-height:clamp(560px,82svh,820px);display:flex;flex-direction:column;isolation:isolate}
.portada__fondos{position:absolute;inset:0;z-index:-2;overflow:hidden;background:var(--tinta)}
.portada__fondo{
  position:absolute;inset:0;opacity:0;transform:scale(1.06);
  background-size:cover;background-position:center;
  transition:opacity 1s ease,transform 8s ease-out;
}
.portada__fondo[data-activo="true"]{opacity:1;transform:scale(1)}
.portada__velo{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(11,10,8,.94) 0%,rgba(11,10,8,.62) 34%,rgba(11,10,8,.80) 72%,var(--tinta) 100%),
    linear-gradient(90deg,rgba(11,10,8,.92) 0%,rgba(11,10,8,.35) 62%,rgba(11,10,8,.55) 100%);
}
.portada__int{flex:1;display:flex;flex-direction:column;justify-content:center;padding-block:clamp(3.5rem,9vh,6rem) 0}
.portada__marco{max-width:min(100%,800px)}
.portada__rotulo{display:flex;align-items:center;gap:.85rem;margin-bottom:1.5rem}
.portada__rotulo::after{content:"";flex:1;max-width:120px;height:1px;background:var(--linea)}
.portada h1{color:var(--texto-claro)}
.portada h1 em{font-style:normal;display:block;color:var(--oro);
  background:linear-gradient(96deg,var(--oro-alto),var(--oro) 42%,var(--oro-bajo));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.portada__sub{margin:1.6rem 0 0;max-width:54ch;min-height:4.6em}
.portada__sub p{margin:0;transition:opacity var(--t-media),transform var(--t-media)}
.portada__sub[data-cambiando="true"] p{opacity:0;transform:translateY(6px)}
.portada__acciones{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}

/* selector de unidades */
.selector{border-top:1px solid var(--linea-tenue);background:linear-gradient(0deg,rgba(11,10,8,.9),rgba(11,10,8,.35))}
.selector__int{display:grid;grid-template-columns:repeat(5,1fr)}
.uni-tab{
  position:relative;text-align:left;padding:1.15rem .55rem 1.25rem;
  border-right:1px solid var(--linea-tenue);
  transition:background var(--t-rapida);
}
.uni-tab:last-child{border-right:0}
.uni-tab:hover{background:rgba(239,235,226,.05)}
.uni-tab__sector{
  display:block;font-size:.56rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 76,"wght" 700;
  color:var(--texto-suave);margin-bottom:.4rem;
  transition:color var(--t-rapida);
}
.uni-tab__nombre{
  display:block;font-size:.86rem;line-height:1.2;
  font-variation-settings:"wdth" 100,"wght" 700;
  color:var(--texto-suave);transition:color var(--t-rapida);
}
.uni-tab::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--acento-tab);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t-media);
}
.uni-tab[aria-selected="true"]::after{transform:scaleX(1)}
.uni-tab[aria-selected="true"] .uni-tab__nombre{color:var(--texto-claro)}
.uni-tab[aria-selected="true"] .uni-tab__sector{color:var(--acento-tab)}
@media(max-width:900px){
  .selector__int{grid-template-columns:repeat(3,1fr)}
  .uni-tab{border-bottom:1px solid var(--linea-tenue)}
  .uni-tab:nth-child(3n){border-right:0}
  .uni-tab:nth-child(n+4){border-bottom:0}
}
@media(max-width:520px){
  .selector__int{grid-template-columns:repeat(2,1fr)}
  .uni-tab:nth-child(3n){border-right:1px solid var(--linea-tenue)}
  .uni-tab:nth-child(2n){border-right:0}
  .uni-tab:nth-child(n+4){border-bottom:1px solid var(--linea-tenue)}
  .uni-tab:nth-child(n+5){border-bottom:0}
}

/* ---------- Secciones ---------- */
.seccion{padding-block:clamp(4.5rem,10vw,7.5rem);position:relative}
.seccion--clara{background:var(--hueso);color:var(--texto-oscuro)}
.seccion--carbon{background:var(--carbon)}
.encabezado{max-width:min(100%,820px);margin-bottom:clamp(2.5rem,5vw,4rem)}
.encabezado .prosa{max-width:58ch}
.encabezado .rotulo{margin-bottom:1rem}
.encabezado h2{margin-bottom:1.25rem}
.seccion--clara h2,.seccion--clara h3{color:var(--texto-oscuro)}
.seccion--clara .rotulo{color:var(--oro-bajo)}

/* ---------- Grupo (misión / visión) ---------- */
.grupo{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(2rem,5vw,4.5rem);align-items:start}
.pilares{display:grid;gap:1.25rem}
.pilar{border-top:1px solid var(--linea-oscura);padding-top:1.25rem}
.pilar h3{
  margin:0 0 .5rem;font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 80,"wght" 700;color:var(--oro-bajo);
}
.pilar p{margin:0;font-family:var(--prosa);font-size:1.02rem;line-height:1.68;color:var(--texto-oscuro-suave)}
.cifras{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--linea-oscura);
  margin-top:clamp(2.5rem,5vw,4rem);border:1px solid var(--linea-oscura)}
.cifra{background:var(--hueso);padding:1.6rem 1.4rem}
.cifra__n{display:block;font-variation-settings:"wdth" 112,"wght" 800;font-size:clamp(2rem,4vw,2.8rem);
  line-height:1;color:var(--texto-oscuro);letter-spacing:-.02em}
.cifra__t{display:block;margin-top:.6rem;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  font-variation-settings:"wdth" 80,"wght" 600;color:var(--texto-oscuro-suave)}
@media(max-width:860px){.grupo{grid-template-columns:1fr}}

/* ---------- Bandas de unidad ---------- */
.unidades{background:var(--tinta)}
.unidad{border-top:1px solid var(--linea-tenue);scroll-margin-top:80px}
.unidad__int{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;align-items:stretch}
.unidad__foto{position:relative;min-height:clamp(320px,46vw,560px);overflow:hidden}
.unidad__foto img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.22,.61,.36,1)}
.unidad:hover .unidad__foto img{transform:scale(1.04)}
.unidad__foto::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,10,8,.5))}
.unidad__marca{
  position:absolute;left:0;top:clamp(1.5rem,4vw,2.5rem);z-index:2;
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--tinta);border:1px solid var(--linea-tenue);border-left:0;
  padding:.55rem 1rem .55rem calc(var(--gutter) * .6);
  font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;
  font-variation-settings:"wdth" 76,"wght" 700;color:var(--acento);
}
.unidad__marca::before{content:"";width:8px;height:8px;background:var(--acento)}
.unidad__cuerpo{
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(2.5rem,5.5vw,4.5rem) clamp(1.5rem,4.5vw,4rem);
  background:var(--carbon);
}
.unidad__cuerpo h3{margin:0 0 1.1rem;color:var(--texto-claro)}
.unidad__lista{list-style:none;margin:1.75rem 0 0;padding:0;display:grid;gap:.7rem}
.unidad__lista li{
  position:relative;padding-left:1.5rem;font-size:.92rem;color:var(--texto-suave);
  font-variation-settings:"wdth" 92,"wght" 450;
}
.unidad__lista li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:1px;background:var(--acento);
}
.unidad__acciones{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}
.unidad__acciones .btn--oro{background:var(--acento);border-color:var(--acento);color:#0B0A08}
.unidad__acciones .btn--oro:hover{filter:brightness(1.14)}
.unidad:nth-child(even) .unidad__foto{order:2}
.unidad:nth-child(even) .unidad__marca{left:auto;right:0;border-right:0;border-left:1px solid var(--linea-tenue);
  padding:.55rem calc(var(--gutter) * .6) .55rem 1rem;flex-direction:row-reverse}
@media(max-width:860px){
  .unidad__int{grid-template-columns:1fr}
  .unidad:nth-child(even) .unidad__foto{order:0}
  .unidad__foto{min-height:280px}
}

/* ---------- Catálogo Detailing ---------- */
.filtros{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem}
.filtro{
  padding:.6rem 1.1rem;border:1px solid var(--linea-tenue);border-radius:100px;
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  font-variation-settings:"wdth" 86,"wght" 600;color:var(--texto-suave);
  transition:all var(--t-rapida);
}
.filtro:hover{border-color:var(--oro);color:var(--texto-claro)}
.filtro[aria-pressed="true"]{background:var(--oro);border-color:var(--oro);color:#120E02}
.catalogo{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:1px;background:var(--linea-tenue);
  border:1px solid var(--linea-tenue)}
.servicio{background:var(--carbon);padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.7rem}
.servicio[hidden]{display:none}
.servicio__cat{font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 76,"wght" 700;color:var(--oro)}
.servicio h4{margin:0;font-size:1.02rem;font-variation-settings:"wdth" 104,"wght" 700;
  letter-spacing:-.01em;color:var(--texto-claro)}
.servicio p{margin:0;font-family:var(--prosa);font-size:.94rem;line-height:1.62;color:var(--texto-suave);font-weight:350}
.catalogo__vacio{padding:2rem;background:var(--carbon);color:var(--texto-suave);grid-column:1/-1}

/* ---------- Galería Olimpo ---------- */
.galeria{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--linea-tenue);
  border:1px solid var(--linea-tenue)}
.galeria figure{margin:0;position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--carbon)}
.galeria img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.22,.61,.36,1)}
.galeria figure:hover img{transform:scale(1.06)}
.galeria figcaption{
  position:absolute;inset:auto 0 0;padding:1.5rem 1.15rem .95rem;
  background:linear-gradient(180deg,transparent,rgba(11,10,8,.88));
  font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  font-variation-settings:"wdth" 80,"wght" 600;color:var(--texto-claro);
}
@media(max-width:860px){.galeria{grid-template-columns:repeat(2,1fr)}}

/* ---------- Testimonios ---------- */
.testimonios{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;
  background:var(--linea-oscura);border:1px solid var(--linea-oscura)}
.testimonio{background:var(--hueso);padding:2rem 1.75rem;display:flex;flex-direction:column;gap:1.1rem}
.testimonio blockquote{margin:0;font-family:var(--prosa);font-size:1.04rem;line-height:1.68;
  color:var(--texto-oscuro);font-weight:350}
.testimonio blockquote::before{content:"\201C"}
.testimonio blockquote::after{content:"\201D"}
.testimonio__pie{margin-top:auto;display:flex;flex-direction:column;gap:.25rem}
.testimonio__quien{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  font-variation-settings:"wdth" 88,"wght" 700;color:var(--texto-oscuro)}
.testimonio__de{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  font-variation-settings:"wdth" 78,"wght" 600;color:var(--oro-bajo)}
.estrellas{color:var(--oro);letter-spacing:.14em;font-size:.85rem}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--linea-tenue);max-width:900px}
.faq details{border-bottom:1px solid var(--linea-tenue)}
.faq summary{
  list-style:none;cursor:pointer;padding:1.35rem 2.5rem 1.35rem 0;position:relative;
  font-size:1rem;font-variation-settings:"wdth" 100,"wght" 650;color:var(--texto-claro);
  transition:color var(--t-rapida);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--oro-alto)}
.faq summary::after{
  content:"";position:absolute;right:.4rem;top:50%;width:11px;height:11px;
  border-right:1.5px solid var(--oro);border-bottom:1.5px solid var(--oro);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--t-rapida);
}
.faq details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq__r{padding:0 2.5rem 1.6rem 0;margin:0;font-family:var(--prosa);font-size:1.02rem;
  line-height:1.72;color:var(--texto-suave);font-weight:350}
.faq__r ul{margin:.75rem 0 0;padding-left:1.1rem}
.faq__r li{margin-bottom:.35rem}

/* ---------- Contacto ---------- */
.contacto{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(2rem,5vw,4rem);align-items:start}
.sedes{display:grid;gap:1px;background:var(--linea-tenue);border:1px solid var(--linea-tenue);margin-top:2rem}
.sede{background:var(--carbon);padding:1.5rem}
.sede h3{margin:0 0 .85rem;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 80,"wght" 700;color:var(--oro)}
.sede dl{margin:0;display:grid;gap:.5rem}
.sede div{display:flex;gap:.7rem;align-items:flex-start}
.sede dt{flex:none;width:74px;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  font-variation-settings:"wdth" 76,"wght" 600;color:var(--texto-suave);padding-top:.18em}
.sede dd{margin:0;font-size:.92rem;color:var(--texto-claro);font-variation-settings:"wdth" 94,"wght" 450}
.sede dd a:hover{color:var(--oro-alto)}

.form{background:var(--carbon);border:1px solid var(--linea-tenue);padding:clamp(1.5rem,3.5vw,2.5rem)}
.form__fila{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.campo{display:flex;flex-direction:column;gap:.45rem;margin-bottom:1rem}
.campo label{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  font-variation-settings:"wdth" 78,"wght" 700;color:var(--texto-suave)}
.campo input,.campo select,.campo textarea{
  width:100%;padding:.85rem .9rem;background:var(--tinta);color:var(--texto-claro);
  border:1px solid var(--linea-tenue);border-radius:var(--radio);
  font-family:var(--display);font-size:.95rem;font-variation-settings:"wdth" 96,"wght" 450;
  transition:border-color var(--t-rapida);
}
.campo textarea{resize:vertical;min-height:118px;font-family:var(--prosa);font-size:1rem}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--oro);outline:none}
.campo select{appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--oro) 50%),linear-gradient(135deg,var(--oro) 50%,transparent 50%);
  background-position:calc(100% - 18px) 55%,calc(100% - 13px) 55%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form .btn{width:100%;justify-content:center;margin-top:.5rem}
.form__nota{margin:1rem 0 0;font-size:.76rem;line-height:1.55;color:var(--texto-suave);
  font-variation-settings:"wdth" 88,"wght" 450}
@media(max-width:860px){.contacto{grid-template-columns:1fr}}
@media(max-width:520px){.form__fila{grid-template-columns:1fr}}

.mapa{margin-top:clamp(3rem,6vw,4.5rem);border:1px solid var(--linea-tenue);line-height:0}
.mapa iframe{width:100%;height:clamp(280px,38vw,420px);border:0;filter:grayscale(1) invert(.92) contrast(.86)}

/* ---------- Pie ---------- */
.pie{background:var(--tinta);border-top:1px solid var(--linea);padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.pie__grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:clamp(2rem,5vw,4rem)}
.pie__logo img{height:40px;width:auto;margin-bottom:1.25rem}
.pie h4{margin:0 0 1.1rem;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 78,"wght" 700;color:var(--oro)}
.pie ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.pie li a,.pie li span{font-size:.88rem;color:var(--texto-suave);font-variation-settings:"wdth" 92,"wght" 450;
  transition:color var(--t-rapida)}
.pie li a:hover{color:var(--oro-alto)}
.pie__legal{margin-top:clamp(2.5rem,5vw,3.5rem);padding-top:1.5rem;border-top:1px solid var(--linea-tenue);
  display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:space-between;
  font-size:.72rem;color:var(--texto-suave);font-variation-settings:"wdth" 88,"wght" 450}
@media(max-width:760px){.pie__grid{grid-template-columns:1fr 1fr}.pie__logo{grid-column:1/-1}}

/* ---------- Burbuja WhatsApp ---------- */
.wa{
  position:fixed;right:clamp(1rem,3vw,1.75rem);bottom:clamp(1rem,3vw,1.75rem);z-index:70;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#1FAF52;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.45);
  transition:transform var(--t-rapida),box-shadow var(--t-rapida);
}
.wa:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 14px 36px rgba(0,0,0,.55)}
.wa svg{width:28px;height:28px;fill:currentColor}

/* ---------- Revelado al hacer scroll ---------- */
.revelar{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s cubic-bezier(.22,.61,.36,1)}
.revelar.visible{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .revelar{opacity:1;transform:none}
  .portada__fondo{transform:none}
}

/* ---------- Logos de las unidades ---------- */
.unidad__logo{
  height:clamp(76px,9vw,110px);width:auto;max-width:min(100%,320px);
  object-fit:contain;object-position:left center;margin-bottom:1.35rem;
}

/* ---------- Rejilla de compañías ---------- */
.marcas{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;
  background:var(--linea-tenue);border:1px solid var(--linea-tenue)}
.marca{
  background:var(--carbon);padding:2.25rem 1.5rem 1.75rem;
  display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center;
  position:relative;transition:background var(--t-rapida);
}
.marca::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--acento);
  transform:scaleX(0);transition:transform var(--t-media)}
.marca:hover{background:var(--carbon-2)}
.marca:hover::after{transform:scaleX(1)}
.marca img{height:112px;width:auto;max-width:100%;object-fit:contain;
  transition:transform var(--t-rapida)}
.marca:hover img{transform:scale(1.05)}
.marca__sector{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 76,"wght" 700;color:var(--acento)}
.marca__ir{margin-top:auto;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  font-variation-settings:"wdth" 86,"wght" 600;color:var(--texto-suave);
  transition:color var(--t-rapida)}
.marca:hover .marca__ir{color:var(--texto-claro)}

/* ---------- Portada de página de unidad ---------- */
.tapa{position:relative;isolation:isolate;padding-block:clamp(3.5rem,9vw,6rem);overflow:hidden}
.tapa__foto{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.tapa__velo{position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(11,10,8,.9),rgba(11,10,8,.66) 45%,var(--tinta))}
.tapa__logo{height:clamp(100px,14vw,160px);width:auto;max-width:min(100%,380px);
  object-fit:contain;object-position:left center;margin-bottom:1.5rem}
.tapa .prosa{max-width:58ch}
.volver{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:1.75rem;
  font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;
  font-variation-settings:"wdth" 80,"wght" 700;color:var(--acento)}
.volver:hover{color:var(--texto-claro)}
.bloques{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1px;
  background:var(--linea-tenue);border:1px solid var(--linea-tenue)}
.bloque{background:var(--carbon);padding:1.75rem 1.6rem;display:flex;flex-direction:column;gap:.7rem}
.bloque h3{margin:0;font-size:1.05rem;font-variation-settings:"wdth" 104,"wght" 700;color:var(--texto-claro)}
.bloque p{margin:0;font-family:var(--prosa);font-size:.96rem;line-height:1.65;color:var(--texto-suave);font-weight:350}
.bloque__cat{font-size:.58rem;letter-spacing:.2em;text-transform:uppercase;
  font-variation-settings:"wdth" 76,"wght" 700;color:var(--acento)}

/* Compensación óptica: cada logo trae distinto margen interno.
   --rlogo = alto del lienzo / alto del contenido visible. */
.marca img{height:44px;transform:scale(var(--rlogo,1));transform-origin:center}
.marca:hover img{transform:scale(calc(var(--rlogo,1) * 1.06))}
.unidad__logo{height:56px;max-width:none;transform:scale(var(--rlogo,1));transform-origin:left center;margin-bottom:1.6rem}
.tapa__logo{height:74px;max-width:none;transform:scale(var(--rlogo,1));transform-origin:left center;margin-bottom:1.9rem}