/* ==========================================================================
   Hiperinox — hoja de estilos compartida
   ========================================================================== */

:root{
  --rojo:#c8302f;
  --rojo-oscuro:#a12523;
  --rojo-suave:#ffe1e0;
  /* Rojo de marca: fijo en los dos temas. Se usa SOLO en componentes con
     fondo/texto rojo fijo (botones, banda de CTA) donde el contraste con
     blanco ya está calculado (~5.4:1, AA). No debe variar con el tema:
     si el token de texto/acento se aclara para verse en fondo oscuro,
     el blanco sobre ese rojo más claro cae a ~3:1 y no pasa AA. */
  --rojo-marca:#c8302f;
  --rojo-marca-oscuro:#a12523;

  --acero-950:#17191b;
  --acero-900:#1f2224;
  --acero-800:#2b2f32;
  --acero-700:#3c4144;
  --acero-600:#5a6166;
  --acero-400:#8b9297;
  --acero-200:#cfd3d5;
  --acero-100:#e8eaeb;
  --acero-050:#f5f6f6;
  --blanco:#ffffff;

  /* tokens semánticos (tema claro por defecto) */
  --bg:#ffffff;
  --bg-alt:var(--acero-050);
  --bg-inversa:var(--acero-950);
  --texto:var(--acero-900);
  --texto-suave:var(--acero-600);
  --texto-sobre-inversa:var(--acero-100);
  --borde:var(--acero-100);
  --borde-fuerte:var(--acero-200);
  --acento:var(--rojo);
  --acento-hover:var(--rojo-oscuro);
  --superficie:#ffffff;
  --superficie-elevada:#ffffff;
  --sombra: 0 12px 28px rgba(23,25,27,.10);

  --font-display:'Oswald',Impact,'Arial Narrow',sans-serif;
  --font-body:'Barlow',Arial,Helvetica,sans-serif;
  --font-mono:'Barlow Semi Condensed','Arial Narrow',sans-serif;

  --container:1200px;
  --radio:3px;
}

/* Tema oscuro: seguir preferencia de sistema */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#121415;
    --bg-alt:#1a1d1f;
    --bg-inversa:#0c0d0e;
    --texto:#f1f2f2;
    --texto-suave:#b7bcbf;
    --texto-sobre-inversa:#e8eaeb;
    --borde:#2b2f32;
    --borde-fuerte:#3c4144;
    --acento:#ff5b59;
    --acento-hover:#ff8280;
    --superficie:#1a1d1f;
    --superficie-elevada:#202325;
    --sombra: 0 14px 32px rgba(0,0,0,.45);
  }
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}
body{
  margin:0;
  background:var(--bg);
  color:var(--texto);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);text-transform:uppercase;text-wrap:balance;margin:0 0 1rem;color:var(--texto);}
p{margin:0 0 1rem;color:var(--texto-suave);}
ul{padding:0;margin:0;}
button{font-family:inherit;}

:focus-visible{
  outline:3px solid var(--acento);
  outline-offset:2px;
}

.container{max-width:var(--container);margin:0 auto;padding:0 1.25rem;}
@media(min-width:768px){ .container{padding:0 2rem;} }

.skip-link{
  position:absolute;left:-999px;top:auto;
  background:var(--rojo-marca);color:#fff;padding:.8rem 1.2rem;z-index:1000;
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;
  text-decoration:none;
}
.skip-link:focus{left:1rem;top:1rem;}

/* ========================= TOPBAR ========================= */
.topbar{
  background:var(--bg-inversa);
  color:var(--acero-200);
  font-family:var(--font-mono);
  font-size:.76rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:.45rem;padding-bottom:.45rem;
  gap:1rem;flex-wrap:wrap;
}
.topbar-contact{display:flex;gap:1.4rem;flex-wrap:wrap;}
.topbar-contact a{color:var(--acero-100);text-decoration:none;}
.topbar-contact a:hover{color:var(--acento);}
.topbar-contact .ico{color:var(--acero-200);margin-right:.3rem;}
.topbar-hours{white-space:nowrap;}

/* ========================= HEADER / NAV ========================= */
header.main{
  background:var(--superficie);
  border-bottom:3px solid var(--acento);
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 10px rgba(0,0,0,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:.7rem 0;
  gap:1rem;
}
.logo-wrap{display:flex;align-items:center;gap:.8rem;text-decoration:none;flex-shrink:0;}
.logo-wrap img{height:44px;width:auto;}
.tagline{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--texto-suave);border-left:2px solid var(--borde-fuerte);padding-left:.75rem;
  line-height:1.3;
}

.hamburger{
  display:none;
  background:none;border:1px solid var(--borde-fuerte);border-radius:2px;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  cursor:pointer;
  flex-shrink:0;
}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:22px;height:2px;background:var(--texto);
  position:relative;transition:.2s;
}
.hamburger span::before{position:absolute;top:-7px;}
.hamburger span::after{position:absolute;top:7px;}
.hamburger[aria-expanded="true"] span{background:transparent;}
.hamburger[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.hamburger[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}

nav.mainnav{display:flex;align-items:center;gap:1.8rem;}
nav.mainnav > ul{list-style:none;display:flex;gap:1.6rem;margin:0;padding:0;}
nav.mainnav li{position:relative;}
nav.mainnav > ul > li > a{
  color:var(--texto);text-decoration:none;
  font-family:var(--font-display);font-weight:500;
  font-size:.88rem;text-transform:uppercase;letter-spacing:.03em;
  padding:.5rem 0;display:flex;align-items:center;gap:.3rem;
}
nav.mainnav li.has-sub > a::after{content:"▾";font-size:.6rem;color:var(--acento);}
nav.mainnav a:hover,nav.mainnav a.activo{color:var(--acento);}

.cta-btn{
  background:var(--rojo-marca);color:#fff !important;font-family:var(--font-display);
  text-transform:uppercase;letter-spacing:.03em;font-size:.85rem;
  padding:.65rem 1.3rem;border-radius:var(--radio);text-decoration:none;
  display:inline-flex;align-items:center;gap:.5rem;
  box-shadow:0 3px 0 var(--rojo-marca-oscuro);
  border:none;cursor:pointer;
}
.cta-btn:hover{background:var(--rojo-marca-oscuro);}
.cta-btn--sm{font-size:.72rem;padding:.42rem .85rem;box-shadow:0 2px 0 var(--rojo-marca-oscuro);gap:.35rem;}
.btn-outline{
  border:1.5px solid var(--borde-fuerte);color:var(--texto);text-decoration:none;
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;
  font-size:.85rem;padding:.72rem 1.45rem;border-radius:var(--radio);
  display:inline-flex;align-items:center;gap:.5rem;background:transparent;cursor:pointer;
}
.btn-outline:hover{border-color:var(--acento);color:var(--acento);}
.btn-outline--inversa{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline--inversa:hover{border-color:#fff;color:#fff;}
.btn-white{
  background:#fff;color:var(--rojo-marca-oscuro) !important;text-decoration:none;font-family:var(--font-display);
  text-transform:uppercase;letter-spacing:.03em;font-size:.9rem;padding:.85rem 1.8rem;border-radius:var(--radio);font-weight:600;
  display:inline-flex;align-items:center;gap:.5rem;
}

.dropdown-mock{
  position:absolute;top:100%;left:-1rem;
  background:var(--superficie-elevada);
  border-top:2px solid var(--acento);
  box-shadow:var(--sombra);
  padding:1.1rem 1.3rem;
  display:grid;grid-template-columns:repeat(3,160px);gap:.3rem 1.6rem;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:.18s ease;
  border-radius:0 0 var(--radio) var(--radio);
}
nav.mainnav li.has-sub:hover .dropdown-mock,
nav.mainnav li.has-sub:focus-within .dropdown-mock,
nav.mainnav li.has-sub.abierto .dropdown-mock{
  opacity:1;visibility:visible;transform:translateY(0);
}
.dropdown-mock a{
  font-family:var(--font-body);font-size:.82rem;text-transform:none;
  color:var(--texto-suave);font-weight:400;padding:.32rem 0;text-decoration:none;display:block;
}
.dropdown-mock a:hover{color:var(--acento);}
.dropdown-mock .col-title{
  font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;
  letter-spacing:.08em;color:var(--acento);font-weight:700;margin-bottom:.3rem;
}

@media(max-width:980px){
  .tagline{display:none;}
  .hamburger{display:flex;}
  nav.mainnav{
    position:fixed;inset:0 0 0 auto;width:min(86vw,360px);height:100dvh;
    background:var(--superficie);
    flex-direction:column;align-items:stretch;
    padding:5.2rem 1.5rem 2rem;
    transform:translateX(100%);
    transition:transform .25s ease;
    box-shadow:-12px 0 30px rgba(0,0,0,.25);
    overflow-y:auto;
    gap:0;
    z-index:96;
  }
  nav.mainnav.abierto{transform:translateX(0);}
  nav.mainnav > ul{flex-direction:column;gap:0;width:100%;}
  nav.mainnav > ul > li{border-bottom:1px solid var(--borde);}
  nav.mainnav > ul > li > a{padding:1rem 0;font-size:1rem;justify-content:space-between;width:100%;}
  nav.mainnav .cta-btn{margin-top:1.4rem;justify-content:center;}
  .dropdown-mock{
    position:static;opacity:1;visibility:visible;transform:none;
    display:none;grid-template-columns:1fr;box-shadow:none;border-top:none;
    padding:.2rem 0 1rem 1rem;
  }
  li.has-sub.abierto .dropdown-mock{display:grid;}
  li.has-sub.abierto > a::after{content:"▴";}
  .nav-backdrop{
    position:fixed;inset:0;background:rgba(12,13,14,.5);
    opacity:0;visibility:hidden;transition:.2s;z-index:95;
  }
  .nav-backdrop.abierto{opacity:1;visibility:visible;}
}

/* ========================= HERO ========================= */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;color:#fff;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,17,18,.92) 0%,rgba(15,17,18,.74) 40%,rgba(15,17,18,.3) 70%,rgba(15,17,18,.08) 100%);
}
.hero-inner{position:relative;z-index:5;width:100%;padding:5rem 0;}
.hero-eyebrow{
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.18em;
  font-size:.78rem;color:#ffb3b1;margin-bottom:1rem;display:flex;align-items:center;gap:.6rem;
}
.hero-eyebrow::before{content:"";width:34px;height:2px;background:var(--acento);display:inline-block;}
.hero h1{font-weight:600;font-size:clamp(2.1rem,5vw,3.7rem);line-height:1.03;margin:0 0 1.1rem;max-width:12ch;color:#fff;}
.hero h1 em{font-style:normal;color:#ff8f8d;}
.hero p{font-size:1.05rem;max-width:46ch;color:var(--acero-100);line-height:1.55;margin:0 0 2rem;}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;}

/* hero de página interna (más chico, sin carrusel) */
.page-hero{
  background:var(--bg-inversa);color:#fff;
  padding:2.6rem 0 2.2rem;
}
.page-hero .container{position:relative;}
.breadcrumb{
  font-family:var(--font-mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;
  color:var(--acero-400);display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem;
}
.breadcrumb a{color:var(--acero-200);text-decoration:none;}
.breadcrumb a:hover{color:var(--acento);}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.6rem;max-width:none;}
.page-hero .lead{color:var(--acero-200);max-width:60ch;font-size:1.02rem;margin:0;}

/* trust strip */
.trust-strip{
  background:var(--bg-inversa);color:var(--acero-200);
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;
  padding:.85rem 0;
}
.trust-inner{display:flex;gap:1.4rem 2.4rem;flex-wrap:wrap;justify-content:space-between;}
.trust-inner b{color:#fff;font-family:var(--font-display);font-size:1rem;margin-right:.4rem;}

/* ========================= SECTIONS ========================= */
section{padding:4rem 0;}
.bg-alt{background:var(--bg-alt);}
.sect-head{max-width:640px;margin:0 0 2.6rem;}
.eyebrow{
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.16em;
  font-size:.76rem;color:var(--acento);display:flex;align-items:center;gap:.6rem;margin-bottom:.9rem;
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--acento);}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
.sect-head p{font-size:1.02rem;}

/* pillars grid (home) */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;}
.pillar{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);overflow:hidden;transition:.2s;text-decoration:none;display:block;}
.pillar:hover{box-shadow:var(--sombra);transform:translateY(-3px);}
.pillar-img{height:180px;overflow:hidden;position:relative;background:var(--bg-alt);}
.pillar-img img{width:100%;height:100%;object-fit:cover;}
.pillar-num{position:absolute;top:.8rem;left:.8rem;background:var(--rojo-marca);color:#fff;font-family:var(--font-mono);font-size:.68rem;padding:.25rem .55rem;letter-spacing:.05em;}
.pillar-body{padding:1.4rem 1.5rem 1.6rem;}
.pillar-body h3{font-size:1.2rem;margin:0 0 .55rem;}
.pillar-body p{font-size:.9rem;line-height:1.55;margin:0 0 1rem;}
.pillar-link{font-family:var(--font-mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--acento);font-weight:700;}
.pillar-link::after{content:" →";}

/* product / subcategory cards grid (category pages) */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.4rem;}
.card{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);overflow:hidden;text-decoration:none;display:block;transition:.2s;}
.card:hover{box-shadow:var(--sombra);transform:translateY(-2px);}
.card-img{aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden;}
.card-img img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:1.1rem 1.2rem;}
.card-body h3{font-size:1.02rem;margin:0 0 .3rem;}
.card-body span{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--acento);}
button.card{padding:0;margin:0;font:inherit;-webkit-appearance:none;appearance:none;}

/* article-style content on product pages */
.producto-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:start;}
.producto-media{position:sticky;top:6rem;}
.producto-foto{
  display:block;width:100%;padding:0;margin:0;border:1px solid var(--borde);border-radius:var(--radio);
  background:var(--bg-alt);cursor:zoom-in;overflow:hidden;text-align:center;
  font:inherit;-webkit-appearance:none;appearance:none;
}
.producto-foto img{
  max-width:100%;width:auto;height:auto;margin:0 auto;
  border-radius:0;border:0;display:block;
}
.producto-thumbs{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.8rem;}
.producto-thumb{
  width:72px;height:72px;padding:0;border:1px solid var(--borde);border-radius:var(--radio);
  overflow:hidden;cursor:zoom-in;background:var(--bg-alt);flex-shrink:0;
}
.producto-thumb img{width:100%;height:100%;object-fit:cover;}
.producto-thumb:hover,.producto-foto:hover{border-color:var(--acento);}
.producto-texto p{font-size:1.02rem;line-height:1.65;}
.features-list{list-style:none;display:flex;flex-direction:column;gap:.7rem;margin:1.6rem 0 2rem;}
.features-list li{
  display:flex;align-items:flex-start;gap:.7rem;font-size:.96rem;color:var(--texto);
  padding-left:0;
}
.features-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;background:var(--acento);margin-top:.45rem;border-radius:1px;
}

/* destacado band (HiperHouse en home) */
.destacado{background:var(--bg-inversa);color:#fff;position:relative;overflow:hidden;}
.destacado-inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;}
.destacado h2{color:#fff;}
.destacado .eyebrow{color:#ff9d9b;}
.destacado p{color:var(--acero-200);line-height:1.6;margin-bottom:1.6rem;}
.destacado-media{aspect-ratio:4/3;border-radius:var(--radio);overflow:hidden;border:1px solid var(--acero-700);}
.destacado-media img{width:100%;height:100%;object-fit:cover;}

/* obras realizadas grid + lightbox trigger */
.obras-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem;}
.obra-card{
  background:var(--bg-alt);border-radius:var(--radio);
  aspect-ratio:1/1;display:flex;flex-direction:column;justify-content:flex-end;
  padding:1.1rem;position:relative;overflow:hidden;cursor:pointer;border:0;
  text-align:left;width:100%;font:inherit;-webkit-appearance:none;appearance:none;
}
.obra-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.obra-card .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.75) 100%);}
.obra-card .swatch{position:absolute;inset:0;background:linear-gradient(160deg,var(--acero-200),var(--acero-400));}
.obra-card span{position:relative;font-family:var(--font-display);text-transform:uppercase;font-size:1rem;color:#fff;z-index:2;}
.obra-card small{position:relative;font-family:var(--font-mono);font-size:.7rem;color:var(--acero-100);text-transform:uppercase;letter-spacing:.05em;z-index:2;}

/* clientes */
.clientes-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.6rem 2.2rem;}
.cliente-chip{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;font-size:1.02rem;color:var(--texto-suave);opacity:.85;}

/* CTA final band */
.cta-final{background:linear-gradient(120deg,var(--rojo-marca),var(--rojo-marca-oscuro));color:#fff;text-align:center;}
.cta-final h2{color:#fff;}
.cta-final p{color:#ffe1e0;max-width:52ch;margin:0 auto 2rem;font-size:1.02rem;}
.cta-final .actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}

/* related products */
.relacionados{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.2rem;}

/* ========================= EMPRESA / CONTACTO ========================= */
.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.3rem;margin-top:2rem;}
.info-card{background:var(--superficie);border:1px solid var(--borde);border-radius:var(--radio);padding:1.5rem;}
.info-card .ico{font-size:1.5rem;color:var(--acento);margin-bottom:.7rem;display:block;}
.info-card h4{font-family:var(--font-display);text-transform:uppercase;font-size:1rem;margin:0 0 .4rem;}
.info-card p{font-size:.92rem;margin:0;}

.contacto-layout{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start;}
.form-group{margin-bottom:1.2rem;}
.form-group label{display:block;font-family:var(--font-mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--texto-suave);margin-bottom:.4rem;}
.form-group input,.form-group textarea{
  width:100%;padding:.75rem .9rem;border:1.5px solid var(--borde-fuerte);border-radius:var(--radio);
  background:var(--superficie);color:var(--texto);font-family:var(--font-body);font-size:.98rem;
}
.form-group input:focus,.form-group textarea:focus{border-color:var(--acento);outline:none;}
.form-group textarea{resize:vertical;min-height:120px;}
.form-nota{font-size:.82rem;color:var(--texto-suave);margin-top:.8rem;}
.mapa-embed{border:1px solid var(--borde);border-radius:var(--radio);overflow:hidden;aspect-ratio:4/3;}
.mapa-embed iframe{width:100%;height:100%;border:0;}

/* ========================= FOOTER ========================= */
footer.site-footer{background:var(--bg-inversa);color:var(--acero-400);}
.footer-top{padding:3.2rem 0;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.2rem;}
.footer-top img{height:36px;margin-bottom:1rem;filter:grayscale(1) brightness(2);}
.footer-top p{font-size:.87rem;line-height:1.6;color:var(--acero-400);}
.footer-col h4{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;font-size:.74rem;color:#fff;margin:0 0 1rem;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem;}
.footer-col a{color:var(--acero-400);text-decoration:none;font-size:.87rem;}
.footer-col a:hover{color:var(--acento);}
.footer-bottom{border-top:1px solid var(--acero-800);text-align:center;padding:1.1rem;font-size:.74rem;font-family:var(--font-mono);letter-spacing:.03em;}

/* ========================= WHATSAPP FLOAT ========================= */
.wa-float{
  position:fixed;right:1.4rem;bottom:1.4rem;z-index:200;
  background:#25D366;color:#fff;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,.3);text-decoration:none;
}
.wa-float svg{width:28px;height:28px;}

/* ========================= LIGHTBOX ========================= */
.lightbox{
  position:fixed;inset:0;background:rgba(10,11,12,.92);
  display:none;align-items:center;justify-content:center;
  z-index:500;padding:2.5rem 1.2rem;
}
.lightbox.abierto{display:flex;}
.lightbox img{max-width:min(94vw,1100px);max-height:82vh;border-radius:2px;box-shadow:0 20px 50px rgba(0,0,0,.5);}
.lightbox-close{
  position:absolute;top:1.2rem;right:1.2rem;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.3);
  width:44px;height:44px;border-radius:50%;font-size:1.3rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.lightbox-caption{
  position:absolute;bottom:1.4rem;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);color:var(--acero-200);font-size:.82rem;text-align:center;
}

/* ========================= RESPONSIVE ========================= */
@media(max-width:980px){
  .pillars{grid-template-columns:1fr;}
  .obras-grid{grid-template-columns:repeat(2,1fr);}
  .destacado-inner{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .producto-layout{grid-template-columns:1fr;}
  .producto-media{position:static;}
  .contacto-layout{grid-template-columns:1fr;}
  .hero{min-height:440px;}
}
@media(max-width:560px){
  .footer-top{grid-template-columns:1fr;}
  .obras-grid{grid-template-columns:1fr 1fr;}
  section{padding:3rem 0;}
  .wa-float{right:1rem;bottom:1rem;width:52px;height:52px;}
}