/* Fuentes alojadas aqui en vez de Google Fonts: una visita ya no le comparte la IP
   a Google, sale un tercero de la ruta de render y el CSP se cierra. Solo el subset
   latin (cubre el espanol). "Archivo Expanded" no existe como familia: el ancho
   expandido es el eje wdth de Archivo, que aplican las reglas con font-stretch:125%.
   El archivo es la variable ya recortada a wght 400-800 y wdth 100-125. */
@font-face{font-family:'Archivo';font-style:normal;font-weight:400 800;font-stretch:100% 125%;font-display:swap;
  src:url('assets/fonts/archivo-latin-var.woff2') format('woff2');}
@font-face{font-family:'Space Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('assets/fonts/space-mono-400-latin.woff2') format('woff2');}
@font-face{font-family:'Space Mono';font-style:normal;font-weight:700;font-display:swap;
  src:url('assets/fonts/space-mono-700-latin.woff2') format('woff2');}
:root{
  --obsidian-950:#080F11;
  --obsidian-900:#0B1416;
  --obsidian-800:#10191C;
  --obsidian-700:#182225;
  --concrete-0:#FFFFFF;
  --concrete-50:#F5F6F6;
  --concrete-200:#DEE1E0;
  --concrete-300:#C5CAC9;
  --concrete-400:#9BA2A1;
  /* concrete-500 es el gris de las etiquetas mono, siempre sobre fondo oscuro.
     Era #6C7473 = 3.89:1 sobre obsidiana-900, por debajo del 4.5:1 que exige AA
     para texto de 10-11px. Aclarado a 4.86:1. Para texto sobre fondo claro va
     concrete-600, que no cambia. */
  --concrete-500:#7B8483;
  --concrete-600:#4B5251;
  --membrane-300:#93E8DC;
  --membrane-400:#4FD8C9;
  --membrane-500:#12C2B0;
  --membrane-600:#00A294;
  --membrane-700:#008C7F;
  /* Teal para texto sobre fondo claro: membrane-600 daba 2.94:1 y el 700, 3.83:1.
     Este llega a 4.83:1 sobre concreto-50. Solo para texto, no para fondos. */
  --membrane-800:#007A70;

  /* El ancho expandido de la marca es font-stretch:125% sobre Archivo, no una
     familia aparte. Toda regla que use --font-display debe declararlo tambien. */
  /* Etiquetas mono en mayuscula (11.5px a 16px de base). Un solo valor para las 18 reglas. */
  --fs-label:.71875rem;

  --font-display:'Archivo', sans-serif;
  --font-sans:'Archivo', sans-serif;
  --font-mono:'Space Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --radius-sm:4px;
  --radius-md:6px;
  --radius-lg:10px;

  --ease-out:cubic-bezier(.16,1,.3,1);
  --dur-base:200ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
/* El header sticky mide ~57px cuando esta compacto; sin esto el ancla deja el
   titulo de la seccion escondido detras de el. */
section[id],main[id]{scroll-margin-top:76px;}
html.intro-active,html.intro-active body{overflow:hidden;height:100%;}
body{
  margin:0;background:var(--obsidian-950);color:var(--concrete-50);
  font-family:var(--font-sans);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}
.skip-link{
  position:fixed;top:8px;left:8px;z-index:10000;transform:translateY(-200%);
  background:var(--membrane-500);color:var(--obsidian-950);
  font-family:var(--font-mono);font-size:0.75rem;letter-spacing:.06em;
  padding:11px 16px;border-radius:var(--radius-sm);
}
.skip-link:focus{transform:translateY(0);}
@keyframes psCue{0%,100%{transform:translateY(0);opacity:.5;}50%{transform:translateY(7px);opacity:1;}}

/* ---------- Intro splash ---------- */
.intro{
  position:fixed;inset:0;z-index:9999;background:var(--obsidian-950);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s ease;
}
.intro-logo{
  width:84px;height:84px;opacity:0;transform:scale(0.82);
  animation:introIn 1s var(--ease-out) forwards .1s;
}
.intro.intro-hide{opacity:0;pointer-events:none;}
@keyframes introIn{60%{opacity:1;transform:scale(1.04);}100%{opacity:1;transform:scale(1);}}

/* ---------- Reveal-on-scroll ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 420ms var(--ease-out),transform 420ms var(--ease-out);}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- Header ---------- */
.site{
  position:sticky;top:0;z-index:200;
  background:rgba(11,20,22,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow var(--dur-base) var(--ease-out);
}
.site.is-tight .site-bar{padding-top:10px;padding-bottom:10px;}
.site.is-tight{box-shadow:0 12px 34px rgba(0,0,0,.42);}
.site-seam{height:2px;background:linear-gradient(90deg,var(--membrane-700),var(--membrane-500),var(--membrane-300),var(--membrane-500),var(--membrane-700));background-size:100% 100%;}
.site-bar{
  max-width:1240px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:32px;
  transition:padding var(--dur-base) var(--ease-out);
}
.brand-link{display:flex;align-items:center;flex-shrink:0;}
.site-bar img{height:32px;width:auto;}
.site-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.site-nav a{
  font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.14em;
  text-transform:uppercase;color:var(--concrete-300);
}
.header-cta{
  display:flex;align-items:center;gap:9px;flex-shrink:0;min-height:44px;
  font-family:var(--font-mono);font-size:0.75rem;letter-spacing:.06em;color:var(--concrete-50);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);padding:9px 14px;
  transition:border-color var(--dur-base),color var(--dur-base),transform 140ms var(--ease-out);
}
.header-cta svg{width:15px;height:15px;flex-shrink:0;fill:var(--membrane-500);}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;flex-direction:column;justify-content:flex-end;
  overflow:hidden;background:var(--obsidian-950);
}
.hero-bg{
  position:absolute;top:-12%;left:0;right:0;height:124%;
  background-image:url('assets/hero-losa.webp');background-size:cover;background-position:center 40%;
  filter:grayscale(.4) contrast(1.06) brightness(.85);will-change:transform;
}
.hero-scrim-1{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,15,17,.94) 0%,rgba(8,15,17,.72) 34%,rgba(8,15,17,.9) 78%,var(--obsidian-950) 100%);}
.hero-scrim-2{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,15,17,.96) 0%,rgba(8,15,17,.55) 52%,rgba(0,140,127,.16) 100%);}
.hero-grid-bg{position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:88px 88px;}
.hero-inner{
  position:relative;max-width:1240px;width:100%;margin:0 auto;padding:150px 24px 40px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:56px;align-items:end;
}
.hero-copy{max-width:720px;}
/* El kicker vive dentro del h1 para que el titular contenga la keyword de servicio
   y el geo sin perder el eslogan de marca. Hay que resetear font-stretch, weight y
   tracking a mano porque el h1 los impone hacia abajo. */
.hero h1 .h1-kicker{
  display:flex;align-items:center;gap:12px;margin-bottom:26px;
  font-family:var(--font-mono);font-stretch:normal;font-weight:400;
  font-size:var(--fs-label);letter-spacing:.22em;line-height:1.5;
  text-transform:uppercase;color:var(--membrane-500);
}
.hero h1 .h1-kicker .rule{width:34px;height:1px;background:var(--membrane-500);flex-shrink:0;}
.hero h1{
  font-family:var(--font-display);font-stretch:125%;font-weight:800;font-size:clamp(2.125rem,8vw,4.625rem);
  line-height:1.02;letter-spacing:-.02em;margin:0;color:var(--concrete-0);text-wrap:balance;
}
.hero h1 em{font-style:normal;color:var(--membrane-500);}
.hero .sub{margin:28px 0 0;font-size:clamp(1rem,4vw,1.1875rem);line-height:1.6;color:var(--concrete-300);max-width:520px;text-wrap:pretty;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-tags span{
  font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.12em;text-transform:uppercase;color:var(--membrane-300);
  border:1px solid rgba(18,194,176,.35);background:rgba(18,194,176,.07);border-radius:var(--radius-sm);padding:7px 12px;
}
.hero-card{
  display:flex;flex-direction:column;align-items:stretch;gap:14px;
  background:rgba(11,20,22,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:22px;
  width:320px;max-width:100%;box-shadow:0 24px 60px rgba(0,0,0,.5);
  justify-self:end;
}
.hero-card-seam{height:2px;margin:-22px -22px 4px;border-radius:10px 10px 0 0;background:linear-gradient(90deg,var(--membrane-700),var(--membrane-500),var(--membrane-300));}
.hero-card > span{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.18em;text-transform:uppercase;color:var(--concrete-500);}
.hero-card .cta-btn{margin:0;}
.hero-card .cta-ghost{
  display:flex;align-items:center;justify-content:center;gap:9px;
  border:1px solid rgba(255,255,255,.2);color:var(--concrete-50);
  font-family:var(--font-sans);font-weight:600;font-size:0.90625rem;padding:13px 20px;border-radius:var(--radius-sm);
  transition:border-color var(--dur-base),color var(--dur-base),transform 140ms var(--ease-out);
}
.hero-card .note{font-family:var(--font-mono);font-size:var(--fs-label);line-height:1.6;letter-spacing:.05em;color:var(--concrete-500);text-align:center;}
.hero-cue{position:relative;max-width:1240px;width:100%;margin:0 auto;padding:0 24px 34px;display:flex;align-items:center;gap:14px;}
.hero-cue svg{width:16px;height:16px;stroke:var(--membrane-500);animation:psCue 2.4s ease-in-out 3 forwards;flex-shrink:0;}
.hero-cue span{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.18em;text-transform:uppercase;color:var(--concrete-500);}

/* ---------- Shared section header ---------- */
section{padding:72px 0;}
.eyebrow{display:block;font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.22em;text-transform:uppercase;color:var(--membrane-500);margin-bottom:16px;}
h2{font-family:var(--font-display);font-stretch:125%;font-weight:800;font-size:clamp(1.625rem,6vw,2.75rem);line-height:1.12;letter-spacing:-.018em;margin:0;color:var(--concrete-0);}
.lede{margin:0;font-size:0.96875rem;line-height:1.6;color:var(--concrete-400);text-wrap:pretty;}

/* ---------- Ficha técnica ---------- */
.ficha{background:var(--obsidian-950);border-top:1px solid rgba(255,255,255,.06);}
.ficha-head{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:48px;}
.ficha-head .lede{max-width:340px;}
.stats-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);overflow:hidden;
}
.stat{background:var(--obsidian-800);padding:32px 24px 28px;transition:background var(--dur-base) var(--ease-out);}
.stat .num{font-family:var(--font-mono);font-weight:700;font-size:clamp(1.875rem,6vw,3rem);line-height:1;color:var(--membrane-500);}
.stat .lbl{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.16em;text-transform:uppercase;color:var(--concrete-500);margin-top:14px;}

/* ---------- Comparativo ---------- */
.comparativo{background:var(--obsidian-900);}
.comparativo .lede{max-width:600px;margin-bottom:40px;}
.comp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.comp-card{border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-lg);background:var(--obsidian-800);padding:28px 24px 24px;}
.comp-card-title{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.16em;text-transform:uppercase;color:var(--concrete-500);margin:0 0 22px;font-weight:400;}
.comp-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid rgba(255,255,255,.07);}
.comp-row .k{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--concrete-500);}
.comp-row .v{font-size:0.875rem;color:var(--concrete-300);text-align:right;}
.comp-card.is-poly{
  position:relative;border-color:rgba(18,194,176,.45);
  background:linear-gradient(180deg,rgba(18,194,176,.09) 0%,var(--obsidian-900) 60%);
  box-shadow:0 0 0 1px rgba(18,194,176,.12),0 22px 50px rgba(0,0,0,.45);
}
.comp-card.is-poly::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:10px 10px 0 0;background:linear-gradient(90deg,var(--membrane-700),var(--membrane-500),var(--membrane-300));}
.comp-card.is-poly .comp-card-title{display:flex;align-items:center;gap:10px;color:var(--membrane-500);font-weight:700;}
.comp-card.is-poly .comp-card-title img{width:16px;height:auto;opacity:.9;}
.comp-card.is-poly .comp-row{border-top-color:rgba(18,194,176,.18);}
.comp-card.is-poly .comp-row .k{color:var(--concrete-300);}
.comp-card.is-poly .comp-row .v{color:var(--concrete-0);font-weight:600;}
.comparativo-close{
  margin:52px 0 0;font-family:var(--font-display);font-stretch:125%;font-weight:800;
  font-size:clamp(1.1875rem,4.5vw,1.875rem);line-height:1.25;letter-spacing:-.018em;
  color:var(--concrete-0);max-width:760px;text-wrap:pretty;
}
.comparativo-close em{font-style:normal;color:var(--membrane-500);}

/* ---------- En obra ---------- */
.obra{background:var(--obsidian-900);border-top:1px solid rgba(255,255,255,.06);}
.obra-head{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:28px;margin-bottom:44px;}
.obra-head .lede{max-width:640px;margin-top:14px;}
.obra-figs{display:flex;gap:32px;flex-shrink:0;}
.obra-fig-num{font-family:var(--font-mono);font-weight:700;font-size:1.75rem;color:var(--membrane-500);line-height:1;}
.obra-fig-lbl{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.14em;text-transform:uppercase;color:var(--concrete-500);margin-top:8px;}
.obra-gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:340px 220px;gap:14px;}
.obra-gallery figure{margin:0;position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.08);}
.obra-gallery img{width:100%;height:100%;object-fit:cover;transition:transform 250ms var(--ease-out);}
.obra-gallery .lg{grid-column:span 2;}

.obra-gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px;
  background:linear-gradient(180deg,transparent,rgba(8,15,17,.92));
  font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.12em;text-transform:uppercase;color:var(--concrete-50);
}
.obra-cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:36px;}

/* ---------- Cómo cotizamos ---------- */
.cotiza{background:var(--concrete-50);color:var(--obsidian-900);}
.cotiza .eyebrow{color:var(--membrane-800);}
.cotiza h2,.faq h2{color:var(--obsidian-900);}
.cotiza .lede{max-width:600px;margin-bottom:64px;color:var(--concrete-600);}
.cotiza-steps{position:relative;}
.cotiza-track{position:absolute;top:19px;left:0;right:0;height:2px;background:var(--concrete-200);}
.cotiza-fill{position:absolute;top:19px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--membrane-700),var(--membrane-500));transform-origin:left center;transform:scaleX(0);transition:transform 1100ms var(--ease-out);}
.cotiza-fill.is-grown{transform:scaleX(1);}
.cotiza-grid{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px;}
.cotiza-num{
  width:40px;height:40px;border-radius:50%;background:var(--obsidian-900);color:var(--membrane-500);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:0.8125rem;
  border:2px solid var(--concrete-50);
}
.cotiza-grid h3{display:block;font-family:var(--font-sans);font-size:1.1875rem;font-weight:600;margin:22px 0 8px;color:var(--obsidian-900);}
.cotiza-grid p{margin:0;font-size:0.9375rem;line-height:1.6;color:var(--concrete-600);text-wrap:pretty;}

/* ---------- FAQ ---------- */
.faq{background:var(--concrete-0);color:var(--obsidian-900);}
.faq-layout{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:56px;align-items:start;}
.faq-intro .lede{max-width:360px;color:var(--concrete-600);}
.faq-eyebrow{color:var(--membrane-800);}
.faq-card{margin-top:36px;max-width:380px;border:1px solid var(--concrete-200);border-radius:var(--radius-lg);background:var(--concrete-50);overflow:hidden;}
.faq-card-seam{height:3px;background:linear-gradient(90deg,var(--membrane-700),var(--membrane-500),var(--membrane-300));}
.faq-card-body{padding:24px;}
.faq-card-tag{display:block;font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.18em;text-transform:uppercase;color:var(--concrete-600);}
.faq-card p{margin:12px 0 20px;font-size:1rem;line-height:1.5;color:var(--obsidian-900);text-wrap:pretty;}
.faq-card-phone{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--concrete-200);}
.faq-card-phone .dot{width:7px;height:7px;border-radius:50%;background:var(--membrane-500);flex-shrink:0;}
.faq-card-phone span{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.12em;text-transform:uppercase;color:var(--concrete-600);}
.faq-list{display:flex;flex-direction:column;gap:2px;}
.faq-list details{border-bottom:1px solid var(--concrete-200);}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;
  padding:20px 0;font-family:var(--font-sans);font-weight:600;font-size:1.03125rem;color:var(--obsidian-900);
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary h3{margin:0;font:inherit;color:inherit;}
.faq-list summary .plus{font-family:var(--font-mono);color:var(--membrane-800);font-size:1.1875rem;flex-shrink:0;}
.faq-list p{margin:0 0 20px;font-size:0.9375rem;line-height:1.65;color:var(--concrete-600);max-width:640px;}

/* ---------- CTA final ---------- */
.final-cta{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--obsidian-950) 0%,var(--obsidian-900) 100%);padding:96px 0;
}
.final-cta-grid-bg{position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:88px 88px;}
.final-cta-glow{position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(18,194,176,.16) 0%,transparent 70%);}
.final-cta-inner{position:relative;max-width:1240px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:48px;align-items:end;}
.final-cta h2{font-size:clamp(1.75rem,7vw,3.25rem);line-height:1.08;margin:0 0 18px;}
.final-cta .sub{margin:0;font-size:1.03125rem;line-height:1.6;color:var(--concrete-400);max-width:480px;text-wrap:pretty;}
.final-cta-action{display:flex;flex-direction:column;align-items:center;gap:14px;justify-self:end;}
.final-cta-action span{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.16em;text-transform:uppercase;color:var(--concrete-500);}

/* ---------- CTA button (shared) ---------- */
.cta-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:11px;
  background:var(--membrane-500);color:var(--obsidian-950);
  font-family:var(--font-sans);font-weight:700;font-size:1rem;
  padding:16px 24px;border-radius:var(--radius-sm);
  transition:background var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),transform 140ms var(--ease-out);
  box-shadow:0 0 0 0 rgba(18,194,176,.4);
}
.cta-btn:active{transform:scale(.97);}
.cta-btn svg{width:19px;height:19px;flex-shrink:0;}
.cta-dark{background:var(--obsidian-900);color:var(--concrete-0);}

/* ---------- Footer ---------- */
footer{background:var(--obsidian-950);border-top:1px solid rgba(255,255,255,.07);padding:44px 0;}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.footer-inner img{height:30px;width:auto;opacity:.95;}
.footer-social{display:flex;align-items:center;gap:12px;}
.footer-social a{
  width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;transition:border-color var(--dur-base),transform 140ms var(--ease-out);
}
.footer-social svg{width:18px;height:18px;stroke:var(--concrete-300);}
.footer-legal{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:.16em;text-transform:uppercase;color:var(--concrete-500);}

/* ---------- FAB ---------- */
.fab{
  position:fixed;bottom:28px;right:20px;z-index:300;
  width:56px;height:56px;border-radius:50%;
  background:var(--membrane-500);color:var(--obsidian-950);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 34px rgba(0,0,0,.5),0 0 0 1px rgba(0,0,0,.28);
  /* visibility en la lista: el JS la alterna junto con opacity, y sin esto cambia de
     golpe y el fundido de salida nunca se ve. */
  transition:transform 260ms var(--ease-out),translate 260ms var(--ease-out),opacity 260ms var(--ease-out),visibility 260ms,scale 140ms var(--ease-out);
}
/* translate y no transform: el JS fija transform inline en escritorio y ganaria a esta regla. */
.fab svg{width:26px;height:26px;}

/* ================= Mobile ================= */
@media(max-width:860px){
  .site-nav{display:none;}
  /* el margin-left:auto vivia en .site-nav, que aqui se oculta */
  .header-cta{margin-left:auto;}
  .hero{min-height:auto;}
  /* 120px de padding sobre un header de 66px era 17% de la pantalla en blanco,
     y el gap de 56px separaba dos bloques que en una columna ya se leen seguidos. */
  .hero-inner{grid-template-columns:1fr;padding-top:80px;gap:24px;}
  .hero-card{justify-self:stretch;width:100%;margin-top:0;}
  .hero .sub{margin-top:18px;}
  .obra-head{flex-direction:column;align-items:flex-start;}
  .obra-gallery{grid-template-columns:repeat(2,1fr);grid-template-rows:260px 200px 200px;}
  .obra-gallery .lg{grid-column:1/-1;}
  .final-cta-inner{align-items:start;}
  .final-cta-action{justify-self:start;align-items:flex-start;}
}
/* Debajo de ~788px los tres pasos ya no caben en una fila (3x220 + 2x40 de gap =
   740px de grid, mas 48px de padding del wrap) y el auto-fit los apila, pero la
   linea de progreso seguia horizontal a top:19px: quedaba cruzada al lado del
   circulo "01", flotando sobre nada. Aqui se fuerza una sola columna y la linea
   se gira a vertical, alineada al centro de los circulos de 40px (20px menos el
   1px de la mitad del grosor de la linea). */
@media(max-width:800px){
  .cotiza-grid{grid-template-columns:1fr;gap:34px;}
  .cotiza-track,.cotiza-fill{top:0;bottom:0;left:19px;right:auto;width:2px;height:auto;}
  .cotiza-fill{
    background:linear-gradient(180deg,var(--membrane-700),var(--membrane-500));
    transform-origin:top center;transform:scaleY(0);
  }
  .cotiza-fill.is-grown{transform:scaleY(1);}
  .cotiza-num{position:relative;z-index:1;}
}
@media(max-width:520px){
  /* Cada px de aqui sube el boton de WhatsApp, que en un iPhone de 812 quedaba
     123px por debajo del pliegue. Medido: esto lo sube ~120px. */
  .hero h1 .h1-kicker{font-size:var(--fs-label);letter-spacing:.14em;margin-bottom:14px;}
  .hero-inner{padding-top:72px;}
  .hero-tags{margin-top:22px;}
  .hero-card{padding:18px;gap:12px;}
  .site-bar{gap:16px;padding-left:16px;padding-right:16px;}
  .site-bar img{height:26px;}
  .header-cta span{display:none;}
  .wrap{padding:0 18px;}
  section{padding:56px 0;}
  .obra-gallery{grid-template-columns:1fr;grid-template-rows:none;grid-auto-rows:220px;}
  .obra-gallery .lg{grid-column:auto;}
}

/* Hover solo donde hay hover de verdad: en iPhone se queda pegado tras tocar. Todo :hover
   nuevo va aqui adentro, no suelto. Va antes de :active para que el press gane. */
@media (hover:hover) and (pointer:fine){
  .site-nav a:hover{color:var(--membrane-500);}
  .header-cta:hover{border-color:var(--membrane-500);color:var(--membrane-500);}
  .hero-card .cta-ghost:hover{border-color:var(--membrane-500);color:var(--membrane-500);}
  .stat:hover{background:var(--obsidian-700);}
  .obra-gallery figure:hover img{transform:scale(1.04);}
  .cta-btn:hover{background:var(--membrane-600);box-shadow:0 0 0 4px rgba(18,194,176,.22);}
  .cta-dark:hover{background:var(--membrane-600);color:var(--obsidian-950);}
  .footer-social a:hover{border-color:var(--membrane-500);}
  .fab:hover{translate:0 -3px;}
  .e404-ghost:hover{border-color:var(--membrane-500);color:var(--membrane-500);}
  .e404-nav a:hover{text-decoration:underline;}
}
/* ---------- Detalles de interaccion ---------- */
/* Foco visible: con teclado, sobre fondo oscuro el outline por defecto casi no se ve.
   En las dos secciones claras el teal de marca no da contraste, va el 800. */
:focus-visible{outline:2px solid var(--membrane-500);outline-offset:3px;}
.cotiza :focus-visible,.faq :focus-visible{outline-color:var(--membrane-800);}
/* Press: lo que se toca tiene que responder al instante. El FAB usa la propiedad
   scale y no transform porque el JS le pone transform inline en escritorio. */
.header-cta:active,.hero-card .cta-ghost:active,.e404-ghost:active,.footer-social a:active{transform:scale(.97);}
.fab:active{scale:.94;}

/* ---------- Pagina 404 ---------- */
.e404{padding:140px 0 120px;background:var(--obsidian-950);min-height:52vh;}
.e404-title{
  font-family:var(--font-display);font-stretch:125%;font-weight:800;
  font-size:clamp(1.75rem,6vw,3rem);line-height:1.1;letter-spacing:-.018em;
  margin:0;color:var(--concrete-0);
}
.e404-lede{margin-top:18px;max-width:520px;}
.e404-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:36px;}
.e404-actions .cta-btn{margin:0;}
.e404-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border:1px solid rgba(255,255,255,.2);color:var(--concrete-50);
  font-family:var(--font-sans);font-weight:600;font-size:1rem;
  padding:16px 24px;border-radius:var(--radius-sm);
  transition:border-color var(--dur-base),color var(--dur-base),transform 140ms var(--ease-out);
}
.e404-ghost svg{width:19px;height:19px;flex-shrink:0;}
.e404-nav{
  margin:40px 0 0;font-family:var(--font-mono);font-size:var(--fs-label);
  letter-spacing:.1em;text-transform:uppercase;color:var(--concrete-500);
}
.e404-nav a{color:var(--membrane-500);}
@media(max-width:520px){
  .e404{padding:96px 0 80px;}
  .e404-actions{flex-direction:column;align-items:stretch;}
  .e404-ghost{width:100%;}
}

/* ---------- Reducir movimiento ---------- */
/* Va al final del archivo a proposito: estas reglas tienen la misma especificidad
   que las que sobreescriben, asi que solo ganan si van despues.
   Con "reducir movimiento" activado el JS de scroll sale temprano y nunca agrega
   .is-visible, asi que el estado final tiene que venir del CSS: sin esto la pagina
   entera se queda en opacity:0 y el visitante solo ve el fondo. */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  [data-reveal]{opacity:1;transform:none;transition:none;}
  .cotiza-fill{transform:scaleX(1);transition:none;}
  .intro-logo{opacity:1;transform:none;animation:none;}
  .hero-cue svg{animation:none;}
}