/* ======================================================================
   ARMAT — Páginas de proyecto (estilo compartido)
   Hereda los tokens del sitio principal, define layout específico de
   ficha técnica, hero de proyecto, galería y prev/next.
   ====================================================================== */

:root{
  /* Mismos tokens que el sitio principal */
  --bg:        #f2f2f2;
  --bg-2:      #e9e9e9;
  --bg-3:      #dedede;
  --line:      #c8c8c8;
  --line-2:    #adadad;
  --muted:     #424242;
  --ink-soft:  #1c1c1c;
  --ink:       #111111;
  --black:     #000000;
  --invert:    #0d0d0d;
  --invert-ink:#ededed;
  --accent:    #E5358C;
  --accent-soft:#F8DCEA;
  --accent-ink:#FFFFFF;
  --accent-warm:#ffff00;

  --font: "Montserrat", -apple-system, BlinkMacSystemFont,
          "Helvetica Neue", "Segoe UI", Helvetica, Arial, sans-serif;
  --font-display: "Montserrat", -apple-system, BlinkMacSystemFont,
                  "Helvetica Neue", "Segoe UI", Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:var(--bg)}
body{
  font-family:var(--font);
  color:var(--ink);
  background:transparent;
  font-weight:300;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  letter-spacing:.005em;
  position:relative;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-color:var(--bg);
  background-image:url('../img/texture.png');
  background-size:256px 256px;
  background-repeat:repeat;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{
  font-family:var(--font);
  font-weight:300;letter-spacing:-.012em;line-height:1.08;margin:0;color:var(--ink);
}
h1, h2{
  font-family:var(--font-display);
  font-weight:300;
  letter-spacing:-.022em;line-height:1.05;
}
h1 b, h2 b{
  font-weight:600;
  letter-spacing:-.025em;
}
p{margin:0 0 1em 0}

.eyebrow{
  text-transform:uppercase;letter-spacing:.32em;font-size:12px;
  color:var(--ink);font-weight:700;display:inline-flex;align-items:center;gap:14px;
}
.eyebrow::before{
  content:"";display:inline-block;width:24px;height:3px;background:var(--accent);flex-shrink:0;
}

.container{max-width:1360px;margin:0 auto;padding:0 56px}
@media (max-width:720px){.container{padding:0 22px}}

/* ---------- NAV — idéntico al sitio principal ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(0,0,0,.70);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, background .3s ease;
}
.nav.scrolled{
  background:rgba(0,0,0,.82);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:158px;transition:height .35s cubic-bezier(.2,.7,.2,1);
}
.nav.scrolled .nav-inner{height:96px}
.brand{display:flex;align-items:center}
.brand img{
  height:108px;width:auto;display:block;
  transition:height .35s cubic-bezier(.2,.7,.2,1);
}
.nav.scrolled .brand img{height:60px}
@media (max-width:900px){
  .brand img{height:72px}
  .nav.scrolled .brand img{height:48px}
  .nav-inner{height:108px}
  .nav.scrolled .nav-inner{height:78px}
}
@media (max-width:520px){
  .brand img{height:52px}
  .nav.scrolled .brand img{height:40px}
  .nav-inner{height:84px}
  .nav.scrolled .nav-inner{height:66px}
}
.nav ul{list-style:none;display:flex;gap:40px;margin:0;padding:0}
.nav ul a{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.78);font-weight:600;
  transition:color .2s ease;
}
.nav ul a:hover{color:#ffffff}
.nav .cta{
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;font-weight:700;
  padding:11px 22px;color:#ffffff;
  border:1px solid rgba(255,255,255,.55);
  background:rgba(0,0,0,.70);
  transition:transform .2s ease, box-shadow .2s ease;
  position:relative;
  animation: ctaPulse 3s ease-in-out infinite;
  will-change:background-color, color, border-color;
}
@keyframes ctaPulse{
  0%   { background:rgba(0,0,0,.70); color:#ffffff;            border-color:rgba(255,255,255,.55); }
  50%  { background:var(--accent-warm); color:#0a0a0a;          border-color:var(--accent-warm); }
  100% { background:rgba(0,0,0,.70); color:#ffffff;            border-color:rgba(255,255,255,.55); }
}
.nav .cta:hover{
  animation-play-state:paused;
  background:var(--accent); color:#ffffff; border-color:var(--accent);
  transform:translateY(-1px);
}
@media (prefers-reduced-motion: reduce){.nav .cta{animation:none}}
@media (max-width:900px){.nav ul{display:none}}

/* ---------- PROJECT HERO — altura fija 500px, foto proporcional ---------- */
.proj-hero{
  position:relative;overflow:hidden;color:#fff;
  display:flex;
  height:500px;
}
/* LEFT — panel con degradado (left .70 → right .84, +20% saturación) */
.proj-hero-text{
  position:relative;z-index:2;
  flex:1;
  background:linear-gradient(to right,
    rgba(0,0,0,.70) 0%,
    rgba(0,0,0,.84) 100%);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  display:flex;flex-direction:column;justify-content:center;
  padding:158px 56px 30px;
  /* sombra que cae sobre la imagen del lado derecho */
  box-shadow:
    18px 0 36px -8px rgba(0,0,0,.35),
    28px 0 64px -12px rgba(0,0,0,.28);
}
.proj-hero-text-inner{max-width:480px}
/* Back link — dentro del panel, no absolute */
.back{
  align-self:flex-start;
  font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:700;
  color:rgba(255,255,255,.85);
  display:inline-flex;align-items:center;gap:10px;
  margin-bottom:30px;
  transition:color .2s ease, transform .2s ease;
}
.back::before{content:"\2190";font-size:13px;letter-spacing:0;display:inline-block;transition:transform .25s ease}
.back:hover{color:#fff}
.back:hover::before{transform:translateX(-4px)}
.proj-hero-text .eyebrow{color:#fff}
.proj-hero-text .eyebrow::before{background:var(--accent)}
.proj-hero-text h1{
  font-size:clamp(34px, 3.6vw, 54px);
  font-weight:300;color:#fff;margin:18px 0 18px;
  letter-spacing:-.022em;line-height:1.06;
}
.proj-hero-text h1 b{font-weight:600;color:#fff}
.proj-hero-tag{
  font-size:15px;line-height:1.6;color:rgba(255,255,255,.88);
  margin:0 0 26px;font-weight:400;max-width:460px;
}
/* Single KPI — locations-only */
.proj-hero-meta{
  margin-top:24px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.20);
}
.proj-hero-meta strong{
  display:block;
  font-family:var(--font-display);font-weight:200;
  font-size:clamp(40px, 4.5vw, 64px);
  letter-spacing:-.025em;color:#fff;line-height:1;
  font-variant-numeric:tabular-nums;
}
.proj-hero-meta span{
  display:block;
  font-size:11px;letter-spacing:.28em;text-transform:uppercase;
  color:rgba(255,255,255,.7);font-weight:600;margin-top:10px;
}
/* Descripción compacta dentro del panel del hero — sustituye el brief */
.proj-hero-desc{
  margin-top:30px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.20);
}
.proj-hero-desc p{
  font-size:14px;line-height:1.6;color:rgba(255,255,255,.85);
  font-weight:400;margin:0 0 12px;
}
.proj-hero-desc p strong{font-weight:600;color:#fff}
.proj-hero-desc p:last-child{margin-bottom:0}
/* Ficha compacta inline en el hero */
.proj-ficha-hero{
  margin:24px 0 0;padding:20px 0 0;
  border-top:1px solid rgba(255,255,255,.20);
  display:flex;flex-direction:column;gap:10px;
}
.proj-ficha-hero .row{display:flex;flex-direction:column;gap:3px}
.proj-ficha-hero .row small{
  font-size:9px;letter-spacing:.32em;text-transform:uppercase;
  color:rgba(255,255,255,.55);font-weight:700;
}
.proj-ficha-hero .row strong{
  font-size:13px;font-weight:500;color:#fff;line-height:1.4;
}
/* RIGHT — UNA foto portrait. Altura 500px, ancho proporcional (aspect 4:5 → 400px) */
.proj-hero-media{
  position:relative;overflow:hidden;
  background:#0a0a0a;
  height:100%;
  aspect-ratio:4/5;
  flex-shrink:0;
}
.proj-hero-photos{
  width:100%;height:100%;
  display:block;
}
.proj-hero-photos img{
  width:100%;height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
}
/* Mobile: el panel de texto va PRIMERO con altura auto; foto abajo */
@media (max-width:980px){
  .proj-hero{flex-direction:column;height:auto}
  .proj-hero-text{flex:none;order:1;padding:140px 22px 30px}
  .proj-hero-text-inner{max-width:100%}
  .proj-hero-media{order:2;width:100%;height:auto;aspect-ratio:4/5;max-height:70vh}
}
@media (max-width:760px){
  .proj-hero-text{padding:120px 22px 30px}
}

/* ---------- PROJECT GRID — galería de proyectos abierta, genérica ---------- */
.proyectos-section{padding:90px 0 60px}
.proyectos-head{margin-bottom:48px;max-width:720px}
.proyectos-head h3{
  font-size:clamp(26px,2.6vw,38px);font-weight:200;
  letter-spacing:-.018em;margin-top:14px;line-height:1.15;
}
.proyectos-head p{
  font-size:16px;line-height:1.7;color:var(--ink-soft);
  font-weight:400;margin-top:18px;max-width:620px;
}
.proyectos-grid{
  display:grid;grid-template-columns:repeat(3, 1fr);gap:14px;
}
.proyecto-img{
  display:block;aspect-ratio:4/3;overflow:hidden;
  background:var(--bg-3);
  box-shadow:0 18px 36px -22px rgba(0,0,0,.22);
  transition:transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .5s ease;
}
.proyecto-img:hover{
  transform:translateY(-3px);
  box-shadow:0 38px 70px -22px rgba(0,0,0,.32);
}
.proyecto-img img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform 1.4s cubic-bezier(.2,.7,.2,1), filter .5s ease;
  filter:saturate(.97);
}
.proyecto-img:hover img{transform:scale(1.04);filter:saturate(1.03)}
@media (max-width:900px){
  .proyectos-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
  .proyectos-grid{grid-template-columns:1fr}
}

/* ---------- FICHA INLINE — sintetizada dentro del brief ---------- */
.proj-ficha{
  margin:36px 0 0;padding:24px 0 0;
  border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(2, 1fr);gap:18px 32px;
}
.proj-ficha .ficha-row{display:flex;flex-direction:column;gap:4px}
.proj-ficha small{
  font-size:10px;letter-spacing:.30em;text-transform:uppercase;
  color:var(--muted);font-weight:700;
}
.proj-ficha strong{
  font-size:15px;font-weight:500;color:var(--ink);line-height:1.4;
}
@media (max-width:520px){
  .proj-ficha{grid-template-columns:1fr;gap:14px}
}

/* ---------- PROCESO — 4 pasos ---------- */
.proj-process{padding:90px 0;border-top:1px solid var(--line)}
.process-head{margin-bottom:48px;max-width:680px}
.process-head h3{
  font-size:clamp(26px,2.6vw,38px);font-weight:200;
  letter-spacing:-.018em;margin-top:14px;line-height:1.15;
}
.process-steps{
  list-style:none;padding:0;margin:0;
  display:grid;grid-template-columns:repeat(4, 1fr);gap:36px;
  counter-reset: step;
}
.process-steps li{
  padding-top:28px;border-top:2px solid var(--ink);
  display:flex;flex-direction:column;gap:10px;
}
.process-steps li .step-num{
  font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--accent);font-weight:700;
}
.process-steps li h4{
  font-size:15px;letter-spacing:.06em;
  font-weight:700;color:var(--ink);margin:4px 0 0;line-height:1.2;
}
.process-steps li p{
  font-size:14px;line-height:1.6;color:var(--ink-soft);
  font-weight:400;margin:6px 0 0;
}
@media (max-width:820px){
  .process-steps{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:520px){
  .process-steps{grid-template-columns:1fr}
}

/* ---------- BRIEF — eyebrow + cuerpo, dos columnas tipo manifesto ---------- */
.brief{padding:120px 0 90px}
.brief-grid{
  display:grid;grid-template-columns:38.2% 61.8%;gap:64px;align-items:start;
}
.brief-grid .lead-col{order:1;position:sticky;top:140px;align-self:start}
.brief-grid .body-col{order:2}
.brief h2{
  font-size:clamp(26px, 2.6vw, 36px);
  font-weight:200;letter-spacing:-.015em;margin:14px 0 0;line-height:1.2;
}
.brief .body-col p{
  font-size:18px;line-height:1.78;color:var(--ink-soft);font-weight:400;
}
.brief .body-col p + p{margin-top:18px}
.brief .body-col p strong{font-weight:600;color:var(--ink)}
@media (max-width:820px){
  .brief{padding:84px 0 60px}
  .brief-grid{grid-template-columns:1fr;gap:32px}
  .brief-grid .lead-col{position:static;order:1}
  .brief-grid .body-col{order:2}
}

/* ---------- FICHA TÉCNICA — tabla minimal ---------- */
.ficha{padding:24px 0 90px}
.ficha-card{
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  padding:48px 56px;
  display:grid;grid-template-columns:repeat(3, 1fr);gap:48px 64px;
}
.ficha-card .row{display:flex;flex-direction:column;gap:6px}
.ficha-card .row small{
  font-size:10px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--muted);font-weight:700;
}
.ficha-card .row strong{
  font-family:var(--font-display);
  font-weight:500;font-size:20px;letter-spacing:-.005em;
  color:var(--ink);
  line-height:1.25;
}
@media (max-width:820px){
  .ficha-card{padding:32px 28px;grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:520px){
  .ficha-card{grid-template-columns:1fr}
}

/* ---------- GALLERY ---------- */
.gallery-section{padding:30px 0 110px}
.gallery-head{margin-bottom:48px;max-width:680px}
.gallery-head h3{
  font-size:clamp(24px,2.4vw,34px);
  margin-top:14px;font-weight:300;
}

/* Galería uniforme — 4 columnas iguales, mismo aspecto. Estilo Index */
.gallery{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.gallery figure{
  margin:0;overflow:hidden;
  background:var(--bg-3);
  aspect-ratio:4/3;
  box-shadow:
    0 30px 60px -24px rgba(0,0,0,.32),
    0 10px 20px -10px rgba(0,0,0,.16);
  position:relative;
  transition:transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .5s ease;
}
.gallery figure:hover{
  transform:translateY(-3px);
  box-shadow:
    0 60px 100px -20px rgba(0,0,0,.44),
    0 22px 36px -12px rgba(0,0,0,.24);
}
.gallery figure img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform 1.4s cubic-bezier(.2,.7,.2,1), filter .5s ease;
  filter:saturate(.96);
}
.gallery figure:hover img{transform:scale(1.06);filter:saturate(1.05)}

@media (max-width:1100px){.gallery{grid-template-columns:repeat(3,1fr);gap:18px}}
@media (max-width:760px){.gallery{grid-template-columns:repeat(2,1fr);gap:14px}}
@media (max-width:480px){.gallery{grid-template-columns:1fr;gap:14px}}

/* ---------- PREV/NEXT ---------- */
.prevnext{padding:40px 0 100px}
.prevnext-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.pn-card{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;
  background:var(--bg-3);
  transition:transform .5s ease, box-shadow .5s ease;
}
.pn-card:hover{transform:translateY(-3px);box-shadow:0 38px 70px -22px rgba(0,0,0,.34)}
.pn-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1.4s cubic-bezier(.2,.7,.2,1), filter .5s ease;
  filter:saturate(.95) brightness(.85);
}
.pn-card:hover img{transform:scale(1.04);filter:saturate(1.05) brightness(.95)}
.pn-card .pn-meta{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;color:#fff;
  background:linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,.55) 100%);
}
.pn-card .pn-meta small{
  font-size:10px;letter-spacing:.3em;text-transform:uppercase;
  color:rgba(255,255,255,.78);font-weight:700;margin-bottom:8px;
  display:flex;align-items:center;gap:10px;
}
.pn-card .pn-meta strong{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(22px,2.2vw,32px);letter-spacing:-.02em;line-height:1.1;
}
.pn-card.prev .pn-meta small::before{content:"\2190"}
.pn-card.next .pn-meta{align-items:flex-end}
.pn-card.next .pn-meta small::after{content:"\2192"}
@media (max-width:720px){
  .prevnext-grid{grid-template-columns:1fr}
}

/* ---------- CTA banda — al final del proyecto ---------- */
.proj-cta{padding:80px 0 110px;text-align:center}
.proj-cta .eyebrow{margin-bottom:20px}
.proj-cta h2{
  font-size:clamp(28px, 3.2vw, 48px);
  font-weight:300;margin:0 0 26px;letter-spacing:-.02em;line-height:1.12;
  max-width:920px;margin-left:auto;margin-right:auto;
}
.proj-cta h2 .thin{font-weight:300;color:var(--accent)}
.proj-cta a.cta{
  display:inline-block;margin-top:8px;
  font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:700;
  padding:14px 28px;
  border:1.5px solid var(--ink);background:var(--ink);color:#fff;
  transition:transform .2s ease, background .2s ease;
}
.proj-cta a.cta:hover{transform:translateY(-1px);background:var(--accent);border-color:var(--accent)}

/* ---------- FOOT (igual al sitio principal — banda oscura) ---------- */
.foot{
  background:var(--invert);color:#9a9a9a;
  padding:32px 0;
}
.foot-inner{
  max-width:1360px;margin:0 auto;padding:0 56px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
  font-size:11px;letter-spacing:.22em;font-weight:600;text-transform:uppercase;
}
.foot-inner a{color:#9a9a9a;transition:color .2s ease}
.foot-inner a:hover{color:var(--accent)}
.foot-mark img{height:22px;width:auto;opacity:.85}
@media (max-width:720px){.foot-inner{padding:0 22px}}

/* ---------- LIGHTBOX — popup full-screen para ver foto completa ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,.96);
  display:flex;align-items:center;justify-content:center;
  padding:40px;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
  cursor:zoom-out;
}
.lightbox.active{opacity:1;pointer-events:auto}
.lightbox img{
  display:block;
  max-width:100%;max-height:100%;
  width:auto;height:auto;
  object-fit:contain;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.lightbox-close{
  position:fixed;top:20px;right:24px;z-index:201;
  width:48px;height:48px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.30);
  color:#fff;font-size:24px;line-height:1;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease, border-color .2s ease;
  padding:0;
}
.lightbox-close:hover{background:rgba(255,255,255,.18);border-color:#fff}
.gallery img{cursor:zoom-in}
@media (max-width:560px){
  .lightbox{padding:20px}
  .lightbox-close{top:14px;right:14px;width:40px;height:40px;font-size:20px}
}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}