/* ============================================================
   GRUPO AMPERA — Identidad visual
   Negro #0A0A0A · Grafito #1C1C1C · Verde profundo #061F17
   Plata #C4C4C4 · Gris #A6A6A6 · Blanco #FFFFFF · Montserrat
   ============================================================ */

:root{
  --negro:#0A0A0A;
  --grafito:#1C1C1C;
  --verde:#061F17;
  --verde-hover:#0B3527;
  --verde-linea:#1E5B43;
  --plata:#C4C4C4;
  --gris:#A6A6A6;
  --blanco:#FFFFFF;
  --linea:rgba(196,196,196,.14);
  --sombra:0 24px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,1,.36,1);
  --nav-h:76px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:'Montserrat',Arial,sans-serif;
  background:var(--negro);
  color:var(--plata);
  font-weight:300;
  line-height:1.7;
  font-size:1rem;
  overflow-x:clip;
}
h1,h2,h3,h4{color:var(--blanco);font-weight:700;line-height:1.15}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
address{font-style:normal}
button{font-family:inherit}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:110px 0}
.section-alt{background:var(--grafito)}

/* ---------- Utilidades tipográficas ---------- */
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-size:.72rem;font-weight:600;letter-spacing:.38em;text-transform:uppercase;
  color:var(--gris);margin-bottom:20px;
}
.eyebrow::before{content:"";width:38px;height:1px;background:var(--verde-linea)}
.section-title{
  font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;
  letter-spacing:-.01em;margin-bottom:22px;max-width:24ch;text-wrap:balance;
}
.lead{color:var(--gris);max-width:640px;margin-bottom:56px}
.link-more{
  display:inline-flex;align-items:center;gap:10px;margin-top:30px;
  font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blanco);border-bottom:1px solid var(--verde-linea);padding-bottom:6px;
  transition:gap .3s var(--ease),border-color .3s var(--ease);
}
.link-more::after{content:"→"}
.link-more:hover{gap:16px;border-color:var(--blanco)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 34px;font-size:.82rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
  border:1px solid transparent;border-radius:2px;cursor:pointer;
  transition:background .35s var(--ease),border-color .35s var(--ease),color .35s var(--ease),transform .35s var(--ease);
}
.btn-solid{background:var(--verde);color:var(--blanco);border-color:var(--verde-linea)}
.btn-solid:hover{background:var(--verde-hover);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(196,196,196,.4);color:var(--blanco)}
.btn-ghost:hover{border-color:var(--blanco);transform:translateY(-2px)}
.btn-whatsapp{background:var(--verde);color:var(--blanco);border-color:var(--verde-linea);margin-top:34px}
.btn-whatsapp:hover{background:var(--verde-hover);transform:translateY(-2px)}
.btn-whatsapp svg{width:18px;height:18px}

/* ---------- Splash de entrada (escudo + iso) ---------- */
.splash{
  position:fixed;inset:0;z-index:300;background:var(--negro);
  display:flex;align-items:center;justify-content:center;
  clip-path:inset(0 0 0 0);
  transition:clip-path .9s var(--ease),visibility 0s .9s;
  /* Seguridad: si el JS falla, el splash se oculta solo a los 4.5 s */
  animation:splashSafety .01s 4.5s forwards;
}
.splash.is-out{clip-path:inset(0 0 100% 0);visibility:hidden;pointer-events:none}
.splash.is-skip{display:none}
.no-splash .splash{display:none}
@keyframes splashSafety{to{opacity:0;visibility:hidden;pointer-events:none}}
.splash-badge{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:30px;
}
.splash-iso{
  width:132px;height:auto;opacity:0;
  transform:translateY(14px) scale(.9);
  filter:drop-shadow(0 0 34px rgba(30,91,67,.45));
  animation:isoIn 1.1s var(--ease) .15s forwards;
}
@keyframes isoIn{
  0%{opacity:0;transform:translateY(14px) scale(.9)}
  60%{opacity:1}
  100%{opacity:1;transform:translateY(0) scale(1)}
}
/* Barrido de luz sobre el logo */
.splash-iso::after{content:""}
.splash-word{
  font-size:.72rem;font-weight:600;letter-spacing:.5em;text-transform:uppercase;
  color:var(--gris);white-space:nowrap;opacity:0;
  transform:translateY(8px);
  animation:splashWord .9s var(--ease) .75s forwards;
}
@keyframes splashWord{to{opacity:1;transform:translateY(0)}}

/* ---------- Header ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.header.is-solid{
  background:rgba(10,10,10,.92);
  border-bottom-color:var(--linea);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 24px;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header-logo img{width:180px;height:auto}
.header-nav{display:flex;align-items:center;gap:34px}
.header-nav a:not(.btn){
  font-size:.8rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--plata);position:relative;padding:6px 0;
  transition:color .3s var(--ease);
}
.header-nav a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--blanco);transform:scaleX(0);transform-origin:right;
  transition:transform .4s var(--ease);
}
.header-nav a:not(.btn):hover{color:var(--blanco)}
.header-nav a:not(.btn):hover::after{transform:scaleX(1);transform-origin:left}
.header-nav a.is-active{color:var(--blanco)}
.header-nav a.is-active::after{transform:scaleX(1);background:var(--verde-linea)}
.btn-nav{padding:11px 26px}
.header-burger{
  display:none;flex-direction:column;gap:6px;
  background:none;border:0;cursor:pointer;padding:8px;
}
.header-burger span{
  width:26px;height:2px;background:var(--blanco);
  transition:transform .35s var(--ease),opacity .35s var(--ease);
}
.header-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.header-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.header-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Hero de inicio (sin fotografía) ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;
  overflow:clip;
  background:
    radial-gradient(58% 72% at 82% 18%,rgba(11,53,39,.55),transparent 70%),
    radial-gradient(50% 60% at 8% 92%,rgba(6,31,23,.6),transparent 72%),
    linear-gradient(180deg,#0C0C0C 0%,var(--negro) 100%);
}
/* Imagen de fondo cinematográfica (edificio a la derecha) */
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;z-index:0;
  object-fit:cover;object-position:78% center;pointer-events:none;
  animation:heroZoom 24s var(--ease) infinite alternate;
}
@keyframes heroZoom{
  from{transform:scale(1) translate3d(0,0,0)}
  to{transform:scale(1.08) translate3d(-1.6%,0,0)}
}
/* Capa de efectos animados: luz volumétrica + resplandor verde que respira */
.hero-fx{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-fx::before{
  content:"";position:absolute;inset:-25%;
  background:radial-gradient(38% 48% at 68% 32%,rgba(196,196,196,.12),transparent 70%);
  animation:heroLight 17s ease-in-out infinite alternate;
}
@keyframes heroLight{
  from{transform:translate3d(-4%,-2%,0)}
  to{transform:translate3d(5%,3%,0)}
}
.hero-fx::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(46% 56% at 82% 55%,rgba(30,91,67,.30),transparent 70%);
  animation:heroPulse 7.5s ease-in-out infinite;
}
@keyframes heroPulse{0%,100%{opacity:.45}50%{opacity:1}}
/* Barrido de luz tipo escáner de plano (periódico) */
.hero::after{
  content:"";position:absolute;top:0;bottom:0;left:-30%;width:20%;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(196,196,196,.06),rgba(30,91,67,.06),transparent);
  filter:blur(6px);
  animation:heroSweep 11s ease-in-out infinite;animation-delay:3s;
}
@keyframes heroSweep{
  0%{left:-30%;opacity:0}
  12%{opacity:1}
  42%{left:112%;opacity:0}
  100%{left:112%;opacity:0}
}
/* Overlay que oscurece la IZQUIERDA para que el texto siempre se lea */
.hero-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.82) 26%,rgba(10,10,10,.42) 56%,rgba(10,10,10,.12) 82%,rgba(10,10,10,.05) 100%),
    linear-gradient(180deg,rgba(10,10,10,.35) 0%,rgba(6,31,23,.4) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(196,196,196,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,196,196,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(75% 75% at 40% 40%,#000 30%,transparent 100%);
  mask-image:radial-gradient(75% 75% at 40% 40%,#000 30%,transparent 100%);
}
.hero-iso{
  position:absolute;right:-6%;bottom:-4%;width:min(52vw,680px);z-index:1;
  opacity:.06;pointer-events:none;mix-blend-mode:screen;
  animation:isoFloat 12s ease-in-out infinite alternate;
}
@keyframes isoFloat{from{transform:translateY(0)}to{transform:translateY(-26px)}}
.hero-veil{
  position:absolute;inset:auto 0 0 0;height:220px;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent,var(--negro));
}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:150px 24px 110px;width:100%}
.hero-kicker{
  font-size:.75rem;font-weight:600;letter-spacing:.42em;text-transform:uppercase;
  color:var(--plata);margin-bottom:28px;
}
.hero-title{
  font-size:clamp(2.6rem,7vw,5.4rem);font-weight:800;
  letter-spacing:-.02em;line-height:1.04;text-wrap:balance;max-width:14ch;
}
.hero-title span{display:block}
.hero-title em{font-style:normal;color:var(--plata)}
.hero-sub{
  max-width:600px;margin:30px 0 0;color:var(--plata);
  font-size:1.02rem;font-weight:300;
}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:44px}
.hero-scroll{
  position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:2;
}
.hero-scroll-line{
  display:block;width:1px;height:54px;background:rgba(196,196,196,.5);
  overflow:hidden;position:relative;
}
.hero-scroll-line::after{
  content:"";position:absolute;inset:0;background:var(--blanco);
  animation:scrollHint 2.2s var(--ease) infinite;
}
@keyframes scrollHint{0%{transform:translateY(-100%)}55%{transform:translateY(0)}100%{transform:translateY(100%)}}

/* Animaciones de carga (hero) */
.load-fade,.load-rise{opacity:0;animation:loadFade 1s var(--ease) forwards;animation-delay:var(--d,0s)}
.load-rise{transform:translateY(34px);animation-name:loadRise}
@keyframes loadFade{to{opacity:1}}
@keyframes loadRise{to{opacity:1;transform:none}}

/* ---------- Encabezado de páginas interiores ---------- */
.page-hero{
  position:relative;padding:190px 0 90px;overflow:clip;
  background:
    radial-gradient(55% 90% at 88% 0%,rgba(11,53,39,.5),transparent 72%),
    linear-gradient(180deg,#0C0C0C 0%,var(--negro) 100%);
  border-bottom:1px solid var(--linea);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(196,196,196,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,196,196,.04) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(80% 100% at 50% 0%,#000 20%,transparent 100%);
  mask-image:radial-gradient(80% 100% at 50% 0%,#000 20%,transparent 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-title{
  font-size:clamp(2.3rem,5.5vw,3.8rem);font-weight:800;
  letter-spacing:-.02em;text-wrap:balance;max-width:20ch;
}
.page-sub{max-width:640px;color:var(--gris);margin-top:22px}
.year-badge{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.74rem;font-weight:700;letter-spacing:.26em;text-transform:uppercase;
  color:var(--blanco);background:var(--verde);border:1px solid var(--verde-linea);
  border-radius:2px;padding:8px 18px;margin-bottom:26px;
}
.year-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blanco);opacity:.85}

/* ---------- Barra de credibilidad ---------- */
.stats{
  background:var(--verde);
  border-top:1px solid var(--verde-linea);
  border-bottom:1px solid var(--verde-linea);
  padding:64px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center;
}
.stat{display:flex;flex-direction:column;gap:8px}
.stat-num{
  font-size:clamp(2.4rem,4.5vw,3.6rem);font-weight:800;color:var(--blanco);
  line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.stat-label{
  font-size:.74rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:var(--plata);
}

/* ---------- Splits ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.split-text p{margin-bottom:20px;max-width:56ch}
.quote{
  margin-top:34px;padding-left:22px;border-left:2px solid var(--verde-linea);
  font-size:1.12rem;font-weight:500;color:var(--blanco);font-style:italic;max-width:44ch;
}
.split-figure{position:relative}
.split-figure img{border-radius:3px;box-shadow:var(--sombra)}
.split-figure::before{
  content:"";position:absolute;inset:22px -22px -22px 22px;
  border:1px solid var(--verde-linea);border-radius:3px;z-index:-1;
}
.split-figure figcaption{
  margin-top:18px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gris);
}

/* ---------- Tarjetas de servicios (resumen) ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--negro);border:1px solid var(--linea);border-radius:3px;
  padding:42px 30px 38px;display:block;
  transition:transform .45s var(--ease),border-color .45s var(--ease),background .45s var(--ease);
}
.card:hover{
  transform:translateY(-8px);
  border-color:var(--verde-linea);
  background:linear-gradient(180deg,var(--verde) 0%,var(--negro) 130%);
}
.card-icon{width:44px;height:44px;color:var(--plata);margin-bottom:26px;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.05rem;font-weight:700;margin-bottom:14px}
.card p{font-size:.92rem;color:var(--gris)}
.sectors{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:52px;
  padding-top:40px;border-top:1px solid var(--linea);
}
.sectors span{
  font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--plata);border:1px solid var(--linea);border-radius:2px;
  padding:9px 18px;transition:border-color .3s var(--ease),color .3s var(--ease);
}
.sectors span:hover{border-color:var(--verde-linea);color:var(--blanco)}

/* ---------- Bloques de servicio (página Servicios) ---------- */
.service-block{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start;
  padding:64px 0;border-top:1px solid var(--linea);
}
.service-block:last-of-type{border-bottom:1px solid var(--linea)}
.service-head{display:flex;flex-direction:column;gap:18px}
.service-head .card-icon{margin-bottom:0}
.service-num{font-size:.78rem;font-weight:700;letter-spacing:.3em;color:var(--gris)}
.service-head h3{font-size:1.5rem}
.service-body p{color:var(--gris);margin-bottom:22px;max-width:58ch}
.service-list{list-style:none;display:grid;gap:12px}
.service-list li{
  display:flex;gap:14px;align-items:baseline;color:var(--plata);font-size:.95rem;
}
.service-list li::before{
  content:"";width:8px;height:8px;flex:none;transform:translateY(-1px);
  background:var(--verde);border:1px solid var(--verde-linea);
}

/* ---------- Proyectos (masonry, proporciones reales) ---------- */
.projects{columns:3;column-gap:26px}
.project{
  break-inside:avoid;margin-bottom:26px;
  background:var(--grafito);border:1px solid var(--linea);border-radius:3px;
  overflow:hidden;
  transition:transform .5s var(--ease),border-color .5s var(--ease);
}
.project:hover{transform:translateY(-6px);border-color:var(--verde-linea)}
.project-media{overflow:hidden}
.project-media img{
  width:100%;height:auto;
  transition:transform 1.1s var(--ease),filter 1.1s var(--ease);
}
.project:hover .project-media img{transform:scale(1.05);filter:brightness(1.08)}
.project figcaption{padding:26px 26px 30px}
.project-tag{
  display:inline-block;font-size:.66rem;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--plata);
  background:var(--verde);border:1px solid var(--verde-linea);border-radius:2px;
  padding:5px 12px;margin-bottom:16px;
}
.project h3{font-size:1.12rem;margin-bottom:10px}
.project p{font-size:.9rem;color:var(--gris);margin-bottom:16px}
.project-loc{
  display:flex;align-items:center;gap:9px;
  font-size:.74rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--plata);
}
.project-loc::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--verde-linea);flex:none;
}
/* Destacadas en inicio: 3 columnas fijas */
.projects-teaser{columns:3;column-gap:26px}

/* ---------- Clientes (cinta continua) ---------- */
.clients .lead{margin-bottom:40px}
.marquee{
  overflow:hidden;position:relative;padding:44px 0;
  border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);
}
.marquee-track{
  display:flex;width:max-content;
  animation:marquee 80s linear infinite;
}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-group{display:flex;align-items:center;gap:120px;padding-right:120px}
.marquee-group img{
  height:72px;width:auto;flex:none;opacity:.8;
  transition:opacity .3s var(--ease);
}
.marquee-group img:hover{opacity:1}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Directorio de clientes (página Clientes) ---------- */
.logo-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px;
}
.logo-cell{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  background:var(--grafito);border:1px solid var(--linea);border-radius:3px;
  padding:44px 22px 30px;text-align:center;
  transition:border-color .4s var(--ease),transform .4s var(--ease);
}
.logo-cell:hover{border-color:var(--verde-linea);transform:translateY(-5px)}
.logo-cell img{height:60px;width:auto}
.logo-cell span{
  font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gris);
}

/* ---------- Cobertura ---------- */
.split-map{align-items:center}
.coverage-list{list-style:none;margin-top:36px;display:grid;gap:22px}
.coverage-list li{
  display:grid;gap:6px;padding-left:20px;border-left:2px solid var(--verde-linea);
}
.coverage-list strong{
  color:var(--blanco);font-size:.78rem;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;
}
.coverage-list span{color:var(--gris);font-size:.95rem}
.map-card{
  background:linear-gradient(180deg,var(--grafito) 0%,var(--negro) 120%);
  border:1px solid var(--linea);border-radius:4px;padding:34px 30px 24px;
  box-shadow:var(--sombra);
}
.map-card img{width:100%}
.map-card figcaption{
  display:flex;align-items:center;gap:10px;margin-top:18px;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gris);
}
.map-dot{width:11px;height:11px;border-radius:2px;background:var(--verde);border:1px solid var(--verde-linea);display:inline-block}

/* ---------- Proceso ---------- */
.steps{
  list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  margin-top:56px;
}
.step{position:relative;padding-top:34px}
.step::before{
  content:"";position:absolute;top:0;left:0;right:-26px;height:1px;
  background:var(--linea);
}
.step:last-child::before{right:0}
.step::after{
  content:"";position:absolute;top:-4px;left:0;width:9px;height:9px;
  border-radius:50%;background:var(--verde-linea);
}
.step-num{
  font-size:.8rem;font-weight:700;letter-spacing:.3em;color:var(--gris);
  display:block;margin-bottom:14px;
}
.step h3{font-size:1.08rem;margin-bottom:12px}
.step p{font-size:.9rem;color:var(--gris)}

/* ---------- Compromisos / enfoque (página Nosotros) ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:56px}
.pillar{
  background:var(--negro);border:1px solid var(--linea);border-radius:3px;
  padding:40px 30px;
  transition:border-color .4s var(--ease),transform .4s var(--ease);
}
.pillar:hover{border-color:var(--verde-linea);transform:translateY(-5px)}
.pillar .step-num{margin-bottom:16px}
.pillar h3{font-size:1.1rem;margin-bottom:14px}
.pillar p{font-size:.92rem;color:var(--gris)}

/* ---------- Banda CTA ---------- */
.cta-band{
  background:
    radial-gradient(60% 120% at 85% 50%,rgba(11,53,39,.55),transparent 75%),
    var(--grafito);
  border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);
  padding:86px 0;
}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;max-width:22ch;text-wrap:balance}
.cta-band p{color:var(--gris);margin-top:10px;max-width:52ch}

/* ---------- Contacto ---------- */
.split-contact{align-items:start;gap:80px}
.contact-list{list-style:none;margin-top:36px;display:grid;gap:24px}
.contact-list li{display:grid;gap:4px}
.contact-list li>span{
  font-size:.7rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gris);
}
.contact-list a,.contact-list address{color:var(--blanco);font-size:1.05rem;font-weight:500}
.contact-list a:hover{color:var(--plata)}
.contact-form{
  background:var(--grafito);border:1px solid var(--linea);border-radius:3px;
  padding:46px 42px;display:grid;gap:22px;
}
.contact-form h3{font-size:1.25rem;margin-bottom:6px}
.contact-form label{
  display:grid;gap:9px;
  font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gris);
}
.contact-form input,.contact-form select,.contact-form textarea{
  font-family:inherit;font-size:.98rem;font-weight:400;color:var(--blanco);
  background:var(--negro);border:1px solid var(--linea);border-radius:2px;
  padding:14px 16px;width:100%;
  transition:border-color .3s var(--ease);
}
.contact-form textarea{resize:vertical;min-height:110px}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#5d5d5d}
.contact-form select:invalid{color:#5d5d5d}
.contact-form select option{color:var(--blanco);background:var(--negro)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--verde-linea);
}
.btn-form{width:100%}
.form-note{font-size:.78rem;color:var(--gris);line-height:1.6}
.link-privacy{
  background:none;border:0;color:var(--plata);cursor:pointer;
  font-size:inherit;text-decoration:underline;text-underline-offset:3px;padding:0;
}
.link-privacy:hover{color:var(--blanco)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--linea);padding:80px 0 36px;background:var(--negro)}
.footer-grid{
  display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:56px;
  padding-bottom:56px;border-bottom:1px solid var(--linea);
}
.footer-brand img{width:170px;height:auto;margin-bottom:22px}
.footer-brand p{font-size:.9rem;color:var(--gris);max-width:34ch}
.footer-nav{display:grid;gap:14px;align-content:start}
.footer-nav a{
  font-size:.78rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;
  color:var(--plata);transition:color .3s var(--ease);width:fit-content;
}
.footer-nav a:hover{color:var(--blanco)}
.footer-info{font-size:.9rem;color:var(--gris);display:grid;gap:14px;align-content:start}
.footer-info a{color:var(--plata)}
.footer-info a:hover{color:var(--blanco)}
.footer-legal{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  flex-wrap:wrap;padding-top:32px;
  font-size:.78rem;color:var(--gris);
}

/* ---------- Aviso de privacidad ---------- */
.privacy{
  max-width:640px;width:calc(100% - 48px);
  background:var(--grafito);color:var(--plata);
  border:1px solid var(--linea);border-radius:4px;padding:0;
}
.privacy::backdrop{background:rgba(10,10,10,.8);backdrop-filter:blur(4px)}
.privacy-inner{padding:44px 42px}
.privacy h2{font-size:1.3rem;margin-bottom:20px}
.privacy p{font-size:.9rem;margin-bottom:16px}
.privacy a{color:var(--blanco);text-decoration:underline;text-underline-offset:3px}
.privacy .btn{margin-top:10px}

/* ---------- Reveals al hacer scroll ---------- */
.reveal,.reveal-img{
  opacity:0;transform:translateY(36px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
  transition-delay:var(--d,0s);
}
.reveal-img{transform:translateY(48px)}
.reveal.is-visible,.reveal-img.is-visible{opacity:1;transform:none}
/* Defensa: nunca dejar invisible un elemento con split (regla obligatoria del stack) */
.reveal[data-split]{opacity:1;transform:none}

/* ---------- Transición de entrada entre páginas ---------- */
body{animation:pageIn .7s var(--ease) both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}

/* Transición suave entre secciones: velo luminoso que las une */
.section,.stats,.cta-band,.page-hero{position:relative}
.section + .section::before,
.section + .section-alt::before,
.section-alt + .section::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(1100px,88%);height:1px;
  background:linear-gradient(90deg,transparent,rgba(196,196,196,.28),transparent);
}

/* ---------- Luz y ligereza (acentos claros sobre el dark) ---------- */
.section-alt{
  background:
    radial-gradient(120% 80% at 50% 0%,rgba(255,255,255,.035),transparent 60%),
    var(--grafito);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.card,.pillar,.logo-cell,.contact-form{
  background:
    radial-gradient(120% 120% at 50% 0%,rgba(255,255,255,.04),transparent 55%),
    var(--grafito-2, #222222);
}
.card{background:radial-gradient(130% 120% at 50% 0%,rgba(255,255,255,.05),transparent 55%),#1a1a1a}
.eyebrow{color:var(--plata)}
.lead{color:#B7B7B7}
.stats{
  background:
    radial-gradient(90% 140% at 20% 0%,rgba(255,255,255,.06),transparent 60%),
    linear-gradient(180deg,#0A2A1F 0%,var(--verde) 100%);
}

/* ---------- Reduced motion: solo lo intrusivo ---------- */
@media (prefers-reduced-motion:reduce){
  .hero-bg{animation:none}
  .hero-fx::before,.hero-fx::after,.hero::after{animation:none}
  .hero::after{opacity:0}
  .hero-iso{animation:none}
  .marquee-track{animation-duration:160s}
  .splash-iso,.splash-word{animation-duration:.3s}
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .projects,.projects-teaser{columns:2}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:48px}
  .step::before{right:0}
  .pillars{grid-template-columns:1fr}
  .logo-grid{grid-template-columns:repeat(3,1fr)}
}

@media (max-width:900px){
  .section{padding:88px 0}
  .page-hero{padding:160px 0 70px}
  .split,.split-map,.split-contact{grid-template-columns:1fr;gap:52px}
  .split-figure{order:-1}
  .split-figure::before{display:none}
  .split-map .map-card{order:2}
  .service-block{grid-template-columns:1fr;gap:30px;padding:52px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:36px 20px}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .header-nav{
    position:fixed;inset:0;z-index:99;
    background:rgba(10,10,10,.97);
    flex-direction:column;justify-content:center;gap:30px;
    opacity:0;pointer-events:none;
    transition:opacity .4s var(--ease);
  }
  .header-nav.is-open{opacity:1;pointer-events:auto}
  .header-nav a:not(.btn){font-size:1.05rem}
  .header-burger{display:flex;position:relative;z-index:101}
  /* En móvil quitamos el desenfoque: en iOS crea un "contenedor" que recorta
     el menú fijo. Con fondo sólido, el panel cubre toda la pantalla. */
  .header.is-solid{
    -webkit-backdrop-filter:none;backdrop-filter:none;
    background:rgba(10,10,10,.96);
  }
  .header-logo{position:relative;z-index:101}
}

@media (max-width:640px){
  .cards{grid-template-columns:1fr}
  .projects,.projects-teaser{columns:1}
  .steps{grid-template-columns:1fr;row-gap:44px}
  .hero-inner{padding-top:130px}
  .hero-actions .btn{width:100%}
  /* En móvil: encuadre hacia el edificio con wireframe + más brillo para que se distinga,
     y overlay escalonado que mantiene el texto legible pero deja ver la imagen arriba y abajo */
  .hero-bg{object-position:63% center;filter:brightness(1.16) contrast(1.05)}
  .hero-overlay{background:linear-gradient(180deg,rgba(10,10,10,.46) 0%,rgba(10,10,10,.76) 30%,rgba(10,10,10,.68) 58%,rgba(6,31,23,.44) 100%)}
  .header-logo img{width:148px}
  .contact-form{padding:34px 24px}
  .privacy-inner{padding:34px 26px}
  .marquee-group{gap:70px;padding-right:70px}
  .marquee-group img{height:52px}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .logo-cell img{height:46px}
  .splash-badge{width:150px;height:165px}
  .splash-iso{width:74px}
}