/* ══════════════════════════════════════════
   DESAFIARTE — WEB INSTITUCIONAL
   Hoja de estilos compartida por todas las páginas
   ══════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

:root{
  --rojo:#CC0000; --rojo-dark:#990000;
  --negro:#080808; --negro2:#111; --negro3:#1a1a1a;
  --blanco:#fff; --off:#f4f4f4;
  --gris1:#767676; --gris2:#4a4a4a; --linea:#e6e6e6; --linea-osc:#242424;
  --corte:34px; --corte-m:22px;
  --header-h:76px;
}

html{scroll-behavior:smooth;}
body{
  font-family:'DM Sans',sans-serif;color:var(--negro);background:var(--blanco);
  line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;
  position:relative;
}
body::before{
  content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;
  opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
h1,h2,h3{font-family:'Oswald',sans-serif;font-weight:700;letter-spacing:-.3px;}
.contenedor{max-width:1180px;margin:0 auto;padding-left:5vw;padding-right:5vw;}

/* ── UTILIDADES ── */
.sec-label{
  font-family:'Oswald',sans-serif;font-size:11px;font-weight:600;
  letter-spacing:2.5px;text-transform:uppercase;color:var(--rojo);
  display:flex;align-items:center;gap:9px;margin-bottom:14px;
}
.sec-label::before{
  content:'';width:12px;height:12px;flex-shrink:0;background:var(--rojo);
  border-radius:0 0 0 6px;
}
.sec-label.on-dark{color:var(--rojo);}

.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:'Oswald',sans-serif;font-weight:600;
  font-size:13px;letter-spacing:1px;text-transform:uppercase;
  padding:16px 30px;transition:background .25s,color .25s,border-color .25s,transform .25s,box-shadow .25s;
  position:relative;overflow:hidden;
}
.btn::after{
  content:'→';display:inline-block;transition:transform .25s ease;
}
.btn:hover::after{transform:translateX(4px);}
.btn:active{transform:scale(.97);}
.btn-rojo{background:var(--rojo);color:#fff;}
.btn-rojo:hover{background:var(--rojo-dark);transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(204,0,0,.5);}
.btn-outline{border:1px solid var(--negro);color:var(--negro);}
.btn-outline:hover{background:var(--negro);color:#fff;transform:translateY(-2px);}
.btn-outline-w{border:1px solid rgba(255,255,255,.4);color:#fff;}
.btn-outline-w:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px);}

.corte-br{border-bottom-right-radius:var(--corte);overflow:hidden;}
.corte-tl{border-top-left-radius:var(--corte);overflow:hidden;}
@media(max-width:768px){
  .corte-br{border-bottom-right-radius:var(--corte-m);}
  .corte-tl{border-top-left-radius:var(--corte-m);}
}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.on{opacity:1;transform:translateY(0);}

/* ══════════════════════════════════════════
   HEADER — barra institucional fija, NO hero de pantalla completa
   ══════════════════════════════════════════ */
header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  background:rgba(8,8,8,.96);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--linea-osc);
  display:flex;align-items:center;
}
.header-inner{
  width:100%;max-width:1280px;margin:0 auto;padding:0 5vw;
  display:flex;align-items:center;justify-content:space-between;
}
.logo-link img{height:24px;width:auto;}
nav.nav-principal ul{display:flex;gap:34px;align-items:center;}
nav.nav-principal a{
  font-family:'Oswald',sans-serif;font-size:12.5px;font-weight:500;
  letter-spacing:1px;text-transform:uppercase;color:#c9c9c9;
  padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;
}
nav.nav-principal a:hover,nav.nav-principal a.activa{color:#fff;border-color:var(--rojo);}
.nav-cta{
  font-family:'Oswald',sans-serif;font-size:12px;font-weight:600;letter-spacing:1px;
  text-transform:uppercase;background:var(--rojo);color:#fff;padding:10px 20px;
  transition:background .2s;
}
.nav-cta:hover{background:var(--rojo-dark);}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:22px;height:2px;background:#fff;display:block;}

@media(max-width:900px){
  nav.nav-principal{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;
    background:var(--negro);padding:40px 8vw;
    transform:translateY(-110%);transition:transform .35s ease;
    overflow-y:auto;
  }
  nav.nav-principal.abierta{transform:translateY(0);}
  nav.nav-principal ul{flex-direction:column;align-items:flex-start;gap:26px;}
  nav.nav-principal a{font-size:20px;}
  .nav-cta{margin-top:10px;}
  .nav-toggle{display:flex;}
}

/* ══════════════════════════════════════════
   PAGE HERO — banner compacto de cada página (NO 100vh)
   ══════════════════════════════════════════ */
.page-hero{
  background:var(--negro);color:#fff;
  padding:64px 0 56px;position:relative;overflow:hidden;
}
.page-hero .contenedor{position:relative;z-index:1;}
.page-hero h1{font-size:clamp(30px,4.2vw,52px);color:#fff;margin-bottom:14px;line-height:1.08;text-transform:uppercase;}
.page-hero p{font-size:16px;color:#a8a8a8;max-width:560px;}
.page-hero .marca-esquina{
  position:absolute;top:0;right:0;width:120px;height:120px;background:var(--rojo);
  border-radius:0 0 0 100%;opacity:.9;
}

/* HERO de Inicio — un poco más de aire que el resto, sigue sin ser 100vh */
.home-hero{
  background:var(--negro);color:#fff;padding:88px 0 76px;position:relative;overflow:hidden;
}
.home-hero .contenedor{
  position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:0 5vw;
}
.home-hero .contenedor>.reveal:first-child{max-width:560px;}
.home-hero h1{font-size:clamp(32px,4.6vw,58px);color:#fff;line-height:1.06;margin-bottom:20px;text-transform:uppercase;}
.home-hero h1 em{color:var(--rojo);font-style:normal;}
.home-hero p{font-size:16.5px;color:#aaa;max-width:480px;margin-bottom:32px;}
.home-hero .ctas{display:flex;gap:14px;flex-wrap:wrap;}
.home-hero-foto{
  position:absolute;inset:0;z-index:0;overflow:hidden;
}
@media(max-width:860px){
  .home-hero-foto{position:relative;width:100%;height:340px;margin-top:40px;order:2;inset:auto;}
  .home-hero .contenedor{display:flex;flex-direction:column;}
  .home-hero .contenedor>.reveal:first-child{max-width:none;}
}
.home-hero-foto img{width:100%;height:100%;object-fit:cover;filter:grayscale(15%) brightness(.85);}
.home-hero-foto img.img-err{display:none;}
.home-hero-foto video{width:100%;height:100%;object-fit:cover;display:block;}
.home-hero-foto::after{
  content:attr(data-ini);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:'Oswald',sans-serif;font-weight:700;font-size:100px;color:rgba(255,255,255,.06);pointer-events:none;
}

/* ══════════════════════════════════════════
   BREADCRUMB / franja de miga de pan institucional
   ══════════════════════════════════════════ */
.migas{background:var(--off);border-bottom:1px solid var(--linea);padding:14px 0;}
.migas .contenedor{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--gris1);}
.migas a{color:var(--gris1);}
.migas a:hover{color:var(--negro);}
.migas .actual{color:var(--negro);font-weight:600;}

/* ══════════════════════════════════════════
   SECCIONES DE CONTENIDO genéricas (flujo normal, no paneles de pantalla completa)
   ══════════════════════════════════════════ */
.sec{padding:76px 0;}
.sec.off{background:var(--off);}
.sec-head{max-width:640px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;line-height:1.1;}
.sec-head p{color:var(--gris1);font-size:15.5px;}
.logos-clientes{display:flex;flex-wrap:wrap;align-items:center;gap:40px;margin-top:36px;}
.logos-clientes img{height:38px;width:auto;max-width:140px;object-fit:contain;filter:grayscale(100%);opacity:.55;transition:opacity .2s,filter .2s;}
.logos-clientes img:hover{filter:grayscale(0%);opacity:1;}
@media(max-width:560px){.logos-clientes{gap:28px;}.logos-clientes img{height:30px;}}

/* Grid de 2 columnas texto/imagen, usado en varias páginas */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:36px;}}
.split img{width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--negro3);filter:grayscale(15%);}
.split.invertido{direction:rtl;}
.split.invertido>*{direction:ltr;}

/* Tarjetas genéricas (bios, pasos, etapas, testimonios) */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--linea);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--linea);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr;}}
.tarjeta{background:#fff;padding:34px 28px;transition:background .25s,transform .25s;}
.tarjeta:hover{transform:translateY(-4px);}
.tarjeta .num{font-family:'Oswald',sans-serif;font-size:13px;color:var(--rojo);font-weight:700;margin-bottom:14px;transition:transform .25s;}
.tarjeta:hover .num{transform:translateX(4px);}
.tarjeta h3{font-size:19px;margin-bottom:10px;}
.tarjeta p{font-size:14px;color:var(--gris2);}

/* Bandas de contraste (negro/off) — se usan como bloques normales dentro del flujo, no como "diapositivas" */
.banda-negra{background:var(--negro);color:#fff;padding:64px 0;}
.banda-negra h2{color:#fff;}
.banda-negra p{color:#a8a8a8;}

/* CTA final tipo banda, presente en varias páginas */
.cta-banda{
  background:var(--rojo);color:#fff;padding:52px 0;text-align:center;
}
.cta-banda h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:20px;}
.cta-banda .btn{background:#fff;color:var(--negro);}
.cta-banda .btn:hover{background:#eee;}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
footer{background:var(--negro);color:#8a8a8a;padding:56px 0 28px;}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;
  border-bottom:1px solid var(--linea-osc);
}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:32px;}}
.footer-logo img{height:22px;margin-bottom:16px;}
.footer-top p{font-size:13.5px;line-height:1.7;max-width:280px;}
.footer-col h4{
  font-family:'Oswald',sans-serif;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
  color:#fff;margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:13.5px;color:#8a8a8a;padding-bottom:2px;
  background-image:linear-gradient(var(--rojo),var(--rojo));background-size:0% 1px;
  background-repeat:no-repeat;background-position:0 100%;
  transition:color .2s,background-size .3s;
}
.footer-col a:hover{color:#fff;background-size:100% 1px;}
.footer-bottom{
  padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:#555;
}

/* ══════════════════════════════════════════
   COMPONENTES ESPECÍFICOS reutilizados entre páginas
   ══════════════════════════════════════════ */

/* Bios (Quiénes somos) */
.bio{display:grid;grid-template-columns:.7fr 1fr;gap:48px;align-items:start;padding:56px 0;}
.bio+.bio{border-top:1px solid var(--linea);}
.bio.bio-inv{grid-template-columns:1fr .7fr;}
.bio.bio-inv .bio-foto{order:2;}
.bio.bio-inv .bio-info{order:1;}
@media(max-width:768px){.bio,.bio.bio-inv{grid-template-columns:1fr;gap:24px;padding:40px 0;}.bio.bio-inv .bio-foto,.bio.bio-inv .bio-info{order:initial;}.bio-foto{max-width:340px;}}
.bio-foto{position:relative;aspect-ratio:3/4;background:var(--negro3);overflow:hidden;}
.bio-foto img{width:100%;height:100%;object-fit:cover;filter:grayscale(20%);}
.bio-foto img.img-err{display:none;}
.bio-foto::after{
  content:attr(data-ini);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:'Oswald',sans-serif;font-weight:700;font-size:70px;color:rgba(255,255,255,.35);pointer-events:none;
}
.bio-nombre{font-size:26px;margin-bottom:4px;}
.bio-rol{font-family:'Oswald',sans-serif;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--rojo);margin-bottom:16px;}
.bio-texto p{color:var(--gris2);font-size:14.5px;line-height:1.65;margin-bottom:12px;}

/* Etapas (Cómo trabajamos) */
.etapa{display:flex;gap:22px;padding:32px 0;border-top:1px solid var(--linea-osc);transition:padding-left .3s,border-color .3s;}
.etapa:hover{padding-left:12px;border-color:var(--rojo);}
.etapa:last-child{border-bottom:1px solid var(--linea-osc);}
.etapa .num{font-family:'Oswald',sans-serif;font-size:34px;font-weight:700;color:var(--rojo);min-width:56px;transition:transform .3s;}
.etapa:hover .num{transform:scale(1.12);}
.etapa h3{color:#fff;font-size:20px;margin-bottom:8px;}
.etapa p{color:#a0a0a0;font-size:14.5px;max-width:560px;}

/* Pasos (Diagnóstico) */
.pasos{counter-reset:paso;}
.paso{display:flex;gap:20px;padding:26px 0;border-top:1px solid var(--linea);transition:padding-left .3s;}
.paso:hover{padding-left:10px;}
.paso:last-child{border-bottom:1px solid var(--linea);}
.paso::before{
  counter-increment:paso;content:counter(paso);
  font-family:'Oswald',sans-serif;font-weight:700;font-size:15px;color:#fff;background:var(--rojo);
  width:34px;height:34px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  transition:transform .3s,border-radius .3s;
}
.paso:hover::before{transform:rotate(-8deg);border-radius:50%;}
.paso h3{font-size:16.5px;margin-bottom:6px;}
.paso p{font-size:14px;color:var(--gris2);}

/* Testimonios */
.testi-card{background:#fff;padding:30px 26px;display:flex;flex-direction:column;justify-content:space-between;min-height:230px;transition:transform .3s,box-shadow .3s;}
.testi-card:hover{transform:translateY(-5px);box-shadow:0 18px 34px -14px rgba(0,0,0,.25);z-index:2;position:relative;}
.testi-card.osc{background:var(--negro);color:#fff;}
.testi-card.osc:hover{box-shadow:0 18px 34px -14px rgba(0,0,0,.6);}
.testi-comilla{font-family:'Oswald',sans-serif;font-size:38px;font-weight:700;color:var(--rojo);line-height:1;margin-bottom:12px;transition:transform .3s;}
.testi-card:hover .testi-comilla{transform:scale(1.15) rotate(-4deg);}
.testi-texto{font-family:'Oswald',sans-serif;font-weight:500;font-size:16px;line-height:1.35;}
.testi-texto strong{color:var(--rojo);}
.testi-autor{display:flex;align-items:center;gap:10px;margin-top:20px;}
.testi-av{position:relative;width:36px;height:36px;border-radius:999px;overflow:hidden;border:2px solid var(--rojo);background:var(--negro3);flex-shrink:0;}
.testi-av img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1;}
.testi-av img.img-err{display:none;}
.testi-av::after{content:attr(data-ini);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:'Oswald',sans-serif;font-size:11px;color:rgba(255,255,255,.35);}
.testi-nombre{font-size:12px;font-weight:700;display:block;}
.testi-rol{font-size:10.5px;color:var(--gris1);}
.testi-card.osc .testi-rol{color:#888;}

/* Contacto — tipografía grande, sin formularios */
.contacto-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
@media(max-width:820px){.contacto-grid{grid-template-columns:1fr;gap:40px;}}
.contacto-item{padding:28px 0;border-top:1px solid var(--linea-osc);transition:padding-left .3s;}
.contacto-item:hover{padding-left:10px;}
.contacto-item:last-child{border-bottom:1px solid var(--linea-osc);}
.contacto-item .sec-label{margin-bottom:10px;}
.contacto-item a,.contacto-item span{
  font-family:'Oswald',sans-serif;font-size:clamp(20px,2.6vw,30px);font-weight:600;color:#fff;display:block;
  transition:color .2s;
}
.contacto-item a:hover{color:var(--rojo);}
.redes{display:flex;gap:18px;margin-top:8px;}
.redes a{
  font-family:'Oswald',sans-serif;font-size:13px!important;font-weight:500!important;text-transform:uppercase;
  letter-spacing:1px;color:#a8a8a8!important;border:1px solid #333;padding:10px 18px;
}
.redes a:hover{border-color:var(--rojo);color:#fff!important;}

/* Números destacados animados */
.stats{background:var(--off);padding:64px 0;border-top:1px solid var(--linea);border-bottom:1px solid var(--linea);}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--linea);}
@media(max-width:700px){.stats-grid{grid-template-columns:1fr;}}
.stat{background:var(--off);padding:20px 24px;text-align:center;}
.stat-num{
  font-family:'Oswald',sans-serif;font-weight:700;color:var(--rojo);
  font-size:clamp(40px,5.5vw,64px);line-height:1;display:block;margin-bottom:10px;
}
.stat-label{font-size:13.5px;color:var(--gris2);max-width:220px;margin:0 auto;line-height:1.4;}

/* Personitas del hero: parpadeo aleatorio + degradado de legibilidad sobre el texto */
.home-hero-foto .nodo-ola{animation-name:ola-color;animation-duration:6s;animation-timing-function:ease-in-out;animation-iteration-count:infinite;}
@keyframes ola-color{
  0%,88%,100%{fill:#E4E1D6;}
  8%,18%{fill:#CC0000;}
}
.home-hero-foto .nodo-fuente{animation-name:pulso-fuente;animation-duration:6s;animation-timing-function:ease-in-out;animation-iteration-count:infinite;transform-origin:center;transform-box:fill-box;}
@keyframes pulso-fuente{
  0%,88%,100%{transform:scale(1);}
  8%,18%{transform:scale(1.06);}
}
@media(prefers-reduced-motion:reduce){.home-hero-foto .nodo-ola,.home-hero-foto .nodo-fuente{animation:none;}}
.home-hero-velo{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(to right,var(--negro) 0%,rgba(8,8,8,.85) 38%,rgba(8,8,8,.45) 60%,rgba(8,8,8,.1) 85%);
}
@media(max-width:860px){.home-hero-velo{display:none;}}