:root{
  --bg:#080b0c;
  --paper:#f4f0eb;
  --ink:#171716;
  --white:#f7f5f1;
  --gold:#c38b42;
  --line:rgba(255,255,255,.18);
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  margin:0;min-width:320px;background:var(--bg);color:var(--white);
  font-family:Arial,Helvetica,sans-serif;
  -webkit-font-smoothing:antialiased;
}
button,a{-webkit-tap-highlight-color:transparent}
img{display:block;max-width:100%}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0
}
.skip-link{
  position:fixed;left:16px;top:-60px;z-index:1000;padding:12px 16px;
  background:white;color:black;text-decoration:none
}
.skip-link:focus{top:16px}
.site-header{
  position:fixed;left:0;right:0;top:0;z-index:80;height:82px;
  display:flex;align-items:center;padding:0 4.2vw;
  transition:background .45s ease,backdrop-filter .45s ease,border-color .45s ease;
  border-bottom:1px solid transparent
}
.site-header.is-scrolled{
  background:rgba(8,11,12,.86);backdrop-filter:blur(16px);
  border-color:rgba(255,255,255,.1)
}
.brand{
  color:white;text-decoration:none;display:grid;line-height:.85;
  min-width:112px
}
.brand-main{font-family:Georgia,serif;font-size:29px;letter-spacing:.08em}
.brand-sub{font-size:8px;letter-spacing:.56em;padding-left:3px;margin-top:8px}
.main-nav{
  margin-left:auto;display:flex;gap:clamp(18px,3.4vw,54px);align-items:center
}
.main-nav a{
  color:rgba(255,255,255,.78);text-decoration:none;text-transform:uppercase;
  font-size:clamp(10px,.72vw,12px);letter-spacing:.16em;white-space:nowrap;position:relative;
  transition:color .25s ease
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-8px;height:1px;
  background:var(--gold);transition:right .35s var(--ease)
}
.main-nav a:hover,.main-nav a.active{color:white}
.main-nav a.active::after{right:0}
.menu-button{display:none}
.progress{
  position:fixed;left:0;right:0;top:0;height:2px;z-index:100;background:transparent
}
.progress span{
  display:block;height:100%;width:0;background:var(--gold);
  transition:width .12s linear
}
.page-view{
  min-height:100svh;
  background:#07090a;
}
.image-shell{
  position:relative;
  width:100%;
  min-height:100svh;
  margin:0 auto;
  padding-top:82px;
  display:flex;
  justify-content:center;
  align-items:flex-start;
  background:#080b0c;
  overflow:visible;
}
.image-shell img{
  display:block;
  width:auto;
  height:auto;
  max-width:100%;
  max-height:none;
  object-fit:contain;
  object-position:center top;
  opacity:1;
  transform:none;
  transition:opacity .42s var(--ease);
}
.image-shell.is-changing img{opacity:.18}
.loading-veil{
  position:absolute;inset:0;background:#080b0c;opacity:0;pointer-events:none;
  transition:opacity .35s ease
}
.image-shell.is-changing .loading-veil{opacity:.24}
.semantic-content{
  position:absolute!important;width:1px!important;height:1px!important;
  padding:0!important;margin:-1px!important;overflow:hidden!important;
  clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important
}
.page-index{
  position:fixed;right:22px;top:50%;transform:translateY(-50%);
  z-index:60;display:grid;gap:10px
}
.page-index a{
  width:7px;height:7px;border-radius:50%;border:1px solid rgba(255,255,255,.5);
  background:transparent;transition:all .3s ease
}
.page-index a.active{
  background:var(--gold);border-color:var(--gold);transform:scale(1.45)
}
.bottom-controls{
  position:fixed;z-index:60;left:50%;bottom:18px;transform:translateX(-50%);
  display:flex;align-items:center;gap:22px;padding:10px 14px;
  border:1px solid rgba(255,255,255,.13);background:rgba(8,11,12,.72);
  backdrop-filter:blur(12px)
}
.bottom-controls button{
  border:0;background:none;color:rgba(255,255,255,.74);text-transform:uppercase;
  font-size:clamp(10px,.68vw,12px);letter-spacing:.16em;cursor:pointer
}
.bottom-controls button:hover{color:white}
.bottom-controls span{font-size:clamp(10px,.68vw,12px);letter-spacing:.14em;color:var(--gold)}
.contact-fab{
  position:fixed;right:22px;bottom:20px;z-index:61;color:white;text-decoration:none;
  padding:12px 15px;border:1px solid rgba(255,255,255,.2);
  background:rgba(8,11,12,.72);backdrop-filter:blur(12px);
  font-size:clamp(10px,.68vw,12px);letter-spacing:.1em;opacity:0;pointer-events:none;
  transform:translateY(8px);transition:all .35s var(--ease)
}
.contact-fab.is-visible{opacity:1;pointer-events:auto;transform:none}
.noscript{
  position:fixed;inset:0;z-index:999;background:#080b0c;color:white;
  display:grid;place-items:center;padding:24px;text-align:center
}
@media(max-width:980px){
  .site-header{height:70px;padding:0 22px}
  .brand-main{font-size:25px}
  .brand-sub{font-size:7px}
  .menu-button{
    margin-left:auto;display:grid;gap:6px;width:42px;height:42px;place-content:center;
    border:0;background:transparent;cursor:pointer
  }
  .menu-button span:not(.sr-only){display:block;width:22px;height:1px;background:white}
  .main-nav{
    position:fixed;inset:70px 0 auto 0;display:grid;gap:0;margin:0;
    background:rgba(8,11,12,.97);backdrop-filter:blur(18px);
    border-top:1px solid rgba(255,255,255,.1);
    transform:translateY(-120%);opacity:0;pointer-events:none;
    transition:transform .45s var(--ease),opacity .3s ease
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .main-nav a{
    padding:18px 22px;border-bottom:1px solid rgba(255,255,255,.08);
    font-size:10px
  }
  .main-nav a::after{display:none}
  .image-shell img{min-height:auto;object-fit:contain}
  .page-index{display:none}
  .bottom-controls{bottom:12px;gap:14px;width:max-content}
  .contact-fab{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}


/* =========================================================
   EPC GROUP v0.7 — REFINAMIENTO EDITORIAL Y DE EXPERIENCIA
   ========================================================= */

.intro{
  position:fixed;inset:0;z-index:1000;display:grid;place-items:center;
  background:#080b0c;opacity:1;visibility:visible;
  transition:opacity .9s var(--ease),visibility .9s var(--ease)
}
.intro.is-hidden{opacity:0;visibility:hidden}
.intro-mark{display:grid;text-align:center;line-height:.9;transform:translateY(8px)}
.intro-epc{
  font-family:Georgia,serif;font-size:clamp(52px,7vw,108px);
  letter-spacing:.08em;color:#f7f5f1
}
.intro-group{
  margin-top:18px;padding-left:.52em;font-size:10px;
  letter-spacing:.62em;color:rgba(255,255,255,.72)
}

.site-footer{
  position:relative;z-index:20;display:flex;justify-content:space-between;
  gap:20px;align-items:center;padding:22px 4.2vw;
  border-top:1px solid rgba(255,255,255,.1);
  background:#080b0c;color:rgba(255,255,255,.5);
  font-size:clamp(9px,.62vw,11px);letter-spacing:.14em;text-transform:uppercase
}

.page-view::after{
  content:"";position:fixed;inset:0;z-index:2;pointer-events:none;
  background:
    linear-gradient(to bottom,rgba(0,0,0,.18),transparent 13%,transparent 82%,rgba(0,0,0,.18)),
    linear-gradient(to right,rgba(0,0,0,.08),transparent 10%,transparent 90%,rgba(0,0,0,.08))
}

.image-shell img{
  animation:pageReveal .55s var(--ease) both;
}
@keyframes pageReveal{
  from{opacity:0}
  to{opacity:1}
}
  to{opacity:1;transform:scale(1)}
}

.main-nav a{
  padding:10px 0;
}

.bottom-controls{
  transition:opacity .35s ease,transform .35s ease;
}
body.is-idle .bottom-controls{
  opacity:.18;
  transform:translateX(-50%) translateY(8px)
}
body.is-idle .site-header{
  background:transparent;
  border-color:transparent;
  backdrop-filter:none
}

.contact-fab:hover{
  border-color:var(--gold);
  color:#f3c281
}

@media(max-width:980px){
  .site-footer{
    display:grid;justify-content:center;text-align:center;
    padding:20px 20px 98px
  }
  .page-view::after{display:none}
}

@media(prefers-reduced-motion:reduce){
  .intro{display:none}
}


/* =========================================================
   EPC GROUP — STAGE 2 CORREGIDO
   La fotografía conserva siempre su encuadre completo.
   ========================================================= */

@media (min-width:981px){
  .image-shell img{
    width:min(100%,1920px);
  }

  /* Las piezas verticales mantienen un tamaño editorial legible
     y pueden recorrerse mediante scroll sin perder información. */
  .image-shell img[src$="home.webp"],
  .image-shell img[src$="mirada.webp"],
  .image-shell img[src$="trayectoria.webp"],
  .image-shell img[src$="contacto.webp"]{
    width:min(100%,1024px);
  }
}

@media (max-width:980px){
  .image-shell{
    min-height:100svh;
    padding-top:70px;
    overflow:visible;
  }

  .image-shell img{
    width:100%;
    max-width:100%;
    min-height:0;
    object-fit:contain;
  }

  .main-nav a{
    font-size:12px;
    line-height:1.35;
  }

  .bottom-controls{
    padding:12px 16px;
    gap:18px;
  }

  .bottom-controls button,
  .bottom-controls span{
    font-size:11px;
  }
}

@media (max-width:600px){
  .site-header{
    height:64px;
    padding:0 16px;
  }

  .main-nav{
    inset:64px 0 auto 0;
  }

  .image-shell{
    padding-top:64px;
  }

  .brand-main{font-size:24px}
  .brand-sub{font-size:7px;letter-spacing:.48em}

  .bottom-controls{
    bottom:8px;
    width:calc(100% - 24px);
    justify-content:space-between;
  }

  .site-footer{
    padding-bottom:86px;
    font-size:10px;
    line-height:1.5;
  }
}

@media (orientation:landscape) and (max-height:600px){
  .site-header{height:58px}
  .image-shell{padding-top:58px}
  .main-nav{inset:58px 0 auto 0}
  .bottom-controls{bottom:6px}
}


/* =========================================================
   EPC GROUP — STAGE 3
   Un único menú: la cabecera fija.
   ========================================================= */

/* La cabecera principal permanece siempre visible. */
.site-header{
  position:fixed !important;
  top:0;
  left:0;
  right:0;
  z-index:1000;
}

/* Evita que una segunda navegación o cabecera heredada aparezca
   dentro del contenido al desplazarse. */
main .site-header,
.page-view .site-header,
.image-shell .site-header,
main .main-nav,
.page-view .main-nav,
.image-shell .main-nav,
main .top-nav,
.page-view .top-nav,
.image-shell .top-nav,
main .header,
.page-view .header,
.image-shell .header{
  display:none !important;
}

/* El contenido empieza una sola vez bajo la cabecera fija. */
.page-view,
.image-shell{
  scroll-margin-top:82px;
}

@media (max-width:980px){
  .page-view,
  .image-shell{
    scroll-margin-top:70px;
  }
}

@media (max-width:600px){
  .page-view,
  .image-shell{
    scroll-margin-top:64px;
  }
}


/* =========================================================
   EPC GROUP — STAGE 4
   Menú único + imágenes a sangre
   ========================================================= */

/* Solo existe la cabecera fija principal. */
.site-header{
  position:fixed !important;
  inset:0 0 auto 0;
  z-index:1000;
}

/* Ninguna navegación repetida puede reaparecer dentro del contenido. */
main nav,
.page-view nav,
.image-shell nav,
main header,
.page-view header,
.image-shell header{
  display:none !important;
}

/* Fotografía a sangre, sin efecto tarjeta. */
.page-view,
.image-shell,
.image-shell picture,
.image-shell img{
  border-radius:0 !important;
  box-shadow:none !important;
}

.page-view,
.image-shell{
  width:100% !important;
  max-width:none !important;
  margin-left:0 !important;
  margin-right:0 !important;
}

.image-shell{
  padding-left:0 !important;
  padding-right:0 !important;
}

.image-shell img{
  display:block;
  width:100% !important;
  max-width:100% !important;
  height:auto !important;
  object-fit:contain !important;
  object-position:center top !important;
}

/* Mantener el encuadre completo en cualquier pantalla. */
@media (min-width:981px){
  .image-shell img[src$="home.webp"],
  .image-shell img[src$="mirada.webp"],
  .image-shell img[src$="trayectoria.webp"],
  .image-shell img[src$="contacto.webp"]{
    width:min(100%,1024px) !important;
    margin-inline:auto !important;
  }
}

@media (max-width:980px){
  .image-shell img{
    width:100% !important;
    max-width:100% !important;
  }
}