:root{
  --azul-acero:#1E4E79;
  --azul-acero-oscuro:#163B5C;
  --gris-grafito:#404040;
  --negro:#111111;
  --fondo:#F7F8FA;
  --blanco:#FFFFFF;
  --borde:#E2E6EA;
  --font-display:'Montserrat',Helvetica,Arial,sans-serif;
  --font-body:'Roboto',Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;}

html{
  scroll-behavior:smooth;
  scroll-snap-type:y mandatory;
  scroll-padding-top:110px;
}

html,body{margin:0;padding:0;}
body{
  background:var(--fondo);
  color:var(--gris-grafito);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}

.gallery-page{
  width:min(100%, 1440px);
  min-height:100vh;
  margin:0 auto;
  padding:24px 28px 56px;
}

.gallery-topbar{
  position:sticky;
  top:0;
  z-index:10;
  display:flex;
  align-items:center;
  gap:28px;
  padding:12px 0 20px;
  background:linear-gradient(to bottom, rgba(247,248,250,1) 72%, rgba(247,248,250,0));
}

.back-btn{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:10px 16px;
  border:1px solid var(--azul-acero);
  border-radius:999px;
  background:var(--blanco);
  color:var(--azul-acero);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:700;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.back-btn svg{
  width:18px;
  height:18px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.back-btn:hover{
  background:var(--azul-acero);
  color:var(--blanco);
  transform:translateY(-1px);
}
.back-btn:focus-visible{
  outline:3px solid rgba(30,78,121,.25);
  outline-offset:3px;
}

.gallery-heading{min-width:0;}
.eyebrow{
  display:block;
  margin-bottom:4px;
  color:var(--azul-acero);
  font-family:var(--font-display);
  font-size:11px;
  font-weight:700;
  letter-spacing:1.8px;
  text-transform:uppercase;
}
.gallery-heading h1{
  margin:0;
  color:var(--negro);
  font-family:var(--font-display);
  font-size:clamp(22px,3vw,34px);
  line-height:1.15;
}

.gallery{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
}

.gallery-card{
  margin:0;

  min-height:calc(100vh - 110px);

  display:flex;
  flex-direction:column;
  justify-content:center;

  overflow:hidden;
  border:1px solid var(--borde);
  border-radius:14px;
  background:var(--blanco);
  box-shadow:0 8px 28px rgba(17,17,17,.07);

  scroll-snap-align:start;
  scroll-snap-stop:always;
  scroll-margin-top:110px;
}

.gallery-card img{
  display:block;
  width:auto;
  max-width:100%;

  height:auto;
  max-height:calc(100vh - 180px);

  margin:0 auto;

  object-fit:contain;
  background:#d6d3c9;
}

.gallery-card figcaption{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:18px;
  padding:16px 18px 18px;
}
.gallery-card strong{
  color:var(--negro);
  font-family:var(--font-display);
  font-size:14px;
  line-height:1.35;
}
.gallery-card span{
  flex:0 0 auto;
  color:#6c737a;
  font-size:13px;
}

@media (max-width:700px){
  .gallery-page{padding:12px 12px 34px;}
  .gallery-topbar{
    align-items:flex-start;
    gap:12px;
    padding:8px 0 14px;
  }
  .back-btn{
    min-width:44px;
    width:44px;
    padding:10px;
    justify-content:center;
  }
  .back-btn span{display:none;}
  .gallery-heading h1{font-size:21px;}
  .eyebrow{font-size:10px;letter-spacing:1.3px;}
  .gallery{gap:18px;}
  .gallery-card{border-radius:10px;}
  .gallery-card figcaption{
    align-items:flex-start;
    flex-direction:column;
    gap:5px;
    padding:13px 14px 15px;
  }
  .gallery-card strong{font-size:13px;}
  .gallery-card span{font-size:12px;}
}


/* =========================================================
   Acceso + visor 3D (model-viewer)
   ========================================================= */

.gallery-media{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:0;
}

.gallery-media > picture{
  display:flex;
  align-items:center;
  justify-content:center;

  width:100%;
  min-height:0;
}

.gallery-media > img,
.gallery-media > picture > img{
  display:block;

  width:auto;
  max-width:100%;

  height:auto;
  max-height:calc(100vh - 180px);

  margin:0 auto;

  object-fit:contain;
  background:#d6d3c9;
}



/*
.gallery-media > img{
  display:block;
  width:auto;
  max-width:100%;
  height:auto;
  max-height:calc(100vh - 180px);
  margin:0 auto;
  object-fit:contain;
  background:#d6d3c9;
}
*/

.model-trigger{
  position:absolute;
  top:19%;
  right:10%;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:5px;
  padding:8px 10px 7px;
  border:1px solid rgba(30,78,121,.28);
  border-radius:14px;
  background:rgba(255,255,255,.92);
  color:var(--azul-acero);
  box-shadow:0 7px 22px rgba(17,17,17,.16);
  cursor:pointer;
  backdrop-filter:blur(5px);
  -webkit-backdrop-filter:blur(5px);
  transform-origin:center;
  animation:modelHintPulse 1.05s ease-in-out infinite;
}

.model-trigger:hover{
  background:var(--blanco);
  transform:translateY(-2px) scale(1.04);
  animation-play-state:paused;
}

.model-trigger:focus-visible{
  outline:3px solid rgba(30,78,121,.28);
  outline-offset:4px;
}

.model-trigger-hand{
  display:block;
  font-size:34px;
  line-height:1;
  filter:drop-shadow(0 2px 2px rgba(0,0,0,.12));
  animation:modelHandBlink .72s steps(2,end) infinite;
}

.model-trigger-text{
  color:var(--azul-acero);
  font-family:var(--font-display);
  font-size:10px;
  font-weight:800;
  letter-spacing:.5px;
  line-height:1.1;
  text-transform:uppercase;
  white-space:nowrap;
}

.model-trigger.has-opened{
  animation:none;
}
.model-trigger.has-opened .model-trigger-hand{
  animation:none;
}

@keyframes modelHintPulse{
  0%,100%{box-shadow:0 7px 22px rgba(17,17,17,.16),0 0 0 0 rgba(30,78,121,.20);}
  50%{box-shadow:0 9px 28px rgba(17,17,17,.19),0 0 0 10px rgba(30,78,121,0);}
}

@keyframes modelHandBlink{
  0%,42%{opacity:1; transform:translateY(0) scale(1);}
  43%,63%{opacity:.20; transform:translateY(-2px) scale(.96);}
  64%,100%{opacity:1; transform:translateY(0) scale(1);}
}

body.model-open{
  overflow:hidden;
}

.model-modal[hidden]{
  display:none;
}

.model-modal{
  position:fixed;
  inset:0;
  z-index:1000;
  display:grid;
  place-items:center;
  padding:clamp(10px,2vw,24px);
  opacity:0;
  transition:opacity .18s ease;
}

.model-modal.is-open{
  opacity:1;
}

.model-modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(13,22,31,.72);
  backdrop-filter:blur(7px);
  -webkit-backdrop-filter:blur(7px);
}

.model-dialog{
  position:relative;
  z-index:1;
  width:min(1120px,96vw);
  height:min(820px,92vh);
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.32);
  border-radius:18px;
  background:var(--blanco);
  box-shadow:0 28px 80px rgba(0,0,0,.38);
  transform:translateY(14px) scale(.985);
  transition:transform .18s ease;
}

.model-modal.is-open .model-dialog{
  transform:translateY(0) scale(1);
}

.model-dialog-header{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:74px;
  padding:14px 16px 14px 20px;
  border-bottom:1px solid var(--borde);
}

.model-dialog-header h2{
  margin:0;
  color:var(--negro);
  font-family:var(--font-display);
  font-size:clamp(16px,2vw,22px);
  line-height:1.2;
}

.model-close{
  flex:0 0 auto;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border:1px solid var(--borde);
  border-radius:50%;
  background:#fff;
  color:var(--gris-grafito);
  font-family:Arial,sans-serif;
  font-size:31px;
  font-weight:300;
  line-height:1;
  cursor:pointer;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}

.model-close:hover{
  background:var(--azul-acero);
  color:#fff;
  transform:rotate(5deg);
}

.model-close:focus-visible{
  outline:3px solid rgba(30,78,121,.28);
  outline-offset:3px;
}

.model-viewer-wrap{
  position:relative;
  flex:1 1 auto;
  min-height:0;
  background:linear-gradient(145deg,#edf0f2,#d9dde1);
}


model-viewer{
  width:100%;
  height:100%;
  min-height:420px;
  background:transparent;
  --poster-color:transparent;
}

.model-status{
  position:absolute;
  left:50%;
  bottom:15px;
  transform:translateX(-50%);
  max-width:calc(100% - 30px);
  padding:8px 12px;
  border:1px solid rgba(255,255,255,.52);
  border-radius:999px;
  background:rgba(17,17,17,.68);
  color:#fff;
  font-size:12px;
  line-height:1.3;
  text-align:center;
  pointer-events:none;
  backdrop-filter:blur(5px);
  -webkit-backdrop-filter:blur(5px);
}

.model-status.is-error{
  background:rgba(126,31,31,.88);
}

@media (max-width:700px){
  .model-trigger{
    top:12%;
    right:6%;
    padding:7px 8px 6px;
    border-radius:12px;
  }
  .model-trigger-hand{font-size:29px;}
  .model-trigger-text{font-size:8px;}

  .model-modal{
    padding:8px;
  }
  .model-dialog{
    width:100%;
    height:94vh;
    border-radius:13px;
  }
  .model-dialog-header{
    min-height:64px;
    padding:10px 10px 10px 14px;
  }
  .model-dialog-header .eyebrow{
    display:none;
  }
  .model-dialog-header h2{
    padding-right:4px;
    font-size:15px;
  }
  .model-close{
    width:40px;
    height:40px;
    font-size:28px;
  }
  model-viewer{
    min-height:320px;
  }
  .model-status{
    bottom:10px;
    font-size:10px;
    border-radius:12px;
  }
}

@media (prefers-reduced-motion:reduce){
  .model-trigger,
  .model-trigger-hand,
  .model-modal,
  .model-dialog{
    animation:none !important;
    transition:none !important;
  }
}