:root{
  --bcp-blue: #0D3B66;
  --bcp-red:  #9F2724;
  --bcp-blue-strong: #0A2A4D;
  --bg:#ffffff;
  --card:#ffffff;
  --muted:#6b7280;
  --glass: rgba(255,255,255,0.72);
  --radius:12px;
  --shadow: 0 10px 30px rgba(16,24,40,0.06);
  --max-width:1200px;
  --gap:22px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* NAV full width */
.top-nav{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:60px;
  display:flex;
  align-items:center;
  z-index:1200;
  background:#fff;
  box-shadow:0 4px 20px rgba(0,0,0,0.05);
}
.top-nav .nav-inner{
  max-width:var(--max-width);
  margin:0 auto;
  width:100%;
  padding:0 20px;
}
.back-home{
  display:inline-block;
  font-weight:600;
  color:var(--bcp-blue);
  text-decoration:none;
}

/* CONTAINER (contenido centrado) */
.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:100px 20px 80px; /* top padding para dejar espacio al nav fijo */
  box-sizing:border-box;
  position:relative;
  z-index:2;
}

/* PAGE BACKGROUND: imagen SIN overlay, empieza justo debajo del navbar */
/* Usamos pseudo-elemento en body para colocar la imagen "full-bleed" comenzando en la base del navbar */
body.magneta-page{
  margin:0;
  color:#0b1220;
  -webkit-font-smoothing:antialiased;
  position:relative;
  background:transparent;
}

/* imagen de fondo real */
body.magneta-page::before{
  content:"";
  position:fixed;
  top:60px;
  left:0;
  width:100%;
  height:calc(100vh - 60px);

  background-image:url("../imgs/FONDO_MAGNETA_PROGRAM-01.png");
  background-position:center top;
  background-repeat:no-repeat;
  background-size:100% 100%;

  z-index:-1;
}

/* HERO: grid con texto a la izquierda y video a la derecha */
.hero{
  display:grid;
  grid-template-columns: 1fr 440px;
  gap:28px;
  align-items:center;
  padding:28px;
  border-radius:14px;
  background:var(--card);
  box-shadow:var(--shadow);
  border-top:4px solid var(--bcp-blue);
}

/* si pantalla pequeña: single column */
@media (max-width:960px){
  .hero{ grid-template-columns: 1fr; }
  .hero-media{ order: -1; /* poner video arriba en móvil si quieres */ }
}

/* hero texto */
.hero .kicker{ display:inline-block; font-weight:700; color:var(--bcp-blue); letter-spacing:0.6px; margin-bottom:6px; }
.title{ font-size:28px; font-weight:700; margin:6px 0; color:var(--bcp-blue-strong); }
.lead{ color:var(--muted); line-height:1.5; }

/* video y media */
.hero-media{ display:flex; align-items:center; justify-content:center; }
.hero-video{
  width:100%;
  height:auto;
  object-fit:contain; /* ocupa todo el recuadro (puede deformar según ratio) */
  border-radius:12px;
  display:block;
  background:#000;
}

/* CTA y botones */
.hero-cta{ margin-top:14px; }
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border-radius:10px;
  background:var(--bcp-blue);
  color:white;
  border:0;
  font-weight:700;
  cursor:pointer;
  text-decoration:none;
}
.btn.secondary{ background:var(--bcp-red); }

/* ghost / datasheet style: BCP blue outline */
.btn.ghost{
  background:transparent;
  border:2px solid var(--bcp-blue);
  color:var(--bcp-blue);
  padding:8px 12px;
  border-radius:10px;
  text-decoration:none;
}

/* GRID productos */
.products{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:var(--gap);
  margin-top:28px;
}

/* tarjeta producto (sólida, sin transparencias) */
.card{
  background:var(--card);
  border-radius:12px;
  padding:14px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:420px;
  position:relative;
  overflow:hidden;
}

/* imagen producto (control de ruta aquí) */
.product-model{
  width:100%;
  height:260px;
  object-fit:cover;
  border-radius:10px;
  background:#f5f5f5;
}

/* metadatos y estilos */
.meta{ display:flex; align-items:center; justify-content:space-between; }
.product-name{ font-weight:800; color:var(--bcp-blue-strong); }
.product-desc{ color:var(--muted); font-size:14px; }
.specs{ font-size:13px; color:var(--muted); margin-top:8px; }
.specs ul{ padding-left:18px; margin:6px 0; }

/* detalles panel */
.details{
  margin-top:32px;
  background:var(--card);
  border-radius:12px;
  padding:18px;
  display:grid;
  grid-template-columns:1fr 440px;
  gap:22px;
  align-items:start;
}

/* modal 3d (no tocar comportamiento) */
.model-modal{
  width:100%;
  height:75vh;
  background:#0b1220;
  border-radius:10px;
  display:block;
}
.modal{ position:fixed; inset:0; display:none; place-items:center; background:rgba(2,6,23,0.7); z-index:12000; padding:24px; }
.modal.open{ display:grid; }
.modal-card{
  width:min(1200px,96%);
  height:90vh;
  display:flex;
  flex-direction:column;
}
.modal-header{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.viewer-close{ font-size:20px; background:transparent; border:0; color:#fff; cursor:pointer; }

/* botón overlay view 3d pequeño */
.card .card-view3d{
  position:absolute;
  right:14px;
  top:14px;
  z-index:30;
  box-shadow:0 10px 26px rgba(0,0,0,0.12);
}

/* responsive */
@media (max-width:1000px){
  .products{ grid-template-columns: repeat(2, 1fr); }
  .details{ grid-template-columns: 1fr; }
}
@media (max-width:640px){
  .products{ grid-template-columns: 1fr; }
  .hero{ padding:18px; }
  .hero-video{ height:200px; }
}

.view-3d-btn{

  background:linear-gradient(180deg,var(--bcp-blue),var(--bcp-blue-strong));

  border-radius:10px;

  color:#fff;

  padding:6px 12px;

  font-size:13px;

  font-weight:700;

  border:none;

  cursor:pointer;

  box-shadow:0 6px 18px rgba(0,0,0,0.15);

  transition:transform .18s ease,box-shadow .18s ease;

}

.view-3d-btn:hover{

  transform:translateY(-2px);

  box-shadow:0 10px 28px rgba(0,0,0,0.18);

}