/* Propuesta C — «Tarjeta»: una sola tarjeta blanca sobre el azul corporativo. */
body{background:var(--vn-blue-700) radial-gradient(1200px 600px at 85% -10%,rgba(46,116,191,.55),transparent 60%);
  align-items:center;justify-content:center;padding:2.5rem var(--gutter)}
main{flex:none;width:100%;max-width:1080px}
.tarjeta{background:#fff;border-radius:var(--radius-xl);box-shadow:0 30px 80px rgba(0,20,40,.35);padding:2.5rem 3rem 3rem}
.arriba{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:1.75rem;border-bottom:1px solid var(--border-subtle)}
.arriba img{height:44px;width:auto}
.arriba nav{display:flex;gap:.25rem}
.arriba nav a{font-family:var(--font-display);font-weight:600;font-size:.9375rem;color:var(--text-strong);text-decoration:none;
  padding:.5rem .875rem;border-radius:var(--radius-pill);transition:background var(--dur-fast)}
.arriba nav a:hover{background:var(--vn-gray-50)}
.arriba nav a[aria-current="page"]{background:var(--vn-blue-50);color:var(--vn-blue-500)}

.cuerpo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:3rem;align-items:center;margin-top:2.5rem}
.marca-obras{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:600;font-size:.8125rem;
  color:var(--vn-blue-700);background:var(--vn-yellow-400);padding:.375rem .875rem;border-radius:var(--radius-pill)}
.cuerpo h1{text-wrap:balance;font-size:clamp(2rem,3.6vw,2.75rem);font-weight:800;margin-top:1.25rem}
.cuerpo .entrada{margin-top:1rem;font-size:1.0625rem}

.datos{list-style:none;margin:2rem 0 0;padding:0;display:grid;gap:.875rem}
.datos li{display:flex;align-items:center;gap:.875rem}
.datos .caja{width:40px;height:40px;border-radius:var(--radius-md);background:var(--vn-blue-50);color:var(--vn-blue-500);display:grid;place-items:center;flex:none}
.datos .caja .icono{width:18px;height:18px}
.datos a,.datos strong{font-family:var(--font-display);font-weight:600;color:var(--text-strong);text-decoration:none;line-height:1.35}
.datos a:hover{color:var(--vn-blue-500)}
.datos small{display:block;font-size:.8125rem;color:var(--text-muted);font-family:var(--font-body);font-weight:400}

.cuerpo .video{box-shadow:var(--shadow-lg)}
.video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.video[data-video] button{z-index:1}

/* Inicio: «Web en Construcción» en grande con dibujos de obra. */
.obras{text-align:center;margin-top:2.5rem}
.obras-titulo{display:flex;align-items:center;justify-content:center;gap:1.5rem}
.obras h1{font-size:clamp(2.25rem,5.4vw,4rem);font-weight:800;line-height:1.05;letter-spacing:-.02em;color:var(--vn-blue-700);text-wrap:balance}
.dibujo{display:block;flex:none}
.valla{width:88px;height:82px}
.lema{margin:1.25rem 0 0;font-family:var(--font-display);font-weight:700;
  font-size:clamp(.9375rem,1.6vw,1.1875rem);letter-spacing:.12em;text-transform:uppercase;color:var(--vn-blue-500)}
.cuerpo-inicio{padding-top:2.5rem;border-top:1px solid var(--border-subtle)}

.debajo{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;margin-top:1.5rem;padding:0 .5rem;
  font-size:.8125rem;color:var(--vn-blue-100)}
.debajo a{color:var(--vn-yellow-400);font-weight:600;text-decoration:none}
.debajo a:hover{text-decoration:underline}

.mapa{position:relative;aspect-ratio:16/11;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-subtle);background:var(--vn-gray-100);box-shadow:var(--shadow-md)}
.mapa iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

@media (max-width:900px){
  .cuerpo{grid-template-columns:1fr;gap:2rem}
  .tarjeta{padding:2rem}
  .valla{width:64px;height:60px}
  .cuerpo-inicio>div:last-child{order:-1}
  .obras-titulo{gap:1rem}
}
@media (max-width:640px){
  :root{--gutter:.75rem}
  body{padding:.75rem;justify-content:flex-start}
  .tarjeta{padding:1.25rem 1.25rem 1.75rem;border-radius:var(--radius-lg)}
  .arriba{padding-bottom:1.25rem}
  .arriba img{height:32px}
  .arriba nav a{padding:.5rem .625rem;font-size:.875rem}
  .cuerpo{margin-top:1.75rem}
  .debajo{flex-direction:column;padding:0 .25rem 1rem}
  .obras{margin-top:1.75rem}
  .obras-titulo{flex-wrap:wrap;gap:.5rem 1.25rem}
  .obras h1{order:1;flex:1 1 100%;font-size:2.375rem}
  .valla{width:56px;height:52px}
  .lema{letter-spacing:.08em;font-size:.875rem}
  .cuerpo-inicio{padding-top:1.75rem}
}