:root{
  --negro: #0a0a0a;
  --negro-suave: #121212;
  --blanco: #f2f1ee;
  --gris: #9a9994;
  --gris-oscuro: #55534c;
  --oro: #caa24d;
  --borde: #242320;
  --fuente-titular: "Arial Narrow", "Helvetica Neue Condensed", Arial, sans-serif;
  --fuente-texto: Arial, "Helvetica Neue", sans-serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--negro);
  color:var(--blanco);
  font-family:var(--fuente-texto);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;background:none;border:none;color:inherit;cursor:pointer;}
input,select{font-family:inherit;}

::selection{background:var(--oro);color:#000;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 48px;
  background:rgba(10,10,10,.88);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--borde);
}
.logo{display:flex;flex-direction:column;line-height:1.1;}
.logo-nombre{font-family:var(--fuente-titular);font-weight:700;font-size:22px;letter-spacing:2px;}
.logo-sub{font-size:10px;letter-spacing:2px;color:var(--oro);margin-top:2px;}
.pagina-portada .site-header{background:transparent;border-bottom:none;position:absolute;width:100%;}

.nav-principal{display:flex;gap:36px;font-size:13px;letter-spacing:2px;}
.nav-principal a{padding-bottom:6px;border-bottom:2px solid transparent;}
.nav-principal a.activo{color:var(--oro);border-color:var(--oro);}
.nav-deshabilitado{color:var(--gris-oscuro);cursor:default;}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px;}
.nav-toggle span{display:block;height:2px;background:var(--blanco);}
.nav-movil{
  display:none;flex-direction:column;
  position:fixed;left:0;right:0;z-index:39;
  background:var(--negro-suave);border-bottom:1px solid var(--borde);
}
.nav-movil:not([hidden]){display:flex;}
.nav-movil a{padding:16px 24px;border-bottom:1px solid var(--borde);font-size:14px;letter-spacing:2px;}
.nav-movil a:last-child{border-bottom:none;}

/* HERO / PORTADA */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 20%;}
.hero::after{
  content:"";position:absolute;inset:0;
  /* Degradado doble: uno horizontal (para que el texto de la izquierda
     siempre se lea) y uno vertical suave, para que cualquier fotografía
     aleatoria del archivo garantice contraste sin verse como una franja
     negra evidente. */
  background:
    linear-gradient(90deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.62) 40%, rgba(0,0,0,.2) 72%, rgba(0,0,0,.05) 100%),
    linear-gradient(0deg, rgba(0,0,0,.35) 0%, rgba(0,0,0,0) 30%);
}
.hero-contenido{position:relative;z-index:2;padding:0 48px;max-width:640px;}
.hero-titulo{
  font-family:var(--fuente-titular);
  font-weight:700;
  font-size:clamp(56px, 9vw, 108px);
  line-height:.92;
  letter-spacing:1px;
  margin:0;
}
.hero-linea{width:56px;height:2px;background:var(--oro);margin:24px 0;}
.hero-subtitulo{font-size:15px;letter-spacing:3px;color:var(--gris);margin:0 0 32px;}
.boton-entrar{
  display:inline-flex;align-items:center;gap:14px;
  border:1px solid var(--oro);color:var(--oro);
  padding:16px 26px;font-size:13px;letter-spacing:2px;
}
.boton-entrar:hover{background:var(--oro);color:#000;}
.hero-scroll{
  position:absolute;bottom:36px;left:0;right:0;z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  font-size:11px;letter-spacing:2px;color:var(--gris);
  cursor:pointer;
}
.hero-scroll:hover{color:var(--oro);}
.chevron{font-size:18px;}

/* MOSAICO ALEATORIO (bajo el hero, en portada) */
html{scroll-behavior:smooth;}
.mosaico{padding:64px 48px;}
.grid-mosaico{
  display:grid;grid-template-columns:repeat(6,1fr);gap:4px;
  margin-bottom:32px;
}
.mosaico-cta{
  display:block;text-align:center;color:var(--oro);
  font-size:13px;letter-spacing:2px;padding:8px;
}
.mosaico-cta:hover{opacity:.75;}

/* ÍNDICE DE MÚSICOS */
.cabecera-indice{padding:56px 48px 0;}
.cabecera-indice h1{
  font-family:var(--fuente-titular);font-weight:700;
  font-size:clamp(40px,6vw,64px);margin:0;letter-spacing:1px;
}
.linea{width:56px;height:2px;background:var(--oro);margin:18px 0;}
.descripcion-indice{color:var(--gris);font-size:15px;line-height:1.5;margin:0 0 20px;}
.contador{font-size:12px;letter-spacing:2px;color:var(--gris);margin-bottom:8px;}
.contador .oro{color:var(--oro);}

.controles-indice{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  padding:24px 48px;border-bottom:1px solid var(--borde);margin-bottom:8px;
}
#buscador{
  flex:1;min-width:220px;background:transparent;border:1px solid var(--borde);
  color:var(--blanco);padding:12px 16px;font-size:14px;letter-spacing:.5px;
}
#buscador::placeholder{color:var(--gris-oscuro);}
.filtros{display:flex;gap:12px;flex-wrap:wrap;}
.filtros select{
  background:var(--negro);border:1px solid var(--borde);color:var(--gris);
  padding:12px 14px;font-size:12px;letter-spacing:1.5px;
}

.grid-musicos{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--borde);
  margin:0 48px 48px;
}
.tarjeta-musico{
  position:relative;aspect-ratio:3/4;background:var(--negro-suave);overflow:hidden;display:block;
}
.tarjeta-img-wrap{position:absolute;inset:0;}
.tarjeta-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.tarjeta-musico:hover .tarjeta-img-wrap img{transform:scale(1.04);}
.tarjeta-musico::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.25) 45%, transparent 70%);
}
.tarjeta-info{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2;}
.tarjeta-info h2{font-family:var(--fuente-titular);font-size:20px;letter-spacing:.5px;margin:0 0 4px;font-weight:700;}
.tarjeta-banda{color:var(--oro);font-size:11px;letter-spacing:1.5px;margin:0 0 6px;}
.tarjeta-num{color:var(--gris);font-size:11px;letter-spacing:1px;margin:0;}
.sin-resultados{padding:0 48px 48px;color:var(--gris);}

/* ARCHIVO INDIVIDUAL */
.cabecera-archivo{padding:40px 48px 0;}
.migas{font-size:12px;letter-spacing:1.5px;color:var(--gris);margin:0 0 18px;}
.migas a{color:var(--oro);}
.cabecera-archivo-fila{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;}
.cabecera-archivo h1{
  font-family:var(--fuente-titular);font-weight:700;
  font-size:clamp(30px,5vw,52px);margin:0;letter-spacing:.5px;
}
.meta-musico{color:var(--gris);font-size:13px;letter-spacing:1.5px;margin:8px 0 0;}
.boton-compartir{
  border:1px solid var(--borde);padding:12px 18px;font-size:12px;letter-spacing:1.5px;color:var(--gris);white-space:nowrap;
}
.boton-compartir:hover{border-color:var(--oro);color:var(--oro);}
.contador-fotos{color:var(--oro);font-size:12px;letter-spacing:2px;margin:22px 0 0;}

.grid-fotos{
  display:grid;grid-template-columns:repeat(5,1fr);gap:6px;
  padding:20px 48px 32px;
}
.foto-item{padding:0;aspect-ratio:3/4;overflow:hidden;background:var(--negro-suave);}
.foto-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease, opacity .2s ease;}
.foto-item:hover img{transform:scale(1.03);}
.volver{display:block;text-align:center;padding:32px;color:var(--gris);font-size:13px;letter-spacing:1.5px;}
.volver:hover{color:var(--oro);}

/* VISOR A PANTALLA COMPLETA */
.visor{
  position:fixed;inset:0;background:#000;z-index:100;
  display:flex;align-items:center;justify-content:center;
}
.visor[hidden]{display:none;}
.visor-cabecera{
  position:absolute;top:0;left:0;right:0;z-index:2;
  display:flex;justify-content:space-between;align-items:flex-start;
  padding:22px 28px;font-size:12px;letter-spacing:1.5px;color:var(--gris);
  background:linear-gradient(to bottom, rgba(0,0,0,.7), transparent);
}
.visor-marca{display:flex;flex-direction:column;line-height:1.3;color:var(--blanco);}
.visor-marca-sub{color:var(--oro);font-size:10px;}
.visor-titulo{display:flex;flex-direction:column;align-items:center;text-align:center;}
.visor-contador{color:var(--gris);margin-top:2px;}
.visor-cerrar{font-size:20px;color:var(--blanco);}
.visor-cerrar:hover{color:var(--oro);}

.visor-imagen{max-width:92vw;max-height:88vh;object-fit:contain;user-select:none;}
.visor-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  font-size:34px;color:var(--gris);padding:16px;z-index:2;
}
.visor-nav:hover{color:var(--oro);}
.visor-anterior{left:8px;}
.visor-siguiente{right:8px;}

.visor-pie{
  position:absolute;bottom:0;left:0;right:0;z-index:2;
  display:flex;gap:22px;justify-content:center;flex-wrap:wrap;
  padding:18px;font-size:12px;letter-spacing:1px;color:var(--gris);
  background:linear-gradient(to top, rgba(0,0,0,.7), transparent);
}

/* RESPONSIVE */
@media (max-width: 900px){
  .site-header{padding:16px 20px;}
  .nav-principal{display:none;}
  .nav-toggle{display:flex;}
  .hero-contenido{padding:0 24px;}
  .cabecera-indice{padding:32px 20px 0;}
  .controles-indice{padding:20px;flex-direction:column;}
  .grid-musicos{grid-template-columns:repeat(2,1fr);margin:0 20px 32px;}
  .cabecera-archivo{padding:24px 20px 0;}
  .grid-fotos{grid-template-columns:repeat(3,1fr);gap:4px;padding:16px 20px 24px;}
  .visor-cabecera{padding:16px;font-size:11px;}
  .visor-pie{font-size:11px;gap:14px;padding:14px;}
  .visor-nav{font-size:26px;padding:10px;}
  .mosaico{padding:40px 20px;}
  .grid-mosaico{grid-template-columns:repeat(4,1fr);gap:3px;}
  .grid-mosaico .foto-item:nth-child(n+9){display:none;} /* 8 fotos en móvil, no 12 */
}
@media (max-width: 520px){
  .grid-fotos{grid-template-columns:repeat(2,1fr);}
  .hero-titulo{font-size:15vw;}
}