/* ============================================================
   CONCIERTO_10_MARZO_2026.CSS
   Estilos exclusivos de la página del evento
   Estructura: navbar (base.css) → hero carrusel → descripción
               → video → collage → lightbox → footer (base.css)
   ============================================================ */

/* ===== LINK ACTIVO NAVBAR ===== */
.nav-activo { color: var(--color-dorado) !important; }
.nav-activo::after { width: 100% !important; }


/* ============================================================
   HERO CARRUSEL
   Pantalla completa con slides que se deslizan
   Fecha arriba, título centrado, barra de progreso abajo
   ============================================================ */
.hero-carrusel {
    position: relative;
    height: 100vh;
    min-height: 580px;
    overflow: hidden;
    background: #000;
}

/* Contenedor de slides */
.carrusel-slides {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* Cada slide */
.c-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1s ease, transform 6s ease;
    z-index: 1;
}

/* Slide activo */
.c-slide.activo {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

/* Overlay oscuro degradado */
.c-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.25) 0%,
        rgba(0, 0, 0, 0.15) 40%,
        rgba(0, 0, 0, 0.72) 100%
    );
    z-index: 3;
}

/* Breadcrumb arriba izquierda */
.c-breadcrumb {
    position: absolute;
    top: 100px;
    left: 5%;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.c-breadcrumb a {
    font-family: var(--fuente-cuerpo);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.3s ease;
}

.c-breadcrumb a:hover {
    color: var(--color-dorado);
}

.c-breadcrumb i {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.3);
}

.c-breadcrumb span {
    font-family: var(--fuente-cuerpo);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    font-weight: 400;
}

/* Contenido centrado sobre el carrusel */
.c-contenido {
    position: absolute;
    z-index: 5;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
    padding-top: 80px;
}

/* Fecha arriba del título */
.c-fecha {
    font-family: var(--fuente-cuerpo);
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-dorado);
    font-weight: 500;
    margin-bottom: 1.2rem;
    display: block;
}

/* Título principal */
.c-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 300;
    color: var(--color-blanco);
    line-height: 1.08;
    margin-bottom: 1.5rem;
}

.c-titulo em {
    font-style: italic;
    color: var(--color-dorado);
}

/* Tipo de evento debajo del título */
.c-tipo {
    font-family: var(--fuente-cuerpo);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.35rem 1.2rem;
    display: inline-block;
}

/* Puntos indicadores */
.c-dots {
    position: absolute;
    bottom: 2.8rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    gap: 0.5rem;
}

.c-dot {
    width: 28px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.3s ease, width 0.3s ease;
}

.c-dot.activo {
    background: var(--color-dorado);
    width: 44px;
}

/* Flechas de navegación */
.c-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-blanco);
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(4px);
}

.c-arrow:hover {
    background: rgba(205, 162, 22, 0.5);
    border-color: var(--color-dorado);
}

.c-arrow-izq { left: 2%; }
.c-arrow-der { right: 2%; }

/* Barra de progreso en la parte inferior */
.c-progreso {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.15);
    z-index: 5;
}

.c-progreso-barra {
    height: 100%;
    width: 0%;
    background: var(--color-dorado);
    transition: width 4s linear;
}

/* Responsive */
@media (max-width: 768px) {
    .c-titulo { font-size: 2.2rem; }
    .c-arrow  { display: none; }
    .c-breadcrumb { top: 90px; }
}


/* ============================================================
   SECCIÓN DESCRIPCIÓN
   Texto izquierda + ficha lateral derecha
   ============================================================ */
.seccion-descripcion {
    background: var(--color-blanco);
    padding: 5rem 0;
}

/* Título de la descripción */
.desc-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 400;
    color: var(--color-negro);
    line-height: 1.2;
    margin-bottom: 2rem;
}

.desc-titulo em {
    font-style: italic;
    color: var(--color-dorado);
}

/* Párrafos */
.desc-parrafo {
    font-family: var(--fuente-cuerpo);
    font-size: 0.95rem;
    color: #444;
    line-height: 1.9;
    font-weight: 300;
    margin-bottom: 1.2rem;
}

/* Ficha lateral */
.ficha-evento {
    background: var(--color-gris-claro);
    border: 1px solid rgba(0, 0, 0, 0.07);
    padding: 2rem;
    position: sticky;
    top: 100px;
}

.ficha-titulo {
    font-family: var(--fuente-cuerpo);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-gris-medio);
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

/* Cada fila de la ficha */
.ficha-fila {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    margin-bottom: 1.1rem;
}

.ficha-fila i {
    color: var(--color-dorado);
    font-size: 0.95rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.ficha-fila div {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.ficha-etiqueta {
    font-family: var(--fuente-cuerpo);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gris-medio);
    font-weight: 600;
}

.ficha-valor {
    font-family: var(--fuente-cuerpo);
    font-size: 0.88rem;
    color: var(--color-negro);
    font-weight: 300;
    line-height: 1.5;
}

/* Botón volver */
.ficha-btn-volver {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--fuente-cuerpo);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--color-blanco);
    background: var(--color-negro);
    padding: 0.7rem 1.3rem;
    text-decoration: none;
    margin-top: 1.5rem;
    width: 100%;
    justify-content: center;
    transition: background 0.3s ease;
    border: none;
    display: flex;
}

.ficha-btn-volver:hover {
    background: var(--color-rojo);
    color: var(--color-blanco);
}

@media (max-width: 992px) {
    .ficha-evento { position: static; }
}


/* ============================================================
   SECCIÓN VIDEO
   Fondo oscuro con video centrado
   ============================================================ */
.seccion-video {
    background: var(--color-negro);
    padding: 5rem 0;
}

/* Encabezado */
.video-encabezado {
    text-align: center;
    margin-bottom: 2.5rem;
}

.video-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    color: var(--color-blanco);
    margin: 0;
}

.video-titulo em {
    font-style: italic;
    color: var(--color-dorado);
}

/* Marco del video */
.video-marco {
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    max-width: 880px;
    margin: 0 auto;
}

/* Nota debajo del video */
.video-nota {
    font-family: var(--fuente-cuerpo);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.35);
    font-weight: 300;
    text-align: center;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.video-nota i {
    color: #ff0000;
    font-size: 0.9rem;
}

.video-nota a {
    color: var(--color-dorado);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: opacity 0.3s ease;
}

.video-nota a:hover {
    opacity: 0.7;
}


/* ============================================================
   SECCIÓN COLLAGE
   Mosaico de 5 imágenes: 1 grande + 4 pequeñas
   ============================================================ */
.seccion-collage {
    background: var(--color-gris-claro);
    padding: 5rem 0 6rem;
}

/* Encabezado */
.collage-encabezado {
    margin-bottom: 2.5rem;
}

.collage-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-negro);
    margin: 0;
}

.collage-titulo em {
    font-style: italic;
    color: var(--color-dorado);
}

/* Grid del mosaico
   Layout:
   [ GRANDE  ] [ P1 ] [ P2 ]
   [ GRANDE  ] [ P3 ] [ P4 ]
*/
.collage-mosaico {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 6px;
    height: 520px;
}

/* Celda base */
.collage-celda {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.collage-celda img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.55s ease;
}

.collage-celda:hover img {
    transform: scale(1.07);
}

/* Capa hover con ícono de zoom */
.collage-hover-capa {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.collage-celda:hover .collage-hover-capa {
    opacity: 1;
}

.collage-hover-capa i {
    font-size: 1.8rem;
    color: var(--color-blanco);
}

/* La primera celda ocupa las 2 filas de la izquierda */
.collage-grande {
    grid-row: 1 / 3;
}

/* Responsive: en tablet 2x2 + 1 debajo */
@media (max-width: 768px) {
    .collage-mosaico {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        height: auto;
    }
    .collage-grande {
        grid-row: auto;
        grid-column: 1 / 3;
        height: 240px;
    }
    .collage-celda {
        height: 180px;
    }
}

/* Responsive: en móvil 1 columna */
@media (max-width: 480px) {
    .collage-mosaico {
        grid-template-columns: 1fr;
    }
    .collage-grande {
        grid-column: 1;
        height: 220px;
    }
    .collage-celda {
        height: 180px;
    }
}


/* ============================================================
   LIGHTBOX
   Modal de imagen ampliada con navegación
   ============================================================ */
.lightbox-capa {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.94);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* Lightbox activo */
.lightbox-capa.activo {
    opacity: 1;
    pointer-events: all;
}

/* Imagen dentro del lightbox */
.lb-imagen-wrapper {
    max-width: 88vw;
    max-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lb-imagen-wrapper img {
    max-width: 100%;
    max-height: 88vh;
    object-fit: contain;
    display: block;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.8);
}

/* Botón cerrar */
.lb-cerrar {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-blanco);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
    z-index: 2;
}

.lb-cerrar:hover {
    background: var(--color-rojo);
    border-color: var(--color-rojo);
}

/* Botones de navegación */
.lb-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-blanco);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s ease;
    z-index: 2;
}

.lb-nav:hover {
    background: rgba(205, 162, 22, 0.4);
    border-color: var(--color-dorado);
}

.lb-prev { left: 1.5rem; }
.lb-next { right: 1.5rem; }

/* Contador de imágenes */
.lb-contador {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--fuente-cuerpo);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 400;
}

/* Responsive lightbox */
@media (max-width: 768px) {
    .lb-prev { left: 0.5rem; }
    .lb-next { right: 0.5rem; }
    .lb-nav  { width: 38px; height: 38px; }
}