/* =========================================================================
   WIZAY - BOOK FOTOGRÁFICO (Galería Editorial y Lightbox)
   Ubicación: /css/book.css
   ========================================================================= */

#book {
    background-color: var(--color-beige);
    color: var(--color-oscuro);
    padding: clamp(80px, 12vh, 150px) 20px;
}

.book-contenedor {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.book-titulo {
    margin-bottom: 15px;
}

.book-descripcion {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-oscuro);
    margin-bottom: 26px;
    text-wrap: balance;
}

.galeria-grid {
    counter-reset: foto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: clamp(15px, 2.5vw, 25px);
    margin-top: clamp(30px, 5vh, 50px);
}

.galeria-item {
    counter-increment: foto;
    position: relative;
    border-radius: 4px;
    aspect-ratio: 3 / 4;
    background: rgba(18, 18, 18, 0.05);
    cursor: zoom-in;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: scale(0.6) translateY(40px);
    transition: opacity 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.galeria-item.pop-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.galeria-img-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 4px;
    position: relative;
    z-index: 1;
}

.galeria-img-wrapper picture {
    display: block;
    width: 100%;
    height: 100%;
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.6s ease;
}

.marco-animado {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    opacity: 0.5;
    transition: opacity 0.3s ease;
    overflow: visible;
}

.marco-animado rect {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--color-naranja-trazo);
    stroke-width: 2px;
    stroke-dasharray: 6, 6;
    rx: 4px;
    transition: stroke-dashoffset 0.3s ease;
}

.galeria-item:hover img,
.galeria-item:active img {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.08);
}

.galeria-item:hover .marco-animado,
.galeria-item:active .marco-animado {
    opacity: 1;
}

.galeria-item:hover .marco-animado rect,
.galeria-item:active .marco-animado rect {
    animation: caminarPuntos 0.6s linear infinite;
}

@keyframes caminarPuntos {
    to { stroke-dashoffset: -12; }
}


/* ---- Cabecera: contador entre hilos de puntos ---- */
.book-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 0 auto;
    max-width: 420px;
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    font-weight: 500;
    color: #963a1a;   /* naranja más hondo: contraste 5:1 sobre el beige (el #b84a28 daba 3,6:1) */
}
.book-meta::before,
.book-meta::after {
    content: '';
    flex: 1;
    height: 2px;
    background: radial-gradient(circle, var(--color-naranja-trazo) 0.9px, transparent 1.3px) 0 50% / 8px 2px repeat-x;
    opacity: 0.7;
}

/* ---- Foto: trama de puntos (halftone) que se disuelve al mirarla ---- */
.galeria-img-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: radial-gradient(circle, rgba(18, 18, 18, 0.75) 1.1px, transparent 1.7px) 0 0 / 6px 6px;
    -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.55) 45%, rgba(0, 0, 0, 0.12) 100%);
            mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.55) 45%, rgba(0, 0, 0, 0.12) 100%);
    opacity: 1;
    transition: opacity 0.7s ease;
}
/* Al entrar: la foto aparece "impresa" en puntos y se resuelve en imagen */
.galeria-item.pop-visible .galeria-img-wrapper::after {
    opacity: 0.55;
    transition: opacity 1.1s ease 0.25s;
}
.galeria-item:hover .galeria-img-wrapper::after,
.galeria-item:active .galeria-img-wrapper::after {
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* ---- Número de foto ---- */
.galeria-item::after {
    content: counter(foto, decimal-leading-zero);
    position: absolute;
    left: 12px;
    bottom: 10px;
    z-index: 3;
    font-family: var(--fuente-titulos);
    font-style: italic;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    color: var(--color-beige);
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.55);
    pointer-events: none;
    transition: color 0.4s ease, transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.galeria-item:hover::after,
.galeria-item:active::after {
    color: #fff;
    transform: translateX(4px);
}

/* ---- Marcas de visor en las esquinas (aparecen al mirar) ---- */
.galeria-item::before {
    --m: 14px;
    --g: 2px;
    --c: var(--color-naranja-trazo);
    content: '';
    position: absolute;
    inset: -8px;
    z-index: 4;
    pointer-events: none;
    background:
        linear-gradient(var(--c), var(--c)) top left     / var(--m) var(--g),
        linear-gradient(var(--c), var(--c)) top left     / var(--g) var(--m),
        linear-gradient(var(--c), var(--c)) top right    / var(--m) var(--g),
        linear-gradient(var(--c), var(--c)) top right    / var(--g) var(--m),
        linear-gradient(var(--c), var(--c)) bottom left  / var(--m) var(--g),
        linear-gradient(var(--c), var(--c)) bottom left  / var(--g) var(--m),
        linear-gradient(var(--c), var(--c)) bottom right / var(--m) var(--g),
        linear-gradient(var(--c), var(--c)) bottom right / var(--g) var(--m);
    background-repeat: no-repeat;
    opacity: 0;
    transform: scale(0.94);
    transition: opacity 0.35s ease, transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.galeria-item:hover::before,
.galeria-item:active::before,
.galeria-item:focus-visible::before {
    opacity: 1;
    transform: scale(1);
}

/* Con teclado: la foto enfocada se marca igual que al pasar el ratón, más un contorno */
.galeria-item:focus-visible {
    outline: 2px solid var(--color-naranja-trazo);
    outline-offset: 6px;
}

/* LIGHTBOX */
#lightbox-wizay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    /* Cerrado: además de invisible, deja de existir para el teclado y los lectores de pantalla (y para el navegador, que no lo pinta) */
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0s linear 0.4s;
}

#lightbox-wizay.activo {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transition: opacity 0.4s ease, visibility 0s;
}

/* Con el visor cerrado, el marco de puntos no se anima (era una animación infinita sobre una capa invisible) */
#lightbox-wizay:not(.activo) .marco-animado rect {
    animation: none;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle, rgba(230, 213, 195, 0.09) 1px, transparent 1.5px) 0 0 / 22px 22px,
        rgba(10, 10, 10, 0.93);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    cursor: zoom-out;
}

.lightbox-contenido {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-marco {
    position: relative;
    display: inline-block;
    border-radius: 4px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.lightbox-marco .marco-animado rect {
    stroke-width: 2px;
    stroke-dasharray: 6, 6;
    animation: caminarPuntos 1s linear infinite;
}

#lightbox-img {
    max-width: 100%;
    max-height: min(75vh, calc(100vh - 150px));
    object-fit: contain;
    border-radius: 4px;
    display: block;
    position: relative;
    z-index: 1;
}

.lightbox-btn {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    background: transparent;
    color: var(--color-beige);
    border: 1.5px dashed rgba(230, 213, 195, 0.45);
    border-radius: 50%;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    z-index: 3;
    transition: color 0.3s ease, transform 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
    padding: 0;
    opacity: 0.8;
}

.lightbox-btn:hover {
    border-color: var(--color-naranja-trazo);
    color: var(--color-naranja-trazo);
    opacity: 1;
    transform: scale(1.1);
}

.lightbox-cerrar { top: 20px; right: 24px; font-size: 1.9rem; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover { transform: translateY(-50%) scale(1.1); }
.lightbox-next:hover { transform: translateY(-50%) scale(1.1); }

/* Pie del visor: contador + hilo de puntos */
.lightbox-pie {
    margin-top: 18px;
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--color-beige);
    pointer-events: none;
}
#lightbox-contador {
    font-family: var(--fuente-titulos);
    font-style: italic;
    font-size: 1.05rem;
    letter-spacing: 0.12em;
    white-space: nowrap;
}
.lightbox-puntos {
    display: flex;
    gap: 7px;
    align-items: center;
}
.lightbox-puntos i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(230, 213, 195, 0.3);
    transition: background 0.35s ease, transform 0.35s ease;
}
.lightbox-puntos i.on {
    background: var(--color-naranja-trazo);
    transform: scale(1.7);
}

@media (max-width: 768px) {
    .lightbox-btn { width: 42px; height: 42px; font-size: 1rem; }
    .lightbox-cerrar { top: 12px; right: 12px; font-size: 1.6rem; }
    .lightbox-prev { left: 6px; }
    .lightbox-next { right: 6px; }
    .lightbox-pie { gap: 12px; }
    .lightbox-puntos { gap: 5px; }
    .galeria-item::before { inset: -5px; }
}
/* Móvil: las flechas bajan a los lados del pie para no tapar la foto */
@media (max-width: 600px) {
    .lightbox-prev, .lightbox-next { top: auto; bottom: 30px; transform: none; }
    .lightbox-prev { left: 22px; }
    .lightbox-next { right: 22px; }
    .lightbox-prev:hover, .lightbox-next:hover { transform: scale(1.1); }
}

/* =========================================================================
   RESPONSIVE MÓVIL: 2 COLUMNAS FIJAS (ESTILO MOSAICO INSTAGRAM/PINTEREST)
   ========================================================================= */
@media (max-width: 600px) {
    .galeria-grid {
        grid-template-columns: repeat(2, 1fr) !important; /* Fuerza 2 fotos por fila */
        gap: 10px !important;                             /* Separación compacta y estética */
        margin-top: 25px !important;
    }
}