/**
 * Frontend Styles for Isla Proyecto Galerías
 * Sigue BEM con prefijo isla- y tokens del sistema.
 */

:root {
    /* Token de color específico para el fondo piedra/arena de la galería (mockup) */
    --isla-gallery-bg: #e4e4e0;
    --isla-gallery-gap: 20px;
}

/* Contenedor principal de la galería */
.isla-proj-gallery {
    margin: 0;
    padding: 0;
    background-color: transparent;
    border-radius: 0;
    box-sizing: border-box;
}

/* Título de la galería */
.isla-proj-gallery__title {
    font-size: clamp(20px, 2vw, 30px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-xl, 32px) 0;
    color: var(--isla-black, #0d0d0d);
    position: relative;
    padding-bottom: 8px;
}

.isla-proj-gallery__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--isla-red, #ff0b26);
}

/* Grid de imágenes (3 columnas) */
.isla-proj-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--isla-gallery-gap);
}

/* Tarjeta / Item de imagen (vertical 3:4) */
.isla-proj-gallery__item {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background-color: #d1d1cc; /* Color placeholder mientras carga */
    cursor: pointer;
    border-radius: 2px;
    outline: none;
    transition: transform var(--isla-transit-smooth, 0.6s cubic-bezier(0.23, 1, 0.32, 1));
}

.isla-proj-gallery__item:focus-visible {
    box-shadow: 0 0 0 3px var(--isla-red, #ff0b26);
}

/* Contenedor de la imagen */
.isla-proj-gallery__image-wrapper {
    position: relative !important;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden !important;
    display: block !important;
}

/* Imagen */
.isla-proj-gallery__img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    will-change: transform;
    transition: transform var(--isla-transit-smooth, 0.6s cubic-bezier(0.23, 1, 0.32, 1));
}

/* Overlay en hover */
.isla-proj-gallery__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 13, 13, 0.25); /* Oscurecimiento suave */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--isla-transit-fast, 0.25s ease);
}

/* Icono de lupa */
.isla-proj-gallery__zoom-icon {
    color: var(--isla-white, #ffffff);
    background-color: rgba(13, 13, 13, 0.6);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.85);
    transition: transform var(--isla-transit-smooth, 0.6s cubic-bezier(0.23, 1, 0.32, 1));
}

.isla-proj-gallery__zoom-icon svg {
    width: 20px;
    height: 20px;
}

/* Hover e interacciones */
.isla-proj-gallery__item:hover .isla-proj-gallery__img {
    transform: scale(1.05);
}

.isla-proj-gallery__item:hover .isla-proj-gallery__overlay {
    opacity: 1;
}

.isla-proj-gallery__item:hover .isla-proj-gallery__zoom-icon {
    transform: scale(1);
}

/* Wrapper general de galerías */
.isla-proyecto-galleries-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl, 32px);
    width: 100%;
    clear: both;
}

/* --- LIGHTBOX PRÉMIUM --- */
.isla-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 13, 13, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    will-change: opacity;
    transition: opacity var(--isla-transit-fast, 0.25s ease);
    box-sizing: border-box;
}

.isla-lightbox.is-active {
    opacity: 1;
    pointer-events: auto;
}

/* Botón de cerrar */
.isla-lightbox__close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    color: var(--isla-white, #ffffff);
    font-size: 38px;
    font-weight: 300;
    cursor: pointer;
    line-height: 1;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    transition: background-color var(--isla-transit-fast, 0.25s ease), transform 0.2s;
    z-index: 10;
}

.isla-lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.isla-lightbox__close:focus-visible {
    outline: 2px solid var(--isla-red, #ff0b26);
}

/* Contenido / Contenedor de la Imagen */
.isla-lightbox__content {
    max-width: 80%;
    max-height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

/* Imagen del Lightbox */
.isla-lightbox__img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.6);
    opacity: 0;
    transform: scale(0.95);
    will-change: opacity, transform;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.isla-lightbox__img.is-loaded {
    opacity: 1;
    transform: scale(1);
}



/* Contador de imágenes */
.isla-lightbox__counter {
    position: absolute;
    bottom: 30px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    letter-spacing: 0.05em;
}

/* Botones de navegación (Pre/Next) */
.isla-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(13, 13, 13, 0.75);
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    color: var(--isla-white, #ffffff);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    cursor: pointer;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: background-color var(--isla-transit-fast, 0.25s ease), transform var(--isla-transit-fast, 0.25s ease);
    z-index: 10;
}

.isla-lightbox__nav::after {
    content: '';
    display: block !important;
    width: 12px !important;
    height: 12px !important;
    border-top: 2px solid var(--isla-white, #ffffff) !important;
    border-right: 2px solid var(--isla-white, #ffffff) !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
}

.isla-lightbox__nav--next::after {
    transform: translate(-70%, -50%) rotate(45deg) !important;
}

.isla-lightbox__nav--prev::after {
    transform: translate(-30%, -50%) rotate(-135deg) !important;
}

.isla-lightbox__nav:hover {
    background-color: rgba(13, 13, 13, 0.95);
    transform: translateY(-50%) scale(1.05);
}

.isla-lightbox__nav:active {
    transform: translateY(-50%) scale(0.95);
}

.isla-lightbox__nav:focus-visible {
    outline: 2px solid var(--isla-red, #ff0b26);
}

.isla-lightbox__nav--prev {
    left: 40px;
}

.isla-lightbox__nav--next {
    right: 40px;
}

/* --- RESPONSIVE BREAKPOINTS --- */

/* Laptop / Desktop pequeña */
@media (max-width: 1024px) {
    .isla-lightbox__nav--prev {
        left: 20px;
    }
    .isla-lightbox__nav--next {
        right: 20px;
    }
    .isla-lightbox__content {
        max-width: 90%;
    }
}

/* Tablet (hasta 768px) */
@media (max-width: 768px) {
    :root {
        --isla-gallery-gap: 16px;
    }
    .isla-proj-gallery {
        padding: 0;
        margin: 0;
    }
    .isla-proj-gallery__grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columnas en Tablet */
    }
    .isla-lightbox__close {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 30px;
    }
    .isla-lightbox__nav {
        width: 44px;
        height: 44px;
    }
}

/* Móvil (hasta 480px) */
@media (max-width: 480px) {
    :root {
        --isla-gallery-gap: 12px;
    }
    .isla-proj-gallery__grid {
        grid-template-columns: 1fr; /* 1 columna en Móvil */
    }
    .isla-lightbox__nav {
        display: flex !important;
        width: 40px !important;
        height: 40px !important;
    }
    .isla-lightbox__nav--prev {
        left: 10px !important;
    }
    .isla-lightbox__nav--next {
        right: 10px !important;
    }
    .isla-lightbox__content {
        max-width: 90%;
    }
    .isla-lightbox__close {
        top: 15px;
        right: 15px;
    }
}