/* ================================
   ESTILOS DE LA GALERÍA DE IMÁGENES
   Mismo espacio total que el grid de portafolio (1160 × 610 px)
   ================================ */

/* Contenedor principal — estructura: 3 miniaturas izq. + imagen principal der. */
.galeria-container {
    --galeria-max-width: 1160px;
    --galeria-width: min(var(--galeria-max-width), calc(100vw - 40px));
    --galeria-height: 610px;
    --galeria-gap: 12px;

    width: var(--galeria-width);
    height: var(--galeria-height);
    max-width: 100%;
    display: grid;
    grid-template-columns: 23.6% 76.4%;
    grid-template-rows: repeat(3, 1fr);
    gap: var(--galeria-gap);
    background-color: white;
    padding: 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15), 0 4px 10px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* Todas las internas de producto = mismo bloque que el grid de la listing */
.galeria-grid-portfolio,
.galeria-grid-tall-narrow,
.galeria-grid-wide,
.galeria-grid-standard,
.galeria-grid-half {
    --galeria-width: min(1160px, calc(100vw - 40px));
    --galeria-height: 610px;
}

/* Contenedor de cada imagen */
.imagen-container {
    background-color: #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    height: 100%;
    min-height: 0;
    min-width: 0;
}

.imagen-container:not(#img-4):hover {
    transform: scale(1.02);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.imagen-container.active {
    border: 3px solid #4aa921;
    transform: scale(1.05);
}

#img-4 {
    grid-column: 2;
    grid-row: 1 / 4;
    cursor: default;
}

.imagen-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.imagen-principal-content {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    color: #333;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-button:hover {
    background-color: #4aa921;
    color: white;
    transform: translateY(-50%) scale(1.1);
}

.nav-button:active {
    transform: translateY(-50%) scale(0.95);
}

.nav-button.prev {
    left: 20px;
}

.nav-button.next {
    right: 20px;
}

.nav-button::before {
    content: '';
    display: block;
    width: 12px;
    height: 12px;
    border-top: 3px solid currentColor;
    border-right: 3px solid currentColor;
}

.nav-button.prev::before {
    transform: rotate(-135deg);
    margin-left: 4px;
}

.nav-button.next::before {
    transform: rotate(45deg);
    margin-right: 4px;
}

.imagen-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: Arial, sans-serif;
}

.imagen-principal-content.transitioning {
    animation: fadeTransition 0.5s ease;
}

@keyframes fadeTransition {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 1200px) {
    .galeria-container,
    .galeria-grid-portfolio,
    .galeria-grid-tall-narrow,
    .galeria-grid-wide,
    .galeria-grid-standard,
    .galeria-grid-half {
        --galeria-width: calc(100vw - 40px);
        --galeria-height: calc(var(--galeria-width) * 0.526);
    }

    .nav-button {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

@media (max-width: 600px) {
    .galeria-container,
    .galeria-grid-portfolio,
    .galeria-grid-tall-narrow,
    .galeria-grid-wide,
    .galeria-grid-standard,
    .galeria-grid-half {
        --galeria-width: calc(100vw - 32px);
        --galeria-gap: 8px;
    }

    .nav-button {
        width: 36px;
        height: 36px;
    }

    .nav-button.prev {
        left: 10px;
    }

    .nav-button.next {
        right: 10px;
    }
}

.galeria-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}