/* =============================================================
   PORTFOLIO — Galerías y tarjetas fotográficas
   ============================================================= */

/* ---- Encabezado del portfolio ---- */
.marien-portfolio-header {
    padding-block: var(--space-16);
    background-color: var(--color-primary);
    text-align: center;
}

.marien-portfolio-header .marien-section__title {
    color: var(--color-surface);
}

.marien-portfolio-header .marien-section__subtitle {
    color: var(--color-accent);
}

/* ---- Filtros por categoría ---- */
.marien-gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
    padding: var(--space-4) var(--space-4);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: var(--header-height, 73px);
    z-index: var(--z-above);
    transition: box-shadow 0.25s ease;
}

/* Sombra visible cuando la barra está en modo sticky (pegada al header) */
.marien-gallery-filters--sticky {
    box-shadow: 0 2px 12px rgba(28, 28, 46, 0.10);
}

.marien-gallery-filter {
    padding: var(--space-2) var(--space-4);
    background: none;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition:
        border-color var(--transition-base),
        color var(--transition-base),
        background-color var(--transition-base);
    white-space: nowrap;
}

.marien-gallery-filter:hover,
.marien-gallery-filter--active {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(201, 169, 110, 0.08);
}

/* ---- Grid masonry del portfolio ---- */
.marien-gallery {
    padding: var(--space-6) var(--space-4);
    max-width: var(--container-wide);
    margin-inline: auto;
}

@media (min-width: 768px) {
    .marien-gallery {
        padding: var(--space-8);
    }
}

.marien-gallery__grid {
    columns: 1;
    column-gap: var(--space-3);
}

@media (min-width: 480px) {
    .marien-gallery__grid {
        columns: 2;
    }
}

@media (min-width: 768px) {
    .marien-gallery__grid {
        columns: 3;
        column-gap: var(--space-4);
    }
}

@media (min-width: 1200px) {
    .marien-gallery__grid {
        columns: 4;
    }
}

/* ---- Tarjeta de fotografía ---- */
.marien-photo-card {
    break-inside: avoid;
    margin-bottom: var(--space-3);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    background-color: var(--color-border);
    cursor: pointer;
}

@media (min-width: 768px) {
    .marien-photo-card {
        margin-bottom: var(--space-4);
    }
}

.marien-photo-card__image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.marien-photo-card:hover .marien-photo-card__image {
    transform: scale(1.03);
}

.marien-photo-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(28, 28, 46, 0.8) 0%,
        transparent 50%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-4);
}

.marien-photo-card:hover .marien-photo-card__overlay {
    opacity: 1;
}

.marien-photo-card__caption {
    color: var(--color-surface);
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 400;
    line-height: 1.2;
}

.marien-photo-card__meta {
    font-size: var(--font-size-xs);
    color: rgba(248, 245, 240, 0.7);
    margin-top: var(--space-1);
    letter-spacing: 0.05em;
}

/* ---- Lightbox ---- */
.marien-lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background-color: rgba(28, 28, 46, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.marien-lightbox--open {
    opacity: 1;
    visibility: visible;
}

.marien-lightbox__media {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.marien-lightbox__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(255, 255, 255, 0.12);
    border: none;
    border-radius: var(--radius-full);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-surface);
    font-size: var(--font-size-xl);
    transition: background-color var(--transition-base);
}

.marien-lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.marien-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-surface);
    font-size: var(--font-size-xl);
    transition: background-color var(--transition-base);
}

.marien-lightbox__nav:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.marien-lightbox__nav--prev { left: var(--space-4); }
.marien-lightbox__nav--next { right: var(--space-4); }

.marien-lightbox__caption {
    position: absolute;
    bottom: var(--space-6);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(248, 245, 240, 0.8);
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    max-width: 600px;
    width: 90vw;
}

/* ---- Categorías de galería (portada portfolio) ---- */
.marien-gallery-categories {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-8) var(--space-4);
    max-width: var(--container-wide);
    margin-inline: auto;
}

@media (min-width: 480px) {
    .marien-gallery-categories {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .marien-gallery-categories {
        grid-template-columns: repeat(3, 1fr);
        padding: var(--space-12) var(--space-8);
    }
}

@media (min-width: 1024px) {
    .marien-gallery-categories {
        grid-template-columns: repeat(4, 1fr);
    }
}

.marien-gallery-category {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radius-md);
    background-color: var(--color-border);
    text-decoration: none;
    display: block;
}

.marien-gallery-category__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.marien-gallery-category:hover .marien-gallery-category__image {
    transform: scale(1.06);
}

.marien-gallery-category__label {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(28, 28, 46, 0.75) 0%, transparent 55%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-4);
}

.marien-gallery-category__name {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: var(--color-surface);
    line-height: 1.1;
}

.marien-gallery-category__count {
    font-size: var(--font-size-xs);
    color: rgba(248, 245, 240, 0.65);
    margin-top: var(--space-1);
}