/* ═══════════════════════════════════════════════════════════════════
   Gallery Showcase – Frontend Styles
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Reset & Wrapper ─────────────────────────────────────────────── */
.gsc-wrap {
    --gsc-cols: 3;
    --gsc-ratio: 100%;
    --gsc-radius: 12px;
    --gsc-gap: 20px;
    --gsc-overlay: rgba(0,0,0,0.45);
    --gsc-text: #ffffff;
    --gsc-filter: #555;
    --gsc-filter-active: #000;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ─── Header ──────────────────────────────────────────────────────── */
.gsc-header {
    text-align: center;
    margin-bottom: 32px;
}
.gsc-title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.2;
}
.gsc-subtitle {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    opacity: 0.65;
    margin: 0;
}

/* ─── Filtros ─────────────────────────────────────────────────────── */
.gsc-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 16px;
    margin-bottom: 32px;
}
.gsc-filter-btn {
    background: none;
    border: none;
    font-size: 0.95rem;
    color: var(--gsc-filter);
    cursor: pointer;
    padding: 6px 14px;
    border-radius: 50px;
    transition: all 0.25s ease;
    font-weight: 500;
    position: relative;
}
.gsc-filter-btn:hover {
    color: var(--gsc-filter-active);
    background: rgba(0,0,0,0.05);
}
.gsc-filter-btn.is-active {
    color: var(--gsc-filter-active);
    background: rgba(0,0,0,0.08);
    font-weight: 600;
}

/* ─── Grid ────────────────────────────────────────────────────────── */
.gsc-grid {
    display: grid;
    grid-template-columns: repeat(var(--gsc-cols), 1fr);
    gap: var(--gsc-gap);
}

/* ─── Card ────────────────────────────────────────────────────────── */
.gsc-card {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.gsc-card.gsc-hidden {
    display: none;
}
.gsc-card.gsc-filtered-out {
    display: none;
}

.gsc-card-inner {
    position: relative;
    padding-top: var(--gsc-ratio);
    border-radius: var(--gsc-radius);
    overflow: hidden;
    cursor: pointer;
    background: #e9e9e9;
}
.gsc-card-inner img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.gsc-card-inner:hover img {
    transform: scale(1.06);
}

/* Overlay gradient */
.gsc-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        var(--gsc-overlay) 0%,
        rgba(0,0,0,0.08) 45%,
        transparent 100%
    );
    display: flex;
    align-items: flex-end;
    padding: 20px;
    transition: background 0.35s ease;
}
.gsc-card-inner:hover .gsc-card-overlay {
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.6) 0%,
        rgba(0,0,0,0.12) 50%,
        transparent 100%
    );
}
.gsc-card-title {
    color: var(--gsc-text);
    font-size: clamp(0.9rem, 1.4vw, 1.1rem);
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* Image count badge */
.gsc-card-count {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: 50px;
    backdrop-filter: blur(6px);
    pointer-events: none;
}

/* ─── Load More ───────────────────────────────────────────────────── */
.gsc-loadmore-wrap {
    text-align: center;
    margin-top: 40px;
}
.gsc-loadmore-btn {
    background: transparent;
    border: 2px solid #222;
    color: #222;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 40px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.02em;
}
.gsc-loadmore-btn:hover {
    background: #222;
    color: #fff;
}
.gsc-loadmore-btn.gsc-btn-hidden {
    display: none;
}

/* ─── Lightbox ────────────────────────────────────────────────────── */
.gsc-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0, 0, 0, 0.92);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    animation: gscFadeIn 0.25s ease;
}
.gsc-lightbox.is-open {
    display: flex;
}

@keyframes gscFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.gsc-lb-content {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gsc-lb-content img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    transition: opacity 0.3s ease;
}

.gsc-lb-close,
.gsc-lb-prev,
.gsc-lb-next {
    position: absolute;
    background: none;
    border: none;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
    z-index: 10;
}
.gsc-lb-close:hover,
.gsc-lb-prev:hover,
.gsc-lb-next:hover {
    color: #fff;
    transform: scale(1.15);
}
.gsc-lb-close {
    top: 20px;
    right: 24px;
    font-size: 2.5rem;
    line-height: 1;
}
.gsc-lb-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3.5rem;
    line-height: 1;
}
.gsc-lb-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3.5rem;
    line-height: 1;
}
.gsc-lb-prev:hover,
.gsc-lb-next:hover {
    transform: translateY(-50%) scale(1.15);
}

.gsc-lb-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

/* ─── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .gsc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 600px) {
    .gsc-grid {
        grid-template-columns: 1fr;
    }
    .gsc-filters {
        gap: 4px 8px;
    }
    .gsc-filter-btn {
        font-size: 0.85rem;
        padding: 5px 10px;
    }
    .gsc-lb-prev { left: 8px; font-size: 2.5rem; }
    .gsc-lb-next { right: 8px; font-size: 2.5rem; }
}