/* Gallery — Frontend v2.1 */

.gd-wrap { width: 100%; font-family: inherit; box-sizing: border-box; }
.gd-wrap *, .gd-wrap *::before, .gd-wrap *::after { box-sizing: border-box; }

/* ── Filtri con CSS variables ── */
.gd-filtri {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 28px;
}

.gd-btn {
    padding: var(--gd-btn-pv, 10px) var(--gd-btn-ph, 24px);
    border: solid var(--gd-btn-border-w, 2px) var(--gd-btn-border, #222);
    background: var(--gd-btn-bg, #fff);
    color: var(--gd-btn-color, #222);
    font-size: var(--gd-btn-fs, 14px);
    font-weight: var(--gd-btn-weight, 600);
    text-transform: var(--gd-btn-tt, none);
    cursor: pointer;
    border-radius: var(--gd-btn-radius, 4px);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    line-height: 1.3;
}

.gd-btn:hover {
    background: var(--gd-btn-border, #222);
    color: var(--gd-btn-bg, #fff);
}

.gd-btn.attivo {
    background: var(--gd-btn-bg-attivo, #c0392b) !important;
    border-color: var(--gd-btn-bg-attivo, #c0392b) !important;
    color: var(--gd-btn-col-attivo, #fff) !important;
}

/* ── Griglia ── */
.gd-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    width: 100%;
}

@media (max-width: 1360px) { .gd-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 992px)  { .gd-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px)  { .gd-grid { grid-template-columns: 1fr; } }

/* ── Item ── */
.gd-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4 / 3;
    background: #111;
    border-radius: 4px;
    display: block;
}

.gd-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.gd-item:hover img,
.gd-item:focus img { transform: scale(1.05); outline: none; }

.gd-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.gd-item:hover .gd-overlay,
.gd-item:focus .gd-overlay { opacity: 1; }

.gd-zoom {
    color: #fff;
    font-size: 36px;
    font-weight: 300;
    line-height: 1;
}

.gd-item.gd-hidden { display: none !important; }

/* ── Lightbox ── */
.gd-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
}

.gd-lightbox.gd-aperto {
    display: flex !important;
}

.gd-lb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.93);
    cursor: pointer;
}

.gd-lb-content {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 92vw;
    max-height: 92vh;
}

#gd-lb-img {
    max-width: 88vw;
    max-height: 80vh;
    object-fit: contain;
    display: block;
    border-radius: 3px;
    box-shadow: 0 10px 50px rgba(0,0,0,0.7);
    transition: opacity 0.18s ease;
}

.gd-lb-caption {
    color: #ccc;
    font-size: 14px;
    margin-top: 12px;
    min-height: 18px;
}

.gd-lb-counter {
    color: #777;
    font-size: 13px;
    margin-top: 4px;
    display: block;
}

.gd-lb-close,
.gd-lb-prev,
.gd-lb-next {
    position: fixed;
    background: rgba(255,255,255,0.12);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    font-size: 22px;
    width: 50px;
    height: 50px;
    padding: 0;
    line-height: 1;
}

.gd-lb-close:hover,
.gd-lb-prev:hover,
.gd-lb-next:hover { background: rgba(255,255,255,0.28); }

.gd-lb-close { top: 18px; right: 18px; font-size: 30px; }
.gd-lb-prev  { left: 18px; top: 50%; transform: translateY(-50%); }
.gd-lb-next  { right: 18px; top: 50%; transform: translateY(-50%); }

@keyframes gdFadeIn {
    from { opacity: 0; transform: scale(0.97); }
    to   { opacity: 1; transform: scale(1); }
}
.gd-lightbox.gd-aperto .gd-lb-content { animation: gdFadeIn 0.2s ease; }

@media (max-width: 600px) {
    .gd-lb-prev { left: 6px; }
    .gd-lb-next { right: 6px; }
    #gd-lb-img  { max-height: 72vh; }
    .gd-lb-prev, .gd-lb-next { width: 40px; height: 40px; font-size: 18px; }
}