/* Gallery masonry grid */
.gallery-grid {
    columns: 2;
    column-gap: 1rem;
}

@media (min-width: 768px) {
    .gallery-grid { columns: 3; column-gap: 1.25rem; }
}

@media (min-width: 1024px) {
    .gallery-grid { columns: 4; column-gap: 1.25rem; }
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 1.25rem;
    border-radius: 1rem;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: #e5e7eb;
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 120, 87, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover img { transform: scale(1.04); }
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 0.75rem;
    object-fit: contain;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
}

.lightbox-close {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 1001;
}

.lightbox-close:hover { background: rgba(255,255,255,0.25); }

.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 1001;
}

.lightbox-nav:hover { background: rgba(4, 120, 87, 0.7); }
.lightbox-prev { left: 1.25rem; }
.lightbox-next { right: 1.25rem; }

.lightbox-counter {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}