.page-header {
    padding: 160px 0 80px;
    background-color: var(--beige);
    text-align: center;
}
.page-header h1 {
    margin-bottom: 16px;
}
.page-header .lead {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 750px;
    margin-inline: auto;
}
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--border);
    background-color: var(--surface);
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease;
}
.filter-btn:hover {
    background-color: var(--accent-light);
    border-color: var(--accent);
}
.filter-btn.active {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    aspect-ratio: 4 / 3;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s cubic-bezier(0.19, 1, 0.22, 1);
}
.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent 60%);
    opacity: 0;
    transition: opacity .4s ease;
    display: flex;
    align-items: flex-end;
    padding: 25px;
}
.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}
.gallery-item:hover img {
    transform: scale(1.1);
}
.overlay-content {
    color: #fff;
    transform: translateY(20px);
    transition: transform .4s ease;
}
.gallery-item:hover .overlay-content {
    transform: translateY(0);
}
.overlay-content i {
    font-size: 1.8rem;
    margin-bottom: 10px;
}
.overlay-content h3 {
    color: #fff;
    font-family: Montserrat, sans-serif;
    font-size: 1.1rem;
}
.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s ease, visibility .4s ease;
}
.lightbox.show {
    opacity: 1;
    visibility: visible;
}
.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    background: none;
    border: none;
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
}
.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}
.lightbox-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius);
    animation: zoomIn .4s ease;
}
@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 560px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}