/* ==========================================
   AH Premium - Gallery Styles
========================================== */

/* Hero Section */
.gallery-hero {
    padding: 120px 0 80px;
    background: linear-gradient(rgba(10, 15, 13, 0.8), rgba(10, 15, 13, 0.9)), url('../images/branding/hero-bg.jpg') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

/* Filter Navigation */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
}

/* Masonry Grid */
.masonry-grid {
    column-count: 3;
    column-gap: 24px;
    padding-bottom: 60px;
}

@media (max-width: 991px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (max-width: 575px) {
    .masonry-grid {
        column-count: 1;
    }
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: 24px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateZ(0); /* Hardware acceleration */
}

.masonry-item.hidden {
    display: none;
}

.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Overlay & Hover Effects */
.masonry-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.masonry-item:hover img {
    transform: scale(1.05);
}

.masonry-item:hover .masonry-overlay {
    opacity: 1;
}

.overlay-content {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.masonry-item:hover .overlay-content {
    transform: translateY(0);
}

.overlay-content h5 {
    color: var(--white);
    margin-bottom: 5px;
    font-weight: 600;
}

.overlay-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.view-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.5);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.masonry-item:hover .view-icon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Lightbox Modal (Glassmorphism) */
.gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 13, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.gallery-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    object-fit: contain;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.gallery-lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-caption {
    color: var(--white);
    margin-top: 20px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
}