.page-header {
    padding: 20px 24px 0;
}

.gallery-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 100px;
}

.gallery-header {
    margin-bottom: 40px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    padding: 10px 16px;
    border: 1px solid var(--card-border);
    border-radius: 999px;
    background: var(--card-bg);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

.back-link:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.back-link:hover svg {
    transform: translateX(-2px);
}

.back-link svg {
    width: 16px;
    height: 16px;
}

.gallery-title {
    margin: 0 0 6px;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-dark);
}

.gallery-subtitle {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-medium);
}

/* Masonry layout via CSS multi-columns */
.gallery-grid {
    column-count: 1;
    column-gap: 14px;
    margin-bottom: 48px;
}

@media (min-width: 640px) {
    .gallery-grid {
        column-count: 2;
        column-gap: 20px;
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        column-count: 3;
        column-gap: 24px;
    }
}

.gallery-item {
    position: relative;
    display: block;
    width: 100%;
    break-inside: avoid;
    margin-bottom: 14px;
    padding: 0;
    overflow: hidden;
    border-radius: 16px;
    cursor: pointer;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: 0 4px 16px var(--shadow-soft);
    font: inherit;
}

@media (min-width: 640px) {
    .gallery-item {
        margin-bottom: 20px;
    }
}

@media (min-width: 1024px) {
    .gallery-item {
        margin-bottom: 24px;
    }
}

.gallery-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

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

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

.gallery-footer {
    margin-top: 32px;
    padding: 32px 0 0;
    border-top: 1px solid var(--card-border);
    text-align: center;
}

.gallery-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-medium);
}

.lightbox {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    overflow: hidden;
    animation: fadeIn 0.3s ease;
}

.lightbox::backdrop {
    background: rgba(20,20,20,0.95);
}

.lightbox[open] {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.lightbox-img {
    max-width: 90%;
    max-height: 85%;
    object-fit: contain;
    border-radius: 16px;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(4px);
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: rgba(255,255,255,0.22);
}

.lightbox-close:focus-visible,
.lightbox-nav:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

.lightbox-close {
    top: 25px;
    right: 25px;
    font-size: 32px;
}

.lightbox-nav {
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
}

.lightbox-nav:hover {
    transform: translateY(-50%) scale(1.08);
}

.lightbox-prev {
    left: 25px;
}

.lightbox-next {
    right: 25px;
}

.lightbox-caption {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 999px;
    background: rgba(0,0,0,0.35);
    color: #fff;
    font-size: 0.85rem;
    text-align: center;
    backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
    .gallery-container {
        padding: 24px 20px 80px;
    }

    .lightbox-close {
        top: 15px;
        right: 15px;
        width: 44px;
        height: 44px;
        font-size: 26px;
    }

    .lightbox-nav {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-caption {
        bottom: 15px;
        padding: 8px 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .gallery-item,
    .gallery-item img {
        transition: none;
    }

    .lightbox,
    .lightbox-img {
        animation: none;
    }
}