/* Installation Gallery — komponenta referencí montáží */

.installation-gallery {
    margin: 2.5rem 0;
    color: #2a2a2a;
}

.installation-gallery * {
    box-sizing: border-box;
}

.ig-title {
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    text-align: center;
}

.ig-intro {
    text-align: center;
    color: #666;
    margin: 0 0 2.5rem;
    font-size: 0.95rem;
}

.ig-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: #888;
    font-style: italic;
}

.ig-installation {
    margin-bottom: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #ececec;
}

.ig-installation:first-of-type {
    border-top: none;
    padding-top: 0;
}

.ig-installation__header {
    margin-bottom: 1.25rem;
}

.ig-installation__heading {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 0 0.4rem;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.ig-installation__id {
    font-size: 0.85rem;
    font-weight: 400;
    color: #999;
    letter-spacing: 0.02em;
}

.ig-installation__desc {
    margin: 0;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.55;
    max-width: 70ch;
}

.ig-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.85rem;
}

.ig-photo {
    margin: 0;
    background: #f7f7f7;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.ig-photo:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.ig-photo__lightbox {
    display: block;
    line-height: 0;
    background: #ddd;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.ig-photo__lightbox img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.ig-photo:hover .ig-photo__lightbox img {
    transform: scale(1.04);
}

.ig-photo__caption {
    padding: 0.6rem 0.75rem 0.4rem;
    font-size: 0.85rem;
    color: #444;
    line-height: 1.4;
}

.ig-photo__product {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0.75rem 0.7rem;
    margin-top: auto;
    font-size: 0.8rem;
    text-decoration: none;
    color: #1a4f8a;
    border-top: 1px dashed #e2e2e2;
    transition: background-color 0.15s ease;
}

.ig-photo__product:hover {
    background-color: #f0f6fc;
    text-decoration: none;
    color: #0d3b6f;
}

.ig-photo__product-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #999;
    font-weight: 500;
}

.ig-photo__product-name {
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0.1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

@media (max-width: 768px) {
    .ig-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 0.6rem;
    }

    .ig-title {
        font-size: 1.5rem;
    }

    .ig-installation__heading {
        font-size: 1.15rem;
    }

    .ig-photo__caption {
        font-size: 0.78rem;
        padding: 0.4rem 0.5rem 0.3rem;
    }

    .ig-photo__product {
        padding: 0.4rem 0.5rem 0.5rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .ig-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
}