.catalog-preview-page {
    padding: 1.5rem 0 4rem;
}

.catalog-preview-hero {
    max-width: 52rem;
    margin-bottom: 2.5rem;
}

.catalog-preview-title {
    margin: 0 0 1rem;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--dark-color);
}

.catalog-preview-lead {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--secondary-color);
}

.catalog-preview-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.catalog-preview-block {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.catalog-preview-block:hover {
    border-color: rgba(13, 110, 253, 0.25);
    box-shadow: 0 10px 24px rgba(13, 110, 253, 0.08);
}

.catalog-preview-block-layout {
    display: grid;
    grid-template-columns: minmax(12rem, 18rem) minmax(0, 1fr);
    gap: 2rem;
    padding: 2rem;
}

.catalog-preview-category {
    padding-top: 0.25rem;
}

.catalog-preview-category-title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 2.2vw, 1.875rem);
    font-weight: 700;
    line-height: 1.2;
}

.catalog-preview-category-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.catalog-preview-category-link:hover {
    color: #0649b4;
}

.catalog-preview-category-accent {
    width: 4rem;
    height: 0.25rem;
    margin-bottom: 1rem;
    background: var(--primary-color);
}

.catalog-preview-category-desc {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--secondary-color);
}

.catalog-preview-lines {
    min-width: 0;
}

.catalog-preview-empty-lines {
    display: flex;
    align-items: center;
    min-height: 6rem;
    padding: 1.25rem 1.5rem;
    border: 1px dashed #dee2e6;
    background: #f8f9fa;
    font-size: 0.9375rem;
}

.catalog-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem 1.25rem;
}

.catalog-preview-line-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0.75rem;
    border: 1px solid #e9ecef;
    border-radius: 0;
    background: #fff;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.catalog-preview-line-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    color: inherit;
}

.catalog-preview-line-image {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.catalog-preview-line-image img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    padding: 0.5rem;
}

.catalog-preview-line-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--primary-color);
    opacity: 0.45;
    font-size: 2rem;
}

.catalog-preview-line-title {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    color: var(--dark-color);
}

.catalog-preview-line-card:hover .catalog-preview-line-title {
    color: var(--primary-color);
}

.catalog-preview-empty {
    border-radius: 0;
}

@media (max-width: 991.98px) {
    .catalog-preview-block-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .catalog-preview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .catalog-preview-page {
        padding-top: 1rem;
    }

    .catalog-preview-grid {
        grid-template-columns: 1fr;
    }
}