/* According to Valve Type — Zoloto-style product catalogue */

.catalog-page {
    padding: 2rem 0 4rem;
    background: var(--lighter-gray, #f8fafc);
}

.catalog-breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.catalog-breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
}

.catalog-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a5f 100%);
    color: #fff;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    margin-bottom: 2rem;
}

.catalog-hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0 0 0.75rem;
}

.catalog-lead {
    max-width: 820px;
    line-height: 1.7;
    margin: 0 0 1.5rem;
    opacity: 0.92;
    font-size: 1.05rem;
}

.catalog-hub-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.catalog-hub-tab {
    padding: 0.45rem 1rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.2s;
}

.catalog-hub-tab.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.catalog-hub-tab:not(.active):hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
}

.catalog-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2rem;
    align-items: start;
}

.catalog-sidebar {
    position: sticky;
    top: 100px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.catalog-sidebar-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-light);
    margin: 0 0 0.75rem;
    font-weight: 700;
}

.catalog-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.catalog-nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.88rem;
    font-weight: 500;
    transition: background 0.15s;
}

.catalog-nav-link:hover {
    background: var(--lighter-gray);
    color: var(--accent-color);
}

.catalog-count {
    background: var(--lighter-gray);
    color: var(--text-light);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
}

.catalog-section {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    scroll-margin-top: 100px;
}

.catalog-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-color);
}

.catalog-section-header h2 {
    font-size: 1.35rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 800;
}

.catalog-section-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.catalog-section-ds,
.catalog-section-quote {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.catalog-section-ds {
    background: #fff3e0;
    color: #e65100;
    border: 1px solid #e65100;
}

.catalog-section-quote {
    background: var(--accent-color);
    color: #fff;
}

.catalog-section-ds:hover,
.catalog-section-quote:hover {
    transform: translateY(-1px);
    opacity: 0.92;
}

.catalog-table-wrap {
    overflow-x: auto;
}

.catalog-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.catalog-table th {
    text-align: left;
    padding: 0.65rem 0.75rem;
    background: var(--primary-color);
    color: #fff;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.catalog-table th:first-child {
    width: 90px;
    border-radius: 6px 0 0 0;
}

.catalog-table th:last-child {
    border-radius: 0 6px 0 0;
}

.catalog-table td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.catalog-table tbody tr:hover {
    background: #f0f9ff;
}

.catalog-model {
    display: inline-block;
    font-weight: 800;
    color: var(--accent-color);
    font-family: ui-monospace, monospace;
    font-size: 0.88rem;
}

.catalog-model-muted {
    color: var(--text-light);
    font-weight: 400;
}

.catalog-product-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    line-height: 1.4;
}

.catalog-product-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.catalog-ds {
    margin-left: 0.5rem;
    color: #e65100;
    font-size: 0.9rem;
    opacity: 0.85;
}

.catalog-ds:hover {
    opacity: 1;
}

.catalog-footer-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a5f 100%);
    color: #fff;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    margin-top: 1rem;
}

.catalog-footer-cta h2 {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
}

.catalog-footer-cta p {
    max-width: 640px;
    margin: 0 auto 1.5rem;
    opacity: 0.9;
    line-height: 1.65;
}

.catalog-footer-cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

@media (max-width: 900px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        position: static;
        max-height: none;
    }

    .catalog-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .catalog-hero h1 {
        font-size: 1.75rem;
    }
}