/* ===== Catalog Header ===== */
.catalog-header {
    padding: 60px 0 40px;
    text-align: center;
    background: var(--white);
    border-bottom: 1px solid var(--beige-200);
}

.catalog-header h1 {
    font-size: 2.8rem;
    margin-bottom: 12px;
}

.catalog-header p {
    font-size: 1.05rem;
    color: var(--text-light);
}

/* ===== Filters ===== */
.catalog-filters {
    padding: 24px 0;
    background: var(--beige-50);
    border-bottom: 1px solid var(--beige-200);
    position: sticky;
    top: 72px;
    z-index: 100;
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.filter-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1.5px solid var(--beige-300);
    border-radius: 30px;
    background: var(--white);
    color: var(--text-body);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--beige-500);
    background: var(--beige-100);
}

.filter-btn.active {
    background: var(--beige-800);
    color: var(--beige-100);
    border-color: var(--beige-800);
}

.sort-select {
    padding: 10px 16px;
    border: 1.5px solid var(--beige-300);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--text-body);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease;
}

.sort-select:focus {
    border-color: var(--beige-600);
}

/* ===== Catalog Grid ===== */
.catalog {
    padding: 48px 0 80px;
}

.catalog-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.catalog-grid .product-card {
    transition: all 0.4s ease;
}

.catalog-grid .product-card.hidden {
    display: none;
}

.catalog-count {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===== Active nav link ===== */
.nav-links a.active {
    color: var(--text-dark);
    font-weight: 600;
}

.nav-links a.active::after {
    width: 100%;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .catalog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .catalog-header h1 {
        font-size: 2rem;
    }

    .filter-bar {
        flex-direction: column;
        align-items: flex-start;
    }

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

@media (max-width: 480px) {
    .catalog-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin: 0 auto;
    }

    .filter-group {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 14px;
        font-size: 0.8rem;
    }
}