.page-catalog {
    background: var(--white);
}

.nav--left a.is-active {
    color: var(--blue);
}

.catalog-page {
    padding-top: var(--header-h);
    min-height: 100vh;
}

.catalog-page__hero {
    text-align: center;
    padding: 3rem 2rem 2rem;
    max-width: 720px;
    margin: 0 auto;
}

.catalog-page__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin: 0.75rem 0 1rem;
}

.catalog-page__intro {
    color: var(--muted);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 5rem;
    align-items: start;
}

.catalog-filters {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    background: var(--gray);
    border: 1px solid var(--border);
    padding: 1.5rem;
}

.catalog-filters__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.catalog-filters__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 400;
}

.catalog-filters__clear {
    font-size: 0.75rem;
    color: var(--blue);
    text-decoration: none;
    letter-spacing: 0.04em;
}

.catalog-filters__clear:hover {
    text-decoration: underline;
}

.catalog-filters__form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.catalog-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.catalog-field span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.catalog-field input,
.catalog-field select {
    background: var(--white);
    border: 1px solid var(--border);
    color: var(--black);
    padding: 0.6rem 0.75rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
}

.catalog-field input:focus,
.catalog-field select:focus {
    outline: none;
    border-color: var(--blue);
}

.catalog-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
}

.catalog-check input {
    accent-color: var(--blue);
}

.catalog-results__count {
    font-size: 0.8125rem;
    color: var(--muted);
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.catalog-results__count strong {
    color: var(--black);
}

.catalog-empty {
    text-align: center;
    padding: 4rem 2rem;
    border: 1px dashed var(--border);
}

.catalog-empty p {
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.products--catalog {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 2rem;
}

.catalog-pagination {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.catalog-pagination__link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blue);
    padding: 0.65rem 1rem;
    border: 1px solid var(--border);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.catalog-pagination__link:hover {
    background: rgba(0, 0, 255, 0.05);
}

@media (max-width: 900px) {
    .catalog-layout {
        grid-template-columns: 1fr;
        padding: 0 1rem 3rem;
    }

    .catalog-page__hero {
        padding: 2rem 1rem 1.5rem;
    }

    .catalog-filters {
        position: static;
        padding: 1rem;
    }

    .catalog-filters__form {
        gap: 0.875rem;
    }

    .catalog-field input,
    .catalog-field select {
        min-height: 44px;
        font-size: 1rem;
    }

    .catalog-check {
        min-height: 44px;
    }

    .products--catalog {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1.25rem;
    }
}

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