.v4-catalog-page,
.v4-catalog-page * {
    box-sizing: border-box;
}

.v4-catalog-page {
    min-width: 0;
    overflow-x: hidden;
}

.v4-catalog-main {
    min-height: 60vh;
    padding-block: 22px 88px;
}

.v4-catalog-hero {
    max-width: 920px;
    padding: clamp(34px, 7vw, 84px) 0 clamp(38px, 6vw, 72px);
}

.v4-catalog-hero--compact {
    padding-bottom: 42px;
}

.v4-catalog-hero h1,
.v4-catalog-state h1,
.v4-catalog-state h2,
.v4-catalog-state h3,
.v4-catalog-part-card h3,
.v4-catalog-directory-card strong,
.v4-catalog-name-grid a {
    overflow-wrap: anywhere;
}

.v4-catalog-hero h1 {
    max-width: 820px;
    margin: 8px 0 18px;
    color: var(--v4-ink);
    font-size: clamp(38px, 6vw, 72px);
    font-weight: 700;
    line-height: .98;
    letter-spacing: -.035em;
}

.v4-catalog-hero--compact h1 {
    font-size: clamp(36px, 5vw, 60px);
}

.v4-catalog-hero > p:not(.v4-eyebrow) {
    max-width: 760px;
    margin: 0;
    color: var(--v4-muted);
    font-size: clamp(17px, 2vw, 20px);
    line-height: 1.65;
}

.v4-catalog-hero .v4-button-row {
    margin-top: 28px;
}

.v4-catalog-entry-grid,
.v4-catalog-directory-grid,
.v4-catalog-name-grid,
.v4-catalog-part-grid {
    display: grid;
    min-width: 0;
}

.v4-catalog-entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 82px;
}

.v4-catalog-entry-grid > a {
    display: grid;
    min-height: 180px;
    padding: 25px;
    border: 1px solid var(--v4-line);
    border-radius: 16px;
    color: var(--v4-ink);
    text-decoration: none;
    transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.v4-catalog-entry-grid > a:hover,
.v4-catalog-entry-grid > a:focus-visible {
    border-color: var(--v4-ink);
    box-shadow: 0 18px 40px rgba(18, 23, 31, .08);
    transform: translateY(-2px);
}

.v4-catalog-entry-grid span {
    color: var(--v4-red);
    font-size: 13px;
    font-weight: 800;
}

.v4-catalog-entry-grid strong {
    align-self: end;
    margin-top: 24px;
    font-size: 22px;
}

.v4-catalog-entry-grid small,
.v4-catalog-directory-card small {
    margin-top: 7px;
    color: var(--v4-muted);
    font-size: 14px;
    line-height: 1.5;
}

.v4-catalog-section {
    padding-block: 34px 70px;
}

.v4-catalog-directory-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.v4-catalog-directory-card {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 4px 14px;
    min-height: 132px;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--v4-line);
    border-radius: 14px;
    color: var(--v4-ink);
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(18, 23, 31, .03);
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.v4-catalog-directory-card:hover,
.v4-catalog-directory-card:focus-visible {
    border-color: var(--v4-red);
    box-shadow: 0 14px 30px rgba(18, 23, 31, .08);
    transform: translateY(-2px);
}

.v4-catalog-directory-card__media {
    display: grid;
    width: 76px;
    height: 62px;
    grid-row: 1 / 3;
    place-items: center;
}

.v4-catalog-directory-card__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.v4-catalog-directory-card strong {
    align-self: end;
    font-size: 16px;
    font-weight: 600;
}

.v4-catalog-name-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.v4-catalog-name-grid a {
    display: flex;
    min-height: 54px;
    align-items: center;
    padding: 14px 16px;
    border: 1px solid var(--v4-line);
    border-radius: 10px;
    color: var(--v4-ink);
    font-weight: 600;
    text-decoration: none;
}

.v4-catalog-name-grid a:hover,
.v4-catalog-name-grid a:focus-visible {
    border-color: var(--v4-red);
    color: var(--v4-red);
}

.v4-catalog-name-grid--directory a {
    gap: 12px;
    min-height: 72px;
}

.v4-catalog-name-grid--directory a > span {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 50%;
    background: var(--v4-soft);
    color: var(--v4-red);
}

.v4-catalog-summary {
    display: flex;
    min-height: 52px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--v4-line);
    color: var(--v4-muted);
}

.v4-catalog-summary p {
    margin: 0;
}

.v4-alphabet-index {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 26px;
    padding: 18px;
    border: 1px solid var(--v4-line);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(18, 23, 31, .035);
}

.v4-alphabet-index a,
.v4-alphabet-index span {
    display: inline-flex;
    min-width: 38px;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    padding-inline: 10px;
    border: 1px solid var(--v4-line);
    border-radius: 8px;
    color: var(--v4-ink);
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
}

.v4-alphabet-index a:hover,
.v4-alphabet-index a:focus-visible,
.v4-alphabet-index a[aria-current="page"] {
    border-color: var(--v4-red);
    color: #fff;
    background: var(--v4-red);
}

.v4-alphabet-index span[aria-disabled="true"] {
    color: #a4aab2;
    background: #f7f8fa;
}

.v4-manufacturer-groups {
    display: grid;
    gap: 36px;
}

.v4-manufacturer-group {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 26px;
    padding-top: 8px;
}

.v4-manufacturer-group h2 {
    margin: 0;
    color: var(--v4-red);
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 600;
    letter-spacing: -.035em;
    line-height: 1;
}

.v4-manufacturer-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--v4-line);
}

.v4-manufacturer-list a {
    display: flex;
    min-width: 0;
    min-height: 58px;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 13px 14px;
    border-bottom: 1px solid var(--v4-line);
    color: var(--v4-ink);
    font-size: 14px;
    text-decoration: none;
}

.v4-manufacturer-list a:nth-child(3n + 2),
.v4-manufacturer-list a:nth-child(3n + 3) {
    border-left: 1px solid var(--v4-line);
}

.v4-manufacturer-list a:hover,
.v4-manufacturer-list a:focus-visible {
    color: var(--v4-red);
    background: #fff7f8;
}

.v4-manufacturer-list strong {
    overflow-wrap: anywhere;
    font-weight: 600;
}

.v4-manufacturer-list span {
    flex: 0 0 auto;
    color: var(--v4-red);
}

.v4-catalog-part-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.v4-catalog-part-card {
    display: flex;
    min-width: 0;
    min-height: 100%;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--v4-line);
    border-radius: 16px;
    background: #fff;
}

.v4-catalog-part-card__media {
    display: grid;
    min-height: 190px;
    place-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--v4-line);
    background: var(--v4-soft);
    color: var(--v4-muted);
    text-align: center;
    text-decoration: none;
}

.v4-catalog-part-card__media img {
    width: 100%;
    height: 190px;
    object-fit: contain;
    padding: 18px;
    background: #fff;
}

.v4-catalog-part-card__fallback {
    padding: 24px;
    font-size: 14px;
}

.v4-catalog-part-card__body {
    flex: 1 1 auto;
    padding: 20px 20px 14px;
}

.v4-catalog-part-card__manufacturer {
    min-height: 21px;
    margin: 0 0 6px;
    color: var(--v4-muted);
    font-size: 13px;
    font-weight: 700;
}

.v4-catalog-part-card h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.25;
}

.v4-catalog-part-card h3 a {
    color: var(--v4-ink);
    text-decoration: none;
}

.v4-catalog-part-card h3 a:hover,
.v4-catalog-part-card h3 a:focus-visible {
    color: var(--v4-red);
}

.v4-catalog-part-card__description {
    display: -webkit-box;
    margin: 12px 0 0;
    overflow: hidden;
    color: var(--v4-muted);
    font-size: 14px;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.v4-catalog-part-card__availability {
    margin: 16px 0 0;
    color: var(--v4-ink);
    font-size: 14px;
    font-weight: 800;
}

.v4-catalog-part-card__actions {
    display: grid;
    gap: 10px;
    padding: 0 20px 20px;
}

.v4-catalog-part-card__actions .v4-button,
.v4-catalog-part-card__actions .v4-text-link {
    width: 100%;
    min-height: 44px;
    justify-content: center;
    text-align: center;
}

.v4-catalog-state {
    padding: clamp(28px, 5vw, 52px);
    border: 1px solid var(--v4-line);
    border-radius: 16px;
    background: var(--v4-soft);
}

.v4-catalog-state--page {
    max-width: 900px;
    margin: 54px auto;
}

.v4-catalog-state h1,
.v4-catalog-state h2,
.v4-catalog-state h3 {
    margin: 6px 0 14px;
}

.v4-catalog-state p {
    max-width: 700px;
    color: var(--v4-muted);
    line-height: 1.65;
}

.v4-catalog-state .v4-button-row {
    margin-top: 22px;
}

.v4-catalog-pagination {
    margin-top: 34px;
}

.v4-catalog-page a:focus-visible,
.v4-catalog-page button:focus-visible {
    outline: 3px solid #146ee8;
    outline-offset: 3px;
}

@media (max-width: 1023px) {
    .v4-catalog-directory-grid,
    .v4-catalog-name-grid,
    .v4-catalog-part-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .v4-manufacturer-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .v4-manufacturer-list a:nth-child(3n + 2),
    .v4-manufacturer-list a:nth-child(3n + 3) {
        border-left: 0;
    }

    .v4-manufacturer-list a:nth-child(even) {
        border-left: 1px solid var(--v4-line);
    }
}

@media (max-width: 767px) {
    .v4-catalog-main {
        padding-block: 18px 68px;
    }

    .v4-catalog-hero {
        padding-block: 28px 42px;
    }

    .v4-catalog-hero h1 {
        font-size: clamp(34px, 12vw, 48px);
    }

    .v4-catalog-entry-grid {
        grid-template-columns: 1fr;
        margin-bottom: 54px;
    }

    .v4-catalog-entry-grid > a {
        min-height: 142px;
    }

    .v4-catalog-section {
        padding-block: 28px 48px;
    }

    .v4-catalog-directory-grid,
    .v4-catalog-name-grid,
    .v4-catalog-part-grid {
        grid-template-columns: 1fr;
    }

    .v4-alphabet-index {
        gap: 6px;
        padding: 14px;
    }

    .v4-alphabet-index a,
    .v4-alphabet-index span {
        min-width: 36px;
        min-height: 36px;
    }

    .v4-manufacturer-group {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .v4-manufacturer-list {
        grid-template-columns: 1fr;
    }

    .v4-manufacturer-list a:nth-child(even) {
        border-left: 0;
    }

    .v4-catalog-part-card {
        display: grid;
        grid-template-columns: 112px minmax(0, 1fr);
    }

    .v4-catalog-part-card__media {
        min-height: 150px;
        border-right: 1px solid var(--v4-line);
        border-bottom: 0;
    }

    .v4-catalog-part-card__media img {
        height: 150px;
        padding: 12px;
    }

    .v4-catalog-part-card__body {
        padding: 16px;
    }

    .v4-catalog-part-card__actions {
        grid-column: 1 / -1;
        padding: 0 16px 16px;
    }
}

@media (max-width: 430px) {
    .v4-catalog-part-card {
        grid-template-columns: 88px minmax(0, 1fr);
    }

    .v4-catalog-part-card__media,
    .v4-catalog-part-card__media img {
        min-height: 126px;
        height: 126px;
    }

    .v4-catalog-directory-card {
        grid-template-columns: 64px minmax(0, 1fr);
        padding: 16px;
    }

    .v4-catalog-directory-card__media {
        width: 64px;
        height: 56px;
    }

    .v4-catalog-state .v4-button-row {
        display: grid;
        grid-template-columns: 1fr;
    }

    .v4-catalog-pagination {
        justify-content: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .v4-catalog-page * {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}