:root {
    --catalog-ink: #12363c;
    --catalog-muted: #62787c;
    --catalog-line: #dce9e9;
    --catalog-soft: #f2f8f7;
    --catalog-deep: #0d5f69;
    --catalog-teal: #3d9ba7;
    --catalog-gold: #e5a813;
}

.catalog-page {
    min-height: 100vh;
    background: #f7faf9;
    color: var(--catalog-ink);
}

.catalog-page main {
    min-height: 70vh;
}

.catalog-page [hidden] {
    display: none !important;
}

.catalog-site-header .nav-active {
    color: var(--white);
    position: relative;
}

.catalog-site-header .nav-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -9px;
    height: 2px;
    border-radius: 999px;
    background: var(--white);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.catalog-hero {
    position: relative;
    overflow: hidden;
    padding: 118px 0 48px;
    color: var(--white);
    background:
        linear-gradient(120deg, rgba(7, 55, 63, 0.97), rgba(31, 128, 139, 0.91)),
        radial-gradient(circle at top right, #7fc6c8, #0b5863 64%);
}

.catalog-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 32px;
    background: #f7faf9;
    clip-path: polygon(0 72%, 100% 0, 100% 100%, 0 100%);
}

.catalog-orb {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    pointer-events: none;
}

.catalog-orb-one {
    top: 56px;
    right: 7%;
    width: 310px;
    height: 310px;
    box-shadow: 0 0 0 46px rgba(255, 255, 255, 0.03), 0 0 0 92px rgba(255, 255, 255, 0.025);
}

.catalog-orb-two {
    bottom: -130px;
    left: -70px;
    width: 260px;
    height: 260px;
    background: rgba(230, 166, 0, 0.1);
}

.catalog-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 920px;
}

.catalog-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 8px 13px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.catalog-eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f3c652;
    box-shadow: 0 0 0 5px rgba(243, 198, 82, 0.14);
}

.catalog-hero h1 {
    max-width: 760px;
    margin: 0 0 12px;
    font-size: clamp(34px, 5vw, 54px);
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.catalog-hero-inner > p {
    max-width: 690px;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 17px;
}

.catalog-search {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    max-width: 760px;
    padding: 7px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 17px;
    background: var(--white);
    box-shadow: 0 18px 55px rgba(2, 29, 33, 0.28);
}

.catalog-search svg {
    width: 22px;
    height: 22px;
    margin-left: 15px;
    stroke: #6b8185;
    stroke-width: 1.8;
}

.catalog-search input {
    min-width: 0;
    padding: 13px 15px;
    border: 0;
    outline: 0;
    color: var(--catalog-ink);
    background: transparent;
    font: inherit;
    font-size: 15px;
}

.catalog-search input::placeholder {
    color: #90a0a3;
}

.catalog-search button {
    padding: 12px 23px;
    border: 0;
    border-radius: 11px;
    color: var(--white);
    background: var(--catalog-deep);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}

.catalog-search button:hover {
    background: #084f58;
    transform: translateY(-1px);
}

.catalog-field-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.catalog-field-strip span {
    padding: 6px 11px;
    border-radius: 7px;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.09);
    font-size: 12px;
    font-weight: 600;
}

.catalog-results {
    padding: 72px 0 96px;
}

.catalog-category-filter {
    margin-bottom: 34px;
    padding: 22px;
    border: 1px solid var(--catalog-line);
    border-radius: 20px;
    background: var(--white);
    box-shadow: 0 12px 34px rgba(17, 67, 73, 0.06);
}

.catalog-category-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 15px;
    color: var(--catalog-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.catalog-category-loading {
    color: var(--catalog-teal);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}

.catalog-category-tabs,
.catalog-subcategory-tabs {
    display: flex;
    gap: 9px;
    overflow-x: auto;
    padding: 2px 2px 7px;
    scrollbar-width: thin;
    scrollbar-color: #c0d9d8 transparent;
}

.catalog-subcategory-tabs {
    margin-top: 13px;
    padding-top: 14px;
    border-top: 1px solid var(--catalog-line);
}

.catalog-category-tab,
.catalog-subcategory-tab {
    flex: 0 0 auto;
    min-height: 39px;
    padding: 9px 15px;
    border: 1px solid var(--catalog-line);
    border-radius: 999px;
    color: var(--catalog-deep);
    background: var(--catalog-soft);
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}

.catalog-subcategory-tab {
    min-height: 35px;
    padding: 7px 13px;
    background: var(--white);
}

.catalog-category-tab:hover,
.catalog-subcategory-tab:hover {
    border-color: var(--catalog-teal);
    transform: translateY(-1px);
}

.catalog-category-tab.is-active,
.catalog-subcategory-tab.is-active {
    border-color: var(--catalog-deep);
    color: var(--white);
    background: var(--catalog-deep);
    box-shadow: 0 6px 16px rgba(13, 95, 105, 0.18);
}

.catalog-category-retry {
    margin-top: 12px;
    padding: 0;
    font-size: 12px;
}

.catalog-results-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.catalog-section-kicker {
    margin-bottom: 5px;
    color: var(--catalog-teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.13em;
}

.catalog-results-head h2 {
    font-size: clamp(27px, 4vw, 38px);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.catalog-results-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--catalog-muted);
    font-size: 13px;
}

.catalog-text-button {
    border: 0;
    color: var(--catalog-deep);
    background: transparent;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.catalog-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--catalog-line);
    border-radius: 18px;
    background: var(--white);
    box-shadow: 0 8px 30px rgba(17, 67, 73, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.catalog-card:hover {
    border-color: #b9d6d5;
    box-shadow: 0 18px 44px rgba(17, 67, 73, 0.13);
    transform: translateY(-5px);
}

.catalog-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.catalog-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: linear-gradient(145deg, #edf5f4, #dcebea);
}

.catalog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.catalog-card:hover .catalog-card-image img {
    transform: scale(1.035);
}

.catalog-image-fallback {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    color: #8aa2a4;
}

.catalog-image-fallback img {
    width: 74px;
    height: 74px;
    object-fit: contain;
    opacity: 0.45;
}

.catalog-card-number {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 9px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 8px;
    color: var(--catalog-ink);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    font-size: 11px;
    font-weight: 800;
}

.catalog-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 20px;
}

.catalog-card-sku {
    margin-bottom: 8px;
    color: var(--catalog-teal);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.catalog-card h3 {
    min-height: 48px;
    margin-bottom: 9px;
    font-size: 18px;
    line-height: 1.3;
    letter-spacing: -0.015em;
}

.catalog-card-description {
    display: -webkit-box;
    min-height: 44px;
    margin-bottom: 18px;
    overflow: hidden;
    color: var(--catalog-muted);
    font-size: 13px;
    line-height: 1.65;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.catalog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid #edf3f2;
}

.catalog-card-price {
    color: var(--catalog-deep);
    font-size: 19px;
    font-weight: 800;
}

.catalog-card-view {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--catalog-deep);
    font-size: 12px;
    font-weight: 800;
}

.catalog-card-view svg {
    width: 16px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.2s;
}

.catalog-card:hover .catalog-card-view svg {
    transform: translateX(3px);
}

.catalog-skeleton {
    min-height: 390px;
    overflow: hidden;
    border: 1px solid #e4eeee;
    border-radius: 18px;
    background: var(--white);
}

.catalog-skeleton::before {
    content: "";
    display: block;
    height: 230px;
    background: linear-gradient(90deg, #eaf2f1 25%, #f5f8f7 50%, #eaf2f1 75%);
    background-size: 200% 100%;
    animation: catalog-shimmer 1.25s infinite;
}

.catalog-skeleton-lines {
    padding: 20px;
}

.catalog-skeleton-lines span,
.detail-skeleton-copy span {
    display: block;
    height: 12px;
    margin-bottom: 13px;
    border-radius: 999px;
    background: linear-gradient(90deg, #eaf2f1 25%, #f7f9f8 50%, #eaf2f1 75%);
    background-size: 200% 100%;
    animation: catalog-shimmer 1.25s infinite;
}

.catalog-skeleton-lines span:nth-child(1) { width: 34%; }
.catalog-skeleton-lines span:nth-child(2) { width: 78%; height: 17px; }
.catalog-skeleton-lines span:nth-child(3) { width: 100%; }
.catalog-skeleton-lines span:nth-child(4) { width: 52%; }

@keyframes catalog-shimmer {
    to { background-position: -200% 0; }
}

.catalog-state {
    max-width: 590px;
    margin: 52px auto;
    padding: 46px 28px;
    border: 1px solid var(--catalog-line);
    border-radius: 20px;
    text-align: center;
    background: var(--white);
}

.catalog-state-icon {
    display: grid;
    place-items: center;
    width: 62px;
    height: 62px;
    margin: 0 auto 18px;
    border-radius: 18px;
    color: var(--catalog-teal);
    background: var(--catalog-soft);
}

.catalog-state-icon svg {
    width: 30px;
    stroke: currentColor;
    stroke-width: 1.6;
}

.catalog-state h3,
.catalog-state h1 {
    margin-bottom: 8px;
    font-size: 24px;
}

.catalog-state p {
    margin: 0 auto 20px;
    color: var(--catalog-muted);
}

.catalog-primary-button,
.catalog-secondary-button,
.catalog-load-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 46px;
    padding: 11px 18px;
    border-radius: 11px;
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.catalog-primary-button,
.catalog-load-more {
    border: 1px solid var(--catalog-deep);
    color: var(--white);
    background: var(--catalog-deep);
}

.catalog-primary-button:hover,
.catalog-load-more:hover {
    box-shadow: 0 9px 22px rgba(13, 95, 105, 0.2);
    transform: translateY(-2px);
}

.catalog-secondary-button {
    border: 1px solid var(--catalog-line);
    color: var(--catalog-deep);
    background: var(--white);
}

.catalog-secondary-button:hover {
    background: var(--catalog-soft);
}

.catalog-primary-button svg,
.catalog-secondary-button svg,
.catalog-load-more svg {
    width: 18px;
    stroke: currentColor;
    stroke-width: 1.8;
}

.catalog-pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    max-width: 920px;
    margin-top: 40px;
    margin-right: auto;
    margin-left: auto;
    padding: 20px;
    border: 1px solid var(--catalog-line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 14px 38px rgba(19, 71, 77, 0.07);
    backdrop-filter: blur(10px);
}

.catalog-pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

.catalog-pagination-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    padding: 9px 13px;
    border: 1px solid var(--catalog-line);
    border-radius: 11px;
    color: var(--catalog-deep);
    background: var(--white);
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.catalog-pagination-button:hover:not(:disabled) {
    border-color: rgba(13, 95, 105, 0.42);
    box-shadow: 0 8px 20px rgba(13, 95, 105, 0.1);
    transform: translateY(-1px);
}

.catalog-pagination-button:disabled {
    cursor: not-allowed;
    opacity: 0.42;
    transform: none;
}

.catalog-pagination-button svg {
    width: 17px;
    stroke: currentColor;
    stroke-width: 2;
}

.catalog-current-page {
    padding: 5px 12px;
    border-radius: 999px;
    color: var(--catalog-muted);
    background: var(--catalog-soft);
    font-size: 13px;
    font-weight: 800;
    text-align: center;
}

.catalog-page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.catalog-page-number {
    display: grid;
    place-items: center;
    min-width: 42px;
    height: 42px;
    padding: 0 8px;
    border: 1px solid transparent;
    border-radius: 11px;
    color: var(--catalog-muted);
    background: transparent;
    font: inherit;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: color 0.2s, background 0.2s, transform 0.2s;
}

.catalog-page-number:hover {
    color: var(--catalog-deep);
    background: var(--catalog-soft);
    transform: translateY(-1px);
}

.catalog-page-number.is-active {
    border-color: var(--catalog-deep);
    color: var(--white);
    background: var(--catalog-deep);
    box-shadow: 0 8px 18px rgba(13, 95, 105, 0.2);
}

.catalog-page-ellipsis {
    min-width: 20px;
    color: var(--catalog-muted);
    text-align: center;
}

.catalog-page-jump {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--catalog-muted);
    font-size: 12px;
    font-weight: 700;
}

.catalog-page-jump input {
    width: 72px;
    height: 38px;
    padding: 7px 9px;
    border: 1px solid var(--catalog-line);
    border-radius: 9px;
    color: var(--catalog-ink);
    background: var(--white);
    font: inherit;
    text-align: center;
}

.catalog-page-jump input:focus {
    border-color: var(--catalog-teal);
    outline: 3px solid rgba(61, 155, 167, 0.13);
}

.catalog-page-jump button {
    height: 38px;
    padding: 7px 14px;
    border: 1px solid var(--catalog-deep);
    border-radius: 9px;
    color: var(--white);
    background: var(--catalog-deep);
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.catalog-footer {
    padding-top: 58px;
}

.catalog-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 35px;
}

.catalog-footer .footer-brand {
    max-width: 340px;
}

.catalog-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px 26px;
}

.catalog-footer-links a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
}

.catalog-footer-links a:hover {
    color: var(--white);
}

/* Product detail */
.detail-main {
    padding: 100px 0 64px;
    background:
        radial-gradient(circle at 95% 6%, rgba(72, 158, 171, 0.13), transparent 24%),
        #f7faf9;
}

.catalog-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 26px;
    color: var(--catalog-muted);
    font-size: 13px;
}

.catalog-breadcrumb a:hover {
    color: var(--catalog-deep);
}

.catalog-breadcrumb span:last-child {
    max-width: 380px;
    overflow: hidden;
    color: var(--catalog-ink);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.detail-loading,
.product-sheet {
    display: grid;
    grid-template-columns: minmax(280px, 400px) minmax(0, 1fr);
    gap: 38px;
}

.detail-loading {
    min-height: 520px;
    padding: 24px;
    border: 1px solid var(--catalog-line);
    border-radius: 24px;
    background: var(--white);
}

.detail-skeleton {
    border-radius: 18px;
    background: linear-gradient(90deg, #e6efee 25%, #f6f9f8 50%, #e6efee 75%);
    background-size: 200% 100%;
    animation: catalog-shimmer 1.25s infinite;
}

.detail-skeleton-copy {
    padding-top: 42px;
}

.detail-skeleton-copy span:nth-child(1) { width: 26%; }
.detail-skeleton-copy span:nth-child(2) { width: 84%; height: 34px; margin: 24px 0; }
.detail-skeleton-copy span:nth-child(3) { width: 45%; height: 24px; }
.detail-skeleton-copy span:nth-child(4) { width: 100%; height: 180px; margin-top: 42px; }

.detail-error {
    margin-top: 70px;
}

.product-sheet {
    position: relative;
    align-items: start;
    overflow: hidden;
    padding: 24px;
    border: 1px solid var(--catalog-line);
    border-radius: 22px;
    background: var(--white);
    box-shadow: 0 16px 48px rgba(19, 71, 77, 0.09);
}

.product-sheet::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--catalog-deep), var(--catalog-teal), var(--catalog-gold));
    content: "";
}

.product-visual-column {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.product-image-panel {
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    border: 1px solid #d8e8e7;
    border-radius: 17px;
    background: linear-gradient(145deg, #edf5f4, #dbe9e7);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
}

.product-image-panel > img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--white);
}

.product-image-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: var(--catalog-muted);
    font-size: 13px;
}

.product-image-fallback img {
    width: 100px;
    opacity: 0.5;
}

.product-information {
    min-width: 0;
    padding: 4px 2px 2px 0;
}

.product-sheet-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.product-category {
    margin-bottom: 9px;
    color: var(--catalog-teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.product-sheet-heading h1 {
    max-width: 600px;
    font-size: clamp(26px, 3.3vw, 38px);
    line-height: 1.13;
    letter-spacing: -0.035em;
}

.product-reference-number {
    flex: 0 0 auto;
    padding: 9px 11px;
    border-radius: 9px;
    text-align: right;
    background: var(--catalog-soft);
}

.product-reference-number span,
.product-reference-number strong {
    display: block;
}

.product-reference-number span {
    color: var(--catalog-muted);
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.product-reference-number strong {
    margin-top: 2px;
    color: var(--catalog-deep);
    font-size: 13px;
}

.product-key-facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 20px 0 14px;
}

.product-key-facts > div {
    padding: 12px 14px;
    border: 1px solid var(--catalog-line);
    border-radius: 12px;
    background: #fbfdfc;
}

.product-key-facts span,
.product-key-facts strong {
    display: block;
}

.product-key-facts span {
    margin-bottom: 3px;
    color: var(--catalog-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.product-key-facts strong {
    overflow-wrap: anywhere;
    font-size: 16px;
}

.product-key-facts .product-price {
    color: var(--catalog-deep);
    font-size: 22px;
}

.product-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}

.product-description-section {
    padding: 20px 0;
    border-top: 1px solid var(--catalog-line);
}

.product-description-section h2,
.product-specifications-heading h2 {
    margin-bottom: 10px;
    font-size: 19px;
    letter-spacing: -0.02em;
}

.product-description-section p {
    color: var(--catalog-muted);
    line-height: 1.72;
    white-space: pre-line;
}

.product-specifications {
    overflow: hidden;
    border: 1px solid #bdd9d7;
    border-radius: 16px;
}

.product-specifications-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 15px 18px;
    color: var(--white);
    background: linear-gradient(110deg, var(--catalog-deep), #328c95);
}

.product-specifications-heading h2 {
    margin: 0;
}

.product-specifications-heading svg {
    width: 27px;
    stroke: rgba(255, 255, 255, 0.82);
    stroke-width: 1.4;
}

.product-data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.product-data-item {
    min-width: 0;
    padding: 14px 16px;
    border-right: 1px solid var(--catalog-line);
    border-bottom: 1px solid var(--catalog-line);
}

.product-data-item:nth-child(2n) {
    border-right: 0;
}

.product-data-item:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.product-data-item dt {
    margin-bottom: 6px;
    color: var(--catalog-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.product-data-item dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--catalog-ink);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.6;
    white-space: pre-line;
}

.product-sheet-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 14px;
    color: var(--catalog-muted);
    font-size: 10px;
}

.detail-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    color: var(--catalog-deep);
    font-size: 13px;
    font-weight: 800;
}

.detail-back-link svg {
    width: 18px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.2s;
}

.detail-back-link:hover svg {
    transform: translateX(-3px);
}

@media (max-width: 1024px) {
    .catalog-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .detail-loading,
    .product-sheet {
        grid-template-columns: minmax(250px, 340px) minmax(0, 1fr);
        gap: 26px;
    }

    .product-sheet {
        padding: 18px;
    }
}

@media (max-width: 768px) {
    .catalog-site-header .nav-active::after {
        display: none;
    }

    .catalog-site-header .mobile-menu-btn {
        position: relative;
        z-index: 2;
        display: flex;
        flex: 0 0 auto;
        margin-left: auto;
    }

    .catalog-mobile-menu.active {
        display: block;
    }

    .catalog-hero {
        padding: 104px 0 42px;
    }

    .catalog-hero h1 {
        font-size: 34px;
    }

    .catalog-results {
        padding: 54px 0 72px;
    }

    .catalog-footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .catalog-footer .footer-logo {
        margin: 0 auto 16px;
    }

    .catalog-footer-links {
        justify-content: center;
    }

    .detail-main {
        padding: 102px 0 62px;
    }

    .detail-loading,
    .product-sheet {
        grid-template-columns: 1fr;
    }

    .detail-loading {
        min-height: 760px;
    }

    .detail-skeleton-image {
        min-height: 360px;
    }

    .product-visual-column {
        position: static;
        max-width: 420px;
    }

    .product-information {
        padding: 6px 0 0;
    }
}

@media (max-width: 560px) {
    .catalog-hero h1 {
        font-size: 31px;
    }

    .catalog-hero-inner > p {
        font-size: 15px;
    }

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

    .catalog-search button {
        grid-column: 1 / -1;
        margin-top: 4px;
    }

    .catalog-field-strip {
        gap: 6px;
    }

    .catalog-results-head {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .catalog-category-filter {
        margin-bottom: 26px;
        padding: 17px 12px;
        border-radius: 16px;
    }

    .catalog-pagination {
        padding: 16px 10px;
    }

    .catalog-pagination-controls {
        flex-wrap: wrap;
    }

    .catalog-pagination-button span {
        display: none;
    }

    .catalog-pagination-button {
        min-width: 42px;
        padding: 9px;
    }

    .catalog-page-numbers {
        order: 3;
        width: 100%;
    }

    .catalog-page-number {
        min-width: 38px;
        height: 38px;
    }

    .catalog-page-jump {
        flex-wrap: wrap;
    }

    .catalog-card h3,
    .catalog-card-description {
        min-height: 0;
    }

    .product-sheet {
        padding: 14px;
        border-radius: 18px;
    }

    .product-sheet-heading {
        flex-direction: column-reverse;
        gap: 15px;
    }

    .product-reference-number {
        text-align: left;
    }

    .product-key-facts,
    .product-data-grid {
        grid-template-columns: 1fr;
    }

    .product-data-item,
    .product-data-item:nth-child(2n),
    .product-data-item:nth-last-child(-n + 2) {
        border-right: 0;
        border-bottom: 1px solid var(--catalog-line);
    }

    .product-data-item:last-child {
        border-bottom: 0;
    }

    .product-actions > * {
        flex: 1 1 100%;
    }

    .product-sheet-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .catalog-card,
    .catalog-card-image img,
    .catalog-card-view svg,
    .catalog-primary-button,
    .catalog-secondary-button,
    .catalog-load-more {
        transition: none;
    }
}

@media print {
    @page {
        size: A4;
        margin: 12mm;
    }

    body.catalog-page {
        background: var(--white);
        color: #111;
    }

    .catalog-site-header,
    .catalog-mobile-menu,
    .catalog-breadcrumb,
    .no-print {
        display: none !important;
    }

    .detail-main {
        padding: 0;
        background: var(--white);
    }

    .detail-main .container {
        max-width: none;
        padding: 0;
    }

    .product-sheet {
        grid-template-columns: 38% 62%;
        gap: 8mm;
        padding: 0;
        border: 0;
        box-shadow: none;
    }

    .product-sheet::before {
        display: none;
    }

    .product-visual-column {
        position: static;
    }

    .product-image-panel {
        border: 1px solid #ccc;
        border-radius: 4mm;
    }

    .product-information {
        padding: 0;
    }

    .product-sheet-heading h1 {
        font-size: 22pt;
    }

    .product-description-section {
        padding: 5mm 0;
    }

    .product-specifications-heading {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}