:root {
    --bc-primary: #0754b8;
    --bc-primary-hover: #06489d;
    --bc-primary-light: #edf5ff;
    --bc-navy: #102f69;
    --bc-navy-dark: #022452;
    --bc-heading: #102f69;
    --bc-text: #273a58;
    --bc-muted: #6e7e95;
    --bc-border: #d9e4f0;
    --bc-border-light: #e8eef6;
    --bc-bg-light: #f6f8fb;
    --bc-white: #ffffff;
    --bc-error: #c83d4b;
    --bc-success: #13845c;
    --bc-shadow: 0 10px 28px rgba(8, 38, 85, 0.07);
    --bc-shadow-card: 0 18px 44px rgba(8, 38, 85, 0.12);
    --bc-radius-sm: 5px;
    --bc-radius-md: 7px;
    --bc-container-width: 1820px;
    --bc-wide-width: 2200px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
    color: var(--bc-text);
    background: var(--bc-white);
    font-family: Inter, Arial, "Helvetica Neue", sans-serif;
    font-size: 16px;
    line-height: 1.58;
    overflow-wrap: anywhere;
}

body.bc-lock {
    overflow: hidden;
}

#main-content {
    display: flex;
    flex-direction: column;
}

#main-content > * {
    order: 10;
}

#main-content > .page-banner {
    order: 1;
}

#main-content > .bc-brand-tabs-section {
    order: 2;
}

#main-content > .bc-introduction {
    order: 3;
}

#main-content > .bc-products-section {
    order: 4;
}

#main-content > .bc-bottom-modules {
    order: 5;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

svg {
    display: block;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
p {
    margin: 0;
}

:focus-visible {
    outline: 3px solid rgba(7, 84, 184, 0.22);
    outline-offset: 2px;
}

.bc-container {
    width: min(100% - 56px, var(--bc-container-width));
    margin-inline: auto;
}

.bc-visually-hidden,
.bc-skip-link:not(:focus) {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.bc-skip-link:focus {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 10000;
    padding: 10px 14px;
    color: var(--bc-white);
    background: var(--bc-primary);
    border-radius: var(--bc-radius-sm);
}

.bc-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: var(--bc-radius-sm);
    font-size: 15px;
    font-weight: 850;
    line-height: 1.2;
    text-align: center;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.bc-button--primary {
    color: var(--bc-white);
    background: var(--bc-primary);
    border-color: var(--bc-primary);
}

.bc-button--primary:hover,
.bc-button--primary:focus-visible {
    background: var(--bc-primary-hover);
    border-color: var(--bc-primary-hover);
}

.bc-button--outline {
    color: var(--bc-primary);
    background: var(--bc-white);
    border-color: var(--bc-primary);
}

.bc-button--outline:hover,
.bc-button--outline:focus-visible {
    color: var(--bc-white);
    background: var(--bc-primary);
}

.bc-introduction {
    padding: 18px 0 44px;
    background:
        linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.bc-introduction__content {
    width: 100%;
    padding: 30px 34px;
    background: var(--bc-white);
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-md);
    box-shadow: var(--bc-shadow);
}

.bc-introduction__content h2 {
    max-width: 1280px;
    margin-bottom: 16px;
    color: var(--bc-heading);
    font-size: 30px;
    font-weight: 900;
    line-height: 1.22;
}

.bc-introduction__content p {
    max-width: 1480px;
    color: #344866;
    font-size: 16px;
    line-height: 1.72;
}

.bc-introduction__content p + p {
    margin-top: 14px;
}

.bc-trademark-notice {
    margin-top: 22px;
    padding: 16px 18px;
    color: #304467;
    background: #f3f8ff;
    border: 1px solid #cfe0f5;
    border-left: 4px solid var(--bc-primary);
    border-radius: var(--bc-radius-sm);
    font-size: 14px;
    line-height: 1.62;
}

.bc-trademark-notice strong {
    color: var(--bc-primary);
    font-weight: 900;
}

.bc-brand-tabs-section {
    position: relative;
    z-index: 4;
    padding: 0 0 28px;
}

.bc-brand-tabs {
    position: relative;
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: -46px;
}

.bc-brand-tab {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 12px 24px;
    color: var(--bc-primary);
    background: var(--bc-white);
    border: 1px solid #b7cbed;
    border-radius: var(--bc-radius-md);
    box-shadow: var(--bc-shadow);
    font-size: 20px;
    font-weight: 850;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.bc-brand-tab:hover,
.bc-brand-tab.is-active {
    background: var(--bc-primary-light);
    border-color: var(--bc-primary);
    box-shadow: var(--bc-shadow-card);
    transform: translateY(-2px);
}

.bc-brand-tab__logo {
    width: 150px;
    height: 42px;
    flex: 0 0 150px;
}

.bc-brand-tab:first-of-type .bc-brand-tab__logo {
    width: 170px;
    height: 48px;
    flex: 0 0 170px;
}

.bc-brand-tab__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.bc-brand-tab__icon {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    color: var(--bc-primary);
}

.bc-brand-tab__icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bc-products-section {
    padding-bottom: 28px;
}

.bc-main-layout {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
}

.bc-sidebar {
    position: sticky;
    top: 92px;
}

.bc-filter-panel,
.bc-table-wrap,
.bc-documents,
.bc-advantages,
.bc-inquiry,
.bc-mobile-product {
    background: var(--bc-white);
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-md);
    box-shadow: var(--bc-shadow);
}

.bc-filter-panel__head {
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 22px;
    border-bottom: 1px solid var(--bc-border-light);
}

.bc-filter-panel__head h2 {
    color: var(--bc-heading);
    font-size: 19px;
    font-weight: 850;
}

.bc-reset-link {
    padding: 0;
    color: var(--bc-primary);
    background: transparent;
    border: 0;
    font-size: 14px;
    font-weight: 800;
}

.bc-filter-group {
    border-bottom: 1px solid var(--bc-border-light);
}

.bc-filter-group:last-child {
    border-bottom: 0;
}

.bc-filter-group__toggle {
    width: 100%;
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 22px;
    color: var(--bc-heading);
    background: transparent;
    border: 0;
    font-size: 16px;
    font-weight: 850;
    text-align: left;
}

.bc-filter-group__toggle svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.2s ease;
}

.bc-filter-group.is-open .bc-filter-group__toggle svg {
    transform: rotate(180deg);
}

.bc-filter-group__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
}

.bc-filter-group.is-open .bc-filter-group__body {
    max-height: 520px;
}

.bc-filter-group__inner {
    display: grid;
    gap: 10px;
    padding: 0 22px 22px;
}

.bc-filter-hint {
    color: var(--bc-muted);
    font-size: 14px;
}

.bc-check {
    display: grid;
    grid-template-columns: 20px minmax(0, 1fr);
    align-items: start;
    gap: 10px;
    color: #253b66;
    font-size: 15px;
    line-height: 1.35;
}

.bc-check input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.bc-check__box {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #aebbd0;
    border-radius: 3px;
    margin-top: 2px;
}

.bc-check input:checked + .bc-check__box {
    background: var(--bc-primary);
    border-color: var(--bc-primary);
}

.bc-check input:checked + .bc-check__box::after {
    content: "";
    width: 8px;
    height: 5px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) translate(1px, -1px);
}

.bc-filter-search {
    padding: 22px;
}

.bc-filter-search label {
    display: block;
    margin-bottom: 8px;
    color: var(--bc-heading);
    font-size: 15px;
    font-weight: 850;
}

.bc-search-box {
    display: grid;
    grid-template-columns: 1fr 44px;
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-sm);
    overflow: hidden;
}

.bc-search-box input {
    min-width: 0;
    height: 44px;
    padding: 0 12px;
    border: 0;
    font-size: 15px;
}

.bc-search-box button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--bc-primary);
    background: var(--bc-white);
    border: 0;
    border-left: 1px solid var(--bc-border);
}

.bc-search-box svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.bc-filter-reset-bottom {
    width: calc(100% - 44px);
    min-height: 42px;
    margin: 0 22px 22px;
    color: var(--bc-primary);
    background: var(--bc-white);
    border: 1px solid var(--bc-primary);
}

.bc-product-toolbar {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.bc-product-search {
    flex: 1 1 420px;
    max-width: 560px;
}

.bc-product-search label {
    display: block;
    margin-bottom: 6px;
    color: var(--bc-text);
    font-size: 13px;
    font-weight: 850;
}

.bc-result-count {
    color: #2a3d62;
    font-size: 17px;
    font-weight: 850;
}

.bc-page-size select {
    min-height: 34px;
    padding-right: 24px;
    color: #405174;
    background:
        linear-gradient(45deg, transparent 50%, var(--bc-primary) 50%) calc(100% - 12px) 50% / 5px 5px no-repeat,
        linear-gradient(135deg, var(--bc-primary) 50%, transparent 50%) calc(100% - 8px) 50% / 5px 5px no-repeat;
    border: 0;
    appearance: none;
    font-size: 14px;
}

.bc-table-wrap {
    overflow: hidden;
}

.bc-product-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
}

.bc-product-table th {
    height: 54px;
    padding: 12px 14px;
    color: var(--bc-primary);
    background: #fbfdff;
    border-bottom: 1px solid var(--bc-border);
    font-size: 14px;
    font-weight: 850;
    line-height: 1.25;
    text-align: left;
}

.bc-product-table td {
    min-height: 76px;
    padding: 16px 14px;
    color: #22365d;
    border-bottom: 1px solid var(--bc-border-light);
    font-size: 14px;
    line-height: 1.45;
    vertical-align: middle;
}

.bc-product-table tr:hover td {
    background: var(--bc-primary-light);
}

.bc-catalog-section {
    margin-bottom: 32px;
}

.bc-catalog-section:last-child {
    margin-bottom: 0;
}

.bc-catalog-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 14px;
    padding: 12px 16px;
    color: var(--bc-primary);
    background: linear-gradient(90deg, rgba(16, 92, 157, 0.11), rgba(16, 92, 157, 0.02));
    border-left: 5px solid var(--bc-primary);
    border-radius: var(--bc-radius-sm);
    font-size: 25px;
    font-weight: 900;
    line-height: 1.2;
}

.bc-catalog-subheading {
    margin: 0 0 12px;
    color: var(--bc-heading);
    font-size: 21px;
    font-weight: 900;
    line-height: 1.25;
}

.bc-catalog-note {
    margin: 30px 0 0;
    padding: 22px 24px;
    background: #f7fbff;
    border: 1px solid var(--bc-border);
    border-left: 5px solid var(--bc-primary);
    border-radius: var(--bc-radius-md);
}

.bc-catalog-note h2 {
    margin: 0 0 10px;
    color: var(--bc-primary);
    font-size: 24px;
    font-weight: 900;
    line-height: 1.2;
}

.bc-catalog-note p {
    margin: 0 0 16px;
    color: #304467;
    font-size: 15px;
    line-height: 1.6;
}

.bc-catalog-note dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin: 0;
}

.bc-catalog-note div {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 10px;
}

.bc-catalog-note dt {
    color: var(--bc-primary);
    font-weight: 900;
}

.bc-catalog-note dd {
    margin: 0;
    color: var(--bc-text);
    line-height: 1.5;
}

.bc-catalog-section .bc-product-table {
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-md);
    box-shadow: var(--bc-shadow);
    overflow: hidden;
}

.bc-product-table tr:last-child td {
    border-bottom: 0;
}

.bc-product-table th:nth-child(1) {
    width: 18%;
}

.bc-product-table th:nth-child(2) {
    width: 8%;
}

.bc-product-table th:nth-child(3) {
    width: 13%;
}

.bc-product-table th:nth-child(4) {
    width: 15%;
}

.bc-product-table th:nth-child(5) {
    width: 17%;
}

.bc-product-table th:nth-child(6) {
    width: 10%;
}

.bc-product-table th:nth-child(7) {
    width: 12%;
}

.bc-product-table th:nth-child(8) {
    width: 7%;
}

.bc-product-table--cols-3 th:nth-child(1) {
    width: 20%;
}

.bc-product-table--cols-3 th:nth-child(2) {
    width: 10%;
}

.bc-product-table--cols-3 th:nth-child(3) {
    width: 70%;
}

.bc-product-table--cols-4 th:nth-child(1) {
    width: 20%;
}

.bc-product-table--cols-4 th:nth-child(2) {
    width: 10%;
}

.bc-product-table--cols-4 th:nth-child(3) {
    width: 54%;
}

.bc-product-table--cols-4 th:nth-child(4) {
    width: 16%;
}

.bc-product-table--cols-5 th:nth-child(1) {
    width: 20%;
}

.bc-product-table--cols-5 th:nth-child(2) {
    width: 10%;
}

.bc-product-table--cols-5 th:nth-child(3) {
    width: 42%;
}

.bc-product-table--cols-5 th:nth-child(4) {
    width: 14%;
}

.bc-product-table--cols-5 th:nth-child(5) {
    width: 14%;
}

.bc-product-table--byk th:nth-child(1) {
    width: 15%;
}

.bc-product-table--byk th:nth-child(2) {
    width: 7%;
}

.bc-product-table--byk th:nth-child(3) {
    width: 16%;
}

.bc-product-table--byk th:nth-child(4) {
    width: 30%;
}

.bc-product-table--byk th:nth-child(5) {
    width: 32%;
}

.bc-product-name {
    color: var(--bc-primary);
    background: transparent;
    border: 0;
    padding: 0;
    font-size: 16px;
    font-weight: 850;
    line-height: 1.25;
    text-align: left;
}

.bc-search-highlight {
    padding: 0 2px;
    color: inherit;
    background: #fff1a6;
    border-radius: 2px;
}

.bc-cell-muted {
    display: block;
    margin-top: 5px;
    color: var(--bc-muted);
    font-size: 13px;
    line-height: 1.35;
}

.bc-cas {
    white-space: nowrap;
}

.bc-action-button {
    min-width: 92px;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--bc-primary);
    background: var(--bc-white);
    border: 1px solid var(--bc-primary);
    border-radius: var(--bc-radius-sm);
    font-size: 13px;
    font-weight: 850;
}

.bc-action-button:hover {
    color: var(--bc-white);
    background: var(--bc-primary);
}

.bc-mobile-products {
    display: none;
}

.bc-mobile-product {
    padding: 20px;
}

.bc-mobile-section-heading {
    margin: 22px 0 12px;
    padding: 11px 14px;
    color: var(--bc-primary);
    background: #eef6ff;
    border-left: 4px solid var(--bc-primary);
    border-radius: var(--bc-radius-sm);
    font-size: 20px;
    font-weight: 900;
    line-height: 1.25;
}

.bc-mobile-section-subheading {
    margin: 0 0 12px;
    color: var(--bc-heading);
    font-size: 18px;
    font-weight: 900;
    line-height: 1.25;
}

.bc-mobile-note {
    padding: 20px;
    margin-top: 16px;
    background: #f7fbff;
    border: 1px solid var(--bc-border);
    border-left: 4px solid var(--bc-primary);
    border-radius: var(--bc-radius-md);
}

.bc-mobile-note h2 {
    margin: 0 0 10px;
    color: var(--bc-primary);
    font-size: 20px;
    font-weight: 900;
    line-height: 1.25;
}

.bc-mobile-note p {
    margin: 0 0 14px;
    color: #304467;
    font-size: 14px;
    line-height: 1.55;
}

.bc-mobile-note dl {
    display: grid;
    gap: 8px;
    margin: 0;
}

.bc-mobile-note div {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 8px;
    font-size: 14px;
}

.bc-mobile-note dt {
    color: var(--bc-primary);
    font-weight: 900;
}

.bc-mobile-note dd {
    margin: 0;
    color: var(--bc-text);
    line-height: 1.45;
}

.bc-mobile-product + .bc-mobile-product {
    margin-top: 14px;
}

.bc-mobile-product h3 {
    margin-bottom: 5px;
    color: var(--bc-primary);
    font-size: 22px;
}

.bc-mobile-product p {
    color: #304467;
    font-size: 15px;
}

.bc-mobile-product__meta {
    display: grid;
    gap: 8px;
    margin: 16px 0;
}

.bc-mobile-product__meta div {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 10px;
    font-size: 14px;
}

.bc-mobile-product__meta dt {
    color: var(--bc-muted);
    font-weight: 800;
}

.bc-mobile-product__meta dd {
    margin: 0;
    color: var(--bc-text);
}

.bc-pagination-wrap {
    min-height: 54px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 18px;
    margin: 18px 0 24px;
}

.bc-pagination {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bc-page-button {
    min-width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--bc-primary);
    background: var(--bc-white);
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-sm);
    font-size: 14px;
    font-weight: 850;
}

.bc-page-button[hidden] {
    display: none;
}

.bc-page-button[aria-current="page"] {
    color: var(--bc-white);
    background: var(--bc-primary);
    border-color: var(--bc-primary);
}

.bc-page-button:disabled {
    color: #a7b1c4;
    cursor: not-allowed;
}

.bc-page-button svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.bc-pagination__ellipsis {
    min-width: 26px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--bc-muted);
    font-size: 14px;
    font-weight: 850;
}

.bc-mobile-inquiry-jump {
    display: none;
}

.bc-page-size {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--bc-muted);
    font-size: 14px;
    font-weight: 750;
}

.bc-page-size select {
    min-width: 66px;
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-sm);
    padding-left: 8px;
}

.bc-empty {
    padding: 38px;
    margin-top: 18px;
    text-align: center;
    background: var(--bc-bg-light);
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-md);
}

.bc-empty p {
    margin-bottom: 16px;
    color: var(--bc-heading);
    font-size: 18px;
    font-weight: 850;
}

.bc-bottom-modules {
    padding: 0 0 58px;
}

.bc-bottom-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
}

.bc-documents,
.bc-advantages,
.bc-inquiry {
    min-height: 270px;
    padding: 28px;
}

.bc-inquiry {
    width: 100%;
    min-height: 0;
    padding: 34px;
}

.bc-inquiry__description {
    max-width: 1180px;
    margin: -8px 0 24px;
    color: #344866;
    font-size: 16px;
    line-height: 1.7;
}

.bc-documents h2,
.bc-advantages h2,
.bc-inquiry h2 {
    margin-bottom: 20px;
    color: var(--bc-heading);
    font-size: 27px;
    line-height: 1.2;
    font-weight: 850;
}

.bc-document-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.bc-document {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
}

.bc-document svg {
    width: 24px;
    height: 24px;
    color: var(--bc-primary);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.bc-document strong {
    display: block;
    color: var(--bc-heading);
    font-size: 15px;
    line-height: 1.25;
}

.bc-document span {
    color: var(--bc-muted);
    font-size: 13px;
}

.bc-document button {
    padding: 0;
    color: var(--bc-primary);
    background: transparent;
    border: 0;
    font-size: 14px;
    font-weight: 850;
}

.bc-module-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    color: var(--bc-primary);
    font-size: 15px;
    font-weight: 850;
}

.bc-advantages__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding-top: 8px;
}

.bc-advantage {
    min-height: 96px;
    display: grid;
    justify-items: center;
    align-content: center;
    gap: 12px;
    color: var(--bc-primary);
    text-align: center;
    font-size: 15px;
    font-weight: 850;
}

.bc-advantage svg {
    width: 42px;
    height: 42px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bc-inquiry-form {
    display: grid;
    gap: 16px;
}

.bc-form-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.bc-field {
    min-width: 0;
}

.bc-field--full {
    grid-column: 1 / -1;
}

.bc-field label {
    display: block;
    margin-bottom: 5px;
    color: var(--bc-text);
    font-size: 13px;
    font-weight: 800;
}

.bc-field label span {
    color: var(--bc-error);
}

.bc-field input,
.bc-field textarea {
    width: 100%;
    color: var(--bc-text);
    background: #fbfdff;
    border: 1px solid var(--bc-border);
    border-radius: var(--bc-radius-sm);
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.bc-field input {
    height: 44px;
    padding: 0 12px;
}

.bc-field textarea {
    min-height: 104px;
    padding: 12px;
    resize: vertical;
    line-height: 1.55;
}

.bc-field input:focus,
.bc-field textarea:focus {
    background: var(--bc-white);
    border-color: var(--bc-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(7, 84, 184, 0.12);
}

.bc-field.is-invalid input,
.bc-field.is-invalid textarea {
    border-color: var(--bc-error);
}

.bc-error {
    min-height: 15px;
    color: var(--bc-error);
    font-size: 12px;
    line-height: 1.25;
}

.bc-success {
    min-height: 18px;
    color: var(--bc-success);
    font-size: 13px;
    font-weight: 800;
    line-height: 1.45;
}

.bc-inquiry__submit {
    width: min(100%, 380px);
    min-height: 48px;
    justify-self: start;
}

.bc-footer {
    color: rgba(255, 255, 255, 0.82);
    background: linear-gradient(120deg, var(--bc-navy-dark), #053b83);
}

.bc-footer__grid {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 60px;
    padding: 38px 0 34px;
}

.bc-footer__about p {
    margin: 12px 0 16px;
    font-size: 14px;
    line-height: 1.6;
}

.bc-socials {
    display: flex;
    gap: 10px;
}

.bc-socials a {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--bc-white);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
}

.bc-socials svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.bc-footer__columns {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 26px;
}

.bc-footer-column__title {
    width: 100%;
    margin-bottom: 11px;
    padding: 0;
    color: var(--bc-white);
    background: transparent;
    border: 0;
    font-size: 15px;
    font-weight: 850;
    text-align: left;
}

.bc-footer-column li,
.bc-footer-column a,
.bc-footer-column p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    line-height: 1.55;
}

.bc-footer-column li {
    margin-bottom: 7px;
}

.bc-footer-column a:hover {
    color: var(--bc-white);
    text-decoration: underline;
}

.bc-footer-contact-button {
    min-height: 38px;
    margin-top: 12px;
    color: var(--bc-white);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.45);
}

.bc-footer__bottom {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.13);
    font-size: 13px;
}

.bc-footer__bottom div {
    display: flex;
    gap: 42px;
}

.bc-mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 1200;
    visibility: hidden;
    pointer-events: none;
}

.bc-mobile-nav.is-open {
    visibility: visible;
    pointer-events: auto;
}

.bc-panel-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 20, 49, 0.45);
    opacity: 0;
    transition: opacity 0.22s ease;
}

.bc-mobile-nav.is-open .bc-panel-overlay {
    opacity: 1;
}

.bc-mobile-nav__panel {
    position: absolute;
    top: 0;
    bottom: 0;
    width: min(88vw, 390px);
    background: var(--bc-white);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.14);
    transform: translateX(-102%);
    transition: transform 0.24s ease;
}

.bc-mobile-nav.is-open .bc-mobile-nav__panel {
    transform: translateX(0);
}

.bc-panel-head {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    color: var(--bc-heading);
    border-bottom: 1px solid var(--bc-border);
    font-size: 16px;
    font-weight: 850;
}

.bc-close-button {
    position: relative;
    width: 38px;
    height: 38px;
    background: transparent;
    border: 0;
}

.bc-close-button::before,
.bc-close-button::after {
    content: "";
    position: absolute;
    left: 9px;
    right: 9px;
    top: 18px;
    height: 2px;
    background: currentColor;
}

.bc-close-button::before {
    transform: rotate(45deg);
}

.bc-close-button::after {
    transform: rotate(-45deg);
}

.bc-mobile-nav__content {
    height: calc(100% - 64px);
    overflow: auto;
    padding: 16px;
}

.bc-toast {
    position: fixed;
    left: 50%;
    bottom: 26px;
    z-index: 1300;
    min-width: 250px;
    max-width: min(420px, calc(100vw - 32px));
    padding: 12px 16px;
    color: var(--bc-white);
    background: var(--bc-navy);
    border-radius: var(--bc-radius-md);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
    opacity: 0;
    transform: translate(-50%, 16px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    font-size: 13px;
    text-align: center;
}

.bc-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

@media (min-width: 2100px) {
    .bc-container {
        width: min(100% - 72px, var(--bc-wide-width));
    }
}

@media (max-width: 1450px) {
    .bc-main-layout {
        grid-template-columns: 300px minmax(0, 1fr);
        gap: 28px;
    }

    .bc-product-table th,
    .bc-product-table td {
        padding-inline: 10px;
        font-size: 13px;
    }

    .bc-product-name {
        font-size: 15px;
    }

    .bc-bottom-grid {
        grid-template-columns: 1fr 1fr;
    }

    .bc-inquiry {
        grid-column: 1 / -1;
    }
}

@media (max-width: 1120px) {
    .bc-sidebar {
        display: none;
    }

    .bc-main-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .bc-product-toolbar {
        flex-wrap: wrap;
    }

    .bc-result-count {
        flex: 1;
    }

    .bc-footer__grid {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .bc-footer__columns {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .bc-container {
        width: min(100% - 32px, var(--bc-container-width));
    }

    .bc-introduction {
        padding: 10px 0 32px;
    }

    .bc-introduction__content {
        padding: 24px 20px;
    }

    .bc-introduction__content h2 {
        font-size: 24px;
    }

    .bc-introduction__content p {
        font-size: 15px;
        line-height: 1.64;
    }

    .bc-trademark-notice {
        padding: 14px 15px;
    }

    .bc-brand-tabs-section {
        padding-bottom: 22px;
    }

    .bc-brand-tabs {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 10px;
    }

    .bc-brand-tab {
        min-height: 64px;
        justify-content: flex-start;
        gap: 12px;
        padding: 12px 14px;
        font-size: 17px;
        line-height: 1.15;
    }

    .bc-brand-tab__logo {
        width: 108px;
        height: 34px;
        flex: 0 0 108px;
    }

    .bc-brand-tab:first-of-type .bc-brand-tab__logo {
        width: 122px;
        height: 38px;
        flex: 0 0 122px;
    }

    .bc-brand-tab__icon {
        width: 30px;
        height: 30px;
        flex: 0 0 30px;
    }

    .bc-brand-tab__name {
        display: none;
    }

    .bc-product-toolbar {
        align-items: stretch;
        display: grid;
        grid-template-columns: 1fr;
    }

    .bc-product-search,
    .bc-result-count {
        grid-column: 1 / -1;
        max-width: none;
    }

    .bc-table-wrap {
        display: none;
    }

    .bc-mobile-products {
        display: block;
    }

    .bc-mobile-section-heading {
        margin: 16px 0 10px;
        padding: 9px 11px;
        font-size: 16px;
        line-height: 1.25;
    }

    .bc-mobile-section-subheading {
        font-size: 15px;
    }

    .bc-mobile-product {
        padding: 12px 14px;
    }

    .bc-mobile-product + .bc-mobile-product {
        margin-top: 10px;
    }

    .bc-mobile-product h3 {
        margin-bottom: 8px;
        font-size: 16px;
        line-height: 1.22;
        overflow-wrap: break-word;
    }

    .bc-mobile-product p {
        font-size: 13px;
        line-height: 1.5;
    }

    .bc-mobile-product__meta {
        gap: 5px;
        margin: 8px 0 0;
    }

    .bc-mobile-product__meta div {
        grid-template-columns: 132px minmax(0, 1fr);
        gap: 8px;
        padding-top: 5px;
        border-top: 1px solid var(--bc-border-light);
        font-size: 12px;
        line-height: 1.38;
    }

    .bc-mobile-product__meta div:first-child {
        border-top: 0;
        padding-top: 0;
    }

    .bc-mobile-product__meta dt,
    .bc-mobile-product__meta dd {
        min-width: 0;
        word-break: normal;
    }

    .bc-mobile-product__meta dt {
        overflow-wrap: normal;
    }

    .bc-mobile-product__meta dd {
        overflow-wrap: break-word;
    }

    .bc-mobile-note {
        padding: 14px;
        margin-top: 12px;
    }

    .bc-mobile-note h2 {
        font-size: 16px;
    }

    .bc-mobile-note p,
    .bc-mobile-note div {
        font-size: 12px;
    }

    .bc-pagination-wrap {
        position: fixed;
        right: 12px;
        bottom: max(12px, env(safe-area-inset-bottom));
        left: 12px;
        z-index: 95;
        min-height: 0;
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 8px;
        margin: 0;
        padding: 10px 12px;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid var(--bc-border);
        border-radius: var(--bc-radius-md);
        box-shadow: 0 18px 44px rgba(8, 38, 85, 0.18);
        opacity: 0;
        pointer-events: none;
        transform: translateY(calc(100% + 18px));
        transition: opacity 0.28s ease, transform 0.34s cubic-bezier(0.22, 1, 0.36, 1);
        backdrop-filter: blur(10px);
    }

    .bc-pagination-wrap.is-sticky-visible {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .bc-mobile-inquiry-jump {
        position: fixed;
        right: 72px;
        bottom: calc(98px + env(safe-area-inset-bottom));
        left: 16px;
        z-index: 96;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0 18px;
        color: var(--bc-white);
        background: var(--bc-primary);
        border: 1px solid var(--bc-primary);
        border-radius: var(--bc-radius-sm);
        box-shadow: 0 16px 34px rgba(7, 84, 184, 0.22);
        font-size: 15px;
        font-weight: 900;
        line-height: 1.2;
    }

    .bc-mobile-inquiry-jump:active {
        transform: translateY(1px);
    }

    .back-to-top {
        bottom: calc(98px + env(safe-area-inset-bottom));
    }

    .bc-pagination {
        max-width: 100%;
        justify-content: center;
        gap: 6px;
    }

    .bc-page-button {
        min-width: 34px;
        height: 34px;
        font-size: 13px;
    }

    .bc-pagination__ellipsis {
        min-width: 18px;
        height: 34px;
    }

    .bc-page-size {
        display: none;
    }

    .bc-products-section {
        padding-bottom: 150px;
    }

    .bc-bottom-grid,
    .bc-footer__columns {
        grid-template-columns: 1fr;
    }

    .bc-form-grid {
        grid-template-columns: 1fr;
    }

    .bc-inquiry {
        grid-column: auto;
    }

    .bc-documents,
    .bc-advantages,
    .bc-inquiry {
        padding: 24px 18px;
        scroll-margin-top: 88px;
    }

    .bc-documents h2,
    .bc-advantages h2,
    .bc-inquiry h2 {
        font-size: 25px;
    }

    .bc-inquiry__description {
        margin-bottom: 18px;
        font-size: 14px;
        line-height: 1.6;
    }

    .bc-inquiry__submit {
        width: 100%;
    }

    .bc-advantages__grid {
        grid-template-columns: 1fr;
    }

    .bc-field--full {
        grid-column: auto;
    }

    .bc-footer__columns {
        gap: 0;
    }

    .bc-footer-column {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .bc-footer-column__title {
        min-height: 46px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0;
    }

    .bc-footer-column ul,
    .bc-footer-column p,
    .bc-footer-contact-button {
        display: none;
    }

    .bc-footer-column.is-open ul,
    .bc-footer-column.is-open p,
    .bc-footer-column.is-open .bc-footer-contact-button {
        display: block;
        padding-bottom: 12px;
    }

    .bc-footer__bottom,
    .bc-footer__bottom div {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .bc-brand-tab {
        gap: 10px;
        font-size: 16px;
    }

    .bc-brand-tab__logo {
        width: 98px;
        flex-basis: 98px;
    }

    .bc-brand-tab:first-of-type .bc-brand-tab__logo {
        width: 112px;
        flex: 0 0 112px;
    }

    .bc-mobile-product__meta div {
        grid-template-columns: 126px minmax(0, 1fr);
    }

    .bc-page-size {
        flex-direction: column;
        align-items: center;
    }

    .bc-document {
        grid-template-columns: 28px minmax(0, 1fr);
    }

    .bc-document button {
        grid-column: 2;
        justify-self: start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}