/* ─── Acnodes Site Styles ─────────────────────────────── */

:root {
    --header-bg: #181818;
    --header-dark: #000;
    --accent: #E7002D;
    --accent-hover: #c80028;
    --text-light: #ffffff;
    --text-muted: #999;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --surface: #f8f9fa;
    --border: #e5e7eb;
    --radius: 12px;
    --max-width: 1400px;
}

html {
    font-size: 17px;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Rajdhani', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: var(--max-width);
}

/* ─── Header ─────────────────────────────────────────── */
.site-header {
    background-color: var(--header-bg);
}

.header-top {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-top-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 44px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    transition: opacity 0.2s;
}

.logo:hover .logo-img {
    opacity: 0.85;
}

.header-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.header-contact-link {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.2s;
}

.header-contact-link:hover {
    color: var(--accent);
}

/* ─── Header Search ───────────────────────────────────── */
.header-search {
    display: flex;
    align-items: center;
    position: relative;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    overflow: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header-search:hover {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.18);
}

.header-search:focus-within {
    background: rgba(255,255,255,0.12);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(231, 0, 45, 0.15), 0 4px 16px rgba(0,0,0,0.2);
}

.header-search-input {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    padding: 10px 8px 10px 18px;
    width: 200px;
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.2px;
}

.header-search-input::placeholder {
    color: rgba(255,255,255,0.35);
    font-weight: 400;
    transition: color 0.3s;
}

.header-search:focus-within .header-search-input::placeholder {
    color: rgba(255,255,255,0.5);
}

.header-search-input:focus {
    width: 280px;
}



/* ─── Search Results Page ────────────────────────────── */
.search-results-form {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    max-width: 600px;
}

.search-results-input {
    flex: 1;
    padding: 10px 16px;
    font-family: inherit;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s;
}

.search-results-input:focus {
    border-color: var(--accent);
}

.search-result-count {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 15px;
}

/* ─── Mega Menu ──────────────────────────────────────── */
.mega-nav {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
}

.mega-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.mega-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

.mega-item {
    position: relative;
}

.mega-item > a {
    display: block;
    padding: 14px 18px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    transition: all 0.2s;
}

.mega-item > a:hover,
.mega-item:hover > a {
    background-color: var(--accent);
    color: #fff;
}

.mega-item.parent-only > a {
    cursor: default;
}

.mega-item.parent-only > a:hover,
.mega-item.parent-only:hover > a {
    background-color: transparent;
    color: var(--accent);
    box-shadow: inset 0 -3px 0 var(--accent);
}

.mega-item.rfq-link > a {
    background-color: var(--accent);
    color: #fff;
}
.mega-item.rfq-link > a:hover {
    background-color: var(--accent-hover);
}

.mega-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 250px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 100;
    overflow: hidden;
}

.mega-item:hover .mega-dropdown {
    display: block;
}

.mega-dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
    transition: all 0.15s;
}

.mega-dropdown a:last-child {
    border-bottom: none;
}

.mega-dropdown a:hover {
    background-color: var(--surface);
    color: var(--accent);
    padding-left: 24px;
}

/* ─── Main Content ───────────────────────────────────── */
.site-main {
    flex: 1;
}

.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px;
}

/* ─── Breadcrumb ─────────────────────────────────────── */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 0;
    font-size: 13px;
    margin-bottom: 32px;
    color: var(--text-secondary);
}

.breadcrumb-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-nav a:hover {
    color: var(--accent);
}

.breadcrumb-sep {
    margin: 0 8px;
    color: var(--border);
}

/* ─── Category Page ──────────────────────────────────── */
.cat-header {
    margin-bottom: 40px;
}

.cat-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

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

/* ─── Subcategory Cards ──────────────────────────────── */
.subcategory-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.subcategory-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 22px;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
    overflow: hidden;
}

.subcategory-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.subcategory-card-image {
    width: 100%;
    height: 120px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    margin: -24px -22px 16px -22px;
    padding: 16px;
    width: calc(100% + 44px);
}

.subcategory-card-image img {
    max-width: 100%;
    max-height: 88px;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.subcategory-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.subcategory-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 12px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.subcategory-cta {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    transition: color 0.2s;
}

.subcategory-card:hover .subcategory-cta {
    color: var(--accent-hover);
}

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

.product-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    color: inherit;
}

.product-card-image {
    background: var(--surface);
    padding: 24px;
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card-image img {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.product-card-body {
    padding: 20px 24px 0;
    flex: 1;
}

.product-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-card-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-card-features li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 3px 0;
    padding-left: 16px;
    position: relative;
}

.product-card-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
}

.product-card-footer {
    padding: 16px 24px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-card-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
}

.product-card-price.call {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card-cta {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.product-card:hover .product-card-cta {
    color: var(--accent);
}

/* ─── Pagination ─────────────────────────────────────── */
.pagination-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin: 32px 0 16px;
    flex-wrap: wrap;
}

.pagination-buttons {
    display: flex;
    gap: 4px;
    align-items: center;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.page-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 102, 204, 0.04);
}

.page-btn-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    cursor: default;
    pointer-events: none;
}

.pagination-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.pagination-meta select {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #fff;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
}

.pagination-meta select:focus {
    outline: none;
    border-color: var(--accent);
}

/* ─── Product Detail ─────────────────────────────────── */
.pd-layout {
    display: flex;
    gap: 48px;
    margin-bottom: 48px;
}

.pd-image-col {
    flex: 0 0 45%;
}

.pd-image-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pd-image-box img {
    max-width: 100%;
    max-height: 320px;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.pd-gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.pd-gallery-thumb {
    width: 64px;
    height: 64px;
    padding: 4px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    cursor: pointer;
    transition: border-color 0.2s;
}

.pd-gallery-thumb:hover,
.pd-gallery-thumb.active {
    border-color: var(--accent);
}

.pd-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.pd-info-col {
    flex: 1;
}

.pd-header h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.pd-price-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.pd-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.pd-price-call {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pd-short-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.pd-features h3 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

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

.pd-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pd-features li:last-child {
    border-bottom: none;
}

.feature-check {
    color: var(--accent);
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

/* Product Detail Tabs */
.pd-tabs {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 48px;
}

.pd-tab-nav {
    display: flex;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.pd-tab-btn {
    padding: 16px 28px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.pd-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(0,0,0,0.02);
}

.pd-tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
    background: #fff;
}

.pd-tab-accent {
    color: var(--accent) !important;
}

.pd-tab-content {
    padding: 32px;
}

/* Tab Empty State */
.pd-tab-empty {
    text-align: center;
    padding: 48px 24px;
}

.pd-tab-empty-icon {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
    opacity: 0.4;
}

.pd-tab-empty p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 16px;
}

.pd-tab-empty .btn-modern-sm {
    font-size: 13px;
    padding: 8px 20px;
}

/* Dimensions Layout */
.pd-dimensions-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.pd-dimension-diagram {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    background: var(--surface);
    text-align: center;
}

.pd-dimension-diagram img {
    max-width: 100%;
    height: auto;
}

.pd-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.pd-description p {
    margin-bottom: 16px;
}

/* Spec Table */
.pd-spec-table {
    width: 100%;
    border-collapse: collapse;
}

.pd-spec-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.pd-spec-table tr:last-child td {
    border-bottom: none;
}

.pd-spec-table td:first-child {
    font-weight: 600;
    color: var(--text-primary);
    width: 220px;
    background: var(--surface);
    border-radius: 4px 0 0 4px;
}

/* Config Groups */
.pd-config-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.pd-config-group {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.pd-config-group h5 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    margin: 0 0 12px;
}

.pd-config-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 14px;
}

.pd-config-option:hover {
    background: rgba(0,0,0,0.03);
}

.pd-config-label {
    flex: 1;
}

.pd-config-delta {
    font-weight: 600;
    color: var(--accent);
    font-size: 13px;
}

.pd-config-actions {
    padding-top: 16px;
    text-align: center;
}

.pd-config-actions .btn-modern {
    display: inline-block;
}

/* RFQ Product Summary */
.rfq-product-summary {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 32px;
}

.rfq-product-summary h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px;
}

.rfq-product-summary h3 small {
    font-weight: 400;
    color: var(--text-secondary);
}

.rfq-product-summary p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Downloads */
.pd-downloads {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pd-download-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.pd-download-item:hover {
    border-color: var(--accent);
    transform: translateX(4px);
    color: inherit;
}

.pd-dl-icon {
    font-size: 1.5rem;
}

.pd-dl-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pd-dl-info strong {
    font-size: 14px;
    color: var(--text-primary);
}

.pd-dl-info small {
    font-size: 12px;
    color: var(--text-secondary);
}

.pd-dl-action {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

/* ─── RFQ Page ───────────────────────────────────────── */
.rfq-page {
    max-width: 800px;
    margin: 0 auto;
}

.rfq-header {
    text-align: center;
    margin-bottom: 40px;
}

.rfq-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.rfq-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto;
}

.rfq-success {
    text-align: center;
    padding: 64px 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.rfq-success-icon {
    font-size: 3rem;
    color: #22c55e;
    margin-bottom: 16px;
}

.rfq-success h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.rfq-success p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.rfq-form-modern {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}

.rfq-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

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

.rfq-product-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.rfq-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.rfq-field input,
.rfq-field textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--surface);
    box-sizing: border-box;
}

.rfq-field input:focus,
.rfq-field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(231, 0, 45, 0.1);
    background: #fff;
}

.rfq-field input::placeholder,
.rfq-field textarea::placeholder {
    color: #aaa;
}

.rfq-hint {
    display: none;
    font-size: 12px;
    margin-top: 4px;
    color: #dc3545;
}
.rfq-hint.invalid {
    display: block;
}
.rfq-hint[data-for="Overview"] {
    color: #999;
    text-align: right;
}
.rfq-hint[data-for="Message"] {
    color: #999;
    text-align: right;
}
.rfq-hint-counter {
    color: #999;
    text-align: right;
}
.rfq-field-invalid > label {
    color: #dc3545 !important;
}
.rfq-field input.rfq-invalid,
.rfq-field textarea.rfq-invalid {
    border-color: #dc3545;
}

/* ─── Searchable Dropdown ────────────────────────────── */
.rfq-searchable-dropdown {
    position: relative;
}
.rfq-searchable-dropdown .rfq-dropdown-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    background: #fafafa;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.rfq-searchable-dropdown .rfq-dropdown-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(231, 0, 45, 0.1);
    background: #fff;
}
.rfq-searchable-dropdown .rfq-dropdown-input:disabled {
    background: #eee;
    color: #999;
    cursor: not-allowed;
}
.rfq-searchable-dropdown .rfq-dropdown-input::placeholder {
    color: #aaa;
}
.rfq-dropdown-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 220px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0 0 6px 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 100;
}
.rfq-dropdown-option {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.15s;
}
.rfq-dropdown-option:last-child {
    border-bottom: none;
}
.rfq-dropdown-option:hover {
    background: #fef2f2;
    color: var(--accent);
}
.rfq-dropdown-empty {
    padding: 12px 16px;
    color: #999;
    font-size: 0.9rem;
    font-style: italic;
}

/* ─── RFQ Config Groups (multi-select, one per group) ─── */
.rfq-config-groups {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 16px;
    background: #fafafa;
}
.rfq-config-group {
    margin-bottom: 4px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    overflow: hidden;
}
.rfq-config-group:last-child {
    margin-bottom: 0;
}
.rfq-config-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    cursor: pointer;
    background: #f5f5f5;
    user-select: none;
    transition: background 0.15s;
}
.rfq-config-group-header:hover {
    background: #eee;
}
.rfq-config-group-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary, #555);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.rfq-config-group-value {
    flex: 1;
    font-size: 13px;
    color: var(--text-primary, #333);
    font-weight: 400;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rfq-config-disabled {
    color: #999;
    font-size: 14px;
    font-style: italic;
    padding: 12px 16px;
    cursor: not-allowed;
    opacity: 0.7;
    background: #eee;
}
.rfq-config-group-arrow {
    font-size: 12px;
    color: #999;
    margin-left: 8px;
    transition: transform 0.2s;
    flex-shrink: 0;
}
.rfq-config-group.open .rfq-config-group-arrow {
    transform: rotate(180deg);
}
.rfq-config-group-body {
    display: none;
    padding: 8px 14px 12px;
}
.rfq-config-group.open .rfq-config-group-body {
    display: block;
}
.rfq-config-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary, #333);
}
.rfq-config-option input[type="radio"] {
    accent-color: var(--accent, #cc0000);
    width: 18px;
    height: 18px;
    margin: 0 4px 0 0;
    flex-shrink: 0;
}
.rfq-config-option:hover {
    color: var(--accent, #cc0000);
}
.rfq-config-loading,
.rfq-config-empty {
    padding: 8px 0;
    color: #999;
    font-size: 13px;
    font-style: italic;
}

/* ─── RMA Form ───────────────────────────────────────── */
.rma-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 32px 0 8px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
}

.rma-section-title:first-of-type {
    margin-top: 0;
}

.rma-section-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.rma-item-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    position: relative;
}

.rma-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.rma-item-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rma-remove-item {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 32px;
    height: 32px;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.rma-remove-item:hover {
    background: #fee;
    border-color: var(--accent);
    color: var(--accent);
}

.btn-add-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 32px;
    font-family: inherit;
}

.btn-add-item span {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.btn-add-item:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(231, 0, 45, 0.03);
}

.rma-item-card .rfq-form-grid {
    margin-bottom: 0;
}

/* ─── Empty State ────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 80px 40px;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.empty-state h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ─── Footer ─────────────────────────────────────────── */
.site-footer {
    background: var(--header-bg);
    color: rgba(255,255,255,0.5);
    margin-top: auto;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 36px 24px 16px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 16px;
}

.footer-logo-img {
    width: 140px !important;
    height: 35px !important;
    display: block;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

.footer-address,
.footer-phone {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255,255,255,0.4);
}

.footer-col h5 {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #fff;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 8px;
    font-size: 15px;
    color: rgba(255,255,255,0.4);
}

.footer-col ul a {
    color: rgba(255,255,255,0.4);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s;
}

.footer-col ul a:hover {
    color: var(--accent);
}

.footer-links-2col {
    columns: 2;
    column-gap: 24px;
}

.btn-footer-cta {
    margin-top: 12px;
    font-size: 13px;
    padding: 10px 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255,255,255,0.3);
    margin: 0;
}

/* ─── Product Carousel ────────────────────────────────── */
#productCarousel {
    border-radius: var(--radius);
    overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

#productCarousel a.carousel-item {
    text-decoration: none;
    color: inherit;
}

.carousel-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 90px;
    min-height: 460px;
    position: relative;
    z-index: 1;
}

.carousel-slide-content {
    flex: 1;
    color: #fff;
    padding-right: 60px;
}

.carousel-badge {
    display: inline-block;
    background: rgba(231, 0, 45, 0.15);
    color: var(--accent);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    border: 1px solid rgba(231, 0, 45, 0.3);
}

.carousel-slide-content h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.carousel-slide-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    line-height: 1.7;
}

.carousel-price {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.carousel-slide-image {
    flex: 0 0 280px;
    width: 280px;
    height: 260px;
    text-align: center;
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
}

.carousel-slide-image img {
    max-width: 280px;
    max-height: 260px;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.carousel-slide-image.no-bg {
    background: none;
    border-radius: 0;
}

.carousel-slide-image.no-bg img {
    mix-blend-mode: normal;
}

#productCarousel .carousel-control-prev,
#productCarousel .carousel-control-next {
    width: 48px;
    opacity: 0.7;
}

#productCarousel .carousel-control-prev {
    left: 0;
}

#productCarousel .carousel-control-next {
    right: 0;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border-radius: 50%;
    padding: 20px;
    background-size: 50%;
    transition: background 0.2s;
}

.carousel-control-prev-icon:hover,
.carousel-control-next-icon:hover {
    background-color: rgba(255,255,255,0.2);
}

.carousel-indicators {
    margin-bottom: 16px;
}

.carousel-indicators [data-bs-target] {
    background-color: rgba(255,255,255,0.3);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    transition: all 0.3s;
}

.carousel-indicators .active {
    background-color: var(--accent);
    width: 28px;
    border-radius: 5px;
}

/* ─── Modern Button ──────────────────────────────────── */
.btn-modern {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    border-radius: 8px;
    transition: all 0.2s;
    letter-spacing: 0.3px;
}
.btn-modern:hover {
    background: var(--accent-hover);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(231, 0, 45, 0.3);
}
.btn-modern-lg {
    padding: 16px 40px;
    font-size: 16px;
}

/* ─── Stats Bar ─────────────────────────────────────── */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 0;
    padding: 0;
    margin: 48px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 32px 24px;
    border-right: 1px solid var(--border);
    transition: background 0.2s;
}

.stat-item:last-child {
    border-right: none;
}

.stat-item:hover {
    background: var(--surface);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -1px;
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
}

/* ─── Section Styling ───────────────────────────────── */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    background: rgba(231, 0, 45, 0.08);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ─── Capabilities ─────────────────────────────────── */
.capabilities-section {
    padding: 64px 0;
}

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

.capability-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.capability-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.capability-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--surface);
    border-radius: 12px;
}

.capability-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.capability-card p {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ─── About Section ────────────────────────────────── */
.about-section {
    padding: 64px 0;
    border-top: 1px solid var(--border);
}

.about-inner {
    display: flex;
    gap: 64px;
    align-items: center;
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.about-highlights {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    background: var(--surface);
    border-radius: 8px;
    border-left: 3px solid var(--accent);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-left-width 0.2s ease,
                background 0.3s ease;
    cursor: default;
}

.highlight-item:hover {
    transform: translateX(6px) translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-left-width: 5px;
    background: #fff;
}

.highlight-item strong {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.highlight-item span {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.about-visual {
    flex: 0 0 320px;
}

.about-visual-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: var(--radius);
    padding: 64px 40px;
    text-align: center;
    color: #fff;
}

.visual-stat {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -2px;
    color: var(--accent);
    line-height: 1;
}

.visual-label {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    margin-top: 12px;
    line-height: 1.5;
}

/* ─── CTA Section ──────────────────────────────────── */
.cta-section {
    text-align: center;
    padding: 72px 40px;
    margin: 48px 0 0;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 28px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

/* Honeypot */
.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
}

.g-recaptcha {
    margin: 16px 0;
}

.captcha-error {
    color: #e74c3c;
    font-size: 14px;
    margin: -8px 0 16px;
    font-weight: 500;
}

/* ─── About Page ─────────────────────────────────────── */
.about-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

.about-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 12px 0 16px;
}

.about-header p {
    font-size: 1.1rem;
    color: #666;
}

.about-section {
    margin-bottom: 16px;
}

.about-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.about-section h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

.about-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 12px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.about-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #eee;
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.about-card p {
    font-size: 0.95rem;
    color: #555;
    margin: 0;
}

.about-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-features li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    font-size: 1rem;
    line-height: 1.6;
    color: #444;
}

.about-features li:last-child {
    border-bottom: none;
}

.about-cta-section {
    text-align: center;
    background: #f8f9fa;
    border-radius: 16px;
    padding: 48px 32px;
}

.legal-notice {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #444;
}

/* ─── Contact Page ───────────────────────────────────── */
.contact-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.contact-info-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.contact-info-icon {
    font-size: 1.6rem;
    margin-bottom: 8px;
}

.contact-info-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.contact-info-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    margin: 0;
}

.contact-info-card a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.contact-info-card a:hover {
    text-decoration: underline;
}

/* ─── Support Page ───────────────────────────────────── */
.support-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.support-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s ease;
}

.support-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.support-card-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.support-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.support-card p {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 20px;
}

.btn-modern-sm {
    display: inline-block;
    padding: 10px 24px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
}

.btn-modern-sm:hover {
    background: #c80028;
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
}

.btn-modern-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-modern-outline:hover {
    background: var(--accent);
    color: #fff;
}

.support-cta-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* ─── FAQ ────────────────────────────────────────────── */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item[open] {
    border-color: var(--accent);
}

.faq-item summary {
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::before {
    content: '+';
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
    transition: transform 0.2s;
}

.faq-item[open] summary::before {
    content: '−';
}

.faq-item summary:hover {
    background: rgba(231, 0, 45, 0.03);
}

.faq-item p {
    padding: 0 20px 16px;
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
    margin: 0;
}

.faq-item a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}

.faq-item a:hover {
    text-decoration: underline;
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pd-layout {
        flex-direction: column;
    }
    .pd-image-col {
        flex: 0 0 auto;
    }
    .pd-config-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-cards {
        grid-template-columns: 1fr;
    }
    .support-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ─── Mobile Nav Toggle ──────────────────────────────── */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
    z-index: 101;
}
.nav-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}
.nav-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 768px) {
    .header-contact {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .mega-menu {
        display: none;
        flex-direction: column;
        width: 100%;
    }
    .mega-menu.open {
        display: flex;
    }
    .mega-item > a {
        padding: 12px 18px;
        border-bottom: 1px solid var(--border);
    }
    .mega-dropdown {
        position: static;
        box-shadow: none;
        border-radius: 0;
        min-width: 0;
    }
    .mega-item:hover .mega-dropdown {
        display: none;
    }
    .mega-item.mobile-open .mega-dropdown {
        display: block;
    }
    .mega-dropdown a {
        padding-left: 36px;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .rfq-form-grid {
        grid-template-columns: 1fr;
    }
    .rfq-product-row {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .carousel-slide {
        flex-direction: column;
        padding: 40px 24px;
        text-align: center;
    }
    .carousel-slide-content {
        padding-right: 0;
        padding-bottom: 24px;
    }
    .carousel-slide-image {
        flex: 0 0 auto;
    }
    .stats-bar {
        flex-direction: column;
    }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .stat-item:last-child {
        border-bottom: none;
    }
    .about-inner {
        flex-direction: column;
    }
    .support-cards-grid {
        grid-template-columns: 1fr;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-visual {
        flex: 0 0 auto;
        width: 100%;
    }
    .pd-tab-btn {
        padding: 12px 16px;
        font-size: 12px;
    }
}

/* ── Product Variant Cards ───────────────────── */

.pd-variants-section {
    margin: 0;
}
.pd-variants-heading {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}
.pd-variants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}
.pd-variant-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}
.pd-variant-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(231,0,45,0.12);
}
.pd-variant-card-active {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(231,0,45,0.18);
    background: #fff5f5;
}
.pd-variant-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.pd-variant-name {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 8px;
}
.pd-variant-desc {
    font-size: 13px;
    color: #555;
    line-height: 1.5;
    margin: 0 0 12px;
}
.pd-variant-features {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
    font-size: 13px;
}
.pd-variant-features li {
    padding: 3px 0;
    color: #333;
}
.pd-variant-features .feature-check {
    color: var(--accent);
    margin-right: 6px;
    font-weight: bold;
}
.pd-variant-specs {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin-bottom: 14px;
}
.pd-variant-specs td {
    padding: 4px 8px;
    border-bottom: 1px solid #f0f0f0;
}
.pd-variant-specs td:first-child {
    font-weight: 600;
    color: #555;
    white-space: nowrap;
    width: 40%;
}
.pd-variant-actions {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
}
.pd-variant-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}
.pd-variant-config-panel {
    margin-top: 24px;
    padding: 24px;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    animation: fadeIn 0.2s ease-in;
}
.pd-variant-config-title {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .pd-variants-grid {
        grid-template-columns: 1fr;
    }
}