:root {
            --xb-surface: #ffffff;
            --xb-ink: #0f0f0f;
            --xb-edge: #3f3f46;
            --xb-ring: #0A4E8A;
            --xb-masthead-bg: #1a1a1a;
            --xb-masthead-ink: #ffffff;
            --xb-primary: #084a82;
            --xb-primary-dim: #e8f1f8;
            --xb-scrim-bg: rgba(0, 0, 0, 0.85);
            --xb-depth: rgba(0, 0, 0, 0.15);
            --xb-masthead-h: 120px;
            --xb-crumbs-h: 48px;
            /* WCAG AA on masthead (#1a1a1a): ≥4.5:1 */
            --xb-whatsapp-color: #5cf28c;
            --xb-langbar-border: #514a4a;
            /* Breadcrumb separators / non-link text on masthead strip */
            --xb-masthead-muted: #d0e0f0;
            /* Secondary text on main surface (replaces low-contrast edge-on-surface) */
            --xb-muted-on-surface: #3f3f46;
            /* Links sitting on --xb-primary-dim panels */
            --xb-link-on-dim: var(--xb-primary);
            /* Filled controls (white text) — same as link blue in light mode */
            --xb-primary-fill: var(--xb-primary);
            --xb-primary-fill-hover: var(--xb-ring);
         }

         @media (prefers-color-scheme: dark) {
            :root {
               --xb-surface: #0d0d0d;
               --xb-ink: #f5f5f5;
               --xb-edge: #9ca3af;
               --xb-ring: #7ebfff;
               --xb-masthead-bg: #0a0a0a;
               /* In-text / inline links on dark background */
               --xb-primary: #7ec8ff;
               --xb-primary-dim: #1a2330;
               --xb-depth: rgba(255, 255, 255, 0.12);
               --xb-whatsapp-color: #5cf28c;
               --xb-langbar-border: #4b5563;
               --xb-masthead-muted: #d1d5db;
               --xb-muted-on-surface: #b8b8b8;
               --xb-link-on-dim: #b8dfff;
               /* Buttons & nav pills: saturated blue so white text passes AA */
               --xb-primary-fill: #1a6cad;
               --xb-primary-fill-hover: #2278bd;
            }
         }

         *,
         *::before,
         *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
         }

         html {
            scroll-behavior: smooth;
         }

         body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            color: var(--xb-ink);
            background-color: var(--xb-surface);
         }

         img {
            max-width: 100%;
            height: auto;
            display: block;
         }

         ul,
         ol {
            list-style: none;
         }

         a {
            color: var(--xb-primary);
            text-decoration: none;
         }

         a:hover,
         a:focus {
            text-decoration: underline;
         }

         a:focus,
         button:focus {
            outline: 3px solid var(--xb-ring);
            outline-offset: 2px;
         }

         button {
            font-family: inherit;
            font-size: inherit;
            cursor: pointer;
            border: none;
            background: none;
         }
         hr {
            border: 1px solid var(--xb-edge);
            margin: 5rem 0;
         }
         .xb-skipper {
            position: absolute;
            top: -100%;
            left: 50%;
            transform: translateX(-50%);
            background: var(--xb-primary-fill);
            color: var(--xb-masthead-ink);
            padding: 0.75rem 1.5rem;
            z-index: 9999;
            border-radius: 0 0 4px 4px;
         }

         .xb-skipper:focus {
            top: 0;
         }

         /* HEADER */
         .xb-masthead {
            background-color: var(--xb-masthead-bg);
            color: var(--xb-masthead-ink);
            border-bottom: 1px solid var(--xb-langbar-border);
         }

         .xb-langbar {
            display: flex;
            justify-content: flex-end;
            padding: 0.5rem 0.5rem;
            border-bottom: 1px solid var(--xb-langbar-border);
         }

         .xb-whatsapp-link {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            color: var(--xb-whatsapp-color);
            font-size: 1rem;
            font-weight: 600;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            text-decoration: none;
            transition: color 0.2s ease;
         }

         .xb-whatsapp-link:hover,
         .xb-whatsapp-link:focus {
            color: var(--xb-masthead-ink);
            text-decoration: underline;
         }

         .xb-whatsapp-icon {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
         }

         .xb-topstrip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 1rem;
            min-height: var(--xb-masthead-h);
         }

         .xb-topstrip.is-pinned {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: var(--xb-masthead-bg);
            box-shadow: 0 2px 10px var(--xb-depth);
            animation: slideDown 0.3s ease-out;
         }

         @keyframes slideDown {
            from {
               transform: translateY(-100%);
            }
            to {
               transform: translateY(0);
            }
         }

         .xb-topstrip.is-tucked {
            transform: translateY(-100%);
         }

         .xb-sigil a {
            display: block;
         }

         .xb-sigil img {
            width: 140px;
            height: auto;
         }

         .xb-burger {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1rem;
            background-color: var(--xb-primary-fill);
            color: var(--xb-masthead-ink);
            font-weight: 600;
            border-radius: 4px;
         }

         .xb-mainnav {
            display: none;
            width: 100%;
            padding-top: 1rem;
         }

         .xb-mainnav.is-unfurled {
            display: block;
         }

         .xb-mainnav > ul {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
         }

         .xb-mainnav > ul > li {
            position: relative;
         }

         .xb-mainnav > ul > li > a,
         .xb-mainnav > ul > li > .xb-nav-trigger {
            display: block;
            padding: 0.75rem 1rem;
            color: var(--xb-masthead-ink);
            border-radius: 4px;
            text-align: left;
            width: 100%;
         }

         .xb-mainnav > ul > li > a:hover,
         .xb-mainnav > ul > li > a:focus,
         .xb-mainnav > ul > li > .xb-nav-trigger:hover,
         .xb-mainnav > ul > li > .xb-nav-trigger:focus {
            background-color: var(--xb-primary-fill);
         }

         .xb-mainnav > ul > li > a[aria-current="page"],
         .xb-mainnav > ul > li > .xb-nav-trigger[aria-current="page"] {
            background-color: var(--xb-primary-fill);
         }

         .xb-nav-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
         }

         .xb-nav-item > a {
            flex: 1;
         }

         .xb-nav-item > .xb-nav-trigger {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 0.375rem;
         }

         .xb-chevron {
            transition: transform 0.2s ease;
            margin-left: 1rem;
         }

         .xb-nav-item > .xb-nav-trigger[aria-expanded="true"] .xb-chevron {
            transform: rotate(180deg);
         }

         .xb-submenu {
            width: 100%;
            padding-left: 1rem;
            font-size: .8rem;
         }

         .xb-submenu a {
            display: block;
            padding: 0.625rem 1rem;
            color: var(--xb-masthead-ink);
            font-size: 1rem;
         }

         .xb-submenu a:hover,
         .xb-submenu a:focus {
            background-color: var(--xb-primary-fill);
            border-radius: 4px;
         }

         /* BREADCRUMB */
         nav.xb-crumbs {
            background-color: var(--xb-masthead-bg);
            padding: 0.875rem 1rem;
            min-height: var(--xb-crumbs-h);
         }

         ol.xb-crumbs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
         }

         ol.xb-crumbs li {
            display: flex;
            align-items: center;
            color: var(--xb-masthead-muted);
         }

         ol.xb-crumbs li:not(:last-child)::after {
            content: "/";
            margin-left: 0.5rem;
         }

         ol.xb-crumbs a {
            font-size: 1rem;
            color: var(--xb-masthead-ink);
         }

         /* MAIN */
         .xb-canvas {
            min-height: 50vh;
         }

         /* HERO */
         .xb-marquee {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: calc(100vh - var(--xb-masthead-h) - var(--xb-crumbs-h));
            background-image:
               linear-gradient(rgba(0,0,0,0.61), rgba(0,0,0,0.72)),
               url('/images/hero-background.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: var(--xb-masthead-ink);
            text-align: center;
            padding: 2rem 1rem;         }

         .xb-marquee h1 {
            font-size: clamp(1.75rem, 5vw, 3.5rem);
            margin-bottom: 1rem;
            line-height: 1.2;
         }

         .xb-marquee p {
            font-size: clamp(1rem, 2.5vw, 1.25rem);
            color: #eef2f6;
         }

         /* WRAP */
         .xb-vessel {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
         }

         /* LAYOUT */
         .xb-splitrow {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            margin-bottom: 3rem;
         }

         .xb-splitrow-media img {
            width: 100%;
            border-radius: 8px;
         }

         .xb-splitrow-text h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
         }

         .xb-splitrow-text p {
            margin-bottom: 1rem;
         }

         .xb-anchorlist {
            margin-bottom: 1.5rem;
         }

         .xb-anchorlist li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--xb-edge);
         }

         .xb-trigger {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            background-color: var(--xb-primary-fill);
            color: var(--xb-masthead-ink);
            font-weight: 600;
            border-radius: 4px;
            text-decoration: none;
         }

         .xb-trigger:hover,
         .xb-trigger:focus {
            background-color: var(--xb-primary-fill-hover);
            text-decoration: none;
         }

         /* SECTION-BOLUM */
         .xb-segment {
            margin-bottom: 3rem;
         }

         .xb-segment h2 {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            text-align: center;
         }

         .xb-segment p {
            margin-bottom: 2rem;
         }

         .xb-chipgrid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
         }

         .xb-chipgrid li a {
            display: block;
            padding: 0.5rem 1rem;
            background-color: var(--xb-primary-dim);
            border-radius: 4px;
            color: var(--xb-link-on-dim);
            font-weight: 600;
         }

         .xb-inset {
            padding: 1.5rem;
            background-color: var(--xb-primary-dim);
            border-radius: 8px;
         }

         .xb-inset h3 {
            margin-bottom: 0.75rem;
         }

         .xb-inset p {
            margin-bottom: 0.75rem;
         }

         .xb-inset-list li {
            padding: 0.375rem 0;
         }

         /* CATEGORY ROW — homepage split block */
         .xb-catrow {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
            margin-bottom: 3rem;
         }

         .xb-catrow-media {
            flex: 0 0 auto;
         }

         .xb-catrow-media img {
            width: 100%;
            border-radius: 8px;
            object-fit: cover;
            aspect-ratio: 4/3;
         }

         .xb-catrow-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1rem;
         }

         .xb-catrow-body h2 {
            font-size: clamp(1.25rem, 3vw, 1.75rem);
            margin-bottom: 0.25rem;
         }

         .xb-catrow-body > p {
            margin-bottom: 0.5rem;
            color: var(--xb-muted-on-surface);
         }

         .xb-catlist {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-bottom: 1.5rem;
         }

         .xb-catlist li {
            border-bottom: 1px solid var(--xb-edge);
         }

         .xb-catlist li:first-child {
            border-top: 1px solid var(--xb-edge);
         }

         .xb-catlist li a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 0.5rem;
            color: var(--xb-ink);
            font-weight: 500;
            text-decoration: none;
            transition: background-color 0.15s ease, padding-left 0.15s ease;
         }

         .xb-catlist li a:hover,
         .xb-catlist li a:focus {
            background-color: var(--xb-primary-dim);
            padding-left: 1rem;
            border-radius: 4px;
            text-decoration: none;
         }

         .xb-catlist li a::before {
            content: "→";
            color: var(--xb-primary);
            font-size: 0.875rem;
            flex-shrink: 0;
         }

         @media (min-width: 768px) {
            .xb-catrow {
               flex-direction: row;
               align-items: flex-start;
            }

            .xb-catrow-media {
               flex: 0 0 42%;
            }
         }

         /* CTA */
         .xb-callout {
            text-align: center;
            padding: 3rem 1.5rem;
            background-color: var(--xb-primary-dim);
            border-radius: 8px;
            margin-bottom: 2rem;
         }

         .xb-callout h2 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
         }

         .xb-callout p {
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
         }

         /* PAGE HEADER */
         .xb-pagebanner {
            text-align: center;
            padding: 3rem 1rem;
            background-color: var(--xb-primary-dim);
         }

         .xb-pagebanner h1 {
            font-size: clamp(1.5rem, 4vw, 2.5rem);
            margin-bottom: 0.75rem;
         }

         /* GRIDS */
         .xb-mosaic3,
         .xb-mosaic4 {
            display: grid;
            gap: 1.5rem;
         }

         /* CARDS */
         .xb-tile-link {
            display: block;
            text-decoration: none;
            color: inherit;
         }

         .xb-tile {
            background-color: var(--xb-surface);
            border: 1px solid var(--xb-edge);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
         }

         .xb-tile:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px var(--xb-depth);
         }

         .xb-tile-visual img {
            width: 100%;
            aspect-ratio: 1;
            object-fit: cover;
         }

         .xb-tile-content {
            padding: 1rem;
         }

         .xb-tile-content h3 {
            font-size: 1.5rem;
         }

         .xb-tile-summary {
            padding: 0 1rem;
         }

         .xb-tile-summary p {
            font-size: 0.875rem;
            color: var(--xb-muted-on-surface);
         }

         .xb-tile-action {
            padding: 1rem;
            text-align: right;
         }

         .xb-tile-action span {
            color: var(--xb-primary);
            font-weight: 600;
         }

         .xb-tile--product .xb-tile-content {
            text-align: center;
         }

         /* PRODUCT TYPES */
         .xb-lineup {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            padding: 2rem 0;
         }

         .xb-lineup-thumb img {
            width: 100%;
            border-radius: 8px;
         }

         .xb-lineup-detail h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
         }

         .xb-lineup-detail p {
            margin-bottom: 1.5rem;
         }

         .xb-speclist {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
         }

         .xb-speclist li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 1rem;
            background-color: var(--xb-primary-dim);
            border-radius: 4px;
            flex-wrap: wrap;
            gap: 0.5rem;
         }

         .xb-speclist li span {
            font-weight: 500;
         }

         .xb-speclist li button {
            padding: 0.5rem 1rem;
            background-color: var(--xb-primary-fill);
            color: var(--xb-masthead-ink);
            border-radius: 4px;
            font-weight: 600;
            font-size: 0.875rem;
         }

         .xb-speclist li button:hover {
            filter: brightness(1.12);
         }

         /* DETAIL */
         .xb-showcase {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            margin-bottom: 2rem;
         }

         .xb-showcase-media img {
            width: 100%;
            border-radius: 8px;
         }

         .xb-showcase-text h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
         }

         .xb-showcase-text p {
            margin-bottom: 1rem;
         }

         .xb-showcase-text .xb-speclist li {
            justify-content: flex-start;
         }

         .xb-showcase-text .xb-speclist li::before {
            content: "✓";
            color: var(--xb-primary);
            font-weight: 700;
            margin-right: 0.5rem;
         }

         /* CONTACT */
         .xb-reachout {
            text-align: center;
            margin-bottom: 2rem;
         }

         .xb-reachout h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
         }

         .xb-reachout-grid {
            display: grid;
            gap: 1.5rem;
            margin-bottom: 2rem;
         }

         .xb-infobox {
            padding: 1.5rem;
            background-color: var(--xb-primary-dim);
            border-radius: 8px;
            text-align: center;
         }

         .xb-infobox h3 {
            margin-bottom: 0.75rem;
         }

         .xb-geoblock h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
         }

         .xb-geoblock p {
            margin-bottom: 1rem;
         }

         .xb-geoblock-frame {
            aspect-ratio: 16/9;
            border-radius: 8px;
            overflow: hidden;
         }

         .xb-geoblock-frame iframe {
            width: 100%;
            height: 100%;
            border: 0;
         }

         /* FOOTER */
         .xb-footer {
            background-color: var(--xb-masthead-bg);
            color: var(--xb-masthead-ink);
            padding: 3rem 0 1.5rem;
         }

         .xb-ftr-vessel {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
         }

         .xb-ftr-upper {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            margin-bottom: 2rem;
         }

         .xb-ftr-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
         }

         .xb-ftr-blurb {
            color: var(--xb-masthead-muted);
            line-height: 1.7;
         }

         .xb-ftr-columns {
            display: grid;
            gap: 1.5rem;
         }

         .xb-ftr-col h3 {
            font-size: 1rem;
            margin-bottom: 0.75rem;
         }

         .xb-ftr-col address {
            font-style: normal;
            line-height: 1.8;
         }

         .xb-ftr-col a {
            color: var(--xb-masthead-ink);
         }

         .xb-ftr-lower {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--xb-edge);
            text-align: center;
         }

         .xb-ftr-lower small {
            font-size: 1rem;
            color: var(--xb-masthead-muted);
         }

         .xb-ftr-legalist {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
         }

         .xb-ftr-legalink {
            color: var(--xb-masthead-ink);
            font-size: 1rem;
         }

         /* MODAL */
         .xb-overlay {
            position: fixed;
            inset: 0;
            background-color: var(--xb-scrim-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.3s ease, visibility 0.3s ease;
         }

         .xb-overlay.is-shown {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
         }

         .xb-dialog {
            background-color: var(--xb-surface);
            color: var(--xb-ink);
            border-radius: 8px;
            padding: 2rem;
            max-width: 600px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            transform: scale(0.9);
            transition: transform 0.3s ease;
         }

         .xb-overlay.is-shown .xb-dialog {
            transform: scale(1);
         }

         .xb-dialog-shut {
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 2.5rem;
            height: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background-color: var(--xb-primary-dim);
            border-radius: 50%;
            color: var(--xb-ink);
         }

         .xb-dialog-shut:hover {
            background-color: var(--xb-primary-fill);
            color: var(--xb-masthead-ink);
         }

         .xb-dialog h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            padding-right: 2.5rem;
         }

         .xb-dialog p {
            margin-bottom: 1rem;
         }

         .xb-dialog ul {
            padding-left: 1.25rem;
            margin-bottom: 1rem;
         }

         .xb-dialog ul li {
            list-style: disc;
            padding: 0.25rem 0;
         }

         .xb-dialog-block {
            margin-top: 1.5rem;
            padding-top: 1.25rem;
            border-top: 1px solid var(--xb-edge, #e0e0e0);
         }

         .xb-dialog-block:first-of-type {
            margin-top: 1rem;
         }

         .xb-dialog-block > h3 {
            font-size: 1rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.75rem;
            color: var(--xb-primary, #555);
         }

         .xb-dialog-block h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0.75rem 0 0.5rem;
         }

         .xb-dialog-block h5 {
            font-size: 1rem;
            font-weight: 700;
            margin: 1rem 0 0.25rem;
            padding: 0.25rem 0.5rem;
            background-color: var(--xb-primary-dim, #f4f4f4);
            border-left: 3px solid var(--xb-primary, #888);
         }

         .xb-dialog-grid {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 0.5rem;
         }

         .xb-dialog-grid th,
         .xb-dialog-grid td {
            padding: 0.45rem 0.6rem;
            vertical-align: top;
            text-align: left;
            border-bottom: 1px solid var(--xb-edge, #e8e8e8);
            line-height: 1.5;
         }

         .xb-dialog-grid th[scope="row"] {
            width: 42%;
            font-weight: 600;
            color: var(--xb-ink);
            white-space: normal;
         }

         .xb-dialog-grid th[scope="col"] {
            font-weight: 600;
            color: var(--xb-ink);
            white-space: nowrap;
         }

         .xb-dialog-grid td {
            width: 58%;
            color: var(--xb-ink);
         }

         .xb-dialog-grid tr:last-child th,
         .xb-dialog-grid tr:last-child td {
            border-bottom: none;
         }

         .xb-dialog-grid tr:nth-child(even) {
            background-color: var(--xb-primary-dim, #fafafa);
         }

         /* CEMENT DETAILS BUTTON */
         .cement-details-button {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1.25rem;
            padding: 0.5rem 1.5rem;
            background-color: var(--xb-primary-fill);
            color: var(--xb-masthead-ink);
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            transition: background-color 0.2s ease, transform 0.1s ease;
         }

         .cement-details-button:hover {
            background-color: var(--xb-primary-fill-hover);
         }

         .cement-details-button:active {
            transform: scale(0.97);
         }

         .cement-details-button:focus {
            outline: 3px solid var(--xb-ring);
            outline-offset: 2px;
         }

         /* CEMENT MODAL — wider dialog for tabular content */
         .cement-modal .xb-dialog {
            max-width: 780px;
         }

         /* TABLET - 768px */
         @media (min-width: 768px) {
            :root {
               --xb-masthead-h: 100px;
            }

            .xb-langbar {
               padding: 0.5rem 2rem;
               border-bottom: 1px solid var(--xb-langbar-border);
            }

            .xb-topstrip {
               padding: 0.75rem 2rem;
            }

            .xb-sigil img {
               width: 160px;
            }

            .xb-burger {
               display: none;
            }

            .xb-mainnav {
               display: block;
               width: auto;
               padding-top: 0;
            }

            .xb-mainnav > ul {
               flex-direction: row;
               align-items: center;
               gap: 0;
            }

            .xb-mainnav > ul > li > a,
            .xb-mainnav > ul > li > .xb-nav-trigger {
               padding: 0.625rem 1rem;
               width: auto;
            }

            .xb-nav-item {
               position: relative;
            }

            .xb-submenu {
               position: absolute;
               top: 100%;
               left: 0;
               width: 260px;
               padding: 0.5rem;
               background-color: var(--xb-masthead-bg);
               border-radius: 4px;
               box-shadow: 0 4px 12px var(--xb-depth);
            }

            nav.xb-crumbs {
               padding: 0.875rem 2rem;
            }

            .xb-vessel {
               padding: 3rem 2rem;
            }

            .xb-splitrow {
               flex-direction: row;
               align-items: center;
            }

            .xb-splitrow-media {
               flex: 0 0 45%;
            }

            .xb-splitrow-text {
               flex: 1;
            }

            .xb-mosaic3 {
               grid-template-columns: repeat(2, 1fr);
            }

            .xb-mosaic4 {
               grid-template-columns: repeat(2, 1fr);
            }

            .xb-lineup {
               flex-direction: row;
               align-items: flex-start;
            }

            .xb-lineup-thumb {
               flex: 0 0 40%;
            }

            .xb-lineup-detail {
               flex: 1;
            }

            .xb-showcase {
               flex-direction: row;
               align-items: flex-start;
            }

            .xb-showcase-media {
               flex: 0 0 45%;
            }

            .xb-showcase-text {
               flex: 1;
            }

            /* Full-width intro + grid below (avoid row layout from .xb-showcase) */
            .xb-showcase.xb-showcase--packaging {
               flex-direction: column;
               align-items: stretch;
            }

            .xb-showcase-packaging-intro {
               flex: none;
               width: 100%;
               max-width: 48rem;
            }

            .xb-showcase--packaging .cement-package-options {
               flex: none;
               width: 100%;
               margin-top: 0.5rem;
            }

            .xb-reachout-grid {
               grid-template-columns: repeat(3, 1fr);
            }

            .xb-ftr-columns {
               grid-template-columns: repeat(3, 1fr);
            }

            .xb-ftr-lower {
               flex-direction: row;
               justify-content: space-between;
               align-items: center;
               text-align: left;
            }
         }

         /* DESKTOP - 1024px */
         @media (min-width: 1024px) {
            :root {
               --xb-masthead-h: 90px;
            }
            .xb-langbar {
               padding: 0.5rem 3.5rem;
               border-bottom: 1px solid var(--xb-langbar-border);
            }
            .xb-topstrip {
               padding: 0.5rem 3rem;
            }

            .xb-sigil img {
               width: 180px;
            }

            .xb-mainnav > ul > li > a,
            .xb-mainnav > ul > li > .xb-nav-trigger {
               padding: 0.75rem 1.25rem;
            }
            .xb-pagebanner {
               padding: 2rem 5rem;
            }
            nav.xb-crumbs {
               padding: 0.875rem 3rem;
            }

            .xb-vessel {
               padding: 4rem 3rem;
            }

            .xb-mosaic3 {
               grid-template-columns: repeat(4, 1fr);
            }

            .xb-mosaic4 {
               grid-template-columns: repeat(4, 1fr);
            }

            .xb-ftr-upper {
               flex-direction: row;
               gap: 4rem;
            }

            .xb-ftr-brand {
               flex: 0 0 35%;
            }

            .xb-ftr-columns {
               flex: 1;
            }
         }

         /* PACKAGING GRID */
         .xb-showcase-packaging-intro h2 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
         }

         .xb-showcase-packaging-intro p {
            margin-bottom: 0;
         }

         .cement-package-options {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
            margin-top: 1.5rem;
         }

         .cement-package-options li {
            background-color: var(--xb-surface);
            border: 1px solid var(--xb-edge);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
         }

         .cement-package-options li:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px var(--xb-depth);
         }

         .cement-package-option-image img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
         }

         .cement-package-options h3 {
            font-size: 1.05rem;
            padding: 0.75rem 1rem 0;
            color: var(--xb-primary);
         }

         .cement-package-options p {
            font-size: 0.85rem;
            padding: 0.35rem 1rem 1rem;
            color: var(--xb-muted-on-surface);
            line-height: 1.5;
         }

         /* Column count must follow base .cement-package-options (same specificity; later wins) */
         @media (min-width: 768px) {
            .cement-package-options {
               grid-template-columns: repeat(2, 1fr);
            }
         }

         @media (min-width: 1024px) {
            .cement-package-options {
               grid-template-columns: repeat(3, 1fr);
            }
         }

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

            html {
               scroll-behavior: auto;
            }
         }