/* PAGE-BODY CSS (self-contained) — platform (platform)
   Extracted verbatim from CEO-approved deterministic desktop HTML.
   Shared header/footer styled by global.css (loaded after this file). */

    /* =========================================================
       GLOBAL DESIGN TOKENS / REUSABLE LEXI RULES
       ========================================================= */
    :root {
      --lexi-navy: #001530;
      --lexi-navy-card: #061c36;
      --lexi-paper: #efeff0;
      --lexi-white: #ffffff;
      --lexi-ink: #101c32;
      --lexi-gold: #f6aa00;
      --lexi-blue: #245fc4;
      --lexi-blue-bright: #2d67d7;
      --lexi-line-dark: rgba(255,255,255,.22);
      --lexi-line-light: #d7d9dd;
      --lexi-muted-dark: #d6dde6;
      --lexi-muted-light: #475265;

      --lexi-container: 1240px;
      --lexi-section-pad: 60px;
      --lexi-radius: 2px;

      --lexi-h1: 64px;
      --lexi-h2: 48px;
      --lexi-eyebrow: 24px;
      --lexi-body: 20px;
      --lexi-support: 18px;
      --lexi-cta: 18px;
      --lexi-nav: 18px;

      --lexi-icon-lg: 58px;
      --lexi-icon-md: 50px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--lexi-ink);
      background: var(--lexi-paper);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    img { display: block; max-width: 100%; }
    a { color: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    :focus-visible { outline: 3px solid #78b8ff; outline-offset: 3px; }

    .lexi-container {
      width: min(var(--lexi-container), calc(100% - 64px));
      margin-inline: auto;
    }
    .lexi-section {
      padding-block: var(--lexi-section-pad);
    }
    .lexi-dark { background: var(--lexi-navy); color: var(--lexi-white); }
    .lexi-light { background: var(--lexi-paper); color: var(--lexi-ink); }

    .lexi-eyebrow {
      margin: 0 0 18px;
      color: var(--lexi-gold);
      font-size: var(--lexi-eyebrow);
      line-height: 1.2;
      font-weight: 700;
      letter-spacing: .02em;
      text-transform: uppercase;
    }
    .lexi-h1, .lexi-h2, .lexi-h3 { margin-top: 0; }
    .lexi-h1 {
      margin-bottom: 20px;
      font-size: var(--lexi-h1);
      line-height: 1.02;
      font-weight: 400;
      letter-spacing: -.035em;
    }
    .lexi-h2 {
      margin-bottom: 20px;
      font-size: var(--lexi-h2);
      line-height: 1.08;
      font-weight: 400;
      letter-spacing: -.027em;
    }
    .lexi-h3 {
      font-size: 20px;
      line-height: 1.28;
      margin-bottom: 10px;
      font-weight: 600;
    }
    .lexi-body {
      margin: 0;
      font-size: var(--lexi-body);
      line-height: 1.55;
    }
    .lexi-support {
      margin: 0;
      font-size: var(--lexi-support);
      line-height: 1.5;
    }
    .lexi-dark .lexi-body,
    .lexi-dark .lexi-support { color: var(--lexi-muted-dark); }
    .lexi-light .lexi-body,
    .lexi-light .lexi-support { color: var(--lexi-muted-light); }

    .lexi-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 26px;
    }
    .lexi-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 14px 20px;
      border: 1px solid currentColor;
      border-radius: var(--lexi-radius);
      font-size: var(--lexi-cta);
      line-height: 1;
      font-weight: 600;
      text-decoration: none;
      white-space: nowrap;
    }
    .lexi-btn--primary {
      color: #0b1c2c;
      background: var(--lexi-gold);
      border-color: var(--lexi-gold);
    }
    .lexi-btn--secondary {
      color: var(--lexi-white);
      background: transparent;
      border-color: rgba(255,255,255,.72);
    }
    .lexi-light .lexi-btn--secondary {
      color: var(--lexi-blue);
      border-color: var(--lexi-blue);
    }
    .lexi-btn:hover { filter: brightness(.97); }
    .lexi-arrow { margin-left: 10px; }

    .lexi-icon {
      display: inline-grid;
      place-items: center;
      width: var(--lexi-icon-lg);
      height: var(--lexi-icon-lg);
      color: currentColor;
      flex: 0 0 auto;
    }
    .lexi-icon svg {
      width: 100%;
      height: 100%;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    /* =========================================================
       GLOBAL HEADER
       ========================================================= */
    .site-header {
      background: var(--lexi-navy);
      color: var(--lexi-white);
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .header-inner {
      min-height: 86px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .site-brand {
      display: inline-flex;
      align-items: center;
      margin-right: auto;
      flex: 0 0 auto;
    }
    .site-brand img {
      width: 128px;
      height: auto;
      object-fit: contain;
    }
    .primary-nav {
      display: flex;
      align-items: center;
      gap: 28px;
      font-size: var(--lexi-nav);
    }
    .primary-nav a {
      position: relative;
      color: var(--lexi-white);
      text-decoration: none;
      padding-block: 10px;
    }
    .primary-nav a[aria-current="page"] {
      font-weight: 600;
    }
    .primary-nav a[aria-current="page"]::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 2px;
      height: 2px;
      background: var(--lexi-gold);
    }
    .header-cta {
      color: var(--lexi-gold);
      border: 1px solid var(--lexi-gold);
      text-decoration: none;
      padding: 11px 16px;
      font-size: var(--lexi-nav);
      white-space: nowrap;
    }
    .nav-toggle {
      display: none;
      width: 46px;
      height: 42px;
      border: 1px solid rgba(255,255,255,.36);
      background: transparent;
      color: #fff;
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }
    .nav-toggle-lines,
    .nav-toggle-lines::before,
    .nav-toggle-lines::after {
      width: 21px;
      height: 2px;
      background: currentColor;
      display: block;
      position: relative;
      content: "";
    }
    .nav-toggle-lines::before { position: absolute; top: -7px; }
    .nav-toggle-lines::after { position: absolute; top: 7px; }
    .mobile-nav-cta { display: none; }

    /* =========================================================
       PAGE CONTENT
       ========================================================= */

    /* Hero */
    .platform-hero { padding-block: var(--lexi-section-pad); }
    .hero-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 72px;
      align-items: center;
    }
    .hero-copy .lexi-body { max-width: 570px; }
    .hero-support {
      margin-top: 18px;
      font-size: var(--lexi-support);
      line-height: 1.5;
      color: var(--lexi-white);
      max-width: 570px;
    }
    .hero-photo {
      overflow: hidden;
      aspect-ratio: 2.08 / 1;
      background: #071b30;
    }
    .hero-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-diagram {
      display: grid;
      grid-template-columns: 1fr 48px 1fr 48px 1fr;
      gap: 6px;
      align-items: center;
      margin-top: 24px;
    }
    .diagram-node {
      min-width: 0;
      text-align: center;
      font-size: 15px;
      line-height: 1.35;
      color: #fff;
    }
    .diagram-visual {
      height: 78px;
      display: grid;
      place-items: center;
      margin-bottom: 8px;
    }
    .diagram-visual .lexi-icon { width: 70px; height: 70px; color: #e8eef4; }
    .diagram-gateway {
      width: 145px;
      height: 78px;
      object-fit: contain;
      margin-inline: auto;
    }
    .diagram-arrow {
      color: var(--lexi-white);
      font-size: 30px;
      text-align: center;
    }

    /* Why LEXI */
    .why-grid {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 74px;
      align-items: center;
    }
    .why-copy .lexi-h2 { max-width: 420px; }
    .why-copy .lexi-body + .lexi-body { margin-top: 18px; }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
    }
    .stat {
      min-height: 220px;
      padding: 6px 34px 0;
      border-left: 1px solid var(--lexi-line-light);
    }
    .stat-number {
      color: var(--lexi-blue-bright);
      font-size: 62px;
      line-height: 1;
      font-weight: 400;
      margin-bottom: 22px;
      letter-spacing: -.025em;
    }

    /* How LEXI Works */
    .how-intro {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 72px;
      align-items: start;
    }
    .how-intro .lexi-h2 { max-width: 680px; }
    .how-intro > .lexi-body { padding-top: 42px; }
    .how-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 26px;
      margin-top: 32px;
    }
    .how-step {
      min-height: 285px;
      padding: 24px 22px;
      border: 1px solid var(--lexi-line-dark);
      background: rgba(255,255,255,.012);
    }
    .how-step .lexi-icon {
      width: 58px;
      height: 58px;
      color: #fff;
      margin-bottom: 15px;
    }
    .how-step .lexi-h3 { color: #fff; }
    .architecture-flow {
      display: grid;
      grid-template-columns: 1fr 58px 1fr 58px 1fr 58px 1.25fr;
      gap: 6px;
      align-items: center;
      margin-top: 30px;
    }
    .arch-node {
      text-align: center;
      min-width: 0;
      color: #fff;
    }
    .arch-visual {
      height: 105px;
      display: grid;
      place-items: center;
      margin-bottom: 10px;
    }
    .arch-visual .lexi-icon { width: 82px; height: 82px; color: #fff; }
    .arch-gateway { width: 170px; height: 96px; object-fit: contain; }
    .arch-label { font-size: 15px; line-height: 1.35; }
    .arch-arrow {
      position: relative;
      height: 1px;
      background: rgba(255,255,255,.85);
    }
    .arch-arrow::after {
      content: "›";
      position: absolute;
      right: -2px;
      top: 50%;
      transform: translateY(-53%);
      font-size: 28px;
      line-height: 1;
      color: #fff;
      background: var(--lexi-navy);
    }
    .edge-stack {
      width: 72px;
      display: grid;
      gap: 8px;
    }
    .edge-stack span {
      height: 14px;
      border: 2px solid #fff;
      border-radius: 8px;
      position: relative;
    }
    .edge-stack span::after {
      content: "";
      position: absolute;
      right: 7px;
      top: 3px;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--lexi-gold);
    }

    /* Extend What Already Works */
    .extend-intro { max-width: 760px; }
    .mode-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 28px;
    }
    .mode-card {
      min-height: 245px;
      border: 1px solid var(--lexi-line-light);
      padding: 25px 26px;
      background: rgba(255,255,255,.32);
    }
    .mode-card .lexi-icon {
      color: var(--lexi-blue);
      margin-bottom: 14px;
    }
    .extend-note { margin-top: 22px; }

    /* Applications */
    .applications-intro {
      display: grid;
      grid-template-columns: 1fr .85fr;
      gap: 70px;
      align-items: end;
    }
    .applications-intro .lexi-h2 { max-width: 650px; }
    .application-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 30px;
    }
    .application-card {
      border: 1px solid var(--lexi-line-dark);
      background: rgba(255,255,255,.014);
      overflow: hidden;
    }
    .application-card img {
      width: 100%;
      height: 170px;
      object-fit: cover;
    }
    .application-copy { padding: 20px 20px 22px; }
    .application-copy .lexi-h3 { color: #fff; }
    .application-copy .lexi-support { min-height: 135px; }

    /* Local Intelligence + Managed Infrastructure */
    .managed-intro { max-width: 880px; }
    .managed-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 0;
      margin-top: 30px;
      border: 1px solid var(--lexi-line-light);
      background: rgba(255,255,255,.3);
    }
    .managed-item {
      padding: 24px 20px;
      border-right: 1px solid var(--lexi-line-light);
    }
    .managed-item:last-child { border-right: 0; }
    .managed-item .lexi-icon {
      width: 52px;
      height: 52px;
      color: var(--lexi-blue);
      margin-bottom: 13px;
    }

    /* Future */
    .future-intro { max-width: 860px; }
    .future-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 28px;
    }
    .future-card {
      min-height: 205px;
      padding: 20px;
      border: 1px solid var(--lexi-line-dark);
      background: rgba(255,255,255,.014);
    }
    .future-card .lexi-h3 { color: #fff; }
    .maturity {
      display: inline-block;
      margin: 0 0 14px;
      padding: 4px 8px;
      border: 1px solid var(--lexi-gold);
      color: var(--lexi-gold);
      font-size: 12px;
      line-height: 1.2;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .03em;
    }
    .maturity--future {
      color: #39bfa6;
      border-color: #39bfa6;
    }

    /* Closing */
    .platform-closing {
      padding-block: var(--lexi-section-pad);
    }
    .closing-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 70px;
      align-items: center;
    }
    .closing-grid .lexi-h2 {
      font-size: 38px;
      max-width: 520px;
    }
    .closing-image {
      overflow: hidden;
      aspect-ratio: 2.6 / 1;
      background: #071b30;
    }
    .closing-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* =========================================================
       GLOBAL FOOTER
       ========================================================= */
    .site-footer {
      background: #001326;
      color: #cbd5df;
      padding: 52px 0 26px;
      border-top: 1px solid rgba(255,255,255,.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr .75fr;
      gap: 24px;
    }
    .footer-brand img {
      width: 126px;
      height: auto;
      margin-bottom: 14px;
    }
    .footer-company {
      margin: 0;
      color: #d8e1e8;
      font-size: 15px;
    }
    .footer-column h2 {
      margin: 0 0 10px;
      color: #fff;
      font-size: 16px;
      font-weight: 600;
    }
    .footer-column a {
      display: block;
      margin: 6px 0;
      color: #c1ccd5;
      font-size: 14px;
      line-height: 1.45;
      text-decoration: none;
    }
    .footer-column a:hover { color: #fff; }
    .footer-mobile { display: none; }
    .footer-legal {
      display: flex;
      justify-content: space-between;
      gap: 24px;
      margin-top: 34px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.12);
      font-size: 13px;
      color: #9fafba;
    }
    .footer-legal a { color: inherit; text-decoration: none; }
    .footer-legal-links { display: flex; gap: 16px; flex-wrap: wrap; }

    /* =========================================================
       PAGE-SPECIFIC RESPONSIVE RULES
       ========================================================= */
    @media (max-width: 1120px) {
      :root {
        --lexi-h1: 54px;
        --lexi-h2: 40px;
        --lexi-eyebrow: 20px;
        --lexi-body: 18px;
        --lexi-support: 16px;
        --lexi-cta: 16px;
      }
      .lexi-container { width: min(var(--lexi-container), calc(100% - 56px)); }

      .nav-toggle { display: inline-flex; }
      .header-cta { display: none; }
      .primary-nav {
        display: none;
        position: absolute;
        z-index: 20;
        left: 0;
        right: 0;
        top: 86px;
        padding: 18px 28px 26px;
        background: #001326;
        border-top: 1px solid rgba(255,255,255,.12);
        border-bottom: 1px solid rgba(255,255,255,.12);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
      }
      .primary-nav.is-open { display: flex; }
      .primary-nav a {
        padding: 13px 0;
        border-bottom: 1px solid rgba(255,255,255,.1);
      }
      .primary-nav a[aria-current="page"]::after { display: none; }
      .mobile-nav-cta {
        display: inline-flex;
        margin-top: 16px;
        align-self: flex-start;
        border: 1px solid var(--lexi-gold) !important;
        color: var(--lexi-gold) !important;
        padding: 12px 15px !important;
      }

      .hero-grid { gap: 48px; }
      .why-grid { gap: 44px; }
      .how-intro { gap: 44px; }
      .how-steps { grid-template-columns: repeat(2, 1fr); }
      .application-grid { grid-template-columns: repeat(2, 1fr); }
      .application-copy .lexi-support { min-height: 0; }
      .managed-grid { grid-template-columns: repeat(3, 1fr); }
      .managed-item:nth-child(3) { border-right: 0; }
      .managed-item:nth-child(-n+3) { border-bottom: 1px solid var(--lexi-line-light); }
      .managed-item:nth-child(4) { grid-column: 1 / 2; }
      .managed-item:nth-child(5) { grid-column: 2 / 4; border-right: 0; }
      .future-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1.3fr repeat(3, 1fr); row-gap: 30px; }
    }

    @media (max-width: 900px) {
      :root { --lexi-section-pad: 52px; }
      .hero-grid,
      .why-grid,
      .how-intro,
      .applications-intro,
      .closing-grid {
        grid-template-columns: 1fr;
      }
      .hero-copy .lexi-body,
      .hero-support { max-width: 720px; }
      .hero-art { max-width: 760px; }
      .why-copy .lexi-h2 { max-width: 650px; }
      .stats-grid { margin-top: 6px; }
      .how-intro > .lexi-body { padding-top: 0; max-width: 720px; }
      .mode-grid { grid-template-columns: repeat(2, 1fr); }
      .mode-card:last-child { grid-column: 1 / -1; }
      .architecture-flow {
        grid-template-columns: 1fr 40px 1fr 40px 1fr 40px 1.25fr;
      }
      .arch-gateway { width: 135px; }
      .footer-grid { display: none; }
      .footer-mobile { display: grid; gap: 0; }
      .footer-mobile details { border-bottom: 1px solid rgba(255,255,255,.12); }
      .footer-mobile summary {
        padding: 13px 0;
        cursor: pointer;
        color: #fff;
        font-size: 16px;
        font-weight: 600;
      }
      .footer-mobile nav { padding: 0 0 12px; }
      .footer-mobile a {
        display: block;
        padding: 5px 0;
        color: #c1ccd5;
        text-decoration: none;
        font-size: 14px;
      }
      .footer-brand--mobile {
        display: flex;
        align-items: center;
        gap: 18px;
        margin-bottom: 18px;
      }
      .footer-brand--mobile img { width: 116px; }
      .footer-brand--mobile p { margin: 0; }
    }

    @media (max-width: 680px) {
      :root {
        --lexi-section-pad: 44px;
        --lexi-h1: 42px;
        --lexi-h2: 34px;
        --lexi-eyebrow: 16px;
        --lexi-body: 17px;
        --lexi-support: 15px;
        --lexi-cta: 16px;
        --lexi-icon-lg: 50px;
      }
      .lexi-container { width: calc(100% - 36px); }
      .header-inner { min-height: 76px; }
      .site-brand img { width: 112px; }
      .primary-nav { top: 76px; padding-inline: 18px; }
      .lexi-actions { gap: 10px; }
      .lexi-btn { width: 100%; white-space: normal; text-align: center; }

      .hero-grid { gap: 34px; }
      .hero-photo { aspect-ratio: 1.65 / 1; }
      .hero-diagram {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .diagram-arrow {
        transform: rotate(90deg);
        height: 30px;
      }
      .diagram-visual { height: 66px; }
      .diagram-gateway { height: 64px; }

      .stats-grid { grid-template-columns: 1fr; }
      .stat {
        min-height: 0;
        padding: 24px 0;
        border-left: 0;
        border-top: 1px solid var(--lexi-line-light);
      }
      .stat-number { font-size: 52px; margin-bottom: 10px; }

      .how-steps,
      .mode-grid,
      .application-grid,
      .future-grid { grid-template-columns: 1fr; }
      .how-step { min-height: 0; }
      .mode-card:last-child { grid-column: auto; }

      .architecture-flow {
        grid-template-columns: 1fr;
        gap: 8px;
        max-width: 330px;
        margin-inline: auto;
      }
      .arch-arrow {
        width: 1px;
        height: 34px;
        justify-self: center;
      }
      .arch-arrow::after {
        content: "›";
        top: auto;
        left: 50%;
        right: auto;
        bottom: -3px;
        transform: translateX(-50%) rotate(90deg);
        background: var(--lexi-navy);
      }
      .arch-visual { height: 86px; }
      .managed-grid {
        grid-template-columns: 1fr;
        border: 0;
        background: transparent;
      }
      .managed-item,
      .managed-item:nth-child(n) {
        grid-column: auto;
        border: 1px solid var(--lexi-line-light);
        border-bottom: 0;
        background: rgba(255,255,255,.3);
      }
      .managed-item:last-child { border-bottom: 1px solid var(--lexi-line-light); }

      .application-card img { height: 190px; }
      .closing-grid .lexi-h2 { font-size: 32px; }
      .closing-image { aspect-ratio: 1.9 / 1; }

      .site-footer { padding-top: 38px; }
      .footer-brand--mobile { align-items: flex-start; flex-direction: column; gap: 8px; }
      .footer-legal { flex-direction: column; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
    }