    /* ─── Design Tokens ────────────────────────────────────────────── */
    :root {
      --navy:        #0a1628;
      --navy-mid:    #122240;
      --navy-light:  #1c3459;
      --steel:       #2d4a6e;
      --slate:       #4a6584;
      --rule:        #c8d4e2;
      --rule-light:  #e8eef5;
      --gold:        #b8892a;
      --gold-light:  #d4a94a;
      --text:        #1a2535;
      --text-mid:    #3d5068;
      --text-light:  #6b7f96;
      --bg:          #f5f7fa;
      --bg-white:    #ffffff;
      --bg-section:  #edf1f6;
      --accent-blue: #1a5fa8;
      --accent-green:#1e6b4a;
      --font-serif:  'Libre Baskerville', Georgia, serif;
      --font-sans:   'Source Sans 3', 'Segoe UI', sans-serif;
      --font-mono:   'Source Code Pro', 'Courier New', monospace;
      --shadow-sm:   0 1px 3px rgba(10,22,40,0.08);
      --shadow-md:   0 4px 12px rgba(10,22,40,0.10);
      --shadow-lg:   0 8px 28px rgba(10,22,40,0.14);
    }

    /* ─── Reset & Base ─────────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--accent-blue); text-decoration: none; }
    a:hover { text-decoration: underline; }
    img { max-width: 100%; display: block; }

    /* ─── Layout Utilities ─────────────────────────────────────────── */
    .container {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 2.5rem;
    }
    .section { padding: 4.5rem 0; }
    .section--alt { background: var(--bg-section); }
    .section--dark { background: var(--navy); color: #d8e4f0; }

    /* ─── Classification Banner ────────────────────────────────────── */
    .classification-bar {
      background: var(--navy);
      color: #8ab0d4;
      text-align: center;
      padding: 0.35rem 1rem;
      font-family: var(--font-mono);
      font-size: 0.72rem;
      letter-spacing: 0.12em;
      border-bottom: 2px solid var(--gold);
    }

    /* ─── Site Header ──────────────────────────────────────────────── */
    .site-header {
      background: var(--bg-white);
      border-bottom: 1px solid var(--rule);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: var(--shadow-sm);
    }
    .site-header__inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.9rem 2.5rem;
      max-width: 1100px;
      margin: 0 auto;
    }
    .site-header__logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      text-decoration: none;
    }
    .logo-mark {
      width: 38px;
      height: 38px;
      /* background: var(--navy);
      display: flex;
      align-items: center;
      justify-content: center;
      clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%); */
    }
    .logo-mark span {
      color: var(--gold);
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 1rem;
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }
    .logo-text__company {
      font-family: var(--font-sans);
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--navy);
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }
    .logo-text__tagline {
      font-size: 0.7rem;
      color: var(--text-light);
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }
    .site-nav {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .site-nav a {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-mid);
      letter-spacing: 0.05em;
      text-transform: uppercase;
      text-decoration: none;
      border-bottom: 2px solid transparent;
      padding-bottom: 2px;
      transition: color 0.2s, border-color 0.2s;
    }
    .site-nav a:hover,
    .site-nav a[aria-current="page"] {
      color: var(--accent-blue);
      border-bottom-color: var(--accent-blue);
    }
    .site-nav__cta {
      background: var(--navy) !important;
      color: #fff !important;
      padding: 0.45rem 1.1rem !important;
      border-radius: 2px !important;
      border-bottom: none !important;
      letter-spacing: 0.06em;
    }
    .site-nav__cta:hover {
      background: var(--navy-light) !important;
    }

    /* ─── Hero Section ─────────────────────────────────────────────── */
    .hero {
      background: var(--navy);
      position: relative;
      overflow: hidden;
      padding: 5.5rem 0 4.5rem;
    }
    /* Subtle grid texture */
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(200,212,226,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,212,226,0.04) 1px, transparent 1px);
      background-size: 40px 40px;
      pointer-events: none;
    }
    /* Gold accent line left */
    .hero::after {
      content: '';
      position: absolute;
      left: 0; top: 0; bottom: 0;
      width: 4px;
      background: linear-gradient(180deg, var(--gold) 0%, transparent 100%);
    }
    .hero__inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 4rem;
      align-items: center;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 2.5rem;
    }
    .hero__eyebrow {
      font-family: var(--font-mono);
      font-size: 0.72rem;
      letter-spacing: 0.18em;
      color: var(--gold-light);
      text-transform: uppercase;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }
    .hero__eyebrow::before {
      content: '';
      display: inline-block;
      width: 24px;
      height: 1px;
      background: var(--gold);
    }
    .hero__title {
      font-family: var(--font-serif);
      font-size: clamp(2rem, 4vw, 2.9rem);
      font-weight: 700;
      color: #ffffff;
      line-height: 1.18;
      margin-bottom: 1.4rem;
    }
    .hero__title em {
      font-style: normal;
      color: var(--gold-light);
    }
    .hero__description {
      font-size: 1.05rem;
      color: #8faecc;
      line-height: 1.75;
      max-width: 560px;
      margin-bottom: 2.2rem;
    }
    .hero__actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }
    .btn {
      display: inline-block;
      font-family: var(--font-sans);
      font-weight: 700;
      font-size: 0.82rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 0.75rem 1.6rem;
      border-radius: 2px;
      text-decoration: none;
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }
    .btn--primary {
      background: var(--gold);
      color: var(--navy);
    }
    .btn--primary:hover {
      background: var(--gold-light);
      text-decoration: none;
    }
    .btn--outline {
      border: 1.5px solid rgba(200,212,226,0.35);
      color: #b8cfe6;
    }
    .btn--outline:hover {
      border-color: var(--gold);
      color: var(--gold-light);
      text-decoration: none;
    }

    /* Hero Stats Card */
    .hero__stats {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(200,212,226,0.12);
      border-radius: 3px;
      padding: 2rem;
    }
    .hero__stats-label {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.16em;
      color: var(--gold);
      text-transform: uppercase;
      margin-bottom: 1.5rem;
      padding-bottom: 0.75rem;
      border-bottom: 1px solid rgba(200,212,226,0.1);
    }
    .stat-item {
      padding: 0.9rem 0;
      border-bottom: 1px solid rgba(200,212,226,0.07);
    }
    .stat-item:last-child { border-bottom: none; }
    .stat-item__value {
      font-family: var(--font-serif);
      font-size: 1.6rem;
      color: #ffffff;
      line-height: 1;
      margin-bottom: 0.2rem;
    }
    .stat-item__label {
      font-size: 0.72rem;
      color: #6a8ba8;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    /* ─── Compliance Ribbon ────────────────────────────────────────── */
    .compliance-ribbon {
      background: var(--navy-mid);
      border-top: 1px solid rgba(200,212,226,0.08);
      border-bottom: 3px solid var(--gold);
      padding: 1.1rem 0;
    }
    .compliance-ribbon__inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 2.5rem;
      display: flex;
      align-items: center;
      gap: 2.5rem;
      flex-wrap: wrap;
    }
    .compliance-ribbon__heading {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.16em;
      color: var(--gold);
      text-transform: uppercase;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .compliance-ribbon__divider {
      width: 1px;
      height: 20px;
      background: rgba(200,212,226,0.15);
      flex-shrink: 0;
    }
    .compliance-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
    }
    .badge {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.1em;
      padding: 0.28rem 0.65rem;
      border-radius: 2px;
      border: 1px solid;
      white-space: nowrap;
    }
    .badge--green  { color: #5ecf9a; border-color: rgba(94,207,154,0.3); background: rgba(94,207,154,0.06); }
    .badge--blue   { color: #6ab0e8; border-color: rgba(106,176,232,0.3); background: rgba(106,176,232,0.06); }
    .badge--gold   { color: var(--gold-light); border-color: rgba(212,169,74,0.3); background: rgba(212,169,74,0.06); }
        /* In-progress badge — muted, dashed border signals active pursuit not achieved status */
    .badge--pending  {
      color: #7a9fbe;
      border-color: rgba(122,159,190,0.4);
      border-style: dashed;
      background: rgba(122,159,190,0.04);
    }

    /* ─── Section Headers ──────────────────────────────────────────── */
    .section-header { margin-bottom: 3rem; }
    .section-header__eyebrow {
      font-family: var(--font-mono);
      font-size: 0.68rem;
      letter-spacing: 0.18em;
      color: var(--gold);
      text-transform: uppercase;
      margin-bottom: 0.6rem;
    }
    .section-header__title {
      font-family: var(--font-serif);
      font-size: clamp(1.4rem, 3vw, 1.9rem);
      font-weight: 700;
      color: var(--navy);
      line-height: 1.25;
      margin-bottom: 0.8rem;
    }
    .section--dark .section-header__title { color: #dce8f4; }
    .section-header__rule {
      width: 48px;
      height: 3px;
      background: linear-gradient(90deg, var(--gold), transparent);
      margin-top: 1rem;
    }
    .section-header__lead {
      font-size: 1rem;
      color: var(--text-mid);
      max-width: 640px;
      line-height: 1.75;
      margin-top: 0.8rem;
    }
    .section--dark .section-header__lead { color: #7a9fbe; }

    /* ─── Capabilities Grid ────────────────────────────────────────── */
    .capabilities-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 1.5px;
      background: var(--rule);
      border: 1.5px solid var(--rule);
      border-radius: 3px;
      overflow: hidden;
    }
    .cap-card {
      background: var(--bg-white);
      padding: 2rem 1.8rem;
      position: relative;
    }
    .cap-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0;
      width: 3px; height: 100%;
      background: var(--rule-light);
      transition: background 0.2s;
    }
    .cap-card:hover::before {
      background: var(--gold);
    }
    .cap-card__index {
      font-family: var(--font-mono);
      font-size: 0.62rem;
      letter-spacing: 0.14em;
      color: var(--text-light);
      margin-bottom: 0.9rem;
    }
    .cap-card__title {
      font-family: var(--font-sans);
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--navy);
      margin-bottom: 0.6rem;
      line-height: 1.35;
    }
    .cap-card__desc {
      font-size: 0.88rem;
      color: var(--text-mid);
      line-height: 1.65;
    }

    /* ─── Specification Table ──────────────────────────────────────── */
    .spec-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: start;
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.88rem;
    }
    .spec-table caption {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--text-light);
      text-align: left;
      padding-bottom: 0.6rem;
      margin-bottom: 0.2rem;
    }
    .spec-table thead th {
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-light);
      background: var(--bg-section);
      padding: 0.55rem 0.9rem;
      text-align: left;
      border-bottom: 2px solid var(--rule);
    }
    .spec-table tbody tr {
      border-bottom: 1px solid var(--rule-light);
      transition: background 0.15s;
    }
    .spec-table tbody tr:hover {
      background: var(--rule-light);
    }
    .spec-table tbody td {
      padding: 0.7rem 0.9rem;
      vertical-align: top;
      line-height: 1.5;
    }
    .spec-table tbody td:first-child {
      font-weight: 600;
      color: var(--navy);
      white-space: nowrap;
      width: 42%;
    }
    .spec-table tbody td:last-child {
      color: var(--text-mid);
    }

    /* ─── Compliance Detail Section ────────────────────────────────── */
    .compliance-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1px;
      background: rgba(200,212,226,0.12);
      border: 1px solid rgba(200,212,226,0.12);
      border-radius: 3px;
      overflow: hidden;
    }
    .compliance-item {
      background: rgba(255,255,255,0.03);
      padding: 1.6rem;
    }
    .compliance-item__status {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--font-mono);
      font-size: 0.65rem;
      letter-spacing: 0.12em;
      color: #5ecf9a;
      text-transform: uppercase;
      margin-bottom: 0.7rem;
    }
    .compliance-item__status::before {
      content: '✓';
      font-size: 0.75rem;
    }
    .compliance-item__name {
      font-weight: 700;
      font-size: 0.92rem;
      color: #dce8f4;
      margin-bottom: 0.4rem;
    }
    .compliance-item__desc {
      font-size: 0.8rem;
      color: #6a8ba8;
      line-height: 1.55;
    }

    /* ─── Use Case Section ─────────────────────────────────────────── */
    .use-cases {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2px;
      background: var(--rule);
      border: 1.5px solid var(--rule);
      border-radius: 3px;
      overflow: hidden;
    }
    .use-case {
      background: var(--bg-white);
      padding: 2rem 1.8rem;
    }
    .use-case__tag {
      display: inline-block;
      font-family: var(--font-mono);
      font-size: 0.6rem;
      letter-spacing: 0.12em;
      padding: 0.2rem 0.5rem;
      border-radius: 2px;
      background: var(--bg-section);
      color: var(--text-light);
      text-transform: uppercase;
      margin-bottom: 0.9rem;
    }
    .use-case__title {
      font-family: var(--font-sans);
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--navy);
      margin-bottom: 0.6rem;
      line-height: 1.3;
    }
    .use-case__body {
      font-size: 0.87rem;
      color: var(--text-mid);
      line-height: 1.65;
    }

    /* ─── Contact / CTA Section ────────────────────────────────────── */
    .cta-section {
      background: var(--navy);
      padding: 5rem 0;
      position: relative;
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(200,212,226,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,212,226,0.03) 1px, transparent 1px);
      background-size: 60px 60px;
    }
    .cta-inner {
      position: relative;
      z-index: 1;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 2.5rem;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 3rem;
    }
    .cta-inner__title {
      font-family: var(--font-serif);
      font-size: 1.7rem;
      color: #ffffff;
      margin-bottom: 0.6rem;
    }
    .cta-inner__sub {
      color: #6a8ba8;
      font-size: 0.95rem;
      line-height: 1.65;
    }
    .cta-inner__actions {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      align-items: stretch;
      min-width: 200px;
    }

    /* ─── Footer ───────────────────────────────────────────────────── */
    .site-footer {
      background: #06101e;
      border-top: 1px solid rgba(200,212,226,0.06);
      padding: 3rem 0 2rem;
      color: #4a6580;
      font-size: 1.02rem;
    }
    .site-footer__inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 2.5rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 3rem;
      padding-bottom: 2.5rem;
      border-bottom: 1px solid rgba(200,212,226,0.06);
      margin-bottom: 1.8rem;
    }
    .footer-col__heading {
      font-family: var(--font-mono);
      font-size: 1.02rem;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 1rem;
    }
    .footer-col__about {
      color: #ffffff;
      line-height: 1.7;
      margin-bottom: 1rem;
      font-size: 1.02rem;
    }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 0.5rem; }
    .footer-col ul li a {
      color: #4a6580;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-col ul li a:hover { color: #8faecc; }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .footer-legal {
      font-family: var(--font-mono);
      font-size: 0.62rem;
      letter-spacing: 0.08em;
      color: #ffffff;
    }
    .footer-cage {
      font-family: var(--font-mono);
      font-size: 0.82rem;
      letter-spacing: 0.1em;
      color: #ffffff;
    }

    /* ─── Utility / Accessibility ──────────────────────────────────── */
    .sr-only {
      position: absolute; width: 1px; height: 1px;
      padding: 0; margin: -1px; overflow: hidden;
      clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }
    :focus-visible {
      outline: 2px solid var(--gold);
      outline-offset: 2px;
    }

    /* ─── Responsive ───────────────────────────────────────────────── */
    @media (max-width: 900px) {
      .hero__inner         { grid-template-columns: 1fr; }
      .hero__stats         { display: none; }
      .spec-layout         { grid-template-columns: 1fr; }
      .footer-grid         { grid-template-columns: 1fr 1fr; }
      .cta-inner           { grid-template-columns: 1fr; }
      .site-nav            { display: none; }
    }
    @media (max-width: 600px) {
      .container           { padding: 0 1.25rem; }
      .site-header__inner  { padding: 0.8rem 1.25rem; }
      .hero                { padding: 3.5rem 0 3rem; }
      .hero__inner         { padding: 0 1.25rem; }
      .section             { padding: 3rem 0; }
      .footer-grid         { grid-template-columns: 1fr; gap: 2rem; }
    }