  <style>
    /* ─── Reset & Base ─────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --bg:        #030c14;
      --surface:   #071828;
      --border:    #0d3452;
      --accent:    #00c8ff;
      --accent2:   #00ff9d;
      --warn:      #ff6b35;
      --text:      #b8d4e8;
      --text-dim:  #4a7090;
      --mono:      "Courier New", Courier, monospace;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--mono);
      font-size: 14px;
      line-height: 1.6;
      overflow-x: hidden;
    }

    a { color: var(--accent); text-decoration: none; }
    a:hover { color: var(--accent2); }

    /* ─── Scanline overlay ──────────────────────────────────────── */
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 3px,
        rgba(0,0,0,0.10) 3px,
        rgba(0,0,0,0.10) 4px
      );
      pointer-events: none;
      z-index: 9999;
    }

    /* ─── Navigation ────────────────────────────────────────────── */
    nav {
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(3, 12, 20, 0.92);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(6px);
      z-index: 100;
      padding: 0 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 52px;
    }

    .nav-brand {
      font-size: 13px;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent);
      white-space: nowrap;
    }
    .nav-brand span { color: var(--text-dim); }

    .nav-links { display: flex; gap: 2rem; list-style: none; }
    .nav-links a {
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--text-dim);
      transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--accent); }

    /* ─── Hero ──────────────────────────────────────────────────── */
    #hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    #flight-canvas {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 0 1.5rem;
      max-width: 800px;
    }

    .hero-tag {
      font-size: 10px;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--accent2);
      margin-bottom: 1.2rem;
    }

    .hero-title {
      font-size: clamp(1.8rem, 5vw, 3.2rem);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #e8f4ff;
      line-height: 1.15;
      margin-bottom: 1rem;
    }

    .hero-title em {
      font-style: normal;
      color: var(--accent);
    }

    .hero-sub {
      font-size: 13px;
      color: var(--text-dim);
      max-width: 520px;
      margin: 0 auto 2.5rem;
      letter-spacing: 0.04em;
    }

    .hero-cta {
      display: inline-block;
      border: 1px solid var(--accent);
      color: var(--accent);
      padding: 0.7rem 2rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      font-size: 12px;
      transition: background 0.2s, color 0.2s;
    }
    .hero-cta:hover {
      background: var(--accent);
      color: var(--bg);
    }

    /* HUD readouts */
    .hud-strip {
      position: absolute;
      bottom: 2.5rem;
      left: 0;
      right: 0;
      display: flex;
      justify-content: center;
      gap: 3rem;
      z-index: 2;
      flex-wrap: wrap;
      padding: 0 1rem;
    }

    .hud-item {
      text-align: center;
      min-width: 100px;
    }

    .hud-label {
      font-size: 9px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--text-dim);
      margin-bottom: 2px;
    }

    .hud-value {
      font-size: 16px;
      letter-spacing: 0.1em;
      color: var(--accent2);
    }

    /* top-left / top-right corner brackets */
    .bracket {
      position: absolute;
      width: 48px;
      height: 48px;
      z-index: 2;
      opacity: 0.5;
    }
    .bracket-tl { top: 80px; left: 20px; border-top: 1px solid var(--accent); border-left: 1px solid var(--accent); }
    .bracket-tr { top: 80px; right: 20px; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); }
    .bracket-bl { bottom: 20px; left: 20px; border-bottom: 1px solid var(--accent); border-left: 1px solid var(--accent); }
    .bracket-br { bottom: 20px; right: 20px; border-bottom: 1px solid var(--accent); border-right: 1px solid var(--accent); }

    /* ─── Section Scaffold ──────────────────────────────────────── */
    section { padding: 6rem 2rem; max-width: 1120px; margin: 0 auto; }

    .section-header {
      margin-bottom: 3.5rem;
      display: flex;
      align-items: baseline;
      gap: 1.5rem;
    }

    .section-tag {
      font-size: 9px;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--accent2);
      border: 1px solid var(--accent2);
      padding: 2px 8px;
      white-space: nowrap;
    }

    .section-title {
      font-size: clamp(1.1rem, 2.5vw, 1.5rem);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #e8f4ff;
    }

    .divider {
      width: 100%;
      height: 1px;
      background: linear-gradient(to right, var(--accent) 0%, transparent 70%);
      margin-bottom: 3rem;
      opacity: 0.35;
    }

    /* ─── Products ──────────────────────────────────────────────── */
    #products { background: transparent; }

    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 1.5px;
    }

    .product-card {
      background: var(--surface);
      border: 1px solid var(--border);
      padding: 2rem 1.75rem;
      position: relative;
      transition: border-color 0.25s, transform 0.2s;
      overflow: hidden;
    }

    .product-card::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(to right, var(--accent), transparent);
      opacity: 0;
      transition: opacity 0.25s;
    }

    .product-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }
    .product-card:hover::before { opacity: 1; }

    .product-id {
      font-size: 9px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--text-dim);
      margin-bottom: 1.2rem;
    }

    .product-icon {
      font-size: 2rem;
      margin-bottom: 1rem;
      display: block;
      line-height: 1;
    }

    .product-name {
      font-size: 15px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: #e8f4ff;
      margin-bottom: 0.75rem;
    }

    .product-desc {
      font-size: 12px;
      color: var(--text-dim);
      line-height: 1.7;
      margin-bottom: 1.5rem;
    }

    .product-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
    }

    .tag {
      font-size: 9px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      border: 1px solid var(--border);
      color: var(--text-dim);
      padding: 2px 8px;
    }

    .tag-accent { border-color: var(--accent2); color: var(--accent2); }

    /* ─── Capabilities Bar ──────────────────────────────────────── */
    #capabilities {
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      background: var(--surface);
    }

    #capabilities section {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem 4rem;
      align-items: flex-start;
    }

    .capability {
      flex: 1 1 220px;
    }

    .cap-label {
      font-size: 9px;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--text-dim);
      margin-bottom: 6px;
    }

    .cap-bar-wrap {
      height: 4px;
      background: var(--border);
      margin-bottom: 6px;
      position: relative;
    }

    .cap-bar {
      height: 100%;
      background: linear-gradient(to right, var(--accent2), var(--accent));
      transition: width 1.5s ease;
    }

    .cap-value {
      font-size: 11px;
      color: var(--accent2);
      letter-spacing: 0.1em;
    }

    /* ─── Footer ────────────────────────────────────────────────── */
    footer {
      border-top: 1px solid var(--border);
      background: var(--bg);
    }

    .footer-inner {
      max-width: 1120px;
      margin: 0 auto;
      padding: 3rem 2rem 2rem;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 2rem;
      align-items: end;
    }

    .footer-brand {
      font-size: 12px;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.6rem;
    }

    .footer-copy {
      font-size: 11px;
      color: var(--text-dim);
      letter-spacing: 0.04em;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 0.5rem;
    }

    .footer-links a {
      font-size: 11px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-dim);
      transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--accent); }

    .footer-bottom {
      max-width: 1120px;
      margin: 0 auto;
      padding: 1rem 2rem;
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem;
    }

    .footer-status {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 10px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--text-dim);
    }

    .status-dot {
      width: 6px; height: 6px;
      border-radius: 50%;
      background: var(--accent2);
      box-shadow: 0 0 6px var(--accent2);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50%       { opacity: 0.3; }
    }

    /* ─── Responsive tweaks ─────────────────────────────────────── */
    @media (max-width: 640px) {
      .nav-links { display: none; }
      .hud-strip { gap: 1.5rem; }
      .footer-inner { grid-template-columns: 1fr; }
      .footer-links { align-items: flex-start; }
    }
  </style>