:root {
      --bg: #0c1118;
      --bg-elevated: #141b26;
      --bg-card: #1a2332;
      --border: rgba(255,255,255,0.08);
      --text: #e8eef7;
      --muted: #93a0b5;
      --accent: #3d9cf0;
      --accent-soft: rgba(61,156,240,0.14);
      --accent-2: #5eead4;
      --gold: #e8c47c;
      --radius: 16px;
      --max: 1120px;
      --font: "DM Sans", system-ui, sans-serif;
      --serif: "Instrument Serif", Georgia, serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font);
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      font-size: 17px;
      -webkit-font-smoothing: antialiased;
    }

    /* ambient */
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61,156,240,0.22), transparent 55%),
        radial-gradient(ellipse 40% 40% at 100% 40%, rgba(94,234,212,0.06), transparent 50%),
        radial-gradient(ellipse 35% 30% at 0% 70%, rgba(232,196,124,0.05), transparent 45%);
      pointer-events: none;
      z-index: 0;
    }

    .wrap { position: relative; z-index: 1; }

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

    /* nav */
    nav {
      max-width: var(--max);
      margin: 0 auto;
      padding: 1.25rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }
    .logo {
      font-weight: 700;
      font-size: 1.25rem;
      letter-spacing: -0.03em;
      color: var(--text);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .logo span.mark {
      width: 28px; height: 28px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 700;
      color: #0c1118;
    }
    .nav-links { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
    .nav-links a { color: var(--muted); font-size: 0.9rem; font-weight: 500; text-decoration: none; }
    .nav-links a:hover { color: var(--text); }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.7rem 1.25rem;
      border-radius: 999px;
      font-weight: 600;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
      text-decoration: none !important;
    }
    .btn:active { transform: scale(0.98); }
    .btn-primary {
      background: linear-gradient(135deg, #4aa8f5, #2b7fd4);
      color: #fff !important;
      box-shadow: 0 8px 28px rgba(61,156,240,0.35);
    }
    .btn-primary:hover { box-shadow: 0 10px 36px rgba(61,156,240,0.45); }
    .btn-ghost {
      background: transparent;
      color: var(--text) !important;
      border: 1px solid var(--border);
    }
    .btn-ghost:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.16); }

    /* hero */
    header.hero {
      max-width: var(--max);
      margin: 0 auto;
      padding: 3.5rem 1.5rem 4.5rem;
      text-align: center;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.35rem 0.85rem;
      border-radius: 999px;
      background: var(--accent-soft);
      border: 1px solid rgba(61,156,240,0.25);
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      margin-bottom: 1.5rem;
    }
    h1 {
      font-family: var(--serif);
      font-weight: 400;
      font-size: clamp(2.4rem, 5.5vw, 3.75rem);
      line-height: 1.12;
      letter-spacing: -0.02em;
      max-width: 16ch;
      margin: 0 auto 1.25rem;
    }
    h1 em {
      font-style: italic;
      background: linear-gradient(120deg, var(--accent-2), var(--accent), var(--gold));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .hero-lead {
      font-size: 1.15rem;
      color: var(--muted);
      max-width: 38rem;
      margin: 0 auto 2rem;
    }
    .hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; margin-bottom: 2.75rem; }
    .hero-proof {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1.5rem 2.5rem;
      color: var(--muted);
      font-size: 0.88rem;
    }
    .hero-proof strong { color: var(--text); font-weight: 600; display: block; font-size: 0.95rem; }

    /* sections */
    section { max-width: var(--max); margin: 0 auto; padding: 3.5rem 1.5rem; }
    .section-label {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 0.75rem;
    }
    h2 {
      font-family: var(--serif);
      font-weight: 400;
      font-size: clamp(1.85rem, 3.5vw, 2.45rem);
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
      max-width: 22ch;
    }
    .section-intro { color: var(--muted); max-width: 36rem; margin-bottom: 2.25rem; }

    /* name grid */
    .name-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1rem;
    }
    .name-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.35rem 1.4rem;
      transition: border-color 0.2s, transform 0.2s;
    }
    .name-card:hover {
      border-color: rgba(61,156,240,0.35);
      transform: translateY(-2px);
    }
    .name-card .abbr {
      font-weight: 700;
      font-size: 0.8rem;
      letter-spacing: 0.08em;
      color: var(--accent-2);
      margin-bottom: 0.35rem;
    }
    .name-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; font-weight: 600; }
    .name-card p { font-size: 0.9rem; color: var(--muted); }

    /* problem / solution */
    .split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
    }
    @media (max-width: 768px) { .split { grid-template-columns: 1fr; } }
    .panel {
      border-radius: var(--radius);
      padding: 1.75rem;
      border: 1px solid var(--border);
    }
    .panel-problem {
      background: linear-gradient(160deg, #1c1520, var(--bg-card));
    }
    .panel-solution {
      background: linear-gradient(160deg, #0f1f2a, var(--bg-card));
      border-color: rgba(61,156,240,0.2);
    }
    .panel h3 {
      font-size: 1.1rem;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .panel ul { list-style: none; }
    .panel li {
      padding: 0.55rem 0;
      border-bottom: 1px solid var(--border);
      color: var(--muted);
      font-size: 0.95rem;
      padding-left: 1.4rem;
      position: relative;
    }
    .panel li:last-child { border-bottom: none; }
    .panel-problem li::before {
      content: "–";
      position: absolute; left: 0; color: #c47b7b; font-weight: 700;
    }
    .panel-solution li::before {
      content: "→";
      position: absolute; left: 0; color: var(--accent-2); font-weight: 700;
    }

    /* features */
    .feat-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 1rem;
    }
    .feat {
      background: var(--bg-elevated);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.5rem;
    }
    .feat-icon {
      width: 40px; height: 40px;
      border-radius: 10px;
      background: var(--accent-soft);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
      font-size: 1.15rem;
    }
    .feat h3 { font-size: 1.05rem; margin-bottom: 0.45rem; font-weight: 600; }
    .feat p { font-size: 0.92rem; color: var(--muted); }

    /* pilot */
    .pilot-box {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: calc(var(--radius) + 4px);
      padding: 2rem;
      position: relative;
      overflow: hidden;
    }
    .pilot-box::after {
      content: "";
      position: absolute;
      top: 0; right: 0;
      width: 280px; height: 280px;
      background: radial-gradient(circle, rgba(94,234,212,0.12), transparent 70%);
      pointer-events: none;
    }
    .steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 1rem;
      margin-top: 1.75rem;
    }
    .step {
      background: rgba(0,0,0,0.25);
      border-radius: 12px;
      padding: 1.1rem;
      border: 1px solid var(--border);
    }
    .step .n {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--gold);
      letter-spacing: 0.06em;
      margin-bottom: 0.35rem;
    }
    .step h4 { font-size: 0.98rem; margin-bottom: 0.3rem; }
    .step p { font-size: 0.85rem; color: var(--muted); }

    /* quote / value */
    .value-band {
      margin: 1rem auto 0;
      max-width: var(--max);
      padding: 0 1.5rem 3.5rem;
    }
    .quote {
      text-align: center;
      padding: 2.5rem 1.5rem;
      border-radius: calc(var(--radius) + 4px);
      background: linear-gradient(135deg, rgba(61,156,240,0.12), rgba(94,234,212,0.06));
      border: 1px solid rgba(61,156,240,0.2);
    }
    .quote p {
      font-family: var(--serif);
      font-size: clamp(1.35rem, 2.8vw, 1.85rem);
      line-height: 1.35;
      max-width: 28em;
      margin: 0 auto 1rem;
    }
    .quote cite { font-style: normal; color: var(--muted); font-size: 0.9rem; }

    /* cta */
    .cta-final {
      text-align: center;
      padding: 4rem 1.5rem 5rem;
      max-width: var(--max);
      margin: 0 auto;
    }
    .cta-final h2 { max-width: none; margin-left: auto; margin-right: auto; }
    .cta-final .section-intro { margin-left: auto; margin-right: auto; }

    footer {
      border-top: 1px solid var(--border);
      padding: 2rem 1.5rem;
      text-align: center;
      color: var(--muted);
      font-size: 0.85rem;
    }
    footer .brand { color: var(--text); font-weight: 600; }

    /* trust row */
    .trust {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      justify-content: center;
      margin-top: 1.5rem;
    }
    .chip {
      font-size: 0.8rem;
      padding: 0.4rem 0.85rem;
      border-radius: 999px;
      border: 1px solid var(--border);
      color: var(--muted);
      background: rgba(0,0,0,0.2);
    }