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

    :root {
      --navy:  #1e3270;
      --blue:  #2a5298;
      --green: #1a7a4a;
    }

    body {
      font-family: 'IBM Plex Sans', sans-serif;
      background: #0b0f1e;
      color: #fff;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* ── Navbar ── */
    nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 40px;
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      background: rgba(11, 15, 30, 0.85);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .nav-right {
      display: flex;
      gap: 10px;
      align-items: center;
      margin-left: auto;
    }

    .nav-logo {
      font-size: 18px;
      font-weight: 700;
      letter-spacing: -0.3px;
      color: #fff;
      text-decoration: none;
    }

    .nav-logo span { color: #4e8ef7; }

    .nav-cta {
      font-size: 13px;
      font-weight: 600;
      color: #fff;
      background: var(--blue);
      padding: 8px 20px;
      border-radius: 6px;
      text-decoration: none;
      transition: background 0.2s;
    }
    .nav-cta:hover { background: #3a6fd8; }

    /* ── Hero ── */
    .hero {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 120px 24px 80px;
      position: relative;
    }

    /* Animated grid background */
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(42,82,152,0.15) 1px, transparent 1px),
        linear-gradient(90deg, rgba(42,82,152,0.15) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
    }

    /* Glowing orbs */
    .orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.25;
      animation: drift 8s ease-in-out infinite alternate;
    }
    .orb-1 {
      width: 500px; height: 500px;
      background: #2a5298;
      top: -100px; left: -150px;
      animation-delay: 0s;
    }
    .orb-2 {
      width: 400px; height: 400px;
      background: #1a7a4a;
      bottom: -80px; right: -100px;
      animation-delay: 3s;
    }
    .orb-3 {
      width: 300px; height: 300px;
      background: #5b3fa8;
      top: 40%; left: 60%;
      animation-delay: 1.5s;
    }

    @keyframes drift {
      from { transform: translate(0, 0) scale(1); }
      to   { transform: translate(30px, 20px) scale(1.08); }
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 11px;
      font-family: 'IBM Plex Mono', monospace;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #4e8ef7;
      background: rgba(42,82,152,0.15);
      border: 1px solid rgba(42,82,152,0.4);
      border-radius: 20px;
      padding: 6px 16px;
      margin-bottom: 28px;
      position: relative;
    }

    .hero-badge::before {
      content: '';
      width: 6px; height: 6px;
      background: #4e8ef7;
      border-radius: 50%;
      animation: pulse 2s ease-in-out infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50%       { opacity: 0.4; transform: scale(0.8); }
    }

    h1 {
      font-size: clamp(40px, 6vw, 72px);
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -1.5px;
      margin-bottom: 12px;
      position: relative;
    }

    h1 .accent {
      background: linear-gradient(135deg, #4e8ef7, #1a7a4a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .tagline {
      font-size: clamp(16px, 2.5vw, 22px);
      font-weight: 300;
      color: rgba(255,255,255,0.6);
      margin-bottom: 48px;
      position: relative;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
      position: relative;
    }

    .btn-primary {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      background: linear-gradient(135deg, #2a5298, #1e3270);
      padding: 14px 32px;
      border-radius: 8px;
      text-decoration: none;
      border: 1px solid rgba(255,255,255,0.1);
      box-shadow: 0 0 30px rgba(42,82,152,0.4);
      transition: all 0.2s;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 40px rgba(42,82,152,0.6);
    }

    .btn-secondary {
      font-size: 14px;
      font-weight: 600;
      color: rgba(255,255,255,0.7);
      background: rgba(255,255,255,0.05);
      padding: 14px 32px;
      border-radius: 8px;
      text-decoration: none;
      border: 1px solid rgba(255,255,255,0.12);
      transition: all 0.2s;
    }
    .btn-secondary:hover {
      background: rgba(255,255,255,0.1);
      color: #fff;
    }

    /* ── Animated data bars ── */
    .data-viz {
      position: relative;
      margin: 80px auto 0;
      max-width: 700px;
      width: 100%;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 28px;
      backdrop-filter: blur(10px);
    }

    .data-viz-header {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 24px;
    }

    .dot { width: 10px; height: 10px; border-radius: 50%; }
    .dot-red   { background: #ff5f57; }
    .dot-amber { background: #febc2e; }
    .dot-green { background: #28c840; }

    .viz-label {
      font-size: 10px;
      font-family: 'IBM Plex Mono', monospace;
      color: rgba(255,255,255,0.3);
      margin-left: auto;
    }

    .bars {
      display: flex;
      align-items: flex-end;
      gap: 10px;
      height: 120px;
    }

    .bar-wrap {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      height: 100%;
      justify-content: flex-end;
    }

    .bar {
      width: 100%;
      border-radius: 4px 4px 0 0;
      animation: grow 1.2s ease-out forwards;
      transform-origin: bottom;
    }

    @keyframes grow {
      from { transform: scaleY(0); opacity: 0; }
      to   { transform: scaleY(1); opacity: 1; }
    }

    .bar-1  { height: 45%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.1s; }
    .bar-2  { height: 75%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.2s; }
    .bar-3  { height: 55%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.3s; }
    .bar-4  { height: 90%; background: linear-gradient(180deg, #1a7a4a, #0d3d22); animation-delay: 0.4s; }
    .bar-5  { height: 40%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.5s; }
    .bar-6  { height: 65%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.6s; }
    .bar-7  { height: 80%; background: linear-gradient(180deg, #1a7a4a, #0d3d22); animation-delay: 0.7s; }
    .bar-8  { height: 35%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.8s; }
    .bar-9  { height: 70%; background: linear-gradient(180deg, #4e8ef7, #2a5298); animation-delay: 0.9s; }
    .bar-10 { height: 50%; background: linear-gradient(180deg, #1a7a4a, #0d3d22); animation-delay: 1.0s; }

    .bar-lbl {
      font-size: 8px;
      font-family: 'IBM Plex Mono', monospace;
      color: rgba(255,255,255,0.3);
      white-space: nowrap;
    }

    .data-caption {
      margin-top: 16px;
      font-size: 11px;
      font-family: 'IBM Plex Mono', monospace;
      color: rgba(255,255,255,0.25);
      text-align: center;
    }

    /* ── Features ── */
    .features {
      max-width: 900px;
      margin: 100px auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }

    .feature-card {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 12px;
      padding: 28px;
      transition: border-color 0.2s, transform 0.2s;
    }
    .feature-card:hover {
      border-color: rgba(42,82,152,0.5);
      transform: translateY(-3px);
    }

    .feature-icon {
      font-size: 28px;
      margin-bottom: 14px;
    }

    .feature-title {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 8px;
      color: #fff;
    }

    .feature-desc {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      line-height: 1.6;
    }

    /* ── Contact ── */
    .contact {
      text-align: center;
      padding: 80px 24px;
      border-top: 1px solid rgba(255,255,255,0.06);
    }

    .contact h2 {
      font-size: 28px;
      font-weight: 600;
      margin-bottom: 12px;
    }

    .contact p {
      font-size: 14px;
      color: rgba(255,255,255,0.5);
      margin-bottom: 28px;
    }

    .contact a.btn-primary { display: inline-block; }

    /* ── Footer ── */
    footer {
      text-align: center;
      padding: 24px;
      font-size: 11px;
      font-family: 'IBM Plex Mono', monospace;
      color: rgba(255,255,255,0.2);
      border-top: 1px solid rgba(255,255,255,0.06);
    }

    .nav-end-session {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      text-decoration: none;
      padding: 8px 16px;
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 6px;
      transition: color 0.2s;
    }
    .nav-end-session:hover { color: #fff; }