:root {
      --bg: #0f1115;
      --card: rgba(255, 255, 255, 0.06);
      --card-strong: rgba(255,255,255,0.08);
      --text: #f5f7fa;
      --muted: #a0a6b0;
      --line: rgba(255, 255, 255, 0.08);
      --accent: #7c5cff;
      --accent-2: #ff7a59;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }

    body {
      font-family: Inter, Arial, sans-serif;
      margin: 0;
      background:
        radial-gradient(circle at 20% 10%, rgba(124,92,255,0.18), transparent 30%),
        radial-gradient(circle at 80% 0%, rgba(255,122,89,0.12), transparent 30%),
        var(--bg);
      color: var(--text);
    }

    .container {
      max-width: 1080px;
      margin: 0 auto;
      padding: 48px 20px 80px;
    }

    .hero,
    .section {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 28px;
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      box-shadow: 0 20px 60px rgba(0,0,0,0.45);
    }

    .hero {
      padding: 64px 48px;
      margin-bottom: 28px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, transparent, rgba(255,255,255,0.06), transparent);
      opacity: 0.6;
      pointer-events: none;
    }

    h1 {
      font-size: 64px;
      line-height: 0.95;
      letter-spacing: -0.04em;
      margin: 0 0 18px;
      max-width: 760px;
    }

    h2 {
      font-size: 34px;
      margin: 0 0 16px;
      letter-spacing: -0.02em;
    }

    p {
      font-size: 18px;
      line-height: 1.6;
      margin: 0 0 16px;
      color: var(--muted);
    }

    .sub {
      font-size: 20px;
      color: #d1d5db;
      margin-bottom: 28px;
      max-width: 760px;
    }

    .eyebrow {
      display: inline-block;
      margin-bottom: 16px;
      padding: 8px 14px;
      border-radius: 999px;
      border: 1px solid var(--line);
      color: #d7dbea;
      background: rgba(255,255,255,0.04);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    .cta-row {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: white;
      padding: 15px 22px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
      transition: all 0.2s ease;
      box-shadow: 0 10px 30px rgba(124,92,255,0.4);
    }

    .btn:hover {
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 14px 40px rgba(124,92,255,0.6);
    }

    .btn.secondary {
      background: transparent;
      border: 1px solid var(--line);
      color: var(--text);
      box-shadow: none;
    }

    .section {
      padding: 34px 32px;
      margin-bottom: 24px;
      margin-top: 8px;
    }

    .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 18px;
    }

    .card {
      background: var(--card-strong);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 24px;
      transition: all 0.2s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(124,92,255,0.4);
    }

    .card h3 {
      margin: 0 0 12px;
      font-size: 20px;
    }

    ul {
      padding-left: 18px;
      margin: 0;
    }

    li {
      margin-bottom: 10px;
      font-size: 16px;
      line-height: 1.55;
      color: #e7e9ef;
    }

    .demo-box {
      margin-top: 18px;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: black;
    }

    iframe {
      width: 100%;
      height: 460px;
      border: 0;
      display: block;
    }

    .highlight {
      color: var(--accent);
      font-weight: 700;
    }

    .footer-cta {
      text-align: center;
    }

    .footer-cta p {
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }

    .small-note {
      font-size: 14px;
      color: var(--muted);
      margin-top: 8px;
    }

    @media (max-width: 768px) {
      .container { padding: 24px 14px 60px; }
      .hero, .section { padding: 24px 20px; border-radius: 22px; }
      h1 { font-size: 40px; }
      h2 { font-size: 26px; }
      .sub { font-size: 18px; }
      .grid { grid-template-columns: 1fr; }
      iframe { height: 260px; }
      .btn { width: 100%; }
    }