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

    body {
      font-family: Arial, Helvetica, sans-serif;
      background: #000;
      color: #fff;
      line-height: 1.6;
    }

    header {
      width: 100%;
      padding: 25px 6%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid #111;
    }

    .logo {
      font-size: 24px;
      font-weight: bold;
      letter-spacing: -1px;
    }

    nav a {
      color: #fff;
      text-decoration: none;
      margin-left: 30px;
      font-size: 14px;
      opacity: 0.85;
    }

    nav a:hover {
      opacity: 1;
    }

    .btn {
      display: inline-block;
      padding: 14px 26px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 14px;
      transition: 0.3s;
    }

    .btn-primary {
      background: #fff;
      color: #000;
    }

    .btn-primary:hover {
      background: #ddd;
    }

    .btn-secondary {
      border: 1px solid #555;
      color: #fff;
      margin-left: 12px;
    }

    .btn-secondary:hover {
      border-color: #fff;
    }

    .hero {
      padding: 90px 6%;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .hero h1 {
      font-size: clamp(48px, 7vw, 90px);
      line-height: 0.95;
      letter-spacing: -4px;
      margin-bottom: 28px;
    }

    .hero p {
      font-size: 20px;
      color: #ccc;
      max-width: 520px;
      margin-bottom: 35px;
    }

    .code-card {
      background: #050505;
      border: 1px solid #333;
      border-radius: 18px;
      overflow: hidden;
      box-shadow: 0 0 50px rgba(255,255,255,0.05);
    }

    .code-header {
      padding: 18px;
      border-bottom: 1px solid #222;
      font-size: 14px;
      color: #ccc;
    }

    pre {
      padding: 24px;
      overflow-x: auto;
      color: #fff;
      font-size: 15px;
    }

    .features {
      padding: 70px 6%;
      text-align: center;
    }

    .features h2,
    .pricing h2,
    .steps h2 {
      font-size: 38px;
      margin-bottom: 45px;
      letter-spacing: -1px;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .card {
      background: #050505;
      border: 1px solid #292929;
      border-radius: 16px;
      padding: 30px;
      text-align: left;
    }

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

    .card p {
      color: #aaa;
      font-size: 15px;
    }

    .steps {
      padding: 70px 6%;
      text-align: center;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
    }

    .step-number {
      width: 42px;
      height: 42px;
      border: 1px solid #555;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
    }

    .pricing {
      padding: 70px 6% 100px;
      text-align: center;
    }

    .price-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .price-card {
      background: #050505;
      border: 1px solid #333;
      border-radius: 18px;
      padding: 32px;
      text-align: left;
    }

    .price-card.featured {
      border-color: #fff;
      transform: scale(1.03);
    }

    .price {
      font-size: 44px;
      font-weight: bold;
      margin: 18px 0;
    }

    .price span {
      font-size: 15px;
      color: #aaa;
    }

    ul {
      list-style: none;
      margin: 25px 0;
    }

    ul li {
      margin-bottom: 12px;
      color: #ccc;
      font-size: 15px;
    }

    ul li::before {
      content: "✓ ";
      color: #fff;
      font-weight: bold;
    }

    footer {
      border-top: 1px solid #111;
      padding: 35px 6%;
      display: flex;
      justify-content: space-between;
      color: #777;
      font-size: 14px;
    }

    @media (max-width: 900px) {
      nav {
        display: none;
      }

      .hero {
        grid-template-columns: 1fr;
        padding-top: 60px;
      }

      .grid,
      .steps-grid,
      .price-grid {
        grid-template-columns: 1fr;
      }

      .hero h1 {
        letter-spacing: -2px;
      }

      footer {
        flex-direction: column;
        gap: 12px;
      }
    }