*{
      box-sizing: border-box;
  }

  html {
      scroll-behavior: smooth;
  }

  body {
      margin: 0;
      font-family: Arial, sans-serif;
      background: #0f1116;
      color: #e6e8ee;
      line-height: 1.55;
  }

  a {
      color: inherit;
      text-decoration: none;
  }

  .wrap {
      max-width: 1060px;
      margin: 0 auto;
      padding: 0 20px;
  }

  /* Шапка */
  header {
      padding: 18px 0;
  }

  header .wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
  }

  .logo {
      font-size: 20px;
      font-weight: bold;
  }

  .logo span {
      color: #6f8dff;
  }

  nav a {
      margin-left: 22px;
      color: #a9afbf;
      font-size: 14px;
  }

  nav a:hover {
      color: #fff;
  }

  /* Кнопки */
  .btn {
      display: inline-block;
      padding: 14px 28px;
      border-radius: 8px;
      background: #4c7bf4;
      color: #fff;
      font-size: 16px;
      font-weight: bold;
  }

  .btn:hover {
      background: #3f69d8;
  }

  .btn.small {
      padding: 9px 18px;
      font-size: 14px;
  }

  /* Первый экран */
  .hero {
      text-align: center;
      padding: 70px 0 80px;
      background: radial-gradient(ellipse at top, #1d2540 0%, #0f1116 65%);
  }

  .badge {
      display: inline-block;
      padding: 6px 14px;
      border-radius: 20px;
      background: #16301f;
      color: #6fe39a;
      font-size: 13px;
      margin-bottom: 22px;
  }

  .hero h1 {
      font-size: 44px;
      line-height: 1.15;
      margin: 0 auto 18px;
      max-width: 760px;
  }

  .hero h1 span {
      color: #6f8dff;
  }

  .hero p {
      font-size: 18px;
      color: #a9afbf;
      max-width: 600px;
      margin: 0 auto 30px;
  }

  .hero small {
      display: block;
      margin-top: 14px;
      color: #6f7686;
      font-size: 13px;
  }

  /* Секции */
  section {
      padding: 60px 0;
  }

  section h2 {
      font-size: 30px;
      text-align: center;
      margin: 0 0 12px;
  }

  .lead {
      text-align: center;
      color: #a9afbf;
      max-width: 560px;
      margin: 0 auto 38px;
  }

  .cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 18px;
  }

  .card {
      background: #181b23;
      border: 1px solid #262a36;
      border-radius: 12px;
      padding: 24px;
  }

  .card .icon {
      font-size: 32px;
      margin-bottom: 10px;
  }

  .card h3 {
      margin: 0 0 8px;
      font-size: 20px;
  }

  .card p {
      margin: 0;
      color: #a9afbf;
      font-size: 15px;
  }

  .card ul {
      margin: 12px 0 0;
      padding-left: 18px;
      color: #a9afbf;
      font-size: 14px;
  }

  .steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 18px;
      counter-reset: step;
  }

  .step {
      padding: 22px;
      border-radius: 12px;
      background: #14171e;
      counter-increment: step;
  }

  .step::before {
      content: counter(step);
      display: inline-block;
      width: 34px;
      height: 34px;
      line-height: 34px;
      text-align: center;
      border-radius: 50%;
      background: #4c7bf4;
      color: #fff;
      font-weight: bold;
      margin-bottom: 12px;
  }

  .step h3 {
      margin: 0 0 6px;
      font-size: 18px;
  }

  .step p {
      margin: 0;
      color: #a9afbf;
      font-size: 15px;
  }

  .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 16px;
  }

  .feature {
      padding: 18px;
      border-left: 3px solid #4c7bf4;
      background: #14171e;
      border-radius: 0 8px 8px 0;
  }

  .feature b {
      display: block;
      margin-bottom: 4px;
  }

  .feature span {
      color: #a9afbf;
      font-size: 14px;
  }

  /* Бесплатно */
  .free {
      text-align: center;
      background: linear-gradient(135deg, #1a2a4d, #1f1a45);
      border-radius: 16px;
      padding: 44px 24px;
  }

  .free h2 {
      margin-bottom: 10px;
  }

  .free p {
      color: #c3c8d8;
      max-width: 520px;
      margin: 0 auto 24px;
  }

  /* Вопросы */
  .faq {
      max-width: 740px;
      margin: 0 auto;
  }

  details {
      background: #181b23;
      border: 1px solid #262a36;
      border-radius: 10px;
      padding: 16px 18px;
      margin-bottom: 10px;
  }

  summary {
      cursor: pointer;
      font-weight: bold;
  }

  details p {
      margin: 10px 0 0;
      color: #a9afbf;
      font-size: 15px;
  }

  footer {
      padding: 30px 0 40px;
      text-align: center;
      color: #6f7686;
      font-size: 13px;
      border-top: 1px solid #1d212b;
  }

  @media (max-width: 600px) {
      .hero h1 {
          font-size: 30px;
      }

      nav {
          display: none;
      }
  }