@media screen and (max-width: 1435px) {
  .container {
    width: 375px;
  }

  header ul {
    display: none;
  }
  header .btn {
    display: none;
  }

  .promo {
    padding: 100px 0 0;
  }
  .promo .container {
    padding: 0 10px;
    flex-direction: column-reverse;
  }
  .promo .container .promo-left {
    width: 100%;
  }
  .promo .container .promo-right {
    width: 50%;
    margin-bottom: 20px;
  }

  .steps {
    padding-top: 100px;
  }
  .steps h2 {
    font-size: 48px;
  }
  .steps h3 {
    font-size: 24px;
  }
  .steps ul li {
    width: 100%;
    margin-bottom: 30px;
  }
  .steps ul li span {
    font-size: 100px;
    line-height: 100px;
  }
  .steps ul li p {
    margin-left: 10px;
    padding-top: 20px;
  }

  footer {
    padding: 40px 0;
  }
}