@media (min-width: 991.98px) {

  .container {
    margin: 0 auto;
    padding: 50px 0;
    max-width: 1600px;
  }

  /* header section */

  .header__wrap {
    grid-template-areas: "logo nav" "header-description header-description";
    grid-template-columns: 45% 65%;
    align-items: center;
  }

  .header__menu {
    display: none;
  }

  .logo {
    margin-left: 25px;
    grid-area: logo;
    grid-template-columns: 80px 1fr;
  }

  .logo__circle {
    width: 75px;
    height: 75px;
    font-size: 30px;
  }

  .logo__text {
    font-size: 30px;
  }

  .nav {
    grid-area: nav;
    display: block;
    width: auto;
    border: none;
    border-radius: 0;
    position: static;
    background-color: transparent;
  }

  .nav__link {
    text-decoration: none;
    border: none;
    padding: 10px;
    margin-left: 10px;
    font-size: 20px;
  }

  .nav__link:hover {
    border-radius: 16px;
  }

  .header__description {
    margin-left: 75px;
  }

  .header__headline {
    font-size: 45px;
  }

  .header__text {
    width: 50%;
  }

  .header__btn {
    height: 75px;
  }

  /* services section*/

  .services {
    grid-template-columns: repeat(4, 1fr);
  }

  .services__headline {
    grid-column: 1 / span 4;
    font-size: 24px;
  }

  .services__description {
    grid-column: 1 / span 4;
    font-size: 22px;
    width: 900px;
    padding-bottom: 50px;
  }

  /* demo section */

  .demo {
    height: 100vh;
  }

  .demo__headline {
    font-size: 50px;
    width: 800px;
    text-align: left;
    margin-left: 25px;
  }

  /* best-feature section */

  .best-feature__headline {
    font-size: 24px;
  }

  .best-feature__text {
    font-size: 22px;
    width: 900px;
    padding-bottom: 50px;
  }

  .best-feature-tail__text {
    font-size: 14px;
  }

  /* registration section */

  .registration__headline {
    font-size: 20px;
  }

  .form {
    border-radius: 10px;
    padding-left: 25px;
    padding-right: 25px;
  }

  /* footer section */

  .nav__list {
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 50px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .footer-wrap {
    padding-left: 16px;
    padding-right: 16px;
    display: grid;
    grid-template-columns: 50% 25% 25%;
    align-items: center;
  }

  .logo-footer {
    grid-column: 3;
    margin-bottom: 0;
  }

  .footer__copyright {
    grid-area: 1 / 1;
  }

  .footer__wrap-link {
    grid-column: 2;
  }
}