@media (max-width: 64em) {
  main {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto auto;
  }

  main nav,
  main .main-hero-img {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .main-hero-txt {
    grid-column: 1 / -1;
  }

  .buttons-arrow {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .container-lower {
    flex-direction: column;
  }
}

@media (max-width: 37.5em) {
  main {
    display: flex;
    flex-direction: column;
  }

  .container-nav {
    margin: 2rem;
    justify-content: space-between;
  }

  .container-nav ul {
    gap: 1rem;
  }

  .main-hero-txt__content {
    padding: 3rem;
  }

  .main-hero-txt__content h1 {
    font-size: 2.6rem;
    width: auto;
  }

  .main-hero-txt__content p {
    width: auto;
    font-size: 1.4rem;
  }

  .buttons-arrow {
    align-self: flex-end;
    margin-right: 2rem;
  }

  .container-lower {
    flex-direction: column;
  }

  .container-lower img {
    width: 100%;
  }

  .container-lower div {
    padding: 3rem;
  }

  .container-lower div p {
    width: auto;
  }
}