@media (max-width: 768px) {
  nav {
    position: relative;
    margin: 0;
    padding: 0.4rem;
  }

  #lista-navegacao {
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 2rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  p {
    font-size: 0.9rem;
  }

  #lista-navegacao a {
    font-size: 0.9rem;
    margin: 0;
    padding: 0;
  }

  #lista-navegacao li {
    padding: 0;
    margin: 0;
  }

  #introducao {
    text-align: center;
    border-left: 2px solid var(--highlight-color);
    width: 90%;
  }

  h2 {
    font-size: 1rem;
  }

  #titulo-servicos {
    margin: 0.6rem;
  }

  #container-cartoes {
    gap: 1rem;
    margin: 1rem 3rem;
  }

  #container-cartoes .artigo-servicos {
    width: 42%;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    border: 2px solid var(--highlight-color);
  }

  #container-cartoes .artigo-servicos h3 {
    font-size: 0.8rem;
  }

  #container-cartoes .artigo-servicos p {
    display: none;
  }

  #depoimentos-container {
    width: 90%;
    gap: 0.6rem;
    padding: 1.2rem;
  }

  .depoimentos-conteudo {
    padding: 0.8rem 0;
  }

  #depoimentos-container span {
    font-size: 0.9rem;
  }

  #posts-recentes .posts-recentes-conteudo {
    width: 90%;
  }

  #posts-recentes .posts-recentes-conteudo h3 {
    font-size: 1rem;
  }

  #downloads-populares div {
    width: 90%;
  }

  #downloads-populares div h3 {
    font-size: 1rem;
  }

  #contato div {
    width: 90%;
    text-align: center;
  }

  main #downloads {
    padding: 0;
    border-top: 2px solid var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
    border-left: 2px solid var(--highlight-color);
    border-right: 2px solid var(--highlight-color);
  }

  #downloads h3 {
    font-size: 1rem;
    padding-bottom: 0.4rem;
    text-align: center;
  }

  #downloads .downloads-container {
    width: 90%;
    gap: 1rem;
    padding-bottom: 1rem;
  }

  #downloads .downloads-container article {
    width: 35%;
    height: 120px;
    gap: 0.4rem;
  }

  #downloads .downloads-container article img {
    width: 40px;
  }

  #downloads .downloads-container article h3 {
    font-size: 0.8rem;
  }

  #downloads .downloads-container article a {
    font-size: 0.8rem;
  }

  #downloads .downloads-container .sistemas-operacionais-artigo {
    height: 140px;
  }

  #downloads #sistemas-operacionais-titulo {
    padding: 0.4rem 1.6rem;
  }

  main #posts {
    padding: 0;
    width: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
  }

  main #post_apresentacao {
    padding-bottom: 0;
  }

  main .post-apresentacao p {
    font-size: 1rem;
  }

  main #posts .cards-posts {
    padding: 0;
    margin: 0;
    display: flex;
    align-items: flex-start;
    text-align: left;
    flex-direction: column;
    flex-wrap: wrap;
    width: 45%;
    gap: 0;
  }

  main #posts #ultimo-post {
    margin-right: 11rem;
  }

  main #posts .cards-posts img {
    width: 130px;
  }

  main #posts h3 {
    font-size: 0.8rem;
  }

  main #posts article span {
    font-size: 0.5rem;
    align-self: self-start;
  }

  main .post-apresentacao {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 2rem 1.8rem;
  }

  main .post-apresentacao #lista-observacoes {
    display: none;
  }

  .post-apresentacao img {
    display: none;
  }

  .post-apresentacao h2 {
    text-align: left;
    margin: 0;
  }

  main .conteudo {
    margin: 0;
    padding: 1.6rem;
  }

  main .conteudo h3 {
    font-size: 1rem;
  }

  main .conteudo p {
    font-size: 1rem;
  }

  main .conteudo h4 {
    font-size: 1rem;
  }

  main .conteudo #tabela {
    font-size: 0.6rem;
  }

  #secao-contato .titulo-contato {
    margin: 1rem;
    font-size: 1rem;
    padding-top: 0.8rem;
  }

  #secao-contato #form {
    width: 90%;
    text-align: center;
  }

  #secao-contato #form input {
    width: 265px;
    font-size: 0.9rem;
  }

  #secao-contato #form textarea {
    width: 265px;
    font-size: 0.9rem;
  }

  #secao-contato #form button {
    width: 110px;
  }

  main #sobre {
    padding-top: 0;
    margin-top: 1rem;
    width: 100%;
  }

  main #sobre h2 {
    text-align: center;
    margin-bottom: 1rem;
    padding: 0.4rem 4rem;
  }

  main #sobre div {
    width: 90%;
    padding: 1rem;
    margin-top: 1rem;
  }
}