:root {
    --branco: #FFF;
    --preto: #000;
    --cinza-escuro: #5e5d53;
    --cinza-claro:#9c9992;

    --montserrat: 'Montserrat', sans-serif;
}

html {
  scroll-behavior: smooth;
}
body {
    font-family: 'Open Sans', sans-serif;
}


.container {
   padding-right: 6%;
    padding-left: 6%;

}

.botao {
    text-align: center;

    display: block;

    width: 100%;
    max-width: 220px;

    box-sizing: border-box;

    padding: 1rem 2rem;

    border: 1px solid var(--branco);
    border-radius: 5px;
}



.cabecalho{
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #000;
    padding: 0;
    width: 100%;
    position: fixed;
    top: 0;

  }

  .cabecalho__logo {
    margin-bottom: 1rem;
    margin-top: 1rem;
    margin-left: 4rem;
    height:4rem;
  }

   .menu ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 40px;
  text-align: left;
  }

  .menu a {
    font-size: 1.2em;
    color: white;
    text-decoration: none;
    padding: 2rem;
    text-align: left;
  }

  .menu a:hover {
    background-color: #21131a;
    border-radius: 4px;
    color: #d2cdcd;

  }

  /*seção principal inicio*/

.principal{

    display: flex;
    flex-direction: column;
    align-items: center;

    color: var(--branco);
    text-align: center;

    background-color: var(--preto);

    padding-top: 12.5rem;
    padding-bottom: 12.5rem;
}

.principal__titulo {
    font-family: var(--montserrat);
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    padding-top: 6rem;
    margin-bottom: 1.5rem;
}

.principal__texto {
    font-size: 1.25rem;
    line-height: normal;

    margin: 0 auto 2.5rem;
}

.principal__botao {
    width: 100%;
}

/**/



/**/


/**/
/*seção Responsivo*/

@media screen and (min-width: 368px) {
    .principal {
        background-image: url(../img/campo.jpg);
        background-repeat: no-repeat;
        background-size: cover;
        padding-top: 3.25rem;
    }
}

@media screen and (min-width: 768px) {
    .principal__texto {
        max-width: 600px;
    }
}

@media screen and (min-width: 1024px) {
    .container {
        padding-left: calc((100% - 940px)/2);
        padding-right: calc((100% - 940px)/2);
    }

    .principal__titulo {
        font-size: 3.25rem;
        margin-bottom: 2rem;
    }
    .principal {
        background-image: url(img/campo.jpg);
        background-size: cover;

        padding-top: 3.25rem;
    }

}
  /* Responsivo para cabeçalho */
  @media (max-width: 568px) {
    .cabecalho {
      flex-direction: column;
      align-items: flex-start;

    }
  .cabecalho__logo{
    display: none;
  }
    .menu ul {
      flex-direction: column;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    .menu li {
      width: 100%;

    }

    .menu a {
      display: block;
      width: 100%;
      margin: 0;
      padding: 0;
    }

  .principal {
        background-image: url(img/campo.jpg);
        background-size: cover;

        padding-top: 3.25rem;
    }
  }


  /**/
  .sustent3 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}
 .sustent4 {
   position: absolute;
    display: flex;
  justify-content: center;
 margin: 60px;

  border: 3px solid #73AD21;
  padding: 20px;
}

.sustent3__titulo {
    color: var(--cinza-escuro);
    font-weight: 700;
    font-size: 1.5rem;
    font-family: var(--montserrat);
    text-transform: uppercase;
    text-align: center;

    margin-bottom: 1.25rem;
}

.sustent3__texto {
    line-height: normal;

    margin-bottom: 1rem;
}

.sustent4__texto {
    text-align: right;
width: 50%;
    margin-bottom: 1rem;

}

.sustent3__imagem {
    display: none;
    width: 400px;
    height: 300px;

}
.sustent4__imagem {
    display: block;
  margin-left: auto;
  margin-right: auto;
  width: 40%;
}

@media screen and (min-width: 1024px) {
    .sustent3 {
        display: flex;
    }

    .sustent3__conteudo {
        margin-right: 3rem;
    }

    .sustent3__titulo {
        text-align: left;
    }

    .sustent3__texto--divisao {
        border-bottom: 1px solid var(--cinza-medio);

        padding-bottom: 1.5rem;
    }

    .sustent3__imagem {
        display: block;
    }
}