body { overflow-x: hidden; }

img#logo{
  width: 150px;
}

#header{
  background-color: #efefef;
  display: flex;
  align-items: center;
  height: 190px;
}

#menu{
  display: flex;
  list-style: none;
  gap: 1rem;
  margin-top: 15px;
  font-family: 'Open Sans', sans-serif;
}

ul.separator li .menu-li{
  padding: 0;
  border-bottom: 10px solid #0d7216;
  font-family: 'Open Sans', sans-serif;
}

// <uniquifier>: Use a unique and descriptive class name
// <weight>: Use a value from 300 to 800

.open-sans-<uniquifier> {
  font-family: "Open Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  font-variation-settings:
  "wdth" 100;
}

.popup{
 position: fixed;
 top: 0; bottom: 0;
 left: 0; right: 0;
 margin: auto;
 width: 400px;
 height: auto;
 padding: 20px;
 border: solid 1px #331;
 background: #ffffd0;
 display: none;
}

#cor_fundo{
  background-color: #1200ff;
}

a{
  color: #1200ff;
  font-family: 'Open Sans', sans-serif;
  font-size: 12px;
}

a:hover {
  color: #1200ff;
  font-family: 'Open Sans', sans-serif;
}

p{
  font-family: 'Open Sans', sans-serif;
  font-size: 12px;
}

h4 {
  font-family: 'Open Sans', sans-serif;
  color: #1200ff;
  font-weight: 800;
}

h5{
  font-family: 'Open Sans', sans-serif;
  color: #00e5ff;
  font-weight: 800;
}

h6 {
  font-family: 'Open Sans', sans-serif;
  color: #1200ff;
  font-size: 600;
}

.massimax{
  background: url(img/fundo_massimax.jpg);
  background-repeat: no-repeat;
}

.img_massimax{
  margin-top: 40px;
  margin-bottom: 40px;
}

.historia{
  margin-top: 200px;
}

.fundo_preto{
  background-color: #303131;
  height: 800px;
  overflow-x: hidden;
}

.utilizacao{
  margin-top: 50px;
}

.faixa_azul{
  height: 30px;
  background-color: #00e5ff;
}

.aplicacoes{
  margin-top: 120px;
}

.img_aplicacoes{
  margin-top: 40px;
  margin-bottom: 40px;
}

.fundo_azul{
  background-color: #1200ff;
  height: 450px;
}

.vantagens{
  font-family: 'Open Sans', sans-serif;
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
  margin-top: 10px;
  margin-bottom: 15px;
}

.texto_vantagens{
  font-family: 'Open Sans', sans-serif;
  color: #ffffff;
  margin-top: 90px;
}

.texto_vantagens-2{
  font-family: 'Open Sans', sans-serif;
  color: #ffffff;
  margin-top: 150px;
}

.img_vantagens{
  margin-top: 50px;
}

.img_utilizacao{
  width: 280px;
}

.fundo_cinza{
  background-color: #efefef;
  height: 600px;
}

.central{
  margin-top: 50px;
}

.text_contato{
  margin-top: 40px;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  width: 300px;
}

.contato{
  margin-top: 50px;
}

.text_contato_form{
  font-family: 'Open Sans', sans-serif;
  color: #303131;
  font-size: 15px;
}

input.enviar{
  background-color: #1200ff;
  color: #ffffff;
  border: 1px solid;
}

input.nome{
  border: 2px solid #1200ff;
  font-family: 'Open Sans', sans-serif;
}

input.email{
  border: 2px solid #1200ff;
  font-family: 'Open Sans', sans-serif;
}

input.telefone{
  border: 2px solid #1200ff;
  font-family: 'Open Sans', sans-serif;
}

input.assunto{
  border: 2px solid #1200ff;
  font-family: 'Open Sans', sans-serif;
}

textarea.mensagem{
  border: 2px solid #1200ff;
  font-family: 'Open Sans', sans-serif;
}


/* Menu */

body,
ul {
  margin: 0px;
  padding: 0px;
}

a {
  color: black;
  text-decoration: none;
  font-family: sans-serif;
}

#header {
  box-sizing: border-box;
  height: 150px;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

#menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

#menu a {
  display: block;
  padding: 0.5rem;
}

#btn-mobile {
  display: none;
}

@media (max-width: 1000px) {
  #menu {
    display: block;
    position: absolute;
    width: 100%;
    top: 70px;
    right: 0px;
    background: #1200ff;
    transition: 0.6s;
    z-index: 1000;
    height: 0px;
    visibility: hidden;
    overflow-y: hidden;
  }
  #nav.active #menu {
    height: calc(100vh - 70px);
    visibility: visible;
    overflow-y: auto;
  }
  #menu a {
    padding: 1rem 0;
    margin: 0 1rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
    color: #ffffff;
    font-size: 14px;
  }
  #btn-mobile {
    display: flex;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    border: none;
    background: none;
    cursor: pointer;
    gap: 0.5rem;
  }
  #hamburger {
    border-top: 2px solid;
    width: 20px;
  }
  #hamburger::after,
  #hamburger::before {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    margin-top: 5px;
    transition: 0.3s;
    position: relative;
  }
  #nav.active #hamburger {
    border-top-color: transparent;
  }
  #nav.active #hamburger::before {
    transform: rotate(135deg);
  }
  #nav.active #hamburger::after {
    transform: rotate(-135deg);
    top: -7px;
  }
}

/* Menu */

/* Media */

@media (max-width: 1000px){

  .foto_01{
    width: 400px;
  }

  .foto_02{
    width: 550px;
    margin-top: 70px;
  }
  .massimax{
    background: url(img/fundo_massimax_1000px.jpg);
    background-repeat: no-repeat;
    height: 639px;
  }

}

@media only screen and (max-device-width: 800px){
  .foto_01{
    width: 310px;
  }

  .massimax{
    background: url(img/fundo_massimax_800px.jpg);
    background-repeat: no-repeat;
    height: 479px;
  }

  .foto_02{
    width: 350px;
  }

  h6{
    width: 350px;
    font-size: 12px;
  }

  .text_nanocal{
    font-size: 12px;
  }

  .historia{
    margin-top: 130px;
  }

  .img_utilizacao{
    width: 180px;

  }

  .fundo_preto{
    height: 600px;
  }
}

@media only screen and (max-device-width: 768px){
  html, body{
   overflow-x: hidden;
 }

 .central{
  width: 400px;
}
}

@media only screen and (max-device-width: 480px){
  .text_nanocal{
    width:470px;
  }
  .foto_01{
    display: none;
  }

  .massimax{
    background: url(img/fundo_massimax_480px.jpg);
    background-repeat: no-repeat;
    width: 480px;
    height: 692px;
  }

  .foto_02{
    width: 450px;
    margin-top: 20px;
  }
  .historia{
    margin-top: 420px;
    width: 400px;
    margin-left: -250px;
  }
  .img_utilizacao{
    width: 110px;
  }
  .fundo_preto{
    height: 400px;
  }
  .img_aplicacoes{
    width: 200px;
  }

  .aplicacoes{
    margin-top: 50px;
  }
  .fundo_azul{
    height: 300px;
  }
  .img_vantagens{
    width: 200px;
  }
  .texto_vantagens{
    width: 250px;
    margin-top: 10px;
    height: 0px;
  }
  .texto_vantagens-2{
    width: 250px;
  }

  .fundo_cinza{
    height: 800px;
  }

  .logo_rodape{
    display: none;
  }
  .contato{
    margin-top: 10px;
  }
}

@media only screen and (max-device-width: 473px){
  .text_nanocal{
    width:470px;
  }
  .foto_01{
    display: none;
  }

  .massimax{
    background: url(img/fundo_massimax_480px.jpg);
    background-repeat: no-repeat;
    width: 480px;
    height: 692px;
  }

  .foto_02{
    width: 450px;
    margin-top: 20px;
  }
  .historia{
    margin-top: 420px;
    width: 400px;
    margin-left: -250px;
  }
  .img_utilizacao{
    width: 110px;
  }
  .fundo_preto{
    height: 400px;
  }
  .img_aplicacoes{
    width: 200px;
  }

  .aplicacoes{
    margin-top: 50px;
  }
  .fundo_azul{
    height: 300px;
  }
  .img_vantagens{
    width: 200px;
  }
  .texto_vantagens{
    width: 250px;
    margin-top: 10px;
    height: 0px;
  }
  .texto_vantagens-2{
    width: 250px;
  }

  .fundo_cinza{
    height: 800px;
  }

  .logo_rodape{
    display: none;
  }
  .contato{
    margin-top: 10px;
  }
}

@media only screen and (max-device-width: 425px){
  .foto_02{
    width: 400px;
    margin-top: 20px;
  }
  .historia{
    width: 340px;
  }
  .img_utilizacao{
    width: 95px;
  }
  .fundo_preto{
    height: 450px;
  }
  .img_vantagens{
    width: 180px;
  }
  .texto_vantagens{
    width: 220px;
    margin-top: 10px;
    height: 0px;
  }
  .texto_vantagens-2{
    width: 220px;
  }
}

@media only screen and (max-device-width: 390px){
  .foto_02{
    width: 370px;
    margin-top: 10px;
  }
  .img_aplicacoes{
  width: 170px;
  }
  .texto_vantagens{
    width: 200px;
    margin-top: 10px;
    height: 0px;
  }
  .texto_vantagens-2{
    width: 200px;
    margin-top: 190px;
  }

  .massimax{
    background: url(img/fundo_massimax_390px.jpg);
    background-repeat: no-repeat;
  }
  
}

@media only screen and (max-device-width: 375px){
  .foto_02{
    width: 355px;
    margin-top: 10px;
  }
  .historia{
    width: 320px;
  }
  .img_utilizacao{
    width: 90px;
  }
  .img_aplicacoes{
  width: 150px;
  }
  .img_vantagens{
  width: 150px;
  }
}

/* Media */