:root {
    --centro: center;
    --margem: 30px;
    --cor-letra: white;
}


header {
        background: linear-gradient(135deg,  rgb(114, 155, 190), #0e5774);
        color: var(--cor-letra);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        padding: 20px;
        left: 0; 
        width: 100%;
        height:50px;
        box-sizing: border-box;
        position: fixed;
        top: 0px;   
        display: flex; 
        justify-content: space-between;
        align-items: flex-start;  
        font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}


body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg,  rgb(99, 141, 177), #084258);
    cursor: default;
}



.welcome {
    color: black;
    margin-top: 50px;
    height: auto;
    box-sizing: border-box;
    border-radius: 15px,;
    
}


.come {
   color: var(--cor-letra);
   text-shadow: 1px 1px 2px #0b0c0b;
   font-size: 100px;
   text-align: center;
}


.esimulados {
   color:rgb(115, 187, 255);
   text-shadow: 1px 1px 2px #0b0c0b;
   text-align: center;
   font-size: 150px;
}


.conteudo {
    background-color: rgb(103, 136, 167);
    color: white;
    margin-top: -10px;
    height: auto;
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 50px;
    border-radius: 20px;
    margin: 30px;
    padding: 20px;
}


.intro, .utilidade {
    font-size: 25px;
    line-height: 1.4;
    text-align: justify;
    font-weight: lighter;
    text-shadow: 1px 1px 2px #0b0c0b;
    width: 100%;
    box-sizing: border-box;
    margin-top: -10px;
    margin-right: 0;
    padding: 10px 50px;
    cursor: default;
}


.how, .clique {
    font-size: 25px;
    line-height:1.6 ;
    text-align:justify;
    font-weight:lighter;
    flex-direction: column;
    text-shadow: 1px 1px 2px #0b0c0b;
    width: 40%;
    margin-right:  auto;
    padding: 20px;
    cursor: default;
 }

 


 .coluna {
    width: 50%;
    box-sizing: border-box;
}


 .conteudo2 {
    background-color:  rgb(103, 136, 167);
    color: rgb(244, 239, 239);
    margin-top: 50px;
    height: auto;
    box-sizing: border-box;
    display: flex;
    align-items: flex-start;
    border-radius: 20px;
    margin: 20px;
    padding: 20px;
    gap: -20px;
    margin: 30px;
 }


 


 .titulo1, .titulo2, .titulo3, .titulo4 {
    color: rgb(8, 53, 79);
    font-size: 60px;
    margin-left: 50px;
    cursor: default;
 } 



 .titulo3 {
    margin-left: 150px;
    margin-top: 150px;
 }

 .how {
    background-color:   rgb(76, 113, 148);
    border-radius: 20px;
    border-width: 15px;
    box-shadow: 2px 2px 4px #0b0c0b;;
    margin-left: 230px;
 }



 .titulo4 {
      margin-left: 525px; 
   }

 .gerar {
    background-color: rgb(103, 136, 167);
    color: rgb(244, 239, 239);
    margin-top: 50px;
    margin: 10px;
    border-radius: 20px;
    margin: 30px;
 }


 .clique {
     margin-left: 575px;
     margin-top: -50px;
 }

button {
  background: linear-gradient(135deg,  rgb(105, 163, 214), #0e5774);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 15px  rgb(103, 136, 167);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 25%;
}


button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px  rgb(103, 136, 167);   

}


footer {
    background-color:  #57899d;
     color :rgb(255, 255, 255);
     text-align: left;
     size: 15px;
     display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 30px 50px;
}






.voltar {
  background: linear-gradient(135deg,  rgb(105, 163, 214), #0e5774);
  color: white;
  border: none;
  padding: 10px 15px;
  font-size: 1rem;
  font-weight: 1000;
  border-radius: 20px;
  cursor: pointer;
  box-shadow: 0 4px 15px  rgb(103, 136, 167);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  margin-left: auto;
  margin-right: 87.5%;
  width: 100px;
}