*{
  margin: 0;
  padding: 0;
}

/* Div de carregamento */

.load-page {
  position: fixed;
  background-color: rgba(0,0,0,0.8);
  z-index: 5;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.load-page img {
  position: absolute;
  width: 120px;
  left: 45%;
  top: 35%;
  transform: translateX(-50%);
  transform: translateY(-50%);
  animation: loading 6s linear infinite;
}

@keyframes loading {
  0% {
      transform: rotate(0deg);
  }
  100%{
      transform: rotate(360deg);
  }
} 

html, body {
  height: 100vh;
  margin: 0;
}

body {
    font-family: 'Advent Pro';
    background-color: #F25602;
  }

  /* colors {
    laranja: #FD5B03;
    dark-orange: #F25602 ;
    green: #36B336;
  }  */

/* Header */

  .logo {
    width: 6rem;
    margin-left: 3rem; 
  }
  
  header {
    margin: 1.75rem ;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #menu-icon{
    width: 0;
    position: absolute;
    right: 2rem;
    top: 2rem;
  }

  #menu-mobile{
    transition: right .3s ease-in-out;
    position: fixed;
    right: -100vw;
    top: 2px;
    z-index: 1;
    height: 100%;
    width: 100%;
    background-color: black;
  }

  #menu-mobile ul {
    list-style: none;
    margin: 10vh 0;
  }

  #menu-mobile a {
    margin: 1rem 0 8rem;
    display: flex;
    justify-content: center;
    color: #FD5B03;
    font-family: 'Cabin', sans-serif;
    font-size: 3rem;
    text-transform: uppercase;
    font-weight: bold;  
  }

  .close-button {
    color: white;
    font-size: 4.5rem;
    margin-left: auto;
    margin-right: 1.4rem;
    margin-top: 1rem;
  }

  .menu-header {
    display: flex;
    margin: 0.5rem;
  }

  .menu-desktop {
    letter-spacing: 5px; 
    font-weight: 400;
    text-align: center;
    width: -webkit-fill-available;
  }

  .full-menu {
    list-style: none;
    display: inline-flex;
  }

  a {
    display: flex;
    color: #ffffff;
    font-size: 1.7rem;
    text-decoration: none;
    text-align: center;   
    margin: 0.5rem 2rem;
  }

/* Main */

  .container {
    padding: 20px;
    display: flex;
    justify-content: space-evenly;    
  }
 
  #titulo{
    text-align: right;
    margin-right: 3rem;  

    display: flex;
    align-items: center;
    max-width: 573px;    
  }

  h1 {
    font-size:6rem;
    font-weight:bold;
  }
   
  .calculadora {
    width: 28.5rem;
    height:34rem;
    
    margin: 0 0 3rem 3rem; 
    border-spacing: 0;    
    background-color:#c4c4c4;
    box-shadow: 8px 5px 5px #9b3600
  }
  
  td{
    padding:0px; 
    border-width:0px; 
    margin:0px; 
     
  }

  td input{
    width: 4.75rem;
    height: 4rem;

    background-color: #FD5B03;
    color: #ffffff;       
   
    /* border-color: #9b3600;
    border-style: solid;  para uma borda e separação*/
    
    border: 1px solid #111111;
    font-family: 'Cabin';
    font-size: 2rem;
    font-weight: 600;
    cursor: pointer;
  }
  
  td input:hover {
    background-color: rgb(253 91 3 / 90%);
    border: none;
  }

  .number {
    background-color: #111111;
    border-color: #FD5B03;
  }

  .number:hover {
    background-color: rgb(17 17 17 / 80%);
    border: none;
  }
  
  input#tela {
    width: 28.5rem; /*para o caso de separação das teclas 24.7rem*/
    height: 10rem; 

    box-sizing: border-box;
    padding: 0.8rem;
    border-color: #111111;
    text-align: right;   

    background-color: #111111;
    color:#ffffff;
    font-size: 2.5rem;
    opacity: 80%;
    cursor: auto;
  }

  .btn-extra{
    background-color: #FD5B03;
    border-color: #111111;
    border: 1px;
    border-style: solid; 
    width: 4.75rem;
    height: 4rem;
  }

  .iconify{
    font-size: 2.5rem;
    color: #ffffff;
  }

/* Footer */

  footer {
    position: relative;
    bottom: 0;
    height: 12%;
    width: 100%;
    background-color: #000;
  }
  
  .p-footer {
    position: absolute;
    top: 50%;
    left: 7%;
    transform: translateY(-50%);
    color: #fff;
    font-family: 'Cabin', sans-serif;;
    font-size: 0.9rem;
    letter-spacing: 0.1rem;
  }
  
  footer .icone {
    position: absolute;
    right: 55px;
    top: 50%;
    transform: translateY(-50%);
  }

  @media only screen and (max-width: 1024px) {
    .logo {
      margin-left: 5vw;
      width: 15vw;
    }

    .load-page img{
      display: none;
    }

    #menu-icon{
      width: 10vw;
    }

    .menu-desktop {
      display: none;
    }

    .container {
      flex-direction: column;
    }

    #titulo {
      text-align: center;
      margin: 0 auto;
      max-width: fit-content;
    }

    h1 {
      font-size: 12vw;
      margin: 0 0 2rem;
    }

    .calculadora {
      margin: 0 auto;
      width: 90vw;
      height: 107vw;
    }

    table, tr, td, input{
      display: flex;
    }

    tbody, td{
      width: -webkit-fill-available;
    }

    input#tela {
      width: -webkit-fill-available;
      height: calc(107vw * 0.29);
    }

    input[type="button"] {
      width: -webkit-fill-available;
      height: calc(107vw * 0.119);
      font-size: 5vw;
      display: inline;
    }

    #backspace{
      width: -webkit-fill-available;
      height: calc(107vw * 0.119);
    }
    
    .iconify{
      font-size: 5vw;
    }

    footer {
      min-width: 100vw;
      bottom: -2%;
    }

    .p-footer {
      font-size: 0.7rem;
    }    

    footer .icone {
      right: 4px;
    }
  }

  @media (max-width: 480px) {
    #menu-mobile a {
      margin: 1rem 0 2rem;
      display: flex;
      justify-content: center;
      font-size: 2rem;
    }
  
    .close-button {
      font-size: 2rem;
    }

    main {
      height: -webkit-fill-available;
      display: flex;
      align-items: center;
    }
  }

  @media only screen and (max-width: 280px) {
    footer {
      height: 8%;
      top: 80px;
    }

    .p-footer {
      font-size: 0.6rem;
    }
    
    footer .icone {
      left: 12rem;
    }
  }