:root{
   --red:#ff2e63;
   --black:#252a34;
   --blue:#4169E1;
   --white:#eaeaea;
   --title:23px;
   --text:45px;
}

*{
    margin:0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background:#000000;
    overflow-x: hidden;
    font-family: 'Arial Text', sans-serif;
}
.go-top{
    position: fixed;
    bottom: 100px;
    right: -100%;
    width: 50px;
    height: 50px;
    background: #fff;
    border:2px solid var(--blue);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1000;
    transition: 0.5s;
}
.go-top:hover{
    background: var(--blue);
    color:#fff;
    border: 2px solid var(--white);
}
.go-top:hover span{color:var(--while);}

.go-top > span{
   font-size: 30px;
   color: var(--dark);
}


/** Navegation Menu **/
#header{
    position: relative;
    width: 100%;
}
.menu{
    position: fixed;
    top:0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #fff;

    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
}
.menu .logo-box{margin-left:20px;}
.menu .logo-box h1 a{
    text-decoration: none;
    font-size: var(--title);
    font-weight:2;
    color:var(--dark);
}
.menu .list-container{margin-right: 20px;}
.menu .list-container ul{display: flex;}
.menu .list-container ul li{list-style: none;}
.menu .list-container ul li a{
    text-decoration: none;
    margin: 0px 10px;
    padding:8px;
    color: var(--dark);
    border-radius: 24px;
    transition: 0.3s;
    font-size: 16px;
}
.menu .list-container ul li a.active{
    background: var(--blue);
    color:#fff;
}
.menu .list-container ul li a:hover{
    background: var(--blue);
    color:#fff;
}

.btn-menu > .fa-bars{
    display: none;
}

@media only screen and (max-width:900px){
    .btn-menu > .fa-bars{
        display: block;
        position:absolute;
        right: 30px;
        top: 20px;
        font-size:28px;
        color: var(--dark);
        transition: 0.5s;
        cursor: pointer;
      }
    .btn-menu > .fa-times{color: var(--blue);}
    .btn-menu > .fa-bars:hover{color:var(--blue);}
    .menu .logo-box{margin-left: 30px;}
    .menu .list-container{
        position: fixed;
        top:60px;
        left:-100%;
        background:#fff;
        width: 100%;
        height: calc(100vh - 60px);
    
    }
    .menu .list-container .lists{
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        border-top:4px solid var(--blue);
    }
    .menu .list-container ul li{
        width: 90%;
        border-bottom: 2px solid var(--white);
        display: flex;
        justify-content: center;
    }
    .menu .list-container ul li a{
        font-size: 20px:
        text-align: center;
    padding:12px 0px;
    }
    .menu .list-container ul li a.active{
        background: none;
        color:var(--blue);
    }
    .menu .list-container ul li a:hover{
        background: none;
        color:var(--blue);
    }
}

/** Navegation Menu **/
/** IMG Header **/
.img-header{
    position: relative;
    width: 100%;
    height: 25vh;
 background:url(../img1/color17,jpeg.png);
  background-attachment: fixed;
    background-position: justify;
 background-size: cover;
}
.img-header .welcome{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
   

    display: inline-flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.img-header .welcome h1{
    font-size: 40px;
    color:#fff;
    font-weight:0;
}
.img-header .welcome hr{
    width: 100px;
    height: 2px;
    background: #fff;
    border: none;
    margin-top: 2px;
    
}
.img-header .welcome p{
    font-size: 15px;
    color: #fff;
    margin-top: 20px;
}
.img-header .welcome > button{
    width: 100px;
    height: 40px;
    background: var(--blue);
    border-radius: 24px;
    border:none;
    outline: none;
    font-size: 22px;
    color: #fff;
    text-align: center;
    margin-top: 20px;
    cursor: pointer;
    transition: 0.5s;
}
.img-header .welcome > button:hover{
    background:var(--blue);
}

@media only screen and (max-width:773px ){
    .img-header .welcome h1{font-size: 40px;}
    .img-header .welcome > button{width: 130px; font-size: 20px;}
}
@media only screen and (max-width:590px){
    .img-header .welcome h1{font-size: 30px;}
    .img-header .welcome hr{width: 100px;}
    .img-header .welcome p{font-size: 17px;}
    .img-header .welcome > button{width: 100px; font-size: 17px;}
}

  
body {
  color: #333;
  font-family: "Raleway", Arial, Helvetica, serif;
  font-weight: normal;
  margin: 0;
  padding: 0;
  background: ;
}


.cardBox {
  float: right;
  font-size: 1.2em;
  margin: 1% 0 0 1%;
  perspective: 800px;
  transition: all 0.3s ease 0s;
  width: 30.7%;
}

.cardBox:hover .card {
  transform: rotateY( 360deg);
}

.card {
  background: #222;
  cursor: default;
  height: px;
  transform-style: preserve-3d;
  transition: transform 0.4s ease 0s;
  width: 50%;
  -webkit-animation: giro 1s 1;
  animation: giro 1s 1;
}
.card p {
  margin-bottom: 1.8em;
}

.card .front,
.card .back {
  backface-visibility: hidden;
  box-sizing: border-box;
  color: black;
  display: block;
  font-size: 1.2em;
  height: 100%;
  padding: 0.8em;
  position: absolute;
  text-align: center;
  width: 100%;
}

.card .front strong {
  background: #000;
  border-radius: 100%;
  color: #222;
  font-size: 1.5em;
  line-height: 30px;
  padding: 0 7px 4px 6px;
}

.card .back {
  transform: rotateY( 180deg);
}

.card .back a {
  padding: 0.3em 0.5em;
  background: #333;
  color: #000;
  text-decoration: none;
  border-radius: 1px;
  font-size: 0.9em;
  transition: all 0.2s ease 0s;
}


.card .back a:hover {
  background: #000;
  color: #333;
  text-shadow: 0 0 1px #333;
}

.cardBox:nth-child(1) .card .back {
  background: cornflowerblue;
}

.cardBox:nth-child(2) .card .back {
  background: orange;
}

.cardBox:nth-child(3) .card .back {
  background: yellowgreen;
}

.cardBox:nth-child(4) .card .back {
  background: tomato;
}


.cardBox:nth-child(2) .card {
  -webkit-animation: giro 1.5s 1;
  animation: giro 0.5s 1;
}

.cardBox:nth-child(3) .card {
  -webkit-animation: giro 2s 1;
  animation: giro 0.5s 1;
}

.cardBox:nth-child(4) .card {
  -webkit-animation: giro 2.5s 1;
  animation: giro 0.5s 1;
}


@-webkit-keyframes giro {
  from {
    transform: rotateY( 180deg);
  }
  to {
    transform: rotateY( 0deg);
  }
}

@keyframes giro {
  from {
    transform: rotateY( 180deg);
  }
  to {
    transform: rotateY( 0deg);
  }
}

@media screen and (max-width: 767px) {
  .cardBox {
    margin-left: 2.8%;
    margin-top: 3%;
    width: 46%;
  }
  .card {
    height: 285px;
  }
  .cardBox:last-child {
    margin-bottom: 3%;
  }
}

@media screen and (max-width: 480px) {
  .cardBox {
    width: 94.5%;
  }
    
    
 }