*{
    margin: 0;
    padding: 0;
    box-sizing:border-box;
}


body{
    display:flex;
    margin:0;
    padding:0;
    min-height: 100vh;
    background: linear-gradient(45deg, rgb(9, 111, 155) 9%,rgb(17, 19, 160) 100%);
	width: 100%;
	height: 100%;
    justify-content: center;
    align-items: center;
    font-family: arial;
    flex-direction: column;
}  

ul1{
    display: flex;
    position: center;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

ul1 li {
    list-style: none;
}

ul1 li a{
    font-size: 22px;
    text-decoration: none;
    letter-spacing:1px ;
    text-transform: uppercase;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 05);
}

ul1 li a::before{
    content: attr(data-text);
    position: absolute;
    color: var(--clr);
    width: 0;
    overflow: hidden;
    transition: 1s;
    border-right: 0px solid var(--clr);
    -webkit-text-stroke: 1px var(--clr);
}

ul1 li a:hover::before{
    width: 12%;
    filter: drop-shadow(0 0 25px var(--clr));
}


.container{
    height: 70vh;
    width: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tarjeta{
    height: 250px;
    width: 200px;
    background-color: #0000008c;
    border-radius: 10%;
    box-shadow: 16px 14px 20px #0000008c;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tarjeta::before{
    content: "";
    position: absolute;
    height: 300px;
    width: 300px;
    background-image: conic-gradient(rgb(0, 255, 76) 20deg, transparent 120deg );
    animation: giro 2s linear infinite;
}

@keyframes giro{
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(-360deg);
    }
}

.tarjeta::after{
    content: "";
    position: absolute;
    height: 240px;
    width: 190px;
    background-color: #000000;
    border-radius: 10%;
    box-shadow: inset 16px 14px 20px #030303;
}

.nombre{
    color: rgb(46, 255, 4);
    z-index: 2;
    background-color: transparent;
    font-family: 'Franklin Gothic Medium';
    text-align: center;
    text-shadow: 5px 5px 4px rgb(49, 49, 49);
}

.presentacion{
    position: right;
    color: rgb(253, 253, 253);
    padding: 40px;
    text-shadow:2px 2px 3px #21b9b2;
    
}

.card {
    position: relative;
    width: 300px;
    height: 350px;
    margin: 20px;
    display: flex;
    float:inline-start;
    
}

.card .face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 10px;
    overflow: hidden;
    transition: .5s;
}

.card .front {
    transform: perspective(600px) rotateY(0deg);
    box-shadow: 0 5px 10px #000;
}

.card .front img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card .front h3 {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 45px;
    line-height: 45px;
    color: #fff;
    background: rgba(0,0,0,.4);
    text-align: center;
}

.card .back {
    transform: perspective(600px) rotateY(180deg);
    background: rgb(3, 35, 54);
    padding: 15px;
    color: #f3f3f3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    box-shadow: 0 5px 10px #000;
}

.card .back .link {
    border-top: solid 1px #f3f3f3;
    height: 50px;
    line-height: 50px;
}

.card .back .link a {
    color: #f3f3f3;
}

.card .back h3 {
    font-size: 30px;
    margin-top: 20px;
    letter-spacing: 2px;
}

.card .back p {
    letter-spacing: 1px;
} 

.card:hover .front {
    transform: perspective(600px) rotateY(180deg);
}

.card:hover .back {
    transform: perspective(600px) rotateY(360deg);
}

ul{
    position: relative;
    margin:0;
    padding:0;
    display:flex;
    top: 50%;
    left:50%;
    transform: translate(-50%, -50%);

}

ul li {
    list-style:none;
    margin: 0 15px;
}

ul li a {
    position: relative;
    display: block;
    width: 60px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    background: #260ff1;
    border-radius: 50%;
    font-size: 30px;
    color: #ffffff;
    transition: .5s;
}

ul li a:before {
    content: '';
    position: relative;
    top:0;
    left:0;
    width:100%;
    height:100%;
    border-radius:50%;
    background: #3dff02;
    transition: .5s;
    transform: scale(.9);
    z-index: -1;
}

ul li a:hover:before {
    transform: scale(1.2);
    box-shadow: 0 0 15px #06ff59;
    filter: blur(3px);
}

ul li a:hover {
    color: #17ff02;
    box-shadow: 0 0 15px #17ff02;
    text-shadow: 0 0 15px #03ff18;
}

.footer{
    margin: 40px;
    padding: 0;
position: relative;
}

.cp-text{ 
    color: rgb(255, 255, 255); 
    text-shadow: 2px 2px 3px rgb(45, 46, 46);
    font-family: 'Franklin Gothic Medium';
    font-size: 18px;
    font-weight: 100;
    position: center;
    text-align: center;
}

/* Responsive Design - adaptable a dispositivos moviles*/

@media screen and (max-width: 444px){
    ul1 li a{
        max-width:100%;
        padding: 0;
        margin-top: 30px;
        margin: 10px;
        font-size: 15px;
    }
    ul1 li a:hover::before{
        width: 30%;
        filter: drop-shadow(0 0 25px var(--clr));
    }
}

@media screen and (max-width: 818px) {
    
    .redes .redes ul li{
        max-width:700px;
        padding: 10px 2px;
        margin-top: 5%;
        margin: 1px;
    }
}

@media screen and (max-width: 446px){
    .container{
    flex-direction: column;
    }
}