body{
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    background-color: blueviolet;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
}

/********************************** OPENING *********************************/
.opening {
    height: 100vh;
    width: 100%;
}

/********************************** COLORS **********************************/
.color{
    height: 100vh;
    width: 100%;
    z-index: 0;
    position: relative;
    overflow: hidden;
}
.color .blue{
    background-color: blue;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    position: absolute;
    filter: blur(50px);
    animation-name: animationBlue;
    animation-duration: 10s;
    animation-iteration-count: infinite;
    z-index: 0;
}
.color .red{
    background-color: red;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    position: absolute;
    bottom: -100px;
    right: -20px;
    filter: blur(50px);
    animation-name: animationRed;
    animation-duration: 10s;
    animation-iteration-count: infinite;
    z-index: 0;
}
.color .orange{
    background-color: orange;
    width: 1000px;
    height: 1000px;
    border-radius: 50%;
    position: absolute;
    right: -80px;
    top: -400px;
    filter: blur(50px);
    animation-name: animationOrange;
    animation-duration: 10s;
    animation-iteration-count: infinite;
    z-index: 0;
}
.color .yellow{
    background-color: yellow;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    position: absolute;
    bottom: -80px;
    left: -40px;
    filter: blur(50px);
    animation-name: animationYellow;
    animation-duration: 10s;
    animation-iteration-count: infinite;
    z-index: 0;
}

.background{
    position: absolute;
    top: 50%;
    right: 50%;
    transform: translate(50%,-50%);
    width: 90%;
    background-color: transparent;
    height: 90vh;
    margin: auto;
    border-radius: 50px;
    backdrop-filter: blur(200px);
    box-shadow: inset 2px 2px 100px rgba(250,250,250,0.3);
    transition: all 0.2s ease-in;
}

/******************************* CONTENT *******************************/
.content{
    width: 500px;
    height: 500px;
    margin: auto;
}

.title{
    color: white;
    font-size: 50px;
    animation: lights 5s 750ms linear infinite;
    letter-spacing: 5px;
}
.description{
    color: white;
    font-size: 20px;
    transform: scale(0.94);
    animation: scale 3s forwards cubic-bezier(0.5, 1, 0.89, 1);
}

span {
    display: inline-block;
    opacity: 0;
    filter: blur(4px);
  }
  
span:nth-child(1) {
    animation: fade-in 2s 0.1s forwards cubic-bezier(0.11, 0, 0.5, 0);
}
  
span:nth-child(2) {
    animation: fade-in 2s 0.3s forwards cubic-bezier(0.11, 0, 0.5, 0);
}
  
span:nth-child(3) {
    animation: fade-in 2s 0.5s forwards cubic-bezier(0.11, 0, 0.5, 0);
}
  
span:nth-child(4) {
    animation: fade-in 2s 0.7s forwards cubic-bezier(0.11, 0, 0.5, 0);
}
  
span:nth-child(5) {
    animation: fade-in 2s 0.9s forwards cubic-bezier(0.11, 0, 0.5, 0);
}

/* tablet */
@media screen and (max-width:1100px){
    .title{
        font-size: 30px;
    }
}

/* phone */
@media screen and (max-width:300px){
    .description{
        font-size: 15px;
    }
}

@media screen and (max-height:500px){
    .title{
        font-size: 42px;
    }
}

@media screen and (max-height:300px){
    .title{
        font-size: 30px;
    }
}

/******************************* LOGO *******************************/
.logo path {
    stroke-dasharray: 0 100;
}

.background:hover path{
    stroke-dasharray: 300 100;
    transition: 1s;
}

/* tablet */
@media screen and (max-width:1100px){
    .logo path {
        stroke-dasharray: 300 100;
    }
    .content{
        margin: 25% auto;
    }

}

@media screen and (max-width:800px){
    svg{
        width: 50%;
        height: 50%;
    }
    .content{
        width: 100%;
        height: 100%;
        margin: auto;
    }
}

/* phone */
@media screen and (max-width:500px){
    svg{
        width: 50%;
        height: 50%;
    }
    .content{
        width: 100%;
        height: 100%;
        margin: auto;
    }
}

@media screen and (max-width:300px){
    svg{
        width: 30%;
        height: 30%;
    }
}

@media screen and (max-height:800px){
    svg{
        width: 70%;
        height: 70%;
    }
    .content{
        width: 100%;
        height: 100%;
        margin: auto;
    }
}

@media screen and (max-height:650px){
    svg{
        width: 60%;
        height: 60%;
    }
}

@media screen and (max-height:450px){
    svg{
        width: 50%;
        height: 50%;
    }
}

@media screen and (max-height:350px){
    svg{
        width: 40%;
        height: 40%;
    }
}

/****************************** ANIMATIONS ******************************/ 

@keyframes animationBlue {
    0% {top: -50px; left: -20px}
    25% {top: 100px; left: 40px}
    50% {top: 250px; left: 800px}
    75% {top: 100px; left: 40px}
    100% {top: -50px; left: -20px}
}

@keyframes animationRed {
    0% {bottom: -100px; right: -20px}
    25% {bottom: 0px; right: 20px}
    50% {bottom: 500px; right: 50px}
    75% {bottom: 100px; right: -10px}
    100% {bottom: -100px; right: -20px}
}

@keyframes animationOrange {
    0% {right: -80px; top: -400px}
    25% {right: 0px; top: -10px}
    50% {right: 200px; top: 50px}
    75% {right: 100px; top: -200px}
    100% {right: -80px; top: -400px}
}

@keyframes animationYellow {
    0% {bottom: -80px; left: -40px}
    25% {bottom: 50px; left: -60px}
    50% {bottom: 300px; left: 80px}
    75% {bottom: 30px; left: -50px}
    100% {bottom: -80px; left: -40px}
}

@keyframes lights {
    0%{
        color:hsl(230, 40%, 80%);
        text-shadow:
            0 0 16px hsla(320, 100%, 50%, 0.2),
            0 0 2px hsla(320, 100%, 60%, 0.3),
            -16px -2px 8px hsla(40, 100%, 60%, 0),
            16px 2px 8px hsla(200, 100%, 60%, 0);
    }

    30%{
        color: hsl(230, 80%, 90%);
        text-shadow:
            0 0 16px hsla(320, 100%, 50%, 0.5),
            0 0 2px hsla(320, 100%, 60%, 0.5),
            -8px -2px 4px hsla(40, 100%, 60%, 0.2),
            8px 2px 4px hsla(200, 100%, 60%, 0.4);
    }

    40%{
        color: hsl(230, 100%, 95%);
        text-shadow:
            0 0 16px hsla(320, 100%, 50%, 0.5),
            0 0 2px hsla(320, 100%, 90%, 0.5),
            -4px -2px 2px hsla(40, 100%, 60%, 0.2),
            4px -2px 2px hsla(20, 100%, 60%, 0.4);
    }

    70%{
        color: hsl(230, 80%, 90%);
        text-shadow:
            0 0 16px hsla(320, 100%, 50%, 0.5),
            0 0 2px hsla(320, 100%, 60%, 0.5),
            8px -2px 4px hsla(40, 100%, 60%, 0.2),
            -8px 2px 4px hsla(20, 100%, 60%, 0.4);
    }

    100%{
        color: hsl(230, 40%, 80%);
        text-shadow:
            0 0 16px hsla(320, 100%, 50%, 0.2),
            0 0 2px hsla(320, 100%, 60%, 0.3),
            16px -2px 8px hsla(40, 100%, 60%, 0),
            -16px 2px 8px hsla(200, 100%, 60%, 0);

    }
}

@keyframes fade-in {
    100% {
      opacity: 1;
      filter: blur(0);
    }
}

@keyframes scale {
    100% {
      transform: scale(1);
    }
}



/****************************** SERVICES ******************************/ 
.services {
    color: white;
    width: 100%;
    background-color: rgba(48, 48, 48, 0.8);
}
.services .container{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 40px;
}
.services .item{
    border-radius: 30px;
    padding: 40px;
    transform: translate(0px, 0px);
    transition: all 0.2s ease-in-out;
}
.services .item:hover{
    transform: translate(10px, -10px);
}

.services .icons{
    font-size: 50px;
}

.services h3{
    font-size: 25px;
    text-transform: uppercase;
    letter-spacing: 3px;
    background:  
        linear-gradient(to right, rgb(197, 100, 200), rgb(200, 198, 100)),
        linear-gradient(to right, rgba(255, 0, 0, 1), rgba(255, 0, 180, 1), rgba(0, 100, 200, 1));
    background-size: 100% 2px, 0 2px;
    background-position: 100% 100%, 0 2px;
    background-repeat: no-repeat;
    transition: background-size 0.4s;
}
.services .item:hover h3{
    background-size: 0 2px, 100% 2px;
}

@media screen and (min-width:1800px){
    .services .item{
        padding: 100px;
    }
}

/* tablet */
@media screen and (max-width:1100px){
    .services .item{
        padding: 20px;
    }
    .services h3{
        font-size: 20px;
    }
}

/* phone */
@media screen and (max-width:700px){
    .services .container{
        grid-template-columns: repeat(1, 1fr);
    }
}

@media screen and (max-height:400px){
    .services h3{
        font-size: 15px;
    }
}

/****************************** SIGN UP ******************************/ 
.signup{
    border-radius: 30px 30px 0 0;
    position: relative;
}

.signup img {
    height: 600px;
    width: 100%;
    object-fit: cover;
}

.join {
    position: absolute;
    top: 30%;
    right: 10%;
    color: white;
    background-color: rgba(49, 49, 49, 0.5);
    padding: 0px 40px 40px ;
    border-radius: 30px;
    transform: scale(1) translate(0, 0);
    transition: all 0.3s ease-out;
}
.join:hover{
    transform: scale(1.05);
}
.join h2{
    font-size: 50px;
}

.join .button {
    background-image:linear-gradient(45deg,rgb(183, 129, 233),rgb(116, 30, 196)) ;
    padding: 20px;
    border-radius: 10px;
    transition: background-image 0.5s ease-in-out;
    cursor: pointer;
}

.join .button:hover{
    background-image:linear-gradient(45deg,rgb(233, 129, 190),rgb(196, 143, 30)) ;

}

/* phone */
@media screen and (max-width:500px){
    .join {
        position: absolute;
        top: 50%;
        right: 50%;
        transform: translate(50%, -50%);
        padding: 0px 20px 20px ;
    }
    .join:hover{
        transform: scale(1);
        transform: translate(50%, -50%)
    }
    .join h2{
        font-size: 35px;
    }
}


/****************************** FOOTER ******************************/ 
footer {
    width: 300px;
    margin: auto;
    padding: 20px;
    color: white;
}
footer .reseaux-container{
    display: flex;
    justify-content: space-around;
    padding: 20px 50px;
    font-size: 25px;
}

footer .reseaux-item{
    cursor: pointer;
    transform: scale(1) rotate(0deg);
    transition: all 0.5s ease-out;
}
footer .reseaux-item:hover{
    transform: scale(1.3) rotate(360deg);
}

/* phone */
@media screen and (max-width:350px){
    footer {
        width: 240px;
    }
}