*, ::after, ::before {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Bakbak One', cursive;
    height: 100vh;
}

/* DARK MODE */
:root {
    --clr-light: #f1f1f1;
    --clr-dark: #000000;
    --clr-primary: #2ad6fd;
    --clr-secondary: #B721FF;
    --clr-bs: rgba(255, 255, 255, 0.441);
  
    --foreground: var(--clr-dark);
    --background: var(--clr-light);
}
  
.darkmode {
    --clr-light: #f1f1f1;
    --clr-dark: #212222;
    --clr-primary: #333;
    --clr-secondary: #333333;
    --clr-bs: none;
  
    --foreground: var(--clr-light);
    --background: var(--clr-dark);
}

/* bar de navigation*/

.barnav {
  display: flex;
  justify-content: space-around;
  width: 100%;
  padding-bottom: 20px;
  padding-top: 20px;
  background-color: var(--background);
}
.logo {
  text-decoration: none;
  font-size: 25px;
  font-family: "Oswald";
  letter-spacing: 2px;
  color: var(--foreground);

}
.nav {
  list-style-type: none;
  display: flex;
  margin-right: 100px;
}
.onglet {
  margin-left: 50px;
}
.onglet a {
  font-family: "Oswald", Bold;
  text-decoration: none;
  color: black;
  font-size: 25px;
  display: inline-block;
  color: var(--foreground);
  text-decoration: none;
}
.onglet a:after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background: rgb(0, 0, 0);
  transition: width 0.3s;
}
.onglet a:hover::after {
  width: 100%;
}
.burger {
    display: none;
    cursor: pointer;
}
.burger div {
    width: 25px;
    height: 5px;
    background-color: var(--foreground);
    margin: 5px;
    transition: all 0.3s ease;
}
.toggle .line1 {
    transform: rotate(-45deg) translate(-8px, 6px);
}
.toggle .line2 {
    opacity: 0;
}
.toggle .line3 {
    transform: rotate(45deg) translate(-8px, -6px);
}

/* Barnav responsive  */

@media screen and (max-width: 950px) {
    body {
      overflow-x: hidden;
    }
    .nav {
      position: absolute;
      left: 0px;
      height: 113vh;
      top: 77px;
      background-color: var(--background);
      margin-right: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
      transform: translateX(-100%);
      transition: transform 0.5s ease-in;
      z-index: 1;
    }
    .onglet {
      opacity: 0;
      margin-top: 200px;
      margin-left: 0px;
    }
    .onglet a {
      text-align: center;
    }
  
    .burger {
      display: block;
    }
    .switch {
        margin: 10px 20px;
    }
}
  
.nav-active {
    transform: translateX(0%);
}
  
@keyframes navLinkFade {
    from {
      opacity: 0;
      transform: translateX(50px);
    }
    to {
      opacity: 1;
      transform: translateX(0px);
    }
}

/* PAGE D'ACCUEIL */

.page-acc {
    background: var(--background);
    height: 100%;
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
}

.acceuil h1 {
    color: var(--foreground);
    padding-top: 240px;
    padding-left: 240px;
    font-size: 4rem;
    font-size:50px;
}
  
.media-container {
    padding-left: 240px;
    margin:20px 0 40px 0;
    display: flex;
}

.media-btn {
    display: flex;
    justify-content: center;
    width:50px;
    height: 50px;
    margin-right: 10px;
    margin-top:20px;
    align-items: center;
    border-radius: 50%;
    background:#333;
}



.icones {
    width: 27px;
}
  
.page-acc .btn {
    text-decoration: none;
    margin-left:240px ;
    font-size:17px;
    padding:10px 30px;
}
  
/* BOUTON */

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    margin-left: 20px;
}
  
.switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}
  
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgb(58, 57, 57);
    -webkit-transition: .4s;
    transition: .4s;
}
  
.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: rgb(42, 40, 40);
    -webkit-transition: .4s;
    transition: .4s;
}
  
input:checked + .slider {
    background-color: #ff9924;
}
  
input:focus + .slider {
    box-shadow: 0 0 1px #ffffff;
}
  
input:checked + .slider:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(26px);
}
  
  /* Rounded sliders */
.slider.round {
    border-radius: 34px;
}
  
.slider.round:before {
    border-radius: 50%;
}



/* DESCRIPTION SECTION */

.section2 {
    display: flex;
    flex-direction: column;  
    align-items: center; 
    background-image: linear-gradient(19deg, var(--clr-primary), var(--clr-secondary));
}
.container1 {
    height: 60vh;
    margin: 100px;
    display: flex;
    justify-content: center;
    padding: 30px;
    background-image: linear-gradient(19deg, var(--clr-primary), var(--clr-secondary));
    box-shadow: var(--clr-bs) -4px 9px 25px -6px;
    border-radius: 30px;
}
.img_pres img {
    width: 50vh;
    height: auto;
    border: rgb(255, 255, 255) 3px solid;
    border-radius: 30px;
    box-shadow: var(--clr-bs) -4px 9px 25px -6px;
}

.text {
    padding: 100px;
    color: aliceblue;
}

.text h2 {
    padding-bottom: 5px;
    margin-bottom: 20px;
    border-bottom: solid 3px white;
}
.text h2 span {
    color: #64c1ff;
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;    
}

.logo img {
    width: 32px;
    height: auto;
}

.btn {
    margin-top: 20px;
    position: relative;
    width: 120px;
    height: 32px;
    border-radius: 20px;
    border: none;
    transition: 1s box-shadow;
    cursor: pointer;
    box-shadow: 0 0 5px 0 rgba(0,0,0,0.25);
    background-color: #64c1ff;
    font-weight: bold;
    color: azure;
    transition: all ease-in-out 0.2s;
}

.btn:hover {
    background-color: #4bb5fb;
    transform: scale(1.1);
}

/* CARDS */

.container {
    height: 300px;
    width: 600px;
    top: 60px;
    left: calc(50% - 300px);
    display: flex;
}

.card {
    display: flex;
    height: 280px;
    width: 200px;
    background-color: #ffffff;
    box-shadow: rgba(73, 70, 70, 0.441) -4px 9px 25px -6px;    
    border-radius: 10px;
    /*   margin-left: -50px; */
    transition: 0.4s ease-out;
    position: relative;
    left: 0px;
}

.card:not(:first-child) {
    margin-left: -50px;
}

.card:hover {
    transform: translateY(-20px);
    transition: 0.4s ease-out;
}

.card:hover ~ .card {
    position: relative;
    left: 50px;
    transition: 0.4s ease-out;
}

.title {
    color: #333;
    font-weight: 300;
    position: absolute;
    left: 20px;
    top: 15px;
}

.bar {
    position: absolute;
    top: 100px;
    left: 20px;
    height: 5px;
    width: 150px;
}

.emptybar {
    background-color: #2e3033;
    width: 100%;
    height: 100%;
}

.filledbar {
    position: absolute;
    top: 0px;
    z-index: 3;
    width: 0px;
    height: 100%;
    background-color: #21D4FD;
    background-image: linear-gradient(19deg, var(--clr-primary), var(--clr-secondary));
    transition: 0.6s ease-out;
}

.card:hover .filledbar {
    width: 150px;
    transition: 0.4s ease-out;
}

  
.De {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 20px;
}

.De img{
    width: 27px;
    height: 32px;
}

/* TimeLine */

.titre-timeline {
    text-align: center;
    padding: 150px 0;
    color: white;
    font-size: 35px;
}
.box-timeline {
    width: 100%;
    height: 1500px;
    position: relative;
    background: var(--background);
    padding: 80px 0 250px 0;
}

.ligne {
    height: 1000px;
    width: 8px;
    margin: 0 auto;
    background-color: #21D4FD;
    background-image: linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
}

.rond {
    width: 80px;
    height: 80px;
    background: rgb(255, 255, 255);
    position: absolute;
    border-radius: 50%;
    left:50%;
    transform: translate(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
}

.r1{top:80px;}
.r2{top:386px;}
.r3{top:692px;}
.r4{top:1000px;}

.box {
    color: #333;
    width: 400px;
    min-height: 200px;
    padding: 20px;
    border-radius: 3px;
    height: auto;
    background: #f1f1f1;
    box-shadow: rgba(100, 100, 111, 0.2) 0px 7px 29px 0px;
    position: absolute;
    left: 50%;
    transform: translate(-50%);
}

.b1{
    top:80px;
    left: calc(50% - 270px);
}
.b2{
    top:386px;
    left: calc(50% + 270px);
}
.b3{
    top:692px;
    left: calc(50% - 270px);
}
.b4{
    top:1000px;
    left: calc(50% + 270px);
}

.box p {
    line-height: 20px;
    font-size: 18px;
    margin: 10px 0 20px 0;
    color: rgb(92, 89, 89);
}
.bt1 {
    text-decoration: none;
    padding: 5px 20px;
}

/* FOOTER */

.Container-footer {
    padding: 100px;
    background-color: #21D4FD;
    background-image: linear-gradient(19deg, var(--clr-primary), var(--clr-secondary));
    display: flex;
    justify-content: space-around;
}
.Container-footer li {
    list-style: none;
    cursor: pointer;
}


/* dark theme */
h1.dark {
    background-color: black;
    color: white;
}
a{
    color: white;
}

/* MOBILE DEVICE */

@media screen and (max-width:1300px){
    .container1 {
        height: 60vh;
        background: none;
    }
    .text {
        padding:  60px 30px;
    }
    .img_pres img {
        width: 50vh;
    }
    .titre-acc {
        padding: 0;
    }
    .acceuil h1 {
        padding-top: 240px;
        padding-left: 150px;
    }
     
    .media-container {
        padding-left: 150px;
        margin:20px 0 40px 0;
        display: flex;
    }
    .page-acc .btn {
        margin-left: 150px;
    }

    

@media screen and (max-width:1000px){
    .ligne {
        position: relative;
    }
    .rond {
        z-index: 20;
        left: calc(50%);
    }
    .box {
        left: calc(50% );
    }
    .b1{
        top:140px;
    }
    .b2{
        top:446px;
    }
    .b3{
        top:752px;
    }
    .b4{
        top:1060px;
    }
    .container1 {
        flex-direction: column;
        align-items: center;
        height: auto;
    }
    .acceuil h1 {
        padding-top: 240px;
        padding-left: 50px;
    }
     
    .media-container {
        padding-left: 50px;
        margin:20px 0 40px 0;
        display: flex;
    }
    .page-acc .btn {
        margin-left: 50px;
    }
}
@media screen and (max-width:750px){
    .container{
        align-items: center;
        flex-direction: column;
        height: auto;
        width: auto;
        margin-top: 100px;
    }

    .card:not(:first-child) {
        margin-left: 0px;
        margin-top: -100px;
    }
    
    .card:hover {
        transform: translateY(-30px);
        transition: 0.4s ease-out;
    }
    
    .card:hover ~ .card {
        position: relative;
        transition: 0.4s ease-out;
        left: 0;
    }

}

@media screen and (max-width:550px){
    .box {
        width: 370px;
    }
    .container1 {
        width: auto;
        margin: 0;
        box-shadow: none;
    }
    .card {
        border: #070707 2px solid;
    }
    .img_pres img{
        width: 38vh;
    }
    .acceuil {
        display:flex;
        flex-direction: column;
        align-items: center;
    }
    .acceuil h1 {
        padding-top: 240px;
        padding-left: 0px;
        text-align: center;
    }
     
    .media-container {
        padding-left: 10px;
        margin:20px 0 40px 0;
        display: flex;
        justify-content: center;
    }
    .page-acc .btn {
        margin-left: 10px;
        height: auto;
        width:auto
    }
}
}