@import url('https://fonts.googleapis.com/css2?family=Quicksand&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@900&family=Quicksand&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Outfit2:wght@700&display=swap');
body {
  margin: 0;
  padding: 0;
  font-family: 'Quicksand', sans-serif;
  color: #333;
  scroll-behavior: smooth;
}
.outfit{
  font-family: 'Outfit', sans-serif;
}
/*=========================================================HEADER==============================================================*/
/*====================================================================================================================================*/
::selection {
  color: #f2f2f2;
  background: #4611d0;
}
header {
  background-image: url(../img/background_header.PNG);
  background-size: 150%;
  background-position-y: 20%;
  background-blend-mode: darken;
  background-repeat: no-repeat;
}

.headline {
  position: relative;
  height: 100vh;
  color: #fff;
  text-align: center;

  background-size: cover;
}
.headline video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translateX(-50%) translateY(-54%);
}


.headline:after {
  position: absolute;
  content: '';
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 17, 17, 0.5);
}

.inner {
  width: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  opacity: 0;
  z-index: 4;
  -webkit-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  -webkit-animation: fade-in 0.75s 0.25s ease-in forwards;
          animation: fade-in 0.75s 0.25s ease-in forwards;
}
.inner h1 {
  font-family: 'Outfit', sans-serif;
  margin: 0;
  font-size: 7em;
  line-height: 1.2em;
}
.inner p {
  margin: 0;
  font-size: 2.4em;

}

nav {
  position: fixed;
  width: 100%;
  z-index: 5;
}
nav.scrolled {
  background: #2f169f;
  height: 12vh;
  animation: fade-in .5s ease;
}


nav ul {
  float: right;
  list-style: none;
  padding: 25px;
  margin: 0;
  margin: 17px 50px 0 40px;
}
nav li {
  float: left;
}
nav a {
  font-size: 1.5em;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  margin: 0px 0 0 40px;
  display: block;
  font-family: 'Outfit2', sans-serif;
}
nav a:hover {
  color: #ededed;
}

.logo {
  height: 75px;
  float: left;
}
.logo img {
  height: 75px;
 margin: 20px;
}



@-webkit-keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/*====================================================================================================================================*/
/*====================================================================================================================================*/





/*=========================================================Section==============================================================*/
/*====================================================================================================================================*/

Section{
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #2f169f;
  overflow: hidden;
}

 h2{
  font-family: 'Outfit', sans-serif;
  font-size: 250%;
  margin-bottom: 1%;
  margin-top: 5%;
  font-size: 2.2em;
  width: 100%;
  text-align: center;
}

    /*////////////////Article 1//////////*/
    section article:first-of-type{
      width: 80%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      
    }

    section article:first-of-type p:first-of-type{
      font-family: 'Outfit', sans-serif;
      font-size: 1.4em;
      /*animation: Slide-up 1s ease;*/
    }
    section article:first-of-type p:last-of-type{
      margin-bottom: 10vh;
     /* animation: Slide-up 1s ease;*/
    }
    section article:first-of-type .art1_video{
      width: 70%;
      height: 60vh;
      margin-bottom: 5%;
    }
  /*  @keyframes Slide-up {
      0%{transform: translateY(-100px);}
      100%{transform: translateY(00px);}
    }*/



    /*///////////////Fin article 1//////////*/

      



    /*////////////////Article 2//////////*/
    section article:nth-of-type(2){
      background: rgba(0, 0, 0, 0.7) url(../img/iutDevant.jpg);
      background-attachment: fixed;
      background-repeat: no-repeat;
      background-size: 130%;
      background-blend-mode: darken;
      width: 100%;
      height: 80vh;
      display: flex;
      flex-direction: row;
      justify-content: space-around;
      align-items: center;
      color: #f3f3f3;
    }

    section article:nth-of-type(2) .adress{
      width: 40%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }
    section article:nth-of-type(2) .adress p{
      font-family: 'Outfit', sans-serif;
      font-size: 1.4em;
      width: 100%;
    }

    section article:nth-of-type(2) p{
      width: 30%;
      text-align: center;
      font-size: 1.2em;
    }

    /*///////////////Fin article 2//////////*/

      


    /*////////////////Article 3//////////*/

    section article:nth-of-type(3){
      width: 100%;
      height: 70vh;
      display: flex;
      flex-direction: row;
      justify-content: space-around;
      align-items: center;
    }

    section article:nth-of-type(3) p{
      width: 30%;
      text-align: center;
    }
    section article:nth-of-type(3) .maquette3d{
      width: 40%;
      /* height: 370px; */
      /* background-color: #333; */
    }
    /*///////////////Fin article 3//////////*/

      




    /*////////////////Article 4//////////*/

    section .donnee{
      width: 100%;
      height: 40vh;
      background-color: #2f169f;
      display: flex;
      flex-direction: row;
      justify-content: space-around;
      align-items: center;
      color: white;
    }

    section .donnee .number{
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding-bottom: 2%;
    }

    section .donnee .number p:first-child{
      font-size: 250%;
      margin-bottom: 0.5%;
      font-family: 'Outfit', sans-serif;
      animation: counter 5s   ease-in-out;  
    }
    section .donnee .number p:last-child{
      font-size: 150%;
      margin-top: 1%;
      font-family: 'Outfit', sans-serif;
    }


    @property --num {
      syntax: "<integer>";
      initial-value: 0;
      inherits: false;
    }
    
    .counter {
      font-size: 250%;
      margin-bottom: 0.5%;
      font-family: 'Outfit', sans-serif;
      transition: --num 5s;
      counter-set: num var(--num);
      animation: compteur 5s ease forwards;
    }
    .counter2 {
      font-size: 250%;
      margin-bottom: 0.5%;
      font-family: 'Outfit', sans-serif;
      transition: --num 5s;
      counter-set: num var(--num);
      animation: compteur2 5s ease forwards;
    }
    .counter3 {
      font-size: 250%;
      margin-bottom: 0.5%;
      font-family: 'Outfit', sans-serif;
      transition: --num 5s;
      counter-set: num var(--num);
      animation: compteur3 5s ease forwards;
    }
    .counter4 {
      font-size: 250%;
      margin-bottom: 0.5%;
      font-family: 'Outfit', sans-serif;
      transition: --num 5s;
      counter-set: num var(--num);
      animation: compteur4 5s ease forwards;
    }


    .counter::after {
      content: counter(num);
    }
    .counter2::after {
      content: counter(num);
    }
    .counter3::after {
      content: counter(num);
    }
    .counter4::after {
      content: counter(num);
    }
  
    @keyframes compteur {
      0%{--num: 0; }
     100%{--num: 100; }
    }
    @keyframes compteur2 {
      100%{--num: 45;}
    }
    @keyframes compteur3 {
      100%{--num: 200;}
    }
    @keyframes compteur4 {
       100%{--num: 1; }
    }
  
    /*///////////////Fin article 4//////////*/


      

    /*///////////////Article 5//////////*/
    section article:nth-of-type(5){
      width: 100%;
      height: 70vh;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      align-items: center;
      margin-bottom: 5%;
    }
    section article:nth-of-type(5) .content{
      width: 80%;
      display: flex;
      flex-direction: row;
      justify-content: space-between;
      align-items: center;
    }

    section article:nth-of-type(5) .content .text{
      flex: 0 1 30%;
    }
    section article:nth-of-type(5) .content img{
      flex: 0 1 45%;
      width: 1%;
    }

    
    
    /*///////////////Fin article 5//////////*/

  

    /*///////////////Animation scroll//////////*/

  

/*====================================================================================================================================*/
/*====================================================================================================================================*/






/*=========================================================FOOTER==============================================================*/
/*====================================================================================================================================*/

footer{
  width: 90%;
  padding: 5% 5%;
  height: 20vh;
  background-color: #2f169f ;
  color: white;
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
  align-items: center;
}

footer .info{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

footer .lien_univ{
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}
footer .lien_univ a{
  text-decoration: none;
  color: white;
  font-size: 1.2em;
  font-family: 'Outfit2', sans-serif;
}
footer .logo{
  flex: 0 1 20%;
}
footer .adress{
  flex: 0 1 30%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
footer .secreteriat{
  flex: 0 1 30%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
footer .secreteriat address{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

footer .secreteriat address a{

  text-decoration: none;
  color: white;
  text-align: center;
}

footer .adress p{
  margin:  1% 0%;
  text-decoration: none;
  color: white;
}



/*====================================================================================================================================*/

.texte{
  margin-top: 80px;
  width: 100%;
display: none;
text-align: right;
}







/*=========================================================MEDIA QUERY==============================================================*/
/*====================================================================================================================================*/



@media (max-width: 774px) {
  .logo img {
    margin: 20px 0 0 -20px;
    height: 60px;
  }
}

@media (max-width: 1155px) {
  nav ul{
    display: none;
  }



}



@media (max-height: 574px) {
  nav.scrolled {
    height:40vh;
  }
}
@media (max-height: 374px) {
  nav.scrolled {
    height:70vh;
  }
}

@media (max-width: 974px) {
  .headline video {
    transform:translateX(-50%)  translateY(-50%);
  }
  nav  a{
    font-size: .5em;
  }

}
@media (max-width: 1674px) {
  .headline video {
    transform:translateX(-50%)  translateY(-50%);
  }
}


/*////////Tablette////////*/
@media screen and (max-width: 960px) {
  header {
    background-size: 300%;
  }
  .inner h1{
    font-size:3.5em;
    line-height: 2em;
  }
  .inner p {
    font-size: 2em;
  
  }

  h2{
    font-size: 2.5em;
  }
  

   /*////////////////Article 1//////////*/
   section article:first-of-type{
    width: 80%;
    display: flex;
    flex-direction: column;
    align-items: left;
    justify-content: start;
    text-align: left;
    
  }


  section article:first-of-type p:first-of-type{
    font-family: 'Outfit', sans-serif;
    font-size: 1.2em;
    /*animation: Slide-up 1s ease;*/
    width: 100%;
    text-align: center;
  }
  section article:first-of-type p:last-of-type{
    margin-bottom: 5vh;
   /* animation: Slide-up 1s ease;*/
  }
  section article:first-of-type .art1_video{
    width: 100%;
    height: 60vh;
    margin-bottom: 5%;
  }

  /*///////////////Fin article 1//////////*/



  
  /*////////////////Article 2//////////*/
  section article:nth-of-type(2){
    height: 80vh;
    background-repeat: no-repeat;
    background-size: 500%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  section article:nth-of-type(2) .adress{
    width: 90%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  section article:nth-of-type(2) .adress p{
    font-family: 'Outfit', sans-serif;
    font-size: 1.5em;
    width: 100%;
    text-align: center;
  }


  section article:nth-of-type(2) p{
    width: 85%;
    font-size: 1.2em;
    text-align: left;
  }
  /*///////////////Fin article 2//////////*/

    

  
  /*////////////////Article 3//////////*/

  section article:nth-of-type(3){
    width: 80%;
    height: 50vh;
  }

  section article:nth-of-type(3) p{
    width: 50%;
    text-align: left;
  }
  section article:nth-of-type(3) .maquette3d{
    width: 250px;
    height: 170px;
  }
  /*///////////////Fin article 3//////////*/

    

  

  /*////////////////Article 4//////////*/

  section .donnee{
    width: 100%;
    height: 100%;
    background-color: #2f169f;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    color: white;
    padding: 7% 0;
  }

  section .donnee .number{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-bottom: 2%;
  }

  section .donnee .number p:first-child{
    font-size: 250%;
    margin-bottom: 0.5%;
    font-family: 'Outfit', sans-serif;
    animation: counter 5s   ease-in-out;  
  }
  section .donnee .number p:last-child{
    font-size: 150%;
    margin-top: 1%;
    font-family: 'Outfit', sans-serif;
  }

  /*///////////////Fin article 4//////////*/

     /*///////////////Article 5//////////*/
     section article:nth-of-type(5){
      height: 100%;
      flex-direction: column;
      justify-content: center;
      
    }

    section article:nth-of-type(5) .content .text{
      margin-top: 5%;
    }
    section article:nth-of-type(5) .content img{
      width: 50%;
      margin-top: 8%;
    }
    /*///////////////Fin article 5//////////*/

    
      /*=========================================================FOOTER==============================================================*/
      /*====================================================================================================================================*/

      footer{
      height: 100%;
      display: flex;
      flex-direction: row;
      justify-content: center;
      }

      footer .lien_univ{
      height: 25%;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      align-items: center;
      }



      /*====================================================================================================================================*/


  
}


/*////////Mobile////////*/
@media screen and (max-width: 660px) {
    .inner h1{
      font-size:2.5em;
      line-height: 2em;
    }
    .inner p {
      font-size: 1.5em;
    
    }
    h2{
      text-align: left;
      font-size: 2em;
    }
    header {
      background-size: 300%;
    }
    

     /*////////////////Article 1//////////*/
     section article:first-of-type{
      width: 80%;
      display: flex;
      flex-direction: column;
      align-items: left;
      justify-content: start;
      text-align: left;
      
    }


    section article:first-of-type p:first-of-type{
      font-family: 'Outfit', sans-serif;
      font-size: 1.2em;
      /*animation: Slide-up 1s ease;*/
      width: 100%;
      text-align: left;
    }
    section article:first-of-type p:last-of-type{
      margin-bottom: 5vh;
     /* animation: Slide-up 1s ease;*/
    }
    section article:first-of-type .art1_video{
      width: 100%;
      height: 45vh;
      margin-bottom: 5%;
    }

    /*///////////////Fin article 1//////////*/



    
    /*////////////////Article 2//////////*/
    section article:nth-of-type(2){
      height: 80vh;
      background-repeat: no-repeat;
      background-size: 500%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    section article:nth-of-type(2) .adress{
      width: 90%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }
    section article:nth-of-type(2) .adress p{
      font-family: 'Outfit', sans-serif;
      font-size: 1em;
      width: 100%;
    }
    section article:nth-of-type(2) .adress h2{
      text-align: center;
    }


    section article:nth-of-type(2) p{
      width: 85%;
      font-size: 1.2em;
      text-align: left;
    }
    /*///////////////Fin article 2//////////*/

      

    
    /*////////////////Article 3//////////*/

    section article:nth-of-type(3){
      height: 50vh;
      flex-direction: column;
    }

    section article:nth-of-type(3) p{
      width: 90%;
      text-align: left;
    }
    section article:nth-of-type(3) .maquette3d{
      width: 250px;
      height: 170px;
    }
    /*///////////////Fin article 3//////////*/

      
  
    

    /*////////////////Article 4//////////*/

    section .donnee{
      width: 100%;
      height: 80vh;
      background-color: #2f169f;
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      align-items: center;
      color: white;
    }

    section .donnee .number{
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      padding-bottom: 2%;
    }

    section .donnee .number p:first-child{
      font-size: 250%;
      margin-bottom: 0.5%;
      font-family: 'Outfit', sans-serif;
      animation: counter 5s   ease-in-out;  
    }
    section .donnee .number p:last-child{
      font-size: 150%;
      margin-top: 1%;
      font-family: 'Outfit', sans-serif;
    }

    /*///////////////Fin article 4//////////*/

       /*///////////////Article 5//////////*/
       section article:nth-of-type(5){
        height: 100%;
        flex-direction: column;
        justify-content: center;
        
      }
      section article:nth-of-type(5) h2{
        width: 80%;
        text-align: left;
      }
      section article:nth-of-type(5) .content{
        flex-direction: column;
        justify-content: center;
        align-items: center;
        margin-top: 5%;
      }
  
      section article:nth-of-type(5) .content .text{
        margin-top: 5%;
      }
      section article:nth-of-type(5) .content img{
        width: 100%;
        margin-top: 8%;
      }
      /*///////////////Fin article 5//////////*/

      
       /*///////////////Footer//////////*/
      footer{
        height: 70vh;
        display: flex;
        flex-direction: column-reverse;
        justify-content: center;
      }

      footer .lien_univ{
        height: 25%;
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        align-items: center;
      }
      /*///////////////Fin Footer//////////*/


}
@media screen and (max-width: 1155px) {
  .burger-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    height: 30px;
    width: 100%;
    padding: 10px;
    z-index: 10;
  }
  
  .burger {
    display: block;
    position: relative;
    height: 30px;
    width: 30px;
    cursor: pointer;
    padding: 10px 0;
  margin-bottom: 70px;
          margin-right: 50px;  z-index: 10;
  }
  
  .burger span {
          border-radius: 2px;
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: rgb(255, 255, 255);
    transition: all 0.2s ease-out;
    transform-origin: center;  z-index: 10;
  }
  
  .burger span:nth-child(1) {
    top: 0;
  }
  
  .burger span:nth-child(2), .burger span:nth-child(3) {
    top: 12px;
  }
  
  .burger span:nth-child(4) {
    top: 24px;
  }
  
  /* Styles pour le menu déroulant */
  .menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: 300px;
    padding: 20px;
    background: #2F169F;
    box-shadow: -2px 0 5px rgba(0,0,0,0.2);
    z-index: 10;
  }
  
  .menu.active {
    display: flex;
    animation: anim .8s ease forwards;
  }
  @keyframes anim {
    0%{transform: translateX(300px);}
    100%{transform: translateX(00px);}
  }
  
  .menu a {
    width: 100%;
    display: block;
    margin-bottom: 40px;
    margin-left: 0px;
    color: #fff;
    text-decoration: none;
    font-size: 30px;  z-index: 10;
  }
  
  .menu-close {
    position: absolute;
    top: 10px;
    right: 10px;
    height: 30px;
    width: 30px;
    cursor: pointer;
    padding: 10px 0;
    margin-right: 30px;
  }
  
  .menu-close span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: #fff;
    transition: all 0.2s ease-out;
    transform-origin: center;
    transform: rotate(-45deg);
  
  }
  
  .menu-close span:nth-child(1) {
          margin-right: 30px;
    bottom: 0;
          transform: rotate(45deg);
  }
  
  .menu-close span:nth-child(2) {
    bottom: 0;
          margin-right: 30px;
  }
  .texte{
    margin-top: 80px;
    width: 100%;
  display: block;
  text-align: right;
  }
  nav a:hover {
    color: #9e9e9e;
  }
}