*{
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
}

body {
  width: 100%;
}

/* Header */

.header{
  min-height: 50px;
  width: 100%;
}

.header nav{
  top:0;
  position: absolute;
  height: 50px;
  width: 100%;
  padding: 10px;
  padding-top: 30px;
  display: flex;
  background-color: #3A495D;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.header nav ul{
  display: flex;
}

.header nav ul section ul{
  display: block;
}

.header img{
  position: absolute;
  top: 10px;
}

/* About */

.about-button{
  transition: 0.5s;
}

.about{
  display: none;
  position: absolute;
  margin-top: 4%;
  margin-right: 2%;
  width: 30%;
  top: -10px;
  right: 0;
  padding: 10px;
  text-align: justify;
  background-color: rgba(215, 242, 255, 0.9);
  border-radius: 3px;
  z-index: 1;
}

.about h3{
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  margin-left: 0px;
  margin-right: 0px;
  margin-top: 10px;
}

.about p{
  font-size: 12px;
}

.aboutHeader:hover .about{
  display: block;
}
/* Menu Projets Header*/

.projects-Menu {
  display: none;
  position: absolute;
  margin-top: 4%;
  margin-right: 8%;
  width: 16%;
  top: -10px;
  right:0;
  text-align: left;
  background-color: rgba(215, 242, 255, 0.9);
  border-radius: 3px;
  transition: 0.5s;
  z-index: 1;
}
.projects-Menu h3 {
  font-size: 20px;
  font-weight: 600;
  margin-left: 0px;
  margin-right: 0px;
  margin-top: 10px;
  text-align: center;

}

.projects-Menu ul li{
  list-style: none;
}

.projects-Menu ul li a{
  text-decoration: none;
  display: inline-block;
  padding: 10px;
  color: #000;
  font-size: 12px;
  font-weight: 500;
  transition: 0.5s;
}

.projects-Menu ul li a:hover{
  font-size: 13px;
  opacity: 1;
  color: #000;
}

.projectsHeader:hover .projects-Menu{
  display: inline-block;
}

.nav-links{
  flex: 1;
  text-align: right;
}

.header button{
  list-style: none;
  display: inline-block;
  padding: 8px 20px;
  position: relative;
  color: #fff;
  border: none;
  background: transparent;
  font-style: 13px;
}

.header nav ul button::after{
  content: '';
  width: 0%;
  height: 1.5px;
  background: #fff;
  display: block;
  margin: auto;
  transition: 0.5s;
}

.header nav ul button:hover::after{
  width: 100%;
}

/* body */

.buttonBack{
  position: absolute;
  list-style: none;
  padding: 8px 20px;
  color: #fff;
  background-color: rgba(58, 73, 93, 0.9);
  border: none;
  border-radius: 5px;
  margin-left: 160px;
  font-style: 13px;
  transition: 0.5s;
}

.buttonBack:hover{
  background-color: #C4DBE6;
}

/* Carte topographique */

.background-topography{
  opacity: 0.8;
}

.background-topography img{
  width: 100%;
}

/* Arrière-plan pages projets */

.background-projects img{
  width: 100%;
  opacity: 0.2;
}

/* Icônes de projets */

.projectsIcons a img{
  height: 64px;
  width: 64px;
  opacity: 0.8;
  transition: 0.8s;
}

.projectsIcons a img:hover{
  height: 68px;
  width: 68px;
  opacity: 1;
}


.VDExhibition{
  position: absolute;
  top: 370px;
  left: 780px;
}

.Museomix{
position: absolute;
top: 118px;
left: 1290px;
}

.PoliticalHologram{
  position: absolute;
  top: 190px;
  left: 985px;
}

.FifaVideogame{
  position: absolute;
  top: 285px;
  left: 72px;
}

.SeriousGame{
  position: absolute;
  top: 530px;
  left: 105px;
}

.WebMeetings{
  position: absolute;
  top: 690px;
  left: 700px;
}

.FilmingEmployees{
  position: absolute;
  top: 655px;
  left: 325px;
}

.BodilyApperception{
  position: absolute;
  top: 665px;
  left: 1280px;
}
.ParkourMethod{
  position: absolute;
  top: 160px;
  left: 570px;
}

.InvestigateCreatingImages{
  position: absolute;
  top: 550px;
  left: 528px;
}

.CorporateCommunication{
  position: absolute;
  top: 548px;
  left: 940px;
}

.Goodposterdesign{
  position: absolute;
  top: 392px;
  left: 1138px;
}

.SocialCapitalPerspective{
  position: absolute;
  top: 50px;
  left: 270px;
}

.SpacesEmpowerment{
  position: absolute;
  top: 425px;
  left: 1430px;
}

/* Footer */

footer{
  height: 200px;
  width: 100%;
  font-size: 0.8rem;
  background: rgba(196, 219, 230, 1);
  text-align: center;
  z-index: 1;
}

footer h3{
  padding-top: 20px;
  padding-left: 60px;
  font-size: 16px;
  font-weight: 700;
  text-align: left;
}

.footerMenu{
  display: flex;
}

footer ul{
  padding-left: 60px;
  padding-right: 60px;
  text-align: justify;
  list-style: none;
}

footer ul li a{
  text-decoration: none;
  color: #000;
  font-size: 12px;
  transition: 0.3s;
}

footer ul li a:hover{
  font-size: 13px;
  color: #000;
}
footer p {
  padding-top: 10px;
  padding-left: 60px;
  font-size: 10px;
  color: #909090;
  text-align: center;
}


/* RESPONSIVE */

@media(max-width: 700px){

  /* Header */

.logoVD{
  width: 30%;
}

.header nav{
  padding: 3px;
}
  .text-box h1{
    font-size: 20px;
  }
  .text-box p{
    font-size: 14px;
  }
  .nav-links ul li{
    display: block;
  }

  .nav-links{
    position: absolute;
    background: #7AB0CC;
    height: 100vh;
    width: 200px;
    top: 0px;
    right: -200px;
    text-align: left;
    z-index: 2;
    transition: 1s;
  }
  nav .fa-solid{
    display: block;
    color: #fff;
    margin: 10px;
    font-size: 22px;
    cursor: pointer;
  }
  .nav-links ul{
    padding: 20px;
  }

  /* Body index */

  .background-topography img{
    display: none;
  }

  body{
    width: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url(images/background-topography-vertical.png);
  }
  /* Icônes de projets */

  .projectsIcons form input{
    height: 64px;
    width: 64px;
    opacity: 0.8;
    transition: 0.5s;
  }

  .projectsIcons form input:hover{
    height: 68px;
    width: 68px;
    opacity: 1;
  }

  .Museomix{
  position: absolute;
  top: 118px;
  left: 1290px;
  }

  .PoliticalHologram{
    position: absolute;
    top: 190px;
    left: 985px;
  }

  .FifaVideogame{
    position: absolute;
    top: 285px;
    left: 72px;
  }

  .SeriousGame{
    position: absolute;
    top: 530px;
    left: 105px;
  }

  .WebMeetings{
    position: absolute;
    top: 690px;
    left: 700px;
  }

  .FilmingEmployees{
    position: absolute;
    top: 655px;
    left: 325px;
  }

  .BodilyApperception{
    position: absolute;
    top: 665px;
    left: 1280px;
  }
  .ParkourMethod{
    position: absolute;
    top: 332px;
    left: 598px;
  }

  .InvestigateCreatingImages{
    position: absolute;
    top: 550px;
    left: 528px;
  }

  .CorporateCommunication{
    position: absolute;
    top: 548px;
    left: 940px;
  }

  .Goodposterdesign{
    position: absolute;
    top: 392px;
    left: 1138px;
  }

  .SocialCapitalPerspective{
    position: absolute;
    top: 50px;
    left: 270px;
  }

  .SpacesEmpowerment{
    position: absolute;
    top: 425px;
    left: 1430px;
  }
}