body{
  display: flex;
  flex-direction: column;
  background-color: rgb(252, 247, 247);
    font-family: 'calibri';
}
marquee{
  margin-top: 30px;
  color: #6907fa;
  font-size: 3.5vw;

}



 /* Conteneur au centre */
 .video-container {
    position: fixed;          /* reste fixé même au scroll */
    top: 0;
    left: 0;
    width: 100vw;             /* largeur écran */
    height: 100vh;            /* hauteur écran */

    background: rgba(255, 255, 255, 0.15); 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    display: flex;
    justify-content: space-around;  /* centre horizontalement */
    align-items: center;      /* centre verticalement */

    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 0 40px rgba(0,0,0,0.3);

    z-index: 9999;           /* toujours au-dessus */
}


    /* Vidéo centrée */
    video {
      position: absolute;
      top: 20%;
      margin-left: auto;
      margin-right: 40px;
        width: 600px;
        max-width: 90vw;
        border-radius: 15px;
    }
    
    /* Bouton "Passer" */
    #stop-video {
        position: absolute;
        top: 75%;
        right: 10%;
        padding: 10px 20px;
        font-size: 16px;
        background-color: #6907fa;
        color: white;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        z-index: 10000; /* Toujours au-dessus de la vidéo */
    }




#rideau-intro{
  position: fixed;
  background-color:transparent;
  height: 100%;
  backdrop-filter: blur(5px);
  width: 100%;
  display: flex;
  justify-content: center;
}
#rideau-intro #options {
  position: absolute;
  display: flex;
  justify-content: space-between;
  min-width: 60%;
  top: 30%;
  left: 50%;
  transform: translate(-50%,50%);
}
#rideau-intro #options button {
  font-family: Calibri;
  color: aliceblue;
  background-color: #6907fa;
  font-size: 25px;
  font-weight: bold;
  padding: 0.5em;
  margin: 10px;
  border-radius: 10px;
  transition: all 0.5s;
}
#rideau-intro #options button:hover{
  padding:0.75em ;
  color: #6907fa;
  background-color: aliceblue;

}
#control-level{
  display: none;
  margin-top: 25px;
}
#control-level button{
  font-family: Calibri;
  color: white;
  background-color: #6907fa;
  font-size: 15px;
  padding: 0.5em;
  margin: 10px;
  border-radius: 10px;
}
.fixed-button {
  position: fixed;
  top: 11vh; /* 50% de la hauteur de l'écran */
  left: 2vw; /* 2% de la largeur de l'écran */
  z-index:1000;
  transition: transform 0.5s ease-in-out;
}

.fixed-button button {
  margin-left: 0.1vw; /* 1% de la largeur de l'écran */
  transform: translateX(-55);
  transition: transform 0.5s ease-in-out;
}

.fixed-button:hover button {
  transform: translateX(0);
}

.fixed-button button:hover {
  transform: translateX(0);
}
#optl3 {
  display: none;
}
#aboutl3{
  display: none;
}
#tableau-l3{
  display: none;
}
#head{ display: flex;
justify-content: space-around;
width: 100%;
min-width: 480px;
}
.tableau{
  min-width: 1100px;
  display: flex;
  justify-content: center;
}
table img
{
height: 20px;
width: 20px;
margin: 3px;
}
.tableau a{ 
  display: flex;
background-color: #6907fa;
color: aliceblue;
justify-content: center;
font-size: 15px;
padding: 5%;
border-radius: 10px;
}
steve{
 width: 30%;
}
table
{
  min-width: 1100px;
  width: 70%;
    margin-top: 1%;
    margin-left: 3px;
   box-shadow: 10px 20px 30px  black;
   border-collapse: collapse;
   
}
#head img
{ display: flex;
  flex-direction: column;
   margin-right:14vw; 
    width: 6vw;
   border-radius: 100%;
   box-shadow: 10px 10PX 100px black;
   transition:background-color 1s;
   margin-left: 2vw;
}
#head img:hover{
  background-color: #6907fa;
}
#head a {
  font-size: 15px;
}
td
{ width: 16vw;
  padding: 3px; 
   border: 1px solid rgba(3, 3, 5, 0.193);
    text-align: center;
    border-collapse: collapse;
    transition-duration: 0.5s;
}
tr
{   color: black;  
    transition-duration: 0.5s;
}
th
{ padding-top: 2vh;
  padding-bottom: 2vh;
    background-color: #6907fa;
    border: 2px rgb(66, 73, 158);
    font-size: larger;
    color: aliceblue;
}
tr:hover:not(.headtab)
{
  background-color:  #6907fa;
  color: azure;
  box-shadow: 10px 10px 20px black;
 
}
td:hover{
  color: white;
  font-size: 1.5em;
}
.head_img
{
  display:flex ;
  width: 10vw;
  flex-direction: column;


}
a{
  text-decoration: none ;
 color: black;
 font-family: 'calibri'
  
}
.head_img :hover{
  transform: scale(1.1,1.1);
 
}

.titre{
  display: block;
  text-align: center;
  max-width: 10vw;
}
.about{

  width: calc(max(350px,40vw));
  color: rgb(232, 244, 244);
   background-color: #6907fa; 
   border-radius: 30px;
   padding: 4%;
   font-family: "Poppins", Arial, sans-serif;
   font-size: 16px;
   line-height: 1.8;
   font-weight: normal;
}
.boutons{
  width: 64%;
  margin-top: 1%;
display: flex;
justify-content: space-between;

}
.bouton{
  display: flex;
  justify-content: center;
  background-color: #6907fa;
  color: rgb(229, 233, 236);
  font-size: larger;
 
  width: 100px;
  padding-top: 8px;
  padding-bottom: 8px;

  border-radius: 10px;

}
.particulier{
  font-weight: bold;
}
h1{
  margin-top: 8%; 
  font-size: 28px;
    color: #6610f2;
    line-height: 1.5;
    font-weight: 400;
    font-family: "Poppins", Arial, sans-serif;
}
#presentation{
  width: 100%;
  display: flex;
  flex-direction: column;
align-items: center;
}