body {
    background-color: #cdcdcd;
    padding: 0;
    margin: 0;
    display: flex; 
    flex-direction: column; 
    min-height: 100vh; 
}

  .logo {
      height: 5em;
      margin-left: 0.5em;
      margin-top: 0.3em;
      border-radius: 0.3em;
      transition: transform 0.3s ease, background-color 0.5s ease;
    }
  
  .logo:hover {
    transform: scale(1.1);
    transition-duration: 0.5s;
  }

  .logo {
      height: 5%;
      width: 5%;
    }
    
  .logo-span {
    position: absolute;
    font-family: 'Roboto', sans-serif;
    color: black;
    font-weight: bold;
    top: 5%;
    left: 6.5%;
    letter-spacing: 1px;
  }

.text-div {
    background-color: transparent;
    border-top: 4px solid #838383;
    border-bottom: 4px solid #838383;
    border-radius: 1em;
    margin-top: 1.5em;
    margin-left: 3em;
    margin-right: 3em;
    margin-bottom: 1em;
}

h1 {
  text-align: center;
  font-family: 'Georgia', serif;
  font-size: 1.8em;
  margin: 1em 0 0.9em; 
  }

  p {
    color: rgb(0, 0, 0);
    text-align: center;
    margin: 0 10em 2.5em; 
    font-family: 'Poppins', Arial, Helvetica, sans-serif;
    font-size: 110%;
    letter-spacing: 1px;
  }

/*carousel*/
.carousel {
    position: relative;
    width: 1300px;
    height: 600px;
    overflow: hidden;
    margin: auto;
    margin-bottom: 2em;
  }
  
  .carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
  }
  
  .carousel-item {
    min-width: 100%;
    height:800px;
    width:1300px;
    user-select: none;
  }
  
  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 90px 18px 90px 18px;
    cursor: pointer;
    z-index: 1;
  }
  
  .carousel-btn.prev {
    left: 0;
  }
  
  .carousel-btn.next {
    right: 0;
  }

  .lien-synthese {
    position: absolute;
    top: 2em; 
    right: 2em; 
    background: linear-gradient(135deg, #b0b0b0, #e0e0e0);
    color: black;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    letter-spacing: 0.5px;
    font-size: 1.1em;
    margin: 0; 
    padding: 0.7em 4em;
    border-radius: 0.5em;
    border: 1px solid #a0a0a0;
    transition: transform 0.5s ease;
    text-decoration: none;
}
.container-lien {
    display: flex;
    justify-content: center;
    align-items: center;
}
.lien-synthese:hover {
    background-color: #9b9b9b;
    transform: scale(1.1);
}



footer {
    background-color: #222222;
    color: white;
    text-align: center;
    font-size: 0.9em;
    padding: 1em;
    margin-top: auto;
}

footer p {
    margin: 0.5em 0;
    color: white;
    font-family:Arial, Helvetica, sans-serif;
}