.contenu_principale {
    padding-left: 10%;
    padding-right: 10%;
    font-size: 20px;
    background-color: rgba(0,0,0,0.3);  
    background-clip: content-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #000000; 
    margin: 0;
    padding: 0;
    color: #333333;
}

.barre-navigation {
    background-color: #1f2937;
    padding: 15px 20px;
}

.conteneur-nav {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #ffffff;
    font-size: 20px;
    font-weight: bold;
}

.liens a {
    color: #9ca3af;
    text-decoration: none; 
    margin-left: 20px;
    transition: color 0.3s ease;
}

.liens a:hover, .liens a.actif {
    color: #3b82f6;
}

.en-tete {
    background-color: rgba(173, 99, 241, 0.8);
    color: white;
    text-align: center;
    padding: 50px 20px;
}

.en-tete h1 {
    margin: 0 0 10px 0;
    font-size: 35px;
    text-align: center;
    color: black;
}

.en-tete p {
    margin: 0;
    font-size: 20px;
    opacity: 0.9;
}

.tableau {
    width : 50% ;
    margin : 15px ;
    padding-left: 4%;
    text-align: left;
}

.img-tableau1 {
  width: 150px;       
  height: 150px;      
  object-fit: cover;  
  display: block;   
  margin: auto;      
  opacity: 0.8;

}

.tableau1 {
    width : 100% ;
    margin : 15px ;
    padding-right : 6%;
    text-align: right;
}

th {
    color: #FF3333;
}

.liste {
    margin: 5px 0;
    padding-left: 4%; 
}

.liste > li {
    margin-bottom: 1%; 
    padding-top: 12px;
    color: #0b2c6e; 
    list-style-type: disc;
}

.carousel {
  display: flex;
  overflow-x: auto; 
  scroll-snap-type: x mandatory; 
  gap: 40px;
  width: 100%;
  margin: 40px auto;
  padding-top: 2%;
  background-color: rgba(255,255,255,1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  container-type: inline-size;
}   


.carousel-item {
  position: relative; 
  flex: 0 0 calc(25% - 30px);
  scroll-snap-align: start;
  aspect-ratio: 210 / 297;
  overflow: hidden
}

.carousel-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.carousel-item:hover img {
  transform: scale(1.09);
}

.overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 95.4%;
  opacity: 0; 
  transition: .5s ease; 
  background-color: rgba(0, 0, 0, 0.6); 
  border-radius: inherit;
  border-radius: 4px ;
  display: flex;
  justify-content: center;
  align-items: center;
}

.carousel-item:hover .overlay {
  opacity: 1; 
}

.text {
    
  color: rgb(235, 227, 227);
  font-family: sans-serif;
  font-size: clamp(0.6rem, 1.6cqw, 1.25rem);
  padding: 20px;
  text-align: center;
}

h2 {
    color: #00A3FF;
}

b {
    color: #FF3333 ;
}


.body1 {
            background-image: url('https://images5.alphacoders.com/320/320041.jpg');
            background-repeat: no-repeat;
            background-position: center top;
            background-size: cover;
            background-attachment: fixed;
            background-color: #000000;
            color: #e8e1e1;
            font-family: Arial, sans-serif;
            text-align: justify;
        }


footer {
        background-color: rgba(0, 0, 0, 0.8); 
        color: #ffffff;
        text-align: center;
        padding: 15px 0;
        font-family: Arial, sans-serif;
        font-size: 0.9em;
        width: 100%;
        margin-top: 50px;
        border-top: 1px solid #333;
    }