body{
    font-family: Arial, sans-serif;
    color: white;
    min-height: 100vh;
    margin: 0;
    background-image: url("../img/fond.jpg");
    background-size: cover;     
    background-position: center;  
    background-repeat: no-repeat;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.menu {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
}

.menu ul {
    display: flex;
    justify-content: center;
    gap: 40px;
    list-style: none;
}

.menu a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    transition: 0.3s;
}

.menu a:hover {
    color: #ffd700;
}

.titre-accueil {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 80vh; 
    text-shadow: 1px 1px 4px black;
}

.titre-accueil h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.titre-accueil p {
    font-size: 1.5rem;
}

.strict-titre{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 10vh; 
    text-shadow: 1px 1px 4px black;
}


.graph {
    background: white;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 40px auto; 
    width: 800px; 
    height: 400px;
    padding: 20px;
}


.table-container {
    width: 80%;
    max-width: 900px;
    margin: 30px auto;
}

#data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    color: black;
    text-align: center;
}

#data-table th, #data-table td {
    border: 1px solid black;
    padding: 8px;
}

#data-table th {
    background-color: #a85e5edb;
    color:white;
}

.ia-strict-graph,
.ia-strict-table,
.ia-hybride {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    padding-bottom:10vh;
}


footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 0;
    font-size: 1rem;
    z-index: 1000;      
}

h2 {
    text-align: center;
    padding:10px;
}

h2 span {
    display: inline-block;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 10px 20px;
    border-radius: 8px;
    color: white;
}

#video iframe, #video video {
    display: block;
    margin: 0 auto;
}