body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
}

header {
    text-align: center;
    background: white;
    padding-bottom: 10px;
}

.banner {
    width: 100%;
    max-height: 220px;
    object-fit: cover;
    display: block;
}

h1 {
    margin: 20px 0;
}

nav {
    background: #333;
    padding: 12px;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 4px;
}

nav a:hover {
    background: #555;
}

main {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 20px;
}

.section {
    background: white;
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 8px;
}

.section img {
    width: 100%;
    border-radius: 6px;
    margin-bottom: 15px;
}

.programme {
    background: white;
    padding: 25px;
    border-radius: 8px;
    line-height: 1.8;
}