body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background-color: #d32f2f; /* Rouge turc */
    color: white;
    padding: 1rem;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    background-color: #1976d2; /* Bleu français */
}

nav ul li {
    display: inline;
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: block;
}

nav ul li a:hover {
    background-color: #1565c0;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    background: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

section {
    margin-bottom: 2rem;
}

h1, h2, h3 {
    color: #d32f2f;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1rem auto;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    position: fixed;
    bottom: 0;
    width: 100%;
}

@media (max-width: 768px) {
    nav ul li {
        display: block;
        margin: 0;
    }
    footer {
        position: relative;
    }
}