/* Polices générales */
body {
    font-family: Georgia, serif;
    background-color: #fdfcf9;
    color: #1a1a1a;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    font-size: 18px;
}

/* Conteneur central */
.container {
    max-width: 800px;
    margin: auto;
    padding: 20px;
}

/* Navigation principale */
nav {
    background-color: #3a3a3a;
    padding: 15px 0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

nav ul li a:hover {
    text-decoration: underline;
}

/* Titres */
h1, h2, h3 {
    font-family: 'Georgia', serif;
    color: #2a2a2a;
    margin-top: 1.2em;
}

/* Paragraphes et contenu */
p {
    margin: 1em 0;
}

/* Liens */
a {
    color: #0066cc;
}

a:hover {
    text-decoration: underline;
}

/* Zone de présentation ou article */
section, article {
    background-color: white;
    padding: 20px;
    margin: 20px 0;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

/* Pied de page */
footer {
    background-color: #3a3a3a;
    color: white;
    text-align: center;
    padding: 15px;
    font-size: 16px;
    margin-top: 40px;
}

/* Responsive : navigation en colonne sur petit écran */
@media (max-width: 600px) {
    nav ul li {
        display: block;
        margin: 10px 0;
    }

    body {
        font-size: 16px;
    }
}