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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    padding: 0;
    margin: 0;
}

/* Conteneur principal */
article {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* En-tête */
header {
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 40px;
}

h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.meta {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Sections */
section {
    margin-bottom: 40px;
    padding: 0 15px;
}

h2 {
    color: #2980b9;
    font-size: 1.8rem;
    margin: 30px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
}

h3 {
    color: #16a085;
    font-size: 1.4rem;
    margin: 25px 0 15px;
}

p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Listes */
ul, ol {
    margin: 20px 0;
    padding-left: 30px;
}

li {
    margin-bottom: 10px;
}

/* FAQ */
.faq-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 15px;
    border-left: 4px solid #3498db;
}

.faq-item h3 {
    color: #2c3e50;
    margin-top: 0;
}

/* Pied de page */
footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-style: italic;
}

/* Liens */
a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    article {
        padding: 15px;
    }
}

/* Mise en valeur */
strong {
    color: #e74c3c;
}

/* Encadrés importants */
.important {
    background: #fffde7;
    padding: 20px;
    border-left: 4px solid #fbc02d;
    margin: 20px 0;
}

nav {
            background-color: #f44336;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 30px;
        }
        nav ul {
            list-style-type: none;
            padding: 0;
            margin: 0;
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
        }
        nav li {
            margin: 5px 0;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: bold;
            padding: 5px 10px;
            border-radius: 3px;
            transition: background-color 0.3s;
        }
        nav a:hover {
            background-color: #d32f2f;
        }