/* Styles généraux */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

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

nav li {
    display: inline;
    margin-right: 20px;
}

nav a {
    text-decoration: none;
    color: #fff;
    font-weight: bold;
}

/* Section Services */
#services {
    background-color: #fff;
    padding: 40px;
}

/* Section Portfolio */
#portfolio {
    background-color: #f0f0f0;
    padding: 40px;
}

/* Section Contact */
#contact {
    background-color: #255E57;
    color: #fff;
    padding: 40px;
}

/* Footer */
footer {
    text-align: center;
    padding: 10px 0;
    background-color: #333;
    color: #fff;
}