/* Styles généraux */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo img {
    height: 50px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

main {
    padding: 2rem 5%;
    text-align: center;
}

section {
    padding: 4rem 0;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: #005A8D;
}

.subtitle {
    font-size: 1.2rem;
    color: #555;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    margin-top: 1rem;
    background-color: #005A8D;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #003F64;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-item {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: left;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: #fff;
    margin-top: 2rem;
}