/* styles.css */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f9;
    color: #333;
}

header {
    background: linear-gradient(135deg, #1e88e5, #90caf9); /* Bleu dégradé */
    color: #fff;
    padding: 2.5rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 3rem;
}

header p {
    margin: 0.5rem 0;
    font-size: 1.2rem;
}

nav {
    background: #ffffff;
    border-bottom: 2px solid #dddddd;
    display: flex;
    justify-content: center;
    padding: 1rem 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

nav a {
    margin: 0 15px;
    font-size: 1.1rem;
    text-decoration: none;
    color: #1e88e5;
    font-weight: bold;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    border: 2px solid transparent;
    border-radius: 5px;
    transition: all 0.3s ease;
}

nav a:hover {
    border-color: #1e88e5;
    background-color: #e3f2fd;
    color: #333;
}

.container {
    max-width: 1100px;
    margin: 30px auto;
    padding: 2rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.container h2 {
    text-align: center;
    color: #1e88e5;
    margin-bottom: 1.5rem;
}

.container p {
    line-height: 1.8;
}

img {
    display: block;
    margin: 20px auto;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

footer {
    background: #1e88e5;
    color: #fff;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 30px;
    font-size: 0.9rem;
}

footer p {
    margin: 0;
}

@media (max-width: 768px) {
    nav a {
        display: block;
        margin: 10px 0;
    }

    .container {
        padding: 1.5rem;
    }
}