/* Styles généraux */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #222;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header */
header {
    background: #007bff;
    color: white;
    padding: 20px 0;
    text-align: center;
    font-weight: 600;
    font-size: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}

/* Navigation */
nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    background: white;
    padding: 15px 0;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.05);
}

nav a {
    color: #007bff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #0056b3;
}

/* Section principale */
main {
    padding: 40px 20px;
    text-align: center;
}

section {
    background: white;
    padding: 30px;
    margin: 20px 0;
    border-radius: 12px;
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

section:hover {
    transform: translateY(-5px);
}

/* Footer */
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 10px;
    }
}