/* ------------------------------
   STYLE GLOBAL
------------------------------ */

body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

/* ------------------------------
   HEADER
------------------------------ */

header {
    background: #003366;
    color: white;
    padding: 15px 20px;
}

header h1 {
    margin: 0;
}

/* ------------------------------
   NAVIGATION
------------------------------ */

nav {
    background: #0055aa;
    padding: 10px 20px;
}

nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

/* ------------------------------
   CONTENU
------------------------------ */

.contenu {
    padding: 20px;
}

/* ------------------------------
   BOUTONS
------------------------------ */

.btn {
    display: inline-block;
    background: #0066cc;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    text-decoration: none;
    margin: 5px 0;
}

.btn:hover {
    background: #004c99;
}

/* ------------------------------
   FOOTER
------------------------------ */

footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 40px;
}