/* Styles généraux */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background: #0066cc;
  color: #fff;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 { margin: 0; }

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

nav li {
  margin: 0 10px;
}

nav a {
  color: #fff;
  text-decoration: none;
  padding: 5px 10px;
  transition: background 0.3s;
}

nav a:hover, nav a.active {
  background: #004c99;
  border-radius: 5px;
}

/* Menu responsive */
#menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: #fff;
  cursor: pointer;
}

.hero {
  text-align: center;
  padding: 50px 20px;
  background: #e6f2ff;
}

footer {
  text-align: center;
  padding: 20px;
  background: #0066cc;
  color: #fff;
  margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    background: #0066cc;
    width: 100%;
  }

  nav ul.show {
    display: flex;
  }

  #menu-toggle {
    display: block;
  }
}