body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

h1 {
  margin-bottom: 5px;
}

nav a {
  text-decoration: none;
  color: #0077cc;
  margin: 0 5px;
}

/* bouton hamburger fixe */
#menu-btn {
  position: fixed;
  top: 15px;
  right: 15px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.3s;
  z-index: 1001;
}

#menu-btn:hover {
  opacity: 1;
}

#menu-btn svg {
  width: 100%;
  height: 100%;
  fill: #000;
}

/* modal */
#menu-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  width: 85%;
  max-width: 900px;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  border-radius: 10px;
  padding: 20px;
  z-index: 2000;
}

#menu-modal.open {
  display: block;
}

/* contenu du menu */
#menu-modal .menu-content {
  text-align: center;
}

#menu-modal .menu-content a {
  display: block;
  margin: 15px 0;
  font-size: 1.4em;
  color: #0077cc;
  text-decoration: none;
}

#menu-modal .menu-content a:hover {
  text-decoration: underline;
}

/* bouton de fermeture */
#menu-modal .close-btn {
  display: block;
  margin-top: 20px;
  font-size: 1.2em;
  cursor: pointer;
  color: #333;
}

#menu-modal a {
    cursor: pointer;      /* curseur main pour tous les liens du menu */
    text-decoration: none;
    color: #333;
    display: block;
    padding: 10px 0;
    font-size: 1.2em;
}

#menu-modal a:hover {
    text-decoration: underline;
    color: #0077cc;
}