/* Réinitialisation des marges et des paddings */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Style global */
body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

/* En-tête */
header {
  background-color: #333;
  color: white;
  padding: 10px 20px;
  text-align: center;
}

header h1 {
  margin-bottom: 10px;
}

header nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

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

/* Contenu principal */
main {
  padding: 20px;
}

h2 {
  text-align: center;
  margin-bottom: 20px;
}

.stage {
  background-color: white;
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.stage h3 {
  margin-bottom: 10px;
}

.stage p {
  margin-bottom: 10px;
}

.stage .btn {
  display: inline-block;
  background-color: #333;
  color: white;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  text-align: center;
}

.stage .btn:hover {
  background-color: #555;
}

/* Pied de page */
footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 10px;
  position: fixed;
  bottom: 0;
  width: 100%;
}