html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

.background-wrapper {
  position: relative;
  width: 100%;
  min-height: 100vh; /* pour que ça couvre tout l'écran */
  background-image: url('../images/background.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* masque noir semi-transparent */
  z-index: 1;
}

.content {
  position: relative;
  z-index: 2;
  padding: 2rem;
  color: white;
}

h1, h2, h3, h4, h5, h6 {
  color: white;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

p {
  color: black;
  font-size: 1.25rem;
}