/* Vidéo fullscreen en arrière-plan */
.video-background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.video-background {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
  z-index: -1;
}

/* Contenu principal */
main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Boutons */
.button-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
}

.link-button {
  text-decoration: none;
  color: #000;
  background-color: #4682B4;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: bold;
  transition: transform 0.3s, box-shadow 0.3s, opacity 0.3s;
}

.link-button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  opacity: 0.8;
}

.button1 { background-color: #a2dbf7; }
.button2 { background-color: #bdf7c7; }
.button3 { background-color: #c48b29; }