.site-header img {
  width: 100%;
  max-height: 200px;
  display: block;
}
.site-footer {
  position: relative;
  color: white;
  text-align: center;
  background-color: #000; /* Fallback */
  overflow: hidden;
}
/* Bannière en fond */
.footer-banner {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.25; /* Ajuste la transparence pour lisibilité */
}
.footer-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* Contenu par-dessus la bannière */
.footer-top,
.footer-bottom {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background: transparent;
}
.footer-col {
  flex: 1 1 200px;
  min-width: 200px;
}
.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li {
  margin: 0.3rem 0;
}
.footer-col a {
  color: white;
  text-decoration: none;
}
.footer-col a:hover {
  text-decoration: underline;
}
.footer-bottom {
  font-size: 0.85rem;
  padding-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    align-items: center;
  }
}