.site-footer {
  background-color: var(--blanc);
  padding: 80px 50px 30px 50px;
  width: 100%;
}

.footer-conteneur {
  max-width: 1400px;
  margin: 0 auto;
}

/* Grille fluide : 4 colonnes sur grand écran */
.footer-colonnes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 50px;
  margin-bottom: 60px;
  justify-items: center;
}

.footer-col {
  display: flex;
  flex-direction: column;
  text-align: left;
  width: 100%;
  max-width: 260px;
}

.footer-col h3 {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--noir);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col li, 
.footer-col a {
  font-family: 'Work Sans', sans-serif;
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--noir);
  text-decoration: none;
  transition: all var(--transition-rapide);
}

.footer-col a:hover {
  color: var(--brun2);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bas {
  text-align: center;
  padding-top: 30px;
  width: 100%;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-bas a {
  font-family: 'Work Sans', sans-serif;
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--noir);
  text-decoration: none;
  transition: color var(--transition-rapide);
}

.footer-bas a:hover {
  color: var(--brun2);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* RESPONSIVE FOOTER */

/* Tablette / Écrans intermédiaires */
@media (max-width: 1100px) {
  .site-footer {
    padding: 60px 40px 30px 40px;
  }
  .footer-colonnes {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Téléphone */
@media (max-width: 576px) {
  .site-footer {
    padding: 40px 20px 20px 20px;
  }
  .footer-colonnes {
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 280px;
  }
}

/* Très petits écrans / 320px */
@media (max-width: 320px) {
  .site-footer {
    padding: 30px 15px 15px 15px;
  }
  .footer-colonnes {
    max-width: 100%;
  }
}

/* Styles du Pop-up de notification */
.message-copie {
  font-family: 'Work Sans', sans-serif;
  font-size: 0.85rem;
  color: #777777;
  margin-left: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.message-copie.visible {
  opacity: 1;
}

.popup-notification {
  position: fixed;
  bottom: 40px;
  right: 40px;
  padding: 16px 24px;
  border-radius: 12px;
  color: var(--blanc);
  font-family: 'Work Sans', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  box-shadow: var(--ombre-survol);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-rapide);
}

.popup-notification.afficher {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.popup-notification.succes { background-color: #2e7d32; }
.popup-notification.erreur { background-color: #d32f2f; }