/* Bouton de retour - Position fixe en bas à gauche */
.back-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 999;
  width: 50px;
  height: 50px;
  background-color: #B78F62;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 1;
  pointer-events: auto;
}

.back-button:hover {
  background-color: #9a7549;
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.back-button:active {
  transform: scale(0.95);
}

/* Flèche de retour */
.back-button svg {
  width: 24px;
  height: 24px;
  fill: white;
  transition: transform 0.3s ease;
}

.back-button:hover svg {
  transform: translateX(-2px);
}

/* Animation scroll-hide */
.back-button.scroll-hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
}

.back-button {
  transition: opacity 0.3s ease, transform 0.3s ease;
  will-change: opacity, transform;
}

/* Responsive - Téléphone */
@media (max-width: 640px) {
  .back-button {
    width: 45px;
    height: 45px;
    bottom: 75px; /* Positionné au-dessus du bouton contact (qui est à ~20px du bas + hauteur ~35px) */
    left: 20px; /* À gauche, au même endroit que le bouton "Nous contacter" */
    right: auto; /* Annuler la position right */
  }
  
  .back-button svg {
    width: 20px;
    height: 20px;
  }
}

/* Responsive - Tablette */
@media (min-width: 641px) and (max-width: 1024px) {
  .back-button {
    width: 48px;
    height: 48px;
    bottom: 80px; /* Positionné au-dessus du bouton contact */
    left: 20px; /* À gauche, au même endroit que le bouton "Nous contacter" */
    right: auto; /* Annuler la position right */
  }
  
  .back-button svg {
    width: 22px;
    height: 22px;
  }
}

/* Responsive - Desktop */
@media (min-width: 1025px) {
  .back-button {
    width: 50px;
    height: 50px;
    bottom: 20px;
    left: 20px;
  }
  
  .back-button svg {
    width: 24px;
    height: 24px;
  }
}