body { font-family: 'Inter', 'Poppins', Arial, sans-serif; 
  background: radial-gradient(ellipse at 60% 20%, #23272f 0%, #111215 100%); /* dégradé subtil */
  position: relative;
  overflow-x: hidden;
}
.parallax-bg {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 120vh;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at 60% 20%, #23272f 0%, #111215 100%);
  opacity: 0.9;
  transition: background-position 0.2s;
}
.loader-bg {
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: #111215ee;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s;
}
.loader {
  border: 6px solid #23272f;
  border-top: 6px solid #fff;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 32px #fff3;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  background: #25D366;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}

/* Repositionner la pastille WhatsApp sur mobile pour éviter le chevauchement */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 100px; /* Position plus haute pour éviter le bouton "haut de page" */
    right: 20px;
    width: 50px;
    height: 50px;
  }
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.whatsapp-tooltip {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  right: 70px;
  bottom: 16px;
  background: #222;
  color: #fff;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: opacity 0.2s;
  pointer-events: none;
}
.whatsapp-float:hover .whatsapp-tooltip {
  visibility: visible;
  opacity: 1;
}
.logo-fluxel-hero {
  transition: box-shadow 0.3s, filter 0.3s, transform 0.3s;
  box-shadow: 0 0 0px #fff0;
  filter: drop-shadow(0 0 0px #fff0);
}
.logo-fluxel-hero:hover {
  transform: scale(1.1);
}
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.card-offre {
  transition: box-shadow 0.3s, transform 0.3s;
}
.card-offre:hover {
  box-shadow: 0 8px 40px #fff2, 0 2px 24px #000a;
  transform: scale(1.035);
  border-color: #fff3;
}