/* Header scroll effect */
header.scrolled {
  background-color: rgba(0,0,0,0.85);
  backdrop-filter: blur(10px);
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

/* Animations */
.animate-fadeIn { animation: fadeIn 1s ease forwards; opacity:0; }
@keyframes fadeIn { to { opacity:1; } }
.animate-slideLeft { animation: slideLeft 1s ease forwards; opacity:0; transform: translateX(-50px);}
@keyframes slideLeft { to { opacity:1; transform: translateX(0);} }
.animate-slideRight { animation: slideRight 1s ease forwards; opacity:0; transform: translateX(50px);}
@keyframes slideRight { to { opacity:1; transform: translateX(0);} }

.animate-delay-200 { animation-delay: 0.2s; }


/* WhatsApp Floating Button */
#whatsappBtn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}
#whatsappBtn:hover {
  transform: scale(1.1);
}

/* Back to Top Button */
#backToTop {
  position: fixed;
  bottom: 100px; /* above WhatsApp button */
  right: 24px;
  z-index: 55;
  background-color: #ef6ad2;
  color: #3b0a45;
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#backToTop.show {
  opacity: 1;
  pointer-events: auto;
}

#backToTop:hover {
  transform: scale(1.1);
}

.instagram-gradient {
    background: radial-gradient(circle at 30% 107%,
        #fdf497 0%, #fdf497 5%, #fd5949 45%,
        #d6249f 60%, #285AEB 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}