/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
  }
  70% {
    transform: scale(1.05);
    box-shadow: 0 0 0 15px rgba(37, 99, 235, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

/* Utility Classes for JS Intersection Observer */
.animate-on-scroll {
  opacity: 0;
  visibility: hidden;
}

.animate-on-scroll.is-visible {
  visibility: visible;
}

.fade-in-up {
  will-change: transform, opacity;
}

.fade-in-up.is-visible {
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.fade-in-left.is-visible {
  animation: fadeInLeft 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.fade-in-right.is-visible {
  animation: fadeInRight 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Staggered Children Animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* Specific Component Animations */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow);
  z-index: 1000;
  animation: pulse 2s infinite;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: #fff;
}