/* Keyframes */
@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 scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(79, 70, 229, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 70, 229, 0); }
}

/* Utility Animation Classes (Intersection Observer Triggers) */
.animate {
  opacity: 0; /* Hidden by default until JS observer triggers */
  animation-duration: 0.8s;
  animation-fill-mode: forwards;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.animate.is-visible.fade-in-up {
  animation-name: fadeInUp;
}

.animate.is-visible.fade-in-left {
  animation-name: fadeInLeft;
}

.animate.is-visible.fade-in-right {
  animation-name: fadeInRight;
}

.animate.is-visible.scale-in {
  animation-name: scaleIn;
}

/* Staggered Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Continuous Animations */
.float {
  animation: float 6s ease-in-out infinite;
}

.float-delayed {
  animation: float 6s ease-in-out infinite;
  animation-delay: 3s;
}