/* Scroll Animation Triggers (to be paired with Intersection Observer) */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-up.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-fade {
  opacity: 0;
  transition: opacity 1s ease;
}

.reveal-fade.active {
  opacity: 1;
}

/* Stagger delays for child element cards */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Micro Interaction Effects */
.btn-grow:hover {
  transform: scale(1.03);
}

.hover-glow:hover {
  box-shadow: 0 0 15px rgba(20, 171, 180, 0.3);
}

/* Spinning/Rotation for Scientific/Molecular Shapes */
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-slow {
  animation: spinSlow 30s linear infinite;
}

/* Floating animation for molecular elements */
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(3deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.float-slow {
  animation: float 8s ease-in-out infinite;
}

.float-slower {
  animation: float 12s ease-in-out infinite;
}

/* Text highlight shimmer effect */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer-text {
  background: linear-gradient(90deg, var(--text-heading) 0%, var(--primary) 50%, var(--text-heading) 100%);
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shimmer 12s linear infinite;
}

/* Success State Checkmark Drawing */
@keyframes stroke {
  100% { stroke-dashoffset: 0; }
}

@keyframes scale {
  0%, 100% { transform: none; }
  50% { transform: scale3d(1.1, 1.1, 1); }
}

@keyframes fill-green {
  100% { box-shadow: inset 0px 0px 0px 30px var(--primary); }
}

.success-checkmark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: block;
  stroke-width: 2;
  stroke: #FFF;
  stroke-miterlimit: 10;
  box-shadow: inset 0px 0px 0px var(--primary);
  animation: fill-green .4s ease-in-out .4s forwards, scale .3s ease-in-out .9s forwards;
  margin: 0 auto var(--space-4);
}

.success-checkmark__circle {
  stroke-width: 2;
  stroke-spacing: 10;
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-miterlimit: 10;
  stroke: var(--primary);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark__check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}