/* Animation & FX Library - Built-in Pure CSS Effects Framework */

/* 1. Entrances & Keyframe Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmerGlow {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 2. Utility Classes */
.animate-fade-in { animation: fadeIn 0.4s ease-out forwards; }
.animate-slide-up { animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-slide-down { animation: slideDown 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-scale-up { animation: scaleUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-float { animation: floatSlow 4s ease-in-out infinite; }

/* 3. Skeleton Loading Shimmer Effect */
.shimmer {
  background: linear-gradient(90deg, #1e293b 25%, #334155 50%, #1e293b 75%);
  background-size: 200% 100%;
  animation: shimmerGlow 1.5s infinite;
}

/* 4. Interactive Hover Micro-Effects */
.fx-glow-hover {
  transition: all 0.3s ease;
}

.fx-glow-hover:hover {
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.6);
  border-color: rgba(99, 102, 241, 0.8);
}

.fx-card-tilt {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fx-card-tilt:hover {
  transform: translateY(-6px) rotateX(2deg) rotateY(-2deg);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.5);
}