/* ============================================
   ENHANCED ANIMATIONS & EFFECTS
   ============================================ */

/* Loading Spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--light-secondary);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Pulse Animation */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Bounce Animation */
.bounce {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Glow Effect */
.glow {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  transition: box-shadow var(--transition-base);
}

.glow:hover {
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

/* Gradient Background Animation */
.gradient-bg {
  background: linear-gradient(-45deg, #3B82F6, #8B5CF6, #0EA5E9, #10B981);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Typewriter Effect */
.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--primary);
  white-space: nowrap;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--primary); }
}

/* Slide In Animations */
.slide-in-top {
  animation: slideInTop 0.8s ease-out;
}

.slide-in-bottom {
  animation: slideInBottom 0.8s ease-out;
}

@keyframes slideInTop {
  from {
    opacity: 0;
    transform: translateY(-100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInBottom {
  from {
    opacity: 0;
    transform: translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scale Animations */
.scale-in {
  animation: scaleIn 0.6s ease-out;
}

.scale-out {
  animation: scaleOut 0.6s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

/* Rotate Animations */
.rotate-in {
  animation: rotateIn 0.8s ease-out;
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg);
  }
  to {
    opacity: 1;
    transform: rotate(0deg);
  }
}

/* Flip Animations */
.flip-in-x {
  animation: flipInX 0.8s ease-out;
}

.flip-in-y {
  animation: flipInY 0.8s ease-out;
}

@keyframes flipInX {
  from {
    opacity: 0;
    transform: perspective(400px) rotateX(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateX(0deg);
  }
}

@keyframes flipInY {
  from {
    opacity: 0;
    transform: perspective(400px) rotateY(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateY(0deg);
  }
}

/* Elastic Animations */
.elastic {
  animation: elastic 1s ease-out;
}

@keyframes elastic {
  0% { transform: scale(0); }
  50% { transform: scale(1.1); }
  75% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

/* Wobble Effect */
.wobble {
  animation: wobble 1s ease-in-out;
}

@keyframes wobble {
  0% { transform: translateX(0%); }
  15% { transform: translateX(-25px) rotate(-5deg); }
  30% { transform: translateX(20px) rotate(3deg); }
  45% { transform: translateX(-15px) rotate(-3deg); }
  60% { transform: translateX(10px) rotate(2deg); }
  75% { transform: translateX(-5px) rotate(-1deg); }
  100% { transform: translateX(0%); }
}

/* Particle Effect Background */
.particles {
  position: relative;
  overflow: hidden;
}

.particles::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 160px 30px, rgba(255,255,255,0.2), transparent);
  background-repeat: repeat;
  background-size: 200px 100px;
  animation: particleMove 20s linear infinite;
  pointer-events: none;
}

@keyframes particleMove {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-100px); }
}

/* Glass Morphism Effect */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Neon Glow Effect */
.neon {
  text-shadow: 
    0 0 5px var(--primary),
    0 0 10px var(--primary),
    0 0 15px var(--primary),
    0 0 20px var(--primary);
  animation: neonFlicker 2s infinite alternate;
}

@keyframes neonFlicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Hover Animations */
.hover-grow {
  transition: transform var(--transition-base);
}

.hover-grow:hover {
  transform: scale(1.05);
}

.hover-shrink {
  transition: transform var(--transition-base);
}

.hover-shrink:hover {
  transform: scale(0.95);
}

.hover-rotate {
  transition: transform var(--transition-base);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

.hover-tilt {
  transition: transform var(--transition-base);
}

.hover-tilt:hover {
  transform: perspective(1000px) rotateX(10deg) rotateY(10deg);
}

/* Button Ripple Effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Stagger Animation Delays */
.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; }

/* Responsive Animation Controls */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}