/* Modern Animations & Micro-interactions */

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

@keyframes fadeInDown {
  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 slideInUp {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

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

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

/* Animation Classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.5s ease-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.8s ease-out;
}

.animate-slide-in-down {
  animation: slideInDown 0.8s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.animate-bounce {
  animation: bounce 1s ease-in-out;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-rotate {
  animation: rotate 2s linear infinite;
}

.animate-gradient {
  background: linear-gradient(-45deg, var(--primary-500), var(--primary-600), var(--secondary-500), var(--primary-500));
  background-size: 400% 400%;
  animation: gradientShift 3s ease infinite;
}

/* Staggered 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; }

/* Hover Effects */
.hover-lift {
  transition: var(--transition-all);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.hover-scale {
  transition: var(--transition-all);
}

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

.hover-glow {
  transition: var(--transition-all);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

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

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

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 1.5s infinite;
}

/* Scroll-triggered Animations */
.scroll-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.scroll-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.6s ease-out;
}

.scroll-scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

.scroll-slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.scroll-slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.scroll-slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Interactive Elements */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-all);
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: scale(0.98);
}

/* Card Interactions */
.card-interactive {
  transition: var(--transition-all);
  cursor: pointer;
}

.card-interactive:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.card-interactive:active {
  transform: translateY(-4px) scale(1.01);
}

/* Navigation Animations */
.nav-links a {
  position: relative;
  transition: var(--transition-all);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--brand-primary);
  transition: var(--transition-all);
  transform: translateX(-50%);
}

.nav-links a:hover::after {
  width: 80%;
}

/* Form Animations */
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  transform: scale(1.02);
}

/* Success/Error States */
.success-animation {
  animation: scaleIn 0.3s ease-out;
}

.error-shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Progress Indicators */
.progress-bar {
  position: relative;
  overflow: hidden;
  background: var(--gray-200);
  border-radius: var(--radius-full);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

/* Parallax Effects */
.parallax {
  transform: translateZ(0);
  will-change: transform;
}

/* Hero Image Enhancements */
.hero-image-overlay {
  position: relative;
  overflow: hidden;
}

.hero-image-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, 
    rgba(99, 102, 241, 0.1) 0%, 
    rgba(79, 70, 229, 0.1) 50%, 
    rgba(67, 56, 202, 0.1) 100%
  );
  animation: overlayShift 8s ease-in-out infinite alternate;
}

@keyframes overlayShift {
  0% {
    opacity: 0.3;
    transform: translateX(-10px) translateY(-10px);
  }
  100% {
    opacity: 0.6;
    transform: translateX(10px) translateY(10px);
  }
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus States */
.focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .animate-fade-in-up,
  .animate-fade-in-down,
  .animate-fade-in-left,
  .animate-fade-in-right,
  .animate-scale-in,
  .animate-slide-in-up,
  .animate-slide-in-down,
  .animate-slide-in-left,
  .animate-slide-in-right,
  .animate-bounce,
  .animate-pulse,
  .animate-float,
  .animate-rotate {
    animation: none;
  }
  
  .scroll-fade-in,
  .scroll-scale-in,
  .scroll-slide-in-left,
  .scroll-slide-in-right {
    opacity: 1;
    transform: none;
  }
}

/* Performance Optimizations */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
}

/* Custom Cursor */
.custom-cursor {
  cursor: pointer;
}

.custom-cursor:hover {
  cursor: pointer;
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--brand-primary);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* Typing Animation */
.typing-animation {
  overflow: hidden;
  border-right: 2px solid var(--brand-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(--brand-primary); }
}

/* Morphing Shapes */
.morph-shape {
  transition: var(--transition-all);
}

.morph-shape:hover {
  border-radius: var(--radius-2xl);
}

/* Glitch Effect */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  animation: glitch-1 0.5s infinite;
  color: var(--secondary-500);
  z-index: -1;
}

.glitch::after {
  animation: glitch-2 0.5s infinite;
  color: var(--primary-500);
  z-index: -2;
}

@keyframes glitch-1 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(2px, 2px); }
  60% { transform: translate(-2px, -2px); }
  80% { transform: translate(-2px, 2px); }
}