/* Animation Utilities */

/* Typing Animation */
.typing-cursor {
  display: inline-block;
  background-color: var(--brand);
  width: 2px;
  animation: typing-blink 1s step-end infinite;
}

.typing-text {
  position: relative;
  display: inline-block;
}

@keyframes typing-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Particle Animation Helpers */
.canvas-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.canvas-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Reduced Motion Fallbacks */
@media (prefers-reduced-motion: reduce) {
  .typing-cursor {
    animation: none;
    opacity: 1;
  }
  
  .hero__headline,
  .hero__cta {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
  
  .card:hover,
  .project-card:hover,
  .btn--primary:hover,
  .btn--primary:active {
    transform: none !important;
  }
  
  .project-card__image img {
    transform: none !important;
  }
  
  /* Show static gradient background instead of particles */
  .hero__canvas {
    background: linear-gradient(135deg, 
      rgba(var(--brand), 0.1) 0%, 
      rgba(var(--brand-2), 0.05) 50%, 
      rgba(var(--brand), 0.1) 100%);
  }
}

/* Entrance Animations */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn var(--dur-slow) var(--ease) forwards;
}

.animate-fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp var(--dur-slow) var(--ease) forwards;
}

.animate-fade-in-down {
  opacity: 0;
  transform: translateY(-20px);
  animation: fadeInDown var(--dur-slow) var(--ease) forwards;
}

.animate-scale-in {
  opacity: 0;
  transform: scale(0.95);
  animation: scaleIn var(--dur-slow) var(--ease) forwards;
}

/* Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-500 { animation-delay: 500ms; }
.delay-700 { animation-delay: 700ms; }
.delay-1000 { animation-delay: 1000ms; }

/* Keyframe Definitions */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

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

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

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

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

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale {
  transition: transform var(--dur-base) var(--ease);
}

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

.hover-glow {
  transition: box-shadow var(--dur-base) var(--ease);
}

.hover-glow:hover {
  box-shadow: var(--shadow-brand-lg);
}

/* Focus Animations */
.focus-ring {
  transition: all var(--dur-fast) var(--ease);
}

.focus-ring:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(var(--brand), 0.1);
}

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

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(var(--text), 0.1), 
    transparent
  );
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Stagger Animations for Lists */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp var(--dur-slow) var(--ease) forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 100ms; }
.stagger-children > *:nth-child(3) { animation-delay: 200ms; }
.stagger-children > *:nth-child(4) { animation-delay: 300ms; }
.stagger-children > *:nth-child(5) { animation-delay: 400ms; }
.stagger-children > *:nth-child(6) { animation-delay: 500ms; }

/* Page Transitions */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--dur-slow) var(--ease);
}

.page-exit {
  opacity: 1;
  transform: translateY(0);
}

.page-exit-active {
  opacity: 0;
  transform: translateY(-20px);
  transition: all var(--dur-slow) var(--ease);
}

/* Micro-interactions */
.btn-press {
  transition: transform var(--dur-fast) var(--ease);
}

.btn-press:active {
  transform: scale(var(--scale-press));
}

.card-float {
  transition: all var(--dur-base) var(--ease);
}

.card-float:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hover-lift:hover,
  .hover-scale:hover,
  .card-float:hover,
  .btn-press:active {
    transform: none;
  }
}

/* High contrast mode adjustments */
@media (prefers-contrast: high) {
  .typing-cursor {
    background-color: currentColor;
  }
  
  .focus-ring:focus-visible {
    outline-color: currentColor;
    box-shadow: 0 0 0 4px currentColor;
  }
}