/* ============================================================================
   LUMENARY GALLERY - ANIMATION SYSTEM
   Scroll-triggered animations, parallax effects, and interactive transitions
   ============================================================================ */

/* ========================================
   SCROLL-TRIGGERED ANIMATIONS
   ======================================== */

/* Fade In - Base state */
.fade-in {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

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

/* Fade In Up */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-smooth);
}

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

/* Fade In Down */
.fade-in-down {
  opacity: 0;
  transform: translateY(-40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-smooth);
}

.fade-in-down-active {
  opacity: 1;
  transform: translateY(0);
}

/* Fade In Left */
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-smooth);
}

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

/* Fade In Right */
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-smooth);
}

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

/* Slide Up */
.slide-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-smooth);
}

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

/* Scale In */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-smooth);
}

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

/* Zoom In */
.zoom-in {
  opacity: 0;
  transform: scale(0.5);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-elastic);
}

.zoom-in-active {
  opacity: 1;
  transform: scale(1);
}

/* Blur In */
.blur-in {
  opacity: 0;
  filter: blur(20px);
  transition: opacity var(--duration-slower) var(--ease-out),
              filter var(--duration-slower) var(--ease-smooth);
}

.blur-in-active {
  opacity: 1;
  filter: blur(0);
}

/* Stagger delays for sequential animations */
.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 100ms; }
.stagger-3 { transition-delay: 200ms; }
.stagger-4 { transition-delay: 300ms; }
.stagger-5 { transition-delay: 400ms; }
.stagger-6 { transition-delay: 500ms; }
.stagger-7 { transition-delay: 600ms; }

/* ========================================
   GLOW ANIMATIONS
   ======================================== */

/* Pulsing glow effect */
@keyframes glow-pulse-primary {
  0%, 100% {
    box-shadow: var(--glow-primary-sm);
  }
  50% {
    box-shadow: var(--glow-primary-lg);
  }
}

@keyframes glow-pulse-secondary {
  0%, 100% {
    box-shadow: var(--glow-secondary-sm);
  }
  50% {
    box-shadow: var(--glow-secondary-lg);
  }
}

@keyframes glow-pulse-accent {
  0%, 100% {
    box-shadow: var(--glow-accent-sm);
  }
  50% {
    box-shadow: var(--glow-accent-md);
  }
}

/* Text glow pulse */
@keyframes text-glow-pulse {
  0%, 100% {
    text-shadow: var(--text-glow-primary);
  }
  50% {
    text-shadow: 0 0 15px rgba(0, 255, 213, 0.7),
                 0 0 30px rgba(0, 255, 213, 0.5),
                 0 0 45px rgba(0, 255, 213, 0.3);
  }
}

/* Utility classes for glow animations */
.glow-pulse {
  animation: glow-pulse-primary 3s var(--ease-in-out) infinite;
}

.glow-pulse-slow {
  animation: glow-pulse-primary 5s var(--ease-in-out) infinite;
}

.text-glow-pulse {
  animation: text-glow-pulse 3s var(--ease-in-out) infinite;
}

/* ========================================
   SHIMMER EFFECTS
   ======================================== */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

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

.shimmer {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0, 255, 213, 0.2) 50%,
    transparent 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 3s linear infinite;
}

.shimmer-border {
  position: relative;
  overflow: hidden;
}

.shimmer-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(
    90deg,
    var(--color-primary-100),
    var(--color-secondary-100),
    var(--color-accent-100),
    var(--color-primary-100)
  );
  background-size: 200% 100%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box,
                linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: shimmer-border 3s linear infinite;
}

/* ========================================
   PARALLAX EFFECTS
   ======================================== */

.parallax {
  transition: transform 0.1s linear;
  will-change: transform;
}

.parallax-slow {
  transition: transform 0.3s linear;
}

/* Parallax layers with different speeds */
.parallax-layer-1 {
  transform: translateZ(0);
}

.parallax-layer-2 {
  transform: translateZ(0);
}

.parallax-layer-3 {
  transform: translateZ(0);
}

/* ========================================
   HOVER STATES & INTERACTIONS
   ======================================== */

/* Lift on hover */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

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

/* Glow on hover */
.hover-glow {
  transition: box-shadow var(--duration-slow) var(--ease-glow);
}

.hover-glow:hover {
  box-shadow: var(--glow-primary-md);
}

/* Scale on hover */
.hover-scale {
  transition: transform var(--duration-normal) var(--ease-smooth);
}

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

/* Tilt effect on hover */
.hover-tilt {
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.hover-tilt:hover {
  transform: perspective(1000px) rotateX(2deg) rotateY(-2deg);
}

/* Border glow on hover */
.hover-border-glow {
  position: relative;
  transition: var(--transition-base);
}

.hover-border-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    var(--color-primary-100),
    var(--color-secondary-100)
  );
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-glow);
  z-index: -1;
  filter: blur(8px);
}

.hover-border-glow:hover::before {
  opacity: 1;
}

/* ========================================
   LOADING & SKELETON STATES
   ======================================== */

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

.skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-white-5) 0%,
    var(--glass-white-10) 50%,
    var(--glass-white-5) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-lg);
}

/* Spinner animation */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  animation: spin 1s linear infinite;
}

/* ========================================
   FLOATING ANIMATIONS
   ======================================== */

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

.float {
  animation: float 3s var(--ease-in-out) infinite;
}

.float-slow {
  animation: float 6s var(--ease-in-out) infinite;
}

.float-subtle {
  animation: float-subtle 4s var(--ease-in-out) infinite;
}

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */

/* Slide reveal (used for navigation, modals) */
@keyframes slide-in-from-top {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

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

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

/* Utility classes */
.reveal-top {
  animation: slide-in-from-top var(--duration-slow) var(--ease-smooth);
}

.reveal-bottom {
  animation: slide-in-from-bottom var(--duration-slow) var(--ease-smooth);
}

.reveal-left {
  animation: slide-in-from-left var(--duration-slow) var(--ease-smooth);
}

.reveal-right {
  animation: slide-in-from-right var(--duration-slow) var(--ease-smooth);
}

/* ========================================
   GRADIENT ANIMATIONS
   ======================================== */

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

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

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

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

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

.gradient-animate {
  background-size: 200% 200%;
  animation: gradient-shift 5s var(--ease-in-out) infinite;
}

/* ========================================
   RIPPLE EFFECT
   ======================================== */

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  margin: -50px 0 0 -50px;
  border-radius: 50%;
  background: var(--glass-teal-20);
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

.ripple-effect:active::after {
  animation: ripple 0.6s var(--ease-out);
}

/* ========================================
   TYPING INDICATOR
   ======================================== */

@keyframes typing-dot {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-10px);
    opacity: 1;
  }
}

.typing-indicator {
  display: inline-flex;
  gap: 4px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary-100);
  animation: typing-dot 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

/* ========================================
   PROGRESS INDICATORS
   ======================================== */

@keyframes progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(400%);
  }
}

.progress-bar {
  position: relative;
  height: 4px;
  background: var(--glass-white-5);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--color-primary-100),
    var(--color-secondary-100)
  );
  border-radius: var(--radius-full);
  box-shadow: var(--glow-primary-sm);
  transition: width var(--duration-normal) var(--ease-out);
}

.progress-bar--indeterminate .progress-bar__fill {
  width: 25%;
  animation: progress-indeterminate 1.5s var(--ease-in-out) infinite;
}

/* ========================================
   ATTENTION SEEKERS
   ======================================== */

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

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

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

.pulse {
  animation: pulse-scale 2s var(--ease-in-out) infinite;
}

.shake {
  animation: shake 0.5s var(--ease-in-out);
}

.bounce {
  animation: bounce-small 1s var(--ease-in-out) infinite;
}

/* ========================================
   ENHANCED AESTHETIC ANIMATIONS
   ======================================== */

/* Rotating gradient border animation */
@keyframes rotate-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Subtle shimmer effect */
@keyframes shimmer-enhanced {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Pulsing glow effect */
@keyframes pulse-glow-enhanced {
  0%, 100% {
    filter: drop-shadow(0 0 8px rgba(0, 255, 213, 0.4))
            drop-shadow(0 0 16px rgba(0, 255, 213, 0.2));
  }
  50% {
    filter: drop-shadow(0 0 12px rgba(0, 255, 213, 0.6))
            drop-shadow(0 0 24px rgba(0, 255, 213, 0.3))
            drop-shadow(0 0 36px rgba(139, 92, 246, 0.2));
  }
}

/* Floating micro-movement */
@keyframes float-subtle {
  0%, 100% {
    transform: translateY(0px) translateX(0px);
  }
  33% {
    transform: translateY(-3px) translateX(2px);
  }
  66% {
    transform: translateY(2px) translateX(-2px);
  }
}

/* ========================================
   SCROLL PROGRESS INDICATOR
   ======================================== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: var(--z-fixed);
}

.scroll-progress__bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--color-primary-100),
    var(--color-secondary-100),
    var(--color-accent-100)
  );
  box-shadow: var(--glow-primary-md);
  transform-origin: left;
  transition: transform 0.1s linear;
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Use GPU acceleration for smooth animations */
.will-change-transform {
  will-change: transform;
}

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

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

/* Prevent layout shifts during animations */
.contain-layout {
  contain: layout;
}

.contain-paint {
  contain: paint;
}

/* ========================================
   REDUCED MOTION SUPPORT
   ======================================== */

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

  .parallax,
  .float,
  .float-slow,
  .float-subtle {
    animation: none;
  }
}