/* ============================================
   ANIMATIONS.CSS - Keyframes & Animations
   Reusable animation definitions
   ============================================ */

/* Fade Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@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);
  }
}

/* Scale Animations */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.9);
  }
}

/* Pulse Animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Pulse Dot (for availability badge) */
@keyframes pulseDot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulseDot 2s ease-in-out infinite;
}

.dark .pulse-dot {
  box-shadow: var(--digital-glow-red-sm);
}

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

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

/* Bounce Animation */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Slide Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Glow Pulse (Digital mode) */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.4);
  }
  50% {
    box-shadow: 0 0 25px rgba(255, 0, 0, 0.7), 0 0 50px rgba(255, 0, 0, 0.4);
  }
}

.dark .glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

/* Text Gradient Animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.text-gradient-animated {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-hover), var(--accent-primary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 3s ease infinite;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.7;
  transition: opacity var(--transition-base);
  animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator:hover {
  opacity: 1;
}

.mouse {
  width: 28px;
  height: 45px;
  border: 2px solid var(--text-secondary);
  border-radius: 20px;
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 2px;
  animation: mouseWheel 1.5s ease-in-out infinite;
}

@keyframes mouseWheel {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(12px);
  }
}

.scroll-indicator p {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Page Loader */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
}

.loader-spinner {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 4px solid transparent;
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

.spinner-ring:nth-child(2) {
  width: 70px;
  height: 70px;
  top: 5px;
  left: 5px;
  animation-delay: 0.1s;
  border-top-color: var(--accent-hover);
}

.spinner-ring:nth-child(3) {
  width: 50px;
  height: 50px;
  top: 15px;
  left: 15px;
  animation-delay: 0.2s;
}

.loader-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  animation: pulse 1.5s ease-in-out infinite;
}

/* Lazy Image Loading */
img.lazy-image {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

img.lazy-image.loaded {
  opacity: 1;
}

/* Utility Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.fade-out {
  animation: fadeOut 0.6s ease-out;
}

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

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

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

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

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

  .scroll-indicator {
    animation: none;
  }

  .wheel {
    animation: none;
  }

  .pulse-dot {
    animation: none;
  }
}