/**
 * 吉他维修服务 - 动画效果
 * Premium, Professional, Heritage Craftsmanship
 * Elegant animations with gold accents
 */

/* ========================================
   Premium Keyframe Animations
   ======================================== */

/* Fade in with elegance */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Fade in up - smooth and controlled */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in down - gentle entrance */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Slide in from right - elegant entrance */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale in with sophistication */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Premium glow effect - gold shimmer */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--color-accent-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--color-accent-glow),
                0 0 60px rgba(212, 175, 55, 0.5);
  }
}

/* Subtle pulse - refined breathing effect */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Elegant spin - smooth rotation */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Gentle bounce - controlled elevation */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Premium shake - refined attention */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-4px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(4px);
  }
}

/* Progress bar - smooth fill */
@keyframes progress {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}

/* Shimmer effect - golden sheen */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Gold shimmer sweep - premium accent */
@keyframes goldShimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* Elegant float - gentle levitation */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Subtle zoom in - focused entrance */
@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Rotate and fade - sophisticated reveal */
@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* Border reveal - elegant stroke */
@keyframes borderReveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* Text reveal - character by character */
@keyframes textReveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* Ripple effect - premium touch */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* Counting up animation */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   Animation Utility Classes
   ======================================== */

/* Fade animations - elegant entrances */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out;
}

/* Slide animations - refined motion */
.animate-slide-in-left {
  animation: slideInLeft 0.7s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.7s ease-out;
}

/* Scale animation - sophisticated reveal */
.animate-scale-in {
  animation: scaleIn 0.5s ease-out;
}

/* Premium effects */
.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-bounce {
  animation: bounce 1.5s ease-in-out infinite;
}

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

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

.animate-zoom-in {
  animation: zoomIn 0.6s ease-out;
}

.animate-rotate-in {
  animation: rotateIn 0.7s ease-out;
}

/* ========================================
   Page Load Animations
   ======================================== */

/* Hero section - grand entrance */
.hero__content {
  animation: fadeInUp 1s ease-out;
}

.hero__title {
  animation: fadeInDown 0.8s ease-out 0.2s both;
}

.hero__subtitle {
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero__cta {
  animation: fadeInUp 0.8s ease-out 0.7s both;
}

/* Card stagger animation - elegant cascade */
.activity-card,
.card,
.service-card {
  animation: fadeInUp 0.7s ease-out both;
}

.activity-card:nth-child(1),
.card:nth-child(1),
.service-card:nth-child(1) {
  animation-delay: 0.1s;
}

.activity-card:nth-child(2),
.card:nth-child(2),
.service-card:nth-child(2) {
  animation-delay: 0.2s;
}

.activity-card:nth-child(3),
.card:nth-child(3),
.service-card:nth-child(3) {
  animation-delay: 0.3s;
}

.activity-card:nth-child(4),
.card:nth-child(4),
.service-card:nth-child(4) {
  animation-delay: 0.4s;
}

.activity-card:nth-child(5),
.card:nth-child(5),
.service-card:nth-child(5) {
  animation-delay: 0.5s;
}

.activity-card:nth-child(6),
.card:nth-child(6),
.service-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* Team member stagger - professional reveal */
.team-member {
  animation: scaleIn 0.6s ease-out both;
}

.team-member:nth-child(1) {
  animation-delay: 0.1s;
}

.team-member:nth-child(2) {
  animation-delay: 0.2s;
}

.team-member:nth-child(3) {
  animation-delay: 0.3s;
}

.team-member:nth-child(4) {
  animation-delay: 0.4s;
}

/* ========================================
   Loading States
   ======================================== */

/* Premium loading spinner - gold accent */
.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-bg-tertiary);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

/* Skeleton loading - golden shimmer */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 0%,
    var(--color-bg-elevated) 50%,
    var(--color-bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton--text {
  height: 1em;
  margin-bottom: 0.5em;
}

.skeleton--title {
  height: 2em;
  width: 60%;
  margin-bottom: 1em;
}

.skeleton--image {
  height: 200px;
  width: 100%;
}

.skeleton--circle {
  border-radius: 50%;
  width: 100px;
  height: 100px;
}

/* Pulse loading - subtle indication */
.loading-pulse {
  animation: pulse 1.5s ease-in-out infinite;
}

/* Progress bar - elegant fill */
.loading-progress {
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.loading-progress__bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--color-accent-primary),
    var(--color-accent-secondary),
    var(--color-accent-primary)
  );
  background-size: 200% 100%;
  animation: progress 2s ease-out, shimmer 1.5s linear infinite;
  border-radius: var(--radius-full);
}

/* ========================================
   Transition Effects
   ======================================== */

/* Smooth transitions for interactive elements */
.transition-all {
  transition: all var(--transition-base);
}

.transition-colors {
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast);
}

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

.transition-opacity {
  transition: opacity var(--transition-base);
}

/* Premium hover transition */
.transition-premium {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

/* ========================================
   Premium Hover Effects
   ======================================== */

/* Elegant lift - sophisticated elevation */
.hover-lift {
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

/* Gold glow - premium accent */
.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 30px var(--color-accent-glow);
}

/* Subtle scale - refined emphasis */
.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.03);
}

/* Border reveal - elegant stroke */
.hover-border-reveal {
  position: relative;
  overflow: hidden;
}

.hover-border-reveal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent-primary),
    transparent
  );
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

.hover-border-reveal:hover::before {
  transform: translateX(100%);
}

/* Image zoom - focused interaction */
.hover-image-zoom {
  overflow: hidden;
}

.hover-image-zoom img {
  transition: transform var(--transition-slow);
}

.hover-image-zoom:hover img {
  transform: scale(1.1);
}

/* Shine effect - premium sheen */
.hover-shine {
  position: relative;
  overflow: hidden;
}

.hover-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0) 0%,
    rgba(212, 175, 55, 0.1) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: rotate(30deg);
  transition: transform 0.6s;
  opacity: 0;
}

.hover-shine:hover::after {
  animation: goldShimmer 1.5s ease-in-out;
  opacity: 1;
}

/* ========================================
   Focus Effects
   ======================================== */

/* Premium focus ring */
.focus-ring:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.focus-ring:focus:not(:focus-visible) {
  outline: none;
  box-shadow: none;
}

/* Soft focus - elegant indication */
.focus-soft:focus {
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

/* ========================================
   Premium Status Animations
   ======================================== */

/* Success message - elegant confirmation */
.success-message {
  background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
  color: var(--color-text-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent-primary);
  box-shadow: var(--shadow-lg);
  animation: slideInDown 0.5s ease-out;
}

/* Error message - refined attention */
.error-message {
  background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
  color: var(--color-text-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent-primary);
  box-shadow: var(--shadow-lg);
  animation: shake 0.6s ease-out;
}

/* Warning message - subtle alert */
.warning-message {
  background: linear-gradient(135deg, var(--color-warning) 0%, #d97706 100%);
  color: var(--color-text-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent-primary);
  box-shadow: var(--shadow-lg);
  animation: fadeInDown 0.5s ease-out;
}

/* Info message - calm notification */
.info-message {
  background: linear-gradient(135deg, var(--color-info) 0%, #2563eb 100%);
  color: var(--color-text-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent-primary);
  box-shadow: var(--shadow-lg);
  animation: fadeInDown 0.5s ease-out;
}

/* ========================================
   Modal Animations
   ======================================== */

/* Modal backdrop - smooth fade */
.modal__overlay {
  animation: fadeIn 0.3s ease-out;
}

/* Modal content - elegant reveal */
.modal__content {
  animation: scaleIn 0.4s ease-out;
}

/* Modal content - slide from top variant */
.modal__content--slide {
  animation: fadeInDown 0.4s ease-out;
}

/* ========================================
   Scroll Animations
   ======================================== */

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

/* Scroll reveal - elements fade in gracefully */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s ease-out,
    transform 0.8s ease-out;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll reveal - from left variant */
.scroll-reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 0.8s ease-out,
    transform 0.8s ease-out;
}

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

/* Scroll reveal - from right variant */
.scroll-reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity 0.8s ease-out,
    transform 0.8s ease-out;
}

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

/* ========================================
   Progress Indicators
   ======================================== */

/* Premium progress bar */
.progress-bar {
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--color-accent-primary),
    var(--color-accent-secondary)
  );
  animation: progress 2s ease-out;
  box-shadow: 0 0 10px var(--color-accent-glow);
}

/* Circular progress */
.progress-circle {
  transform: rotate(-90deg);
}

.progress-circle__circle {
  transition: stroke-dashoffset 0.6s ease-out;
}

/* ========================================
   Notification Animations
   ======================================== */

/* Toast notification - elegant slide */
.toast {
  animation: slideInRight 0.5s ease-out;
}

.toast--exit {
  animation: slideInRight 0.5s ease-out reverse;
}

/* Toast with gold accent */
.toast--premium {
  background: var(--color-bg-secondary);
  border-left: 4px solid var(--color-accent-primary);
  box-shadow: var(--shadow-xl), 0 0 20px var(--color-accent-glow);
}

/* ========================================
   Form Validation Animations
   ======================================== */

/* Invalid input - subtle shake (only after form submission attempted) */
.form--validated .form-group__input:invalid:not(:focus):not(:placeholder-shown) {
  animation: shake 0.4s ease-in-out;
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-light);
}

/* Valid input - elegant confirmation (only after form submission attempted) */
.form--validated .form-group__input:valid:not(:focus):not(:placeholder-shown) {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-light);
}

/* Focus glow - premium accent */
.form-group__input:focus,
.form-group__textarea:focus,
.form-group__select:focus {
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

/* ========================================
   Button Animation Variants
   ======================================== */

/* Ripple effect */
.button--ripple {
  position: relative;
  overflow: hidden;
}

.button--ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* Shine sweep */
.button--shine {
  position: relative;
  overflow: hidden;
}

.button--shine::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.3),
    transparent
  );
  transition: left var(--transition-slow);
}

.button--shine:hover::before {
  left: 100%;
}

/* ========================================
   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; }
.stagger-7 { animation-delay: 0.7s; }
.stagger-8 { animation-delay: 0.8s; }
.stagger-9 { animation-delay: 0.9s; }
.stagger-10 { animation-delay: 1s; }

/* ========================================
   Animation Durations
   ======================================== */

.duration-fast { animation-duration: 0.3s; }
.duration-base { animation-duration: 0.5s; }
.duration-slow { animation-duration: 0.8s; }
.duration-slower { animation-duration: 1.2s; }

/* ========================================
   Animation Timing Functions
   ======================================== */

.ease-smooth { animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.ease-bounce { animation-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55); }
.ease-elastic { animation-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275); }

/* ========================================
   Accessibility - Reduced Motion
   ======================================== */

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

  .scroll-reveal,
  .scroll-reveal--left,
  .scroll-reveal--right {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ========================================
   Custom Animation Examples
   ======================================== */

/* Premium card entrance */
@keyframes cardEntrance {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.animate-card-entrance {
  animation: cardEntrance 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Gold shimmer effect */
@keyframes goldShimmerEffect {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.gold-shimmer {
  background: linear-gradient(
    90deg,
    var(--color-accent-primary) 0%,
    #f4d03f 25%,
    #f9e79f 50%,
    #f4d03f 75%,
    var(--color-accent-primary) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: goldShimmerEffect 3s linear infinite;
}

/* Elegant reveal */
@keyframes elegantReveal {
  from {
    opacity: 0;
    clip-path: inset(0 100% 0 0);
  }
  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}

.animate-elegant-reveal {
  animation: elegantReveal 1s cubic-bezier(0.4, 0, 0.2, 1);
}