/**
 * PREMIUM ANIMATIONS SYSTEM
 * World-class CSS animations and effects
 * Version: 2.0
 */

/* ============================================
   CSS VARIABLES - Premium Color System
   ============================================ */
:root {
  /* Brand Colors */
  --primary-gold: #D4AF37;
  --gold-light: #F4E4A1;
  --gold-dark: #B8941F;
  
  /* Dark Theme */
  --primary-dark: #0D1117;
  --secondary-dark: #161B22;
  --tertiary-dark: #1C2128;
  
  /* Accent Colors */
  --accent-green: #00D084;
  --accent-green-light: #00F5A8;
  --accent-red: #FF4757;
  --accent-blue: #4A90E2;
  --accent-purple: #9B59B6;
  
  /* Text Colors */
  --text-primary: #F0F6FC;
  --text-secondary: #8B949E;
  --text-tertiary: #6E7681;
  
  /* Glass Morphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-medium: rgba(255, 255, 255, 0.08);
  --glass-bg-strong: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-strong: rgba(255, 255, 255, 0.2);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
  --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.4);
  --shadow-green: 0 8px 32px rgba(0, 208, 132, 0.4);
  
  /* Blur Effects */
  --blur-sm: 10px;
  --blur-md: 20px;
  --blur-lg: 40px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

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

@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);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  10%, 30% {
    transform: scale(0.95);
  }
  20%, 40% {
    transform: scale(1.05);
  }
}

/* Floating & Hover Animations */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

/* Rotation Animations */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

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

@keyframes gradientRotate {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}

/* Glow Animations */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3),
                0 0 40px rgba(212, 175, 55, 0.2),
                0 0 60px rgba(212, 175, 55, 0.1);
  }
  50% {
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.5),
                0 0 60px rgba(212, 175, 55, 0.3),
                0 0 90px rgba(212, 175, 55, 0.2);
  }
}

@keyframes glowGreen {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 208, 132, 0.3),
                0 0 40px rgba(0, 208, 132, 0.2);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 208, 132, 0.5),
                0 0 60px rgba(0, 208, 132, 0.3);
  }
}

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

/* Particle Animation */
@keyframes particleFloat {
  0% {
    transform: translateY(100vh) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-100px) translateX(100px) rotate(360deg);
    opacity: 0;
  }
}

/* Wave Animation */
@keyframes wave {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Bounce */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

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

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

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

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

/* ============================================
   UTILITY ANIMATION CLASSES
   ============================================ */

/* Fade Utilities */
.animate-fade-in {
  animation: fadeIn 0.6s var(--transition-smooth) both;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s var(--transition-smooth) both;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s var(--transition-smooth) both;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s var(--transition-smooth) both;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s var(--transition-smooth) both;
}

/* Scale Utilities */
.animate-scale-in {
  animation: scaleIn 0.5s var(--transition-bounce) both;
}

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

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

/* Float Utilities */
.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-float-slow {
  animation: floatSlow 4s ease-in-out infinite;
}

/* Rotation Utilities */
.animate-rotate {
  animation: rotate 3s linear infinite;
}

.animate-rotate-reverse {
  animation: rotateReverse 3s linear infinite;
}

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

.animate-glow-green {
  animation: glowGreen 2s ease-in-out infinite;
}

/* Bounce & Shake */
.animate-bounce {
  animation: bounce 2s ease-in-out infinite;
}

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

/* Delay Utilities */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

/* ============================================
   GLASS MORPHISM EFFECTS
   ============================================ */

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}

.glass-medium {
  background: var(--glass-bg-medium);
  backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-lg));
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   GRADIENT BACKGROUNDS
   ============================================ */

.gradient-gold {
  background: linear-gradient(135deg, var(--primary-gold), var(--gold-light));
}

.gradient-gold-animated {
  background: linear-gradient(270deg, var(--primary-gold), var(--gold-light), var(--gold-dark));
  background-size: 600% 600%;
  animation: gradientShift 8s ease infinite;
}

.gradient-green {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-green-light));
}

.gradient-dark {
  background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark), var(--tertiary-dark));
}

.gradient-rainbow {
  background: linear-gradient(270deg, 
    var(--primary-gold), 
    var(--accent-green), 
    var(--accent-blue), 
    var(--accent-purple)
  );
  background-size: 800% 800%;
  animation: gradientShift 15s ease infinite;
}

/* Text Gradients */
.text-gradient-gold {
  background: linear-gradient(135deg, var(--primary-gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-green {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   HOVER EFFECTS
   ============================================ */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

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

.hover-glow:hover {
  box-shadow: var(--shadow-gold);
  border-color: var(--primary-gold);
}

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

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

.hover-brightness {
  transition: filter var(--transition-base);
}

.hover-brightness:hover {
  filter: brightness(1.2);
}

/* ============================================
   SHIMMER EFFECT
   ============================================ */

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

.shimmer::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: shimmer 2s infinite;
}

/* ============================================
   LOADING INDICATORS
   ============================================ */

.spinner {
  border: 3px solid var(--glass-border);
  border-top-color: var(--primary-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.dots-loading span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-gold);
  margin: 0 4px;
  animation: pulse 1.4s infinite ease-in-out both;
}

.dots-loading span:nth-child(1) {
  animation-delay: -0.32s;
}

.dots-loading span:nth-child(2) {
  animation-delay: -0.16s;
}

/* ============================================
   SCROLL REVEAL UTILITIES
   ============================================ */

.scroll-reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s var(--transition-smooth),
              transform 0.8s var(--transition-smooth);
}

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

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s var(--transition-smooth),
              transform 0.8s var(--transition-smooth);
}

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

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s var(--transition-smooth),
              transform 0.8s var(--transition-smooth);
}

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

/* ============================================
   PARTICLE EFFECTS
   ============================================ */

.particle-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-gold);
  border-radius: 50%;
  opacity: 0.3;
  animation: particleFloat 15s linear infinite;
}

/* ============================================
   BUTTON EFFECTS
   ============================================ */

.btn-premium {
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.btn-premium::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-premium:hover::before {
  width: 300px;
  height: 300px;
}

.btn-shine {
  position: relative;
  overflow: hidden;
}

.btn-shine::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: left 0.5s;
}

.btn-shine:hover::after {
  left: 100%;
}

/* ============================================
   CARD EFFECTS
   ============================================ */

.card-premium {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  transition: all var(--transition-base);
  overflow: hidden;
}

.card-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(212, 175, 55, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.card-premium:hover {
  transform: translateY(-10px);
  border-color: var(--primary-gold);
  box-shadow: var(--shadow-gold);
}

.card-premium:hover::before {
  left: 100%;
}

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

.parallax-wrapper {
  perspective: 1000px;
}

.parallax-layer {
  transform-style: preserve-3d;
  transition: transform 0.3s ease-out;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  :root {
    --blur-sm: 8px;
    --blur-md: 15px;
    --blur-lg: 30px;
  }
  
  .animate-float,
  .animate-float-slow {
    animation: none;
  }
  
  .hover-lift:hover {
    transform: translateY(-4px);
  }
  
  .card-premium:hover {
    transform: translateY(-5px);
  }
}

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

/* ============================================
   ACCESSIBILITY
   ============================================ */

.focus-visible {
  outline: 2px solid var(--primary-gold);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.3);
  }
}