/**
 * ========================================
 * ANIMATIONS & EFFECTS - 2025 EDITION
 * ========================================
 *
 * Modern animation system using design tokens
 * Updated to use centralized CSS variables for consistency
 */

/* ==================== GRADIENT OVERLAY ANIMATION ==================== */

.hero-section::before,
.features-section::before,
.analytics-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 20%, rgba(120, 119, 198, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 119, 198, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(64, 224, 208, 0.1) 0%, transparent 50%);
  animation: gradientShift var(--gradient-shift-speed) var(--ease-in-out) infinite;
  will-change: opacity;
  pointer-events: none;
  z-index: 0;
}

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

/* Gradient animations - consolidated with CSS variables for variations */
@keyframes gradientShift {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Text shimmer effect for CTAs */
@keyframes textShimmer {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Floating animation for shapes and elements */
@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  25% {
    transform: translateY(-20px) rotate(var(--rotate-md));
  }
  50% {
    transform: translateY(-40px) rotate(calc(var(--rotate-md) * -1));
  }
  75% {
    transform: translateY(-20px) rotate(var(--rotate-md));
  }
}

/* Pulse effect for attention */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(var(--scale-md));
    opacity: var(--opacity-subtle);
  }
}

/* Slide-in animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@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);
  }
}

/* Notification-specific slide (from farther right) */
@keyframes slideInRightNotification {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

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

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

/* Scale animations */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.8);
  }
}

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

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

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

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

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

/* ==================== LOADER ANIMATIONS ==================== */

@keyframes loadProgress {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}

@keyframes screenPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
}

@keyframes iconBounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

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

.animate-float {
  animation: float 6s var(--ease-in-out) infinite;
  will-change: transform;
}

.animate-pulse {
  animation: pulse var(--pulse-speed) var(--ease-in-out) infinite;
}

.animate-slide-in-up {
  animation: slideInUp var(--duration-slow) var(--ease-out) forwards;
  opacity: 1 !important;
}

.animate-slide-in-down {
  animation: slideInDown var(--duration-slow) var(--ease-out);
}

.animate-slide-in-left {
  animation: slideInLeft var(--duration-slow) var(--ease-out);
}

.animate-slide-in-right {
  animation: slideInRight var(--duration-slow) var(--ease-out);
}

.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

.animate-fade-out {
  animation: fadeOut var(--duration-slow) var(--ease-out);
}

.animate-scale-in {
  animation: scaleIn var(--duration-moderate) var(--ease-out);
}

.animate-scale-out {
  animation: scaleOut var(--duration-moderate) var(--ease-out);
}

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

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

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

/* Animation delays - using design tokens */
.delay-1 { animation-delay: var(--stagger-1); }
.delay-2 { animation-delay: var(--stagger-2); }
.delay-3 { animation-delay: var(--stagger-3); }
.delay-4 { animation-delay: var(--stagger-4); }
.delay-5 { animation-delay: var(--stagger-5); }

/* Legacy delay classes (deprecated but kept for compatibility) */
.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; }

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

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

.hover-lift:hover {
  transform: translateY(var(--lift-sm));
  box-shadow: var(--shadow-md);
}

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

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

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

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

.hover-scale-lg {
  transition: transform var(--duration-base) var(--ease-apple);
}

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

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

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

.hover-rotate {
  transition: transform var(--duration-base) var(--ease-apple);
}

.hover-rotate:hover {
  transform: rotate(var(--rotate-md));
}

/* Combined hover effects */
.hover-lift-scale {
  transition: transform var(--duration-base) var(--ease-apple),
              box-shadow var(--duration-base) var(--ease-apple);
}

.hover-lift-scale:hover {
  transform: translateY(var(--lift-sm)) scale(var(--scale-sm));
  box-shadow: var(--shadow-md);
}

/* ==================== TRANSITION EFFECTS ==================== */

.transition-all {
  transition: all var(--duration-base) var(--ease-apple);
}

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

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

.transition-colors {
  transition: color var(--duration-base) var(--ease-apple),
              background-color var(--duration-base) var(--ease-apple);
}

.transition-fast {
  transition: all var(--duration-fast) var(--ease-apple);
}

.transition-slow {
  transition: all var(--duration-slow) var(--ease-apple);
}

/* ==================== SCROLL ANIMATIONS ==================== */

.scroll-fade-in {
  opacity: 0;
  transition: opacity var(--duration-slower) var(--ease-out);
}

.scroll-fade-in.visible {
  opacity: 1;
}

.scroll-slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

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

.scroll-slide-left {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

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

.scroll-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.scroll-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ==================== LOADING STATES ==================== */

.loading {
  position: relative;
  pointer-events: none;
  opacity: var(--opacity-muted);
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #3b82f6;
  border-top-color: transparent;
  border-radius: var(--radius-full);
  animation: spin var(--duration-slower) linear infinite;
}

.skeleton {
  background: linear-gradient(
    90deg,
    rgba(229, 231, 235, 1) 0%,
    rgba(243, 244, 246, 1) 50%,
    rgba(229, 231, 235, 1) 100%
  );
  background-size: 200% 100%;
  animation: shimmer var(--shimmer-speed) var(--ease-in-out) infinite;
  border-radius: var(--radius-md);
}

/* ==================== PERFORMANCE OPTIMIZATION ==================== */

/* Note: GPU acceleration classes are now in design-tokens.css */

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

  /* Keep button pulse animations always active */
  #toggle-chatbot,
  .cookie-settings-button.visible i {
    animation-duration: 2s !important;
    animation-iteration-count: infinite !important;
  }
}