/**
 * Modern Animations CSS for 4X4PRO Auto Parts
 * Smooth, professional animations and transitions
 */

/* CSS Custom Properties for Animation Timing */
:root {
  --animation-fast: 0.15s;
  --animation-normal: 0.2s;
  --animation-slow: 0.25s;
  --animation-slower: 0.35s;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Global Animation Classes */
* {
  box-sizing: border-box;
}

body {
  overflow-x: hidden;
}

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

/* Keyframe 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);
  }
}

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

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

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

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

@keyframes rotateIn {
  from {
    transform: rotate(-200deg);
    opacity: 0;
  }
  to {
    transform: rotate(0deg);
    opacity: 1;
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1);
  }
}

@keyframes flipInX {
  from {
    transform: perspective(400px) rotateX(90deg);
    opacity: 0;
  }
  40% {
    transform: perspective(400px) rotateX(-10deg);
  }
  70% {
    transform: perspective(400px) rotateX(10deg);
  }
  100% {
    transform: perspective(400px) rotateX(0deg);
    opacity: 1;
  }
}

@keyframes lightSpeedIn {
  from {
    transform: translateX(100%) skewX(-30deg);
    opacity: 0;
  }
  60% {
    transform: translateX(-20%) skewX(20deg);
    opacity: 1;
  }
  80% {
    transform: translateX(0%) skewX(-5deg);
    opacity: 1;
  }
  100% {
    transform: translateX(0%) skewX(0deg);
    opacity: 1;
  }
}

/* Animation Classes */
.animate-on-scroll {
  transition: all var(--animation-slow) var(--ease-out);
}

.animate-on-scroll.animated {
  opacity: 1;
}

.fadeIn {
  animation: fadeIn var(--animation-normal) var(--ease-out);
}

.fadeInUp {
  animation: fadeInUp var(--animation-slow) var(--ease-out);
}

.fadeInDown {
  animation: fadeInDown var(--animation-slow) var(--ease-out);
}

.fadeInLeft {
  animation: fadeInLeft var(--animation-slow) var(--ease-out);
}

.fadeInRight {
  animation: fadeInRight var(--animation-slow) var(--ease-out);
}

.slideInDown {
  animation: slideInDown var(--animation-normal) var(--ease-out);
}

.slideInUp {
  animation: slideInUp var(--animation-normal) var(--ease-out);
}

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

.bounceIn {
  animation: bounceIn 0.7s ease-out;
}

.pulse {
  animation: pulse 1.2s ease-out;
}

.shake {
  animation: shake 0.5s;
}

.rotateIn {
  animation: rotateIn var(--animation-slow) var(--ease-out);
}

.zoomIn {
  animation: zoomIn var(--animation-slow) var(--ease-out);
}

.flipInX {
  animation: flipInX var(--animation-slow) var(--ease-out);
}

.lightSpeedIn {
  animation: lightSpeedIn var(--animation-slow) var(--ease-out);
}

/* Enhanced Product Cards */
.product-card {
  transition: all var(--animation-normal) var(--ease-out);
  transform-origin: center;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--animation-slow);
}

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

.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 12px 40px rgba(227, 6, 19, 0.15);
  z-index: 10;
}

.product-card img {
  transition: transform var(--animation-slow) var(--ease-out);
}

.product-card:hover img {
  transform: scale(1.1);
}

/* Enhanced Category Cards */
.category-card {
  transition: all var(--animation-normal) var(--ease-out);
  transform-style: preserve-3d;
  position: relative;
}

.category-card:hover {
  transform: translateY(-5px) rotateY(5deg);
  box-shadow: 0 8px 25px rgba(227, 6, 19, 0.2);
}

.category-card svg {
  transition: all var(--animation-normal) var(--ease-out);
}

.category-card:hover svg {
  transform: scale(1.2) rotate(10deg);
  filter: drop-shadow(0 4px 8px rgba(227, 6, 19, 0.3));
}

/* Enhanced Buttons */
.btn {
  transition: all var(--animation-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.btn::after {
  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 var(--animation-normal), height var(--animation-normal);
}

.btn:hover::after {
  width: 300px;
  height: 300px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(227, 6, 19, 0.3);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 15px rgba(227, 6, 19, 0.2);
}

/* Ripple Effect */
.btn {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation var(--animation-normal) ease-out;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Enhanced Navigation */
.navbar {
  transition: all var(--animation-normal) var(--ease-out);
  backdrop-filter: blur(10px);
}

.navbar.scrolled {
  background-color: rgba(227, 6, 19, 0.95) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-link {
  transition: all var(--animation-fast) var(--ease-out);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--brand-red);
  transform: translateX(-50%);
  transition: width var(--animation-normal) var(--ease-out);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  transform: translateX(5px);
  color: var(--brand-red) !important;
}

/* Enhanced Search Bar */
.search-container {
  transition: all var(--animation-normal) var(--ease-out);
}

.search-container.focused {
  transform: scale(1.05);
}

.search-container input {
  transition: all var(--animation-fast) var(--ease-out);
}

.search-container input:focus {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(227, 6, 19, 0.1);
}

/* Enhanced Carousel */
.carousel-item {
  transition: transform var(--animation-slow) var(--ease-in-out);
}

.carousel-caption {
  transition: all var(--animation-slow) var(--ease-out);
}

.carousel-control-prev,
.carousel-control-next {
  transition: all var(--animation-normal) var(--ease-out);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  transform: scale(1.1);
  background-color: var(--brand-red);
}

/* Swipe Hint Animation */
/* Swipe hint overlay: only interactive as a visual cue, never blocking clicks */
.swipe-hint::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 20px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 15px;
  animation: swipeHint 2s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

/* Ensure carousel captions/buttons always sit above the swipe hint */
.homepage-slider .carousel-caption {
  position: relative;
  z-index: 2;
}

/* Hide swipe hint on larger screens where it only adds clutter */
@media (min-width: 769px) {
  .swipe-hint::after {
    display: none;
  }
}

@keyframes swipeHint {
  0%, 100% { 
    opacity: 0.3; 
    transform: translateX(-50%) translateY(0);
  }
  50% { 
    opacity: 0.8; 
    transform: translateX(-50%) translateY(-10px);
  }
}

/* Enhanced Hero Section */
.hero {
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: none;
}

.hero h1,
.hero p,
.hero .btn {
  animation: fadeInUp var(--animation-normal) var(--ease-out);
}

/* Enhanced Brand Carousel */
.brand-logo-carousel {
  overflow: hidden;
  position: relative;
}

.brand-track {
  display: flex;
  animation: scroll 45s linear infinite;
  width: fit-content;
}

.brand-slide {
  flex: 0 0 auto;
  padding: 0 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  min-width: 300px;
}

.brand-slide img {
  transition: all var(--animation-normal) var(--ease-out);
  filter: grayscale(100%);
  opacity: 0.7;
}

.brand-slide:hover img {
  opacity: 1;
  transform: scale(1.1);
  filter: grayscale(0%);
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.brand-logo-carousel:hover .brand-track {
  animation-play-state: paused;
}

/* Enhanced Forms */
.form-control {
  transition: all var(--animation-fast) var(--ease-out);
}

.form-control:focus {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(227, 6, 19, 0.1);
  border-color: var(--brand-red);
}

.form-label {
  transition: all var(--animation-fast) var(--ease-out);
}

.form-control:focus ~ .form-label {
  color: var(--brand-red);
  transform: translateY(-2px);
}

/* Loading Spinner */
.spinner-border {
  animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
  to {
    transform: rotate(360deg);
  }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .mobile-animations * {
    transition-duration: var(--animation-fast) !important;
  }

  .mobile-animations .brand-track {
    animation-duration: 45s !important;
  }

  .product-card:hover {
    transform: translateY(-4px) scale(1.01);
  }

  .category-card:hover {
    transform: translateY(-3px);
  }

  .btn:hover {
    transform: translateY(-1px);
  }
}

/* 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-behavior: auto !important;
  }
}

/* Performance Optimizations */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

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

/* Staggered Animations */
.stagger-item {
  opacity: 0;
  animation: fadeInUp var(--animation-slow) var(--ease-out) forwards;
}

/* Parallax Effects */
.parallax-element {
  transform: translateZ(0);
  will-change: transform;
}

/* Enhanced Footer */
.site-footer {
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--brand-red), #fed700, var(--brand-red));
  animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(10px);
  }
}

/* Newsletter Form Animation */
.footer-newsletter input:focus,
.footer-newsletter button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(227, 6, 19, 0.2);
}

/* Feature Icons Animation */
.feature-icon {
  transition: all var(--animation-normal) var(--ease-out);
}

.feature-icon:hover {
  transform: scale(1.2) rotate(10deg);
  color: var(--brand-red);
}

/* Error and Success Messages */
.alert {
  animation: slideInDown var(--animation-normal) var(--ease-out);
}

.alert-success {
  border-left: 4px solid #28a745;
}

.alert-danger {
  border-left: 4px solid #dc3545;
}

.alert-info {
  border-left: 4px solid #17a2b8;
}

/* Tooltips */
.tooltip {
  animation: fadeIn var(--animation-fast) var(--ease-out);
}

/* Modal Animations */
.modal {
  animation: fadeIn var(--animation-normal) var(--ease-out);
}

.modal-dialog {
  animation: slideInDown var(--animation-normal) var(--ease-out);
}

/* Pagination */
.page-link {
  transition: all var(--animation-fast) var(--ease-out);
}

.page-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(227, 6, 19, 0.2);
}

/* Breadcrumbs */
.breadcrumb-item {
  animation: fadeInLeft var(--animation-normal) var(--ease-out);
}

/* Tabs */
.nav-tabs .nav-link {
  transition: all var(--animation-fast) var(--ease-out);
}

.nav-tabs .nav-link:hover {
  transform: translateY(-2px);
}

/* Accordion */
.accordion-button {
  transition: all var(--animation-fast) var(--ease-out);
}

.accordion-button:hover {
  background-color: rgba(227, 6, 19, 0.05);
}

/* Progress Bars */
.progress-bar {
  animation: progress-bar-stripes 1s linear infinite;
  transition: width var(--animation-slow) var(--ease-out);
}

@keyframes progress-bar-stripes {
  0% {
    background-position: 1rem 0;
  }
  100% {
    background-position: 0 0;
  }
}

/* Badges */
.badge {
  transition: all var(--animation-fast) var(--ease-out);
}

.badge:hover {
  transform: scale(1.1);
}

/* Cart bump micro-interaction */
@keyframes cart-bump {
  0% { transform: translateY(0) scale(1); }
  40% { transform: translateY(-2px) scale(1.08); }
  100% { transform: translateY(0) scale(1); }
}

.cart-bump {
  animation: cart-bump var(--animation-slower) var(--ease-out);
}

/* Enhanced Image Hover Effects */
.img-hover-zoom {
  overflow: hidden;
}

.img-hover-zoom img {
  transition: transform var(--animation-slow) var(--ease-out);
}

.img-hover-zoom:hover img {
  transform: scale(1.2);
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--brand-red);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Scroll to Top Button */
.scroll-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--brand-red);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--animation-normal) var(--ease-out);
  z-index: 1000;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(227, 6, 19, 0.3);
}