/* ===================================
   Liuyang Fanranwo Trading Co., Ltd.
   Animations Stylesheet
   Audi-Inspired Rich Animations
   =================================== */

/* Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

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

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

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

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

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

@keyframes swing {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(15deg);
    }
    75% {
        transform: rotate(-15deg);
    }
}

@keyframes tada {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    10%, 20% {
        transform: scale(0.9) rotate(-3deg);
    }
    30%, 50%, 70%, 90% {
        transform: scale(1.1) rotate(3deg);
    }
    40%, 60%, 80% {
        transform: scale(1.1) rotate(-3deg);
    }
}

@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-5deg);
    }
    75% {
        transform: rotate(5deg);
    }
}

@keyframes heartBeat {
    0% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.3);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.3);
    }
    70% {
        transform: scale(1);
    }
}

@keyframes rollIn {
    from {
        opacity: 0;
        transform: translateX(-100%) rotate(-120deg);
    }
    to {
        opacity: 1;
        transform: translateX(0) rotate(0deg);
    }
}

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

@keyframes zoomInUp {
    from {
        opacity: 0;
        transform: scale(0.1) translateY(100%);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

@keyframes flipInX {
    from {
        transform: perspective(400px) rotateX(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateX(0deg);
        opacity: 1;
    }
}

@keyframes flipInY {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    to {
        transform: perspective(400px) rotateY(0deg);
        opacity: 1;
    }
}

@keyframes hinge {
    0% {
        transform: rotate(0);
        transform-origin: top left;
    }
    20%, 60% {
        transform: rotate(80deg);
        transform-origin: top left;
    }
    40%, 80% {
        transform: rotate(60deg);
        transform-origin: top left;
    }
    100% {
        transform: rotate(0);
        transform-origin: top left;
    }
}

@keyframes jackInTheBox {
    from {
        opacity: 0;
        transform: scale(0.1) rotate(0deg);
    }
    50% {
        transform: scale(1.2) rotate(10deg);
    }
    70% {
        transform: rotate(-5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

@keyframes leafFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(5deg);
    }
    50% {
        transform: translateY(0) rotate(0deg);
    }
    75% {
        transform: translateY(20px) rotate(-5deg);
    }
}

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

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(237, 137, 54, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(237, 137, 54, 0.8), 0 0 30px rgba(237, 137, 54, 0.6);
    }
}

@keyframes slideBackground {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes borderGlow {
    0%, 100% {
        border-color: rgba(237, 137, 54, 0.3);
    }
    50% {
        border-color: rgba(237, 137, 54, 1);
    }
}

@keyframes lineExpand {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

@keyframes morph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

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

@keyframes parallax {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

@keyframes reveal {
    from {
        clip-path: inset(0 100% 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

@keyframes slideReveal {
    from {
        clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    }
    to {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}

/* Animation Classes */
.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeInDown {
    animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out forwards;
}

.animate-fadeInScale {
    animation: fadeInScale 0.8s ease-out forwards;
}

.animate-slideInUp {
    animation: slideInUp 0.8s ease-out forwards;
}

.animate-slideInDown {
    animation: slideInDown 0.8s ease-out forwards;
}

.animate-slideInLeft {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slideInRight {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

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

.animate-rotate {
    animation: rotate 2s linear infinite;
}

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

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

.animate-shimmer {
    animation: shimmer 2s linear infinite;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-rotate {
    opacity: 0;
    transform: rotate(-10deg);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-rotate.active {
    opacity: 1;
    transform: rotate(0deg);
}

/* Staggered Animation Delays */
.delay-1 { animation-delay: 0.1s !important; }
.delay-2 { animation-delay: 0.2s !important; }
.delay-3 { animation-delay: 0.3s !important; }
.delay-4 { animation-delay: 0.4s !important; }
.delay-5 { animation-delay: 0.5s !important; }
.delay-6 { animation-delay: 0.6s !important; }
.delay-7 { animation-delay: 0.7s !important; }
.delay-8 { animation-delay: 0.8s !important; }

/* Hover Animations */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(237, 137, 54, 0.5);
}

.hover-brightness {
    transition: filter 0.3s ease;
}

.hover-brightness:hover {
    filter: brightness(1.1);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

.hover-flip {
    transition: transform 0.3s ease;
    transform-style: preserve-3d;
}

.hover-flip:hover {
    transform: rotateY(180deg);
}

/* Parallax Effects */
.parallax-container {
    perspective: 1px;
    overflow-x: hidden;
    overflow-y: auto;
}

.parallax-layer {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.parallax-layer-back {
    transform: translateZ(-1px) scale(2);
}

.parallax-layer-base {
    transform: translateZ(0);
}

/* 3D Card Effects */
.card-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.card-3d-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card-3d:hover .card-3d-inner {
    transform: rotateY(10deg) rotateX(5deg);
}

/* Morphing Shapes */
.morph-shape {
    animation: morph 4s ease-in-out infinite;
}

/* Loading Dots */
.loading-dots {
    display: flex;
    gap: 5px;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

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

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

.loading-dots span:nth-child(3) {
    animation-delay: 0;
}

/* Progress Bar Animation */
.progress-bar {
    width: 0;
    height: 4px;
    background: var(--gradient-accent);
    animation: progressFill 1.5s ease-out forwards;
}

@keyframes progressFill {
    to {
        width: 100%;
    }
}

/* Counter Animation */
.counter {
    opacity: 0;
    transform: translateY(20px);
}

.counter.active {
    animation: countUp 0.5s ease-out forwards;
}

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

.ripple-effect::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, var(--accent-color) 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10);
    opacity: 0;
    transition: transform 0.5s, opacity 1s;
}

.ripple-effect:active::after {
    transform: scale(0);
    opacity: 0.3;
    transition: 0s;
}

/* Text Reveal Animation */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    animation: textReveal 0.8s ease forwards;
}

@keyframes textReveal {
    to {
        transform: translateY(0);
    }
}

/* Line Drawing Animation */
.line-draw {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: lineDraw 2s ease forwards;
}

@keyframes lineDraw {
    to {
        stroke-dashoffset: 0;
    }
}

/* Icon Animations */
.icon-spin {
    transition: transform 0.3s ease;
}

.icon-spin:hover {
    transform: rotate(360deg);
}

.icon-bounce {
    transition: transform 0.3s ease;
}

.icon-bounce:hover {
    animation: bounce 1s ease;
}

.icon-pulse {
    transition: transform 0.3s ease;
}

.icon-pulse:hover {
    animation: pulse 0.6s ease infinite;
}

/* Button Animations */
.btn-animated {
    position: relative;
    overflow: hidden;
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

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

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

.btn-slide::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.btn-slide:hover::after {
    transform: translateX(100%);
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-accent);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* Page Transition */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    z-index: 9998;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.page-transition.active {
    transform: translateY(0);
}

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

/* Active Link Animation */
.nav-link-active {
    position: relative;
}

.nav-link-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    animation: lineExpand 0.3s ease forwards;
}

/* Marquee Animation */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
}

.marquee-content {
    display: inline-block;
    animation: marquee 20s linear infinite;
}

.marquee-content:hover {
    animation-play-state: paused;
}

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

.img-zoom img {
    transition: transform 0.5s ease;
}

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

.img-blur {
    filter: blur(5px);
    transition: filter 0.5s ease;
}

.img-blur:hover {
    filter: blur(0);
}

.img-grayscale {
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.img-grayscale:hover {
    filter: grayscale(0%);
}

/* Card Hover 3D Effect */
.card-hover-3d {
    transition: transform 0.5s ease;
    transform-style: preserve-3d;
}

.card-hover-3d:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg) translateZ(20px);
}

/* Gradient Animation */
.gradient-animate {
    background: linear-gradient(-45deg, #1a365d, #2c5282, #ed8936, #f6ad55);
    background-size: 400% 400%;
    animation: slideBackground 15s ease infinite;
}

/* Number Counter */
.number-counter {
    font-variant-numeric: tabular-nums;
}

/* Typing Animation */
.typing {
    overflow: hidden;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink 0.75s step-end infinite;
}

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

@keyframes blink {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent-color); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 30px;
    border: 2px solid var(--text-white);
    border-radius: 10px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--text-white);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% {
        opacity: 0;
        top: 8px;
    }
    20% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        top: 20px;
    }
}

/* Magnetic Button Effect */
.magnetic-btn {
    transition: transform 0.3s ease;
}

/* Split Text Animation */
.split-text .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(50px);
    animation: charReveal 0.5s ease forwards;
}

@keyframes charReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Liquid Button Effect */
.liquid-btn {
    position: relative;
    overflow: hidden;
}

.liquid-btn::before,
.liquid-btn::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 40%;
    animation: liquidRotate 7s linear infinite;
}

.liquid-btn::after {
    animation-duration: 9s;
    animation-direction: reverse;
}

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

/* Video Background Animation */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 54, 93, 0.6);
    animation: overlayPulse 4s ease-in-out infinite;
}

@keyframes overlayPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.4; }
}

/* Focus Animation for Interactive Elements */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(237, 137, 54, 0.5);
    animation: focusPulse 1s ease infinite;
}

@keyframes focusPulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(237, 137, 54, 0.5); }
    50% { box-shadow: 0 0 0 6px rgba(237, 137, 54, 0.3); }
}

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