/* ========================================
   Liuyang Kangfan Trading Co., Ltd.
   Advanced Animations Stylesheet
   ======================================== */

/* 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);
}

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

/* Hero Animations */
@keyframes heroTitleSlideUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroSubtitleFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.hero-animate .hero-subtitle {
    animation: heroSubtitleFadeIn 1s ease-out 0.3s forwards;
    opacity: 0;
}

.hero-animate .hero-title {
    animation: heroTitleSlideUp 1s ease-out 0.5s forwards;
    opacity: 0;
}

.hero-animate .hero-description {
    animation: heroDescriptionFadeIn 1s ease-out 0.7s forwards;
    opacity: 0;
}

.hero-animate .hero-buttons {
    animation: heroButtonsSlideUp 1s ease-out 0.9s forwards;
    opacity: 0;
}

/* Background Animations */
@keyframes bgFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(10px, -10px) rotate(1deg);
    }
    50% {
        transform: translate(0, -20px) rotate(0deg);
    }
    75% {
        transform: translate(-10px, -10px) rotate(-1deg);
    }
}

@keyframes bgPulse {
    0%, 100% {
        opacity: 0.1;
        transform: scale(1);
    }
    50% {
        opacity: 0.15;
        transform: scale(1.05);
    }
}

.hero-bg-element {
    animation: bgFloat 8s ease-in-out infinite, bgPulse 4s ease-in-out infinite;
}

.hero-bg-element:nth-child(2) {
    animation-delay: -2s, -1s;
}

.hero-bg-element:nth-child(3) {
    animation-delay: -4s, -2s;
}

/* Floating Elements */
@keyframes floatSlow {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes floatMedium {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

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

.float-slow {
    animation: floatSlow 6s ease-in-out infinite;
}

.float-medium {
    animation: floatMedium 4s ease-in-out infinite;
}

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

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

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

.rotate-slow {
    animation: rotateSlow 20s linear infinite;
}

.rotate-reverse {
    animation: rotateReverse 25s linear infinite;
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(237, 137, 54, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(237, 137, 54, 0.6);
    }
}

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

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

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

.gradient-animate {
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

/* Text Animations */
@keyframes textReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(237, 137, 54, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(237, 137, 54, 0.8);
    }
}

.text-reveal {
    animation: textReveal 1s ease-out forwards;
}

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

/* 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-bounce {
    transition: transform 0.3s ease;
}

.hover-bounce:hover {
    transform: translateY(-5px);
}

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

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

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

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.card-animate {
    animation: cardSlideUp 0.6s ease-out forwards;
}

.card-animate-in {
    animation: cardSlideIn 0.6s ease-out forwards;
}

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

.shimmer {
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

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

.spinner {
    animation: spin 1s linear infinite;
}

/* Icon Animations */
@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.icon-bounce:hover {
    animation: iconBounce 0.5s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

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

/* Page Transition */
@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-transition {
    animation: pageIn 0.6s ease-out forwards;
}

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

.counter-animate {
    animation: countUp 1s ease-out forwards;
}

/* Ripple Effect */
@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    animation: ripple 1s ease-out forwards;
    pointer-events: none;
}

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

.marquee {
    animation: marquee 30s linear infinite;
}

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

/* Parallax Effect */
.parallax-slow {
    transform: translateY(calc(var(--scroll-y, 0) * 0.3px));
}

.parallax-medium {
    transform: translateY(calc(var(--scroll-y, 0) * 0.5px));
}

.parallax-fast {
    transform: translateY(calc(var(--scroll-y, 0) * 0.8px));
}

/* Scroll Progress Bar */
@keyframes progressGrow {
    from {
        width: 0;
    }
}

.progress-animate {
    animation: progressGrow 1s ease-out forwards;
}

/* Button Animations */
@keyframes buttonSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-animate {
    animation: buttonSlide 0.5s ease-out forwards;
}

.btn-animate:nth-child(1) { animation-delay: 0s; }
.btn-animate:nth-child(2) { animation-delay: 0.1s; }
.btn-animate:nth-child(3) { animation-delay: 0.2s; }
.btn-animate:nth-child(4) { animation-delay: 0.3s; }
.btn-animate:nth-child(5) { animation-delay: 0.4s; }

/* Image Reveal */
@keyframes imageReveal {
    from {
        clip-path: inset(0 100% 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

.image-reveal {
    animation: imageReveal 1s ease-out forwards;
}

/* Line Animation */
@keyframes lineGrow {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

.line-animate {
    animation: lineGrow 1s ease-out forwards;
    transform-origin: left;
}

/* Notification Badge */
@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.badge-animate {
    animation: badgePulse 1s ease-in-out infinite;
}

/* Cursor Animation */
@keyframes cursorBlink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

.cursor-blink {
    animation: cursorBlink 1s ease-in-out infinite;
}

/* Intersection Observer Based Animations */
[data-animate="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-up"].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-in"] {
    opacity: 0;
    transition: opacity 0.6s ease;
}

[data-animate="fade-in"].animated {
    opacity: 1;
}

[data-animate="slide-left"] {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="slide-left"].animated {
    opacity: 1;
    transform: translateX(0);
}

[data-animate="slide-right"] {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="slide-right"].animated {
    opacity: 1;
    transform: translateX(0);
}

[data-animate="zoom-in"] {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="zoom-in"].animated {
    opacity: 1;
    transform: scale(1);
}

/* Animation Timing Classes */
.ease-linear { transition-timing-function: linear; }
.ease-in { transition-timing-function: ease-in; }
.ease-out { transition-timing-function: ease-out; }
.ease-in-out { transition-timing-function: ease-in-out; }
.duration-fast { transition-duration: 0.15s; }
.duration-normal { transition-duration: 0.3s; }
.duration-slow { transition-duration: 0.5s; }
.duration-slower { transition-duration: 0.8s; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }
}