/* ========================================
   Beijing Wantai Commerce And Trade Co., Ltd.
   Advanced Animations Stylesheet
   ======================================== */

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Staggered 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; }

/* Parallax Effects */
.parallax {
    transform: translateY(0);
    transition: transform 0.1s linear;
}

.parallax-slow {
    transform: translateY(0);
    transition: transform 0.15s linear;
}

.parallax-fast {
    transform: translateY(0);
    transition: transform 0.08s linear;
}

/* 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, 0.2);
}

.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(0, 184, 240, 0.5);
}

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

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

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

.btn-animated::before {
    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 ease;
}

.btn-animated:hover::before {
    left: 100%;
}

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

@keyframes btnPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(0, 184, 240, 0.4);
    }
    50% {
        box-shadow: 0 8px 30px rgba(0, 184, 240, 0.6);
    }
}

/* 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: iconBounce 0.6s ease;
}

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

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

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Card Animations */
.card-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);
}

.card-flip {
    perspective: 1000px;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

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

.card-flip-front,
.card-flip-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

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

/* Text Animations */
.text-gradient-animate {
    background: linear-gradient(
        90deg,
        var(--primary-color),
        var(--accent-color),
        var(--primary-color)
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: textGradient 3s ease infinite;
}

@keyframes textGradient {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

.text-typing {
    overflow: hidden;
    border-right: 3px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3s steps(30) infinite, blink 0.7s step-end infinite;
}

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

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

/* Loading Animations */
.loading-dots {
    display: flex;
    gap: 8px;
}

.loading-dots span {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: loadingDot 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loadingDot {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.loading-bars {
    display: flex;
    gap: 4px;
    align-items: flex-end;
    height: 40px;
}

.loading-bars span {
    width: 8px;
    background: var(--primary-color);
    animation: loadingBar 1.2s ease-in-out infinite;
}

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

@keyframes loadingBar {
    0%, 100% {
        height: 20%;
    }
    50% {
        height: 100%;
    }
}

/* Page Transition Animations */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

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

.page-transition.exit {
    transform: translateX(100%);
}

/* Morphing Shapes */
.morph-shape {
    animation: morphShape 8s ease-in-out infinite;
}

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

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

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: rippleEffect 0.6s linear;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Shimmer Effect */
.shimmer {
    position: relative;
    overflow: hidden;
}

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

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* Counter Animation */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* Marquee Animation */
.marquee {
    display: flex;
    overflow: hidden;
    user-select: none;
}

.marquee-content {
    display: flex;
    animation: marquee 30s linear infinite;
}

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

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

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 10000;
    transition: width 0.1s ease;
}

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

/* Video Background Animation */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 46, 0.8) 0%,
        rgba(0, 119, 182, 0.6) 100%
    );
    animation: overlayPulse 4s ease-in-out infinite;
}

@keyframes overlayPulse {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 0.9;
    }
}

/* Floating Elements */
.float-animation {
    animation: floatAnimation 6s ease-in-out infinite;
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-15px) rotate(2deg);
    }
    66% {
        transform: translateY(-8px) rotate(-2deg);
    }
}

/* Pulse Ring Animation */
.pulse-ring {
    position: relative;
}

.pulse-ring::before,
.pulse-ring::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulseRing 2s ease-out infinite;
}

.pulse-ring::after {
    animation-delay: 1s;
}

@keyframes pulseRing {
    0% {
        width: 100%;
        height: 100%;
        opacity: 1;
    }
    100% {
        width: 150%;
        height: 150%;
        opacity: 0;
    }
}

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

@keyframes glow {
    from {
        box-shadow: 0 0 20px rgba(0, 184, 240, 0.5);
    }
    to {
        box-shadow: 0 0 40px rgba(0, 184, 240, 0.8);
    }
}

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

@keyframes scrollIndicator {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(10px);
        opacity: 0.5;
    }
}

/* Navigation Line Animation */
.nav-line {
    position: relative;
}

.nav-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-line:hover::after {
    width: 100%;
}

/* Image Gallery Animation */
.gallery-item {
    overflow: hidden;
}

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

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

/* Accordion Animation */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.accordion-content.active {
    max-height: 1000px;
}

/* Tab Content Animation */
.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

/* Modal Animations */
.modal {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

/* Form Field Animations */
.form-field {
    position: relative;
}

.form-field input,
.form-field textarea {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 184, 240, 0.1);
}

/* Timeline Animation */
.timeline-item {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Number Counter Animation */
.count-up {
    transition: transform 0.3s ease;
}

.count-up.animate {
    animation: countUp 1s ease forwards;
}

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

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

/* 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;
    }
}