/* AOS (Animate On Scroll) 动画库 */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.6s;
    transition-timing-function: ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

/* 淡入动画 */
[data-aos="fade-up"] {
    transform: translateY(30px);
}

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

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* 缩放动画 */
[data-aos="zoom-in"] {
    transform: scale(0.8);
}

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

[data-aos="zoom-out"] {
    transform: scale(1.2);
}

[data-aos="zoom-out"].aos-animate {
    transform: scale(1);
}

/* 翻转动画 */
[data-aos="flip-left"] {
    transform: perspective(2500px) rotateY(-100deg);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(2500px) rotateY(0);
}

[data-aos="flip-right"] {
    transform: perspective(2500px) rotateY(100deg);
}

[data-aos="flip-right"].aos-animate {
    transform: perspective(2500px) rotateY(0);
}

/* 滑动动画 */
[data-aos="slide-up"] {
    transform: translateY(100px);
}

[data-aos="slide-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="slide-down"] {
    transform: translateY(-100px);
}

[data-aos="slide-down"].aos-animate {
    transform: translateY(0);
}

/* 延迟动画 */
[data-aos-delay="100"] {
    transition-delay: 0.1s;
}

[data-aos-delay="200"] {
    transition-delay: 0.2s;
}

[data-aos-delay="300"] {
    transition-delay: 0.3s;
}

[data-aos-delay="400"] {
    transition-delay: 0.4s;
}

[data-aos-delay="500"] {
    transition-delay: 0.5s;
}

/* 持续时间 */
[data-aos-duration="300"] {
    transition-duration: 0.3s;
}

[data-aos-duration="600"] {
    transition-duration: 0.6s;
}

[data-aos-duration="900"] {
    transition-duration: 0.9s;
}

[data-aos-duration="1200"] {
    transition-duration: 1.2s;
}

/* 自定义动画 */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-30px);
    }
    70% {
        transform: translateY(-15px);
    }
    90% {
        transform: translateY(-4px);
    }
}

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

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

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

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

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

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

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

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

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

/* 悬停动画 */
.hover-pulse:hover {
    animation: pulse 0.6s ease-in-out;
}

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

.hover-shake:hover {
    animation: shake 0.5s ease-in-out;
}

/* 加载动画 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 进度条动画 */
.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    animation: progressFill 2s ease-out;
}

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

/* 文字打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

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

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

/* 卡片翻转效果 */
.flip-card {
    perspective: 1000px;
    height: 300px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

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

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.flip-card-front {
    background: var(--white);
    color: var(--gray-900);
}

.flip-card-back {
    background: var(--primary-color);
    color: var(--white);
    transform: rotateY(180deg);
}

/* 波浪动画 */
.wave {
    position: relative;
    overflow: hidden;
}

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

@keyframes wave {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* 呼吸动画 */
.breathing {
    animation: breathing 3s ease-in-out infinite;
}

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

/* 闪烁动画 */
.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* 渐变背景动画 */
.gradient-bg {
    background: linear-gradient(-45deg, var(--primary-color), var(--secondary-color), var(--accent-color), var(--primary-light));
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    z-index: 1001;
}

.scroll-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.1s ease;
}

/* 导航栏滚动效果 */
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

/* 汉堡菜单动画 */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 按钮点击效果 */
.btn:active {
    transform: scale(0.95);
}

/* 图片懒加载动画 */
.lazy-image {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.lazy-image.loaded {
    opacity: 1;
}

/* 工具提示动画 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* 模态框动画 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 2000;
}

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

.modal-content {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    transform: scale(0.7);
    transition: var(--transition-normal);
}

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

/* 通知动画 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--success-color);
    transform: translateX(100%);
    transition: var(--transition-normal);
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

/* 响应式动画调整 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 768px) {
    .floating-card {
        animation: none;
    }
    
    .typewriter {
        animation: none;
        white-space: normal;
        border-right: none;
    }
}