/* 滚动动画样式文件 */

/* 基础动画设置 */
.animate-on-scroll {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform, opacity;
}

/* 动画激活状态 */
.animate-on-scroll.animate-active {
    opacity: 1;
}

/* 淡入动画 */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.fade-in.animate-active {
    opacity: 1;
}

/* 从下方滑入 */
.slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-up.animate-active {
    opacity: 1;
    transform: translateY(0);
}

/* 从左侧滑入 */
.slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 从右侧滑入 */
.slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 缩放淡入 */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 旋转淡入 */
.rotate-in {
    opacity: 0;
    transform: rotate(-5deg) scale(0.95);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.rotate-in.animate-active {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* 延迟动画类 */
.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

.delay-500 {
    transition-delay: 0.5s;
}

/* 卡片组动画 - 用于多个卡片依次出现 */
.card-group .card-item,
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card-group.animate-active .card-item:nth-child(1),
.stagger-children.animate-active > *:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.card-group.animate-active .card-item:nth-child(2),
.stagger-children.animate-active > *:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.card-group.animate-active .card-item:nth-child(3),
.stagger-children.animate-active > *:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.card-group.animate-active .card-item:nth-child(4),
.stagger-children.animate-active > *:nth-child(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.card-group.animate-active .card-item:nth-child(5),
.stagger-children.animate-active > *:nth-child(5) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}

.card-group.animate-active .card-item:nth-child(6),
.stagger-children.animate-active > *:nth-child(6) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

/* 文字逐行出现动画 */
.text-reveal {
    overflow: hidden;
}

.text-reveal .line {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.text-reveal.animate-active .line:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.text-reveal.animate-active .line:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.text-reveal.animate-active .line:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

/* 计数器动画 */
.counter {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 图片悬浮效果增强 */
.image-float {
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.image-float.animate-active {
    animation: float 6s ease-in-out infinite;
}

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

/* 渐进式模糊效果 */
.blur-in {
    opacity: 0;
    filter: blur(10px);
    transition: all 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.blur-in.animate-active {
    opacity: 1;
    filter: blur(0px);
}

/* 响应式动画调整 */
@media (max-width: 768px) {
    .animate-on-scroll {
        transition-duration: 0.6s;
    }
    
    .slide-up,
    .slide-left,
    .slide-right {
        transform: translateY(30px);
    }
    
    .slide-left.animate-active,
    .slide-right.animate-active {
        transform: translateY(0);
    }
}

/* 减少动画效果（用户偏好设置） */
@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll,
    .fade-in,
    .slide-up,
    .slide-left,
    .slide-right,
    .scale-in,
    .rotate-in,
    .card-group .card-item,
    .text-reveal .line,
    .counter,
    .blur-in {
        transition: none;
        animation: none;
    }
    
    .animate-on-scroll,
    .fade-in,
    .slide-up,
    .slide-left,
    .slide-right,
    .scale-in,
    .rotate-in,
    .card-group .card-item,
    .text-reveal .line,
    .counter,
    .blur-in {
        opacity: 1;
        transform: none;
        filter: none;
    }
}