/* 石家庄市恒业建设监理 - 动画效果样式 */

/* ===================== 滚动动画基础类 ===================== */
.fade-in,
.slide-up,
.slide-left,
.slide-right,
.scale-in,
.rotate-in {
    opacity: 0;
    transition: all var(--duration-slow) var(--ease-out);
}

.fade-in {
    transform: translateY(30px);
}

.slide-up {
    transform: translateY(50px);
}

.slide-left {
    transform: translateX(50px);
}

.slide-right {
    transform: translateX(-50px);
}

.scale-in {
    transform: scale(0.8);
}

.rotate-in {
    transform: rotate(-10deg) scale(0.9);
}

/* 动画触发后的状态 */
.fade-in.animate-in,
.slide-up.animate-in,
.slide-left.animate-in,
.slide-right.animate-in,
.scale-in.animate-in,
.rotate-in.animate-in {
    opacity: 1;
    transform: none;
}

/* ===================== 级联动画 ===================== */
.animate-cascade > * {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--duration-base) var(--ease-out);
}

.animate-cascade.animate-in > * {
    opacity: 1;
    transform: translateY(0);
}

/* 延迟动画 */
.animate-cascade > *:nth-child(1) { transition-delay: 0.1s; }
.animate-cascade > *:nth-child(2) { transition-delay: 0.2s; }
.animate-cascade > *:nth-child(3) { transition-delay: 0.3s; }
.animate-cascade > *:nth-child(4) { transition-delay: 0.4s; }
.animate-cascade > *:nth-child(5) { transition-delay: 0.5s; }
.animate-cascade > *:nth-child(6) { transition-delay: 0.6s; }

/* ===================== 数字计数器动画 ===================== */
.counter {
    display: inline-block;
    font-weight: 700;
    font-size: var(--text-4xl);
    color: var(--primary-color);
    min-width: 100px;
}

.counter.counting {
    animation: pulse var(--duration-base) var(--ease-out);
}

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

/* ===================== 页面加载动画 ===================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--duration-slow) var(--ease-out);
}

.page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===================== 悬停效果 ===================== */
.hover-lift {
    transition: transform var(--duration-base) var(--ease-out);
}

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

.hover-scale {
    transition: transform var(--duration-base) var(--ease-out);
}

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

.hover-rotate {
    transition: transform var(--duration-base) var(--ease-out);
}

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

/* ===================== 文字动画 ===================== */
.text-reveal {
    position: relative;
    overflow: hidden;
}

.text-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    transition: left var(--duration-slow) var(--ease-out);
}

.text-reveal.animate-in::after {
    left: 100%;
}

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

.wave-animation::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z" fill="%23003C71" fill-opacity="0.1"/></svg>') repeat-x;
    animation: wave 10s linear infinite;
}

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

/* ===================== 图片展示动画 ===================== */
.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal img {
    transform: scale(1.2);
    transition: transform var(--duration-slower) var(--ease-out);
}

.image-reveal.animate-in img {
    transform: scale(1);
}

.image-overlay-zoom {
    position: relative;
    overflow: hidden;
}

.image-overlay-zoom::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
}

.image-overlay-zoom:hover::after {
    opacity: 0.2;
}

.image-overlay-zoom img {
    transition: transform var(--duration-slow) var(--ease-out);
}

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

/* ===================== 按钮动画 ===================== */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width var(--duration-base) var(--ease-out),
                height var(--duration-base) var(--ease-out);
}

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

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

.btn-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 70%
    );
    transform: rotate(45deg) translateX(-100%);
    transition: transform var(--duration-slow) var(--ease-out);
}

.btn-shine:hover::after {
    transform: rotate(45deg) translateX(100%);
}

/* ===================== 卡片动画 ===================== */
.card-flip {
    perspective: 1000px;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform var(--duration-slow) var(--ease-out);
    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);
}

/* ===================== 进度条动画 ===================== */
.progress-bar {
    position: relative;
    width: 100%;
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--bg-gradient);
    border-radius: var(--radius-full);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform var(--duration-slower) var(--ease-out);
}

.progress-bar.animate-in .progress-fill {
    transform: scaleX(1);
}

/* ===================== 打字机效果 ===================== */
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--primary-color);
    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);
    }
}

/* ===================== 滚动提示 ===================== */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    opacity: 0.7;
    cursor: pointer;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scroll-down 1.5s ease-in-out infinite;
}

@keyframes scroll-down {
    0% {
        top: 8px;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        top: 30px;
        opacity: 0;
    }
}

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

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

/* ===================== 光效动画 ===================== */
.light-effect {
    position: relative;
}

.light-effect::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, 
        transparent,
        var(--primary-color),
        transparent,
        var(--accent-color),
        transparent
    );
    z-index: -1;
    border-radius: inherit;
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
    animation: light-rotate 3s linear infinite;
}

.light-effect:hover::before {
    opacity: 1;
}

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

/* ===================== 响应式动画调整 ===================== */
@media (max-width: 768px) {
    /* 移动端减少动画复杂度 */
    .fade-in,
    .slide-up,
    .slide-left,
    .slide-right {
        transform: translateY(20px);
    }
    
    .animate-cascade > * {
        transform: translateY(20px);
    }
    
    /* 移动端禁用某些消耗性能的动画 */
    .wave-animation::before,
    .bg-gradient-animate,
    .light-effect::before {
        animation: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    /* 为需要减少动画的用户禁用动画 */
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}