/**
 * MNA 官网动画系统
 * 滚动揭示、淡入、悬停缩放等全局动画
 */

/* ========================================
   1. 滚动揭示 .reveal
   ======================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* 从左揭示 */
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* 从右揭示 */
.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* 缩放揭示 */
.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* 自定义延迟 */
[data-reveal-delay="0.1s"] {
  transition-delay: 0.1s;
}

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

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

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

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

[data-reveal-delay="0.6s"] {
  transition-delay: 0.6s;
}

/* ========================================
   2. 关键帧动画
   ======================================== */

/* 淡入上浮 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 弹跳 */
@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
}

/* ========================================
   3. 图片悬停缩放
   ======================================== */

.img-zoom-container {
  overflow: hidden;
}

.img-zoom-container img {
  transition: transform 0.5s ease;
}

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

/* ========================================
   4. 平滑滚动
   ======================================== */

html {
  scroll-behavior: smooth;
}

/* ========================================
   5. 计数动画预留
   ======================================== */

.count-up {
  font-variant-numeric: tabular-nums;
}

/* ========================================
   6. 其他常用动画类
   ======================================== */

/* 淡入 */
.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* 弹跳动画类 */
.bounce {
  animation: bounce 2s ease-in-out infinite;
}

/* 延迟类 */
.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}