/* 
 * 吉尔吉斯斯坦国立医科大学网站
 * 动画效果
 */

/* 淡入效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 1s ease-in-out;
}

/* 从下方滑入 */
@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.slide-up {
  animation: slideUp 0.8s ease-out;
}

/* 从左侧滑入 */
@keyframes slideRight {
  from {
    transform: translateX(-50px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-right {
  animation: slideRight 0.8s ease-out;
}

/* 从右侧滑入 */
@keyframes slideLeft {
  from {
    transform: translateX(50px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-left {
  animation: slideLeft 0.8s ease-out;
}

/* 缩放效果 */
@keyframes scaleUp {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.scale-up {
  animation: scaleUp 0.8s ease-out;
}

/* 旋转效果 */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.rotate {
  animation: rotate 2s linear infinite;
}

/* 脉冲效果 */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

/* 闪烁效果 */
@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.blink {
  animation: blink 2s linear infinite;
}

/* 波浪效果 */
@keyframes wave {
  0% {
    transform: translateY(0);
  }
  25% {
    transform: translateY(-5px);
  }
  50% {
    transform: translateY(0);
  }
  75% {
    transform: translateY(5px);
  }
  100% {
    transform: translateY(0);
  }
}

.wave {
  animation: wave 2s ease-in-out infinite;
}

/* 滚动显示动画 */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 悬停效果 */
.hover-lift {
  transition: transform 0.3s ease;
}

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

.hover-shadow {
  transition: box-shadow 0.3s ease;
}

.hover-shadow:hover {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.hover-zoom {
  transition: transform 0.3s ease;
  overflow: hidden;
}

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

/* 加载动画 */
.loader {
  width: 48px;
  height: 48px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  animation: rotate 2s linear infinite;
  margin: 20px auto;
}

/* 页面过渡效果 */
.page-transition {
  animation: fadeIn 0.5s ease-in-out;
}

/* 按钮点击效果 */
.btn-effect {
  position: relative;
  overflow: hidden;
}

.btn-effect:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn-effect:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  20% {
    transform: scale(25, 25);
    opacity: 0.5;
  }
  100% {
    opacity: 0;
    transform: scale(40, 40);
  }
}