/**
 * 导潮广州 - 动画样式表
 * 水波纹粒子系统、SVG描边动画、CSS渐变流动等动态视觉特效
 * @author Kou (寇豆码)
 */

/* ===== 水波纹粒子系统 ===== */
.wave-canvas {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.6;
}

/* 水波纹容器 */
.wave-container {
  position: relative;
  overflow: hidden;
}

/* ===== CSS渐变流动 ===== */
.gradient-flow {
  background: linear-gradient(
    -45deg,
    #1A6B8E,
    #2E94B0,
    #C23B22,
    #2E94B0,
    #1A6B8E
  );
  background-size: 400% 400%;
  animation: gradientFlow 15s ease infinite;
}

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

/* 渐变文字 */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientTextShift 8s ease infinite;
  background-size: 200% auto;
}

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

/* ===== SVG描边动画 ===== */
.svg-draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: svgDraw 3s ease-in-out forwards;
}

@keyframes svgDraw {
  to { stroke-dashoffset: 0; }
}

.svg-draw--delay-1 { animation-delay: 0.5s; }
.svg-draw--delay-2 { animation-delay: 1s; }
.svg-draw--delay-3 { animation-delay: 1.5s; }

/* SVG脉冲动画 */
.svg-pulse {
  animation: svgPulse 2s ease-in-out infinite;
  transform-origin: center;
}

@keyframes svgPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

/* ===== 浮动动画 ===== */
.float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.float--delay-1 { animation-delay: 1s; }
.float--delay-2 { animation-delay: 2s; }
.float--delay-3 { animation-delay: 3s; }

/* ===== 旋转动画 ===== */
.rotate-slow {
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== 涟漪效果 ===== */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.ripple:active::after {
  width: 300px;
  height: 300px;
}

/* ===== 粒子漂浮 ===== */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(50px);
    opacity: 0;
  }
}

/* ===== 光晕脉冲 ===== */
.glow-pulse {
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(26, 107, 142, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(26, 107, 142, 0.6);
  }
}

/* ===== 打字机光标 ===== */
.typing-cursor::after {
  content: '|';
  animation: blink 1s step-end infinite;
  color: var(--color-primary);
  font-weight: 300;
}

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

/* ===== 入场动画 ===== */
.slide-in-left {
  animation: slideInLeft 0.6s ease forwards;
  opacity: 0;
}

.slide-in-right {
  animation: slideInRight 0.6s ease forwards;
  opacity: 0;
}

.slide-in-up {
  animation: slideInUp 0.6s ease forwards;
  opacity: 0;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 延迟类 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }

/* ===== 数字滚动动画 ===== */
.count-up {
  display: inline-block;
  transition: transform 0.3s ease;
}

/* ===== 加载旋转 ===== */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-bg-alt);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== 波浪线动画 ===== */
.wave-line {
  animation: waveLine 3s ease-in-out infinite;
}

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

/* ===== 文字逐字出现 ===== */
.text-reveal {
  overflow: hidden;
}

.text-reveal__inner {
  display: inline-block;
  transform: translateY(100%);
  animation: textReveal 0.8s cubic-bezier(0.77, 0, 0.175, 1) forwards;
}

@keyframes textReveal {
  to {
    transform: translateY(0);
  }
}

/* ===== 悬浮放大 ===== */
.hover-scale {
  transition: transform var(--transition-normal);
}

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

/* ===== 光泽扫过 ===== */
.shine {
  position: relative;
  overflow: hidden;
}

.shine::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s ease;
}

.shine:hover::before {
  left: 100%;
}

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

  .gradient-flow {
    animation: none;
  }

  .float,
  .rotate-slow,
  .glow-pulse,
  .svg-pulse {
    animation: none;
  }
}