/* ========================================
   品达环球 - 动画特效样式
   Pinda Global - Animation Styles
   ======================================== */

/* Fade In Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Scale & Pulse */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

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

/* Slide Animations */
@keyframes slideInFromLeft {
  from { transform: translateX(-100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInFromRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Special Effects */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(0, 102, 255, 0.5),
                0 0 10px rgba(0, 102, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.8),
                0 0 20px rgba(0, 102, 255, 0.5);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

/* Animation Utility Classes */
.animate-fade-in { animation: fadeIn 0.6s ease-out; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease-out; }
.animate-fade-in-left { animation: fadeInLeft 0.6s ease-out; }
.animate-fade-in-right { animation: fadeInRight 0.6s ease-out; }
.animate-scale-in { animation: scaleIn 0.6s ease-out; }
.animate-slide-left { animation: slideInFromLeft 0.8s ease-out; }
.animate-slide-right { animation: slideInFromRight 0.8s ease-out; }
.animate-glow { animation: glow 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Staggered Delays */
.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; }

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hover-scale {
  transition: transform 0.3s ease;
}
.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow 0.3s ease;
}
.hover-glow:hover {
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.6);
}

/* Button Pulse */
.btn-pulse {
  position: relative;
}
.btn-pulse::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: inherit;
  transform: translate(-50%, -50%);
  animation: pulse-ring 2s ease-out infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0, 102, 255, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}