/* Premium E-Commerce - Custom Animations & Keyframes */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes pulseBorder {
  0% {
    box-shadow: 0 0 0 0 rgba(17, 17, 17, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(17, 17, 17, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(17, 17, 17, 0);
  }
}

@keyframes pulseBorderDark {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

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

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

/* Scroll Animation Classes */
.scroll-anim {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-anim.animated {
  opacity: 1;
  transform: translateY(0);
}

.anim-delay-1 { transition-delay: 100ms; }
.anim-delay-2 { transition-delay: 200ms; }
.anim-delay-3 { transition-delay: 300ms; }
.anim-delay-4 { transition-delay: 400ms; }

/* Micro Interaction Utility Classes */
.hover-lift {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-lift:hover {
  transform: translateY(-6px);
}

.hover-scale {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-scale:hover {
  transform: scale(1.04);
}

/* Button Ripples */
.ripple-btn {
  position: relative;
  overflow: hidden;
}

.ripple-effect {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 0.6s linear;
  background-color: rgba(255, 255, 255, 0.35);
  width: 100px;
  height: 100px;
  margin-top: -50px;
  margin-left: -50px;
  pointer-events: none;
}

/* Skeleton Loading Shimmer */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

.dark-mode .skeleton {
  background: linear-gradient(90deg, #1e1e1e 25%, #2d2d2d 50%, #1e1e1e 75%);
  background-size: 200% 100%;
}