/* ==========================================================================
   XZB Robot Theme — animations.css
   Animations and transitions
   ========================================================================== */

/* Pulse animation (for status dots) */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Fade in up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Slide in from right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale in */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Bounce */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Spin (for loaders) */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Shimmer (for skeleton loading) */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Scroll-triggered animation classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delay helpers */
.animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }
.animate-on-scroll:nth-child(7) { transition-delay: 0.6s; }
.animate-on-scroll:nth-child(8) { transition-delay: 0.7s; }

/* Loader */
.xzb-loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--c-border);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--c-light) 25%, var(--c-border-light) 50%, var(--c-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-card);
}

/* Hover lift utility */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-md);
}

/* Smooth scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--c-white);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  opacity: 0.6;
}

/* Button loading state */
.btn.loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--c-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Image lazy load fade-in */
img.lazyloaded {
  animation: fadeIn 0.4s ease;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}