/* ========================================================
   AVINASHI STEEL - ANIMATIONS & TRANSITIONS
   Performant CSS3 keyframes & IntersectionObserver states
   ======================================================== */

/* Reveal Base Classes */
.reveal-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-fade-in {
  opacity: 0;
  transition: opacity 0.8s ease;
  will-change: opacity;
}

.reveal-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Active In-View State */
.is-revealed {
  opacity: 1 !important;
  transform: translate(0, 0) !important;
}

/* Stagger Delays for Grids */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* Pulse Animation for Accents */
@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(216, 27, 27, 0.5);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(216, 27, 27, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(216, 27, 27, 0);
  }
}

.pulse-dot {
  animation: pulseGlow 2s infinite;
}

/* Shimmer Highlight for Badges */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer-effect {
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0) 100%);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

/* Accessibility: Disable motion when requested */
@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;
  }
  
  .reveal-fade-up,
  .reveal-fade-in,
  .reveal-slide-left,
  .reveal-slide-right {
    opacity: 1 !important;
    transform: none !important;
  }
}