/* ==========================================================================
   UNIFIED CONCEPTS - ANIMATIONS & SCROLL REVEAL
   ========================================================================== */

/* Keyframe Animations */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes ripple {
  0% {
    width: 0;
    height: 0;
    opacity: 0.5;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

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

/* Scroll Reveal Classes (Driven by IntersectionObserver in animation.js) */
.reveal {
  opacity: 0;
  transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo);
  will-change: opacity, transform;
}

.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 800ms var(--ease-out-expo), transform 800ms var(--ease-out-expo);
}

.reveal.active,
.reveal-up.active,
.reveal-scale.active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger Delays */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }
.delay-6 { transition-delay: 600ms; }

/* Micro-interaction Ripple Utility */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: ripple 600ms linear forwards;
}