/* ==========================================================================
   THE BURNING COIN (TBC) — ANIMATIONS STYLESHEET
   Keyframes, Transitions, Scroll Reveals & Ambient Micro-interactions
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. KEYFRAME ANIMATIONS
   -------------------------------------------------------------------------- */

/* Ambient Glow Pulse */
@keyframes ambientPulse {
  0% {
    transform: scale(0.95);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.08);
    opacity: 0.95;
  }
}

/* Floating Vertical Motion */
@keyframes floatSubtle {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(1deg);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Concentric Ring Rotations */
@keyframes spinSlow {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes spinReverse {
  0% {
    transform: rotate(360deg);
  }
  100% {
    transform: rotate(0deg);
  }
}

/* Fire Pulse / Shimmer */
@keyframes fireShimmer {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Badge Glow Pulse */
@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 4px var(--tbc-orange-fire);
    opacity: 0.8;
  }
  100% {
    box-shadow: 0 0 12px var(--tbc-gold-bright);
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   2. SCROLL REVEAL UTILITIES
   -------------------------------------------------------------------------- */
.tbc-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.tbc-reveal.tbc-reveal-left {
  transform: translateX(-35px);
}

.tbc-reveal.tbc-reveal-right {
  transform: translateX(35px);
}

.tbc-reveal.tbc-reveal-scale {
  transform: scale(0.92);
}

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

/* Stagger Delays for Grid Children */
.tbc-delay-1 { transition-delay: 0.1s; }
.tbc-delay-2 { transition-delay: 0.2s; }
.tbc-delay-3 { transition-delay: 0.3s; }
.tbc-delay-4 { transition-delay: 0.4s; }

/* --------------------------------------------------------------------------
   3. PREFERS-REDUCED-MOTION SUPPORT
   -------------------------------------------------------------------------- */
@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;
  }
  .tbc-reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}