/* ============================================
   QUANTUM PARADOX — Animations
   Keyframes, Particles, Scroll Effects
   ============================================ */

/* === Floating Particles === */
@keyframes float-up {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

@keyframes float-drift {
  0%, 100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(10px, -15px);
  }
  50% {
    transform: translate(-5px, -25px);
  }
  75% {
    transform: translate(15px, -10px);
  }
}

/* === Pulse Glow === */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-blue-glow);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-blue-glow), 0 0 60px rgba(0, 102, 255, 0.2);
  }
}

@keyframes text-pulse-glow {
  0%, 100% {
    text-shadow: 0 0 10px var(--accent-blue-glow), 0 0 30px rgba(0, 102, 255, 0.2);
  }
  50% {
    text-shadow: 0 0 20px var(--accent-blue-glow), 0 0 50px rgba(0, 102, 255, 0.3), 0 0 80px rgba(0, 102, 255, 0.1);
  }
}

/* === Compass Spin (Slow) === */
@keyframes compass-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* === Scan Line === */
@keyframes scan-line {
  0% {
    top: -5%;
  }
  100% {
    top: 105%;
  }
}

/* === Typewriter === */
@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-cursor {
  0%, 100% { border-color: var(--accent-blue); }
  50% { border-color: transparent; }
}

/* === Fade Variants === */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in-left {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fade-in-right {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* === Scale Pop === */
@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* === Gradient Shift === */
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* === Counter Tick === */
@keyframes counter-tick {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* === Particle Container === */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent-blue);
  border-radius: 50%;
  opacity: 0;
  animation: float-up linear infinite;
  box-shadow: 0 0 6px var(--accent-blue-glow);
}

.particle:nth-child(odd) {
  width: 2px;
  height: 2px;
  animation-name: float-up;
}

/* === Map Grid Background === */
.map-grid-bg {
  position: relative;
}

.map-grid-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 102, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 102, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* === Noise Texture Overlay === */
.noise-overlay {
  position: relative;
}

.noise-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}