/* Cyber & Neon Animations */

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4), 0 0 30px rgba(99, 102, 241, 0.2);
  }
  50% {
    box-shadow: 0 0 25px rgba(0, 242, 254, 0.7), 0 0 50px rgba(99, 102, 241, 0.4);
  }
}

@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(2deg);
  }
}

@keyframes floatReverse {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(10px) rotate(-2deg);
  }
}

@keyframes gridMove {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 50px 50px;
  }
}

@keyframes borderRotate {
  0% {
    --gradient-angle: 0deg;
  }
  100% {
    --gradient-angle: 360deg;
  }
}

@keyframes laserScan {
  0% {
    top: -10%;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    top: 110%;
    opacity: 0;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes spinSlow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Floating Puzzle Elements */
.floating-piece {
  position: absolute;
  pointer-events: none;
  opacity: 0.7;
  filter: drop-shadow(0 0 12px var(--accent-cyan));
  animation: floatSlow 6s ease-in-out infinite;
  z-index: 1;
}

.floating-piece:nth-child(2) {
  animation: floatReverse 7s ease-in-out infinite;
  animation-delay: -1s;
}

.floating-piece:nth-child(3) {
  animation: floatSlow 8s ease-in-out infinite;
  animation-delay: -2.5s;
}

.floating-piece:nth-child(4) {
  animation: floatReverse 6.5s ease-in-out infinite;
  animation-delay: -3.5s;
}

/* Reveal on Scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  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;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Shimmer Button Effect */
.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-150%) skewX(-20deg);
  animation: shimmer 3.5s infinite;
}

/* Cyber Scanning Line */
.scanner-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), #ffffff, var(--accent-cyan), transparent);
  box-shadow: 0 0 15px var(--accent-cyan), 0 0 30px var(--accent-cyan);
  animation: laserScan 4s ease-in-out infinite;
  z-index: 5;
  pointer-events: none;
}