/* Animated Background Patterns for ARCx */

/* Main animated background container */
.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

/* Floating geometric patterns */
.bg-pattern {
  position: absolute;
  opacity: 0.03;
  animation: float 20s ease-in-out infinite;
}

.bg-pattern:nth-child(1) {
  top: 10%;
  left: 5%;
  width: 200px;
  height: 200px;
  border: 1px solid #0052ff;
  border-radius: 50%;
  animation-delay: 0s;
  animation-duration: 25s;
}

.bg-pattern:nth-child(2) {
  top: 60%;
  right: 10%;
  width: 150px;
  height: 150px;
  border: 1px solid #00d4ff;
  transform: rotate(45deg);
  animation-delay: -5s;
  animation-duration: 30s;
}

.bg-pattern:nth-child(3) {
  bottom: 20%;
  left: 15%;
  width: 180px;
  height: 180px;
  border: 1px solid #0052ff;
  border-radius: 20px;
  animation-delay: -10s;
  animation-duration: 22s;
}

.bg-pattern:nth-child(4) {
  top: 30%;
  right: 25%;
  width: 120px;
  height: 120px;
  border: 1px solid #00d4ff;
  border-radius: 50%;
  animation-delay: -15s;
  animation-duration: 28s;
}

.bg-pattern:nth-child(5) {
  bottom: 40%;
  right: 5%;
  width: 160px;
  height: 160px;
  border: 1px solid #0052ff;
  transform: rotate(30deg);
  animation-delay: -8s;
  animation-duration: 26s;
}

/* Flowing lines */
.bg-line {
  position: absolute;
  opacity: 0.02;
  background: linear-gradient(45deg, transparent, #0052ff, transparent);
  animation: flow 15s linear infinite;
}

.bg-line:nth-child(6) {
  top: 0;
  left: 20%;
  width: 2px;
  height: 100vh;
  animation-delay: 0s;
  transform: rotate(15deg);
}

.bg-line:nth-child(7) {
  top: 0;
  right: 30%;
  width: 1px;
  height: 100vh;
  animation-delay: -3s;
  transform: rotate(-10deg);
}

.bg-line:nth-child(8) {
  top: 0;
  left: 60%;
  width: 1px;
  height: 100vh;
  animation-delay: -6s;
  transform: rotate(8deg);
}

/* Subtle grid overlay */
.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.01;
  background-image: 
    linear-gradient(rgba(0, 82, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 82, 255, 0.1) 1px, transparent 1px);
  background-size: 100px 100px;
  animation: gridShift 40s ease-in-out infinite;
}

/* Breathing orbs */
.bg-orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.02), transparent);
  animation: breathe 8s ease-in-out infinite;
}

.bg-orb:nth-child(10) {
  top: 15%;
  left: 80%;
  width: 300px;
  height: 300px;
  animation-delay: 0s;
}

.bg-orb:nth-child(11) {
  bottom: 10%;
  left: 10%;
  width: 250px;
  height: 250px;
  animation-delay: -4s;
}

.bg-orb:nth-child(12) {
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  animation-delay: -2s;
  transform: translate(-50%, -50%);
}

/* Keyframe animations */
@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.03;
  }
  25% {
    transform: translateY(-20px) rotate(2deg);
    opacity: 0.05;
  }
  50% {
    transform: translateY(-10px) rotate(-1deg);
    opacity: 0.02;
  }
  75% {
    transform: translateY(-30px) rotate(1deg);
    opacity: 0.04;
  }
}

@keyframes flow {
  0% {
    transform: translateY(-100vh) rotate(15deg);
    opacity: 0;
  }
  10%, 90% {
    opacity: 0.02;
  }
  100% {
    transform: translateY(100vh) rotate(15deg);
    opacity: 0;
  }
}

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

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 0.02;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.04;
  }
}

/* Particle system */
.bg-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #00d4ff;
  border-radius: 50%;
  opacity: 0.1;
  animation: particle 12s linear infinite;
}

.bg-particle:nth-child(13) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.bg-particle:nth-child(14) {
  top: 70%;
  left: 90%;
  animation-delay: -3s;
}

.bg-particle:nth-child(15) {
  top: 40%;
  left: 70%;
  animation-delay: -6s;
}

.bg-particle:nth-child(16) {
  top: 80%;
  left: 30%;
  animation-delay: -9s;
}

@keyframes particle {
  0% {
    transform: translate(0, 0);
    opacity: 0;
  }
  10%, 90% {
    opacity: 0.1;
  }
  100% {
    transform: translate(100px, -100px);
    opacity: 0;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .bg-pattern {
    opacity: 0.02;
  }
  
  .bg-orb {
    opacity: 0.8;
  }
  
  .bg-grid {
    background-size: 50px 50px;
    opacity: 0.005;
  }
  
  .bg-line {
    opacity: 0.01;
  }
}

/* Performance optimization */
.animated-background * {
  will-change: transform, opacity;
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

/* Additional subtle effects for enhanced immersion */
.bg-wave {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.008;
  background: linear-gradient(
    45deg,
    transparent 49%,
    rgba(0, 82, 255, 0.1) 50%,
    transparent 51%
  );
  animation: waveMove 25s ease-in-out infinite;
}

@keyframes waveMove {
  0%, 100% {
    transform: translateX(-100px) skewX(0deg);
  }
  50% {
    transform: translateX(100px) skewX(2deg);
  }
}