/**
 * Animated Gradient Background with Random Moving Patterns
 */

/* Main animated gradient background */
.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(
    135deg,
    #0a0a0a 0%,
    #151515 25%,
    #1f1f1f 50%,
    #151515 75%,
    #0a0a0a 100%
  );
  background-size: 300% 300%;
  animation: gradientShift 45s linear infinite;
}

/* Primary gradient animation - much slower */
@keyframes gradientShift {
  0% {
    background-position: 0% 0%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 100%;
  }
  75% {
    background-position: 0% 100%;
  }
  100% {
    background-position: 0% 0%;
  }
}

/* Sharp geometric shapes */
.gradient-orb {
  position: absolute;
  border-radius: 0;
  filter: blur(25px);
  opacity: 0.15;
  animation: geometricFloat 60s linear infinite;
  clip-path: polygon(20% 0%, 80% 0%, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0% 80%, 0% 20%);
}

.gradient-orb:nth-child(1) {
  width: 400px;
  height: 200px;
  background: linear-gradient(45deg, rgba(85, 85, 85, 0.2), rgba(68, 68, 68, 0.1));
  top: 15%;
  left: 5%;
  animation-delay: 0s;
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
}

.gradient-orb:nth-child(2) {
  width: 300px;
  height: 150px;
  background: linear-gradient(135deg, rgba(102, 102, 102, 0.15), rgba(85, 85, 85, 0.1));
  top: 45%;
  right: 10%;
  animation-delay: -20s;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
}

.gradient-orb:nth-child(3) {
  width: 350px;
  height: 180px;
  background: linear-gradient(225deg, rgba(76, 76, 76, 0.18), rgba(68, 68, 68, 0.08));
  bottom: 25%;
  left: 20%;
  animation-delay: -40s;
  clip-path: polygon(0 0, 75% 0, 100% 100%, 0 100%);
}

.gradient-orb:nth-child(4) {
  width: 250px;
  height: 120px;
  background: linear-gradient(315deg, rgba(85, 85, 85, 0.12), rgba(102, 102, 102, 0.08));
  top: 25%;
  right: 35%;
  animation-delay: -30s;
  clip-path: polygon(0 20%, 60% 20%, 60% 0, 100% 50%, 60% 100%, 60% 80%, 0 80%);
}

.gradient-orb:nth-child(5) {
  width: 320px;
  height: 160px;
  background: linear-gradient(180deg, rgba(68, 68, 68, 0.14), rgba(85, 85, 85, 0.06));
  bottom: 35%;
  right: 5%;
  animation-delay: -50s;
  clip-path: polygon(20% 0%, 80% 0%, 100% 100%, 0% 100%);
}

/* Slow geometric floating animation */
@keyframes geometricFloat {
  0%, 100% {
    transform: translateY(0px) translateX(0px) rotate(0deg) scaleX(1);
  }
  25% {
    transform: translateY(-15px) translateX(10px) rotate(2deg) scaleX(1.05);
  }
  50% {
    transform: translateY(-25px) translateX(-8px) rotate(-1deg) scaleX(0.95);
  }
  75% {
    transform: translateY(-10px) translateX(-15px) rotate(1deg) scaleX(1.02);
  }
}

/* Minimalistic geometric pattern */
.wave-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(45deg, transparent 48%, rgba(85, 85, 85, 0.03) 49%, rgba(85, 85, 85, 0.03) 51%, transparent 52%),
    linear-gradient(135deg, transparent 48%, rgba(68, 68, 68, 0.02) 49%, rgba(68, 68, 68, 0.02) 51%, transparent 52%);
  background-size: 120px 120px, 180px 180px;
  animation: geometricMove 80s linear infinite;
}

@keyframes geometricMove {
  0% {
    transform: translateX(0) translateY(0);
    opacity: 0.4;
  }
  100% {
    transform: translateX(-120px) translateY(-180px);
    opacity: 0.4;
  }
}

/* Subtle mesh overlay */
.mesh-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(0deg, transparent 70%, rgba(85, 85, 85, 0.02) 100%),
    linear-gradient(90deg, transparent 70%, rgba(68, 68, 68, 0.015) 100%);
  background-size: 100px 100px;
  animation: meshShift 100s linear infinite;
}

@keyframes meshShift {
  0% {
    transform: translateX(0) translateY(0);
  }
  100% {
    transform: translateX(-100px) translateY(-100px);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .gradient-orb {
    filter: blur(20px);
    opacity: 0.1;
  }
  
  .gradient-orb:nth-child(1) {
    width: 250px;
    height: 120px;
  }
  
  .gradient-orb:nth-child(2) {
    width: 200px;
    height: 100px;
  }
  
  .gradient-orb:nth-child(3) {
    width: 220px;
    height: 110px;
  }
  
  .gradient-orb:nth-child(4) {
    width: 180px;
    height: 90px;
  }
  
  .gradient-orb:nth-child(5) {
    width: 200px;
    height: 100px;
  }
  
  .wave-pattern {
    background-size: 80px 80px, 120px 120px;
  }
  
  .mesh-overlay {
    background-size: 60px 60px;
  }
}

/* Performance optimization */
.animated-background,
.gradient-orb,
.wave-pattern,
.mesh-overlay {
  will-change: transform;
  backface-visibility: hidden;
  transform-style: preserve-3d;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  .animated-background {
    animation-duration: 120s;
  }
  
  .gradient-orb {
    animation-duration: 180s;
  }
  
  .wave-pattern,
  .mesh-overlay {
    animation-duration: 200s;
  }
}