/* Tech-Themed Animated Background - Mobile Developer Portfolio */

/* Base Background - Enhanced Gradient */
.tech-bg-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
}

.light .tech-bg-container {
  background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 50%, #e8eef5 100%);
}

/* Enhanced Animated Gradient Orbs */
.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  animation: orbFloat 25s infinite ease-in-out;
  opacity: 0.4;
}

.gradient-orb:nth-child(1) {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(102,126,234,0.5), transparent);
  top: -10%;
  right: -10%;
  animation-duration: 30s;
}

.gradient-orb:nth-child(2) {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(214,178,94,0.4), transparent);
  bottom: -10%;
  left: -10%;
  animation-duration: 35s;
  animation-delay: 5s;
}

.gradient-orb:nth-child(3) {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(118,75,162,0.35), transparent);
  top: 40%;
  left: 50%;
  animation-duration: 28s;
  animation-delay: 10s;
}

.light .gradient-orb:nth-child(1) {
  background: radial-gradient(circle, rgba(102,126,234,0.15), transparent);
}

.light .gradient-orb:nth-child(2) {
  background: radial-gradient(circle, rgba(214,178,94,0.12), transparent);
}

.light .gradient-orb:nth-child(3) {
  background: radial-gradient(circle, rgba(118,75,162,0.1), transparent);
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.9); }
}

/* Floating Particles - Animated Background Elements */
.floating-particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: particleFloat 20s infinite ease-in-out;
}

.floating-particle:nth-child(1) {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(214,178,94,0.3), transparent);
  top: 10%;
  left: 10%;
  animation-duration: 25s;
  animation-delay: 0s;
}

.floating-particle:nth-child(2) {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(102,126,234,0.2), transparent);
  top: 60%;
  left: 80%;
  animation-duration: 30s;
  animation-delay: 5s;
}

.floating-particle:nth-child(3) {
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, rgba(214,178,94,0.4), transparent);
  top: 80%;
  left: 20%;
  animation-duration: 20s;
  animation-delay: 10s;
}

.floating-particle:nth-child(4) {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(118,75,162,0.25), transparent);
  top: 30%;
  left: 70%;
  animation-duration: 28s;
  animation-delay: 3s;
}

.floating-particle:nth-child(5) {
  width: 70px;
  height: 70px;
  background: radial-gradient(circle, rgba(214,178,94,0.35), transparent);
  top: 50%;
  left: 40%;
  animation-duration: 22s;
  animation-delay: 8s;
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -50px) scale(1.1); }
  50% { transform: translate(-30px, 50px) scale(0.9); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

/* Gradient Mesh Overlay - Depth Effect */
.mesh-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 30%, rgba(214,178,94,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(102,126,234,0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(118,75,162,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.light .mesh-overlay {
  background:
    radial-gradient(circle at 20% 30%, rgba(214,178,94,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(102,126,234,0.03) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(118,75,162,0.025) 0%, transparent 50%);
}

/* Subtle Grid Pattern */
.grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(214,178,94,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214,178,94,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.6;
}

.light .grid-pattern {
  background-image: 
    linear-gradient(rgba(139,107,31,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,107,31,0.04) 1px, transparent 1px);
  opacity: 0.4;
}
.code-symbol {
  position: absolute;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  color: rgba(214,178,94,0.08);
  pointer-events: none;
  animation: floatCode 20s infinite ease-in-out;
  font-size: 100px;
  opacity: 0.4;
}

.light .code-symbol {
  color: rgba(139,107,31,0.08);
  opacity: 0.3;
}

.code-symbol:nth-child(1) { 
  top: 15%; 
  right: 10%; 
  animation-duration: 25s; 
}

.code-symbol:nth-child(2) { 
  bottom: 20%; 
  left: 5%; 
  animation-duration: 30s; 
  animation-delay: 5s; 
}

.code-symbol:nth-child(3) { 
  top: 60%; 
  right: 15%; 
  animation-duration: 28s; 
  animation-delay: 10s; 
}

@keyframes floatCode {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.4; }
  50% { transform: translateY(-20px) rotate(5deg); opacity: 0.2; }
}

/* Tech Particles - Enhanced Visibility */
.tech-particle {
  position: absolute;
  pointer-events: none;
  opacity: 0.2;
  animation: techFloat 30s infinite ease-in-out;
}

.tech-particle i {
  font-size: 70px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.light .tech-particle {
  opacity: 0.15;
}

.light .tech-particle i {
  background: linear-gradient(135deg, #4a5fc1 0%, #5a3a7a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tech-particle:nth-child(1) { 
  top: 10%; 
  left: 15%; 
  animation-duration: 35s; 
}

.tech-particle:nth-child(2) { 
  bottom: 15%; 
  right: 20%; 
  animation-duration: 40s; 
  animation-delay: 10s; 
}

@keyframes techFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); opacity: 0.2; }
  50% { transform: translate(20px, -20px) rotate(180deg) scale(1.1); opacity: 0.12; }
}

/* Accent Lines - Enhanced Visibility */
.circuit-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.05;
}

.circuit-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, #d6b25e, transparent);
  height: 1px;
  animation: circuitPulse 6s ease-in-out infinite;
}

.light .circuit-line {
  background: linear-gradient(90deg, transparent, #8b6b1f, transparent);
  opacity: 0.8;
}

.circuit-line:nth-child(1) { 
  top: 25%; 
  width: 30%; 
  left: 10%; 
  animation-delay: 0s; 
}

.circuit-line:nth-child(2) { 
  top: 60%; 
  width: 40%; 
  right: 15%; 
  animation-delay: 2s; 
}

@keyframes circuitPulse {
  0%, 100% { opacity: 0.05; transform: scaleX(1); }
  50% { opacity: 0.12; transform: scaleX(1.05); }
}

/* Mobile Device Outline - Enhanced Visibility */
.mobile-outline {
  position: absolute;
  width: 180px;
  height: 360px;
  border: 1px solid rgba(214,178,94,0.08);
  border-radius: 30px;
  pointer-events: none;
  animation: mobileGlow 10s ease-in-out infinite;
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
}

.light .mobile-outline {
  border-color: rgba(139,107,31,0.1);
}

@keyframes mobileGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.25; }
}

/* Responsive Adjustments */
@media (max-width: 900px) {
  .code-symbol { 
    font-size: 80px; 
    opacity: 0.2;
  }
  .tech-particle i { 
    font-size: 60px; 
  }
  .mobile-outline { 
    width: 140px; 
    height: 280px; 
    right: 5%;
  }
  .gradient-orb { 
    filter: blur(80px); 
  }
}

/* Performance Optimization */
@media (prefers-reduced-motion: reduce) {
  .grid-pattern,
  .code-symbol,
  .tech-particle,
  .circuit-line,
  .gradient-orb,
  .mobile-outline {
    animation: none;
  }
}