/* =============================================
   Background Effects Component
   Reusable background patterns and effects
   ============================================= */

.bg-pattern {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 80%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 150, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(100, 0, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.grid-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Floating particles */
.particle {
  position: fixed;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.4;
  animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 80%; animation-delay: 2s; }
.particle:nth-child(3) { left: 60%; top: 10%; animation-delay: 4s; }
.particle:nth-child(4) { left: 80%; top: 70%; animation-delay: 6s; }
.particle:nth-child(5) { left: 90%; top: 40%; animation-delay: 8s; }