/* ============================================================
   PARTICLE CANVAS (background)
   ============================================================ */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ============================================================
   DATA STREAM EFFECT (both sides)
   ============================================================ */
.data-stream {
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.data-stream.left {
  left: 0;
  width: 60px;
}
.data-stream.right {
  right: 0;
  width: 60px;
}
.data-stream .col {
  position: absolute;
  top: -100%;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--secondary);
  writing-mode: vertical-rl;
  white-space: nowrap;
  animation: dataFall linear infinite;
  opacity: 0.18;
}
.data-stream .col.bright {
  opacity: 0.35;
  font-size: 13px;
  font-weight: bold;
  color: var(--primary);
  text-shadow: 0 0 6px var(--primary-glow);
}
.data-stream.left .col {
  color: var(--primary);
}
.data-stream.left .col.bright {
  color: var(--secondary);
  text-shadow: 0 0 6px var(--secondary-glow);
}
@keyframes dataFall {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(calc(100vh + 100%));
  }
}

/* ============================================================
   FLOATING ORBS (decorative)
   ============================================================ */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  animation: orbFloat 15s ease-in-out infinite;
}
.orb-1 {
  width: 400px;
  height: 400px;
  background: var(--primary-glow);
  top: 10%;
  left: -10%;
}
.orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-glow);
  top: 50%;
  right: -8%;
  animation-delay: -5s;
}
.orb-3 {
  width: 350px;
  height: 350px;
  background: var(--secondary-glow);
  bottom: 5%;
  left: 20%;
  animation-delay: -10s;
}
@keyframes orbFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.05);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}