body {
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  color: var(--text);
  background-color: var(--bg);
  transition: background-color var(--transition), color var(--transition);
  line-height: 1.6;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    var(--scanline),
    var(--scanline) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 9999;
}

.section {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__label {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  font-weight: 400;
}

/* Selection */
::selection {
  background: var(--accent);
  color: var(--bg);
}

/* Focus states */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}