/* Pełnoekranowe tło — krople podążające za kursorem (canvas w JS) */
.water-bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 1s ease-out 0.15s;
}
.water-bg-canvas.is-ready { opacity: 1; }

body.has-water-bg { position: relative; }
body.has-water-bg .site-nav { z-index: 200; }
body.has-water-bg main,
body.has-water-bg footer,
body.has-water-bg .stats,
body.has-water-bg .wrap,
body.has-water-bg .breadcrumb {
  position: relative;
  z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
  .water-bg-canvas { display: none; }
}