/* ========================================
   MATRIX RAIN
======================================== */

body {
  position: relative;
  min-height: 100vh;
}

.matrix-rain {
  position: absolute;

  top: 0;
  right: 0;
  bottom: 0;
  left: 0;

  width: 100%;
  height: 100%;

  display: block;

  background-color: #000000;

  opacity: 0;
  visibility: hidden;

  pointer-events: none;

  z-index: 0;

  transition:
    opacity 400ms ease,
    visibility 400ms ease;
}

/* ========================================
   DARK MODE
======================================== */

html.body--dark .matrix-rain {
  opacity: 1;

  visibility: visible;

  filter: invert(1) hue-rotate(180deg);
}

/* ========================================
   PAGE CONTENT
======================================== */

body > section {
  position: relative;

  z-index: 1;
}

html.body--dark body > section {
  background-color: transparent;
}

/* ========================================
   FOOTER
======================================== */

body > footer {
  position: relative;

  z-index: 2;

  background-color: #9cb1e7;
}