/* Decorative code rain shares the site's pause and visibility controls. */
.header { isolation: isolate; }
.header > :not(.matrix-rain) { position: relative; z-index: 1; }
.header > .matrix-rain {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  contain: paint;
  pointer-events: none;
  user-select: none;
  background: linear-gradient(90deg, #0c211440, #13321d24 50%, #0c211440);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.matrix-rain__stream {
  position: absolute;
  top: 0;
  left: var(--matrix-x);
  display: block;
  width: 1em;
  font: 500 11px/1.15 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 3px;
  white-space: nowrap;
  writing-mode: vertical-rl;
  text-orientation: upright;
  color: #7eec9e;
  background: linear-gradient(to bottom, transparent, #286c43 16%, #54d784 68%, #d9ffbf);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: var(--matrix-opacity, .36);
  transform: translate3d(0, -40%, 0);
}
.motion-ready .matrix-rain__stream {
  animation: matrix-code-fall var(--matrix-time) linear var(--matrix-delay) infinite;
}
@keyframes matrix-code-fall {
  from { transform: translate3d(0, -100%, 0); }
  to { transform: translate3d(0, 100px, 0); }
}
@media (max-width: 760px) {
  .matrix-rain__stream { font-size: 9px; letter-spacing: 2px; }
  .matrix-rain__stream:nth-child(even) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .header > .matrix-rain { display: none; }
}