html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  cursor: none;
  --x: 0;
  --y: 0;
}

/* Custom Cursor */
body::before {
  content: '';
  position: fixed;
  width: 16px;
  height: 16px;
  border: 2px solid red;
  background: black;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(calc(var(--x) - 8px), calc(var(--y) - 8px));
}

/* Smooth Background Morphing */
.bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation-duration: 32s;
  animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
  z-index: -3;
}

.bg1 { background-image: url("images/grass-1.jpeg"); animation-name: fade1; }
.bg2 { background-image: url("images/grass-2.jpeg"); animation-name: fade2; }
.bg3 { background-image: url("images/grass-3.jpeg"); animation-name: fade3; }
.bg4 { background-image: url("images/grass-4.jpeg"); animation-name: fade4; }

@keyframes fade1 {
  0%, 25%   { opacity: 1; }
  33%, 100% { opacity: 0; }
}
@keyframes fade2 {
  25%, 50%  { opacity: 1; }
  58%, 100% { opacity: 0; }
}
@keyframes fade3 {
  50%, 75%  { opacity: 1; }
  83%, 100% { opacity: 0; }
}
@keyframes fade4 {
  75%, 100% { opacity: 1; }
  0%, 8%    { opacity: 0; }
}

/* Noise Overlay */
.noise {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: url('https://upload.wikimedia.org/wikipedia/commons/8/8c/White_noise.gif');
  opacity: 0.05;
  mix-blend-mode: overlay;
  z-index: -2;
}

/* Content */
.content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: white;
  font-family: monospace;
  margin-top: 20%;
  text-shadow: 0 0 10px black;
}