*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100vh;
  font-family: sans-serif;
}

.kangu-glow {
  background: radial-gradient(ellipse at center, rgba(100, 210, 240, 0.35) 0%, transparent 70%);
}

.earth-wrapper {
  opacity: 0;
  transform: scale(0.82) translateY(28px);
  transition: opacity 1.8s ease-out, transform 1.8s ease-out;
}

.earth-wrapper.visible {
  opacity: 1;
  transform: scale(1) translateY(0px);
}

.earth-loader {
  --watercolor: #5bb8d4;
  --landcolor: #7cc133;
  width: 9em;
  height: 9em;
  background-color: var(--watercolor);
  position: relative;
  overflow: hidden;
  border-radius: 50%;
  box-shadow:
    inset 0em 0.5em rgba(255, 255, 255, 0.35),
    inset 0em -0.5em rgba(0, 0, 0, 0.18),
    0 0 40px rgba(91, 184, 212, 0.5),
    0 0 80px rgba(91, 184, 212, 0.2);
  border: solid 0.18em rgba(255, 255, 255, 0.7);
  animation:
    earth-appear 1.8s ease-out forwards,
    earth-rotate-shadow 8s ease-in-out infinite 2s;
}

@keyframes earth-appear {
  0%   { filter: brightness(400%) blur(8px); box-shadow: none; }
  60%  { filter: brightness(200%) blur(2px); }
  100% {
    filter: brightness(100%) blur(0px);
    box-shadow:
      inset 0em 0.5em rgba(255,255,255,0.35),
      inset 0em -0.5em rgba(0,0,0,0.18),
      0 0 40px rgba(91,184,212,0.5),
      0 0 80px rgba(91,184,212,0.2);
  }
}

@keyframes earth-rotate-shadow {
  0%, 100% {
    box-shadow:
      inset 0em 0.5em rgba(255,255,255,0.35),
      inset 0em -0.5em rgba(0,0,0,0.18),
      0 0 40px rgba(91,184,212,0.5);
  }
  50% {
    box-shadow:
      inset 0.3em 0.5em rgba(255,255,255,0.35),
      inset -0.3em -0.5em rgba(0,0,0,0.18),
      0 0 50px rgba(91,184,212,0.6);
  }
}

.earth-loader svg:nth-child(1) {
  position: absolute;
  bottom: -2em;
  width: 8em;
  height: auto;
  animation: round1 6s infinite linear 0.75s;
}

.earth-loader svg:nth-child(2) {
  position: absolute;
  top: -3em;
  width: 8em;
  height: auto;
  animation: round1 6s infinite linear;
}

.earth-loader svg:nth-child(3) {
  position: absolute;
  top: -2.5em;
  width: 8em;
  height: auto;
  animation: round2 6s infinite linear;
}

.earth-loader svg:nth-child(4) {
  position: absolute;
  bottom: -2.2em;
  width: 8em;
  height: auto;
  animation: round2 6s infinite linear 0.75s;
}

@keyframes round1 {
  0%   { left: -2em; opacity: 1; transform: skewX(0deg)   rotate(0deg); }
  30%  { left: -7em; opacity: 1; transform: skewX(-25deg) rotate(25deg); }
  31%  { left: -7em; opacity: 0; transform: skewX(-25deg) rotate(25deg); }
  35%  { left: 8em;  opacity: 0; transform: skewX(25deg)  rotate(-25deg); }
  45%  { left: 8em;  opacity: 1; transform: skewX(25deg)  rotate(-25deg); }
  100% { left: -2em; opacity: 1; transform: skewX(0deg)   rotate(0deg); }
}

@keyframes round2 {
  0%   { left: 5em;  opacity: 1; transform: skewX(0deg)   rotate(0deg); }
  75%  { left: -8em; opacity: 1; transform: skewX(-25deg) rotate(25deg); }
  76%  { left: -8em; opacity: 0; transform: skewX(-25deg) rotate(25deg); }
  77%  { left: 9em;  opacity: 0; transform: skewX(25deg)  rotate(-25deg); }
  80%  { left: 9em;  opacity: 1; transform: skewX(25deg)  rotate(-25deg); }
  100% { left: 5em;  opacity: 1; transform: skewX(0deg)   rotate(0deg); }
}