body {
  margin: 0;
}

html {
  overflow: hidden scroll;
}

#loading-bg {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--initial-loader-bg, #03050A);
  gap: 1rem 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

#loading-bg.is-done {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.katusome-loader-mark {
  color: var(--initial-loader-color, #7C3AED);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.loading {
  position: relative;
  box-sizing: border-box;
  border: 3px solid transparent;
  border-radius: 50%;
  block-size: 40px;
  inline-size: 40px;
}

.loading .effect-1,
.loading .effect-2,
.loading .effect-3 {
  position: absolute;
  box-sizing: border-box;
  border: 3px solid transparent;
  border-radius: 50%;
  block-size: 100%;
  border-inline-start: 3px solid var(--initial-loader-color, #7C3AED);
  inline-size: 100%;
}

.loading .effect-1 {
  animation: rotate 1s ease infinite;
}

.loading .effect-2 {
  animation: rotate-opacity 1s ease infinite 0.1s;
}

.loading .effect-3 {
  animation: rotate-opacity 1s ease infinite 0.2s;
}

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(1turn); }
}

@keyframes rotate-opacity {
  0% {
    opacity: 0.1;
    transform: rotate(0deg);
  }

  100% {
    opacity: 1;
    transform: rotate(1turn);
  }
}