:root {
  --size: 120px;
  --font-size: 4rem;
}

html,
body {
  box-sizing: border-box;
  min-height: 100vh;
  display: flex;
  align-content: center;
  justify-content: center;
  align-items: center;
  background-color: black;
}

.name {
  position: relative;
  display: flex;
}

.name .cosmic {
  position: relative;
  cursor: pointer;
  height: var(--size);
  display: flex;
  justify-content: center;
  align-items: center;
}
.name .cosmic span {
  font-size: var(--font-size);
  font-weight: 700;
  -webkit-text-stroke: 2px var(--color);
  color: transparent;
  transition: 0.5s;
}
.name .cosmic:hover span {
  opacity: 0;
}

.name .cosmic::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  font-size: var(--font-size);
  height: 0;
  font-weight: 700;
  overflow: hidden;
  transition: 0.6s ease-in-out;
  text-align: center;
  line-height: var(--size);
  color: var(--color);
}
.name .cosmic:hover::before {
  height: 100%;
  filter: drop-shadow(0 0 2rem var(--color));
}