<h3 class="hover-1">Hover Me</h3>
<h3 class="hover-1 alt">Hover Me</h3>

.hover-1 {
  background: linear-gradient(#1095c1 0 0) var(--p,0%) / var(--p,0%) no-repeat;
  transition: .4s,background-position 0s;
}
.hover-1.alt {
  background: linear-gradient(#1095c1 0 0) calc(100% - var(--p,0%)) / var(--p,0%) no-repeat;
}
.hover-1:hover {
  --p: 100%;
}

body {
  height: 100vh;
  margin: 0;
  display: grid;
  gap: 20px;
  place-content: center;
}
h3 {
  font-family: system-ui, sans-serif;
  font-size: 3rem;
  margin:0;
  cursor: pointer;
  padding: 0 .07em;
}