.button {
  --color: #2e42ff;
  padding: 0.8em 2em;
  background-color: transparent;
  border-radius: 0.6em;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  font-weight: 700;
  font-size: 17px;
  border: 2px solid var(--color);
  font-family: inherit;
  text-transform: uppercase;
  color: #ffffff;
  z-index: 1;
  display: inline-block;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.button::before,
.button::after {
  content: "";
  display: block;
  width: 50px;
  height: 50px;
  transform: translate(-50%, -50%);
  position: absolute;
  border-radius: 50%;
  z-index: -1;
  background-color: var(--color);
  transition: 0.7s ease-in-out;
}

.button::before {
  top: -1em;
  left: -1em;
}

.button::after {
  left: calc(100% + 1em);
  top: calc(100% + 1em);
}

.button:hover::before,
.button:hover::after {
  height: 410px;
  width: 410px;
}

.button:hover {
  background: linear-gradient(135deg, #2e42ff, #6a75ff);
  color: #ffffff;
  border-color: #6a75ff;
  box-shadow:
    0 6px 15px rgba(46, 66, 255, 0.4),
    0 8px 24px rgba(46, 66, 255, 0.2);
  transform: translateY(-3px);
}

.button:active {
  transform: scale(0.97);
  filter: brightness(0.85);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  background: linear-gradient(135deg, #2e42ff, #5c6bff);
}

.button:focus {
  outline: none;
  border-color: #7289da;
  box-shadow: 0 0 0 4px rgba(46, 66, 255, 0.3);
}