Radio Pop

<!-- Radio Pop — inner dot pops in with a spring on select -->
<label class="nuda-radio-pop">
  <input type="radio" name="ship" checked />
  <span class="nuda-radio-pop__circle"></span>
  <span class="nuda-radio-pop__label">Standard</span>
</label>
<label class="nuda-radio-pop">
  <input type="radio" name="ship" />
  <span class="nuda-radio-pop__circle"></span>
  <span class="nuda-radio-pop__label">Express</span>
</label>

.nuda-radio-pop {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.nuda-radio-pop input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  clip: rect(0,0,0,0);
  overflow: hidden;
}

.nuda-radio-pop__circle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 2px solid #555;
  border-radius: 50%;
  transition: border-color .25s ease;
}

.nuda-radio-pop__circle::after {
  content: '';
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #e4ff54;
  transform: scale(0);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}

.nuda-radio-pop input:checked+.nuda-radio-pop__circle {
  border-color: #e4ff54;
}

.nuda-radio-pop input:checked+.nuda-radio-pop__circle::after {
  transform: scale(1);
}

.nuda-radio-pop input:focus-visible+.nuda-radio-pop__circle {
  outline: 2px solid #e4ff54;
  outline-offset: 3px;
}

.nuda-radio-pop__label {
  color: #fafafa;
  font-size: 14px;
}

@media (prefers-reduced-motion:reduce) {
  .nuda-radio-pop__circle,.nuda-radio-pop__circle::after {
    transition: none;
  }
}