.button {
  all: unset;
  cursor: pointer;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  position: relative;
  border-radius: 100em;
  background-color: rgba(0, 0, 0, 0.75);
  box-shadow:
    -0.15em -0.15em 0.15em -0.075em rgba(5, 5, 5, 0.25),
    0.0375em 0.0375em 0.0675em 0 rgba(5, 5, 5, 0.1);
}

.button::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: calc(100% + 0.3em);
  height: calc(100% + 0.3em);
  top: -0.15em;
  left: -0.15em;
  border-radius: inherit;
  background: linear-gradient(
    -135deg,
    rgba(5, 5, 5, 0.5),
    transparent 20%,
    transparent 100%
  );
  filter: blur(0.0125em);
  opacity: 0.25;
  mix-blend-mode: multiply;
}

.button .button-outer {
  position: relative;
  z-index: 1;
  border-radius: inherit;
  transition: box-shadow 300ms ease;
  will-change: box-shadow;
  box-shadow:
    0 0.05em 0.05em -0.01em rgba(5, 5, 5, 1),
    0 0.01em 0.01em -0.01em rgba(5, 5, 5, 0.5),
    0.15em 0.3em 0.1em -0.01em rgba(5, 5, 5, 0.25);
}

.button:hover .button-outer {
  box-shadow:
    0 0 0 0 rgba(5, 5, 5, 1),
    0 0 0 0 rgba(5, 5, 5, 0.5),
    0 0 0 0 rgba(5, 5, 5, 0.25);
}

.button-inner {
  --inset: 0.035em;
  position: relative;
  z-index: 1;
  border-radius: inherit;
  padding: 1em 1.5em;
  background-image: linear-gradient(
    135deg,
    rgba(230, 230, 230, 1),
    rgba(180, 180, 180, 1)
  );
  transition:
    box-shadow 300ms ease,
    clip-path 250ms ease,
    background-image 250ms ease,
    transform 250ms ease;
  will-change: box-shadow, clip-path, background-image, transform;
  overflow: clip;
  clip-path: inset(0 0 0 0 round 100em);
  box-shadow:
        /* 1 */
    0 0 0 0 inset rgba(5, 5, 5, 0.1),
    /* 2 */ -0.05em -0.05em 0.05em 0 inset rgba(5, 5, 5, 0.25),
    /* 3 */ 0 0 0 0 inset rgba(5, 5, 5, 0.1),
    /* 4 */ 0 0 0.05em 0.2em inset rgba(255, 255, 255, 0.25),
    /* 5 */ 0.025em 0.05em 0.1em 0 inset rgba(255, 255, 255, 1),
    /* 6 */ 0.12em 0.12em 0.12em inset rgba(255, 255, 255, 0.25),
    /* 7 */ -0.075em -0.25em 0.25em 0.1em inset rgba(5, 5, 5, 0.25);
}

.button:hover .button-inner {
  clip-path: inset(
    clamp(1px, 0.0625em, 2px) clamp(1px, 0.0625em, 2px)
      clamp(1px, 0.0625em, 2px) clamp(1px, 0.0625em, 2px) round 100em
  );
  box-shadow:
        /* 1 */
    0.1em 0.15em 0.05em 0 inset rgba(5, 5, 5, 0.75),
    /* 2 */ -0.025em -0.03em 0.05em 0.025em inset rgba(5, 5, 5, 0.5),
    /* 3 */ 0.25em 0.25em 0.2em 0 inset rgba(5, 5, 5, 0.5),
    /* 4 */ 0 0 0.05em 0.5em inset rgba(255, 255, 255, 0.15),
    /* 5 */ 0 0 0 0 inset rgba(255, 255, 255, 1),
    /* 6 */ 0.12em 0.12em 0.12em inset rgba(255, 255, 255, 0.25),
    /* 7 */ -0.075em -0.12em 0.2em 0.1em inset rgba(5, 5, 5, 0.25);
}

.button .button-inner span {
  position: relative;
  z-index: 4;
  font-family: "Inter", sans-serif;
  letter-spacing: -0.05em;
  font-weight: 500;
  color: rgba(0, 0, 0, 0);
  background-image: linear-gradient(
    135deg,
    rgba(25, 25, 25, 1),
    rgba(75, 75, 75, 1)
  );
  -webkit-background-clip: text;
  background-clip: text;
  transition: transform 250ms ease;
  display: block;
  will-change: transform;
  text-shadow: rgba(0, 0, 0, 0.1) 0 0 0.1em;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.button:hover .button-inner span {
  transform: scale(0.975);
}

.button:active .button-inner {
  transform: scale(0.975);
}