/* Global Button Module
   Light surface: blue outline/text -> blue flood/white text.
   Dark surface: white outline/text -> white flood/dark text. */
:root {
  --btn-blue: #164cdf;
  --btn-blue-ink: #fff;
  --btn-dark-ink: #121314;
  --btn-radius: 0;
  --btn-border: 1.5px;
  --btn-pad: 1.1rem 2.4rem;
  --btn-font: 18px;
  --btn-ease: cubic-bezier(.1, 0, .3, 1);
  --btn-disc-duration: .3s;
  --btn-text-duration: .2s;
  --btn-text-scale: 1.5;
  --btn-color-duration: .26s;
}

.button {
  position: relative;
  display: inline-block;
  overflow: hidden;
  width: auto;
  min-height: 0;
  padding: var(--btn-pad);
  border: var(--btn-border) solid var(--btn-blue);
  border-radius: var(--btn-radius);
  background: transparent;
  color: var(--btn-blue);
  font-family: var(--sans, DunbenSans, Helvetica, Arial, sans-serif);
  font-size: var(--btn-font);
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  text-shadow: none;
  cursor: pointer;
  isolation: isolate;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--btn-color-duration) var(--btn-ease);
}

.button::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -110%;
  left: -10%;
  width: 120%;
  height: 0;
  padding-bottom: 120%;
  border-radius: 50%;
  background: var(--btn-blue);
  transform: translate3d(0, 68%, 0) scale3d(0, 0, 0);
  pointer-events: none;
}

.button:hover::before,
.button:focus-visible::before {
  transform: translate3d(0, 0, 0) scale3d(1, 1, 1);
  transition: transform var(--btn-disc-duration) var(--btn-ease);
}

.button::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: var(--btn-blue);
  transform: translate3d(0, -100%, 0);
  transition: transform var(--btn-disc-duration) var(--btn-ease);
  pointer-events: none;
}

.button:hover::after,
.button:focus-visible::after {
  transform: translate3d(0, 0, 0);
  transition-duration: .05s;
  transition-delay: var(--btn-disc-duration);
  transition-timing-function: linear;
}

.button:hover,
.button:focus-visible {
  color: var(--btn-blue-ink);
}

.button:focus-visible {
  outline: 2px solid var(--btn-blue);
  outline-offset: 4px;
}

.button .text,
.button .text span {
  position: relative;
  z-index: 1;
  color: inherit;
  text-shadow: none;
}

.button .text {
  display: inline-grid;
  align-items: center;
  justify-items: center;
  overflow: hidden;
  line-height: inherit;
  white-space: nowrap;
}

.button .text span {
  grid-area: 1 / 1;
  display: block;
  white-space: nowrap;
}

.button .text[data-btn-label]::after {
  content: attr(data-btn-label);
  grid-area: 1 / 1;
  position: relative;
  z-index: 1;
  display: block;
  color: inherit;
  white-space: nowrap;
  opacity: 0;
  transform: translate3d(0, 110%, 0) scale3d(1, var(--btn-text-scale), 1);
  transition:
    transform var(--btn-text-duration) var(--btn-ease),
    opacity var(--btn-text-duration) var(--btn-ease);
  pointer-events: none;
}

.button .text[data-btn-label] > span {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition:
    transform var(--btn-text-duration) var(--btn-ease),
    opacity var(--btn-text-duration) var(--btn-ease);
}

.button:hover .text[data-btn-label] > span,
.button:focus-visible .text[data-btn-label] > span {
  opacity: 0;
  transform: translate3d(0, -105%, 0) scale3d(1, var(--btn-text-scale), 1);
}

.button:hover .text[data-btn-label]::after,
.button:focus-visible .text[data-btn-label]::after {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition-delay: var(--btn-text-duration);
}

.button--on-dark {
  border-color: #fff;
  color: #fff;
}

.button--on-dark::before,
.button--on-dark::after {
  background: #fff;
}

.button--on-dark:hover,
.button--on-dark:focus-visible {
  color: var(--btn-dark-ink);
}

@media (max-width: 767px) {
  :root {
    --btn-pad: .9rem 1.5rem;
    --btn-font: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button::before,
  .button::after,
  .button .text,
  .button .text::after,
  .button .text span {
    transition: none;
    animation: none;
  }

  .button:hover .text[data-btn-label] > span,
  .button:focus-visible .text[data-btn-label] > span {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .button .text[data-btn-label]::after {
    display: none;
  }

  .button:hover::after,
  .button:focus-visible::after {
    transform: translate3d(0, 0, 0);
  }
}