:root {
  --page: #d8d6ca;
  --input: #efefe7;
  --button: #ffffff;
  --text: #827361;
  --text-hover: #2b2823;
  --placeholder: rgba(130, 115, 97, 0.52);
  --control-height: 40px;
  --control-radius: 15px;
  --control-gap: 5px;
  --text-optical-shift: 1px;
  --input-width-rest: 104px;
  --input-width-focus: 180px;
  --input-indent-rest: 15px;
  --animate-global-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --animate-global-timing: 150ms;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--text);
  font-family: "sans text regular", Helvetica, Arial, sans-serif;
}

.site-mark {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.mark {
  display: block;
  width: auto;
  height: 40px;
}

.corner-dot {
  opacity: 1;
  transition: opacity var(--animate-global-timing) var(--animate-global-easing);
}

.site-mark:hover .corner-dot {
  opacity: 0;
}

main {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 1;
  pointer-events: none;
}

.signup-control {
  position: relative;
  pointer-events: auto;
}

.form-tooltip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 10px);
  margin: 0;
  color: var(--button);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 17px;
  text-align: center;
  text-transform: lowercase;
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--animate-global-timing) var(--animate-global-easing),
    transform var(--animate-global-timing) var(--animate-global-easing);
  pointer-events: none;
}

.signup-control:hover .form-tooltip,
.signup-control:focus-within .form-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.signup-control.is-complete .form-tooltip {
  opacity: 0;
  transform: translateY(14px);
}

.form-tooltip.is-error {
  opacity: 1;
  transform: translateY(0);
}

form,
.signup-message {
  display: grid;
  width: fit-content;
  max-width: 100%;
  height: calc(var(--control-height) + var(--control-gap) * 2);
  padding: var(--control-gap);
  border-radius: calc(var(--control-radius) + var(--control-gap));
  background: var(--input);
}

form {
  grid-template-columns: minmax(0, var(--input-width-rest)) auto;
  gap: 0;
  transition: grid-template-columns var(--animate-global-timing) var(--animate-global-easing);
}

form[hidden] {
  display: none;
}

.signup-message {
  place-items: center;
  min-width: 174px;
  margin: 0;
  padding: 0 calc(var(--control-height) / 2);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 17px;
  text-transform: uppercase;
}

.signup-message[hidden] {
  display: none;
}

form:has(.input-field:focus-within) {
  grid-template-columns: minmax(0, var(--input-width-focus)) auto;
}

.input-field,
button {
  display: flex;
  align-items: center;
  min-height: var(--control-height);
  border-radius: var(--control-radius);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 17px;
  text-transform: uppercase;
}

.input-field {
  min-width: 0;
  cursor: text;
}

input {
  width: 100%;
  min-width: 0;
  border: 0;
  padding: 0 calc(var(--control-height) / 2);
  background: transparent;
  color: var(--text);
  font: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  text-transform: inherit;
  outline: none;
  text-align: left;
  text-indent: var(--input-indent-rest);
  transform: translateY(var(--text-optical-shift));
  transition: text-indent var(--animate-global-timing) var(--animate-global-easing);
}

form:has(.input-field:focus-within) input {
  text-indent: 0;
}

input::placeholder {
  color: var(--placeholder);
  transition: color var(--animate-global-timing) var(--animate-global-easing);
}

.input-field:hover input::placeholder,
.input-field:focus-within input::placeholder {
  color: var(--text);
}

button {
  justify-content: center;
  border: 0;
  padding: 0 calc(var(--control-height) / 2);
  background: var(--button);
  color: var(--text);
  cursor: pointer;
  text-align: center;
  transition: color var(--animate-global-timing) var(--animate-global-easing);
}

button span,
.social-pill span,
.signup-message span {
  transform: translateY(var(--text-optical-shift));
}

button:hover,
.social-pill a:hover {
  color: var(--text-hover);
}

.social-pill {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  z-index: 2;
  display: grid;
  grid-auto-flow: column;
  gap: var(--control-gap);
  width: fit-content;
  height: calc(var(--control-height) + var(--control-gap) * 2);
  padding: var(--control-gap);
  border-radius: calc(var(--control-radius) + var(--control-gap));
  background: var(--input);
}

.social-pill a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: var(--control-height);
  padding: 0 calc(var(--control-height) / 2);
  border-radius: var(--control-radius);
  background: var(--button);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 17px;
  text-decoration: none;
  transition: color var(--animate-global-timing) var(--animate-global-easing);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 480px) {
  :root {
    --control-height: 44px;
  }

  form {
    --input-width-rest: 112px;
    --input-width-focus: min(190px, calc(100vw - 176px));
    width: fit-content;
    max-width: 100%;
    padding: var(--control-gap);
  }

  .input-field,
  button {
    min-height: var(--control-height);
    font-size: 16px;
  }

  input {
    font-size: 16px;
  }
}