:root {
  color: #111111;
  background: var(--page-background);
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  --page-background: #f7f7f7;
  --input-background: #f1f1f1;
  --input-border: #c9c9c9;
  --input-width: min(82vw, 460px);
  --input-height: 54px;
  --arrow-gap: 16px;
  --arrow-size: 38px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--page-background);
}

button,
input {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 22px;
}

.landing-stack {
  width: min(100%, 760px);
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: translateY(-1.5vh);
}

.brand-logo {
  width: clamp(220px, 18vw, 272px);
  height: auto;
  display: block;
  margin-bottom: 78px;
}

.signup-area {
  min-height: 124px;
  display: grid;
  place-items: start center;
}

.signup-form,
.success-message {
  grid-area: 1 / 1;
}

.signup-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 240ms ease,
    transform 240ms ease,
    visibility 240ms ease;
}

.signup-heading {
  color: #777777;
  font-size: clamp(22px, 1.7vw, 26px);
  font-weight: 400;
  line-height: 1.1;
}

.input-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(96vw, calc(var(--input-width) + ((var(--arrow-gap) + var(--arrow-size)) * 2)));
}

input {
  width: var(--input-width);
  height: var(--input-height);
  border: 1.5px solid var(--input-border);
  border-radius: 999px;
  background: var(--input-background);
  color: #222222;
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  text-align: center;
  outline: none;
  padding: 0 34px;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

input::placeholder {
  color: #888888;
  opacity: 1;
}

input:focus {
  border-color: #b8b8b8;
  box-shadow: 0 0 0 4px rgba(85, 185, 129, 0.09);
}

.send-button {
  position: absolute;
  left: calc(50% + (var(--input-width) / 2) + var(--arrow-gap));
  width: var(--arrow-size);
  height: var(--arrow-size);
  display: inline-grid;
  place-items: center;
  border: 0;
  padding: 0;
  background: transparent;
  color: #55b981;
  cursor: pointer;
  opacity: 0.92;
  transform: translateX(0);
  transition:
    color 200ms ease,
    opacity 200ms ease,
    transform 200ms ease;
}

.send-button svg {
  width: var(--arrow-size);
  height: auto;
  display: block;
  overflow: visible;
}

.send-button path {
  fill: currentColor;
  stroke: none;
}

.send-button:hover,
.send-button:focus-visible {
  color: #61c98f;
  opacity: 1;
  transform: translateX(6px);
}

.send-button:focus-visible {
  outline: 2px solid rgba(85, 185, 129, 0.36);
  outline-offset: 5px;
  border-radius: 999px;
}

.send-button:disabled {
  cursor: default;
  opacity: 0.42;
  transform: none;
}

.form-message {
  min-height: 18px;
  margin: -12px 0 0;
  color: #9a4b4b;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
}

.success-message {
  width: min(88vw, 560px);
  margin: 34px 0 0;
  color: #6f6f6f;
  font-size: clamp(20px, 1.55vw, 24px);
  font-weight: 400;
  line-height: 1.35;
  text-align: center;
  opacity: 0;
  transform: translateY(14px);
  visibility: hidden;
  transition:
    opacity 340ms ease 210ms,
    transform 340ms ease 210ms,
    visibility 340ms ease 210ms;
}

.signup-area.is-success .signup-form {
  opacity: 0;
  transform: translateY(-12px);
  visibility: hidden;
}

.signup-area.is-success .success-message {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

@media (max-width: 640px) {
  :root {
    --input-width: min(72vw, 280px);
    --input-height: 52px;
    --arrow-gap: 9px;
    --arrow-size: 28px;
  }

  .page-shell {
    padding-inline: 16px;
  }

  .landing-stack {
    transform: translateY(-1vh);
  }

  .brand-logo {
    width: clamp(194px, 58vw, 224px);
    margin-bottom: 62px;
  }

  .signup-form {
    gap: 22px;
  }

  .signup-heading {
    font-size: clamp(18px, 5.2vw, 21px);
  }

  .input-row {
    width: min(98vw, calc(var(--input-width) + ((var(--arrow-gap) + var(--arrow-size)) * 2)));
  }

  input {
    padding-inline: 20px;
    font-size: 17px;
  }
}

@media (max-width: 380px) {
  :root {
    --input-width: min(70vw, 250px);
    --arrow-gap: 7px;
    --arrow-size: 26px;
  }

  input {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}