@font-face {
  font-family: Inter;
  src: url("assets/inter-latin-variable.woff") format("woff");
  font-style: normal;
  font-weight: 400 750;
  font-display: swap;
}

:root {
  --color-bg: #e9eee7;
  --color-surface: #fffefa;
  --color-text: #213b38;
  --color-accent: #296b61;
  --color-muted: #5c6e65;
  --color-layer-near: #e3e8dd;
  --color-layer-far: #cdd9c9;
  --color-input: #f8f9f4;
  --color-border: #d8e0d7;
  --color-error: #91463b;
  --font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-card: 30px;
  --radius-control: 13px;
  --shadow-card: 0 16px 42px -20px rgb(33 59 56 / 19%), 0 3px 12px rgb(33 59 56 / 3%);
  --max-width: 1200px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  appearance: none;
  -webkit-appearance: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

p,
h1 {
  margin: 0;
}

::selection {
  background: #cfddd1;
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 5px;
}

.page-shell {
  display: flex;
  flex-direction: column;
  width: min(100%, var(--max-width));
  min-height: 100svh;
  margin-inline: auto;
  padding: max(34px, env(safe-area-inset-top)) 20px max(42px, env(safe-area-inset-bottom));
}

.brand-header {
  display: flex;
  flex-shrink: 0;
  justify-content: center;
  animation: appear 650ms var(--ease-out) both;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border-radius: 4px;
}

.wordmark {
  width: 158px;
}

.hero {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding-top: 34px;
  padding-bottom: 12px;
}

.card-stack {
  position: relative;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  /* Inset spreads create two narrow back layers without obscuring the surface. */
  box-shadow: 0 12px 0 -5px var(--color-layer-near),
    0 25px 0 -11px var(--color-layer-far), var(--shadow-card);
}

.waitlist-card {
  width: min(100%, 440px);
  padding: 43px 24px 30px;
  text-align: center;
  animation: settle 750ms var(--ease-out) 80ms both;
}

.hero-intro {
  animation: settle 650ms var(--ease-out) 180ms both;
}

.eyebrow {
  margin-bottom: 23px;
  color: var(--color-accent);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(30px, 9.6vw, 42px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.11;
}

h1 span {
  display: block;
}

.hero-description {
  margin-top: 22px;
  color: var(--color-muted);
  font-size: clamp(15px, 4.2vw, 17px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.55;
}

.waitlist-form {
  position: relative;
  display: grid;
  gap: 12px;
  margin-top: 32px;
  animation: settle 650ms var(--ease-out) 270ms both;
}

.email-control {
  display: flex;
}

input {
  width: 100%;
  min-width: 0;
  min-height: 56px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-input);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

input::placeholder {
  color: #63756a;
  opacity: 1;
}

input:focus {
  border-color: var(--color-accent);
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.submit-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 18px 20px;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--color-text);
  color: var(--color-surface);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1.5;
  text-transform: uppercase;
  transition: background-color 180ms ease, transform 180ms var(--ease-out);
}

@media (hover: hover) {
  .submit-button:not(:disabled):hover {
    transform: translateY(-2px);
    background: var(--color-accent);
  }
}

.submit-button:not(:disabled):active {
  transform: translateY(0) scale(0.99);
}

.submit-button:disabled {
  cursor: wait;
}

.submit-button[data-success="true"]:disabled {
  background: var(--color-accent);
  cursor: default;
}

.button-spinner {
  display: none;
  width: 14px;
  height: 14px;
  margin-left: 10px;
  border: 1.5px solid rgb(255 254 250 / 35%);
  border-top-color: var(--color-surface);
  border-radius: 50%;
  animation: spin 750ms linear infinite;
}

.waitlist-form[aria-busy="true"] .button-spinner {
  display: block;
}

.form-status {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
  overflow-wrap: anywhere;
}

.form-status:empty {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.form-status[data-state="error"] {
  color: var(--color-error);
}

.form-status[data-state="success"] {
  color: var(--color-accent);
}

.noscript-message {
  color: var(--color-error);
  font-size: 13px;
  line-height: 1.5;
}

.product-principle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--color-accent);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.mobile-principle {
  margin-top: 32px;
}

.principle-dot {
  color: #92a396;
}

.reassurance {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.5;
}

.product-visual {
  display: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@keyframes appear {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes settle {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (min-width: 600px) {
  .page-shell {
    padding: 42px 40px 56px;
  }

  .hero {
    padding-top: 44px;
  }

  .waitlist-card {
    padding: 56px 42px 38px;
    --radius-card: 34px;
  }

  h1 {
    font-size: 43px;
  }

  .eyebrow {
    margin-bottom: 27px;
  }

  .waitlist-form {
    margin-top: 36px;
  }

  .mobile-principle {
    margin-top: 36px;
  }
}

@media (min-width: 1000px) {
  .page-shell {
    padding: clamp(32px, 5vh, 56px) 40px 56px;
  }

  .brand-header {
    justify-content: flex-start;
  }

  .wordmark {
    width: 174px;
  }

  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 88px);
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .waitlist-card {
    width: 100%;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    text-align: left;
  }

  .eyebrow {
    margin-bottom: 26px;
    font-size: 11px;
  }

  h1 {
    font-size: clamp(48px, 4.4vw, 62px);
    letter-spacing: -0.055em;
    line-height: 1.1;
  }

  .hero-description {
    margin-top: 26px;
    font-size: 18px;
  }

  .mobile-break {
    display: none;
  }

  .waitlist-form {
    max-width: 390px;
    margin-top: 38px;
  }

  input,
  .submit-button {
    min-height: 58px;
  }

  input {
    background: var(--color-surface);
    border-color: #ccd7cb;
  }

  .mobile-principle {
    display: none;
  }

  .reassurance {
    margin-top: 19px;
  }

  .product-visual {
    display: block;
    padding-bottom: 14px;
    animation: settle 800ms var(--ease-out) 140ms both;
  }

  .principle-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    aspect-ratio: 0.76;
    max-height: clamp(460px, calc(100svh - 220px), 594px);
    padding: clamp(38px, 4vw, 48px) 20px 38px;
    --radius-card: 34px;
  }

  .visual-wordmark {
    width: 112px;
  }

  .principle-words {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding-bottom: 8px;
    font-size: clamp(51px, 5vw, 70px);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 1.17;
  }

  .principle-accent {
    color: var(--color-accent);
  }

  .visual-signature {
    color: var(--color-muted);
    font-size: 11px;
    letter-spacing: 0.03em;
    line-height: 1.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}