:root {
  --canvas: #e6f0eb;
  --surface: #dce9e3;
  --surface-raised: #eaf2ee;
  --surface-field: #eef5f2;
  --text: #1d3028;
  --text-secondary: #465b52;
  --green: #689184;
  --green-dark: #344f45;
  --green-soft: #cddfd7;
  --border: #94b3a6;
  --grid-line: rgb(52 79 69 / 13%);
  --focus: #1f5b48;
  --danger: #8b3e3e;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;
  --shell: 70rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  background-color: var(--canvas);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 30px 30px;
}

a {
  color: var(--green-dark);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

button,
input {
  font: inherit;
}

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

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--text);
  font-family: var(--font-heading);
  line-height: 1.12;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.7rem, 8vw, 5.8rem);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.3rem;
}

p {
  margin-top: 0;
}

.shell {
  width: min(calc(100% - 2rem), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--surface-field);
  background: var(--green-dark);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  padding-top: env(safe-area-inset-top);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--canvas) 94%, transparent);
}

.header-inner {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  flex: 0 0 auto;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem 1rem;
}

nav a {
  padding: 0.55rem 0;
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.65fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: end;
  padding-block: clamp(4rem, 9vw, 7rem);
}

.hero-copy,
.release-note,
.feature,
.signup-form,
.legal-page section {
  min-width: 0;
}

.eyebrow {
  margin-bottom: 0.75rem;
  color: var(--green-dark);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 42rem;
  color: var(--text-secondary);
  font-size: clamp(1.12rem, 2.4vw, 1.4rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.1rem;
  border: 2px solid var(--green-dark);
  border-radius: 0.45rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  color: var(--surface-field);
  background: var(--green-dark);
}

.button-primary:hover {
  color: var(--surface-field);
  background: #263d35;
}

.button-secondary {
  color: var(--green-dark);
  background: var(--surface-raised);
}

.button-secondary:hover {
  background: var(--green-soft);
}

.release-note {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 0.45rem solid var(--green-dark);
  background: var(--surface);
}

.release-label {
  margin-bottom: 0.25rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.release-note h2 {
  margin-bottom: 0.5rem;
  font-size: 1.8rem;
}

.release-date {
  margin-bottom: 1rem;
  color: var(--green-dark);
  font-size: 1.2rem;
  font-weight: 800;
}

.section {
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.section-heading > p:last-child {
  color: var(--text-secondary);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.feature {
  min-height: 13rem;
  padding: 1.5rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface-raised);
}

.feature p {
  color: var(--text-secondary);
}

.testing-section {
  border-block: 1px solid var(--border);
  background: var(--surface);
}

.testing-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 7vw, 5rem);
}

.checklist {
  border-top: 1px solid var(--border);
}

.checklist-item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.checklist-item > span {
  color: var(--green-dark);
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.checklist-item h3 {
  margin-bottom: 0.25rem;
}

.checklist-item p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.signup-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 8vw, 6rem);
  align-items: start;
}

.signup-copy p:last-child {
  color: var(--text-secondary);
  font-size: 1.08rem;
}

.signup-form {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--border);
  background: var(--surface-raised);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field label {
  font-weight: 800;
}

input[type="email"] {
  width: 100%;
  min-height: 3.35rem;
  padding: 0.75rem 0.85rem;
  border: 2px solid var(--border);
  border-radius: 0.35rem;
  color: var(--text);
  background: var(--surface-field);
}

input[type="email"]::placeholder {
  color: #62776e;
}

.consent {
  display: grid;
  grid-template-columns: 1.35rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  margin-block: 1rem;
  color: var(--text-secondary);
}

.consent input {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.18rem;
  accent-color: var(--green-dark);
}

.submit-button {
  width: 100%;
}

.form-note,
.form-status {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.form-status:not(:empty) {
  padding: 0.8rem;
  border-left: 0.3rem solid var(--green-dark);
  color: var(--text);
  background: var(--green-soft);
}

.honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
}

.site-footer {
  padding-block: 2.5rem calc(2.5rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: var(--green-soft);
}

.footer-layout {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand {
  margin-bottom: 0.75rem;
}

.footer-layout p {
  max-width: 28rem;
  margin-bottom: 0;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  max-width: 30rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem 1rem;
}

.footer-links a {
  font-weight: 700;
}

.legal-page {
  max-width: 52rem;
  padding-block: clamp(3rem, 8vw, 6rem);
}

.legal-page h1 {
  max-width: none;
  font-size: clamp(2.5rem, 7vw, 4.6rem);
}

.legal-updated {
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
}

.legal-page section {
  margin-block: 1.25rem;
  padding: 1.25rem;
  border-left: 0.35rem solid var(--green-dark);
  background: var(--surface-raised);
}

.legal-page section h2 {
  margin-bottom: 0.45rem;
  font-size: 1.45rem;
}

.legal-page section p {
  margin-bottom: 0;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    padding-block: 0.75rem;
  }

  .header-inner nav {
    gap: 0.25rem 0.75rem;
  }

  .hero,
  .testing-layout,
  .signup-section {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature {
    min-height: auto;
  }

  .footer-layout {
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 470px) {
  .shell {
    width: min(calc(100% - 1.25rem), var(--shell));
  }

  .header-inner {
    display: grid;
  }

  nav {
    justify-content: flex-start;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.hero-followup {
  max-width: 39rem;
  margin-top: -0.25rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 650;
}

.section-heading-wide {
  max-width: 54rem;
}

.signup-reassurance {
  color: var(--text);
  font-weight: 650;
}

.footer-note {
  max-width: 32rem;
}

.copyright {
  margin-top: 0.55rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.legal-intro {
  max-width: 44rem;
  color: var(--text-secondary);
  font-size: 1.15rem;
}

.legal-footer {
  margin-top: 1rem;
}

/* personal-copy-v3 fixes */
[hidden] {
  display: none !important;
}

.brand img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.form-status {
  min-height: 0;
}

.form-status:empty {
  display: none;
}

.footer-layout {
  align-items: center;
}

.footer-about p {
  margin: 0.2rem 0 0;
}

.footer-community {
  display: grid;
  justify-items: end;
  gap: 0.8rem;
}

.privacy-link {
  font-weight: 750;
}

.social-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.social-icon {
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: var(--surface-raised);
  text-decoration: none;
}

.social-icon:hover,
.social-icon:focus-visible {
  background: var(--canvas);
  border-color: var(--green-dark);
}

.social-icon img {
  width: 1.35rem;
  height: 1.35rem;
}

@media (max-width: 760px) {
  .footer-community {
    justify-items: start;
  }

  .social-icons {
    justify-content: flex-start;
  }
}