:root {
  color-scheme: light;
  --ink: #1d1b19;
  --ink-soft: #38342f;
  --muted: #706a63;
  --paper: #f4efe7;
  --paper-deep: #e9e0d4;
  --paper-light: #fffdf8;
  --accent: #8f3f35;
  --accent-dark: #6e2e27;
  --green: #4e765b;
  --line: rgba(29, 27, 25, 0.18);
  --line-light: rgba(255, 253, 248, 0.2);
  --shadow: 0 1.5rem 4rem rgba(51, 37, 27, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 84% 8%, rgba(143, 63, 53, 0.08), transparent 31rem),
    var(--paper);
}

button,
input {
  font: inherit;
}

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

button {
  color: inherit;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.85rem;
  background: var(--ink);
  color: var(--paper-light);
  transform: translateY(-150%);
}

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

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 6rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  letter-spacing: -0.035em;
  text-decoration: none;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.build-label,
.eyebrow,
.principle-number,
.step-count,
.progress-kicker {
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.build-label {
  color: var(--muted);
}

.privacy-mark {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
}

.privacy-mark span {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0.25rem rgba(78, 118, 91, 0.1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.5fr);
  column-gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
  min-height: 39rem;
  padding: clamp(5rem, 11vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
}

.eyebrow {
  margin: 0 0 1.35rem;
  color: var(--accent);
}

h1,
h2,
.step-card h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}

h1 {
  max-width: 13ch;
  font-size: clamp(3.4rem, 7.5vw, 7.35rem);
  line-height: 0.94;
}

h2 {
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 1;
}

.hero-copy {
  max-width: 43rem;
  margin: 2.1rem 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.55vw, 1.25rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-weight: 720;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
.reset-button:focus-visible,
.invite-link button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(143, 63, 53, 0.25);
  outline-offset: 3px;
}

.button-primary {
  background: var(--ink);
  color: var(--paper-light);
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-quiet {
  border-color: var(--line);
  background: transparent;
}

.button-quiet:hover {
  background: rgba(255, 253, 248, 0.5);
}

.text-link {
  text-underline-offset: 0.35rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.status-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.35rem;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.55);
}

.status-dot {
  width: 0.7rem;
  height: 0.7rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: #a89e92;
}

.status-dot.is-online {
  background: var(--green);
  box-shadow: 0 0 0 0.3rem rgba(78, 118, 91, 0.12);
}

.status-title {
  margin: 0 0 0.45rem;
  font-weight: 700;
}

.status-detail {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.onboarding {
  padding: clamp(3.5rem, 7vw, 6.5rem) 0;
  border-top: 1px solid var(--line);
}

.onboarding-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}

.reset-button {
  padding: 0.25rem 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
}

.prototype-frame {
  display: grid;
  grid-template-columns: minmax(14rem, 0.42fr) minmax(0, 1fr);
  min-height: 43rem;
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.progress-panel {
  padding: clamp(2rem, 4vw, 3.5rem);
  background: var(--ink);
  color: var(--paper-light);
}

.progress-kicker {
  margin: 0 0 2.2rem;
  color: rgba(255, 253, 248, 0.56);
}

.progress-list {
  display: grid;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.progress-list li {
  display: grid;
  grid-template-columns: 1.8rem 1fr;
  gap: 0.8rem;
  align-items: center;
  color: rgba(255, 253, 248, 0.45);
  font-size: 0.87rem;
  line-height: 1.3;
  transition: color 160ms ease;
}

.progress-list li span {
  display: inline-flex;
  width: 1.8rem;
  height: 1.8rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 253, 248, 0.28);
  border-radius: 50%;
  font-size: 0.72rem;
}

.progress-list li.is-current {
  color: var(--paper-light);
}

.progress-list li.is-current span {
  border-color: var(--paper-light);
  background: var(--paper-light);
  color: var(--ink);
}

.progress-list li.is-complete {
  color: rgba(255, 253, 248, 0.78);
}

.progress-list li.is-complete span {
  border-color: var(--green);
  background: var(--green);
  color: transparent;
}

.progress-list li.is-complete span::after {
  content: "✓";
  margin-left: -0.55rem;
  color: var(--paper-light);
}

.progress-rule {
  height: 1px;
  margin: 2.5rem 0 1.5rem;
  background: var(--line-light);
}

.progress-note {
  margin: 0;
  color: rgba(255, 253, 248, 0.58);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  line-height: 1.55;
}

.step-panel {
  display: grid;
  align-items: center;
  min-width: 0;
  padding: clamp(2rem, 6vw, 5.25rem);
}

.step-card {
  width: min(100%, 46rem);
  margin-inline: auto;
}

.step-count {
  margin: 0 0 1.25rem;
  color: var(--accent);
}

.step-card h3 {
  max-width: 15ch;
  font-size: clamp(2.45rem, 4.5vw, 4.45rem);
  line-height: 0.98;
}

.step-card h3:focus {
  outline: none;
}

.step-copy {
  max-width: 39rem;
  margin: 1.35rem 0 2.3rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.field {
  display: grid;
  gap: 0.62rem;
  margin: 0 0 1.4rem;
  font-size: 0.84rem;
  font-weight: 720;
}

.field input {
  width: 100%;
  min-height: 3.5rem;
  padding: 0.78rem 0;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
}

.field input::placeholder {
  color: #aaa197;
}

.field small,
.choice-card small,
.consent-ledger small,
.price-row small,
.relationship-map small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 450;
  line-height: 1.45;
}

.two-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.step-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 2.25rem;
}

.split-actions {
  justify-content: space-between;
}

.recipient-chip,
.success-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.2rem;
  padding: 0.42rem 0.68rem;
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 720;
}

.success-kicker {
  background: rgba(78, 118, 91, 0.12);
  color: var(--green);
}

.choice-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.85rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.choice-card:hover,
.choice-card:has(input:checked) {
  border-color: rgba(143, 63, 53, 0.5);
  background: rgba(143, 63, 53, 0.045);
}

.choice-card input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.14rem 0 0;
  accent-color: var(--accent);
}

.choice-card span {
  display: grid;
  gap: 0.4rem;
}

.choice-card strong {
  font-size: 0.92rem;
  line-height: 1.4;
}

.privacy-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.privacy-callout p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.5;
}

.invite-link {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  border: 1px solid var(--ink);
}

.invite-link code {
  min-width: 0;
  padding: 1rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.invite-link button {
  min-width: 5rem;
  border: 0;
  border-left: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-light);
  cursor: pointer;
  font-weight: 700;
}

.boundary-box,
.next-build {
  margin-top: 1.5rem;
  padding: 1.35rem;
  background: var(--paper);
}

.boundary-title {
  margin: 0 0 0.7rem;
  font-weight: 750;
}

.boundary-box ul {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.form-error {
  margin: 1rem 0 0;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(143, 63, 53, 0.08);
  color: var(--accent-dark);
  font-size: 0.86rem;
  font-weight: 700;
}

.consent-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0 0 1.25rem;
}

.consent-ledger article {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid var(--line);
}

.consent-ledger article > span {
  color: var(--muted);
  font-size: 0.78rem;
}

.consent-ledger strong {
  color: var(--green);
}

.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.price-row p {
  margin: 0 0 0.3rem;
  font-weight: 720;
}

.price-row > strong {
  flex: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.price-row > strong span {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.demo-disclaimer {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.completion-card {
  text-align: center;
}

.completion-card h3,
.completion-card .step-copy {
  margin-inline: auto;
}

.completion-mark {
  display: inline-flex;
  width: 3.5rem;
  height: 3.5rem;
  align-items: center;
  justify-content: center;
  margin: 0 0 1.3rem;
  border-radius: 50%;
  background: var(--green);
  color: var(--paper-light);
  font-size: 1.4rem;
}

.relationship-map {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  margin-top: 2rem;
  text-align: left;
}

.relationship-map article,
.shared-vault {
  display: grid;
  gap: 0.4rem;
  padding: 1rem;
  border: 1px solid var(--line);
}

.relationship-map article:first-child {
  border-right: 0;
}

.relationship-map article:last-child {
  border-left: 0;
}

.relationship-map > * > span {
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.shared-vault {
  background: var(--ink);
  color: var(--paper-light);
}

.shared-vault span,
.shared-vault small {
  color: rgba(255, 253, 248, 0.58);
}

.next-build {
  text-align: left;
}

.next-build p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.principles {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--line);
}

.section-intro {
  display: grid;
  grid-template-columns: 0.5fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 4rem;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.principle-grid article {
  min-height: 18rem;
  padding: 2rem;
  border-right: 1px solid var(--line);
}

.principle-grid article:first-child {
  padding-left: 0;
}

.principle-grid article:last-child {
  border-right: 0;
}

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

.principle-grid h3 {
  margin: 4.5rem 0 1rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  font-weight: 400;
}

.principle-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .prototype-frame {
    grid-template-columns: 1fr;
  }

  .progress-panel {
    padding: 1.5rem;
  }

  .progress-kicker,
  .progress-rule,
  .progress-note {
    display: none;
  }

  .progress-list {
    grid-template-columns: repeat(5, 1fr);
    gap: 0.45rem;
  }

  .progress-list li {
    display: flex;
    justify-content: center;
    font-size: 0;
  }

  .progress-list li span {
    font-size: 0.72rem;
  }

  .principle-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .principle-grid article:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 720px) {
  .site-header,
  main,
  footer {
    width: min(100% - 2rem, 42rem);
  }

  .header-meta {
    gap: 0.7rem;
  }

  .build-label {
    display: none;
  }

  .hero {
    display: block;
    min-height: auto;
  }

  .status-card {
    margin-top: 2.5rem;
  }

  .hero-actions,
  .onboarding-heading,
  .step-actions,
  .price-row {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions {
    display: flex;
  }

  .text-link {
    align-self: flex-start;
  }

  .onboarding-heading {
    display: flex;
    align-items: flex-start;
  }

  .reset-button {
    align-self: flex-start;
  }

  .step-panel {
    padding: 2.5rem 1.25rem;
  }

  .two-fields,
  .consent-ledger,
  .relationship-map,
  .section-intro,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .relationship-map article:first-child,
  .relationship-map article:last-child {
    border: 1px solid var(--line);
  }

  .relationship-map > * + * {
    border-top: 0;
  }

  .principle-grid article,
  .principle-grid article:first-child {
    min-height: auto;
    padding: 2rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principle-grid article:last-child {
    border-bottom: 0;
  }

  .principle-grid h3 {
    margin-top: 2.5rem;
  }

  footer {
    flex-direction: column;
    gap: 0.5rem;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}