:root {
  --ink: #171916;
  --paper: #f1ecdf;
  --paper-deep: #e5ddce;
  --muted: #69675f;
  --line-light: rgba(23, 25, 22, 0.28);
  --line-dark: rgba(241, 236, 223, 0.28);
  --copper: #8f542e;
  --gold: #d6a864;
  --white: #fffdf7;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
button, a { font: inherit; }
button { color: inherit; }
a { color: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-180%);
  background: var(--white);
  padding: 0.75rem 1rem;
  border: 1px solid var(--ink);
}
.skip-link:focus { transform: none; }

.site-header {
  position: absolute;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 3.2vw;
  border-bottom: 1px solid var(--line-light);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  text-decoration: none;
}
.wordmark-mark {
  position: relative;
  width: 30px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
}
.wordmark-mark::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  top: 6px;
  border-top: 1px dashed var(--copper);
}
.wordmark-mark i,
.wordmark-mark b {
  position: relative;
  z-index: 1;
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.wordmark-mark i { background: var(--copper); }
.wordmark-mark b { border: 1px solid var(--ink); background: var(--paper); }
.project-label,
.kicker,
.object-label,
.stage-count {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 650;
}

.hero {
  min-height: 100svh;
  padding: 7.5rem 6vw 4rem 16vw;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 76px;
  bottom: 0;
  left: 9.5vw;
  border-left: 1px solid var(--line-light);
}
.hero-copy { max-width: 980px; }
.kicker { color: var(--copper); margin: 0 0 1.6rem; }
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
  margin: 0;
}
h1 { font-size: clamp(3.45rem, 6.7vw, 7rem); max-width: 12ch; }
.hero-intro {
  max-width: 47ch;
  margin: 1.45rem 0 0;
  color: var(--muted);
}
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  min-width: 280px;
  min-height: 48px;
  padding: 0.8rem 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 600;
}
.link-arrow { color: var(--copper); font-size: 1.35rem; transition: transform 180ms ease; }
.primary-link:hover .link-arrow,
.primary-link:focus-visible .link-arrow { transform: translateY(4px); }

.journey {
  min-height: 100vh;
  padding: 7rem 6vw 6rem;
  background: var(--ink);
  color: var(--paper);
}
.journey .kicker { color: var(--gold); }
.journey-intro {
  max-width: 760px;
  margin: 0 auto 4.5rem;
}
.journey-intro h2 { font-size: clamp(3rem, 5vw, 5.25rem); }
.journey-intro > p:last-child {
  max-width: 62ch;
  color: rgba(241, 236, 223, 0.74);
  margin: 1.4rem 0 0;
}
.journey-shell {
  max-width: 1180px;
  margin: 0 auto;
}

.stage-nav {
  margin-bottom: 4rem;
  padding: 0.65rem 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.stage-nav ol {
  display: grid;
  grid-template-columns: repeat(6, minmax(44px, 1fr));
  width: min(100%, 520px);
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}
.stage-nav button {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: rgba(241, 236, 223, 0.66);
  cursor: pointer;
}
.stage-nav button span {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}
.stage-nav button:hover { color: var(--paper); }
.stage-nav button[aria-current="step"] {
  border-bottom: 3px solid var(--gold);
  color: var(--paper);
  font-weight: 700;
}

.stage-window { min-width: 0; max-width: 1020px; }
.stage {
  min-height: 520px;
  animation: stageIn 280ms cubic-bezier(.2,.7,.2,1) both;
}
.stage[hidden],
[hidden] { display: none !important; }
@keyframes stageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
.stage-heading {
  display: grid;
  grid-template-columns: 6rem 1fr;
  column-gap: 1.25rem;
  margin-bottom: 3rem;
}
.stage-count {
  grid-row: 1 / span 2;
  margin: 0.25rem 0 0;
  color: var(--gold);
}
.stage h3 { font-size: clamp(2.9rem, 4.5vw, 4.85rem); max-width: 12ch; }
.stage-lede {
  grid-column: 2;
  max-width: 58ch;
  margin: 1.15rem 0 0;
  color: rgba(241, 236, 223, 0.78);
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.45;
}
.object-label { display: block; margin-bottom: 0.8rem; color: var(--gold); }
.object-card {
  max-width: 68ch;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.brief-object > p,
.draft p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  line-height: 1.28;
}

.case-trail { max-width: 70ch; margin-top: 1rem; }
.case-entry {
  padding: 1.45rem 0;
  border-bottom: 1px solid var(--line-dark);
}
.case-entry p { max-width: 66ch; margin: 0; color: rgba(241, 236, 223, 0.82); }
.case-entry p + p { margin-top: 0.9rem; }
.case-entry ul {
  max-width: 66ch;
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
  color: rgba(241, 236, 223, 0.78);
}
.case-entry li + li { margin-top: 0.4rem; }
.reveal-button {
  min-height: 44px;
  margin-top: 1rem;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 1px solid rgba(241, 236, 223, 0.72);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
}
.reveal-button span { margin-left: 1.25rem; color: var(--gold); }
.reveal-button[aria-disabled="true"] { border-bottom-color: transparent; opacity: 0.72; cursor: default; }

.handover-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 860px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.handover-column { padding: 1.5rem 2.25rem 1.5rem 0; }
.handover-column + .handover-column {
  padding-right: 0;
  padding-left: 2.25rem;
  border-left: 1px solid var(--line-dark);
}
.handover-column ul {
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(241, 236, 223, 0.8);
}
.handover-column p { max-width: 34ch; margin: 0; color: rgba(241, 236, 223, 0.8); }
.handover-column p + p { margin-top: 0.9rem; color: var(--paper); font-family: var(--serif); }
.handover-grid + .draft {
  max-width: 860px;
  margin-top: 2rem;
  padding: 1.6rem 1.75rem;
  border: 0;
  background: var(--paper);
  color: var(--ink);
}
.draft .object-label { color: var(--copper); }

.object-tabs {
  display: flex;
  max-width: 860px;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line-dark);
}
.object-tabs button,
.receiver-choices button,
.evidence-tabs button {
  min-height: 44px;
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: rgba(241, 236, 223, 0.74);
  text-align: left;
  cursor: pointer;
}
.object-tabs button:hover,
.receiver-choices button:hover,
.evidence-tabs button:hover { color: var(--paper); }
.object-tabs button[aria-pressed="true"],
.receiver-choices button[aria-pressed="true"],
.evidence-tabs button[aria-pressed="true"] {
  border-bottom: 3px solid var(--gold);
  color: var(--paper);
  font-weight: 650;
}
.object-reading {
  max-width: 860px;
  min-height: 220px;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line-dark);
}
.object-reading blockquote,
.object-reading .object-heading {
  max-width: 34ch;
  margin: 0 0 1.2rem;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.3;
}
.object-reading > p:last-child { max-width: 64ch; margin: 0; color: rgba(241, 236, 223, 0.78); }

.message-quote {
  max-width: 38ch;
  margin: 0 0 2.25rem;
  padding: 0.2rem 0 0.2rem 1.4rem;
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.5vw, 2.05rem);
  line-height: 1.32;
}
.choice-prompt { margin: 0; color: rgba(241, 236, 223, 0.72); }
.receiver-choices,
.evidence-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.6rem;
  max-width: 980px;
  margin: 0.75rem 0 1.75rem;
  border-bottom: 1px solid var(--line-dark);
}
.receiver-result,
.evidence-reading {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 980px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}
.receiver-result > div,
.evidence-reading > div { padding: 1.35rem 1.35rem 1.5rem 0; }
.receiver-result > div + div,
.evidence-reading > div + div {
  padding-left: 1.35rem;
  border-left: 1px solid var(--line-dark);
}
.receiver-result > div span,
.evidence-reading span {
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}
.receiver-result p,
.evidence-reading p {
  margin: 0.55rem 0 0;
  color: rgba(241, 236, 223, 0.88);
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.48;
}
.receiver-result.is-empty,
.evidence-reading.is-empty {
  display: block;
  padding: 1.35rem 0;
  color: rgba(241, 236, 223, 0.72);
}
.receiver-result.is-empty p,
.evidence-reading.is-empty p { margin: 0; color: inherit; }

.stage-text { max-width: 62ch; margin: 2rem 0 0; color: rgba(241, 236, 223, 0.78); }
.blank-page {
  position: relative;
  width: min(100%, 750px);
  min-height: 390px;
  padding: 4rem 1.6rem 1.6rem;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
}
.blank-page::before {
  content: "NEW BRIEF";
  position: absolute;
  top: 1.4rem;
  left: 1.6rem;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}
.journey-traces { display: grid; border-top: 1px solid var(--line-light); }
.journey-traces p {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  margin: 0;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--serif);
  line-height: 1.45;
}
.journey-traces p span {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.closing-line { margin-top: 1.6rem; color: var(--gold); font-family: var(--serif); font-size: 1.5rem; }

.stage-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-dark);
}
.text-button,
.next-button {
  min-height: 44px;
  padding: 0.6rem 0;
  border: 0;
  border-bottom: 1px solid rgba(241, 236, 223, 0.72);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
}
.text-button { justify-self: start; }
.text-button:disabled { opacity: 0.45; cursor: default; }
.next-button { justify-self: end; display: flex; align-items: center; gap: 2rem; }
.next-button span { color: var(--gold); }

footer {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 2rem;
  padding: 2.75rem 6vw;
  border-top: 1px solid var(--line-dark);
  background: var(--ink);
  color: rgba(241, 236, 223, 0.74);
  font-size: 0.9rem;
}
footer p { margin: 0; }
footer cite { color: var(--paper); font-family: var(--serif); font-style: normal; }

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--copper);
  outline-offset: 4px;
}
.journey button:focus-visible,
footer a:focus-visible { outline-color: var(--gold); }

@media (max-width: 900px) {
  .hero { padding-left: 12vw; }
  .hero::before { left: 6vw; }
  .journey { padding-right: 5vw; padding-left: 5vw; }
  .stage { min-height: 0; }
  .receiver-result,
  .evidence-reading { grid-template-columns: 1fr; }
  .receiver-result > div,
  .evidence-reading > div { padding: 1.25rem 0; }
  .receiver-result > div + div,
  .evidence-reading > div + div {
    padding-left: 0;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }
}

@media (max-width: 680px) {
  .site-header { min-height: 64px; padding: 0 1rem; }
  .wordmark { gap: 0.55rem; font-size: 0.95rem; }
  .wordmark-mark { width: 25px; }
  .project-label { font-size: 0.75rem; letter-spacing: 0.08em; }
  .hero {
    min-height: min(100svh, 760px);
    padding: 6.7rem 1.25rem 3.5rem 2.9rem;
  }
  .hero::before { top: 64px; left: 1.35rem; }
  h1 { font-size: clamp(2.75rem, 12vw, 4rem); line-height: 1.02; }
  .primary-link { width: 100%; min-width: 0; gap: 1rem; margin-top: 2rem; }
  .journey { padding: 4.5rem 1.25rem 4rem; }
  .journey-intro { margin-bottom: 3.5rem; }
  .journey-intro h2 { font-size: clamp(2.8rem, 13vw, 4rem); }
  .stage-nav { margin-bottom: 3.25rem; padding-top: 0.8rem; }
  .stage-nav ol { width: 100%; }
  .stage-nav button { padding: 0; }
  .stage-heading { display: block; margin-bottom: 2.25rem; }
  .stage-count { margin-bottom: 0.8rem; }
  .stage h3 { font-size: clamp(2.65rem, 12vw, 3.8rem); }
  .stage-lede { margin-top: 0.9rem; font-size: 1.15rem; }
  .case-entry { padding: 1.25rem 0; }
  .handover-grid { grid-template-columns: 1fr; }
  .handover-column,
  .handover-column + .handover-column { padding: 1.3rem 0; }
  .handover-column + .handover-column { border-top: 1px solid var(--line-dark); border-left: 0; }
  .handover-grid + .draft { margin-top: 1.5rem; padding: 1.35rem; }
  .object-tabs { display: grid; grid-template-columns: 1fr; gap: 0; }
  .object-tabs button { border-bottom: 1px solid var(--line-dark); }
  .receiver-choices,
  .evidence-tabs { display: grid; grid-template-columns: 1fr; gap: 0; }
  .receiver-choices button,
  .evidence-tabs button { border-bottom: 1px solid var(--line-dark); }
  .object-tabs button[aria-pressed="true"],
  .receiver-choices button[aria-pressed="true"],
  .evidence-tabs button[aria-pressed="true"] { border-bottom: 3px solid var(--gold); }
  .object-reading { min-height: 0; padding: 1.5rem 0; }
  .blank-page { min-height: 0; padding: 3.8rem 1.25rem 1.25rem; }
  .journey-traces p { grid-template-columns: 1fr; gap: 0.2rem; }
  .stage-controls { grid-template-columns: auto 1fr; gap: 1.5rem; margin-top: 2.5rem; }
  .next-button { max-width: 100%; text-align: right; }
  footer { grid-template-columns: 1fr; gap: 0.65rem; padding: 2.5rem 1.25rem; }
}

@media (max-width: 430px) {
  .project-label { max-width: 86px; text-align: right; line-height: 1.25; }
  .stage-nav button span { font-size: 0.75rem; }
}

@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;
  }
}