@font-face { font-family: "Cormorant Garamond"; src: url("assets/fonts/cormorant-garamond-latin-500-italic.woff2") format("woff2"); font-weight: 500; font-style: italic; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("assets/fonts/cormorant-garamond-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("assets/fonts/cormorant-garamond-latin-600-italic.woff2") format("woff2"); font-weight: 600; font-style: italic; font-display: swap; }
@font-face { font-family: "Cormorant Garamond"; src: url("assets/fonts/cormorant-garamond-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("assets/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("assets/fonts/inter-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
:root {
  color-scheme: light;
  --paper: #f5f3ef;
  --paper-2: #e7e3dc;
  --card: #faf8f3;
  --ink: #1c2a39;
  --ink-2: #14202c;
  --charcoal: #4a4f55;
  --soft: #6b7280;
  --faint: #7c8388;
  --line: rgba(28, 42, 57, 0.14);
  --line-strong: rgba(28, 42, 57, 0.32);
  --gold: #c8a96a;
  --gold-dark: #a78a51;
  --gold-ink: #735a2f;
  --gold-soft: rgba(200, 169, 106, 0.13);
  --ok: #3e6b52;
  --warn: #8c3a2b;
  --major: #b06a2b;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --shadow: 0 28px 70px -54px rgba(20, 32, 44, 0.65);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(245, 243, 239, 0.82), rgba(245, 243, 239, 0.82)),
    url("assets/paper-mineral.png");
  background-size: auto, 720px 720px;
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea, select { font: inherit; }
button { color: inherit; }
a { color: inherit; }
h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.06;
}
h1 { font-size: clamp(2.35rem, 6vw, 5.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.9rem, 4vw, 3.2rem); letter-spacing: -0.015em; }
h3 { font-size: 1.35rem; }
p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--gold-dark);
  outline-offset: 3px;
}
::selection { color: var(--ink-2); background: var(--gold); }
.skip-link {
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 100;
  transform: translateY(-160%);
  padding: 0.7rem 1rem;
  color: var(--paper);
  background: var(--ink);
}
.skip-link:focus { transform: none; }

.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 72px;
  padding: 0.75rem clamp(1rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(245, 243, 239, 0.92);
  backdrop-filter: blur(14px);
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand-lockup img { flex: none; }
.brand-lockup > span { display: grid; line-height: 1; }
.brand-lockup strong {
  font-family: var(--serif);
  font-size: 1.22rem;
  font-weight: 600;
}
.brand-lockup strong span { color: var(--gold-dark); }
.brand-lockup small,
.product-function,
.mono-label {
  font-family: var(--mono);
  font-size: 0.61rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.brand-lockup small { margin-top: 0.28rem; color: var(--soft); }
.product-identity {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line-strong);
  color: var(--soft);
  font-size: 0.86rem;
}
.product-function { color: var(--soft); }
.header-actions { display: flex; align-items: center; gap: 0.8rem; }
.save-state { color: var(--soft); font-size: 0.76rem; }

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: calc(100vh - 73px);
}
.app-shell:has(.case-rail[hidden]) { grid-template-columns: 1fr; }
.case-rail {
  position: sticky;
  top: 73px;
  align-self: start;
  height: calc(100vh - 73px);
  overflow-y: auto;
  padding: 1.6rem 1.15rem;
  border-right: 1px solid var(--line);
  background: rgba(231, 227, 220, 0.48);
}
.case-rail-head {
  display: grid;
  gap: 0.35rem;
  padding: 0 0.4rem 1.2rem;
  border-bottom: 1px solid var(--line);
}
.case-rail-head .mono-label { color: var(--soft); }
.case-rail-head strong { font-size: 0.94rem; }
.case-rail-head span:last-child {
  overflow: hidden;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.58rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#step-nav { display: grid; gap: 0.28rem; padding: 1rem 0; }
.step-link {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.65rem;
  align-items: center;
  width: 100%;
  padding: 0.72rem 0.55rem;
  border: 0;
  border-left: 2px solid transparent;
  color: var(--soft);
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.step-link:hover { color: var(--ink); background: rgba(250, 248, 243, 0.62); }
.step-link.active {
  border-left-color: var(--ink);
  color: var(--ink);
  background: var(--card);
}
.step-link.complete .step-number { color: var(--ok); border-color: var(--ok); }
.step-link[disabled] { opacity: 0.46; cursor: not-allowed; }
.step-number {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.61rem;
}
.step-copy { display: grid; gap: 0.12rem; }
.step-copy strong { font-size: 0.79rem; font-weight: 600; }
.step-copy small { font-size: 0.65rem; }
.rail-principle {
  margin-top: 0.8rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  background: var(--card);
}
.rail-principle span { color: var(--soft); font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.08em; }
.rail-principle p { margin-top: 0.55rem; font-family: var(--serif); font-size: 1.08rem; }

.workspace {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 4rem);
}
.home-view { display: grid; gap: 3rem; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: 520px;
  padding: clamp(2rem, 5vw, 4.8rem) 0;
}
.hero-copy { display: grid; gap: 1.4rem; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.eyebrow::before { width: 28px; height: 1px; background: var(--line-strong); content: ""; }
.hero h1 em { color: var(--ink); font-weight: 500; }
.hero-lede { max-width: 58ch; color: var(--charcoal); font-size: 1.04rem; }
.hero-actions, .form-actions, .inline-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; }
.hero-note { color: var(--soft); font-size: 0.78rem; }

.threshold-field {
  position: relative;
  min-height: 390px;
  border: 1px solid var(--line-strong);
  background: rgba(250, 248, 243, 0.62);
  overflow: hidden;
}
.threshold-field::before,
.threshold-field::after {
  position: absolute;
  content: "";
}
.threshold-field::before {
  inset: 14% 32% 18% 16%;
  border: 1px solid rgba(28, 42, 57, 0.38);
  background:
    linear-gradient(96deg, rgba(28,42,57,.92), rgba(74,79,85,.68)),
    url("assets/paper-mineral.png");
  background-blend-mode: multiply;
  clip-path: polygon(0 6%, 96% 0, 100% 88%, 8% 100%);
  opacity: 0.9;
}
.threshold-field::after {
  top: 12%;
  bottom: 12%;
  left: 68%;
  width: 3px;
  background: var(--gold);
}
.threshold-layer {
  position: absolute;
  top: 22%;
  right: 8%;
  width: 42%;
  height: 54%;
  border: 1px solid var(--line-strong);
  background: rgba(245, 243, 239, 0.78);
  transform: translateX(12%);
}
.threshold-label {
  position: absolute;
  right: 9%;
  bottom: 7%;
  max-width: 220px;
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.threshold-code {
  position: absolute;
  top: 6%;
  left: 6%;
  z-index: 2;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.section-heading p { max-width: 65ch; color: var(--soft); }
.section-heading .heading-copy { display: grid; gap: 0.7rem; }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.case-card {
  display: grid;
  gap: 0.85rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}
.case-card:hover { border-color: var(--line-strong); }
.case-card-meta { display: flex; justify-content: space-between; gap: 0.6rem; color: var(--faint); font-family: var(--mono); font-size: 0.58rem; }
.case-card h3 { font-size: 1.25rem; }
.case-card p { color: var(--soft); font-size: 0.82rem; }
.empty-state {
  padding: 2rem;
  border: 1px dashed var(--line-strong);
  color: var(--soft);
  background: rgba(250, 248, 243, 0.5);
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.68rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
  color: var(--paper);
  background: var(--ink);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.button:hover { transform: translateY(-1px); background: var(--ink-2); }
.button-secondary { color: var(--ink); background: transparent; }
.button-secondary:hover { background: var(--paper-2); }
.button-quiet { min-height: 36px; padding: 0.45rem 0.72rem; border-color: var(--line-strong); color: var(--ink); background: transparent; font-size: 0.78rem; }
.button-danger { border-color: var(--warn); color: var(--warn); background: transparent; }
.button-danger:hover { color: var(--paper); background: var(--warn); }
.button[disabled] { opacity: 0.45; cursor: not-allowed; transform: none; }
.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.step-view { display: grid; gap: 1.6rem; }
.step-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: end;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line-strong);
}
.step-intro-copy { display: grid; gap: 0.7rem; }
.step-intro-copy > p { max-width: 68ch; color: var(--soft); }
.step-badge {
  color: var(--soft);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.form-panel, .insight-panel, .method-card, .result-card, .handoff-panel {
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}
.form-panel { padding: clamp(1.2rem, 3vw, 2rem); }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.2rem; }
.field { display: grid; gap: 0.42rem; }
.field.full { grid-column: 1 / -1; }
.field label, .field legend {
  color: var(--ink);
  font-size: 0.79rem;
  font-weight: 600;
}
.field small, .field-hint { color: var(--soft); font-size: 0.72rem; }
.required::after { color: var(--warn); content: " *"; }
input, textarea, select {
  width: 100%;
  min-height: 44px;
  padding: 0.72rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ink);
  background: rgba(245, 243, 239, 0.68);
}
textarea { min-height: 108px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--gold-dark); outline: 0; box-shadow: 0 0 0 2px var(--gold-soft); }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--warn); }
.error-summary {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--warn);
  color: var(--warn);
  background: rgba(140, 58, 43, 0.07);
}
.form-actions { justify-content: space-between; padding-top: 1.2rem; border-top: 1px solid var(--line); }

.question-list { display: grid; gap: 1rem; }
.question-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: center;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--card);
}
.question-copy { display: grid; gap: 0.35rem; }
.question-copy span { color: var(--soft); font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }
.question-copy p { max-width: 58ch; font-size: 0.9rem; }
.scale { display: flex; gap: 0.35rem; }
.scale label { position: relative; }
.scale input { position: absolute; opacity: 0; }
.scale span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 0.7rem;
  cursor: pointer;
}
.scale input:checked + span { border-color: var(--ink); color: var(--paper); background: var(--ink); }
.scale input:focus-visible + span { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.scale-legend { display: flex; justify-content: space-between; color: var(--soft); font-size: 0.68rem; }

.results-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr); gap: 1.1rem; }
.result-card { padding: 1.25rem; }
.result-card h3 { margin-bottom: 0.8rem; }
.stacked-card { display: grid; gap: 1rem; align-content: start; }
.card-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
  margin-bottom: 0.9rem;
}
.card-heading h3 { margin: 0; }
.card-heading span {
  max-width: 26ch;
  color: var(--soft);
  font-size: 0.68rem;
  text-align: right;
}
.dimension-bars { display: grid; gap: 0.8rem; }
.dimension-row { display: grid; gap: 0.35rem; }
.dimension-meta { display: flex; justify-content: space-between; gap: 0.6rem; font-size: 0.78rem; }
.dimension-meta span:last-child { color: var(--soft); font-family: var(--mono); }
.bar-track { height: 8px; background: var(--paper-2); overflow: hidden; }
.bar-fill { height: 100%; background: var(--charcoal); }
.dimension-row.dominant .bar-track { position: relative; }
.dimension-row.dominant .bar-track::after { position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--gold); content: ""; }
.dimension-row.dominant .dimension-meta strong::after { margin-left: 0.45rem; color: var(--gold-ink); content: "Umbral"; font-family: var(--mono); font-size: 0.55rem; text-transform: uppercase; }
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}
.heat-tile {
  display: grid;
  min-height: 142px;
  gap: 0.8rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  background: var(--paper);
}
.heat-tile.dominant { border-color: var(--gold-dark); box-shadow: inset 0 3px 0 var(--gold); }
.heat-tile-head { display: grid; gap: 0.25rem; }
.heat-tile-head span { color: var(--soft); font-family: var(--mono); font-size: 0.54rem; letter-spacing: 0.08em; text-transform: uppercase; }
.heat-tile-head strong { font-size: 0.9rem; }
.heat-field {
  position: relative;
  min-height: 42px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(62, 107, 82, 0.18), rgba(200, 169, 106, 0.22), rgba(176, 106, 43, 0.32), rgba(140, 58, 43, 0.45));
  overflow: hidden;
}
.heat-field span {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--heat);
  background: linear-gradient(90deg, rgba(140,58,43,.14), rgba(140,58,43,.62));
}
.heat-low .heat-field span { background: linear-gradient(90deg, rgba(62,107,82,.08), rgba(62,107,82,.35)); }
.heat-medium .heat-field span { background: linear-gradient(90deg, rgba(200,169,106,.12), rgba(200,169,106,.58)); }
.heat-high .heat-field span { background: linear-gradient(90deg, rgba(176,106,43,.12), rgba(176,106,43,.62)); }
.heat-critical .heat-field span { background: linear-gradient(90deg, rgba(140,58,43,.12), rgba(140,58,43,.72)); }
.heat-tile-foot { display: flex; justify-content: space-between; gap: 0.7rem; color: var(--soft); font-family: var(--mono); font-size: 0.58rem; }
.radar-wrap { display: grid; place-items: center; min-height: 236px; }
.radar-chart { width: min(100%, 280px); height: auto; overflow: visible; }
.radar-ring { fill: rgba(245,243,239,.45); stroke: var(--line-strong); stroke-width: 1; }
.radar-ring-mid { fill: transparent; stroke: var(--line); }
.radar-axis { stroke: var(--line); stroke-width: 1; }
.radar-area { fill: rgba(28,42,57,.18); stroke: var(--ink); stroke-width: 2; }
.radar-point { fill: var(--gold-dark); stroke: var(--paper); stroke-width: 1; }
.radar-label { fill: var(--soft); font-family: var(--mono); font-size: 0.48rem; text-anchor: middle; dominant-baseline: middle; }
.diagnostic-callout {
  display: grid;
  gap: 0.8rem;
  padding: 1.3rem;
  border-left: 3px solid var(--gold);
  background: var(--gold-soft);
}
.diagnostic-callout p { color: var(--charcoal); }
.diagnostic-callout small { color: var(--soft); }
.split-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.metric-box { padding: 1rem; border: 1px solid var(--line); background: var(--paper); }
.metric-box span { display: block; color: var(--soft); font-size: 0.68rem; }
.metric-box strong { display: block; margin-top: 0.25rem; font-family: var(--serif); font-size: 1.55rem; }

.evidence-list { display: grid; gap: 0.65rem; margin-bottom: 1rem; }
.evidence-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.8rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  background: var(--paper);
}
.evidence-item p { font-size: 0.82rem; }
.evidence-item small { color: var(--soft); }
.relation-tag {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 0.56rem;
  text-transform: uppercase;
}
.relation-tag.contradicts { color: var(--warn); border-color: rgba(140,58,43,.45); }
.icon-button { border: 0; color: var(--soft); background: transparent; cursor: pointer; }
.icon-button:hover { color: var(--warn); }

.deep-question-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.deep-question-grid textarea { min-height: 132px; }
.methods-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.method-option { position: relative; }
.method-option input { position: absolute; opacity: 0; }
.method-card {
  display: grid;
  min-height: 250px;
  gap: 0.8rem;
  align-content: start;
  padding: 1.25rem;
  cursor: pointer;
}
.method-card:hover { border-color: var(--line-strong); }
.method-option input:checked + .method-card { border-color: var(--ink); box-shadow: inset 0 3px 0 var(--ink); }
.method-option input:focus-visible + .method-card { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.method-code { color: var(--soft); font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em; }
.method-card p { color: var(--charcoal); font-size: 0.82rem; }
.method-card small { color: var(--soft); font-size: 0.7rem; }
.recommendation {
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--paper-2);
}
.recommendation strong { color: var(--ink); }

.cause-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.cause-block {
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
}
.cause-block.full { grid-column: 1 / -1; }
.cause-block span { color: var(--soft); font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }
.confidence-control { display: grid; gap: 0.6rem; }
.confidence-output { font-family: var(--mono); color: var(--ink); }
input[type="range"] { min-height: auto; padding: 0; accent-color: var(--ink); }

.handoff-panel { padding: clamp(1.2rem, 3vw, 2rem); }
.handoff-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-bottom: 1.2rem; }
.handoff-summary > div { padding: 1rem; border: 1px solid var(--line); background: var(--paper); }
.handoff-summary span { display: block; color: var(--soft); font-size: 0.68rem; }
.handoff-summary strong { display: block; margin-top: 0.25rem; }
.report-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin: 1.2rem 0;
}
.public-decision-note {
  display: grid;
  gap: 0.35rem;
  margin: 1.2rem 0;
  padding: 1rem;
  border-left: 3px solid var(--gold);
  background: var(--card);
}
.public-decision-note p { margin: 0; color: var(--soft); }
.segmented-control {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}
.segmented-control button {
  min-height: 38px;
  padding: 0.45rem 0.85rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}
.segmented-control button:last-child { border-right: 0; }
.segmented-control button.active { color: var(--paper); background: var(--ink); }
.diagnostic-report {
  display: grid;
  gap: 1.25rem;
  margin: 1rem 0 1.2rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--paper);
}
.diagnostic-report[hidden] { display: none; }
.report-head { display: grid; gap: 0.55rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.report-head p { max-width: 72ch; color: var(--soft); }
.report-section { display: grid; gap: 0.75rem; }
.report-visuals { grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 1rem; }
.report-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.report-fact {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  background: var(--card);
}
.report-fact span { color: var(--soft); font-size: 0.62rem; text-transform: uppercase; }
.report-fact strong { color: var(--charcoal); font-size: 0.86rem; font-weight: 500; }
.table-wrap { overflow-x: auto; }
.dimension-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.dimension-table th, .dimension-table td { padding: 0.65rem; border-bottom: 1px solid var(--line); text-align: left; }
.dimension-table th { color: var(--soft); font-family: var(--mono); font-size: 0.58rem; text-transform: uppercase; }
.report-evidence .evidence-item { grid-template-columns: 1fr; }
.json-preview {
  max-height: 420px;
  overflow: auto;
  padding: 1rem;
  border: 1px solid rgba(245,243,239,.16);
  color: rgba(245,243,239,.9);
  background: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.65;
  white-space: pre-wrap;
}
.guardrail-list { display: grid; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.guardrail-list li { padding-left: 1rem; color: var(--charcoal); font-size: 0.8rem; position: relative; }
.guardrail-list li::before { position: absolute; left: 0; color: var(--ok); content: "—"; }

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  max-width: 360px;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--paper);
  color: var(--paper);
  background: var(--ink);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .case-rail {
    position: static;
    display: block;
    width: 100%;
    height: auto;
    padding: 0.8rem 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .case-rail-head, .rail-principle { display: none; }
  #step-nav { grid-template-columns: repeat(7, minmax(100px, 1fr)); overflow-x: auto; padding: 0; }
  .step-link { border-left: 0; border-bottom: 2px solid transparent; }
  .step-link.active { border-bottom-color: var(--ink); border-left-color: transparent; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .threshold-field { min-height: 320px; }
  .results-layout { grid-template-columns: 1fr; }
  .heatmap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .deep-question-grid, .report-visuals, .report-grid { grid-template-columns: 1fr; }
  .methods-grid { grid-template-columns: 1fr; }
  .method-card { min-height: 0; }
}

@media (max-width: 650px) {
  .app-header { grid-template-columns: 1fr auto; }
  .product-identity, .save-state { display: none; }
  .workspace { padding: 1.25rem 1rem 2.5rem; }
  .hero { padding-top: 2.2rem; }
  .field-grid, .cause-grid, .split-metrics, .handoff-summary, .heatmap-grid { grid-template-columns: 1fr; }
  .question-card { grid-template-columns: 1fr; }
  .scale { justify-content: space-between; }
  .step-intro, .section-heading { grid-template-columns: 1fr; }
  .form-actions { align-items: stretch; flex-direction: column-reverse; }
  .form-actions .button { width: 100%; }
}

@media print {
  .app-header, .case-rail, .form-actions, .inline-actions, .report-toolbar, .json-preview, .toast { display: none !important; }
  .app-shell { display: block; }
  .workspace { width: 100%; padding: 0; }
  body { background: #fff; }
  .handoff-panel, .result-card, .diagnostic-report, .report-fact { box-shadow: none; break-inside: avoid; }
  .diagnostic-report[hidden] { display: none !important; }
  .report-visuals { grid-template-columns: 1fr 1fr; }
  .heatmap-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Diagnostic Card Lab: facilitated qualitative intake, separate from the formal scan. */
.card-lab-view { display: grid; gap: 2.2rem; }
.card-lab-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(1.5rem, 5vw, 4.5rem);
  align-items: stretch;
  padding: clamp(1.6rem, 4vw, 3.4rem) 0;
  border-bottom: 1px solid var(--line-strong);
}
.card-lab-hero-copy { display: grid; align-content: center; gap: 1.15rem; }
.card-lab-hero-copy > p { max-width: 60ch; color: var(--charcoal); }
.card-lab-principle {
  display: grid;
  align-content: space-between;
  gap: 1rem;
  min-height: 280px;
  padding: 1.5rem;
  border: 1px solid var(--line-strong);
  border-top: 4px solid var(--gold);
  background: var(--ink);
  color: var(--paper);
}
.card-lab-principle span { color: rgba(245,243,239,.72); font-family: var(--mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; }
.card-lab-principle strong { max-width: 14ch; font-family: var(--serif); font-size: 2rem; font-weight: 500; line-height: 1; }
.card-lab-principle p { color: rgba(245,243,239,.76); font-size: .78rem; }
.card-lab-session-form, .card-lab-section, .card-lab-detail-list { display: grid; gap: 1.1rem; }
.card-domain { display: grid; gap: .8rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.card-domain-head { display: grid; gap: .3rem; max-width: 68ch; }
.card-domain-head p { color: var(--soft); font-size: .8rem; }
.card-library-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.diagnostic-card {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1rem;
  min-height: 246px;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--card);
}
.diagnostic-card.selected { border-color: var(--gold-dark); box-shadow: inset 0 3px 0 var(--gold); }
.diagnostic-card > div { display: grid; align-content: start; gap: .55rem; }
.diagnostic-card span { color: var(--soft); font-family: var(--mono); font-size: .55rem; letter-spacing: .09em; text-transform: uppercase; }
.diagnostic-card h4, .card-lab-review-grid h4 { margin: 0; color: var(--ink); font-family: var(--serif); font-size: 1.25rem; font-weight: 500; line-height: 1.08; }
.diagnostic-card p { color: var(--charcoal); font-size: .78rem; line-height: 1.48; }
.diagnostic-card small { min-height: 3.6em; color: var(--soft); font-size: .68rem; line-height: 1.45; }
.diagnostic-card .button { justify-self: start; margin-top: .2rem; }
.card-lab-detail { display: grid; gap: .9rem; padding: 1.1rem; border: 1px solid var(--line); background: var(--card); }
.card-lab-detail > p { color: var(--charcoal); font-size: .82rem; }
.card-lab-detail-head { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.card-lab-detail-head > div { display: grid; gap: .3rem; }
.card-lab-detail-head .icon-button { padding: .35rem; border: 1px solid var(--line); font-size: .68rem; }
.status-pill { padding: .28rem .55rem; border: 1px solid var(--line-strong); font-family: var(--mono); font-size: .58rem; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; }
.status-draft { color: var(--soft); }
.status-reviewed { color: var(--gold-ink); border-color: var(--gold-dark); }
.status-approved_for_friction_intake { color: var(--ok); border-color: var(--ok); }
.consent-field { padding: 1rem; border-left: 3px solid var(--gold); background: var(--gold-soft); }
.consent-field > label { margin-bottom: .8rem; }
.consent-field input[type="checkbox"] { width: auto; min-height: auto; margin-right: .4rem; accent-color: var(--ink); }
.card-lab-review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1rem; }
.card-lab-review-grid > div { display: grid; align-content: start; gap: .8rem; padding: 1rem; border: 1px solid var(--line); background: var(--paper); }
.card-lab-gates { display: grid; gap: .45rem; min-height: 4.5rem; margin: 0; padding: 0; list-style: none; }
.card-lab-gates li { color: var(--warn); font-size: .72rem; }
.card-lab-gates li::before { content: "Gate: "; font-family: var(--mono); font-size: .59rem; }
.card-lab-ready { min-height: 4.5rem; color: var(--ok); font-size: .78rem; }

@media (max-width: 900px) {
  .card-lab-hero, .card-lab-review-grid { grid-template-columns: 1fr; }
  .card-library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-lab-principle { min-height: 200px; }
}

@media (max-width: 650px) {
  .card-library-grid { grid-template-columns: 1fr; }
  .diagnostic-card { min-height: 0; }
}

/* Entry experience: problem, evidence and ecosystem continuity. */
.friction-hero { grid-template-columns: minmax(0, 1.2fr) minmax(0, .85fr); gap: 3rem; min-height: 0; padding: 1.5rem 0 2rem; }
.friction-hero h1 { font-size: clamp(2.7rem, 4.7vw, 4.6rem); }
.friction-hero .hero-copy { gap: 1.15rem; }
.diagnostic-preview { padding: 2rem; border: 1px solid var(--line); background: var(--card); }
.diagnostic-preview h2 { font-size: 2rem; margin: 1rem 0; }
.diagnostic-example { list-style: none; margin: 0 0 1rem; padding: 0; }
.diagnostic-example li { padding: 1rem 0; border-top: 1px solid var(--line); }
.diagnostic-example li:nth-child(2) { border-top: 2px solid var(--gold); }
.diagnostic-example span { display: block; color: var(--charcoal); font-size: .75rem; font-weight: 600; margin-bottom: .45rem; }
.diagnostic-example p { font-size: .9rem; }
.home-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.home-three article { border-top: 1px solid var(--line-strong); padding: 1.4rem 0; }
.home-three h3 { font-size: 1.65rem; margin: .7rem 0; }
.home-three p, .home-outcome p { color: var(--charcoal); font-size: .92rem; }
.home-outcome { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; padding: 2rem; background: var(--card); border: 1px solid var(--line); }
.home-outcome h2 { margin: .8rem 0; }
.home-outcome ol { margin: 0; padding-left: 1.3rem; display: grid; gap: 1rem; }
.home-outcome li { padding-left: .5rem; }
.home-outcome strong { display: block; }
.ecosystem-path .current { border-top: 3px solid var(--ink); }
.home-footer { border-top: 1px solid var(--line); padding: 1.5rem 0; display: flex; gap: 2rem; justify-content: space-between; color: var(--charcoal); font-size: .78rem; }
.home-footer p:last-child { max-width: 55ch; }
.file-button:focus-within { outline: 2px solid var(--ink); outline-offset: 3px; }
@media (max-width: 900px) { .friction-hero { grid-template-columns: 1fr; } .home-outcome { gap: 1.5rem; } }
@media (max-width: 650px) { .home-three, .home-outcome { grid-template-columns: 1fr; } .home-three { gap: .5rem; } .diagnostic-preview, .home-outcome { padding: 1.3rem; } .home-footer { flex-direction: column; gap: .75rem; } .friction-hero { padding-top: .5rem; gap: 1.5rem; } }

.workspace:focus { outline: none; }
.skip-link { transform: translateY(-250%); }
.skip-link:focus { transform: none; }