/* ==========================================================================
   FLOW JOURNAL — PROJECT-SPECIFIC ARTIFACTS
   ==========================================================================
   Coded diagrams and interaction mocks for the Accenture Flow Journal R&D case study.
   Uses Direction G tokens from tokens.css.
   ========================================================================== */

.fj-layout {
  display: flex;
  flex-direction: column;
  gap: 120px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 4vw;
}

.fj-hero {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.fj-eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 8px 16px;
}

.fj-title {
  font-family: var(--display);
  font-size: clamp(48px, 6vw, 80px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.fj-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 700px;
}

.fj-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  margin-top: 48px;
}

.fj-stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: left;
}

.fj-stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-fainter);
  margin-bottom: 12px;
  display: block;
}

.fj-stat-value {
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
}

.fj-stat-value em {
  font-family: var(--display);
  font-size: 24px;
  color: var(--accent);
  font-style: normal;
  display: block;
  margin-bottom: 4px;
}

.fj-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.fj-section-header {
  max-width: 700px;
}

.fj-section-num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.fj-section-title {
  font-family: var(--display);
  font-size: 40px;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 24px;
}

.fj-section-body {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.fj-artifact-container {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 48px;
  overflow: hidden;
}

/* Research: Problem Statements */
.fj-problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.fj-problem-card {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 32px;
}

.fj-problem-card h4 {
  font-family: var(--display);
  font-size: 24px;
  color: var(--ink);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.fj-problem-card h4::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}

.fj-problem-card p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  font-style: italic;
}

/* Research: Key Findings */
.fj-findings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.fj-finding-card {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
}

.fj-finding-stat {
  font-family: var(--display);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-bright);
  margin-bottom: 16px;
}

.fj-finding-title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 12px;
}

.fj-finding-desc {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Research Artifacts */
.fj-artifact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.fj-artifact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
}

.fj-artifact-card h5 {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

/* Gap Chart */
.qc-gap-chart {
  display: grid;
  gap: 12px;
}

.qc-gap-row {
  display: grid;
  grid-template-columns: 80px 1fr 40px;
  gap: 12px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
}

.qc-gap-track {
  height: 8px;
  background: var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.qc-gap-fill {
  display: block;
  height: 100%;
  background: var(--ink-fainter);
  border-radius: 4px;
}

.qc-gap-fill.addressable {
  background: var(--accent);
}

/* Quote Block */
.fj-quote-block {
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  margin-top: 16px;
}

.fj-quote-block p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  font-style: italic;
  margin-bottom: 8px;
}

.fj-quote-block span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Loop Diagram */
.fj-persona-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.fj-persona-card {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.fj-persona-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}

.fj-persona-header h4 {
  font-family: var(--display);
  font-size: 28px;
  color: var(--ink);
  margin-bottom: 8px;
}

.fj-persona-header span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fj-persona-section h5 {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-fainter);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.fj-persona-section p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Loop Diagram */
.fj-loop {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.fj-loop-step {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.fj-loop-step::after {
  content: "→";
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: var(--mono);
}

.fj-loop-step:last-child::after {
  content: "↺";
}

.fj-loop-step h4 {
  font-family: var(--display);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 12px;
}

.fj-loop-step p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Loop Map (Section 4) */
.fj-loop-map {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.loop-map-row {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr 1fr;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.loop-map-row:last-child {
  border-bottom: none;
}

.loop-map-row.header {
  background: var(--line-strong);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-fainter);
}

.loop-map-col {
  background: var(--surface);
  padding: 24px;
  display: flex;
  align-items: center;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.loop-map-row.header .loop-map-col {
  padding: 16px 24px;
  background: var(--surface-strong);
}

.loop-map-col strong {
  font-family: var(--display);
  font-size: 18px;
  color: var(--ink);
}

.loop-map-col em {
  color: var(--ink);
  font-style: normal;
  font-weight: 500;
}

.fj-pill {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Mockups */
.fj-mockup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.fj-mockup {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}

.fj-mockup-header {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-fainter);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.fj-mockup-chat {
  background: var(--surface);
  border-radius: 12px;
  padding: 16px;
  border-left: 3px solid var(--accent);
}

.fj-mockup-chat strong {
  display: block;
  font-family: var(--display);
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 8px;
}

.fj-mockup-chat p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.fj-mockup-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  resize: none;
  min-height: 80px;
}

/* Product Mockup Frames */
.browser-frame {
  width: 100%;
  max-width: 960px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  margin: 0 auto;
}

.browser-header {
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 8px;
}

.dot-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line-strong);
}

.browser-body {
  padding: 40px;
  min-height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Teams-style Mockup */
.teams-app {
  width: 100%;
  max-width: 600px;
  background: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #242424;
  overflow: hidden;
}

[data-theme="dark"] .teams-app {
  background: #201F1F;
  color: #FFFFFF;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.teams-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: #F5F5F5;
  border-bottom: 1px solid #E0E0E0;
}

[data-theme="dark"] .teams-header {
  background: #292828;
  border-bottom-color: #3D3D3D;
}

.teams-avatar {
  width: 32px;
  height: 32px;
  background: #6264A7;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  margin-right: 12px;
}

.teams-bot-name {
  font-weight: 600;
  font-size: 14px;
}

.teams-chat-area {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.teams-message {
  display: flex;
  gap: 16px;
}

.teams-card {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 4px;
  padding: 16px;
  width: 100%;
  max-width: 400px;
}

[data-theme="dark"] .teams-card {
  background: #292828;
  border-color: #3D3D3D;
}

.teams-card-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  color: #6264A7;
}

[data-theme="dark"] .teams-card-title {
  color: #A6A7DC;
}

.teams-card-body {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.teams-input-box {
  width: 100%;
  border: 1px solid #E0E0E0;
  border-radius: 4px;
  padding: 12px;
  font-family: inherit;
  font-size: 14px;
  background: #FAFAFA;
  resize: none;
  min-height: 60px;
  color: inherit;
}

[data-theme="dark"] .teams-input-box {
  background: #201F1F;
  border-color: #3D3D3D;
}

.teams-buttons {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.teams-btn {
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid #E0E0E0;
  background: #FFFFFF;
  color: #242424;
}

[data-theme="dark"] .teams-btn {
  background: #292828;
  border-color: #3D3D3D;
  color: #FFFFFF;
}

.teams-btn.primary {
  background: #6264A7;
  color: #FFFFFF;
  border-color: #6264A7;
}

[data-theme="dark"] .teams-btn.primary {
  background: #8A8BC3;
  color: #201F1F;
  border-color: #8A8BC3;
}

/* Success State for Teams Bot */
.teams-success-state {
  display: none;
  background: #EAF4EA;
  color: #237A4B;
  padding: 12px 16px;
  border-radius: 4px;
  margin-top: 12px;
  font-size: 14px;
  align-items: center;
  gap: 8px;
}

[data-theme="dark"] .teams-success-state {
  background: rgba(35, 122, 75, 0.2);
  color: #5AFA7E;
}

.teams-success-state.active {
  display: flex;
}

.teams-buttons.hidden {
  display: none;
}

/* Kpis */
.fj-kpi-banner {
  background: linear-gradient(135deg, var(--surface), var(--bg));
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
}

.fj-kpi-banner h3 {
  font-family: var(--display);
  font-size: 96px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-bright);
  margin-bottom: 24px;
  text-shadow: 0 0 32px var(--accent-glow);
}

.fj-kpi-banner p {
  font-size: 20px;
  color: var(--ink);
  max-width: 600px;
  margin: 0 auto;
}

/* Dashboard Mockup */
.dashboard-app {
  width: 100%;
  max-width: 800px;
  background: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #242424;
  overflow: hidden;
  display: flex;
}

[data-theme="dark"] .dashboard-app {
  background: #201F1F;
  color: #FFFFFF;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.dash-sidebar {
  width: 200px;
  background: #F3F2F1;
  border-right: 1px solid #E0E0E0;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

[data-theme="dark"] .dash-sidebar {
  background: #292828;
  border-right-color: #3D3D3D;
}

.dash-nav-item {
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 4px;
  color: #616161;
  font-weight: 500;
}

[data-theme="dark"] .dash-nav-item {
  color: #A0A0A0;
}

.dash-nav-item.active {
  background: #EBEBEB;
  color: #242424;
  font-weight: 600;
}

[data-theme="dark"] .dash-nav-item.active {
  background: #3D3D3D;
  color: #FFFFFF;
}

.dash-main {
  flex: 1;
  padding: 32px;
}

.dash-header h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.dash-header p {
  font-size: 14px;
  color: #616161;
  margin-bottom: 24px;
}

[data-theme="dark"] .dash-header p {
  color: #A0A0A0;
}

.insight-panel {
  background: #FAFAFA;
  border: 1px solid #E0E0E0;
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 16px;
}

[data-theme="dark"] .insight-panel {
  background: #292828;
  border-color: #3D3D3D;
}

.insight-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.insight-tag {
  background: #E1DFDD;
  color: #242424;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

[data-theme="dark"] .insight-tag {
  background: #3D3D3D;
  color: #FFFFFF;
}

.insight-actions {
  display: flex;
  gap: 8px;
}

.insight-btn {
  background: transparent;
  border: 1px solid #0078D4;
  color: #0078D4;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

[data-theme="dark"] .insight-btn {
  border-color: #4EB3FF;
  color: #4EB3FF;
}

.insight-btn.filled {
  background: #0078D4;
  color: #FFFFFF;
}

[data-theme="dark"] .insight-btn.filled {
  background: #4EB3FF;
  color: #201F1F;
}

.insight-body {
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.insight-evidence {
  border-left: 2px solid #0078D4;
  padding-left: 12px;
  font-size: 13px;
  color: #616161;
  font-style: italic;
}

[data-theme="dark"] .insight-evidence {
  border-left-color: #4EB3FF;
  color: #A0A0A0;
}

/* ==========================================================================
   V2 REFINEMENTS — proof snapshot, coded examples, KPI pair, reading modes
   ========================================================================== */

/* Restore V2 hero spacing (id selector in case-study.css would otherwise win) */
#caseStudyWrapper.fj-layout { padding-top: 120px; }

.transparent-artifact {
  background: transparent;
  border: 0;
  padding: 0;
  overflow: visible;
}

/* Shared mini label for example artifacts */
.fj-mini-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

/* What this project proves (subtle, V2-styled) */
.fj-proves {
  width: 100%;
  max-width: 760px;
  margin-top: 8px;
  padding: 28px 32px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
}
.fj-proves-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.fj-proves ul {
  display: grid;
  gap: 11px;
}
.fj-proves li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
}
.fj-proves li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
}
.fj-proves strong { color: var(--ink); font-weight: 600; }
.fj-proves em { color: var(--accent); font-style: normal; }

/* Coded example wrapper (sits on the page background) */
.fj-example {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.transparent-artifact .fj-example { margin-bottom: 32px; }
.fj-example-head { margin-bottom: 20px; }
.fj-example-head h4 {
  font-family: var(--display);
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.fj-example-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-top: 16px;
}

/* Example: legacy self-review form (the "before") */
.fj-legacy-form {
  display: grid;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 24px;
}
.fj-legacy-form label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-fainter);
}
.fj-legacy-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  padding: 14px 16px;
  margin-bottom: 8px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink-fainter);
  font-size: 14px;
}
.fj-legacy-due {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--alert);
  white-space: nowrap;
}

/* Example: prompt taxonomy */
.fj-prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.fj-prompt-card {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 20px;
}
.fj-prompt-card span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-fainter);
  margin-bottom: 10px;
}
.fj-prompt-card p {
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.35;
  color: var(--ink);
}

/* Example: private vault entries */
.fj-vault-list {
  display: grid;
  gap: 12px;
}
.fj-vault-entry {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  align-items: start;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.fj-vault-date {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--accent);
  padding-top: 2px;
}
.fj-vault-entry p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  font-style: italic;
}

/* KPI pair (Validation) */
.fj-kpi-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.fj-kpi-pair .fj-kpi-banner {
  padding: 48px 40px;
}
.fj-kpi-pair .fj-kpi-banner h3 {
  font-size: clamp(64px, 8vw, 88px);
}
.fj-kpi-pair .fj-kpi-banner p {
  font-size: 16px;
}
.fj-kpi-pair .fj-kpi-banner strong { color: var(--accent-bright); font-weight: 600; }

/* Reading modes — keep V2 layout, only gate content density */
#caseStudyWrapper[data-view-mode="overview"] { gap: 88px; }
#caseStudyWrapper[data-view-mode="presentation"] { gap: 64px; }
#caseStudyWrapper[data-view-mode="presentation"] .fj-section:not(.fj-presentation-keep) { display: none; }
#caseStudyWrapper[data-view-mode="presentation"] .fj-hero {
  min-height: calc(100vh - 200px);
  justify-content: center;
}
#caseStudyWrapper[data-view-mode="presentation"] .fj-title {
  font-size: clamp(56px, 9vw, 132px);
}
#caseStudyWrapper[data-view-mode="presentation"] .fj-subtitle,
#caseStudyWrapper[data-view-mode="presentation"] .fj-section-body {
  font-size: 20px;
}

/* ==========================================================================
   V2 ADDITIONS — evolution tours, principles, scoreboard, leadership
   ========================================================================== */

/* Transparent artifact containers stack their children on the page bg */
.fj-artifact-container.transparent-artifact {
  display: grid;
  gap: 32px;
}
.transparent-artifact .fj-example { margin-bottom: 0; }

/* Captions under live product frames */
.fj-frame-caption {
  margin-top: -16px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-fainter);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Root-cause diagnostic: reflection latency map */
.fj-diagnostic-copy {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 640px;
  margin-bottom: 24px;
}
.fj-latency-map {
  display: grid;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 24px;
}
.fj-latency-row {
  display: grid;
  grid-template-columns: 160px 1fr 120px;
  gap: 16px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.fj-latency-row strong {
  color: var(--ink);
  text-align: right;
  font-weight: 500;
}
.fj-latency-track {
  height: 10px;
  background: var(--line);
  border-radius: 5px;
  overflow: hidden;
}
.fj-latency-fill {
  display: block;
  height: 100%;
  border-radius: 5px;
}
.fj-latency-fill.legacy { width: 100%; background: var(--alert); opacity: 0.75; }
.fj-latency-fill.prompt { width: 4%; min-width: 12px; background: var(--accent); box-shadow: 0 0 12px var(--accent-glow); }

/* Methods strip */
.fj-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fj-method-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 24px;
}
.fj-method-num {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-fainter);
  margin-bottom: 12px;
}
.fj-method-card h5 {
  font-family: var(--display);
  font-size: 20px;
  color: var(--ink);
  margin-bottom: 6px;
}
.fj-method-n {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 12px;
}
.fj-method-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* Principles trio */
.fj-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fj-principle-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.fj-principle-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.fj-principle-num {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.fj-principle-card h4 {
  font-family: var(--display);
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}
.fj-principle-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* Said yes / said no scope matrix */
.fj-yn-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.fj-yn-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.fj-yn-col.yes { border-left: 3px solid var(--accent); }
.fj-yn-col.no { border-left: 3px solid var(--alert); }
.fj-yn-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.fj-yn-col.yes .fj-yn-label { color: var(--accent); }
.fj-yn-col.no .fj-yn-label { color: var(--alert); }
.fj-yn-col ul { display: grid; gap: 11px; list-style: none; }
.fj-yn-col li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}
.fj-yn-col.yes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
}
.fj-yn-col.no li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: var(--alert);
  font-family: var(--mono);
  font-size: 12px;
}
.fj-yn-col.no li { color: var(--ink-soft); }
.fj-yn-col s { text-decoration-color: var(--alert); color: var(--ink); }

/* Persona design-implication row */
.fj-persona-implication {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.fj-persona-implication h5 { color: var(--accent); }
.fj-persona-implication p { color: var(--ink); }

/* Design Evolution Tour */
.fj-evo {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.fj-evo-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.fj-evo-tab {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  color: var(--ink-soft);
  font-family: var(--sans);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.fj-evo-tab:hover { border-color: var(--accent); }
.fj-evo-tab.active {
  border-color: var(--accent);
  background: var(--surface-strong);
  color: var(--ink);
}
.fj-evo-letter {
  font-family: var(--display);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink-fainter);
  flex-shrink: 0;
}
.fj-evo-tab.active .fj-evo-letter { color: var(--accent); }
.fj-evo-name {
  font-size: 13px;
  font-weight: 500;
  flex: 1;
  min-width: 0;
}
.fj-evo-status {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
  flex-shrink: 0;
}
.fj-evo-status.killed { color: var(--alert); }
.fj-evo-status.partial { color: var(--warn); }
.fj-evo-status.shipped { color: var(--accent); }

.fj-evo-pane {
  display: none;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 32px;
  align-items: center;
}
.fj-evo-pane.active { display: grid; }

.fj-evo-mock { min-width: 0; }
.fj-mini-product {
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}
.fj-mini-product span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-fainter);
  margin-bottom: 12px;
}
.fj-mini-product h4 {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 10px;
}
.fj-mini-product p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.fj-mini-product.accent { border-color: var(--accent); box-shadow: 0 0 32px var(--accent-glow); }
.fj-mini-product.accent span { color: var(--accent); }
.fj-mini-product.danger { border-color: var(--alert); box-shadow: 0 0 32px var(--alert-glow); }
.fj-mini-product.danger span { color: var(--alert); }

.fj-evo-story { min-width: 0; }
.fj-evo-story h4 {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 10px;
}
.fj-evo-story p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 14px;
}
.fj-evo-story .fj-quote-block { margin-top: 0; margin-bottom: 14px; }
.fj-evo-metric {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 14px;
}

/* Validation scoreboard */
.fj-scoreboard {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 24px;
}
.fj-score-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr) minmax(110px, auto);
  gap: 24px;
  align-items: center;
  background: var(--surface);
  padding: 22px 28px;
}
.fj-score-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
}
.fj-score-bars { display: grid; gap: 8px; }
.fj-score-bar {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-fainter);
}
.fj-score-track {
  height: 8px;
  background: var(--line);
  border-radius: 4px;
  overflow: hidden;
}
.fj-score-track i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: var(--ink-fainter);
}
.fj-score-bar.post .fj-score-track i {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.fj-score-delta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent-bright);
  text-align: right;
  white-space: nowrap;
}

/* Honest limitation callout */
.fj-honest {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-top: 24px;
}
.fj-honest .fj-mini-label { color: var(--warn); }
.fj-honest p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 760px;
}

/* Leadership moments */
.fj-leadership {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.fj-leader-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.fj-leader-num {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 14px;
}
.fj-leader-card h4 {
  font-family: var(--display);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 12px;
}
.fj-leader-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* Closing reflection pull quote */
.fj-reflection {
  border-left: 3px solid var(--accent);
  padding: 8px 0 8px 32px;
  max-width: 760px;
}
.fj-reflection p {
  font-family: var(--display);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--ink);
}

/* V2 additions: responsive behavior */
@media (max-width: 1024px) {
  .fj-methods,
  .fj-principles,
  .fj-leadership {
    grid-template-columns: 1fr;
  }
  .fj-evo-tabs { grid-template-columns: 1fr; }
  .fj-evo-pane { grid-template-columns: 1fr; }
  .fj-yn-matrix { grid-template-columns: 1fr; }
  .fj-score-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .fj-score-delta { text-align: left; }
}

@media (max-width: 600px) {
  .fj-latency-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .fj-latency-row strong { text-align: left; }
  .fj-evo { padding: 24px; }
}

/* Narrow-screen nav: let the mode bar wrap cleanly under the back link */
@media (max-width: 620px) {
  .case-study-nav .nav-inner { flex-wrap: wrap; gap: 10px; }
  .case-study-nav .nav-right { width: 100%; justify-content: space-between; }
  .view-modes { flex: 1; overflow-x: auto; }
  .mode-btn { flex: 1 0 auto; white-space: nowrap; font-size: 10px; padding: 6px 8px; }
  #caseStudyWrapper.fj-layout { padding-top: 132px; }
}

@media (max-width: 1024px) {
  .fj-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .fj-prompt-grid,
  .fj-kpi-pair {
    grid-template-columns: 1fr;
  }
  .fj-loop {
    grid-template-columns: 1fr;
  }
  .fj-loop-step::after {
    content: "↓";
    right: 50%;
    top: auto;
    bottom: -16px;
    transform: translateX(50%);
  }
  .fj-loop-step:last-child::after {
    content: "↑";
  }
  .fj-problem-grid,
  .fj-findings-grid,
  .fj-persona-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .fj-stats-grid {
    grid-template-columns: 1fr;
  }
  .fj-artifact-container {
    padding: 24px;
  }
  .fj-example {
    padding: 24px;
  }
  /* Keep the dense service map readable instead of clipping it */
  .fj-loop-map {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .fj-loop-map .loop-map-row {
    min-width: 640px;
  }
  .fj-vault-entry {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .browser-body {
    padding: 20px;
    min-height: auto;
  }
}