:root {
  --bg: #0b0c0e;
  --bg-elevated: rgba(18, 19, 22, 0.9);
  --bg-soft: rgba(24, 26, 31, 0.74);
  --line: rgba(224, 219, 207, 0.1);
  --line-strong: rgba(224, 219, 207, 0.18);
  --text: #f2eee5;
  --muted: #aaa392;
  --signal: #d6c08b;
  --signal-deep: #bfa46b;
  --accent: #aeb6c9;
  --warm: #c7a06c;
  --rose: #b07d74;
  --panel-shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1220px, calc(100vw - 56px));
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(214, 192, 139, 0.08), transparent 26%),
    radial-gradient(circle at 84% 16%, rgba(174, 182, 201, 0.08), transparent 24%),
    linear-gradient(180deg, #111214 0%, #0b0c0e 48%, #111214 100%);
  color: var(--text);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  letter-spacing: 0.003em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 56%, transparent 92%);
  opacity: 0.35;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.34) 100%);
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.site-shell {
  position: relative;
  z-index: 1;
  width: var(--container);
  margin: 0 auto;
  padding: 22px 0 84px;
}

.topbar {
  position: sticky;
  top: 18px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 15px 20px;
  margin-bottom: 36px;
  border: 1px solid rgba(224, 219, 207, 0.1);
  border-radius: 999px;
  background: rgba(15, 16, 18, 0.84);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text);
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 35%, #fff7e3 0%, var(--signal) 58%, rgba(214, 192, 139, 0.14) 100%);
  box-shadow: 0 0 12px rgba(214, 192, 139, 0.32);
}

.topnav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.topnav a {
  position: relative;
  transition: color 220ms var(--ease);
}

.topnav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--signal), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease);
}

.topnav a:hover {
  color: var(--text);
}

.topnav a:hover::after {
  transform: scaleX(1);
}

main {
  display: grid;
  gap: 0;
}

.slide {
  position: relative;
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  min-height: calc(100vh - 72px);
  padding: 22px 0 34px;
}

.slide + .slide {
  margin-top: 10px;
  padding-top: 54px;
  border-top: 1px solid rgba(224, 219, 207, 0.08);
}

.slide-meta {
  position: sticky;
  top: 122px;
  align-self: start;
  display: grid;
  gap: 10px;
  padding-top: 10px;
}

.slide-number,
.slide-name {
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
}

.slide-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  min-height: 54px;
  border-radius: 16px;
  border: 1px solid rgba(224, 219, 207, 0.1);
  background: rgba(255,255,255,0.025);
  color: var(--signal);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.slide-name {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  line-height: 1.5;
}

.slide-frame {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.slide-frame > * {
  min-width: 0;
}

.slide-opening {
  min-height: auto;
}

.slide-opening .slide-frame {
  align-content: start;
}

.slide-opening + .slide-thesis {
  margin-top: 0;
  padding-top: 22px;
}

.slide-options {
  min-height: auto;
}

.panel {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(21, 22, 25, 0.92) 0%, rgba(13, 14, 16, 0.96) 100%);
  box-shadow: var(--panel-shadow);
}

.panel::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 24%, transparent 78%, rgba(214,192,139,0.03));
  opacity: 0.8;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.85fr);
  gap: 28px;
  align-items: start;
}

.hero-copy,
.hero-dossier-column,
.dossier-card,
.thesis-panel,
.architecture-panel,
.proof-panel,
.control-panel,
.chart-panel,
.kpi-card,
.milestone-panel,
.options-panel,
.buyers-panel,
.method-panel {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker,
.dossier-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.memo-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.memo-ribbon-item {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid rgba(224, 219, 207, 0.1);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.thesis-panel h2,
.proof-panel h2,
.control-panel h2,
.milestone-panel h2,
.options-panel h2,
.buyers-panel h2,
.method-panel h2 {
  margin: 16px 0 0;
  font-family: 'Fraunces', serif;
  font-size: clamp(2.9rem, 5.8vw, 5.15rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
}

.hero h1 span {
  color: rgba(242, 238, 229, 0.7);
}

.lede,
.panel p {
  color: var(--muted);
  line-height: 1.72;
  font-size: 1rem;
}

.lede {
  max-width: 60ch;
  margin-top: 24px;
}

.hero-brief {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.brief-item {
  display: grid;
  gap: 8px;
  padding: 15px 0;
  border-top: 1px solid rgba(224, 219, 207, 0.08);
}

.brief-item:first-child {
  border-top: 1px solid rgba(224, 219, 207, 0.1);
}

.brief-label {
  display: block;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brief-item strong {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
}

.hero-dossier-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 17px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 0.93rem;
  letter-spacing: 0.01em;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

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

.button-primary {
  background: linear-gradient(135deg, #efe2bc 0%, var(--signal) 100%);
  color: #16120b;
  border-color: rgba(239, 226, 188, 0.32);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.16);
}

.button-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.02);
}

.tag,
.scenario-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(224, 219, 207, 0.09);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font-size: 0.8rem;
}

.tag.repo {
  color: var(--signal);
}

.tag.illustrative {
  color: var(--warm);
}

.tag.future {
  color: var(--accent);
}

.dossier-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: calc(var(--radius-xl) - 4px);
  background:
    radial-gradient(circle at top right, rgba(214, 192, 139, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(16, 17, 20, 0.96) 0%, rgba(12, 13, 15, 0.98) 100%);
  border: 1px solid rgba(224,219,207,0.1);
  padding: 26px;
}

.dossier-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hero-value {
  margin-top: 24px;
  font-family: 'Fraunces', serif;
  font-size: clamp(3.3rem, 8.4vw, 5.15rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.hero-range {
  margin-top: 10px;
  color: rgba(247, 244, 237, 0.74);
  font-size: 0.94rem;
}

.metric-split {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.metric-split div {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(224,219,207,0.08);
}

.metric-split span,
.kpi-card span,
.control-block-label,
.control-block span,
.method-card span {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-split strong,
.kpi-card strong {
  display: block;
  margin-top: 11px;
  font-size: 1.22rem;
}

.hero-narrative {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(224,219,207,0.09);
  color: var(--muted);
  line-height: 1.74;
  font-size: 0.97rem;
}

.buyers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.thesis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.trace-list,
.assumption-flags,
.lever-list,
.formula-list,
.driver-list,
.future-input-list,
.worked-example {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.fact-item,
.trace-item,
.formula-card,
.driver-card,
.future-input-item,
.worked-step {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.fact-item span,
.trace-item span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 7px;
  line-height: 1.65;
}

.fact-item strong,
.trace-item strong {
  font-size: 0.98rem;
  line-height: 1.45;
}

.architecture-stack {
  display: grid;
  gap: 14px;
  min-height: 100%;
  align-content: center;
}

.stack-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stack-node {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(224,219,207,0.08);
  background: rgba(255,255,255,0.024);
  font-weight: 600;
  text-align: center;
}

.stack-sensor {
  color: var(--text);
}

.stack-core {
  color: var(--signal);
  background: linear-gradient(135deg, rgba(214,192,139,0.08), rgba(174,182,201,0.05));
}

.stack-output {
  color: var(--accent);
}

.stack-connector {
  width: 1px;
  height: 44px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(214,192,139,0.28), rgba(255,255,255,0.05));
}

.section-heading-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading-row h2,
.control-panel h2,
.buyers-panel h2,
.method-panel h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
}

.section-heading-row p {
  max-width: 50ch;
  font-size: 0.98rem;
}

.proof-grid,
.target-grid,
.option-cards,
.buyer-cards,
.method-grid,
.kpi-grid {
  display: grid;
  gap: 18px;
}

.proof-grid,
.target-grid {
  margin-top: 28px;
}

.proof-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.target-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.proof-card,
.target-card,
.option-card,
.buyer-card,
.method-card,
.milestone-card {
  padding: 20px;
  border-radius: 20px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.proof-card h3,
.option-card h3,
.buyer-card h3,
.method-card h3,
.chart-header h3,
.milestone-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
}

.proof-card small,
.target-card small,
.option-card small,
.buyer-card small,
.mono-note,
.kpi-card small {
  color: var(--muted);
}

.target-card strong {
  display: block;
  font-size: 1.26rem;
  margin-bottom: 6px;
}

.engine-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.engine-results {
  display: grid;
  gap: 18px;
}

.control-panel {
  position: relative;
  top: 0;
  align-self: start;
}

.scenario-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 0;
}

.scenario-button {
  padding: 12px 10px;
  border-radius: 16px;
  border: 1px solid rgba(224,219,207,0.09);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.scenario-button:hover,
.scenario-button.is-active {
  transform: translateY(-1px);
  border-color: rgba(214, 192, 139, 0.34);
  background: rgba(214, 192, 139, 0.08);
  color: var(--text);
}

.control-block {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  padding: 17px;
  border-radius: 18px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(224,219,207,0.08);
}

.scenario-control-block {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.control-block-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 28px;
}

.control-block-heading-spacer {
  flex: 1;
  min-width: 8px;
}

.control-block-label {
  flex: 0 1 auto;
}

.control-block-heading .control-block-label {
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.control-block-heading strong {
  flex: 0 0 auto;
  margin-left: auto;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
}

.control-tooltip-trigger {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  padding: 0;
  margin: 0;
  border-radius: 10px;
  border: 1px solid rgba(224, 219, 207, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.control-tooltip-trigger:hover {
  color: var(--text);
  border-color: rgba(214, 192, 139, 0.35);
  background: rgba(214, 192, 139, 0.1);
}

.control-tooltip-trigger:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.control-tooltip-trigger[aria-expanded='true'] {
  color: var(--signal);
  border-color: rgba(214, 192, 139, 0.45);
  background: rgba(214, 192, 139, 0.12);
}

.control-tooltip-panel {
  position: fixed;
  z-index: 120;
  max-width: min(360px, calc(100vw - 24px));
  max-height: min(70vh, 420px);
  overflow-y: auto;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(224, 219, 207, 0.14);
  background: rgba(16, 17, 20, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.control-tooltip-panel[hidden] {
  display: none !important;
}

.control-tooltip-panel.is-visible:not([hidden]) {
  display: block;
}

.control-tooltip-title {
  margin: 0 0 10px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
}

.control-tooltip-body {
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--muted);
}

.control-tooltip-body p {
  margin: 0 0 12px;
}

.control-tooltip-body p:last-child {
  margin-bottom: 0;
}

.control-tooltip-note {
  padding-top: 10px;
  margin-top: 4px !important;
  border-top: 1px solid rgba(224, 219, 207, 0.1);
  font-size: 0.86rem;
}

.control-block strong {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
}

.control-block-heading + input[type='range'],
.control-block-heading + select {
  margin-top: 2px;
}

.control-block input[type='range'] {
  width: 100%;
  accent-color: var(--signal);
}

.select-block select {
  width: 100%;
  min-height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(224,219,207,0.1);
  background: rgba(12, 12, 14, 0.98);
  color: var(--text);
  padding: 0 12px;
}

.summary-card,
.appendix-callout,
.appendix-panel,
.framework-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(224,219,207,0.08);
}

.summary-card h3,
.formula-card h3,
.driver-card h3,
.framework-card h3,
.appendix-callout h3 {
  display: block;
  margin: 0;
  font-size: 1rem;
}

.formula-detail,
.driver-copy,
.framework-copy,
.future-input-copy,
.worked-copy {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
}

.model-flow-panel {
  padding: 22px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.summary-card {
  padding: 20px;
  border-radius: 20px;
}

.summary-card h3 {
  font-size: 1rem;
  line-height: 1.4;
}

.summary-card p {
  margin: 12px 0 0;
  font-size: 0.96rem;
  line-height: 1.7;
}

.kpi-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.kpi-card strong {
  font-size: 1.88rem;
  font-family: 'Fraunces', serif;
  letter-spacing: -0.04em;
}

.kpi-card.spotlight {
  background: linear-gradient(135deg, rgba(214,192,139,0.08), rgba(174,182,201,0.06));
  border-color: rgba(214,192,139,0.2);
}

.chart-panel {
  margin-top: 18px;
}

.chart-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.mono-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
}

.waterfall-chart,
.scenario-chart,
.milestone-timeline {
  display: grid;
  gap: 16px;
}

.waterfall-row,
.scenario-row,
.milestone-card {
  display: grid;
  gap: 8px;
}

.row-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.row-label {
  color: var(--text);
  font-weight: 600;
}

.bar-track {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  transition: width 550ms var(--ease);
}

.bar-fill.core {
  background: linear-gradient(90deg, rgba(174,182,201,0.45), var(--accent));
}

.bar-fill.option {
  background: linear-gradient(90deg, rgba(214,192,139,0.3), var(--signal));
}

.bar-fill.premium {
  background: linear-gradient(90deg, rgba(199,160,108,0.28), var(--warm));
}

.bar-fill.scenario {
  background: linear-gradient(90deg, rgba(176,125,116,0.24), rgba(174,182,201,0.9));
}

.milestone-timeline {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 28px;
}

.milestone-card {
  min-height: 276px;
}

.milestone-status {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.milestone-status.achieved {
  color: var(--signal);
}

.milestone-status.next {
  color: var(--warm);
}

.milestone-status.option {
  color: var(--accent);
}

.milestone-value {
  margin-top: 10px;
  font-family: 'Fraunces', serif;
  font-size: 2.05rem;
}

.milestone-probability {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.option-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.option-topline,
.buyer-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.option-chip,
.buyer-chip {
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(255,255,255,0.024);
  border: 1px solid rgba(224,219,207,0.08);
  color: var(--muted);
  font-size: 0.8rem;
}

.option-value {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 20px 0;
  gap: 12px;
}

.option-value strong {
  font-family: 'Fraunces', serif;
  font-size: 2.1rem;
}

.bullet-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.72;
  font-size: 0.95rem;
}

.buyer-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

.trace-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.trace-lane {
  min-width: 0;
}

.trace-item--framing span {
  margin-top: 4px;
}

.trace-item--future span {
  display: block;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

.trace-columns h3 {
  margin: 0 0 14px;
}

.method-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.panel-shell,
.appendix-grid,
.framework-grid {
  display: grid;
  gap: 18px;
}

.appendix-intro,
.appendix-grid {
  margin-top: 28px;
}

.appendix-intro {
  grid-template-columns: 1.25fr 0.9fr;
}

.appendix-callout,
.appendix-panel,
.framework-card {
  padding: 22px;
  border-radius: 22px;
}

.appendix-callout.subdued {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(174,182,201,0.05));
}

.appendix-callout p {
  margin-bottom: 0;
}

.appendix-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.appendix-grid.secondary {
  align-items: start;
  grid-template-columns: 1fr;
  gap: 20px;
}

.appendix-panel {
  background: rgba(255,255,255,0.018);
}

.appendix-grid.secondary .appendix-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.022), rgba(174,182,201,0.03));
}

.appendix-grid.secondary .chart-header {
  align-items: start;
  margin-bottom: 22px;
}

.appendix-grid.secondary .section-kicker {
  color: rgba(214, 192, 139, 0.92);
}

.appendix-grid.secondary .chart-header h3 {
  max-width: 34ch;
  font-size: 1.2rem;
  line-height: 1.32;
}

.formula-list,
.driver-list {
  gap: 16px;
}

.formula-card {
  padding: 20px;
  border-radius: 20px;
}

.formula-expression {
  display: block;
  margin-top: 12px;
  padding: 13px 15px;
  border-radius: 16px;
  background: rgba(12, 13, 15, 0.94);
  border: 1px solid rgba(224,219,207,0.08);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.62;
}

.formula-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.formula-chip {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
  color: var(--muted);
  font-size: 0.8rem;
}

.worked-label {
  color: var(--text);
}

.driver-card,
.framework-card {
  padding: 20px;
  border-radius: 20px;
}

.driver-type {
  display: inline-flex;
  width: fit-content;
  margin-top: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(214,192,139,0.08);
  border: 1px solid rgba(214,192,139,0.18);
  color: var(--signal);
  font-size: 0.8rem;
}

.framework-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.framework-card ul,
.worked-example ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}

.worked-example {
  gap: 12px;
}

.worked-step {
  display: grid;
  gap: 9px;
}

.worked-step strong {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  font-size: 1rem;
}

.worked-step em {
  color: var(--text);
  font-style: normal;
  font-family: 'Fraunces', serif;
  font-size: 1.35rem;
}

.future-input-item {
  padding: 14px 16px;
}

.method-card span {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(89,242,179,0.1);
  color: var(--signal);
  border: 1px solid rgba(89,242,179,0.24);
  margin-bottom: 14px;
}

.method-card p,
.option-card p,
.buyer-card p,
.milestone-card p {
  margin-bottom: 0;
}

/* Market Sizing Styles */
.market-summary-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.market-summary-card {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.market-summary-card h3 {
  margin: 0 0 20px;
  font-size: 1.1rem;
  line-height: 1.35;
}

.market-metric {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid rgba(224,219,207,0.08);
}

.market-metric:first-of-type {
  padding-top: 0;
  border-top: none;
}

.market-metric span {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.market-metric strong {
  font-size: 1.6rem;
  font-family: 'Fraunces', serif;
  letter-spacing: -0.02em;
}

.market-metric small {
  color: var(--muted);
  font-size: 0.88rem;
}

.market-funnels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.market-funnel-card {
  padding: 24px;
  border-radius: 20px;
  background: rgba(255,255,255,0.018);
  border: 1px solid rgba(224,219,207,0.08);
}

.market-funnel-card h3 {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.funnel-bars {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.funnel-bar {
  display: grid;
  gap: 6px;
}

.funnel-bar-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.88rem;
}

.funnel-bar-label span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.funnel-bar-label strong {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.92rem;
}

.funnel-bar-track {
  position: relative;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.funnel-bar-fill {
  height: 100%;
  border-radius: inherit;
  transition: width 550ms var(--ease);
}

.funnel-bar-fill.tam {
  background: linear-gradient(90deg, rgba(174,182,201,0.5), var(--accent));
}

.funnel-bar-fill.sam {
  background: linear-gradient(90deg, rgba(214,192,139,0.4), var(--signal));
}

.funnel-bar-fill.som {
  background: linear-gradient(90deg, rgba(199,160,108,0.35), var(--warm));
}

.funnel-rationale,
.funnel-subsegments {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(224,219,207,0.08);
}

.funnel-rationale strong,
.funnel-subsegments strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: var(--text);
}

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

.funnel-subsegments ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

/* Competitive Landscape Styles */
.competitive-table-wrapper {
  overflow-x: auto;
  margin-top: 28px;
  border-radius: 18px;
  border: 1px solid rgba(224,219,207,0.08);
}

.competitive-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.competitive-table thead {
  background: rgba(255,255,255,0.03);
}

.competitive-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid rgba(224,219,207,0.1);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.competitive-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(224,219,207,0.06);
  color: var(--muted);
}

.competitive-table tbody tr:last-child td {
  border-bottom: none;
}

.competitive-table tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.competitive-table .eta-row {
  background: linear-gradient(90deg, rgba(214,192,139,0.08), rgba(174,182,201,0.05));
}

.competitive-table .eta-row td {
  color: var(--text);
  font-weight: 500;
}

.competitive-strengths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.strength-card {
  padding: 20px;
  border-radius: 18px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.strength-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.strength-card ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.7;
  color: var(--muted);
  font-size: 0.94rem;
}

.moat-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.moat-card {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.moat-card.moat-high {
  border-color: rgba(89,242,179,0.2);
  background: linear-gradient(135deg, rgba(89,242,179,0.06), rgba(255,255,255,0.02));
}

.moat-card.moat-medium {
  border-color: rgba(214,192,139,0.2);
  background: linear-gradient(135deg, rgba(214,192,139,0.06), rgba(255,255,255,0.02));
}

.moat-card.moat-low-medium {
  border-color: rgba(199,160,108,0.18);
  background: linear-gradient(135deg, rgba(199,160,108,0.05), rgba(255,255,255,0.02));
}

.moat-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 12px;
}

.moat-header h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.35;
}

.moat-strength {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(224,219,207,0.1);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--signal);
  white-space: nowrap;
}

.moat-type {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(174,182,201,0.08);
  border: 1px solid rgba(174,182,201,0.18);
  color: var(--accent);
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.moat-card p {
  margin: 12px 0;
  line-height: 1.7;
  font-size: 0.94rem;
}

.moat-defensibility {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(224,219,207,0.08);
  font-size: 0.9rem;
  line-height: 1.65;
}

.moat-defensibility strong {
  color: var(--text);
}

.moat-defensibility span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

/* Risk Register Styles */
.risk-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.risk-category-card {
  padding: 20px;
  border-radius: 18px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.risk-category-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.risk-count {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.risk-expected-impact {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-top: 1px solid rgba(224,219,207,0.08);
  border-bottom: 1px solid rgba(224,219,207,0.08);
  margin-bottom: 14px;
}

.risk-expected-impact span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.risk-expected-impact strong {
  font-size: 1.4rem;
  font-family: 'Fraunces', serif;
  letter-spacing: -0.02em;
  color: var(--rose);
}

.risk-mini-bars {
  display: grid;
  gap: 6px;
}

.risk-mini-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  overflow: hidden;
}

.risk-mini-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(176,125,116,0.4), var(--rose));
  border-radius: inherit;
}

.risk-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.risk-card {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255,255,255,0.018);
  border: 1px solid rgba(224,219,207,0.08);
}

.risk-card.risk-high {
  border-color: rgba(176,125,116,0.3);
  background: linear-gradient(135deg, rgba(176,125,116,0.08), rgba(255,255,255,0.02));
}

.risk-card.risk-medium {
  border-color: rgba(199,160,108,0.25);
  background: linear-gradient(135deg, rgba(199,160,108,0.06), rgba(255,255,255,0.02));
}

.risk-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.risk-category-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(174,182,201,0.08);
  border: 1px solid rgba(174,182,201,0.18);
  color: var(--accent);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.risk-status {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(224,219,207,0.1);
  font-size: 0.78rem;
  color: var(--muted);
}

.risk-status.active-mitigation {
  color: var(--signal);
  border-color: rgba(214,192,139,0.2);
  background: rgba(214,192,139,0.08);
}

.risk-card h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.risk-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.risk-metric {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(224,219,207,0.08);
}

.risk-metric span {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.risk-metric strong {
  display: block;
  font-size: 1.05rem;
  font-family: 'IBM Plex Mono', monospace;
}

.risk-mitigation {
  margin-bottom: 16px;
}

.risk-mitigation strong {
  display: block;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text);
}

.risk-mitigation ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.7;
  color: var(--muted);
  font-size: 0.92rem;
}

.risk-residual {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(224,219,207,0.08);
  font-size: 0.88rem;
  color: var(--muted);
}

.risk-owner {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
}

/* Market source notes */
.market-source-note,
.funnel-source-note {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(224,219,207,0.07);
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--muted);
  font-family: 'IBM Plex Mono', monospace;
}

.funnel-source-note strong {
  color: var(--muted);
  font-weight: 500;
}

.funnel-source-note em {
  font-style: normal;
  color: rgba(170,163,146,0.75);
}

/* Hero qualifier and contact */
.hero-qualifier {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(224,219,207,0.08);
  background: rgba(255,255,255,0.02);
}

.hero-qualifier p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
  font-style: italic;
}

.hero-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.hero-contact a {
  color: var(--signal);
  transition: color 180ms var(--ease);
}

.hero-contact a:hover {
  color: var(--text);
}

/* Valuation disclaimer */
.valuation-disclaimer {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(214,192,139,0.14);
  background: rgba(214,192,139,0.04);
  color: var(--signal);
  font-size: 0.86rem;
  line-height: 1.55;
  font-style: italic;
}

/* Revenue ramp */
.revenue-ramp {
  display: grid;
  gap: 16px;
}

.revenue-ramp-row {
  display: grid;
  gap: 6px;
}

.revenue-ramp-note {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

/* Capital requirements */
.capital-requirements-section {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(224,219,207,0.08);
}

.capital-requirements {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.capital-row {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.022);
  border: 1px solid rgba(224,219,207,0.08);
}

.capital-row-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.capital-round {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(214,192,139,0.18);
  background: rgba(214,192,139,0.06);
  color: var(--signal);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.capital-row small {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

/* Contact footer */
.contact-footer {
  margin-top: 64px;
  padding: 32px 0;
  border-top: 1px solid rgba(224,219,207,0.08);
  text-align: center;
}

.contact-footer p {
  margin: 0;
}

.contact-footer-stage {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-footer-emails {
  margin-top: 10px !important;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.contact-footer-emails a {
  color: var(--signal);
  transition: color 180ms var(--ease);
}

.contact-footer-emails a:hover {
  color: var(--text);
}

.contact-footer-sep {
  color: var(--muted);
  margin: 0 4px;
}

@media (max-width: 1180px) {
  .slide {
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: auto;
    padding: 10px 0 22px;
  }

  .slide + .slide {
    margin-top: 0;
    padding-top: 34px;
  }

  .slide-opening + .slide-thesis {
    padding-top: 20px;
  }

  .slide-meta {
    position: relative;
    top: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 0;
  }

  .slide-name {
    font-size: 0.7rem;
  }

  .slide-frame {
    gap: 22px;
  }

  .hero,
  .engine-grid,
  .thesis-grid,
  .buyers-grid,
  .proof-grid,
  .target-grid,
  .option-cards,
  .method-grid,
  .kpi-grid,
  .milestone-timeline,
  .market-summary-cards,
  .market-funnels,
  .competitive-strengths,
  .moat-cards,
  .risk-summary-grid,
  .risk-cards {
    grid-template-columns: 1fr;
  }

  .control-panel {
    position: relative;
    top: 0;
  }

  .metric-split,
  .stack-row,
  .buyer-cards,
  .trace-columns,
  .summary-grid,
  .appendix-intro,
  .appendix-grid,
  .framework-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .site-shell {
    width: min(100vw - 24px, 1280px);
    padding-top: 10px;
  }

  .slide {
    padding: 8px 0 18px;
  }

  .slide + .slide {
    padding-top: 28px;
  }

  .slide-opening + .slide-thesis {
    padding-top: 16px;
  }

  .topbar {
    border-radius: 24px;
    padding: 14px;
    align-items: start;
    flex-direction: column;
  }

  .topnav {
    flex-wrap: wrap;
    gap: 10px 14px;
    font-size: 0.88rem;
  }

  .panel {
    padding: 20px;
    border-radius: 24px;
  }

  .hero h1,
  .thesis-panel h2,
  .proof-panel h2,
  .control-panel h2,
  .milestone-panel h2,
  .options-panel h2,
  .buyers-panel h2,
  .method-panel h2 {
    font-size: clamp(2.2rem, 12vw, 3.4rem);
  }

  .hero-value {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .hero-contact,
  .section-heading-row {
    flex-direction: column;
    align-items: start;
  }

  .scenario-buttons {
    grid-template-columns: 1fr;
  }
}