:root {
  --bg: #f3efe5;
  --bg-elevated: #faf7f0;
  --bg-card: #faf7f0;
  --surface-muted: #ece5d6;
  --border: #ddd4c2;
  --border-strong: #cabfa8;
  --text: #26241d;
  --text-muted: #6f685b;
  --accent: #1f5e3a;
  --accent-dim: #184b2e;
  --accent-soft: #e6ede5;
  --rose: #bc8884;
  --rose-soft: #f0e2df;
  --warn: #94681d;
  --warn-bg: #f1e7d1;
  --success: #1f5e3a;
  --success-bg: #e6ede5;
  --chip: #ece5d6;
  --chip-active: #dce7dc;
  --shadow: 0 1px 2px rgba(38, 36, 29, 0.05), 0 6px 20px rgba(38, 36, 29, 0.06);
  --radius: 8px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

h1,
h2,
h3,
.hero h1,
.section-head h2,
.panel h3,
.chart-card-header h3,
.detail-hero h1,
.stat-card .value {
  font-family: var(--font-serif);
  font-feature-settings: "ss01", "lnum";
}

.page {
  max-width: 1760px;
  margin: 0 auto;
  padding: 2rem clamp(1.5rem, 4vw, 3.5rem) 4rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hero {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  text-align: left;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  padding: 0.9rem 1.2rem;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.15s, border-color 0.15s, background 0.15s, color 0.15s;
}

.tab-btn .tab-label {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tab-btn .tab-hint {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.tab-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.tab-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #faf7f0;
  box-shadow: 0 2px 4px rgba(31, 94, 58, 0.3);
}

.tab-btn.is-active .tab-hint {
  color: rgba(250, 247, 240, 0.82);
}

.demo-banner {
  margin-bottom: 1.5rem;
  padding: 0.8rem 1.1rem;
  border: 1px solid #e3d4ad;
  background: var(--warn-bg);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.55;
}

.demo-banner strong {
  color: var(--warn);
}

.demo-banner code {
  font-size: 0.85rem;
  background: rgba(148, 104, 29, 0.12);
  padding: 0.05rem 0.35rem;
  border-radius: 5px;
}

.banner-link {
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

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

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

.lede {
  margin: 0.85rem 0 0;
  color: var(--text-muted);
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.55;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meta-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.section-head {
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 650;
}

.section-sub {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.insights {
  margin-bottom: 2.5rem;
}

.charts-layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}

@media (min-width: 1000px) {
  .charts-layout {
    grid-template-columns: 250px 1fr;
  }
}

/* Vertical chart tab rail */
.chart-subnav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: sticky;
  top: 1rem;
}

.chart-subtab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  text-align: left;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  font-family: inherit;
  padding: 0.75rem 1rem;
  border-radius: 11px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.15s, border-color 0.15s, background 0.15s, color 0.15s;
}

.chart-subtab-title {
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.chart-subtab-hint {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
}

.chart-subtab:hover {
  transform: translateX(2px);
  border-color: var(--accent);
}

.chart-subtab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #faf7f0;
  box-shadow: 0 2px 4px rgba(31, 94, 58, 0.3);
}

.chart-subtab.is-active .chart-subtab-hint {
  color: rgba(250, 247, 240, 0.82);
}

.charts-main {
  min-width: 0;
}

.chart-panels {
  position: relative;
}

.chart-subpanel {
  display: none;
}

.chart-subpanel.is-active {
  display: block;
}

.chart-grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 1280px) {
  .chart-grid {
    grid-template-columns: 1fr 300px;
  }
}

.chart-obs {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.chart-obs h4 {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 700;
}

.chart-obs .obs-list {
  font-size: 0.92rem;
}

.chart-obs .obs-list li + li {
  margin-top: 0.55rem;
}

.chart-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.chart-card-header {
  padding: 0.9rem 1.1rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.chart-card-header h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 650;
}

.chart-card-header p {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.chart-plot {
  width: 100%;
  min-height: 0;
  background: transparent;
  padding: 0;
}

.insights-grid-charts {
  margin-top: 0.5rem;
}

@media (min-width: 960px) {
  .insights-grid-charts {
    grid-template-columns: 1fr 1fr;
  }
}

.info-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 960px) {
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }

  .info-grid .panel-caveats {
    grid-column: 1 / -1;
  }
}

.info-text {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.info-text code {
  font-size: 0.85rem;
  background: rgba(148, 104, 29, 0.12);
  padding: 0.05rem 0.35rem;
  border-radius: 5px;
  color: var(--warn);
}

.info-confidence {
  font-size: 0.95rem;
}

.info-confidence strong {
  color: var(--text);
}

.chart-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: flex-end;
  padding: 0 1rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.chart-control {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.chart-control select {
  min-width: 180px;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.85rem;
}

.chart-control-range input[type="range"] {
  width: 140px;
  accent-color: var(--accent);
}

.chart-reset-btn {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  font-size: 0.82rem;
  cursor: pointer;
}

.chart-reset-btn:hover {
  border-color: var(--accent-dim);
}

.sankey-empty {
  margin: 0.5rem 1rem 0;
  font-size: 0.85rem;
  color: var(--warn);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.stat-card .label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.stat-card .value {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-card .hint {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.insights-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 960px) {
  .insights-grid {
    grid-template-columns: 1.2fr 1fr 0.9fr;
  }
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.panel h3 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.obs-list,
.rate-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.obs-list li + li,
.rate-list li + li {
  margin-top: 0.45rem;
}

.rate-list strong {
  color: var(--text);
}

.panel-caveats {
  border-color: #e3d4ad;
  background: var(--warn-bg);
}

.filters {
  margin-bottom: 1.5rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.25rem;
}

.search {
  flex: 1 1 220px;
}

.search input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 0.95rem;
}

.search input:focus {
  outline: 2px solid var(--accent-dim);
  outline-offset: 1px;
}

.toolbar-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
}

.toggle-pill:has(input:checked) {
  border-color: var(--accent-dim);
  background: var(--accent-soft);
}

.toggle-pill input {
  accent-color: var(--accent);
}

.field-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.field-inline select {
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
}

.filter-block + .filter-block {
  margin-top: 1rem;
}

.filter-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}

.filter-head h3 {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.filter-mode {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.mode-option {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  cursor: pointer;
}

.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  max-height: 9.5rem;
  overflow-y: auto;
  padding: 0.15rem 0.1rem 0.35rem;
}

.chip {
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.chip:hover {
  color: var(--text);
  border-color: var(--accent-dim);
}

.chip.active {
  background: var(--chip-active);
  color: var(--text);
  border-color: var(--accent);
}

.chip .count {
  opacity: 0.65;
  margin-left: 0.2rem;
}

.link-btn {
  margin-left: 0.5rem;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: inherit;
  text-decoration: underline;
}

.founder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.founder-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, transform 0.15s;
  cursor: pointer;
}

.founder-card:hover,
.founder-card:focus-visible {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  outline: none;
  box-shadow: var(--shadow), 0 0 0 2px rgba(31, 94, 58, 0.25);
}

.founder-card .card-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.85;
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

.card-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
}

.card-company {
  margin: 0.15rem 0 0;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
}

.card-title {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.card-badges {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  align-items: flex-end;
}

.badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  white-space: nowrap;
}

.badge-research {
  background: var(--success-bg);
  color: var(--success);
}

.badge-review {
  background: var(--warn-bg);
  color: var(--warn);
}

.badge-none {
  background: var(--surface-muted);
  color: var(--text-muted);
}

.card-bio {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-bio:empty {
  display: none;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.card-tags:empty {
  display: none;
}

.tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  background: var(--chip);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.tag-research {
  border-color: #c4d8c9;
  background: var(--accent-soft);
  color: var(--accent);
}

.metrics {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 0.75rem;
  font-size: 0.82rem;
}

.metrics dt {
  color: var(--text-muted);
  font-weight: 500;
}

.metrics dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-footer a {
  font-size: 0.78rem;
  color: var(--accent);
  text-decoration: none;
}

.card-footer a:hover {
  text-decoration: underline;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
  grid-column: 1 / -1;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.75rem;
}

.pager:empty {
  display: none;
}

.pager-btn {
  min-width: 2.25rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.pager-btn:hover:not(:disabled) {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.pager-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #faf7f0;
}

.pager-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.pager-gap {
  padding: 0 0.25rem;
  color: var(--text-muted);
}

.load-error {
  padding: 2rem;
  text-align: center;
  color: var(--warn);
}

.founder-detail-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.detail-topbar {
  margin-bottom: 1.25rem;
}

.detail-back-btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.detail-back-btn:hover {
  border-color: var(--accent-dim);
}

.founder-detail {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.detail-hero {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
}

.detail-hero h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  letter-spacing: -0.03em;
}

.detail-hero .detail-company {
  margin: 0.35rem 0 0;
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 600;
}

.detail-hero .detail-subtitle {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.detail-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
}

.detail-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.detail-section h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 650;
}

.detail-bio {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.detail-metric {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}

.detail-metric .label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.detail-metric .value {
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.detail-score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.55rem;
}

.detail-score {
  font-size: 0.85rem;
}

.detail-score dt {
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.detail-score dd {
  margin: 0;
  font-weight: 650;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.detail-links a {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
}

.detail-links a:hover {
  border-color: var(--accent-dim);
}

.detail-note {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

body.detail-open #dashboard-main {
  display: none;
}

body.detail-open .founder-detail-page {
  display: block;
}