:root {
  color-scheme: light;
  --background: #f3f6f5;
  --surface: #ffffff;
  --surface-soft: #eaf0ed;
  --ink: #17211e;
  --muted: #65716d;
  --border: #d2dad6;
  --blue: #426f8e;
  --rust: #bd5b3d;
  --green: #2c765a;
  --amber: #a87319;
  --red: #b14b51;
  --focus: #2368a2;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--background);
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.page-shell {
  min-height: 100vh;
}

.masthead {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.masthead-inner,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.masthead-inner {
  min-height: 172px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 38px 0 30px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: 2.25rem;
  line-height: 1.15;
  font-weight: 650;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.source-link {
  flex: 0 0 auto;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.source-link:hover {
  border-color: var(--green);
  color: var(--green);
}

main {
  padding: 30px 0 48px;
}

.conclusion-band {
  display: grid;
  grid-template-columns: minmax(190px, 0.32fr) 1fr;
  gap: 24px;
  align-items: start;
  padding: 20px 22px;
  border-left: 4px solid var(--amber);
  background: #fff8e8;
  color: #453817;
}

.conclusion-band strong {
  font-size: 1rem;
}

.conclusion-band span {
  line-height: 1.55;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.metric-card {
  min-width: 0;
  min-height: 154px;
  padding: 19px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
}

.metric-card p,
.compact-metric span {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.metric-card strong {
  display: block;
  margin-top: 18px;
  font-size: 1.65rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.metric-card span,
.compact-metric small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

.dashboard-section {
  padding: 52px 0 4px;
}

.strategy-band {
  margin-top: 48px;
  padding: 48px 0 6px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 22px;
}

h2 {
  margin: 0;
  font-size: 1.42rem;
  line-height: 1.25;
  font-weight: 650;
}

h3 {
  margin: 0 0 16px;
  font-size: 1rem;
  font-weight: 650;
}

.section-summary {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
  text-align: right;
}

.chart-shell {
  position: relative;
  min-width: 0;
  width: 100%;
  overflow: hidden;
}

.chart-shell canvas {
  max-width: 100% !important;
}

.chart-large {
  height: 370px;
}

.chart-medium {
  height: 330px;
}

.chart-note {
  margin: 12px 0 0;
  max-width: 980px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.chart-note strong {
  color: var(--ink);
}

.evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.25fr) minmax(230px, 0.75fr);
  gap: 42px;
  align-items: start;
  margin-top: 46px;
}

.evidence-grid > * {
  min-width: 0;
}

.concentration-panel {
  min-width: 0;
}

.compact-metric {
  min-height: 105px;
  padding: 17px 0;
  border-top: 1px solid var(--border);
}

.compact-metric:last-child {
  border-bottom: 1px solid var(--border);
}

.compact-metric strong {
  display: block;
  margin-top: 9px;
  font-size: 1.42rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.emphasis-negative strong {
  color: var(--red);
}

.method-band {
  display: grid;
  grid-template-columns: minmax(210px, 0.38fr) 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 58px;
  padding: 28px 0;
  border-top: 2px solid var(--amber);
  border-bottom: 1px solid var(--border);
}

.ai-review-band {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.ai-headline {
  padding: 22px 24px;
  border-left: 4px solid var(--green);
  background: var(--surface-soft);
}

.ai-headline h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.ai-headline p,
.ai-assessment p {
  margin: 0;
  line-height: 1.65;
}

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

.ai-assessment {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: 6px;
  background: var(--surface);
}

.ai-assessment.strategy-assessment {
  border-top-color: var(--rust);
}

.evidence-list,
.review-list {
  margin: 16px 0 0;
  padding-left: 20px;
}

.evidence-list {
  color: var(--muted);
  font-size: 0.78rem;
}

.evidence-list li,
.review-list li {
  margin-bottom: 9px;
  line-height: 1.5;
}

.ai-review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.ai-review-grid h3 {
  margin-bottom: 12px;
}

.review-list {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.method-band p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.load-error {
  margin-top: 20px;
  padding: 14px;
  border: 1px solid var(--red);
  color: var(--red);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 38px;
  color: var(--muted);
  font-size: 0.75rem;
}

@media (max-width: 900px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .concentration-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .concentration-panel h3 {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .compact-metric,
  .compact-metric:last-child {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .ai-review-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 680px) {
  .masthead-inner,
  main,
  footer {
    width: min(100% - 28px, 1180px);
  }

  .masthead-inner {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    padding: 28px 0 24px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .subtitle {
    line-height: 1.5;
  }

  .conclusion-band,
  .method-band {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .metric-grid,
  .concentration-panel,
  .ai-assessment-grid {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 132px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .section-summary {
    max-width: none;
    text-align: left;
  }

  .chart-large,
  .chart-medium {
    height: 310px;
  }

  footer {
    flex-direction: column;
    gap: 8px;
  }
}