:root {
  color-scheme: light;
  --ink: #171717;
  --surface: #ffffff;
  --canvas: #f3f4f4;
  --soft: #eef0f1;
  --muted: #5f6368;
  --line: #d9dcdf;
  --line-strong: #b9bec3;
  --focus: #111111;
  --body: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  background: var(--ink);
  color: var(--surface);
}

.skip-link:focus {
  width: auto;
  height: auto;
  padding: 0.7rem 1rem;
  overflow: visible;
  clip: auto;
  clip-path: none;
}

.masthead {
  background: var(--ink);
  color: var(--surface);
}

.masthead__inner,
main,
footer {
  width: min(100% - 2rem, 1280px);
  margin-inline: auto;
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: 1.5rem;
}

.kicker,
.masthead__mark,
.eyebrow,
.decision-note__label,
.scope-line__label,
.section-number,
.metric-card__label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  line-height: 1.35;
  text-transform: uppercase;
}

.masthead__mark {
  color: #c9c9c9;
  font-weight: 500;
  text-align: right;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(340px, 0.8fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: 3.25rem 0 2.5rem;
}

.eyebrow,
.section-number {
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 0.75rem;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.35rem, 4.5vw, 4.25rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.hero__summary {
  max-width: 720px;
  margin: 1.2rem 0 0;
  color: #44484c;
  font-size: 1.03rem;
  line-height: 1.65;
}

.decision-note {
  align-self: stretch;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink);
  border-radius: 7px;
  background: var(--surface);
}

.decision-note__finding {
  margin: 0.85rem 0 0;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.decision-note__action {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.scope-line {
  display: grid;
  grid-template-columns: 1fr 0.75fr 1.35fr 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.scope-line > div {
  min-width: 0;
  padding: 1rem 1.15rem;
  border-right: 1px solid var(--line);
}

.scope-line > div:last-child {
  border-right: 0;
}

.scope-line__label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
}

.scope-line strong,
.scope-line a {
  display: block;
  font-size: 0.9rem;
  font-weight: 650;
}

.filter-panel,
.dashboard-section,
.method-section {
  padding: 2.4rem 0;
}

.dashboard-section,
.method-section {
  border-top: 1px solid var(--line);
}

.filter-panel__heading,
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.15rem;
}

.section-heading {
  align-items: flex-start;
  justify-content: flex-start;
}

.section-heading > div {
  flex: 1;
}

h2 {
  margin: 0.2rem 0 0;
  font-size: clamp(1.55rem, 2.4vw, 2.15rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.section-heading h2 {
  margin-top: 0;
}

.section-heading p:last-child {
  max-width: 680px;
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-number {
  flex: 0 0 120px;
  padding-top: 0.35rem;
}

.filter-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: right;
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 0.9rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.filters label {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}

.filters label span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.filters select {
  width: 100%;
  height: 44px;
  min-height: 44px;
  padding: 0 2.2rem 0 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  color: var(--ink);
  background: var(--surface);
  font: inherit;
  font-weight: 550;
}

.filters button {
  align-self: end;
  min-width: 132px;
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--ink);
  color: var(--surface);
  font: 700 0.72rem/1 var(--body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.filters button:hover {
  background: #333333;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  padding-bottom: 2.4rem;
}

.metric-card {
  min-width: 0;
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.metric-card__label {
  min-height: 1.9rem;
  color: var(--muted);
}

.metric-card__value {
  margin: 0.65rem 0 0.35rem;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
}

.metric-card__definition {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.45;
}

.metric-card__context {
  margin: 0 0 0.35rem;
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 650;
  line-height: 1.35;
}

.chart-grid,
.table-grid {
  display: grid;
  gap: 1rem;
}

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

.chart-grid--drivers {
  grid-template-columns: minmax(0, 1.55fr) minmax(320px, 0.75fr);
}

.chart-card,
.table-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.chart-card__heading {
  min-height: 96px;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--line);
}

.chart-card__heading h3,
.method-grid h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.chart-card__heading p {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.chart-frame {
  position: relative;
  height: 300px;
  padding: 1rem;
}

.chart-frame--tall {
  height: 340px;
}

.chart-signal {
  display: flex;
  min-height: 58px;
  align-items: center;
  margin: 0;
  padding: 0.75rem 1.15rem;
  border-bottom: 1px solid var(--line);
  color: #45494d;
  background: #fafafa;
  font-size: 0.76rem;
  line-height: 1.45;
}

.data-table-details {
  border-top: 1px solid var(--line);
}

.data-table-details summary {
  padding: 0.75rem 1.15rem;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

th,
td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--soft);
  text-align: right;
  vertical-align: top;
}

th {
  color: var(--muted);
  background: #fafafa;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

th:first-child,
td:first-child {
  min-width: 220px;
  text-align: left;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover {
  background: #fafafa;
}

.method-section {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) minmax(0, 1.8fr);
  gap: 2.5rem;
}

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

.method-grid > div {
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.method-grid p {
  margin: 0.55rem 0 0;
  color: #45494d;
  font-size: 0.84rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.75rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
}

footer p {
  margin: 0 0 0.2rem;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.footer-source-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.footer-source-link:hover {
  border-color: var(--ink);
  background: var(--soft);
}

.github-mark {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: currentColor;
}

.noscript {
  margin: 0;
  padding: 1rem;
  background: var(--ink);
  color: var(--surface);
  text-align: center;
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .decision-note {
    max-width: 760px;
  }

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

  .chart-grid--drivers {
    grid-template-columns: 1fr;
  }

  .method-section {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

}

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

  .scope-line > div:nth-child(2) {
    border-right: 0;
  }

  .scope-line > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .filters button {
    grid-column: 2;
  }

  .chart-grid--two,
  .table-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .masthead__inner,
  main,
  footer {
    width: min(100% - 1.25rem, 1280px);
  }

  .masthead__mark {
    display: none;
  }

  .hero {
    padding: 2.25rem 0 1.75rem;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 2.75rem);
    letter-spacing: -0.035em;
  }

  .hero__summary {
    font-size: 0.95rem;
  }

  .scope-line,
  .filters,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .scope-line > div,
  .scope-line > div:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .scope-line > div:last-child {
    border-bottom: 0;
  }

  .filter-panel__heading,
  .section-heading {
    display: block;
  }

  .section-number {
    margin-bottom: 0.4rem;
    padding-top: 0;
  }

  .filter-status {
    margin-top: 0.55rem;
    text-align: left;
  }

  .filters button {
    grid-column: 1;
    min-height: 48px;
  }

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

  .metric-card__label {
    min-height: 2.6rem;
  }

  .chart-frame,
  .chart-frame--tall {
    height: 310px;
    padding: 0.75rem;
  }

  .method-section {
    display: block;
  }

  .method-grid {
    margin-top: 1rem;
  }

  footer {
    display: block;
  }

  footer a {
    display: inline-block;
    margin-top: 1rem;
  }

  footer .footer-links {
    justify-content: flex-start;
    margin-top: 1rem;
  }

  footer .footer-links a {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media print {
  body {
    background: var(--surface);
    font-size: 10pt;
  }

  .masthead,
  .filter-panel,
  .data-table-details,
  footer {
    display: none;
  }

  main {
    width: 100%;
  }

  .hero {
    padding: 1rem 0;
  }

  h1 {
    font-size: 30pt;
  }

  .dashboard-section,
  .method-section {
    break-inside: avoid;
    padding: 1.2rem 0;
  }
}