/* ───────────────────────────────────────────────────────────────
   Constructs Dashboard — State of Michigan Digital Standards
   Color tokens and typography conform to digitalguidelines.michigan.gov.
   Accessibility target: WCAG 2.1 Level AA (SOM mandate).
   ─────────────────────────────────────────────────────────────── */

:root {
  /* Surfaces — SOM neutrals */
  --canvas:        #ffffff;
  --surface:       #f7f7f7;          /* SOM $gray-10 */
  --smoke:         #eaf1f4;          /* SOM $smoke — chart bg / empty states */

  /* Text colors — SOM heading + body grays */
  --ink:           #161618;          /* SOM $header-copy */
  --ink-secondary: #353535;          /* SOM $body-copy */
  --ink-muted:     #595959;          /* darkened from SOM $gray-50 #707070 for AA at 13.5px */
  --ink-on-dark:   #ffffff;
  --ink-on-dark-2: #d0d0d0;

  /* SOM brand */
  /* Primary now uses Michigan Blue (UM #00274C).
     Legacy `--teal` tokens are aliased so existing rules keep working. */
  --um-blue:       #00274C;          /* Michigan Blue (primary) */
  --um-blue-hover: #003a70;
  --um-blue-active:#001b36;
  --um-blue-light: #6d90bc;
  --teal:          var(--um-blue);
  --teal-light:    var(--um-blue-light);
  --teal-hover:    var(--um-blue-hover);
  --teal-active:   var(--um-blue-active);
  --teal-deepest:  var(--um-blue-active);
  --navy:          #001B36;          /* deeper Michigan Blue */
  --navy-hover:    var(--um-blue-hover);

  /* Signal — links, accents, focus rings. Teal per SOM. */
  --signal-blue:   var(--teal);

  /* Semantic */
  --info:          #0077A7;          /* SOM $info */
  --info-bg:       #E3F7FF;
  --success:       #0D8252;
  --success-bg:    #EAFBEB;
  --warning:       #E5A612;          /* fills/icons only */
  --warning-text:  #AE5400;          /* SOM $warning-link — text use */
  --warning-bg:    #FFEFCA;
  --danger:        #B30518;
  --danger-bg:     #FFE8E3;

  /* Cross-tab polarity — symmetric SOM pair. Both ≥5:1 on white. */
  --emphasis:      #0077A7;          /* info-blue (higher) */
  --negative:      #AE5400;          /* warning-text (lower) */

  /* Callouts — UM Maize accent (#FFCB05) plus DRAFT/warning yellows.
     --maize is now the true UM Maize; --draft-* keeps the old amber for
     status callouts where UM Maize would be too bright for legibility. */
  --um-maize:      #FFCB05;
  --maize:         var(--um-maize);
  --maize-bg:      #FFF6D6;
  --maize-border:  #E5B815;
  --src-accent:    var(--warning-text);

  /* Chrome strokes — SOM $gray-30 is decorative-only; stronger
     token for load-bearing structure (WCAG 1.4.11 ≥3:1). */
  --hairline:        #d0d0d0;        /* SOM $gray-30 — decorative */
  --hairline-soft:   #e7e7e7;
  --hairline-strong: #767676;        /* meaningful structure — passes 4.5:1 */

  /* Tier chips — confidence indicators */
  --tier-prod-text:   #0d6748;
  --tier-prod-bg:     #e6f3eb;
  --tier-prod-border: #4e9c75;
  --tier-exp-text:    #6f4400;
  --tier-exp-bg:      #fff1d6;
  --tier-exp-border:  #b58320;

  /* Type stack — Montserrat per SOM. Newsreader retained as an
     editorial display extension (SOM does not publish a serif but
     does not preclude one). IBM Plex Mono for tabular numbers. */
  --display: "Newsreader", "Montserrat", Georgia, serif;
  --serif:   var(--display);
  --sans:    "Montserrat", -apple-system, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  --mono:    "IBM Plex Mono", "SF Mono", "Segoe UI Mono", "Roboto Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

/* ──────────────────────────────────────────────────────────────
   Accessibility utilities (WCAG 2.2)
   ────────────────────────────────────────────────────────────── */

/* Visually-hidden but available to assistive tech */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Skip-to-main link — first focusable element on every page (2.4.1) */
.skip-link {
  position: absolute;
  left: -9999px; top: 0;
  z-index: 1000;
  background: var(--ink);
  color: var(--ink-on-dark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 18px;
  border-radius: 0 0 6px 0;
  text-decoration: none;
  border-bottom: none;
}
.skip-link:focus { left: 0; top: 0; outline: 2px solid var(--maize); outline-offset: -2px; }

/* Focus indicator — 2px solid, 3:1 contrast, ≥3 px offset (2.4.7 / 2.4.13) */
:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--signal-blue);
  outline-offset: 3px;
  border-radius: 3px;
}
.nav-card:focus-visible {
  outline-offset: 4px;
  border-color: var(--signal-blue);
}
.nameplate nav a:focus-visible {
  outline-offset: 2px;
}
.chart-host [tabindex="0"]:focus-visible {
  outline: 2.5px solid var(--signal-blue);
  outline-offset: 1px;
}

/* Respect prefers-reduced-motion (2.3.3, 2.2.2-related) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

html, body {
  margin: 0; padding: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(39, 124, 120, 0.25); }  /* SOM teal at 25% */

a {
  color: var(--signal-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
a:hover { border-bottom-color: var(--signal-blue); }

/* ── layout shell ─────────────────────────────────── */
.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 40px 120px;
}

/* ── nameplate (the page header) ──────────────────── */
.nameplate {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 40px 0;
}

/* Persistent brand masthead — same treatment on every page.
   Sits above the page H1 as the unifying identity anchor. */
.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 32px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  border-bottom: none;
}
.brand-mark:hover { border-bottom: none; }
.brand-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--signal-blue);
  flex: none;
}
.brand-name {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding-left: 20px;
  border-left: 1px solid var(--hairline);
  padding-top: 2px;
}
@media (max-width: 760px) {
  .masthead { padding-bottom: 16px; margin-bottom: 24px; gap: 8px; }
  .brand-name { font-size: 22px; }
  .brand-sub { border-left: none; padding-left: 0; padding-top: 4px; font-size: 10px; letter-spacing: 0.12em; flex-basis: 100%; }
}

/* Legacy eyebrow — retained for pages that still use it (methodology sub-sections, etc.) */
.nameplate .eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal-blue);
}
.nameplate .eyebrow::before {
  content: "";
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--signal-blue);
  flex: none;
}
.nameplate h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 56px;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.nameplate .dek {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--ink-secondary);
  margin: 14px 0 0;
  max-width: 36ch;
}

/* lens-tab nav — horizontal scroll on narrow screens */
.nameplate nav {
  margin-top: 38px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 0;
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scroll-padding-inline: 24px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.nameplate nav::-webkit-scrollbar { height: 0; }
.nameplate nav a {
  scroll-snap-align: start;
  flex: none;
  white-space: nowrap;
}
.nameplate nav a {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  padding: 14px 0;
  border: none;
  border-bottom: 2px solid transparent;
  box-shadow: none;
  transition: color 0.15s, border-color 0.15s;
}
.nameplate nav a:hover { color: var(--ink); border-bottom-color: var(--hairline); }
.nameplate nav a.active,
.nameplate nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--signal-blue);
  box-shadow: inset 0 -3px 0 var(--signal-blue);
}

/* ── stat strip (semantic <dl> — label is <dt>, value is <dd>) ── */
.stat-strip {
  display: flex;
  flex-wrap: wrap;
  margin: 38px 0 0;
  padding: 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.stat {
  flex: 1;
  min-width: 150px;
  padding: 18px 22px;
  border-right: 1px solid var(--hairline);
  margin: 0;
  /* Reorder visually so the big number appears on top, label below,
     while preserving the semantically-correct <dt> → <dd> source order. */
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
}
.stat:first-child { padding-left: 0; }
.stat:last-child  { padding-right: 0; border-right: none; }
.stat .v {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 28px;
  line-height: 1;
  color: var(--ink);
  margin: 0;
}
.stat .l {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ── headings inside a page ───────────────────────── */
h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 64px 0 12px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
}
h2:first-of-type { border-top: none; padding-top: 0; margin-top: 56px; }
h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
  margin: 28px 0 10px;
}
h4 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 0;
}
p { margin: 0 0 12px; }

/* eyebrow used at the start of each section */
.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal-blue);
  margin: 0 0 6px;
}

/* the editorial "lede" at the top of each page */
.lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: 21px;
  line-height: 1.4;
  color: var(--ink-secondary);
  max-width: 38ch;
  margin: 24px 0 28px;
}

/* ── story card (replaces .card) ──────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  margin: 18px 0 26px;
}
.card .card-header {
  padding: 20px 24px 0;
}
.card .card-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.card .card-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--ink);
  margin: 0;
}
.card .card-finding {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-muted);
  margin: 8px 0 0;
  line-height: 1.55;
}
.card .card-body {
  padding: 14px 24px 0;
}
.card .card-footer {
  margin-top: 8px;
  padding: 14px 24px 18px;
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--sans);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-muted);
}
.card .card-footer .src {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--src-accent);
  margin-right: 6px;
}

/* DRAFT chip used in card-footer and page-level banner */
.draft-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 2px;
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--maize-border);
  vertical-align: 1px;
  margin-right: 8px;
}

/* Citation list — APA references on methodology page.
   Hanging indent + tight spacing so the block reads like a proper
   references list rather than a paragraph pile. */
.citation-list {
  max-width: 78ch;
  margin: 12px 0 20px;
}
.citation-list .citation {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-secondary);
  padding-left: 24px;
  text-indent: -24px;
  margin: 0 0 10px;
}
.citation-list .citation em {
  font-style: italic;
}
.citation-list .citation a {
  color: var(--signal-blue);
  border-bottom: 1px solid var(--hairline);
  word-break: break-all;
}
.citation-list .citation a:hover {
  border-bottom-color: var(--signal-blue);
}

/* Scope chip — inline "Substantiated only" on each chart card's title row */
.scope-chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--surface);
  color: var(--signal-blue);
  border: 1px solid var(--signal-blue);
  vertical-align: 3px;
  white-space: nowrap;
}

/* Scope pill — always-visible reminder of which slice the page shows */
.scope-pill {
  max-width: 1180px;
  margin: 8px auto 0;
  padding: 10px 40px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--surface);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-secondary);
}
.scope-pill .scope-label {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-blue);
  border-right: 1px solid var(--hairline);
  padding-right: 12px;
  flex: none;
}
.scope-pill .scope-n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  font-weight: 600;
}
@media (max-width: 760px) {
  .scope-pill { padding: 10px 24px; flex-wrap: wrap; }
}

/* Page-level draft banner — sits between nav and main content */
.draft-banner {
  max-width: 1180px;
  margin: 20px auto 0;
  padding: 12px 40px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--warning-bg);
  border-top: 2px solid var(--warning);
  border-bottom: 2px solid var(--warning);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-secondary);
}
.draft-banner .draft-tag { margin-right: 0; }
.draft-banner .draft-author {
  font-weight: 600;
  color: var(--ink);
}
@media (max-width: 760px) {
  .draft-banner { padding: 12px 24px; }
}

/* ── tier chips ───────────────────────────────────── */
.tier-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 20px;
  vertical-align: middle;
}
.tier-chip::before { content: "●"; font-size: 7px; }
.tier-chip-prod {
  color: var(--tier-prod-text);
  background: var(--tier-prod-bg);
  border: 1px solid var(--tier-prod-border);
}
.tier-chip-exp {
  color: var(--tier-exp-text);
  background: var(--tier-exp-bg);
  border: 1px solid var(--tier-exp-border);
}

/* legacy alias (so old `.tier-badge.tier-prod` usage still renders) */
.tier-badge { @extend .tier-chip; }
.tier-badge.tier-prod {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 9px;
  border-radius: 20px; vertical-align: middle;
  color: var(--tier-prod-text); background: var(--tier-prod-bg);
  border: 1px solid var(--tier-prod-border);
}
.tier-badge.tier-exp {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 9px;
  border-radius: 20px; vertical-align: middle;
  color: var(--tier-exp-text); background: var(--tier-exp-bg);
  border: 1px solid var(--tier-exp-border);
}
.tier-badge.tier-prod::before, .tier-badge.tier-exp::before { content:"●"; font-size:7px; }

/* ── framing chip — "mention rate, not prevalence" ── */
.framing-chip {
  margin: 16px 0;
  padding: 12px 16px;
  background: var(--maize-bg);
  border-left: 3px solid var(--maize);
  border-radius: 0 6px 6px 0;
}
.framing-chip .label {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--src-accent);
}
.framing-chip p {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

/* ── data tables (mono-numeric) ───────────────────── */
table.data {
  border-collapse: collapse;
  width: 100%;
  font-family: var(--sans);
  font-size: 14px;
  margin: 14px 0;
}
table.data th, table.data td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--hairline-soft);
}
table.data th {
  background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-bottom: 1.5px solid var(--hairline-strong);
}
table.data td.num {
  text-align: right;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
table.data tbody tr:last-child td,
table.data tbody tr:last-child th { border-bottom: none; }
table.data th[scope="row"] { font-weight: 600; text-align: left; }

/* Scrollable region for tables that may overflow at 320px (WCAG 1.4.10) */
.table-scroll {
  overflow-x: auto;
  margin: 14px 0 0;
}
.table-scroll:focus-visible {
  outline: 2px solid var(--signal-blue);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── tier section (group of cards by validation tier) ── */
.tier-section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 44px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
}
.tier-section-header .tier-section-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  color: var(--ink);
}
.tier-section-header .tier-section-desc {
  flex: 1 0 100%;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 2px;
  line-height: 1.55;
}

/* ── nav-grid (landing-page links) ────────────────── */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.nav-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 20px 22px;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline);
  transition: border-color 0.15s;
}
.nav-card:hover {
  border-color: var(--ink);
  border-bottom-color: var(--ink);
}
.nav-card .nav-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 4px;
}
.nav-card .nav-desc {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ── partial-year flag ────────────────────────────── */
.partial-year-flag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 8px;
  color: var(--tier-exp-text);
  background: var(--tier-exp-bg);
  border: 1px solid var(--tier-exp-border);
}

/* ── footer ───────────────────────────────────────── */
.dashboard-footer {
  margin-top: 96px;
  padding-top: 20px;
  border-top: 4px solid var(--um-blue);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
.dashboard-footer .footer-attribution {
  min-width: 300px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.dashboard-footer .footer-logo-link {
  display: block;
  border-bottom: none;
}
.dashboard-footer .footer-logo-link:hover { border-bottom: none; }
.dashboard-footer .footer-logo-link img {
  display: block;
  height: 52px;
  width: auto;
  max-width: 100%;
}
.dashboard-footer .footer-author {
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.3;
}
.dashboard-footer .footer-author strong {
  font-weight: 700;
  color: var(--ink);
}
@media (max-width: 760px) {
  .dashboard-footer .footer-logo-link img { height: 44px; }
}
.dashboard-footer .footer-note {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--ink-muted);
  text-align: right;
  max-width: 44ch;
  line-height: 1.5;
}
.dashboard-footer .footer-note div + div {
  margin-top: 4px;
}
@media (max-width: 760px) {
  .dashboard-footer { flex-direction: column; }
  .dashboard-footer .footer-note { text-align: left; }
}

/* ── chart hosts (D3 svg wrappers) ─────────────────── */
.chart-host {
  position: relative;
  margin: 0;
}
.chart-host svg {
  display: block;
  width: 100%;
  height: auto;
  font-family: var(--sans);
}
.chart-host .axis path,
.chart-host .axis line {
  stroke: var(--hairline);
  shape-rendering: crispEdges;
}
.chart-host .axis text {
  font-family: var(--mono);
  font-size: 10.5px;
  fill: var(--ink-muted);
  letter-spacing: 0.02em;
}
.chart-host .grid line {
  stroke: var(--hairline-soft);
  stroke-dasharray: 2,2;
}
.chart-host .axis-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--ink-muted);
}
.chart-host .chart-legend {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--ink-secondary);
}
.chart-host .chart-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 14px;
  fill: var(--ink);
}
.chart-host .ref-line {
  stroke: var(--maize);
  stroke-width: 1.5;
  stroke-dasharray: 4,3;
  fill: none;
}
.chart-host .ref-label {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--src-accent);
}

/* clear-selection link inside chart eyebrow */
.chart-eyebrow .trend-reset {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--signal-blue);
  border-bottom: 1px solid transparent;
  padding-left: 6px;
  margin-left: 4px;
}
.chart-eyebrow .trend-reset:hover { border-bottom-color: var(--signal-blue); }

/* inline affordance hint inside an eyebrow */
.chart-eyebrow .hint {
  font-family: var(--mono);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--signal-blue);
  margin-left: 4px;
}

/* eyebrow above a chart subsection */
.chart-eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 8px;
}

/* Methodology — indicator playbooks (collapsible source docs) */
.playbook { margin: 18px 0 32px; }
.playbook-group {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin: 28px 0 8px;
}
.playbook-item {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}
.playbook-item summary {
  cursor: pointer;
  padding: 14px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  list-style: none;
  user-select: none;
  border-bottom: 1px solid transparent;
}
.playbook-item summary::-webkit-details-marker { display: none; }
.playbook-item summary::before {
  content: "+";
  font-family: var(--mono);
  font-weight: 600;
  color: var(--signal-blue);
  margin-right: 6px;
  width: 14px;
  display: inline-block;
}
.playbook-item[open] > summary::before { content: "−"; }
.playbook-item[open] > summary { border-bottom-color: var(--hairline); }
.playbook-item summary:hover { background: rgba(39, 124, 120, 0.04); }
.playbook-label {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  flex: 1;
}
.playbook-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.playbook-doc { padding: 12px 18px 18px; border-top: 1px solid var(--hairline-soft); }
.playbook-doc:first-of-type { border-top: 0; }
.playbook-doc-title {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-blue);
  margin: 6px 0 10px;
}
.playbook-pre {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-secondary);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 14px 16px;
  max-height: 520px;
  overflow: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
}

/* At-a-glance insight tiles on the Overview tab.
   Explicit color declarations everywhere so <a>'s inherited link
   color never bleeds into the numbers or body copy. */
.insight-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0 0;
}
@media (max-width: 920px) { .insight-tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .insight-tiles { grid-template-columns: 1fr; gap: 12px; } }

a.insight-tile,
a.insight-tile:link,
a.insight-tile:visited {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 2px solid var(--hairline-strong);
  border-top: 4px solid var(--signal-blue);
  border-radius: 10px;
  padding: 18px 20px 20px;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
a.insight-tile:hover {
  border-color: var(--signal-blue);
  transform: translateY(-1px);
  box-shadow: 0 2px 0 var(--hairline);
}
.insight-tile .insight-tile-eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-blue);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.insight-tile .insight-tile-stat {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 42px;
  line-height: 1;
  color: var(--ink) !important;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}
.insight-tile .insight-tile-compare {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--ink-muted) !important;
  margin: 0 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}
.insight-tile .insight-tile-compare span {
  color: var(--ink-secondary) !important;
  font-weight: 600;
}
.insight-tile .insight-tile-label {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 16px;
  color: var(--ink) !important;
  margin: 0 0 10px;
  line-height: 1.25;
}
.insight-tile .insight-tile-body {
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-secondary) !important;
  margin: 0;
  flex: 1;
}
.insight-tile .insight-tile-cta {
  align-self: flex-start;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-on-dark);
  background: var(--signal-blue);
  padding: 6px 12px;
  border-radius: 4px;
}
.insight-tile:hover .insight-tile-cta { background: var(--teal-hover); }

/* Mobile — tighter type but even MORE explicit visual boundaries so tiles
   don't collapse into flat text. */
@media (max-width: 600px) {
  a.insight-tile { padding: 16px 18px 18px; border-width: 2px; border-top-width: 4px; }
  .insight-tile .insight-tile-stat { font-size: 36px; }
  .insight-tile .insight-tile-body { font-size: 13px; }
}

/* Insight-card grid (cross-construct stories on the Co-occurrence tab) */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 18px 0 0;
}
@media (max-width: 920px) {
  .insight-grid { grid-template-columns: 1fr; }
}
.insight-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--emphasis);
  border-radius: 0 8px 8px 0;
  padding: 16px 18px;
}
.insight-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--emphasis);
  margin-bottom: 6px;
}
.insight-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

/* Overlay-chart toggle row */
.overlay-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 4px 0 18px;
  border: 0;
  margin: 0;
}
.overlay-controls .overlay-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink);
  padding: 6px 10px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: var(--canvas);
  cursor: pointer;
  user-select: none;
}
.overlay-controls .overlay-toggle:hover { border-color: var(--hairline-strong); }
.overlay-controls input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--signal-blue);
  margin: 0;
  cursor: pointer;
}
.overlay-controls .ov-swatch {
  width: 14px; height: 4px;
  border-radius: 2px;
  display: inline-block;
}
.overlay-controls .overlay-toggle:has(input:not(:checked)) {
  opacity: 0.55;
  background: transparent;
}

/* dual-chart grid (Where + When side by side inside a card) */
.dual-chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 920px) {
  .dual-chart-grid { grid-template-columns: 1fr; gap: 36px; }
}

/* map card variant used on the geographic page */
.map-card .card-body { padding-bottom: 18px; }

/* ── methodology — step flow ──────────────────────── */
.method-flow {
  display: grid;
  gap: 12px;
  margin: 18px 0 28px;
}
.method-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
}
.method-step-num {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 36px;
  line-height: 1;
  color: var(--maize);
}
.method-step-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 4px;
}
.method-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

/* ── methodology — privacy 2x2 ─────────────────────── */
.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 18px 0 28px;
}
@media (max-width: 760px) { .privacy-grid { grid-template-columns: 1fr; } }
.privacy-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--signal-blue);
  border-radius: 0 8px 8px 0;
  padding: 16px 18px;
}
.privacy-card-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-blue);
  margin-bottom: 6px;
}
.privacy-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

/* ── methodology — chart legend cards ─────────────── */
.legend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 18px 0 28px;
}
@media (max-width: 760px) { .legend-grid { grid-template-columns: 1fr; } }
.legend-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 16px 18px;
}
.legend-card-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--src-accent);
  margin-bottom: 6px;
}
.legend-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-secondary);
}

/* 4-up nav grid on the index */
@media (min-width: 900px) {
  .nav-grid { grid-template-columns: repeat(2, 1fr); }
}

/* responsive softening */
@media (max-width: 760px) {
  .nameplate { padding: 48px 24px 0; }
  .nameplate h1 { font-size: 44px; }
  .nameplate .dek { font-size: 18px; }
  .page { padding: 0 24px 80px; }
  .stat-strip .stat:first-child { padding-left: 22px; }
  .stat-strip .stat:last-child  { padding-right: 22px; }
  .nav-grid { grid-template-columns: 1fr; }
}