/* =============================================================
   Fab City Index 3.0 — Matryoshka Aggregation Visualisation
   v0 — 2026-06-05
   Inherits aesthetic from fci-3-prototype/css/main.css
   Adds: matryoshka concentric rectangles, governance ceiling rule,
         boundary register (italic small-caps + whitespace shift),
         embedding-prefix telescope, cadence timeline.
   ============================================================= */

/* ---------- Tokens (synchronised with prototype) ---------- */
:root {
  --paper: #F5F2EB;
  --paper-2: #EEEAE0;
  --paper-3: #E9E3D2;
  --rule: #D8D2C2;
  --rule-soft: #E6E1D1;
  --ink: #0A0A0A;
  --ink-2: #2A2824;
  --ink-3: #5A564E;
  --ink-4: #7A766C;
  --ink-5: #9D998E;
  --iron: #8B2E1F;
  --iron-soft: #B8624F;
  --teal: #1F4D4A;
  --teal-soft: #4A7572;
  --amber: #B58730;
  --boundary: #4A4035;       /* boundary scales — desaturated, ground */

  --serif: "Source Serif 4", "Source Serif Pro", "GT Sectra", "Tiempos Text", Georgia, serif;
  --sans: "IBM Plex Sans", "Söhne", "Inter Display", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", "Berkeley Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gutter: clamp(1.25rem, 2vw, 2.25rem);
  --col-max: 78rem;
  --read-max: 42rem;

  --t-1: 0.72rem;
  --t-2: 0.82rem;
  --t-3: 0.95rem;
  --t-4: 1.05rem;
  --t-5: 1.28rem;
  --t-6: 1.75rem;
  --t-7: 2.6rem;
  --t-8: 4.5rem;
  --t-9: 8.5rem;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: "kern", "liga", "onum";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration: none; border-bottom: 1px solid currentColor; }
a:hover { color: var(--iron); }
a:focus-visible { outline: 2px solid var(--iron); outline-offset: 3px; border-radius: 1px; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
button:focus-visible, [role="button"]:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--iron); outline-offset: 3px; border-radius: 1px;
}
img, svg { max-width: 100%; display: block; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

/* ---------- Frame ---------- */
.shell {
  max-width: var(--col-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.shell--narrow { max-width: 58rem; }

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  padding: 0.9rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
  background-color: rgba(245, 242, 235, 0.92);
}
.masthead__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
}
.masthead__brand {
  font-family: var(--sans);
  font-size: var(--t-2);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
}
.masthead__brand-mark {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--iron);
}
.masthead__brand-name { font-weight: 600; color: var(--ink); }
.masthead__brand-version { color: var(--ink-4); }
.masthead__brand-sup {
  font-family: var(--mono);
  font-weight: 400;
  color: var(--ink-3);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  border-left: 1px solid var(--rule);
  padding-left: 0.6rem;
  margin-left: 0.1rem;
}
.masthead__nav { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }
.masthead__nav a {
  font-family: var(--sans);
  font-size: var(--t-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: 0;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
}
.masthead__nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.masthead__nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--iron); }

.masthead__meta {
  font-family: var(--mono);
  font-size: var(--t-1);
  color: var(--ink-4);
  letter-spacing: 0.04em;
  text-align: right;
}

/* ---------- Footer ---------- */
.colophon {
  margin-top: 6rem;
  border-top: 1px solid var(--rule);
  padding: 2.5rem 0 3rem;
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-3);
}
.colophon__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}
.colophon h4 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--t-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.6rem;
}
.colophon p, .colophon li { margin: 0 0 0.35rem; line-height: 1.5; }
.colophon ul { list-style: none; padding: 0; margin: 0; }
.colophon a { border: 0; color: var(--ink-3); }
.colophon a:hover { color: var(--iron); }
.colophon__lineage {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: var(--t-1);
  color: var(--ink-4);
  font-family: var(--mono);
  letter-spacing: 0.02em;
  line-height: 1.7;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.12; color: var(--ink); margin: 0; }
h1 { font-size: var(--t-7); letter-spacing: -0.01em; }
h2 { font-size: var(--t-6); letter-spacing: -0.005em; }
h3 { font-size: var(--t-5); }
h4 { font-size: var(--t-4); font-family: var(--sans); font-weight: 600; letter-spacing: 0.02em; }
p { margin: 0 0 1rem; max-width: 38em; }
.lede { font-size: var(--t-5); line-height: 1.45; color: var(--ink-2); max-width: 34em; }
.kicker {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--t-1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--iron);
  margin-bottom: 0.85rem;
  display: inline-block;
}
.kicker--ink { color: var(--ink-3); }
.kicker--teal { color: var(--teal); }
.kicker--boundary { color: var(--boundary); }

.mono { font-family: var(--mono); }
.sans { font-family: var(--sans); }

.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--t-1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- Pills (status / mock discipline) ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  border: 1px solid currentColor;
  border-radius: 1px;
  color: var(--ink-3);
  background: transparent;
  vertical-align: middle;
  line-height: 1;
}
.pill::before { content: "·"; font-family: var(--mono); margin-right: 0.1rem; }
.pill--mock { color: var(--amber); border-color: var(--amber); }
.pill--mock::before { content: "*"; }
.pill--live { color: var(--teal); border-color: var(--teal); }
.pill--live::before { content: "●"; font-size: 0.55rem; }
.pill--partial { color: var(--ink-3); border-color: var(--ink-3); }
.pill--partial::before { content: "◐"; }
.pill--boundary { color: var(--boundary); border-color: var(--boundary); }
.pill--boundary::before { content: "▢"; }
.pill--ceiling { color: var(--iron); border-color: var(--iron); }
.pill--ceiling::before { content: "▔"; font-family: var(--mono); }

/* ---------- Page header ---------- */
.page-header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--rule);
}
.page-header__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  max-width: 22em;
  line-height: 1.08;
}
.page-header__title em { font-style: italic; color: var(--ink-2); }
.page-header__deck {
  font-family: var(--sans);
  font-size: var(--t-4);
  color: var(--ink-3);
  max-width: 42em;
  line-height: 1.55;
}
.page-header__meta {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.4rem;
  font-family: var(--mono);
  font-size: var(--t-1);
  color: var(--ink-4);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}

/* =============================================================
   ATLAS — the matryoshka home
   ============================================================= */
.atlas {
  padding: 3rem 0 4rem;
}
.atlas__city-selector {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 2rem;
  font-family: var(--sans);
  font-size: var(--t-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.atlas__city-selector label { color: var(--ink-3); }
.atlas__city-selector select {
  font-family: var(--serif);
  font-size: var(--t-4);
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  padding: 0.25rem 1.8rem 0.25rem 0.3rem;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%230A0A0A' d='M2 4l3 3 3-3z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.3rem center;
}

.atlas__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}
.atlas__matryoshka {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 2.5rem 2.5rem 1.5rem;
  position: relative;
}
.atlas__matryoshka-svg { width: 100%; height: auto; display: block; overflow: visible; }
.atlas__matryoshka-svg .ring {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1;
}
.atlas__matryoshka-svg .ring--fill-community { fill: rgba(31, 77, 74, 0.05); }
.atlas__matryoshka-svg .ring--fill-city      { fill: rgba(31, 77, 74, 0.025); }
.atlas__matryoshka-svg .ring--fill-region    { fill: rgba(139, 46, 31, 0.03); }
.atlas__matryoshka-svg .ring-label {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  fill: var(--ink);
  font-weight: 600;
}
.atlas__matryoshka-svg .ring-fci {
  font-family: var(--serif);
  font-size: 38px;
  fill: var(--iron);
  font-feature-settings: "lnum", "tnum";
}
.atlas__matryoshka-svg .ring-fci--community { fill: var(--teal); }
.atlas__matryoshka-svg .ring-fci--city      { fill: var(--teal); }
.atlas__matryoshka-svg .ring-fci--region    { fill: var(--iron); }
.atlas__matryoshka-svg .ring-fci-caption {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  fill: var(--ink-3);
}
.atlas__matryoshka-svg .ring-actor {
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.04em;
  fill: var(--ink-4);
}
.atlas__matryoshka-svg .ring-arrow { stroke: var(--ink-3); stroke-width: 1; fill: none; stroke-dasharray: 2 3; }
.atlas__matryoshka-svg .ceiling-line {
  stroke: var(--iron); stroke-width: 1.6; fill: none;
}
.atlas__matryoshka-svg .ceiling-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  fill: var(--iron);
}

.atlas__matryoshka-caption {
  font-family: var(--mono);
  font-size: var(--t-1);
  color: var(--ink-4);
  letter-spacing: 0.04em;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Formula card to the right of the matryoshka */
.atlas__rhs { display: flex; flex-direction: column; gap: 2rem; }
.atlas__fci-card {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 1.6rem 1.5rem;
}
.atlas__fci-card .eyebrow { margin-bottom: 0.5rem; display: block; }
.atlas__fci-card__num {
  font-family: var(--serif);
  font-size: clamp(3.6rem, 7vw, 5rem);
  line-height: 0.9;
  color: var(--iron);
  font-feature-settings: "lnum", "tnum";
  margin: 0.5rem 0 0.5rem;
}
.atlas__fci-card__formula {
  font-family: var(--mono);
  font-size: var(--t-3);
  color: var(--ink-2);
  padding: 0.65rem 0.8rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  margin: 1rem 0 0.5rem;
  letter-spacing: 0.02em;
}
.atlas__fci-card__terms {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.8rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.atlas__fci-card__terms .num {
  display: block;
  font-family: var(--serif);
  font-size: var(--t-5);
  color: var(--ink);
  letter-spacing: 0;
  text-transform: none;
  font-feature-settings: "lnum";
  margin-top: 0.15rem;
}
.atlas__fci-card__terms .num--pito { color: var(--iron); }
.atlas__fci-card__terms .num--dido { color: var(--teal); }
.atlas__fci-card__terms .num--rho  { color: var(--ink-2); font-style: italic; }

/* Boundary register card — DIFFERENT VISUAL REGISTER */
.atlas__boundary-card {
  background: transparent;
  border: 0;
  border-top: 2px solid var(--ink);
  padding: 1.6rem 0 0 0;
}
.atlas__boundary-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.8rem;
}
.atlas__boundary-card__title {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--t-5);
  font-feature-settings: "smcp";
  letter-spacing: 0.04em;
  color: var(--boundary);
}
.atlas__boundary-card__sub {
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--boundary);
}
.atlas__boundary-card__body {
  font-family: var(--serif);
  font-size: var(--t-3);
  line-height: 1.6;
  color: var(--ink-2);
  font-style: italic;
  max-width: 32em;
}
.atlas__boundary-card__list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}
.atlas__boundary-card__list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--rule);
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-2);
}
.atlas__boundary-card__list li:last-child { border-bottom: 0; }
.atlas__boundary-card__list .num {
  font-family: var(--mono);
  font-size: var(--t-2);
  color: var(--ink);
  letter-spacing: 0.02em;
  font-feature-settings: "tnum";
}
.atlas__boundary-card__list .num--transgressed { color: var(--iron); }

.atlas__rule-explainer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 0.5fr 1fr;
  gap: 2rem;
}
.atlas__rule-explainer .kicker { margin-bottom: 0.8rem; }
.atlas__rule-explainer p {
  font-family: var(--sans);
  font-size: var(--t-3);
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 38em;
}
.atlas__rule-explainer p strong { color: var(--ink); font-weight: 600; }
.atlas__rule-explainer p em { font-style: italic; }

/* =============================================================
   DRILLDOWN — embedding telescope
   ============================================================= */
.drilldown {
  padding: 3rem 0 4rem;
}
.drill-selector {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  font-family: var(--sans);
  font-size: var(--t-2);
}
.drill-selector__chip {
  border: 1px solid var(--ink);
  padding: 0.45rem 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  background: var(--paper);
  cursor: pointer;
  font-size: 0.74rem;
  color: var(--ink);
}
.drill-selector__chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.drill-selector__chip:hover { background: var(--paper-2); }
.drill-selector__chip[aria-pressed="true"]:hover { background: var(--ink-2); }

.drill-frame {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.telescope {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 1.8rem 1.8rem 1.5rem;
}
.telescope__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.6rem;
}
.telescope__title {
  font-family: var(--serif);
  font-size: var(--t-5);
}
.telescope__sub {
  font-family: var(--mono);
  font-size: var(--t-1);
  color: var(--ink-4);
  letter-spacing: 0.04em;
}
.telescope__svg { width: 100%; height: auto; display: block; overflow: visible; }
.telescope__svg .tlayer {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 1;
}
.telescope__svg .tlayer-fill-c { fill: rgba(31, 77, 74, 0.10); }
.telescope__svg .tlayer-fill-ci { fill: rgba(31, 77, 74, 0.05); }
.telescope__svg .tlayer-fill-r { fill: rgba(139, 46, 31, 0.04); }
.telescope__svg .tlayer-label {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  fill: var(--ink);
  font-weight: 600;
}
.telescope__svg .tlayer-dim {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  fill: var(--ink-3);
}
.telescope__svg .tlayer-name {
  font-family: var(--serif);
  font-size: 11px;
  fill: var(--ink);
}
.telescope__svg .tprefix-arrow {
  stroke: var(--ink); stroke-width: 1; fill: none; marker-end: url(#tarrow);
}
.telescope__svg .tprefix-label {
  font-family: var(--mono);
  font-size: 9px;
  fill: var(--ink-3);
  letter-spacing: 0.04em;
}

.telescope__caption {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-3);
  line-height: 1.5;
}

.drill-panel { font-family: var(--sans); }
.drill-panel__head {
  font-family: var(--mono);
  font-size: var(--t-1);
  letter-spacing: 0.08em;
  color: var(--ink-4);
  margin-bottom: 0.4rem;
}
.drill-panel__title {
  font-family: var(--serif);
  font-size: var(--t-6);
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--ink);
}
.drill-panel__body p {
  font-family: var(--sans);
  font-size: var(--t-3);
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 32em;
}
.drill-panel__indicators {
  margin-top: 1.5rem;
  border-top: 1px solid var(--ink);
}
.drill-panel__indicator {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: baseline;
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
}
.drill-panel__indicator strong {
  font-family: var(--serif);
  font-size: var(--t-3);
  font-weight: 400;
  color: var(--ink);
}
.drill-panel__indicator .dim {
  font-family: var(--mono);
  font-size: var(--t-2);
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.drill-panel__indicator-note {
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-3);
  line-height: 1.5;
  margin-top: 0.3rem;
  grid-column: 1 / -1;
}
.drill-panel__indicator--mock { background: rgba(181, 135, 48, 0.04); padding-left: 0.5rem; padding-right: 0.5rem; }
.drill-panel__indicator--gen strong { color: var(--iron); }

.drill-section-head {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 1.5rem 0 0.5rem;
}

/* =============================================================
   AGGREGATION RULES
   ============================================================= */
.agg-section { padding: 3rem 0 4rem; }
.agg-table-wrap {
  margin: 2rem 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.agg-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: var(--t-2);
}
.agg-table th, .agg-table td {
  text-align: left;
  vertical-align: top;
  padding: 0.85rem 0.9rem;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.agg-table th {
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper-2);
}
.agg-table tr th:first-child,
.agg-table tr td:first-child {
  font-weight: 600;
  background: var(--paper-2);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.agg-table .method-name {
  font-family: var(--serif);
  font-size: var(--t-3);
  color: var(--ink);
  margin-bottom: 0.25rem;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  display: block;
}
.agg-table .method-note {
  font-family: var(--sans);
  font-size: 0.74rem;
  color: var(--ink-3);
  line-height: 1.45;
}
.agg-table .conf {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.12rem 0.4rem;
  border: 1px solid currentColor;
  margin-top: 0.4rem;
}
.agg-table .conf--high     { color: var(--teal); }
.agg-table .conf--medium   { color: var(--ink-3); }
.agg-table .conf--low      { color: var(--amber); }
.agg-table .conf--very-low { color: var(--iron); }

.agg-table-ceiling {
  padding: 0.8rem 0.9rem;
  background: var(--paper);
  border-top: 2px solid var(--iron);
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  margin-top: -1px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--iron);
  text-align: center;
}

.agg-boundary-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid var(--ink);
}
.agg-boundary-section h2 {
  font-style: italic;
  color: var(--boundary);
}
.agg-boundary-section p {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--t-4);
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 38em;
}

.gap-callout {
  background: var(--paper-2);
  border-left: 3px solid var(--iron);
  padding: 1.4rem 1.6rem;
  margin: 2rem 0;
  font-family: var(--serif);
  font-size: var(--t-3);
  line-height: 1.6;
}
.gap-callout__kicker {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--iron);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

/* =============================================================
   BOUNDARY page — DIFFERENT REGISTER (whitespace + italic)
   ============================================================= */
.boundary-page {
  padding: 4rem 0 5rem;
  background: var(--paper);
}
.boundary-page__lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--t-6);
  line-height: 1.35;
  color: var(--ink-2);
  max-width: 28em;
  margin: 2rem 0 4rem;
}
.boundary-page__lede em { color: var(--boundary); font-style: italic; }

.boundary-rule {
  height: 1px;
  background: var(--ink);
  margin: 4rem 0;
}

.boundary-section {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  margin-bottom: 5rem;
}
.boundary-section__head h2 {
  font-style: italic;
  font-size: var(--t-6);
  color: var(--boundary);
  margin-bottom: 0.5rem;
}
.boundary-section__head .role {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--boundary);
  margin-bottom: 1rem;
  display: block;
}
.boundary-section__head p {
  font-family: var(--serif);
  font-size: var(--t-4);
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 28em;
}
.boundary-section__head p em { font-style: italic; }

.boundary-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
}
.boundary-table tr { border-bottom: 1px dashed var(--rule); }
.boundary-table td {
  padding: 1.1rem 0.5rem 1.1rem 0;
  vertical-align: baseline;
  font-size: var(--t-3);
}
.boundary-table td.label {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink);
  width: 40%;
}
.boundary-table td.status {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  width: 25%;
}
.boundary-table td.status--transgressed { color: var(--iron); font-weight: 600; }
.boundary-table td.status--risk { color: var(--amber); font-weight: 600; }
.boundary-table td.status--safe { color: var(--teal); }
.boundary-table td.level {
  font-family: var(--mono);
  font-size: var(--t-3);
  color: var(--ink-2);
  letter-spacing: 0.02em;
  text-align: right;
  width: 15%;
  font-feature-settings: "tnum";
}
.boundary-table td.bnote {
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-3);
  line-height: 1.5;
}

.boundary-summary {
  display: flex;
  gap: 3rem;
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.boundary-summary div { flex: 1; }
.boundary-summary .label {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.5rem;
}
.boundary-summary .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--t-7);
  line-height: 1;
  color: var(--iron);
  font-feature-settings: "lnum";
}
.boundary-summary .num--ok { color: var(--teal); }
.boundary-summary .sub {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-4);
  margin-top: 0.5rem;
  letter-spacing: 0.04em;
}

/* =============================================================
   WALK page — narrative steps
   ============================================================= */
.walk { padding: 3rem 0 4rem; }
.walk-step {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--rule);
}
.walk-step--ceiling {
  border-bottom: 2px solid var(--iron);
}
.walk-step__num {
  font-family: var(--serif);
  font-size: var(--t-7);
  line-height: 1;
  color: var(--ink-3);
  font-feature-settings: "lnum";
}
.walk-step__num strong { color: var(--ink); font-weight: 400; }
.walk-step__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.walk-step__scale {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.walk-step__role {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}
.walk-step__role--ceiling { color: var(--iron); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }
.walk-step__title {
  font-family: var(--serif);
  font-size: var(--t-6);
  line-height: 1.18;
  margin-bottom: 0.6rem;
  color: var(--ink);
}
.walk-step__actor {
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-3);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}
.walk-step__actor::before { content: "— "; color: var(--ink-4); }
.walk-step__samples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2rem;
  margin-bottom: 1.4rem;
  border-top: 1px solid var(--ink);
}
.walk-step__samples > div {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule);
}
.walk-step__samples .label {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.3rem;
}
.walk-step__samples .value {
  font-family: var(--serif);
  font-size: var(--t-5);
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.3rem;
  font-feature-settings: "lnum";
}
.walk-step__samples .source {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-4);
  letter-spacing: 0.02em;
}
.walk-step__handoff {
  background: var(--paper-2);
  border-left: 2px solid var(--ink);
  padding: 1.1rem 1.4rem;
  font-family: var(--serif);
  font-size: var(--t-3);
  line-height: 1.6;
  color: var(--ink-2);
}
.walk-step--ceiling .walk-step__handoff {
  border-left-color: var(--iron);
  background: rgba(139, 46, 31, 0.04);
}

.walk-ceiling-mark {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem 0;
}
.walk-ceiling-mark::before, .walk-ceiling-mark::after {
  content: ""; flex: 1; height: 2px; background: var(--iron);
}
.walk-ceiling-mark span {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--iron);
  white-space: nowrap;
}

.walk-step--boundary {
  border-top-style: dashed;
  border-top-color: var(--rule);
}
.walk-step--boundary .walk-step__num,
.walk-step--boundary .walk-step__title { color: var(--boundary); font-style: italic; }
.walk-step--boundary .walk-step__role { color: var(--boundary); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; }
.walk-step--boundary .walk-step__samples .value { font-style: italic; color: var(--ink-2); }
.walk-step--boundary .walk-step__handoff { font-style: italic; }

/* =============================================================
   TIMING page — cadence timeline
   ============================================================= */
.timing { padding: 3rem 0 4rem; }
.timing__legend {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-size: var(--t-2);
  color: var(--ink-3);
  margin-bottom: 2rem;
}
.timing__legend span { display: inline-flex; align-items: center; gap: 0.4rem; }
.timing__legend i {
  width: 0.85rem; height: 0.85rem; display: inline-block;
  font-style: normal;
}
.timing__legend i.community  { background: var(--teal); }
.timing__legend i.city       { background: var(--teal-soft); }
.timing__legend i.region     { background: var(--iron); }

.timeline-svg { width: 100%; height: auto; display: block; overflow: visible; background: var(--paper); border: 1px solid var(--ink); }
.timeline-svg .row-label {
  font-family: var(--sans);
  font-size: 10px;
  fill: var(--ink);
  font-weight: 500;
}
.timeline-svg .row-source {
  font-family: var(--mono);
  font-size: 9px;
  fill: var(--ink-4);
  letter-spacing: 0.02em;
}
.timeline-svg .row-bar { stroke: none; }
.timeline-svg .row-bar--community { fill: var(--teal); }
.timeline-svg .row-bar--city      { fill: var(--teal-soft); }
.timeline-svg .row-bar--region    { fill: var(--iron); }
.timeline-svg .row-tick { stroke: var(--ink-4); stroke-width: 0.8; }
.timeline-svg .ceiling-line { stroke: var(--iron); stroke-width: 1.4; stroke-dasharray: 4 3; }
.timeline-svg .timing-axis {
  font-family: var(--mono);
  font-size: 9px;
  fill: var(--ink-4);
  letter-spacing: 0.04em;
}
.timeline-svg .timing-axis-rule { stroke: var(--ink); stroke-width: 1; }

.timing__limit-bar {
  background: var(--paper-2);
  border-left: 3px solid var(--iron);
  padding: 1.4rem 1.6rem;
  margin: 2.5rem 0;
  font-family: var(--serif);
  font-size: var(--t-3);
  line-height: 1.6;
}
.timing__limit-bar strong { color: var(--ink); font-weight: 600; }
.timing__limit-bar .num {
  font-family: var(--serif);
  font-size: var(--t-7);
  line-height: 1;
  color: var(--iron);
  display: inline-block;
  margin: 0.25rem 0;
  font-feature-settings: "lnum";
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .atlas__grid,
  .drill-frame,
  .boundary-section,
  .atlas__rule-explainer { grid-template-columns: 1fr; }
  .atlas__rule-explainer { gap: 1rem; }
  .walk-step { grid-template-columns: 4rem 1fr; gap: 1.2rem; }
  .walk-step__num { font-size: var(--t-6); }
  .walk-step__samples { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .masthead__row { grid-template-columns: 1fr; gap: 0.6rem; }
  .masthead__nav { justify-content: flex-start; flex-wrap: wrap; }
  .masthead__meta { text-align: left; }
  .colophon__grid { grid-template-columns: 1fr 1fr; }
  .walk-step { grid-template-columns: 1fr; }
  .walk-step__num { font-size: var(--t-7); }
  .agg-table th, .agg-table td { padding: 0.6rem 0.5rem; font-size: 0.78rem; }
  /* fix 2026-06-06: nowrap + 0.3em tracking made the ceiling label ~500px wide — overflowed 360px viewports */
  .walk-ceiling-mark span { white-space: normal; text-align: center; letter-spacing: 0.18em; }
  /* fix 2026-06-06: three-up flex summary clipped its numerals below ~520px — stack instead */
  .boundary-summary { flex-direction: column; gap: 1.6rem; }
}

/* fix 2026-06-06: the 3-column methods table exceeds narrow viewports — allow horizontal scroll instead of page overflow */
.agg-table-wrap { overflow-x: auto; }

/* =============================================================
   MAP — the matryoshka on real geography (map.html)
   fix 2026-06-08: map scale-nav v0
   Leaflet 1.9.4 skinned to the atlas register: tiles desaturated
   and warm-tinted to sit on the cream paper, ink-outlined
   polygons (no default Leaflet blue), square divIcon markers
   with hard offset shadows, mono tooltips. Boundary scales keep
   the site-wide dashed/italic register.
   ============================================================= */
.fcimap { padding: 2.5rem 0 4rem; }

.fcimap__frame {
  display: grid;
  grid-template-columns: 13.5rem minmax(0, 1fr) 19rem;
  gap: 1.4rem;
  align-items: stretch;
}

/* --- the scale ladder (left rail) --- */
.fcimap__rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  height: 100%;
}
.fcimap__rail-list > li { display: flex; }
.fcimap__scale-btn {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.2rem 0.6rem;
  align-items: baseline;
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 0.65rem 0.8rem;
}
.fcimap__scale-btn .scale {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}
.fcimap__scale-btn .dim {
  font-family: var(--mono);
  font-size: 0.64rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.fcimap__scale-btn .role {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--ink-4);
  letter-spacing: 0.05em;
}
.fcimap__scale-btn:hover { background: var(--paper-2); }
.fcimap__scale-btn[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); }
.fcimap__scale-btn[aria-pressed="true"] .scale { color: var(--paper); }
.fcimap__scale-btn[aria-pressed="true"] .dim,
.fcimap__scale-btn[aria-pressed="true"] .role { color: var(--paper-3); }

/* boundary scales — muted + dashed: read, never aggregation targets */
.fcimap__scale-btn--boundary { border: 1px dashed var(--boundary); background: transparent; }
.fcimap__scale-btn--boundary .scale {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  text-transform: none;
  color: var(--boundary);
}
.fcimap__scale-btn--boundary .dim,
.fcimap__scale-btn--boundary .role { color: var(--boundary); opacity: 0.8; }
.fcimap__scale-btn--boundary:hover { background: rgba(74, 64, 53, 0.05); }
.fcimap__scale-btn--boundary[aria-pressed="true"] { background: var(--boundary); border-style: solid; border-color: var(--boundary); }
.fcimap__scale-btn--boundary[aria-pressed="true"] .scale,
.fcimap__scale-btn--boundary[aria-pressed="true"] .dim,
.fcimap__scale-btn--boundary[aria-pressed="true"] .role { color: var(--paper); opacity: 1; }

/* the ceiling rung inside the ladder */
.fcimap__rail-ceiling { display: flex; align-items: center; gap: 0.5rem; padding: 0.15rem 0; }
.fcimap__rail-ceiling::before,
.fcimap__rail-ceiling::after { content: ""; flex: 1 1 0.5rem; height: 2px; background: var(--iron); }
.fcimap__rail-ceiling span {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--iron);
  text-align: center;
  max-width: 8.5rem;
  line-height: 1.5;
}

/* --- the stage --- */
.fcimap__stage {
  position: relative;
  border: 1px solid var(--ink);
  background: var(--paper-2);
  height: clamp(30rem, 62vh, 38rem);
  overflow: hidden;
}
.fcimap__map { position: absolute; inset: 0; z-index: 1; }
.fcimap__badge {
  position: absolute;
  z-index: 800;
  top: 0.6rem;
  right: 0.6rem;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  background: rgba(245, 242, 235, 0.92);
  border: 1px solid var(--rule);
  padding: 0.28rem 0.5rem;
}
.fcimap__note {
  position: absolute;
  z-index: 800;
  left: 0.6rem;
  bottom: 1.55rem;
  max-width: min(24rem, 70%);
  margin: 0;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--ink-2);
  background: rgba(245, 242, 235, 0.92);
  border-left: 2px solid var(--boundary);
  padding: 0.4rem 0.6rem;
}
.fcimap__fallback {
  position: absolute;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  font-family: var(--mono);
  font-size: var(--t-1);
  color: var(--ink-3);
  letter-spacing: 0.04em;
  line-height: 1.7;
  background: repeating-linear-gradient(-45deg, var(--paper-2), var(--paper-2) 14px, var(--paper-3) 14px, var(--paper-3) 15px);
}
.fcimap__fallback p { max-width: 26rem; margin: 0; }
.fcimap__fallback[hidden] { display: none; }

/* --- the reading card --- */
.fcimap__card {
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 1.3rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.fcimap__card .eyebrow { display: block; }
.fcimap__card-pilot { font-family: var(--serif); font-size: var(--t-6); line-height: 1.05; margin: 0.25rem 0 0.2rem; }
.fcimap__card-bioregion { font-family: var(--mono); font-size: 0.62rem; color: var(--ink-3); letter-spacing: 0.05em; }
.fcimap__card-scalerow {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--ink);
  padding-top: 0.75rem;
}
.fcimap__card-scale {
  display: block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.fcimap__card-role { font-family: var(--mono); font-size: 0.6rem; color: var(--ink-3); letter-spacing: 0.05em; }
.fcimap__card-dim { font-family: var(--mono); font-size: 0.64rem; color: var(--ink-3); letter-spacing: 0.04em; }
.fcimap__card-meaning { font-family: var(--serif); font-style: italic; font-size: var(--t-3); color: var(--ink-2); line-height: 1.5; margin: 0; }
.fcimap__card-fci {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  line-height: 0.95;
  color: var(--iron);
  font-feature-settings: "lnum", "tnum";
}
.fcimap__card-formula { font-family: var(--mono); font-size: 0.62rem; color: var(--ink-3); letter-spacing: 0.04em; margin: 0.45rem 0 0.2rem; }
.fcimap__card-cells {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  margin-top: 0.6rem;
  border-top: 1px dashed var(--rule);
  padding-top: 0.55rem;
}
.fcimap__card-boundary { border-top: 2px solid var(--ink); padding-top: 0.8rem; }
.fcimap__card-boundary-msg { font-family: var(--serif); font-style: italic; font-size: var(--t-4); line-height: 1.45; color: var(--boundary); margin: 0 0 0.6rem; }
.fcimap__card-boundary-ctx { font-family: var(--sans); font-size: var(--t-2); line-height: 1.55; color: var(--ink-3); margin: 0; }
.fcimap__card-ingest {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--ink-2);
  border: 1px dashed var(--amber);
  padding: 0.45rem 0.6rem;
  margin: 0;
}
.fcimap__card-foot {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--ink-3);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--rule);
  padding-top: 0.6rem;
}

/* --- after-map explainer --- */
.fcimap__after { margin-top: 2.5rem; padding-top: 1.8rem; border-top: 1px solid var(--rule); }
.fcimap__after p { font-family: var(--sans); font-size: var(--t-3); line-height: 1.6; color: var(--ink-2); max-width: 44em; }
.fcimap__after .links { font-size: var(--t-2); color: var(--ink-3); }

/* --- Leaflet skinned to the atlas (scoped to the stage) --- */
.fcimap__stage .leaflet-container { background: var(--paper-2); font-family: var(--sans); }
.fcimap__stage .leaflet-container:focus-visible { outline: 2px solid var(--iron); outline-offset: -2px; }
.fcimap__stage .leaflet-tile-pane { filter: grayscale(0.22) sepia(0.18) saturate(0.78) brightness(1.02) contrast(0.96); }
.fcimap__stage .leaflet-control-zoom { border: 1px solid var(--ink); border-radius: 0; box-shadow: 2px 2px 0 rgba(10, 10, 10, 0.12); }
.fcimap__stage .leaflet-control-zoom a {
  width: 1.8rem;
  height: 1.8rem;
  line-height: 1.8rem;
  border-radius: 0 !important;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
}
.fcimap__stage .leaflet-control-zoom a:last-child { border-bottom: 0; }
.fcimap__stage .leaflet-control-zoom a:hover { background: var(--paper-2); color: var(--iron); }
.fcimap__stage .leaflet-control-attribution {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.02em;
  background: rgba(245, 242, 235, 0.88);
  color: var(--ink-3);
}
.fcimap__stage .leaflet-control-attribution a { color: var(--ink-3); border-bottom: 0; }
.fcimap-marker { background: transparent; border: 0; }
.fcimap-marker i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 rgba(10, 10, 10, 0.28);
}
.fcimap-marker--active i { background: var(--iron); }
.fcimap__stage .leaflet-marker-icon:focus-visible { outline: 2px solid var(--iron); outline-offset: 3px; }
.fcimap-tip {
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 0;
  box-shadow: 2px 2px 0 rgba(10, 10, 10, 0.14);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  padding: 0.22rem 0.45rem;
  white-space: nowrap;
}
.fcimap-tip::before { display: none; }

/* --- responsive: rail collapses to horizontal chips above the map --- */
@media (max-width: 1080px) {
  .fcimap__frame { grid-template-columns: 1fr; }
  .fcimap__rail-list { flex-direction: row; flex-wrap: wrap; height: auto; }
  .fcimap__rail-list > li { flex: 1 1 calc(33.33% - 0.45rem); }
  /* the ceiling stays a full-width rule between aggregable and boundary chips */
  .fcimap__rail-list > li.fcimap__rail-ceiling { flex: 1 1 100%; padding: 0.05rem 0; }
  .fcimap__rail-ceiling span { max-width: none; }
  .fcimap__scale-btn { padding: 0.55rem 0.65rem; }
  .fcimap__stage { height: auto; min-height: 60vh; }
}
@media (max-width: 760px) {
  .fcimap__rail-list > li { flex: 1 1 calc(50% - 0.45rem); }
  .fcimap__scale-btn .role { display: none; }
  .fcimap__note { max-width: 85%; }
}