/* betfairtoday.com — Slate Utility editorial rummy publication
 * Color system: LIGHT_COLOR_007_SLATE_UTILITY (slate-utility light)
 * Typography: TYPOGRAPHY_SYSTEM_002 (editorial serif display + sans body)
 * Visual contract: mosaic-newsroom / sidebar-stream / framed / tonal-layering / quiet-modern
 * Dials: VARIANCE 6 / MOTION 3 / DENSITY 5
 */

:root {
  /* === SLATE UTILITY PALETTE (LIGHT_COLOR_007) === */
  --paper:        #f5f4ef;   /* page background — warm bone */
  --parchment:    #ecebe4;   /* banded surface */
  --cream:        #faf8f2;   /* card surface */
  --ink:          #16202a;   /* primary text */
  --ink-soft:     #34424f;   /* secondary text */
  --rule:         #1d2a36;   /* hairline rules, slate */
  --rule-soft:    #cfd3d6;   /* light dividers */
  --slate-700:    #2a3a4a;
  --slate-600:    #3a4d61;
  --slate-500:    #506578;
  --slate-300:    #8e9ba7;
  --slate-200:    #b6bdc3;
  --slate-100:    #d8dde0;
  --accent:       #2e6a55;   /* deep editorial green — single accent */
  --accent-soft:  #4f8f76;
  --accent-ink:   #163a2c;
  --warn:         #8a3c1f;
  --gold:         #6f5a1e;
  --highlight:    #f2e6c2;

  /* === TYPE === */
  --serif:  "Spectral", "Georgia", "Times New Roman", serif;
  --sans:   "Work Sans", "Helvetica Neue", "Arial", system-ui, sans-serif;
  --mono:   "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* === METRICS === */
  --shell-max: 1280px;
  --gutter: 24px;
  --gutter-lg: 40px;
  --rule-w: 1px;
  --frame-pad: 8px;
  --radius: 2px;
  --radius-card: 4px;

  /* === MOTION === */
  --t-fast: 120ms ease-out;
  --t-mid:  220ms cubic-bezier(.22,.61,.36,1);
}

/* === BASE === */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; }
hr.rule { border: 0; border-top: 1px solid var(--rule); margin: 0; }
hr.rule-soft { border: 0; border-top: 1px solid var(--rule-soft); margin: 0; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin: 0;
}
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.06; letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.16; }
h3 { font-size: clamp(18px, 2vw, 22px); line-height: 1.25; }
h4 { font-size: 16px; line-height: 1.3; font-weight: 600; }
p  { margin: 0 0 1em; }
.lede { font-size: clamp(17px, 1.6vw, 19px); line-height: 1.55; color: var(--ink-soft); }
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kicker::before { content: ""; width: 18px; height: 1px; background: var(--accent); }
.standfirst {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.5;
  color: var(--ink-soft);
}
.byline {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

/* === SHELL === */
.shell { max-width: var(--shell-max); margin: 0 auto; padding: 0 var(--gutter); }
.shell-wide { max-width: 1440px; margin: 0 auto; padding: 0 var(--gutter); }

/* === HEADER === */
.masthead {
  position: sticky;
  top: 0;
  z-index: 250;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.masthead-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 8px;
  border-bottom: 1px solid var(--rule-soft);
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  width: 28px; height: 28px;
  border: 1.5px solid var(--ink);
  display: inline-grid; place-items: center;
  font-family: var(--serif); font-weight: 700; font-size: 16px;
  letter-spacing: -0.04em;
  background: var(--cream);
}
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-left: 4px;
}
.masthead-meta {
  display: flex; gap: 18px; align-items: center;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--slate-500);
}
.masthead-meta > .meta-text {
  display: inline-flex; align-items: center; gap: 18px;
}
.masthead-meta > .meta-text > span { white-space: nowrap; }
.masthead-meta .pill {
  border: 1px solid var(--rule);
  padding: 4px 8px;
  background: var(--cream);
  color: var(--ink);
}

/* category rail (primary nav) */
.cat-rail {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule);
  background: var(--cream);
}
.cat-rail::-webkit-scrollbar { display: none; }
.cat-rail a {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  border-right: 1px solid var(--rule-soft);
  white-space: nowrap;
}
.cat-rail a:first-child { border-left: 1px solid var(--rule-soft); }
.cat-rail a:hover { background: var(--paper); color: var(--accent); }
.cat-rail a.active { background: var(--ink); color: var(--paper); }

.hamburger {
  display: none;
  position: relative;
  z-index: 300;
  background: var(--cream);
  border: 1px solid var(--rule);
  width: 40px; height: 40px;
  padding: 0;
  align-items: center; justify-content: center;
}
.hamburger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  position: relative;
}
.hamburger span::before,
.hamburger span::after {
  content: "";
  position: absolute; left: 0;
  width: 18px; height: 1.5px;
  background: var(--ink);
}
.hamburger span::before { top: -6px; }
.hamburger span::after  { top:  6px; }

.mobile-drawer {
  position: fixed;
  top: 0; left: 0;
  width: min(86vw, 360px);
  height: 100dvh;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform var(--t-mid);
  overflow-y: auto;
  padding: 24px 0 32px;
}
.mobile-drawer[data-open="true"] { transform: translateX(0); }
.mobile-drawer a {
  display: block;
  padding: 14px 24px;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.mobile-drawer-close {
  display: block;
  width: calc(100% - 48px);
  margin: 8px 24px 24px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  background: var(--cream);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.scrim {
  position: fixed; inset: 0;
  background: rgba(22, 32, 42, 0.45);
  z-index: 150;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-mid);
}
.scrim[data-open="true"] { opacity: 1; pointer-events: auto; }

/* === FOOTER === */
.colophon {
  background: var(--ink);
  color: var(--paper);
  padding: 56px 0 32px;
  margin-top: 80px;
  border-top: 4px solid var(--accent);
}
.colophon a { color: var(--paper); text-decoration: none; }
.colophon a:hover { color: var(--highlight); text-decoration: underline; }
.colophon h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--highlight);
  margin: 0 0 14px;
}
.colophon ul { list-style: none; padding: 0; margin: 0; }
.colophon li { padding: 4px 0; font-size: 14px; line-height: 1.4; }
.colophon-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.colophon-brand p { color: rgba(245,244,239,0.7); font-size: 14px; max-width: 32ch; }
.colophon-meta {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(245,244,239,0.15);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(245,244,239,0.6);
  text-transform: uppercase;
}
.colophon-meta a { color: rgba(245,244,239,0.7); }

/* === SECTION CHROME === */
.section { padding: 56px 0; }
.section.tight { padding: 36px 0; }
.section.band-paper { background: var(--paper); }
.section.band-parchment { background: var(--parchment); }
.section.band-cream { background: var(--cream); }
.section.band-ink { background: var(--ink); color: var(--paper); }
.section.band-ink h1, .section.band-ink h2, .section.band-ink h3, .section.band-ink h4 { color: var(--paper); }
.section.band-ink a { color: var(--highlight); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--rule);
}
.section-head .kicker { color: var(--accent); }
.section-head .lede { max-width: 56ch; margin-top: 6px; }
.section-head .head-aside {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-500);
  text-align: right;
}

/* === TYPOGRAPHIC OPENER === */
.opener {
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--rule);
}
.opener-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  padding-bottom: 18px;
}
.opener h1 {
  font-style: italic;
  font-weight: 600;
}
.opener-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate-500);
}
.opener-sub {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding-top: 12px;
}
.opener-sub p {
  font-family: var(--serif);
  font-size: clamp(15px, 1.3vw, 17px);
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.55;
}
.opener-colophon {
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-500);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* === CHAPTER NAVIGATOR === */
.chapters {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--cream);
}
.chapter-rail {
  display: grid;
  grid-template-columns: repeat(8, minmax(0,1fr));
  gap: 0;
}
.chapter {
  padding: 18px 14px;
  border-right: 1px solid var(--rule-soft);
  display: block;
  text-decoration: none;
  color: var(--ink);
  position: relative;
}
.chapter:last-child { border-right: 0; }
.chapter:hover { background: var(--paper); }
.chapter-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.chapter-title {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.25;
  margin-top: 6px;
  font-weight: 600;
}
.chapter-sub {
  font-size: 12px;
  color: var(--slate-500);
  margin-top: 4px;
  line-height: 1.3;
}

/* === MOSAIC HERO === */
.mosaic {
  display: grid;
  grid-template-columns: 5fr 4fr 3fr 4fr;
  grid-template-rows: 220px 220px;
  gap: 8px;
  padding: 8px;
  background: var(--ink);
  border: 1px solid var(--rule);
}
.mosaic > * {
  background: var(--parchment);
  position: relative;
  overflow: hidden;
}
.mosaic .m-1 { grid-column: 1 / 2; grid-row: 1 / 3; }
.mosaic .m-2 { grid-column: 2 / 3; grid-row: 1 / 2; }
.mosaic .m-3 { grid-column: 3 / 4; grid-row: 1 / 2; }
.mosaic .m-4 { grid-column: 2 / 3; grid-row: 2 / 2; }
.mosaic .m-5 { grid-column: 4 / 5; grid-row: 1 / 3; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; }
.mosaic .caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.mosaic .overlay-text {
  position: absolute;
  left: 24px; right: 24px; top: 24px;
  color: var(--paper);
  z-index: 2;
}
.mosaic .overlay-text .kicker { color: var(--highlight); }
.mosaic .overlay-text .kicker::before { background: var(--highlight); }
.mosaic .overlay-text h2 {
  color: var(--paper);
  font-size: clamp(24px, 2.6vw, 32px);
  margin-top: 12px;
  max-width: 22ch;
  font-style: italic;
  font-weight: 600;
}
.mosaic .overlay-text p {
  color: rgba(245,244,239,0.85);
  font-size: 14px;
  margin-top: 8px;
  max-width: 40ch;
}
.mosaic .gradient-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(22,32,42,0.65) 0%, rgba(22,32,42,0.0) 45%, rgba(22,32,42,0.85) 100%);
  z-index: 1;
}

/* === EDITORIAL GRID === */
.stream {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 32px;
}
.stream main { min-width: 0; }
.stream aside { min-width: 0; }

.insight-list { list-style: none; padding: 0; margin: 0; }
.insight-list li {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}
.insight-list li:last-child { border-bottom: 0; }
.insight-rank {
  font-family: var(--mono);
  font-size: 22px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.insight-title {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
  font-weight: 600;
  margin: 0 0 4px;
}
.insight-sub {
  font-size: 13px;
  color: var(--slate-500);
  line-height: 1.45;
}
.insight-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  text-align: right;
  white-space: nowrap;
}
.evidence-row { /* hover-reveal-evidence */
  position: relative;
}
.evidence-row .evidence {
  display: none;
  font-size: 13px;
  color: var(--slate-700);
  margin-top: 6px;
  padding: 8px 12px;
  border-left: 3px solid var(--accent);
  background: var(--cream);
}
.evidence-row:hover .evidence,
.evidence-row:focus-within .evidence { display: block; }

/* === CARD / FRAMED IMAGE === */
.framed {
  background: var(--cream);
  border: 1px solid var(--rule);
  padding: var(--frame-pad);
}
.framed .frame-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--parchment);
}
.framed .frame-img img { width: 100%; height: 100%; object-fit: cover; }
.framed .frame-cap {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-top: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-500);
  border-top: 1px solid var(--rule-soft);
  margin-top: 8px;
}
.framed .frame-body { padding: 12px 4px 6px; }
.framed .frame-body h3 {
  font-size: 18px;
  line-height: 1.3;
  margin-bottom: 4px;
}
.framed .frame-body p { font-size: 14px; color: var(--ink-soft); margin: 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }

/* === CARD GRID (blog/editorial listing) === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.card {
  background: var(--cream);
  border: 1px solid var(--rule-soft);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-card);
  padding: 22px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card h3 {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
}
.card p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  flex: 1;
}
.card-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  text-decoration: none;
  align-self: flex-start;
  padding-top: 6px;
  border-top: 1px solid var(--rule-soft);
  margin-top: 4px;
  transition: color var(--t-fast);
}
.card-link:hover { color: var(--accent); text-decoration: underline; }
@media (max-width: 899px) {
  .card-grid { grid-template-columns: 1fr; gap: 16px; }
}

/* === STORY (split-axis dossier) === */
.story {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.story.reverse { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.story.reverse .story-img { order: 2; }
.story-img .framed { position: sticky; top: 110px; }
.story-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 12px;
}
.story h2 { margin-bottom: 12px; }
.story blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink);
  background: var(--cream);
}

/* === LEDGER (reference table) === */
.ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--cream);
  border: 1px solid var(--rule);
}
.ledger th, .ledger td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--rule-soft);
  border-right: 1px solid var(--rule-soft);
  vertical-align: top;
}
.ledger th:last-child, .ledger td:last-child { border-right: 0; }
.ledger thead th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}
.ledger tbody tr:nth-child(even) { background: var(--paper); }
.ledger tbody tr:hover { background: var(--highlight); }
.ledger caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-500);
  padding: 8px 0;
  caption-side: top;
}

/* === QUESTIONS DESK (FAQ) === */
.qa { display: grid; gap: 0; }
.qa-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.qa-item:last-child { border-bottom: 0; }
.qa-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 2px;
}
.qa-q {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 8px;
  font-weight: 600;
}
.qa-a { font-size: 15px; color: var(--ink-soft); line-height: 1.6; }

/* === NEXT-STEP PANEL (single CTA strip) === */
.next-step {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 32px;
  padding: 32px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--rule);
  align-items: center;
}
.next-step h3 {
  color: var(--paper);
  font-style: italic;
  font-size: 24px;
  line-height: 1.25;
}
.next-step p { color: rgba(245,244,239,0.8); font-size: 14px; margin: 6px 0 0; }
.next-step-notes {
  display: grid; gap: 8px;
  font-size: 13px;
  color: rgba(245,244,239,0.85);
}
.next-step-notes li {
  display: flex; gap: 8px; align-items: baseline;
  list-style: none;
}
.next-step-notes li::before {
  content: "—";
  color: var(--highlight);
  font-family: var(--mono);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}
.btn:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(245,244,239,0.4);
}
.btn-ghost:hover { background: rgba(245,244,239,0.12); border-color: var(--paper); }

/* === MOBILE STICKY AFFILIATE CTA === */
.sticky-cta {
  display: none;
  position: fixed;
  left: 12px; right: 12px;
  bottom: 12px;
  z-index: 220;
  padding: 12px 14px;
  background: var(--ink);
  border: 1px solid var(--accent);
  box-shadow: 0 6px 24px rgba(22,32,42,0.35);
}
.sticky-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--accent);
}
.sticky-cta a:hover { background: var(--accent-soft); border-color: var(--accent-soft); }
.sticky-cta-meta {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245,244,239,0.7);
  text-align: center;
  margin-top: 6px;
}

/* === HUB PAGE BODY === */
.hub-intro {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 40px;
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--rule);
}
.hub-intro h2 { font-size: clamp(22px, 2.4vw, 28px); font-style: italic; }
.hub-intro p { font-size: 16px; color: var(--ink-soft); }
.hub-aside {
  background: var(--cream);
  border: 1px solid var(--rule);
  padding: 20px;
  font-size: 14px;
}
.hub-aside h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--accent); margin-bottom: 8px; text-transform: uppercase; font-weight: 500; }
.hub-aside dl { margin: 0; }
.hub-aside dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate-500); margin-top: 10px; }
.hub-aside dd { margin: 2px 0 0; color: var(--ink); }

.prose { max-width: 70ch; }
.prose h2 { margin: 32px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--rule); }
.prose h3 { margin: 24px 0 8px; }
.prose p, .prose li { font-size: 16px; line-height: 1.7; color: var(--ink); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 6px 0; }

.callout {
  background: var(--cream);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
}
.callout.warn { border-left-color: var(--warn); background: #fbf2ec; }
.callout .callout-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
  display: block;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

/* === ARTICLE PAGE === */
.article {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 40px;
  padding: 32px 0;
}
.article .article-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-500);
  display: flex; gap: 14px;
  margin: 8px 0 16px;
}
.article .article-hero { margin: 24px 0; }

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .chapter-rail { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .colophon-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .related-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stream { grid-template-columns: 1fr; }
  .article { grid-template-columns: 1fr; }
  .hub-intro { grid-template-columns: 1fr; }
  .next-step { grid-template-columns: 1fr; }
}
@media (max-width: 899px) {
  body { font-size: 15px; }
  .hamburger { display: inline-flex; }
  .masthead-meta { display: flex; gap: 0; }
  .masthead-meta > .meta-text { display: none; }
  .cat-rail { display: none; }
  .chapter-rail { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; gap: 20px; }
  .story.reverse .story-img { order: 0; }
  .mosaic { grid-template-columns: 1fr 1fr; grid-template-rows: 200px 200px 200px; }
  .mosaic .m-1 { grid-column: 1 / 3; grid-row: 1 / 2; }
  .mosaic .m-2 { grid-column: 1 / 2; grid-row: 2 / 3; }
  .mosaic .m-3 { grid-column: 2 / 3; grid-row: 2 / 3; }
  .mosaic .m-4 { grid-column: 1 / 2; grid-row: 3 / 4; }
  .mosaic .m-5 { grid-column: 2 / 3; grid-row: 3 / 4; }
  .sticky-cta { display: block; }
  body { padding-bottom: 96px; }
  .opener-sub { grid-template-columns: 1fr; }
  .insight-list li { grid-template-columns: 40px minmax(0, 1fr); }
  .insight-meta { grid-column: 2; text-align: left; }
  .shell, .shell-wide { padding: 0 16px; }
  .ledger { font-size: 13px; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
  .ledger > thead, .ledger > tbody, .ledger > caption { display: table; width: 100%; table-layout: fixed; }
  .ledger > caption { caption-side: top; }
  .btn-outline { display: inline-block; max-width: 100%; padding: 10px 14px; white-space: normal; word-break: break-word; }
  h1 { font-size: clamp(28px, 7vw, 36px); }
}
@media (max-width: 430px) {
  .chapter-rail { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .colophon-grid { grid-template-columns: 1fr; }
  .opener-row { grid-template-columns: 1fr; }
  .next-step { padding: 20px; }
}