/* =====================================================================
   OATH RESEARCH REVIEWS — Comparative Analysis Dashboard
   Light-mode editorial newsroom-data-desk register.
   Cool-white #F7F8FA paper-ground + deep teal #0E5258 anchor +
   oxblood #6E1F2B for negative-delta indicators and dismantled-claim rules.
   IBM Plex Serif (display) + IBM Plex Sans (body/nav) + IBM Plex Mono (numerals).
   Squared corners. Zero animation beyond color-only transitions.
   ===================================================================== */

:root {
  /* Primary teal stops */
  --primary:            #0E5258;
  --primary-50:         #E7F0F1;
  --primary-100:        #C9DEE1;
  --primary-200:        #9DC4C9;
  --primary-500:        #0E5258;
  --primary-700:        #0A3D42;
  --primary-900:        #062327;

  /* Accent + oxblood */
  --secondary:          #1C2733;
  --accent:             #0E5258;
  --accent-oxblood:     #6E1F2B;
  --accent-oxblood-50:  #F6E8EA;

  /* Neutrals */
  --neutral-0:          #FFFFFF;
  --neutral-50:         #F7F8FA;
  --neutral-100:        #EDEFF3;
  --neutral-150:        #E2E5EC;
  --neutral-200:        #D1D6E0;
  --neutral-300:        #B5BCC9;
  --neutral-400:        #8A92A3;
  --neutral-500:        #5E6779;
  --neutral-600:        #3F4858;
  --neutral-700:        #2A3340;
  --neutral-800:        #1C2733;
  --neutral-900:        #0F1620;

  /* Surfaces + grounds */
  --bg:                 #F7F8FA;
  --bg-paper:           #FFFFFF;
  --surface:            #FFFFFF;
  --surface-panel:      #F7F8FA;
  --surface-inverse:    #1C2733;

  /* Text */
  --text:               #1C2733;
  --text-strong:        #0F1620;
  --text-muted:         #5E6779;
  --text-dim:           #8A92A3;
  --text-on-dark:       #F7F8FA;
  --text-on-teal:       #FFFFFF;
  --text-on-oxblood:    #FFFFFF;

  /* Rules */
  --rule:               #E2E5EC;
  --rule-strong:        #D1D6E0;
  --rule-accent:        #0E5258;
  --rule-oxblood:       #6E1F2B;

  /* Rubric tier ramp */
  --tier-5:             #0E5258;
  --tier-4:             #3F7A7E;
  --tier-3:             #7AA8AB;
  --tier-2:             #B5BCC9;
  --tier-1:             #E2E5EC;

  /* Delta / status */
  --delta-positive:     #0E5258;
  --delta-negative:     #6E1F2B;
  --delta-neutral:      #5E6779;
  --warning:            #9A6B0A;
  --warning-50:         #FBF1D9;
  --danger:             #6E1F2B;

  /* Layout */
  --max-width:          78rem;
  --content-width:      44rem;
  --compare-width:      68rem;
  --container-px:       clamp(1rem, 3vw, 2.25rem);

  /* Typography stacks */
  --font-serif:         'IBM Plex Serif', 'Source Serif Pro', 'Cambria', Georgia, 'Times New Roman', serif;
  --font-sans:          'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:          'IBM Plex Mono', 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Motion */
  --transition:         200ms ease-out;
}

/* ======= RESET ======= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 100%; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}
body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga";
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-700); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
:focus-visible {
  outline: 2.5px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.95);
  border-radius: 0;
}

/* ======= TYPOGRAPHY ======= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-strong);
  line-height: 1.15;
}
h1 {
  font-weight: 600;
  font-size: clamp(2rem, 4.25vw, 3.25rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}
h2 {
  font-weight: 600;
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  letter-spacing: -0.015em;
  line-height: 1.18;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  position: relative;
}
h2::after {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  background: var(--accent);
  margin-top: 0.75rem;
}
h3 {
  font-weight: 500;
  font-size: 1.375rem;
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}
h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
}
p {
  margin-bottom: 1.125rem;
  max-width: 60ch;
}
.prose p, article p { max-width: 60ch; }
.lede {
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--neutral-700);
  letter-spacing: -0.005em;
  max-width: 60ch;
  margin-bottom: 1.75rem;
}
strong { font-weight: 600; color: var(--text-strong); }
em { font-style: italic; }
code, .mono {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--neutral-800);
  background: transparent;
  padding: 0;
  border-bottom: 1px solid var(--neutral-150);
  white-space: nowrap;
}
pre code { border-bottom: none; }

ul.bullets, ol.numbered {
  margin: 0.5rem 0 1.25rem 1.5rem;
  max-width: 60ch;
}
ul.bullets li, ol.numbered li {
  position: relative;
  margin-bottom: 0.5rem;
  list-style: disc outside;
}
ol.numbered li { list-style: decimal outside; }

/* sup / inline citation */
sup { font-size: 0.6875rem; line-height: 1; vertical-align: super; }
sup a {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  padding: 0 0.125rem;
}
sup a:hover { color: var(--primary-700); text-decoration: underline; }

/* Eyebrow */
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.eyebrow-square {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 0.5rem;
}
.eyebrow-square--oxblood { background: var(--accent-oxblood); }

/* ======= CONTAINERS ======= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}
.container--content {
  max-width: calc(var(--content-width) + (var(--container-px) * 2));
}
.container--compare {
  max-width: calc(var(--compare-width) + (var(--container-px) * 2));
}

/* ======= HEADER / MASTHEAD ======= */
.site-header {
  background: var(--bg-paper);
  border-bottom: 1px solid var(--neutral-150);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
  padding: 0.75rem var(--container-px);
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand-block { display: flex; align-items: center; gap: 0.75rem; }
.brand-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; gap: 2px; }
.site-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.015em;
  color: var(--neutral-800);
  text-decoration: none;
  line-height: 1.1;
}
.site-brand:hover { color: var(--accent); text-decoration: none; }
.brand-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1;
}

.site-nav { display: none; }
.site-nav ul { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.site-nav a {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--neutral-700);
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
  display: inline-block;
}
.site-nav a:hover { color: var(--accent); text-decoration: none; }
.site-nav a[aria-current="page"] {
  color: var(--accent);
}
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--accent);
}

.rev-chip {
  display: none;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.375rem 0.625rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0.625rem;
  border: 1px solid var(--neutral-200);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--neutral-800);
}
.site-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-paper); border-bottom: 1px solid var(--neutral-150); }
.site-nav.open ul { flex-direction: column; gap: 0; align-items: stretch; padding: 1rem var(--container-px); }
.site-nav.open a { padding: 0.875rem 0; border-bottom: 1px solid var(--neutral-150); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav { display: block; }
  .rev-chip { display: inline-block; }
}

/* ======= MAIN ======= */
main { flex: 1; }

/* ======= HERO ======= */
.hero {
  background: var(--bg);
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--neutral-200);
}
.hero .container--content {
  position: relative;
}
.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: block;
}
.hero-h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2rem, 4.25vw, 3.25rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--neutral-900);
  margin-bottom: 1.5rem;
  max-width: 22ch;
}
.hero-h1::after { content: none; }
.hero-subhead {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1.1875rem;
  line-height: 1.55;
  color: var(--neutral-700);
  letter-spacing: -0.005em;
  max-width: 62ch;
  margin-bottom: 2rem;
}

.verdict-snapshot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 2rem;
  margin-bottom: 2rem;
  border-top: 1px solid var(--neutral-200);
  border-bottom: 1px solid var(--neutral-200);
}
.verdict-snapshot-cell {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--neutral-150);
}
.verdict-snapshot-cell:last-child { border-bottom: none; }
.verdict-snapshot-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.375rem;
}
.verdict-snapshot-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  letter-spacing: -0.015em;
  color: var(--neutral-900);
  font-variant-numeric: tabular-nums;
  display: block;
}
@media (min-width: 700px) {
  .verdict-snapshot { grid-template-columns: repeat(4, 1fr); }
  .verdict-snapshot-cell { border-bottom: none; border-right: 1px solid var(--neutral-200); padding: 1.25rem; }
  .verdict-snapshot-cell:last-child { border-right: none; }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* ======= BUTTONS (squared, sentence-case) ======= */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0;
  padding: 0.875rem 1.75rem;
  border: 1.5px solid transparent;
  border-radius: 0;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
  line-height: 1.2;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: var(--text-on-teal);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--primary-700); border-color: var(--primary-700); color: var(--text-on-teal); }
.btn-primary:active { background: var(--primary-900); }
.btn-secondary {
  background: transparent;
  color: var(--neutral-900);
  border-color: var(--neutral-400);
}
.btn-secondary:hover { color: var(--accent); border-color: var(--accent); }
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: none;
  padding: 0.5rem 0;
  font-weight: 600;
}
.btn-ghost::after {
  content: "";
  display: block;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width var(--transition);
}
.btn-ghost:hover::after { width: 100%; }

/* ======= ARTICLE BODY ======= */
.article-body {
  padding: 2.5rem 0 3rem;
}
.article-body section {
  margin-bottom: 0.5rem;
}
.section-rule {
  display: flex;
  align-items: center;
  margin: 3rem 0 0;
  border-top: 1px solid var(--neutral-200);
  position: relative;
}
.section-rule::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--accent);
}

/* ======= COMPARISON PANEL ======= */
.comparison-panel {
  background: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  margin: 2rem auto;
  width: 100%;
  max-width: var(--compare-width);
}
.comparison-panel-headers {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.comparison-panel-col-header {
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neutral-900);
  border-bottom: 1px solid var(--neutral-150);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.comparison-panel-col-header:first-child { border-right: 1px solid var(--neutral-150); }
.comparison-panel-col-header .col-mark {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
}
.comparison-panel-col-header--baseline .col-mark { background: var(--accent-oxblood); }

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--neutral-150);
}
.comparison-row:last-child { border-bottom: none; }
.comparison-cell {
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--neutral-150);
}
.comparison-cell:last-child { border-right: none; }
.comparison-cell-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.375rem;
}
.comparison-cell-value {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--neutral-900);
  line-height: 1.45;
}
.comparison-cell--baseline .comparison-cell-value { color: var(--neutral-700); font-weight: 500; }

.delta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  border: 1px solid var(--accent);
  background: var(--bg-paper);
  padding: 0.125rem 0.4375rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.delta-chip--positive { color: var(--accent); border-color: var(--accent); }
.delta-chip--neutral { color: var(--neutral-500); border-color: var(--neutral-300); }
.delta-arrow { font-weight: 700; }

/* ======= RUBRIC BLOCK (four-quadrant) ======= */
.rubric-block {
  background: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  margin: 2.5rem 0;
  display: grid;
  grid-template-columns: 1fr;
}
.rubric-quadrant {
  padding: 1.5rem 1.5rem 1.75rem;
  border-bottom: 1px solid var(--neutral-150);
}
.rubric-quadrant:last-child { border-bottom: none; }
.rubric-quadrant-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.score-bar {
  display: flex;
  gap: 2px;
  margin: 0.75rem 0 0.5rem;
  max-width: 280px;
}
.score-bar-segment {
  flex: 1;
  height: 14px;
  background: var(--tier-1);
}
.score-bar-segment[data-tier="5"] { background: var(--tier-5); }
.score-bar-segment[data-tier="4"] { background: var(--tier-4); }
.score-bar-segment[data-tier="3"] { background: var(--tier-3); }
.score-bar-segment[data-tier="2"] { background: var(--tier-2); }
.score-bar-segment[data-tier="1"] { background: var(--tier-1); }
.rubric-score {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.5rem, 4.5vw, 3.5rem);
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.015em;
  margin: 0.5rem 0 0.75rem;
  font-variant-numeric: tabular-nums;
}
.rubric-rationale {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--neutral-700);
  max-width: 50ch;
  margin-bottom: 1rem;
}
.rubric-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
}
.rubric-link:hover { color: var(--primary-700); border-bottom-color: var(--primary-700); text-decoration: none; }

@media (min-width: 700px) {
  .rubric-block { grid-template-columns: 1fr 1fr; }
  .rubric-quadrant { border-right: 1px solid var(--neutral-150); }
  .rubric-quadrant:nth-child(even) { border-right: none; }
  .rubric-quadrant:nth-last-child(-n+2) { border-bottom: none; }
  .rubric-quadrant:nth-child(1), .rubric-quadrant:nth-child(2) { border-bottom: 1px solid var(--neutral-150); }
}

/* ======= STAT CHIP ======= */
.stat-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--neutral-150);
  background: var(--bg-paper);
}
.stat-chip-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.stat-chip-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--neutral-900);
  font-variant-numeric: tabular-nums;
}

/* ======= CONFIDENCE CHIPS (only rounded element) ======= */
.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  border: 1px solid var(--accent);
  background: var(--bg-paper);
  color: var(--accent);
  margin: 0 0.25rem;
  vertical-align: middle;
  line-height: 1.4;
}
.chip--verified, .chip--public-record-verified { border-color: var(--accent); color: var(--accent); }
.chip--corroborated, .chip--independently-corroborated { border-color: var(--accent); color: var(--accent); }
.chip--partial, .chip--partial-fetch { border-color: var(--warning); color: var(--warning); }
.chip--unverifiable, .chip--not-verifiable-from-public-records { border-color: var(--neutral-500); color: var(--neutral-500); }
.chip--caveat { border-color: var(--neutral-500); color: var(--neutral-500); }

/* ======= CALLOUTS ======= */
.callout {
  background: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  border-left: 4px solid var(--accent);
  padding: 1.5rem 1.75rem;
  margin: 1.75rem 0;
}
.callout-eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.callout--claim-examined {
  border-left-color: var(--accent-oxblood);
}
.callout--claim-examined .callout-eyebrow { color: var(--accent-oxblood); }
.callout--honest-gap {
  background: var(--surface-panel);
  border: 1px solid var(--neutral-200);
  border-left: 4px solid var(--neutral-500);
}
.callout--honest-gap .callout-eyebrow { color: var(--text-muted); }
.callout--regulatory {
  border-left-color: var(--accent);
}
.callout--regulatory .callout-eyebrow { color: var(--accent); }
.callout p { margin-bottom: 0.75rem; }
.callout p:last-child { margin-bottom: 0; }

/* ======= FIGURE ======= */
.figure {
  margin: 2.5rem auto;
  background: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  width: 100%;
  max-width: var(--compare-width);
}
.figure img {
  width: 100%;
  height: auto;
  display: block;
}
.figure-caption {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--neutral-150);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--neutral-700);
  font-style: italic;
  line-height: 1.55;
}
.figure-caption-marker {
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.75rem;
  margin-right: 0.5rem;
}

/* ======= TABLE ======= */
.editorial-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-paper);
  font-size: 0.9375rem;
}
.editorial-table thead th {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neutral-900);
  text-align: left;
  padding: 0.875rem 0.75rem;
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--neutral-200);
  background: var(--bg-paper);
}
.editorial-table tbody td {
  padding: 1rem 0.75rem;
  border-bottom: 1px solid var(--neutral-150);
  vertical-align: middle;
}
.editorial-table tbody tr:last-child td { border-bottom: 1px solid var(--neutral-200); }
.editorial-table tbody tr:hover td { background: rgba(247, 248, 250, 0.5); }
.editorial-table .col-numeric, .editorial-table .num {
  font-family: var(--font-mono);
  font-weight: 500;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--neutral-900);
}
.editorial-table .col-compound, .editorial-table .ident {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--neutral-900);
}
.score-bar--inline {
  display: inline-flex;
  gap: 1px;
  width: 80px;
  vertical-align: middle;
  margin-right: 0.5rem;
}
.score-bar--inline .score-bar-segment { height: 8px; }

/* ======= FAQ ACCORDION ======= */
.faq-list { margin: 1.5rem 0 2rem; max-width: 60rem; }
.faq-item {
  border-bottom: 1px solid var(--neutral-150);
  background: var(--bg-paper);
}
.faq-item:first-child { border-top: 1px solid var(--neutral-150); }
.faq-question {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.1875rem;
  letter-spacing: -0.005em;
  color: var(--neutral-900);
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  line-height: 1.4;
}
.faq-question:hover { color: var(--accent); }
.faq-question-marker {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  width: 1.5em;
  text-align: right;
}
.faq-item.open .faq-question-marker::before { content: "−"; }
.faq-item:not(.open) .faq-question-marker::before { content: "+"; }
.faq-answer {
  display: none;
  padding: 0 1.25rem 1.5rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--neutral-700);
}
.faq-item.open .faq-answer { display: block; }
.faq-answer p { max-width: 70ch; margin-bottom: 0.75rem; }
.faq-answer p:last-child { margin-bottom: 0; }

/* ======= REFERENCES ======= */
.references-list {
  margin: 2rem 0;
  counter-reset: ref-counter;
  width: 100%;
  max-width: 60rem;
}
.references-list li {
  position: relative;
  padding: 1rem 0 1rem 3rem;
  border-bottom: 1px solid var(--neutral-150);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--neutral-800);
  counter-increment: ref-counter;
}
.references-list li::before {
  content: counter(ref-counter);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--accent);
  width: 2rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.references-list .ref-source-type {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-left: 0.5rem;
}
.references-list .ref-link {
  margin-left: 0.375rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 500;
  text-decoration: none;
}
.references-list .ref-link:hover { text-decoration: underline; }

/* ======= CONTACT FORM ======= */
.contact-form {
  background: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  padding: 2rem;
  max-width: 40rem;
  margin: 2rem 0;
}
.form-field { margin-bottom: 1.5rem; }
.form-field label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neutral-800);
  margin-bottom: 0.5rem;
}
.form-field input, .form-field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--neutral-900);
  background: var(--bg);
  border: 1px solid var(--neutral-200);
  border-radius: 0;
  padding: 0.75rem 0.875rem;
  line-height: 1.5;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--primary-50);
}
.form-field textarea { resize: vertical; min-height: 8rem; }

/* ======= LINKS ======= */
.inline-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}
.inline-link:hover { color: var(--primary-700); border-bottom-color: var(--primary-700); text-decoration: none; }

/* ======= FOOTER ======= */
.site-footer {
  background: var(--surface-inverse);
  color: var(--text-on-dark);
  margin-top: 4rem;
  border-top: 1px solid var(--accent);
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 3rem var(--container-px);
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-on-dark);
  text-decoration: none;
}
.footer-col a:hover { color: var(--primary-200); text-decoration: underline; }
.footer-col li.static {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-on-dark);
}
.footer-sub {
  border-top: 1px solid var(--neutral-700);
  padding: 1.5rem var(--container-px);
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}
.footer-disclaimer { font-family: var(--font-sans); color: var(--text-dim); }
.footer-copyright { font-family: var(--font-sans); color: var(--text-dim); font-size: 0.8125rem; }
.footer-colophon {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

@media (min-width: 700px) {
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .footer-cols { grid-template-columns: repeat(4, 1fr); }
  .footer-sub { flex-direction: row; align-items: center; justify-content: space-between; }
  .footer-copyright { text-align: right; }
}

/* ======= 404 ======= */
.notfound {
  text-align: center;
  padding: 6rem var(--container-px);
}
.notfound h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: var(--font-serif);
  font-weight: 600;
}
.notfound h1::after { content: none; }
.notfound p { max-width: 40rem; margin: 0 auto 2rem; color: var(--neutral-700); font-size: 1.125rem; }

/* ======= TIPPY THEME ======= */
.tippy-box[data-theme~='oath-editorial'] {
  background-color: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  border-top: 2px solid var(--accent);
  color: var(--neutral-800);
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(15, 22, 32, 0.08);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.55;
}
.tippy-box[data-theme~='oath-editorial'] .tippy-content { padding: 0.875rem 1rem; }
.tippy-box[data-theme~='oath-editorial'] .tippy-arrow { color: var(--neutral-150); }

.tippy-citation { font-family: var(--font-sans); }
.tippy-citation-text { font-size: 0.8125rem; line-height: 1.5; color: var(--neutral-800); margin-bottom: 0.375rem; }
.tippy-citation-mono { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); }
.tippy-citation-link { font-size: 0.75rem; color: var(--accent); font-family: var(--font-mono); text-decoration: none; }
.tippy-citation-link:hover { text-decoration: underline; }

/* ======= UTILITY ======= */
.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;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.text-muted { color: var(--text-muted); }
.lead-p { font-size: 1.125rem; line-height: 1.6; color: var(--neutral-700); max-width: 64ch; }
.note-strip {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--text-muted);
  border-left: 2px solid var(--neutral-200);
  padding: 0.25rem 0 0.25rem 1rem;
  margin: 1rem 0;
}

/* Hero figure (below hero) */
.hero-figure {
  margin: 2rem auto 0;
  background: var(--bg-paper);
  border: 1px solid var(--neutral-150);
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--container-px);
  display: block;
}
.hero-figure img { width: 100%; height: auto; display: block; }

/* Verdict snapshot eyebrow above */
.verdict-snapshot-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

/* Wider reading body where appropriate */
.article-body .container--content {
  max-width: calc(var(--content-width) + (var(--container-px) * 2));
}

/* Breadcrumbs */
.breadcrumbs {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}
.breadcrumbs a { color: var(--text-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumbs span { margin: 0 0.5rem; color: var(--neutral-300); }