/* =====================================================================
   Oath Peptides Ratings — Minimalism Swiss Style
   Cobalt #0033CC on cool-white #FAFAFA. Geist + Geist Mono.
   Strict 12-column grid. 8px spacing rhythm. No shadows, no radii.
   ===================================================================== */

:root {
  --primary: #0033CC;
  --primary-50: #E6ECFA;
  --primary-100: #C7D4F2;
  --primary-200: #94AEE6;
  --primary-300: #5F84D8;
  --primary-500: #0033CC;
  --primary-600: #002BB0;
  --primary-700: #002491;
  --primary-900: #001859;
  --secondary: #111111;
  --accent: #0033CC;
  --oxblood: #7A1F2B;
  --oxblood-50: #F4E6E8;

  --neutral-0: #FFFFFF;
  --neutral-50: #FAFAFA;
  --neutral-100: #F2F2F2;
  --neutral-150: #E8E8E8;
  --neutral-200: #D6D6D6;
  --neutral-300: #BDBDBD;
  --neutral-400: #9A9A9A;
  --neutral-500: #6E6E6E;
  --neutral-600: #4A4A4A;
  --neutral-700: #333333;
  --neutral-800: #1F1F1F;
  --neutral-900: #111111;

  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --surface-panel: #FAFAFA;
  --surface-inverse: #111111;
  --text: #111111;
  --text-muted: #4A4A4A;
  --text-dim: #6E6E6E;
  --text-on-dark: #FAFAFA;
  --text-on-cobalt: #FFFFFF;

  --rule: #E8E8E8;
  --rule-strong: #D6D6D6;
  --rule-accent: #0033CC;
  --rule-inverse: #333333;

  --score-5: #0033CC;
  --score-4: #3358D6;
  --score-3: #677CDF;
  --score-2: #9AA8E8;
  --score-1: #D6D6D6;
  --score-empty: #E8E8E8;

  --shell-max: 76rem;
  --rubric-max: 72rem;
  --reading-max: 44rem;
  --container-px: clamp(1rem, 3vw, 2rem);

  --font-display: 'Geist', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
  --font-body: 'Geist', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --radius-button: 0;
  --radius-card: 0;
  --radius-pill: 9999px;

  --t: 200ms ease-out;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "ss01" 1;
}

::selection { background: var(--primary); color: #fff; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--neutral-900);
}
h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h3 {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.005em;
}
h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.3;
}
p { line-height: 1.65; }
.lede {
  font-size: 1.1875rem;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--neutral-700);
}
small, .small { font-size: 0.875rem; line-height: 1.55; }
.micro { font-size: 0.8125rem; line-height: 1.5; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
code, .code {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 500;
  border-bottom: 1px solid var(--neutral-150);
  padding-bottom: 1px;
}

strong, b { font-weight: 600; color: var(--neutral-900); }
em { font-style: italic; }

a.link, .prose a {
  color: var(--primary);
  border-bottom: 1px solid var(--primary);
  padding-bottom: 1px;
  transition: color var(--t), border-color var(--t);
}
a.link:hover, .prose a:hover {
  color: var(--primary-700);
  border-color: var(--primary-700);
}

/* ---------- Layout ---------- */
.shell {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.shell-rubric {
  max-width: var(--rubric-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.shell-reading {
  max-width: var(--reading-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.section { padding-block: clamp(3rem, 6vw, 5rem); }
.section-tight { padding-block: clamp(2rem, 4vw, 3rem); }
.shell--top-spaced { margin-top: 3rem; }

/* ---------- Header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  min-height: 64px;
  padding-block: 0.75rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.02em;
  color: var(--neutral-900);
  text-transform: uppercase;
}
.brand-mark {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary);
}
.brand-meta {
  display: block;
  margin-top: 2px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.brand-text-block { display: inline-flex; flex-direction: column; line-height: 1.05; }

.site-nav { display: none; }
@media (min-width: 880px) {
  .site-nav { display: block; justify-self: center; }
}
.site-nav ul {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.site-nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--neutral-700);
  padding-block: 0.25rem;
  position: relative;
  transition: color var(--t);
}
.site-nav a:hover { color: var(--primary); }
.site-nav a.is-active { color: var(--primary); }
.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--primary);
}

.header-chip {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 0.375rem 0.625rem;
  white-space: nowrap;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--neutral-200);
  color: var(--neutral-900);
}
@media (min-width: 880px) { .nav-toggle { display: none; } }
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }
.nav-toggle-bar {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.nav-toggle-bar::before, .nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.nav-toggle-bar::before { top: -5px; }
.nav-toggle-bar::after { top: 5px; }

.mobile-nav {
  display: none;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  padding-block: 1rem;
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: 0.5rem; }
.mobile-nav a {
  display: block;
  padding: 0.625rem 0;
  font-weight: 500;
  font-size: 1rem;
  color: var(--neutral-900);
  border-bottom: 1px solid var(--rule);
}
.mobile-nav a:hover { color: var(--primary); }
@media (min-width: 880px) { .mobile-nav { display: none !important; } }

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(3rem, 6vw, 5rem);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  color: var(--primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero-eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--primary);
  display: inline-block;
}
.hero h1 { margin-bottom: 1.5rem; max-width: 24ch; }
.hero .lede { max-width: 60ch; margin-bottom: 2.5rem; }

.hero-summary-strip {
  margin-top: 2.5rem;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.hero-summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 640px) {
  .hero-summary-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .hero-summary-grid { grid-template-columns: repeat(4, 1fr); }
}
.hero-summary-cell {
  padding: 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.hero-summary-cell + .hero-summary-cell { border-top: 1px solid var(--rule); }
@media (min-width: 640px) {
  .hero-summary-cell:nth-child(2n) { border-left: 1px solid var(--rule); }
  .hero-summary-cell:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (min-width: 960px) {
  .hero-summary-cell + .hero-summary-cell { border-top: 0; border-left: 1px solid var(--rule); }
  .hero-summary-cell:nth-child(n+3) { border-top: 0; }
}
.hero-summary-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero-summary-label::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--primary);
  display: inline-block;
}
.hero-summary-score {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.hero-summary-score .mono {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--neutral-900);
}
.hero-summary-score .grade {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--primary);
}
.hero-summary-bar { margin-top: 0.25rem; }

.hero-composite-callout {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1rem;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}
.hero-composite-callout .label {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.85;
}
.hero-composite-callout .value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.125rem;
}

/* ---------- Buttons ---------- */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  border-radius: var(--radius-button);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color var(--t), border-color var(--t), color var(--t);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-700); }
.btn-primary:active { background: var(--primary-900); }
.btn-primary:focus-visible {
  outline: 2.5px solid var(--primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 2.5px #fff;
}
.btn-secondary {
  background: transparent;
  color: var(--neutral-900);
  border-color: var(--neutral-400);
}
.btn-secondary:hover {
  color: var(--primary);
  border-color: var(--primary);
}
.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 0;
  padding: 0.5rem 0;
  position: relative;
}
.btn-ghost::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 0;
  background: var(--primary);
  transition: height var(--t);
}
.btn-ghost:hover::after { height: 1.5px; }

/* ---------- Section heads ---------- */
.section-head {
  margin-bottom: 2rem;
}
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.875rem;
}
.section-head .eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--primary);
  display: inline-block;
}
.section-head h2 {
  position: relative;
  padding-bottom: 0;
  margin-bottom: 1rem;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: var(--primary);
  margin-top: 1rem;
}

.section-divider {
  height: 1px;
  background: var(--rule-strong);
  position: relative;
  margin-block: clamp(3rem, 5vw, 4rem);
}
.section-divider::before {
  content: "";
  position: absolute;
  left: 0; top: -3px;
  width: 6px; height: 6px;
  background: var(--primary);
}

/* ---------- Prose ---------- */
.prose {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--neutral-800);
}
.prose > * + * { margin-top: 1.25em; }
.prose h2 { margin-top: 2em; margin-bottom: 0.75em; }
.prose h3 { margin-top: 1.75em; margin-bottom: 0.5em; }
.prose ul, .prose ol { padding-left: 1.5rem; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose ul li, .prose ol li { margin-bottom: 0.5em; padding-left: 0.25rem; }
.prose strong { color: var(--neutral-900); font-weight: 600; }

.prose sup { font-size: 0.6875em; line-height: 0; vertical-align: super; }
.prose sup a {
  color: var(--primary);
  font-weight: 500;
  padding: 0 0.125rem;
  border-bottom: 1px solid transparent;
}
.prose sup a:hover { border-color: var(--primary); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 1.75rem;
}
.card + .card { margin-top: 1.25rem; }
.card-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.card-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
}
.card-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--primary);
  display: inline-block;
}
.card-eyebrow.is-oxblood { color: var(--oxblood); }
.card-eyebrow.is-oxblood::before { background: var(--oxblood); }
.card-eyebrow.is-muted { color: var(--text-muted); }
.card-eyebrow.is-muted::before { background: var(--text-muted); }
.card h3 { color: var(--neutral-900); }

/* ---------- Callouts ---------- */
.callout {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--primary);
  padding: 1.5rem 1.75rem;
  margin-block: 2rem;
}
.callout-eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.625rem;
  display: block;
}
.callout p { color: var(--neutral-800); }
.callout p + p { margin-top: 0.75rem; }

.callout-claim {
  border-left-color: var(--oxblood);
  background: var(--surface);
}
.callout-claim .callout-eyebrow { color: var(--oxblood); }

.card--claim-examined {
  border-left: 4px solid var(--oxblood);
}
.card--claim-examined .card-header {
  padding-bottom: 1rem;
}
.callout-honest-body { margin-top: 0.625rem; }

.callout-honest {
  background: var(--surface-panel);
  border: 1px solid var(--neutral-200);
  border-left: 4px solid var(--neutral-500);
}
.callout-honest .callout-eyebrow { color: var(--text-muted); }

/* ---------- Chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
  white-space: nowrap;
}
.chip-amber { color: #8A6A0A; border-color: #8A6A0A; }
.chip-muted { color: var(--text-muted); border-color: var(--neutral-500); }
.chip-oxblood { color: var(--oxblood); border-color: var(--oxblood); }

.stat-chip {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.625rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--rule);
}
.stat-chip .label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.375rem;
}
.stat-chip .value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--neutral-900);
}

.letter-grade-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 32px;
  padding: 0 0.625rem;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.005em;
}

/* ---------- Score bar ---------- */
.score-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  height: 14px;
  width: 100%;
}
.score-bar--mini { height: 8px; max-width: 100px; }
.score-bar--inline { height: 6px; max-width: 60px; display: inline-grid; vertical-align: middle; }
.score-bar--large { height: 20px; max-width: 320px; }
.score-bar__seg {
  background: var(--score-empty);
}
.score-bar__seg.is-filled.tier-5 { background: var(--score-5); }
.score-bar__seg.is-filled.tier-4 { background: var(--score-4); }
.score-bar__seg.is-filled.tier-3 { background: var(--score-3); }
.score-bar__seg.is-filled.tier-2 { background: var(--score-2); }
.score-bar__seg.is-filled.tier-1 { background: var(--score-1); }

/* ---------- Rubric block (4-quadrant) ---------- */
.rubric-block {
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .rubric-block { grid-template-columns: 1fr 1fr; }
}
.rubric-quadrant {
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.rubric-quadrant + .rubric-quadrant { border-top: 1px solid var(--rule); }
@media (min-width: 720px) {
  .rubric-quadrant:nth-child(2n) { border-left: 1px solid var(--rule); }
  .rubric-quadrant:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .rubric-quadrant + .rubric-quadrant { border-top: 0; }
  .rubric-quadrant:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
.rubric-quadrant__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
}
.rubric-quadrant__label::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--primary);
  display: inline-block;
}
.rubric-quadrant__weight {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.rubric-quadrant__bar { margin-block: 0.25rem; }
.rubric-quadrant__score-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.rubric-quadrant__score {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2.5rem, 4.5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--primary);
}
.rubric-quadrant__grade {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
  color: var(--neutral-700);
}
.rubric-quadrant__rationale {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--neutral-700);
}
.rubric-quadrant__link {
  align-self: flex-start;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 1px;
  margin-top: auto;
  transition: color var(--t);
}
.rubric-quadrant__link:hover { color: var(--primary-700); border-color: var(--primary-700); }

/* ---------- Weight strip ---------- */
.weight-strip {
  margin-block: 1.5rem;
}
.weight-strip__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.weight-bar {
  display: grid;
  grid-template-columns: 35fr 25fr 20fr 20fr;
  gap: 2px;
  height: 24px;
  width: 100%;
}
.weight-bar__seg { display: block; }
.weight-bar__seg.tier-5 { background: var(--score-5); }
.weight-bar__seg.tier-4 { background: var(--score-4); }
.weight-bar__seg.tier-3 { background: var(--score-3); }
.weight-bar__seg.tier-2 { background: var(--score-2); }
.weight-legend {
  display: grid;
  grid-template-columns: 35fr 25fr 20fr 20fr;
  gap: 2px;
  margin-top: 0.5rem;
}
.weight-legend span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Category hero (per-category pages) ---------- */
.cat-hero {
  padding-block: clamp(3rem, 5vw, 4rem);
}
.cat-hero__score-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-top: 2rem;
  padding-block: 2rem;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
@media (min-width: 760px) {
  .cat-hero__score-row { grid-template-columns: 1fr auto; }
}
.cat-hero__bar { max-width: 480px; }
.cat-hero__score-display {
  display: flex;
  align-items: baseline;
  gap: 0.875rem;
}
.cat-hero__score {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(3rem, 5.5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--primary);
}
.cat-hero__grade {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--neutral-700);
}

/* ---------- Input list ---------- */
.input-list {
  margin-top: 1rem;
}
.input-row {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.input-row:first-child {
  border-top: 2px solid var(--primary);
}
.input-row__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.625rem;
}
.input-row__label::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--primary);
  display: inline-block;
}
.input-row__value {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--neutral-900);
  margin-bottom: 0.5rem;
}
.input-row__rationale {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--neutral-700);
}

/* ---------- Tables ---------- */
.tbl-wrap { overflow-x: auto; margin-block: 1.5rem; }
table.tbl {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-bottom: 1px solid var(--rule-strong);
}
.tbl thead th {
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neutral-900);
  padding: 0.875rem 0.875rem;
  border-top: 2px solid var(--primary);
  border-bottom: 1px solid var(--rule-strong);
}
.tbl tbody td {
  padding: 1rem 0.875rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9375rem;
  vertical-align: top;
}
.tbl tbody tr:hover td { background: var(--surface-panel); }
.tbl td.num, .tbl th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tbl td.bar { width: 120px; }

/* ---------- Figure ---------- */
figure.fig {
  margin-block: 2rem;
  background: var(--surface);
  border: 1px solid var(--rule);
}
figure.fig img { width: 100%; display: block; }
figure.fig figcaption {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--neutral-700);
  font-style: italic;
}
figure.fig figcaption .fig-marker {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  font-style: normal;
  margin-right: 0.5rem;
}

/* ---------- References list ---------- */
.references-list {
  counter-reset: ref;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}
.references-list li {
  position: relative;
  padding: 1.125rem 0 1.125rem 3rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--neutral-800);
}
.references-list li::before {
  content: "[" counter(ref, decimal) "]";
  counter-increment: ref;
  position: absolute;
  left: 0;
  top: 1.125rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--primary);
  letter-spacing: 0;
}
.references-list li a.ref-link {
  display: inline-block;
  margin-left: 0.375rem;
  color: var(--primary);
  font-weight: 500;
}
.references-list li a.ref-link::after {
  content: "\2197";
  margin-left: 0.125rem;
  font-size: 0.875em;
}

/* ---------- FAQ ---------- */
.faq-group { margin-top: 2rem; }
.faq-group h2 { margin-bottom: 1.25rem; }
.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.faq-item h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--neutral-900);
  margin-bottom: 0.75rem;
  letter-spacing: -0.005em;
}
.faq-item p { color: var(--neutral-800); font-size: 1rem; line-height: 1.65; }
.faq-item p + p { margin-top: 0.75rem; }

/* ---------- Contact ---------- */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 2rem;
  display: grid;
  gap: 1.25rem;
}
.field { display: grid; gap: 0.5rem; }
.field label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neutral-900);
}
.field input, .field textarea, .field select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--neutral-300);
  background: var(--surface);
  color: var(--neutral-900);
  border-radius: 0;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 0;
  border-color: var(--primary);
}
.field textarea { min-height: 160px; resize: vertical; }
.contact-form-note {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
}
.field .required-mark {
  color: var(--primary);
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 5rem;
  background: var(--surface-inverse);
  color: var(--text-on-dark);
  border-top: 1px solid var(--primary);
  padding-block: 3rem 2rem;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 720px) {
  .site-footer .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .site-footer .footer-grid { grid-template-columns: repeat(4, 1fr); }
}
.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-col a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-on-dark);
  transition: color var(--t);
}
.footer-col a:hover { color: var(--primary-200); }
.footer-sub {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-inverse);
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
.footer-sub p { color: var(--neutral-400); font-size: 0.875rem; }
.footer-sub--copyright {
  border-top: 0;
  padding-top: 0;
  margin-top: 1rem;
}
.footer-disclaimer { font-style: italic; max-width: 56ch; }
.footer-colophon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neutral-500);
}

/* ---------- 404 ---------- */
.error-page {
  padding-block: clamp(5rem, 10vw, 8rem);
  text-align: left;
}
.error-page .big-number {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(5rem, 16vw, 11rem);
  line-height: 1;
  color: var(--primary);
  letter-spacing: -0.04em;
}
.error-page h1 { margin-top: 1rem; }
.error-page .lede { margin-top: 1rem; }
.error-page .cta-row { margin-top: 2rem; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-block: 1rem 0;
}
.breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--t);
}
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs .sep { margin-inline: 0.5rem; color: var(--neutral-300); }

/* ---------- Tippy overrides (light-border) ---------- */
.tippy-box[data-theme~="light-border"] {
  background: var(--surface);
  color: var(--neutral-900);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.5;
}
.tippy-box[data-theme~="light-border"] .tippy-arrow { color: var(--surface); }

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

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .cta-row, .nav-toggle, .mobile-nav { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}