/* Vector & Value AI — site styles
   Palette: ink navy, cool paper, brass. Type: Newsreader (display/serif) + Schibsted Grotesk (UI/body). */

:root {
  --ink: #0A1628;
  --ink-soft: #2B3747;
  --slate: #5B6675;
  --paper: #F4F4F0;
  --paper-2: #E9EAE4;
  --rule: #CCD0CA;
  --brass: #C18F46;
  --brass-deep: #85601F;
  --brass-light: #D8AD6C;
  --human: #B0492F;
  --ai: #2A67A0;
  --on-dark: rgba(244, 244, 240, 0.74);
  --line-dark: rgba(244, 244, 240, 0.22);

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;

  --wrap: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(64px, 9vw, 120px);

  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: 2.1rem;
  --step-4: clamp(2.2rem, 4.2vw, 3.3rem);
  --step-5: clamp(2.7rem, 6.2vw, 5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-optical-sizing: auto;
  text-wrap: balance;
}
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }

.skip-link { position: absolute; left: -9999px; top: 12px; }
.skip-link:focus { left: 16px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 14px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 244, 240, 0.94);
  backdrop-filter: saturate(1.2) blur(8px);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.topbar.is-scrolled { border-bottom-color: var(--rule); }
.topbar__row { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; }
.brand__name { font-family: var(--serif); font-size: 1.3rem; font-weight: 500; letter-spacing: -0.01em; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 36px; }
.nav__links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  text-decoration: none; font-size: 0.95rem; color: var(--slate);
  padding: 6px 0; border-bottom: 1px solid transparent;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--brass); }

.nav__toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 10px; background: none; border: 0; cursor: pointer;
}
.nav__toggle span { display: block; height: 1.5px; background: var(--ink); }

.drawer {
  position: fixed; inset: 0; z-index: 60;
  display: flex; flex-direction: column;
  padding: 0 var(--gutter) 32px;
  background: var(--paper);
  visibility: hidden; opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  overflow-y: auto;
}
.drawer.is-open { visibility: visible; opacity: 1; }
.drawer__top { display: flex; align-items: center; justify-content: space-between; height: 72px; flex-shrink: 0; }
.drawer__close { width: 44px; height: 44px; background: none; border: 0; font-size: 1.8rem; line-height: 1; color: var(--ink); cursor: pointer; }
.drawer__links { list-style: none; margin: 24px 0 32px; padding: 0; border-top: 1px solid var(--rule); }
.drawer__links a {
  display: block; padding: 14px 0; border-bottom: 1px solid var(--rule);
  font-family: var(--serif); font-size: 1.9rem; color: var(--ink); text-decoration: none;
}
.drawer__links a[aria-current="page"] { color: var(--brass-deep); }

@media (max-width: 900px) {
  .nav { display: none; }
  .nav__toggle { display: flex; }
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border: 1px solid var(--ink); border-radius: 2px;
  font-family: var(--sans); font-size: 0.95rem; font-weight: 500; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--ink-soft); border-color: var(--ink-soft); }
.btn--secondary { background: transparent; color: var(--ink); }
.btn--secondary:hover { background: var(--ink); color: var(--paper); }
.btn--brass { background: var(--brass); border-color: var(--brass); color: var(--ink); }
.btn--brass:hover { background: var(--brass-light); border-color: var(--brass-light); }
.btn--on-dark { background: transparent; border-color: rgba(244, 244, 240, 0.5); color: var(--paper); }
.btn--on-dark:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); }

.link {
  color: var(--ink); font-weight: 500;
  text-decoration: underline; text-decoration-color: var(--brass);
  text-decoration-thickness: 1px; text-underline-offset: 4px;
}
.link:hover { text-decoration-thickness: 2px; }

/* ---------- Home hero ---------- */
.hero { padding: clamp(40px, 7vw, 96px) 0 clamp(56px, 8vw, 104px); border-bottom: 1px solid var(--rule); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: var(--step-5); line-height: 1.02; letter-spacing: -0.028em; max-width: 11ch; }
.hero__sub { margin-top: 28px; max-width: 34ch; font-size: var(--step-1); line-height: 1.5; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.field { position: relative; }
.field canvas { display: block; width: 100%; aspect-ratio: 7 / 6; touch-action: pan-y; }
.field__caption { margin-top: 12px; font-size: 0.9rem; color: var(--slate); }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .field { max-width: 560px; }
}

/* ---------- Page hero ---------- */
.page-hero { padding: clamp(56px, 9vw, 112px) 0 clamp(48px, 6vw, 80px); border-bottom: 1px solid var(--rule); }
.page-hero h1 { font-size: var(--step-5); line-height: 1.03; letter-spacing: -0.028em; max-width: 15ch; }
.page-hero p { margin-top: 26px; max-width: 46ch; font-size: var(--step-1); line-height: 1.5; }

/* ---------- Sections ---------- */
.section { padding: var(--section) 0; }
.section--tint { background: var(--paper-2); }
.section--dark { background: var(--ink); color: var(--on-dark); }
.section--dark h2, .section--dark h3 { color: var(--paper); }
.section--rule { border-top: 1px solid var(--rule); }

.head {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px 64px; align-items: end;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.head h2 { font-size: var(--step-4); max-width: 20ch; }
.head p { max-width: 46ch; color: var(--slate); }
.section--dark .head p { color: var(--on-dark); }
@media (max-width: 800px) { .head { grid-template-columns: 1fr; } }

/* ---------- Ruled columns (pillars, values, areas) ---------- */
.columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.columns--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.columns > * { padding: 28px 32px 4px 0; }
.columns:not(.columns--2) > * + * { padding-left: 32px; border-left: 1px solid var(--rule); }
.columns--2 > * { padding: 28px 40px 36px 0; border-bottom: 1px solid var(--rule); }
.columns--2 > :nth-child(even) { padding-left: 40px; padding-right: 0; border-left: 1px solid var(--rule); }
.columns h3 { font-size: var(--step-2); }
.columns p { margin-top: 14px; max-width: 38ch; color: var(--slate); }
.columns .link { display: inline-block; margin-top: 22px; }
@media (max-width: 900px) {
  .columns, .columns--2 { grid-template-columns: 1fr; }
  .columns > *, .columns > * + *, .columns--2 > *, .columns--2 > :nth-child(even) {
    padding: 26px 0 30px; border-left: 0; border-bottom: 1px solid var(--rule);
  }
}

/* ---------- Value → Decision → System → Measurement ---------- */
.path { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); position: relative; counter-reset: step; }
.path::before { content: ""; position: absolute; left: 0; right: 10px; top: 7px; height: 1px; background: var(--ink); }
.path::after {
  content: ""; position: absolute; right: 0; top: 2px;
  border-left: 11px solid var(--ink); border-top: 6px solid transparent; border-bottom: 6px solid transparent;
}
.path li { position: relative; padding: 44px 28px 0 0; counter-increment: step; }
.path li::before {
  content: ""; position: absolute; left: 0; top: 0;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--paper-2); border: 1.5px solid var(--ink);
}
.path li:last-child::before { background: var(--brass); border-color: var(--brass); }
.path__name { display: block; font-family: var(--serif); font-size: var(--step-3); line-height: 1.1; color: var(--ink); }
.path__name::before { content: counter(step); display: block; margin-bottom: 6px; font-family: var(--sans); font-size: 0.85rem; color: var(--slate); }
.path p { margin-top: 12px; max-width: 28ch; color: var(--slate); font-size: 0.98rem; }
@media (max-width: 900px) {
  .path { grid-template-columns: 1fr; }
  .path::before { left: 7px; right: auto; top: 0; bottom: 10px; width: 1px; height: auto; }
  .path::after { right: auto; top: auto; bottom: 0; left: 2px; border-top: 11px solid var(--ink); border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 0; }
  .path li { padding: 0 0 40px 44px; }
  .path li::before { top: 4px; }
}

/* ---------- Product feature ---------- */
.feature { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px clamp(32px, 5vw, 72px); padding-top: 32px; border-top: 1px solid var(--ink); }
.feature + .feature { margin-top: clamp(56px, 7vw, 88px); }
.feature--muted { border-top-color: var(--rule); }
.feature--muted .feature__name { color: var(--slate); }
.feature__name { font-family: var(--serif); font-size: var(--step-4); color: var(--ink); line-height: 1.05; }
.feature__type { display: block; margin-top: 10px; font-weight: 500; color: var(--brass-deep); }
.feature__summary { margin-top: 22px; max-width: 30ch; font-family: var(--serif); font-size: var(--step-1); line-height: 1.5; color: var(--ink-soft); }
.feature__body > p { max-width: 62ch; }
.feature__body > p + p { margin-top: 18px; }
.feature__body strong { color: var(--ink); font-weight: 600; }
.feature__body .btn { margin-top: 32px; }
.feature__subhead { margin-top: 36px; font-family: var(--sans); font-size: 1rem; font-weight: 600; color: var(--ink); }
.caps { list-style: none; margin: 14px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.caps li { padding: 14px 0 14px 22px; border-top: 1px solid var(--rule); position: relative; line-height: 1.5; }
.caps li::before { content: ""; position: absolute; left: 0; top: 23px; width: 10px; height: 1.5px; background: var(--brass); }
@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; }
  .caps { grid-template-columns: 1fr; }
}

/* ---------- Research list ---------- */
.papers { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.papers li { display: grid; grid-template-columns: 170px minmax(0, 1fr) auto; gap: 8px 32px; padding: 28px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.papers__cat { font-size: 0.92rem; font-weight: 500; color: var(--brass-deep); }
.papers__title { font-family: var(--serif); font-size: var(--step-2); line-height: 1.2; color: var(--ink); }
.papers__title a { text-decoration: none; }
.papers__title a:hover { text-decoration: underline; text-decoration-color: var(--brass); text-decoration-thickness: 1px; text-underline-offset: 5px; }
.papers__note { grid-column: 2; margin-top: 6px; max-width: 60ch; color: var(--slate); }
.papers__source { font-size: 0.92rem; color: var(--slate); white-space: nowrap; }
.section--dark .papers, .section--dark .papers li { border-color: var(--line-dark); }
.section--dark .papers__cat { color: var(--brass-light); }
.section--dark .papers__title { color: var(--paper); }
.section--dark .papers__note, .section--dark .papers__source { color: var(--on-dark); }
@media (max-width: 800px) {
  .papers li { grid-template-columns: 1fr; }
  .papers__note { grid-column: 1; }
}

.actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }
.fineprint { margin-top: 20px; font-size: 0.95rem; color: var(--slate); }
.fineprint a { color: var(--ink); text-underline-offset: 3px; text-decoration-color: var(--brass); }

/* ---------- Audience ---------- */
.audience { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 32px; }
.audience li { padding: 20px 0 22px; border-top: 1px solid var(--rule); font-family: var(--serif); font-size: var(--step-2); line-height: 1.2; color: var(--ink); }
@media (max-width: 900px) { .audience { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .audience { grid-template-columns: 1fr; } }

/* ---------- CTA band ---------- */
.cta { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 32px; }
.cta h2 { font-size: var(--step-4); max-width: 15ch; }
.cta p { margin-top: 16px; max-width: 42ch; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px clamp(32px, 6vw, 96px); }
.about__lede { font-family: var(--serif); font-size: var(--step-3); line-height: 1.2; color: var(--ink); letter-spacing: -0.01em; max-width: 18ch; }
.about__body p { max-width: 62ch; }
.about__body p + p { margin-top: 20px; }
@media (max-width: 900px) { .about { grid-template-columns: 1fr; } }

/* ---------- Consulting cases ---------- */
.cases { border-top: 1px solid var(--ink); }
.case { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px 32px; margin: 0; padding: 28px 0; border-bottom: 1px solid var(--rule); }
.case dt { margin-bottom: 6px; font-size: 0.88rem; color: var(--slate); }
.case dd { margin: 0; color: var(--ink); line-height: 1.5; }
.case .pending { color: var(--brass-deep); }
@media (max-width: 900px) { .case { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .case { grid-template-columns: 1fr; } }

/* ---------- Essays block ---------- */
.essay { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: end; padding-top: 32px; border-top: 1px solid var(--ink); }
.essay h3 { font-size: var(--step-3); }
.essay p { margin-top: 14px; max-width: 56ch; color: var(--slate); }
@media (max-width: 800px) { .essay { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 48px clamp(40px, 7vw, 112px); }
.field { margin-bottom: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.field label { display: block; margin-bottom: 8px; font-size: 0.95rem; font-weight: 500; color: var(--ink); }
.field .optional { font-weight: 400; color: var(--slate); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  font: inherit; font-size: 1rem; color: var(--ink);
  background: #FFFFFF; border: 1px solid var(--rule); border-radius: 2px;
  transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.field textarea { min-height: 170px; resize: vertical; }
.form-status { margin-top: 16px; font-size: 0.95rem; color: var(--ink); }
.form-status:empty { display: none; }
.contact__info { border-top: 1px solid var(--ink); }
.contact__info div { padding: 20px 0; border-bottom: 1px solid var(--rule); }
.contact__info h2 { font-family: var(--sans); font-size: 0.95rem; font-weight: 600; color: var(--ink); letter-spacing: 0; margin-bottom: 6px; }
.contact__info p { color: var(--slate); }
.contact__info a { color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 3px; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { padding: 64px 0 32px; background: var(--paper-2); border-top: 1px solid var(--rule); font-size: 0.95rem; }
.footer__top { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)) minmax(0, 1.4fr); gap: 32px; }
.footer__tag { margin-top: 14px; max-width: 26ch; color: var(--slate); }
.footer h2 { margin-bottom: 12px; font-family: var(--sans); font-size: 0.95rem; font-weight: 600; letter-spacing: 0; color: var(--ink); }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li + li { margin-top: 8px; }
.footer ul a { color: var(--slate); text-decoration: none; overflow-wrap: anywhere; }
.footer ul a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--rule); color: var(--slate); }
@media (max-width: 900px) {
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---------- Hero tagline ---------- */
.field__caption {
  margin-top: 18px; text-align: center;
  font-family: var(--serif); font-style: italic; font-size: var(--step-1); line-height: 1.4;
  color: var(--ink-soft);
  transition: opacity 0.8s ease;
}
.field--intro .field__caption { opacity: 0; transition: none; }

/* ---------- Product lineup (one line per product) ---------- */
.lineup { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.lineup li {
  display: grid; grid-template-columns: 200px minmax(0, 1fr) auto;
  gap: 6px 32px; align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--rule);
}
.lineup__name { font-family: var(--serif); font-size: var(--step-2); color: var(--ink); text-decoration: none; line-height: 1.2; }
.lineup__name:hover { text-decoration: underline; text-decoration-color: var(--brass); text-decoration-thickness: 1px; text-underline-offset: 5px; }
.lineup__line { max-width: 64ch; }
.lineup__status { font-size: 0.9rem; color: var(--slate); white-space: nowrap; }
.lineup__status--live { color: var(--brass-deep); font-weight: 500; }
@media (max-width: 800px) { .lineup li { grid-template-columns: 1fr; } }

/* ---------- Product page extras ---------- */
.feature__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.feature__body .feature__actions .btn { margin-top: 0; }
.deadline { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--rule); }
.deadline__count { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.deadline__days { font-family: var(--serif); font-size: var(--step-4); line-height: 1; color: var(--brass-deep); font-variant-numeric: lining-nums tabular-nums; }
.deadline__days:empty, .deadline__count.is-hidden { display: none; }
.deadline__unit { color: var(--slate); }
.deadline dl { margin: 18px 0 0; }
.deadline dl div { padding: 10px 0; border-top: 1px solid var(--rule); }
.deadline dt { font-weight: 600; color: var(--ink); }
.deadline dd { margin: 2px 0 0; color: var(--slate); }

.field__caption .human { color: var(--human); }
.field__caption .ai { color: var(--ai); }

/* ---------- Pramaan extras ---------- */
.pricing { margin-top: 24px; padding: 16px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); max-width: 62ch; }
.pricing strong { color: var(--ink); font-weight: 600; }
.subsection { margin-top: clamp(56px, 7vw, 88px); }
.subsection__title { font-size: var(--step-3); margin-bottom: 32px; }
.commodities { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 32px; }
.commodities > div { padding-top: 18px; border-top: 1px solid var(--ink); }
.commodities h4 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: var(--step-2); color: var(--ink); line-height: 1.2; }
.commodities p { margin-top: 10px; color: var(--slate); font-size: 0.98rem; max-width: 36ch; }
@media (max-width: 900px) { .commodities { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; } }
@media (max-width: 560px) { .commodities { grid-template-columns: 1fr; } }

.footer__legal { display: inline-flex; gap: 18px; flex-wrap: wrap; }
.footer__legal a, .footer__cookie { color: var(--slate); text-decoration: none; }
.footer__cookie { padding: 0; border: 0; background: none; font: inherit; cursor: pointer; }
.footer__legal a:hover, .footer__cookie:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; }

/* ---------- ReasonIQ example ---------- */
.example { padding-top: 32px; border-top: 1px solid var(--rule); }
.example__intro p { max-width: 70ch; }
.example .caps { margin-top: 28px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.example__steps { margin-top: 48px; }
@media (max-width: 1000px) { .example .caps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .example .caps { grid-template-columns: 1fr; } }

/* ---------- Grader sensitivity explorer ---------- */
.explorer__intro { max-width: 70ch; }
.explorer__panel {
  margin-top: 28px; padding: clamp(20px, 3vw, 36px);
  background: var(--paper); border: 1px solid var(--rule); border-top: 2px solid var(--ink);
}
.explorer__graders { display: flex; flex-wrap: wrap; gap: 8px; }
.explorer__grader {
  font: inherit; font-size: 0.95rem; font-weight: 500; color: var(--ink-soft);
  padding: 9px 14px; background: transparent; border: 1px solid var(--rule); border-radius: 2px; cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.explorer__grader:hover { border-color: var(--ink); color: var(--ink); }
.explorer__grader[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.explorer__trait { margin-top: 14px; min-height: 1.6em; color: var(--slate); font-family: var(--serif); font-style: italic; font-size: 1.08rem; }

.explorer__main { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 48px; margin-top: 28px; }
.explorer__system + .explorer__system { margin-top: 22px; }
.explorer__sysname { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-weight: 600; color: var(--ink); }
.explorer__note { font-weight: 400; color: var(--slate); font-size: 0.92rem; }
.explorer__key { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.explorer__key--a { background: var(--ink); }
.explorer__key--b { background: var(--brass); }
.explorer__scoreline { display: flex; align-items: baseline; gap: 12px; margin-top: 4px; }
.explorer__score { font-family: var(--serif); font-size: var(--step-4); line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums lining-nums; }
.explorer__ci { color: var(--slate); font-size: 0.92rem; }
.explorer__bar { margin-top: 10px; height: 6px; background: var(--paper-2); }
.explorer__fill { display: block; height: 100%; transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.explorer__fill--a { background: var(--ink); }
.explorer__fill--b { background: var(--brass); }

.explorer__result { margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--rule); }
.explorer__verdict { font-weight: 600; color: var(--ink); }
.explorer__verdict--A::before, .explorer__verdict--B::before, .explorer__verdict--tie::before {
  content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: 1px;
}
.explorer__verdict--A::before { background: var(--ink); }
.explorer__verdict--B::before { background: var(--brass); }
.explorer__verdict--tie::before { background: transparent; border: 1.5px solid var(--slate); }
.explorer__diffnum { margin-top: 4px; color: var(--slate); font-size: 0.95rem; font-variant-numeric: tabular-nums; }
.explorer__runrow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-top: 22px; }
.explorer__runlabel { color: var(--slate); font-size: 0.92rem; }

.explorer__gridlabel { font-size: 0.92rem; color: var(--slate); margin-bottom: 12px; }
.explorer__gridrow { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 10px; align-items: start; }
.explorer__gridrow + .explorer__gridrow { margin-top: 16px; }
.explorer__gridname { font-weight: 600; color: var(--ink); line-height: 14px; }
.explorer__grid { display: grid; grid-template-columns: repeat(15, 14px); gap: 7px; }
.explorer__dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 1.5px solid var(--slate); background: transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}
[data-grid="A"] .explorer__dot.is-pass { background: var(--ink); border-color: var(--ink); }
[data-grid="B"] .explorer__dot { border-color: var(--brass-deep); }
[data-grid="B"] .explorer__dot.is-pass { background: var(--brass); border-color: var(--brass); }
.explorer__dot.is-flip { animation: explorer-flip 0.9s ease-out; }
@keyframes explorer-flip {
  0% { box-shadow: 0 0 0 0 rgba(193, 143, 70, 0.9); }
  100% { box-shadow: 0 0 0 7px rgba(193, 143, 70, 0); }
}
.explorer__flips { margin-top: 16px; color: var(--slate); font-size: 0.95rem; }

.explorer__all { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--rule); }
.explorer__alltitle { font-weight: 600; color: var(--ink); }
.explorer__chartwrap { position: relative; margin-top: 16px; padding-left: 32px; }
.explorer__axis { position: absolute; left: 0; top: 0; height: 180px; width: 26px; }
.explorer__axis span { position: absolute; right: 0; transform: translateY(50%); font-size: 0.8rem; color: var(--slate); font-variant-numeric: tabular-nums; }
.explorer__chart { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.explorer__col {
  display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  padding: 0 0 6px; background: transparent; border: 0; border-radius: 2px; cursor: pointer; font: inherit;
}
.explorer__plot {
  position: relative; height: 180px; display: block;
  background-image: linear-gradient(to top, var(--rule) 1px, transparent 1px);
  background-size: 100% 22.222%; background-position: bottom;
}
.explorer__col.is-current .explorer__plot { background-color: rgba(193, 143, 70, 0.12); }
.explorer__col:hover .explorer__plot { background-color: rgba(10, 22, 40, 0.04); }
.explorer__stem { position: absolute; left: 50%; width: 2px; margin-left: -1px; background: var(--slate); opacity: 0.45; transition: bottom 0.5s ease, height 0.5s ease; }
.explorer__pt { position: absolute; left: 50%; width: 14px; height: 14px; margin: 0 0 -7px -7px; border-radius: 50%; transition: bottom 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.explorer__pt--a { background: var(--ink); }
.explorer__pt--b { background: var(--brass); }
.explorer__colname { font-size: 0.85rem; line-height: 1.3; color: var(--slate); text-align: center; }
.explorer__col.is-current .explorer__colname { color: var(--ink); font-weight: 600; }
.explorer__summary { margin-top: 14px; max-width: 72ch; }

.explorer__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 28px; }
.explorer__cta p { max-width: 46ch; color: var(--ink); font-weight: 500; }

@media (max-width: 900px) { .explorer__main { grid-template-columns: 1fr; } }
@media (max-width: 560px) {
  .explorer__grid { grid-template-columns: repeat(12, 12px); gap: 8px; }
  .explorer__dot { width: 12px; height: 12px; }
  .explorer__plot, .explorer__axis { height: 150px; }
  .explorer__colname { font-size: 0.75rem; }
}
@media (prefers-reduced-motion: reduce) {
  .explorer__fill, .explorer__stem, .explorer__pt { transition: none; }
}

/* ---------- Concise product briefs and sub-page breadcrumb ---------- */
.briefs { display: grid; }
.brief { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px clamp(32px, 5vw, 72px); padding: 32px 0 40px; border-top: 1px solid var(--ink); }
.brief:last-of-type { border-bottom: 1px solid var(--rule); }
.brief__name { font-size: var(--step-3); }
.brief .feature__type { margin-top: 8px; }
.brief__status { display: block; margin-top: 10px; font-size: 0.92rem; color: var(--slate); }
.brief__status--live { color: var(--brass-deep); font-weight: 500; }
.brief p { max-width: 62ch; }
.brief__meta { margin-top: 12px; color: var(--slate); font-size: 0.97rem; }
.brief .feature__actions { margin-top: 24px; }
@media (max-width: 800px) { .brief { grid-template-columns: 1fr; } }

.crumb { margin: 0 0 18px; font-size: 0.95rem; }
.page-hero .crumb { margin-top: 0; font-size: 0.95rem; max-width: none; }
.crumb a { color: var(--slate); text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; }
.crumb a:hover { color: var(--ink); }
.nav__links a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--brass); }
.drawer__links a[aria-current="true"] { color: var(--brass-deep); }
.briefs__more { margin-top: clamp(56px, 7vw, 88px); }

/* ---------- Insights: AI insight map ---------- */
.spectrum__more { margin-top: clamp(48px, 6vw, 72px); }
.spectrum__more h3 { font-size: var(--step-3); }

.imap { position: relative; padding: 32px 0; }
.imap__plot {
  position: relative; aspect-ratio: 16 / 10; margin: 0 auto;
  background:
    radial-gradient(ellipse 34% 40% at 24% 28%, rgba(176, 73, 47, 0.09), transparent 70%),
    radial-gradient(ellipse 34% 40% at 24% 74%, rgba(176, 73, 47, 0.06), transparent 70%),
    radial-gradient(ellipse 34% 40% at 76% 28%, rgba(42, 103, 160, 0.08), transparent 70%),
    radial-gradient(ellipse 34% 40% at 76% 74%, rgba(42, 103, 160, 0.06), transparent 70%),
    var(--paper);
  border: 1px solid var(--rule);
}
.imap__h { position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--ink); opacity: 0.5; }
.imap__v { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: var(--ink); opacity: 0.5; }
.imap__axis { position: absolute; font-size: 0.9rem; font-weight: 600; color: var(--ink); white-space: nowrap; }
.imap__axis--top { top: 6px; left: 50%; transform: translateX(-50%); }
.imap__axis--bottom { bottom: 6px; left: 50%; transform: translateX(-50%); }
.imap__axis--left, .imap__axis--right { top: 50%; transform: translateY(calc(-100% - 6px)); z-index: 1; }
.imap__axis--left { left: 12px; color: var(--human); }
.imap__axis--right { right: 12px; color: var(--ai); }
.imap__axis--left::before { content: "\2190  "; }
.imap__axis--right::after { content: "  \2192"; }

.imap__theme { position: absolute; max-width: 30%; display: flex; flex-direction: column; gap: 4px; }
.imap__theme--tl { top: 20px; left: 22px; }
.imap__theme--tr { top: 20px; right: 22px; text-align: right; }
.imap__theme--bl { bottom: 20px; left: 22px; }
.imap__theme--br { bottom: 20px; right: 22px; text-align: right; }
.imap__tname { font-family: var(--serif); font-size: 1.35rem; line-height: 1.15; }
.imap__theme--human .imap__tname { color: var(--human); }
.imap__theme--machine .imap__tname { color: var(--ai); }
.imap__tdesc { font-size: 0.88rem; line-height: 1.4; color: var(--slate); }

.imap__pt { position: absolute; display: flex; align-items: flex-start; gap: 9px; transform: translate(-7px, -7px); text-decoration: none; color: var(--ink); max-width: 230px; z-index: 1; }
.imap__dot { flex: none; width: 14px; height: 14px; border-radius: 50%; margin-top: 3px; box-shadow: 0 0 0 4px var(--paper); transition: transform 0.15s ease; }
.imap__pt--human .imap__dot { background: var(--human); }
.imap__pt--machine .imap__dot { background: var(--ai); }
.imap__label { font-family: var(--serif); font-size: 1.02rem; line-height: 1.25; }
.imap__date { display: flex; align-items: center; gap: 8px; margin-top: 3px; font-family: var(--sans); font-size: 0.8rem; color: var(--slate); }
.imap__pt:hover { z-index: 2; }
.imap__pt:hover .imap__dot { transform: scale(1.3); }
.imap__pt:hover .imap__label { text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 4px; }
.imap__latest, .index__date .imap__latest { font-size: 0.74rem; font-weight: 600; color: var(--paper); background: var(--brass-deep); padding: 1px 7px; border-radius: 2px; }

.index__title { margin-top: clamp(48px, 6vw, 72px); font-size: var(--step-3); }
.index { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 28px; margin-top: 24px; }
.index__col { padding-top: 16px; border-top: 2px solid var(--ink); }
.index__col--human { border-top-color: var(--human); }
.index__col--machine { border-top-color: var(--ai); }
.index__col h4 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: var(--step-2); line-height: 1.2; }
.index__col--human h4 { color: var(--human); }
.index__col--machine h4 { color: var(--ai); }
.index__col > p { margin-top: 8px; color: var(--slate); font-size: 0.95rem; }
.index__col ul { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.index__col li { padding: 12px 0; border-bottom: 1px solid var(--rule); }
.index__col li a { font-family: var(--serif); font-size: 1.08rem; line-height: 1.3; color: var(--ink); text-decoration: none; }
.index__col li a::after { content: " \2197"; font-family: var(--sans); font-size: 0.85em; color: var(--brass-deep); }
.index__col li a:hover { text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 4px; }
.index__date { display: flex; align-items: center; gap: 10px; margin-top: 4px; font-size: 0.86rem; color: var(--slate); }

@media (max-width: 1100px) { .index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 28px; } }
@media (max-width: 1000px) { .imap { display: none; } .index__title { margin-top: 0; } }
@media (max-width: 600px) { .index { grid-template-columns: 1fr; } }

/* ---------- The Vector & Value Matrix page ---------- */
.page-hero .edition { margin-top: 18px; font-size: 0.95rem; color: var(--slate); }

.vmx { position: relative; padding: 34px 0 34px 0; }
.vmx__axis { position: absolute; font-size: 0.9rem; font-weight: 600; color: var(--ink); white-space: nowrap; }
.vmx__axis--top { top: 6px; left: 50%; transform: translateX(-50%); }
.vmx__axis--bottom { bottom: 6px; left: 50%; transform: translateX(-50%); }
.vmx__axis--left { top: 8px; left: 0; color: var(--human); }
.vmx__axis--left::before { content: "\2190  "; }
.vmx__axis--right { top: 8px; right: 0; color: var(--ai); }
.vmx__axis--right::after { content: "  \2192"; }
.vmx__grid { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 1px solid var(--rule); background: var(--paper); }
.vmx__cell { position: relative; display: flex; flex-direction: column; gap: 8px; padding: clamp(24px, 3.4vw, 44px); text-decoration: none; color: var(--ink-soft); transition: background-color 0.2s ease; }
.vmx__cell:nth-child(1), .vmx__cell:nth-child(2) { border-bottom: 1px solid var(--rule); }
.vmx__cell:hover { background: rgba(193, 143, 70, 0.07); }
.vmx__cell--human { box-shadow: inset 0 3px 0 var(--human); }
.vmx__cell--machine { box-shadow: inset 0 3px 0 var(--ai); }
.vmx__cell:nth-child(3), .vmx__cell:nth-child(4) { box-shadow: none; }
.vmx__cell:nth-child(3)::after, .vmx__cell:nth-child(4)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; }
.vmx__cell:nth-child(3)::after { background: var(--human); }
.vmx__cell:nth-child(4)::after { background: var(--ai); }
.vmx__cell:nth-child(2), .vmx__cell:nth-child(4) { text-align: right; align-items: flex-end; }
.vmx__pos { display: none; font-size: 0.85rem; color: var(--slate); }
.vmx__name { font-family: var(--serif); font-size: clamp(2rem, 3.6vw, 2.9rem); line-height: 1; letter-spacing: -0.015em; }
.vmx__cell--human .vmx__name { color: var(--human); }
.vmx__cell--machine .vmx__name { color: var(--ai); }
.vmx__q { font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--ink); }
.vmx__what { max-width: 36ch; color: var(--slate); font-size: 0.97rem; }
.vmx__line { position: absolute; top: 0; bottom: 0; left: 50%; width: 0; border-left: 1.5px solid var(--ink); pointer-events: none; }
.vmx__line span {
  position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%);
  background: var(--paper); padding: 6px 10px; border: 1.5px solid var(--ink); border-radius: 2px;
  font-size: 0.82rem; font-weight: 600; color: var(--ink); white-space: nowrap;
}

.read { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px clamp(32px, 6vw, 96px); margin-top: clamp(48px, 6vw, 72px); }
.read h2 { font-size: var(--step-3); }
.read__body p { max-width: 64ch; }
.read__body p + p { margin-top: 16px; }
.read__body strong { color: var(--ink); }

.zones { display: grid; gap: clamp(40px, 5vw, 64px); }
.zone { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 20px clamp(32px, 6vw, 96px); padding-top: 28px; border-top: 2px solid var(--ink); scroll-margin-top: 96px; }
.zone--human { border-top-color: var(--human); }
.zone--machine { border-top-color: var(--ai); }
.zone h3 { font-size: var(--step-4); line-height: 1; }
.zone--human h3 { color: var(--human); }
.zone--machine h3 { color: var(--ai); }
.zone__q { margin-top: 12px; font-family: var(--serif); font-style: italic; font-size: 1.3rem; color: var(--ink); }
.zone__pos { margin-top: 8px; font-size: 0.9rem; color: var(--slate); }
.zone__what { font-size: var(--step-1); line-height: 1.5; color: var(--ink); max-width: 56ch; }
.zone__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 32px; margin-top: 24px; }
.zone__cols h4, .zone__facts dt { margin: 0 0 8px; font-family: var(--sans); font-size: 0.92rem; font-weight: 600; color: var(--ink); }
.zone__cols ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.zone__cols li { padding: 9px 0 9px 18px; border-bottom: 1px solid var(--rule); position: relative; font-size: 0.97rem; }
.zone__cols li::before { content: ""; position: absolute; left: 0; top: 19px; width: 8px; height: 1.5px; background: var(--brass); }
.zone__facts { margin: 24px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px 32px; }
.zone__facts dd { margin: 0; font-size: 0.97rem; }
.zone__facts dd a { display: block; margin-bottom: 6px; color: var(--ink); text-decoration-color: var(--brass); text-underline-offset: 3px; }

.assess { background: var(--paper); border: 1px solid var(--rule); border-top: 2px solid var(--ink); padding: clamp(20px, 3vw, 36px); }
.assess__form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 40px; }
.assess__form > .btn, .assess__hint { grid-column: 1 / -1; justify-self: start; }
.assess__hint { color: var(--human); font-size: 0.95rem; }
.assess__hint:empty { display: none; }
.assess__q { margin: 0; padding: 0; border: 0; min-width: 0; }
.assess__q legend { display: flex; gap: 10px; padding: 0; margin-bottom: 10px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.assess__q.is-missing legend { color: var(--human); }
.assess__n { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: var(--paper); font-size: 0.8rem; display: inline-flex; align-items: center; justify-content: center; margin-top: 1px; }
.assess__opts { display: flex; flex-wrap: wrap; gap: 8px; }
.assess__opts label { cursor: pointer; }
.assess__opts input { position: absolute; opacity: 0; pointer-events: none; }
.assess__opts span { display: inline-block; padding: 8px 12px; border: 1px solid var(--rule); border-radius: 2px; font-size: 0.93rem; color: var(--ink-soft); transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease; }
.assess__opts label:hover span { border-color: var(--ink); }
.assess__opts input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.assess__opts input:focus-visible + span { outline: 2px solid var(--brass); outline-offset: 2px; }
.assess__result { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 28px clamp(28px, 4vw, 56px); align-items: start; }
.assess__result[hidden] { display: none; }
.assess__mini { position: relative; aspect-ratio: 1; display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--rule); background: var(--paper-2); }
.assess__mini::before, .assess__mini::after { content: ""; position: absolute; background: var(--ink); opacity: 0.5; }
.assess__mini::before { left: 50%; top: 0; bottom: 0; width: 1.5px; }
.assess__mini::after { top: 50%; left: 0; right: 0; height: 1px; }
.assess__mq { padding: 14px; font-family: var(--serif); font-size: 1.15rem; color: var(--slate); opacity: 0.6; }
.assess__mq:nth-child(2), .assess__mq:nth-child(4) { text-align: right; }
.assess__mq:nth-child(3), .assess__mq:nth-child(4) { align-self: end; }
.assess__mq.is-on { opacity: 1; color: var(--ink); font-weight: 500; }
.assess__dot { position: absolute; width: 22px; height: 22px; margin: -11px 0 0 -11px; border-radius: 50%; border: 3px solid var(--paper); box-shadow: 0 0 0 2px var(--brass); transition: left 0.5s ease, top 0.5s ease; }
.assess__dot--human { background: var(--human); }
.assess__dot--machine { background: var(--ai); }
.assess__zone { font-family: var(--serif); font-size: var(--step-3); line-height: 1.15; color: var(--ink); }
.assess__zone a { color: inherit; text-decoration-color: var(--brass); text-underline-offset: 5px; }
.assess__q2 { margin-top: 10px; font-family: var(--serif); font-style: italic; font-size: 1.2rem; }
.assess__near { margin-top: 12px; color: var(--slate); }
.assess__near:empty { display: none; }
.assess__facts { margin: 20px 0 0; border-top: 1px solid var(--rule); }
.assess__facts div { padding: 12px 0; border-bottom: 1px solid var(--rule); }
.assess__facts dt { font-weight: 600; color: var(--ink); font-size: 0.92rem; }
.assess__facts dd { margin: 2px 0 0; }

.lindex__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-bottom: 20px; }
.lindex__filters { display: flex; flex-wrap: wrap; gap: 8px; }
.lindex__filters button { font: inherit; font-size: 0.93rem; font-weight: 500; padding: 8px 14px; background: transparent; border: 1px solid var(--rule); border-radius: 2px; color: var(--ink-soft); cursor: pointer; }
.lindex__filters button:hover { border-color: var(--ink); }
.lindex__filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.lindex__count { font-variant-numeric: tabular-nums; opacity: 0.7; }
.lindex { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.lindex__item { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 8px 32px; padding: 24px 0; border-bottom: 1px solid var(--rule); }
.lindex__meta { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; font-size: 0.93rem; color: var(--slate); }
.lindex__zone { font-size: 0.8rem; font-weight: 600; padding: 2px 8px; border-radius: 2px; color: var(--paper); }
.lindex__zone--human { background: var(--human); }
.lindex__zone--machine { background: var(--ai); }
.lindex__main h3 { font-size: 1.35rem; line-height: 1.25; margin-bottom: 10px; }
.lindex__main p { max-width: 70ch; font-size: 0.98rem; }
.lindex__main p + p { margin-top: 6px; }
.lindex__main strong { color: var(--ink); }
.lindex__links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px !important; font-size: 0.93rem; }
.lindex__empty { padding: 24px 0; color: var(--slate); }

.about-fw { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 24px clamp(32px, 6vw, 96px); }
.about-fw h2 { font-size: var(--step-3); }
.about-fw__lede { margin-top: 14px; color: var(--slate); max-width: 38ch; }
.about-fw__body h3 { font-family: var(--sans); font-size: 1rem; font-weight: 600; color: var(--ink); letter-spacing: 0; margin: 28px 0 8px; }
.about-fw__body h3:first-child { margin-top: 0; }
.about-fw__body p { max-width: 66ch; }
.cite { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding: 16px 18px; background: var(--paper); border: 1px solid var(--rule); }
.cite__text { flex: 1 1 320px; font-size: 0.95rem; }
.revisions { margin: 0; padding-left: 18px; }

@media (max-width: 900px) {
  .read, .zone, .about-fw, .assess__result { grid-template-columns: 1fr; }
  .assess__form { grid-template-columns: 1fr; }
  .zone__facts { grid-template-columns: 1fr; }
  .assess__mini { max-width: 320px; }
}
@media (max-width: 760px) {
  .vmx { padding: 0; }
  .vmx__axis, .vmx__line { display: none; }
  .vmx__grid { grid-template-columns: 1fr; }
  .vmx__cell, .vmx__cell:nth-child(2), .vmx__cell:nth-child(4) { text-align: left; align-items: flex-start; border-bottom: 1px solid var(--rule); }
  .vmx__pos { display: block; }
  .zone__cols { grid-template-columns: 1fr; }
  .lindex__item { grid-template-columns: 1fr; }
  .lindex__meta { flex-direction: row; align-items: center; }
}
.assess__form[hidden] { display: none; }

/* ---------- The Matrix Vector ---------- */
.mv { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 28px clamp(32px, 5vw, 72px); align-items: center; background: var(--paper); border: 1px solid var(--rule); border-top: 2px solid var(--ink); padding: clamp(20px, 3vw, 36px); }
.mv__dial { max-width: 400px; margin: 0 auto; }
.mv__dial svg { width: 100%; height: auto; display: block; }
.mv__legend { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 10px; margin-top: 10px; font-size: 0.85rem; color: var(--slate); }
.mv__lg { display: inline-block; vertical-align: middle; }
.mv__lg--needle { width: 22px; height: 7px; background: var(--brass); border: 1px solid var(--brass-deep); clip-path: polygon(0 50%, 100% 0, 100% 100%); transform: scaleX(-1); }
.mv__lg--ghost { width: 22px; height: 0; border-top: 1.5px dashed var(--slate); margin-left: 8px; }
.mv__lg--ghost[hidden], .mv__ghostlbl[hidden] { display: none; }
.mv__lg--dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(90deg, var(--human) 50%, var(--ai) 50%); margin-left: 8px; }
.mv__download { margin-top: 22px; }
.mv__frame { fill: var(--paper-2); stroke: var(--rule); }
.mv__axis { stroke: var(--ink); stroke-width: 1.2; opacity: 0.55; }
.mv__axis--h { stroke-width: 0.8; }
.mv__q { font-family: var(--serif); font-size: 13px; }
.mv__q--human { fill: var(--human); }
.mv__q--machine { fill: var(--ai); }
.mv__arrow { stroke: var(--brass-deep); stroke-width: 4; stroke-linecap: round; transition: all 0.5s ease; }
.mv__head { fill: var(--brass-deep); }
.mv__origin { fill: var(--ink); }
.mv__period { display: inline-flex; align-items: center; gap: 10px; font-size: 0.92rem; font-weight: 600; color: var(--ink); }
.mv__select { font: inherit; font-weight: 400; padding: 7px 10px; border: 1px solid var(--rule); border-radius: 2px; background: #fff; color: var(--ink); }
.mv__headline { margin-top: 16px; font-family: var(--serif); font-size: var(--step-2); line-height: 1.25; color: var(--ink); }
.mv__stats { display: flex; flex-wrap: wrap; gap: 12px 36px; margin: 20px 0 0; }
.mv__stats dt { font-size: 0.85rem; color: var(--slate); }
.mv__stats dd { margin: 2px 0 0; font-family: var(--serif); font-size: 1.6rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.mv__bars { margin-top: 20px; display: grid; gap: 8px; max-width: 460px; }
.mv__bar { display: grid; grid-template-columns: 84px minmax(0, 1fr) 28px; gap: 12px; align-items: center; font-size: 0.93rem; }
.mv__btrack { height: 8px; background: var(--paper-2); }
.mv__btrack span { display: block; height: 100%; transition: width 0.5s ease; }
.mv__bar--human .mv__bname { color: var(--human); }
.mv__bar--machine .mv__bname { color: var(--ai); }
.mv__bar--human .mv__btrack span { background: var(--human); }
.mv__bar--machine .mv__btrack span { background: var(--ai); }
.mv__bval { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink); }
.mv__method { margin-top: 20px; }
.mv__method summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.mv__method > div { margin-top: 12px; max-width: 72ch; }
.mv__method p + p, .mv__method ul + p { margin-top: 10px; }
.mv__method ul { margin: 8px 0 0; padding-left: 20px; }
.lindex__impact { font-size: 0.85rem; color: var(--slate); }
@media (max-width: 900px) { .mv { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .mv__arrow, .mv__btrack span { transition: none; } }
.section--tint .lindex__filters button { background: var(--paper); }
.section--tint .lindex__filters button[aria-pressed="true"] { background: var(--ink); }

/* ---------- Colour key: measure / owner / watch ---------- */
:root { --k-measure: #2E7360; --k-measure-bg: rgba(46, 115, 96, 0.08); --k-owner: #0A1628; --k-owner-bg: rgba(10, 22, 40, 0.05); --k-watch: #A2621A; --k-watch-bg: rgba(162, 98, 26, 0.1); }
.assess__facts { border-top: 0; display: grid; gap: 10px; }
.assess__facts div { padding: 12px 16px; border-bottom: 0; border-left-width: 4px; border-left-style: solid; border-radius: 0 2px 2px 0; }
.assess__facts .k-measure, .zone__facts .k-measure { border-color: var(--k-measure); background: var(--k-measure-bg); }
.assess__facts .k-owner, .zone__facts .k-owner { border-color: var(--k-owner); background: var(--k-owner-bg); }
.assess__facts .k-watch, .zone__facts .k-watch { border-color: var(--k-watch); background: var(--k-watch-bg); }
.k-measure dt, .k-measure h4 { color: var(--k-measure) !important; }
.k-owner dt { color: var(--k-owner) !important; }
.k-watch dt { color: var(--k-watch) !important; }
.k-watch dt::before { content: "\26A0\FE0E  "; }
.zone__facts .k-owner, .zone__facts .k-watch { padding: 10px 14px; border-left-width: 4px; border-left-style: solid; border-radius: 0 2px 2px 0; }
.zone__facts .k-owner { border-left-color: var(--k-owner); }
.zone__facts .k-watch { border-left-color: var(--k-watch); }
.zone__cols .k-measure ul { border-top-color: var(--k-measure); }
.zone__cols .k-measure li::before { background: var(--k-measure); }

/* ---------- Matrix Vector over time ---------- */
.mv-trend { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--rule); }
.mv-trend__title { font-size: var(--step-2); }
.mv-trend__wait { margin-top: 8px; color: var(--slate); max-width: 70ch; }
.mv-trend__charts { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 24px 40px; margin-top: 20px; }
.mv-trend__charts[hidden] { display: none; }
.mv-trend__fig { margin: 0; }
.mv-trend__fig svg { width: 100%; height: auto; display: block; }
.mv-trend__fig figcaption { margin-top: 8px; font-size: 0.9rem; color: var(--slate); }
.mv-trend__path { fill: none; stroke: var(--brass-deep); stroke-width: 1.6; stroke-dasharray: 3 3; }
.mv-trend__pt { fill: var(--brass-deep); }
.mv-trend__pt.is-last { fill: var(--brass); stroke: var(--paper); stroke-width: 2; }
.mv-trend__lbl { font-size: 11px; font-weight: 600; fill: var(--ink); }
.mv-trend__grid { stroke: var(--rule); stroke-width: 1; }
.mv-trend__grid.is-zero { stroke: var(--ink); opacity: 0.5; }
.mv-trend__tick { font-size: 10px; fill: var(--slate); }
.mv-trend__line { fill: none; stroke-width: 2.2; }
.mv-trend__line.is-x { stroke: var(--ai); }
.mv-trend__line.is-y { stroke: var(--brass-deep); }
.mv-trend__dot.is-x { fill: var(--ai); }
.mv-trend__dot.is-y { fill: var(--brass-deep); }
.mv-key { font-weight: 600; }
.mv-key--x { color: var(--ai); }
.mv-key--y { color: var(--brass-deep); }
@media (max-width: 900px) { .mv-trend__charts { grid-template-columns: 1fr; } }
.mv__li { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.mv__li--ghost:has([hidden]) { display: none; }
.mv__lg--ghost { border-top: 2px dashed var(--ink); opacity: 0.7; margin-left: 0; }
.mv__lg--dot { margin-left: 0; }

/* ---------- Matrix hooks: home band and Insights card ---------- */
.mv-mini { display: block; }
.mv-mini svg { width: 100%; height: auto; display: block; }
.mband { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 32px clamp(32px, 6vw, 88px); align-items: center; }
.mband__compass { display: block; max-width: 360px; width: 100%; justify-self: center; background: var(--paper); border-radius: 6px; padding: 14px; transition: transform 0.2s ease; }
.mband__compass:hover { transform: translateY(-2px); }
.mband__name { font-size: 0.95rem; font-weight: 600; color: var(--brass-light); }
.mband h2 { margin-top: 12px; font-size: var(--step-4); max-width: 24ch; }
.mband__sub { margin-top: 16px; max-width: 48ch; }
.mband__vector { margin-top: 18px; padding-left: 14px; border-left: 2px solid var(--brass); font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--paper); max-width: 52ch; }
.mband__vector:empty { display: none; }
.mband__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.mcard-section { padding: clamp(40px, 5vw, 64px) 0; }
.mcard { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px 44px; align-items: center; padding: clamp(20px, 3vw, 32px); background: #FFFFFF; border: 1px solid var(--rule); border-top: 3px solid var(--ink); box-shadow: 0 1px 0 rgba(10, 22, 40, 0.04); }
.mcard__compass { display: block; width: 240px; background: var(--paper); border-radius: 6px; padding: 10px; }
.mcard__name { font-size: 0.92rem; font-weight: 600; color: var(--brass-deep); }
.mcard h2 { margin-top: 6px; font-size: var(--step-3); }
.mcard__vector { margin-top: 10px; font-family: var(--serif); font-style: italic; font-size: 1.12rem; color: var(--ink); max-width: 60ch; }
.mcard__vector:empty { display: none; }
.mcard__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 20px; }
@media (max-width: 900px) {
  .mband { grid-template-columns: 1fr; }
  .mband__compass { max-width: 300px; }
}
@media (max-width: 640px) {
  .mcard { grid-template-columns: 1fr; }
  .mcard__compass { width: 200px; }
}
.mcard__desc { margin-top: 8px; max-width: 62ch; color: var(--ink-soft); }
.mcard__vector { padding-left: 12px; border-left: 2px solid var(--brass); }

/* ---------- AI Portfolio Matrix (private tool) ---------- */
.pt-private { margin-top: 18px; max-width: 62ch; font-size: 0.97rem !important; padding: 12px 16px; background: var(--paper-2); border-left: 3px solid var(--k-measure, #2E7360); }
.pt-toolbar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; }
.pt-field { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; font-weight: 600; color: var(--ink); min-width: 0; }
.pt-field input, .pt-field select { font: inherit; font-weight: 400; font-size: 0.95rem; padding: 9px 11px; border: 1px solid var(--rule); border-radius: 2px; background: #fff; color: var(--ink); width: 100%; }
.pt-field input:focus, .pt-field select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.pt-field--inline { flex-direction: row; align-items: center; gap: 10px; }
.pt-field--inline select { width: auto; }
.pt-import { position: relative; overflow: hidden; }
.pt-import input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.pt-orgfield { margin-top: 18px; max-width: 420px; }
.pt-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px; margin-top: 28px; align-items: start; }
.pt-left__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.pt-left h2 { font-size: var(--step-2); }
.pt-count { font-family: var(--sans); font-size: 0.9rem; color: var(--slate); margin-left: 6px; }
.pt-list { list-style: none; margin: 16px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.pt-item { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.pt-item.is-dim { opacity: 0.4; }
.pt-num { width: 26px; height: 26px; border-radius: 50%; color: #fff; font-size: 0.8rem; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; }
.pt-item__name { font-weight: 600; color: var(--ink); line-height: 1.35; }
.pt-item__meta { margin-top: 2px; font-size: 0.88rem; color: var(--slate); }
.pt-zone { font-weight: 600; }
.pt-zone--human { color: var(--human); }
.pt-zone--machine { color: var(--ai); }
.pt-flags { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px; }
.pt-flag { font-size: 0.78rem; padding: 2px 8px; border-radius: 2px; background: #fff; border: 1px solid var(--rule); color: var(--ink-soft); }
.pt-flag--owner { background: rgba(176, 73, 47, 0.12); color: #8E3A25; }
.pt-flag--measure { background: var(--k-watch-bg, rgba(162, 98, 26, 0.1)); color: #7A4A12; }
.pt-flag--drift { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pt-item__actions { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.pt-link { font: inherit; font-size: 0.85rem; background: none; border: 0; padding: 0; color: var(--ink); text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; cursor: pointer; }
.pt-link--danger { color: var(--slate); }
.pt-empty { padding: 16px 0; color: var(--slate); list-style: none; }
.pt-form { margin-top: 16px; padding: 18px; background: #fff; border: 1px solid var(--rule); border-top: 2px solid var(--ink); display: grid; gap: 12px; }
.pt-form[hidden] { display: none; }
.pt-form__title { font-size: 1.3rem; }
.pt-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pt-qs { display: grid; gap: 10px; }
.pt-qs .pt-field span { font-weight: 500; }
.pt-check { display: flex; gap: 10px; align-items: center; font-size: 0.93rem; color: var(--ink); }
.pt-form__actions { display: flex; gap: 10px; }
.pt-deptfield { margin-bottom: 12px; }
.pt-panel { background: #fff; border: 1px solid var(--rule); padding: 18px; }
.pt-panel + .pt-panel { margin-top: 16px; }
.pt-panel h3 { font-size: 1.25rem; margin-bottom: 8px; }
.pt-panel--compass { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 20px; align-items: center; }
.pt-map svg, .pt-compass svg { width: 100%; height: auto; display: block; }
.pt-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; font-size: 0.85rem; color: var(--ink-soft); }
.pt-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: 0; }
.pt-note { margin-top: 6px; font-size: 0.82rem; color: var(--slate); }
.pt-headline { font-family: var(--serif); font-size: 1.25rem; line-height: 1.3; color: var(--ink); }
.pt-gap { margin-top: 10px; font-size: 0.95rem; }
.pt-key { margin-top: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 0.82rem; color: var(--slate); }
.pt-key__int { width: 22px; height: 8px; background: var(--brass); clip-path: polygon(0 50%, 100% 0, 100% 100%); transform: scaleX(-1); }
.pt-key__ext { width: 22px; height: 0; border-top: 2px dashed var(--ink); margin-left: 8px; }
.pm-q--human { fill: rgba(176, 73, 47, 0.07); } .pm-q--machine { fill: rgba(42, 103, 160, 0.07); }
.pm-q--low { fill-opacity: 0.7; }
.pm-band { fill: rgba(193, 143, 70, 0.12); }
.pm-frame { fill: none; stroke: var(--rule); }
.pm-axis { stroke: var(--ink); stroke-opacity: 0.4; }
.pm-jline { stroke: var(--ink); stroke-width: 2; }
.pm-zone { font-family: var(--serif); font-size: 17px; }
.pm-zone--human { fill: var(--human); } .pm-zone--machine { fill: var(--ai); }
.pm-axlab { font-family: var(--sans); font-size: 11px; font-weight: 600; fill: var(--slate); }
.pm-dot circle { stroke: #fff; stroke-width: 2; fill-opacity: 0.92; }
.pm-num { font-family: var(--sans); font-size: 11px; font-weight: 700; fill: #fff; pointer-events: none; }
.pc-half--human { fill: rgba(176, 73, 47, 0.08); } .pc-half--machine { fill: rgba(42, 103, 160, 0.08); }
.pc-ring { fill: none; stroke: var(--rule); stroke-dasharray: 2 3; }
.pc-rim { fill: none; stroke: var(--ink); stroke-opacity: 0.45; stroke-width: 1.2; }
.pc-jline { stroke: var(--ink); stroke-opacity: 0.6; stroke-width: 1.2; }
.pc-axis { stroke: var(--ink); stroke-opacity: 0.3; }
.pc-tick { stroke: var(--ink); stroke-width: 1.1; } .pc-tick.is-major { stroke-width: 2; }
.pc-zone { font-family: var(--serif); font-size: 17px; }
.pc-zone--human { fill: var(--human); } .pc-zone--machine { fill: var(--ai); }
.pc-int { fill: var(--brass); stroke: var(--brass-deep); stroke-width: 1.2; }
.pc-ext { fill: rgba(244, 244, 240, 0.6); stroke: var(--ink); stroke-width: 1.6; stroke-dasharray: 4 2.5; stroke-opacity: 0.75; }
.pc-hub { fill: var(--ink); }
.pt-summary-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px 48px; }
.pt-summary-grid h3 { font-size: 1.3rem; margin-bottom: 12px; }
.pt-sub { margin-top: 28px; }
.pt-summary { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.pt-summary th, .pt-summary td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--rule); }
.pt-summary thead th { font-size: 0.82rem; color: var(--slate); font-weight: 600; border-bottom: 1px solid var(--ink); }
.pt-summary td { font-variant-numeric: tabular-nums; }
.pt-summary td.is-bad { color: #8E3A25; font-weight: 700; }
.pt-summary td.is-warn { color: #7A4A12; font-weight: 600; }
.pt-watch { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.pt-watch li { padding: 10px 0; border-bottom: 1px solid var(--rule); font-size: 0.95rem; }
.pt-watch li span { color: var(--slate); font-size: 0.88rem; }
.pt-actions { margin: 0; padding-left: 20px; display: grid; gap: 10px; }
.pt-actions li { padding-left: 4px; }
.pt-print-head { display: none; }
.pt-print-list { display: none; }
@media (max-width: 1000px) { .pt-grid, .pt-summary-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .pt-panel--compass { grid-template-columns: 1fr; } .pt-row { grid-template-columns: 1fr; } .pt-summary { font-size: 0.85rem; } }

/* Board pack print layout */
@media print {
  @page { size: A4 portrait; margin: 14mm; }
  body { background: #fff; font-size: 10.5pt; }
  .topbar, .drawer, .footer, .skip-link, .pt-hero, .pt-toolbar, .pt-orgfield, .pt-left, .pt-deptfield, .pt-boardpack .head p, .pt-boardpack .fineprint, .section--dark, .vv-consent { display: none !important; }
  .section, .section--tint { padding: 0 !important; background: #fff !important; }
  .wrap { max-width: none; padding: 0; }
  .pt-grid { display: block; margin: 0; }
  .pt-print-head { display: block; margin-bottom: 8mm; border-bottom: 2px solid #0A1628; padding-bottom: 4mm; }
  .pt-print-org { font-family: var(--serif); font-size: 20pt; color: #0A1628; }
  .pt-print-date { color: #5B6675; }
  .pt-panel { border: 0; padding: 0; break-inside: avoid; }
  .pt-map { max-width: 112mm; }
  .pt-print-list { display: block !important; columns: 2; column-gap: 8mm; margin: 3mm 0 0; padding-left: 5mm; font-size: 8.5pt; }
  .pt-print-list span { color: #5B6675; }
  .pt-legend, .pt-note { font-size: 8pt; }
  .pt-panel--compass { grid-template-columns: 55mm 1fr; margin-top: 2mm; }
  .pt-panel + .pt-panel { margin-top: 2mm; }
  .pt-panel h3 { font-size: 12pt; margin-bottom: 2mm; }
  .pt-boardpack { break-before: page; }
  .pt-summary-grid { grid-template-columns: 1fr; gap: 6mm; }
  .head { margin-bottom: 4mm; }
}

/* ---------- Boards page: case studies ---------- */
.bcases { display: grid; gap: clamp(32px, 4vw, 48px); }
.bcase { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 20px clamp(28px, 5vw, 72px); padding: clamp(20px, 3vw, 32px); background: #fff; border: 1px solid var(--rule); border-top: 3px solid var(--ink); scroll-margin-top: 96px; }
.bcase__who { font-size: 0.9rem; font-weight: 600; color: var(--brass-deep); }
.bcase h3 { margin-top: 8px; font-size: var(--step-3); line-height: 1.15; }
.bcase__org { margin-top: 12px; color: var(--slate); font-size: 0.95rem; }
.bcase__head .btn { margin-top: 20px; }
.bcase__body h4 { margin: 0 0 8px; font-family: var(--sans); font-size: 0.95rem; font-weight: 600; color: var(--ink); }
.bcase__body h4:not(:first-child) { margin-top: 20px; }
.bcase__body p { max-width: 66ch; }
.bcase__body ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; max-width: 70ch; }
.bcase__body .k-measure-h { color: var(--k-measure, #2E7360); }
.bcase__decisions li::marker { color: var(--k-measure, #2E7360); }
@media (max-width: 900px) { .bcase { grid-template-columns: 1fr; } }
.pt-key__item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.pt-key__ext { margin-left: 0; }

/* ---------- Confidentiality and disclaimer ---------- */
.terms { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px clamp(32px, 6vw, 88px); }
.terms h2 { font-size: var(--step-3); }
.terms p, .terms ul { margin-top: 12px; max-width: 66ch; font-size: 0.97rem; }
.terms ul { padding-left: 20px; display: grid; gap: 8px; }
.terms strong { color: var(--ink); }
.terms > div:first-child { padding: 22px; background: #fff; border: 1px solid var(--rule); border-top: 3px solid var(--k-measure, #2E7360); align-self: start; }
.terms > div:last-child p { color: var(--ink-soft); }
.terms-note { margin-top: 24px; max-width: 80ch; }
@media (max-width: 900px) { .terms { grid-template-columns: 1fr; } }

/* ---------- Portfolio review hooks ---------- */
.mband__more { margin-top: 16px; font-size: 0.95rem; color: var(--on-dark); }
.mband__more a, .mcard__more a { text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; }
.mband__more a { color: var(--paper); }
.mcard__more { margin-top: 14px; font-size: 0.95rem; color: var(--ink-soft); }
.mcard__more a { color: var(--ink); font-weight: 500; }
.assess__portfolio { margin-top: 22px; padding: 16px 18px; background: var(--ink); color: var(--on-dark); border-radius: 2px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.assess__portfolio p { flex: 1 1 260px; color: var(--paper); font-size: 0.97rem; }
.cfeat-section { padding-bottom: 0; }
.cfeat { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px 44px; align-items: center; padding: clamp(20px, 3vw, 32px); background: #fff; border: 1px solid var(--rule); border-top: 3px solid var(--brass); }
.cfeat__compass { width: 240px; background: var(--paper); border-radius: 6px; padding: 10px; }
.cfeat__label { font-size: 0.92rem; font-weight: 600; color: var(--brass-deep); }
.cfeat h2 { margin-top: 6px; font-size: var(--step-3); }
.cfeat__text > p:not(.cfeat__label) { margin-top: 10px; max-width: 66ch; }
.cfeat__nda { color: var(--k-measure, #2E7360); font-weight: 600; font-size: 0.95rem; }
.cfeat__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
@media (max-width: 760px) { .cfeat { grid-template-columns: 1fr; } .cfeat__compass { width: 200px; } }
.hero__more { margin-top: 14px !important; font-size: 0.95rem !important; color: var(--slate); }
.hero__more a { color: var(--ink); font-weight: 500; text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; }
.pt-flag--margin { background: rgba(42, 103, 160, 0.1); color: #1F4E7A; border-color: rgba(42, 103, 160, 0.25); }
.inv-qs { margin: 0; padding-left: 22px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 40px; max-width: 1100px; }
.inv-qs li { padding-left: 4px; }
.inv-qs strong { color: var(--ink); }
@media (max-width: 800px) { .inv-qs { grid-template-columns: 1fr; } }
.pt-flag--roi { background: rgba(193, 143, 70, 0.14); color: #6E4E16; border-color: rgba(193, 143, 70, 0.35); }
.lindex__terms { font-size: 0.85rem; color: var(--slate); margin-left: 6px; }
.lindex__terms a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--brass); text-underline-offset: 3px; }
.pt-hint { font-weight: 400; font-size: 0.82rem; color: var(--slate); line-height: 1.4; }

/* ---------- Model Register: page art and feature placements ---------- */
:root { --card: #FFFFFF; --teal: #3E7F74; }
.mra, .cra, .avs {
  --mra-ink: var(--ink); --mra-ink2: var(--slate); --mra-surface: var(--card); --mra-wash: var(--paper);
  --mra-rule: var(--rule); --mra-blue: var(--ai); --mra-rust: var(--human); --mra-teal: var(--teal); --mra-brass: var(--brass);
}
.mr-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.mr-hero__art { margin: 0; }
.mr-hero__art svg { width: 100%; max-width: 440px; height: auto; margin-left: auto; }
.mcard--models { margin-top: 40px; }
.mcard__art { display: block; }
.mcard__art svg { width: 100%; max-width: 260px; height: auto; margin: 0 auto; }
.mrband { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 32px clamp(32px, 6vw, 88px); align-items: center; }
.mrband__name { font-size: 0.95rem; font-weight: 600; color: var(--brass-deep); }
.mrband h2 { margin-top: 12px; font-size: var(--step-4); max-width: 24ch; }
.mrband__sub { margin-top: 18px; max-width: 58ch; }
.mrband__more { margin-top: 18px; }
.mrband__art { display: block; justify-self: end; width: 100%; max-width: 400px; }
.mrband__art svg { width: 100%; height: auto; }
@media (max-width: 900px) {
  .mr-hero, .mrband { grid-template-columns: 1fr; gap: 28px; }
  .mr-hero__art svg { max-width: 340px; margin: 0 auto; }
  .mrband__art { justify-self: center; max-width: 320px; }
}

/* ---------- Theme switch ---------- */
.nav { margin-left: auto; }
.theme-toggle {
  flex: none; display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; padding: 0; border: 1px solid var(--rule); border-radius: 50%;
  background: transparent; color: var(--ink); cursor: pointer; transition: border-color 0.15s ease;
}
.theme-toggle:hover { border-color: var(--ink); }
.theme-toggle svg { width: 18px; height: 18px; display: block; }
.theme-toggle__sun { display: none !important; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.theme-toggle__moon { fill: currentColor; }
html[data-theme="dark"] .theme-toggle__sun { display: block !important; }
html[data-theme="dark"] .theme-toggle__moon { display: none; }
@media (max-width: 900px) { .theme-toggle { margin-left: auto; } }

/* ---------- Dark theme (screen only; printing always uses the light theme) ---------- */
@media screen {
  html[data-theme="dark"] {
    color-scheme: dark;
    --ink: #EEEDE6; --ink-soft: #C5CBD4; --slate: #98A2B0;
    --paper: #0C1526; --paper-2: #131F36; --rule: #2B3B57; --card: #121E34;
    --brass: #D2A15B; --brass-deep: #E2B874; --brass-light: #E8C48A;
    --human: #DE7D61; --ai: #6FA6DD; --teal: #5FB0A0;
    --on-dark: rgba(238, 237, 230, 0.74); --line-dark: rgba(238, 237, 230, 0.18);
    --k-measure: #5FB0A0; --k-measure-bg: rgba(95, 176, 160, 0.12);
    --k-owner: #EEEDE6; --k-owner-bg: rgba(238, 237, 230, 0.06);
    --k-watch: #E2A35A; --k-watch-bg: rgba(226, 163, 90, 0.12);
    /* the Model Register tool reads these through its own variables */
    --t-paper: #0C1526; --t-surface: #121E34; --t-ink: #EEEDE6; --t-ink-2: #A9B2C1; --t-rule: #2B3B57;
    --t-brass: #D4A55E; --t-brass-ink: #D9AE6C; --t-human: #E0775A; --t-machine: #6AA4DB;
    --t-l-full: #ECEBE4; --t-l-swa: #D4A55E; --t-l-sparse: #6AA4DB; --t-l-linear: #E0775A; --t-l-ssm: #6DB3A6;
    --t-hatch: #33476A; --t-hl: rgba(212, 165, 94, 0.18);
    --t-teal: #5FB0A0; --t-warn: #E8B572;
    --t-m-nvidia: #5FB0A0; --t-m-amd: #E0775A; --t-m-google: #6FA6DD; --t-m-aws: #D4A55E; --t-m-huawei: #C9705A; --t-m-intel: #98A2B0;
  }
  html[data-theme="dark"] .topbar { background: rgba(12, 21, 38, 0.92); }
  html[data-theme="dark"] .section--dark { background: #060C18; border-top: 1px solid #18243B; border-bottom: 1px solid #18243B; }
  html[data-theme="dark"] .section--dark h2,
  html[data-theme="dark"] .section--dark h3,
  html[data-theme="dark"] .section--dark .papers__title,
  html[data-theme="dark"] .mband__vector,
  html[data-theme="dark"] .mband__more a,
  html[data-theme="dark"] .assess__portfolio p { color: #F4F4F0; }
  html[data-theme="dark"] .btn--on-dark { color: #F4F4F0; border-color: rgba(244, 244, 240, 0.5); }
  html[data-theme="dark"] .btn--on-dark:hover { background: #F4F4F0; border-color: #F4F4F0; color: #0A1628; }
  html[data-theme="dark"] .btn--brass,
  html[data-theme="dark"] .btn--brass:hover { color: #0A1628; }
  html[data-theme="dark"] .assess__portfolio { background: #060C18; border: 1px solid var(--rule); }
  html[data-theme="dark"] .field input, html[data-theme="dark"] .field select, html[data-theme="dark"] .field textarea,
  html[data-theme="dark"] .mv__select, html[data-theme="dark"] .pt-field input, html[data-theme="dark"] .pt-field select,
  html[data-theme="dark"] .mcard, html[data-theme="dark"] .cfeat, html[data-theme="dark"] .bcase,
  html[data-theme="dark"] .pt-panel, html[data-theme="dark"] .pt-form, html[data-theme="dark"] .pt-flag,
  html[data-theme="dark"] .terms > div:first-child { background: var(--card); }
  html[data-theme="dark"] .mcard { box-shadow: none; }
  html[data-theme="dark"] .pm-dot circle { stroke: var(--paper); }
  html[data-theme="dark"] .pc-ext { fill: rgba(12, 21, 38, 0.6); }
  html[data-theme="dark"] .pt-flag--owner, html[data-theme="dark"] .pt-summary td.is-bad { color: #F0A28B; }
  html[data-theme="dark"] .pt-flag--measure, html[data-theme="dark"] .pt-summary td.is-warn { color: #E8B572; }
  html[data-theme="dark"] .pt-flag--margin { color: #9CC4EA; }
  html[data-theme="dark"] .pt-flag--roi { color: #E8C48A; }
  html[data-theme="dark"] .explorer__col:hover .explorer__plot { background-color: rgba(238, 237, 230, 0.04); }
}

/* ---------- The AI Value Stack page ---------- */
.avs-art svg { width: 100%; max-width: 460px; height: auto; margin-left: auto; }
.avs-prose > p, .avs-prose > h3 { max-width: 68ch; }
.avs-prose h3 { margin-top: 32px; }
.avs-prose > p + p { margin-top: 16px; }
.avs-prose > h3 + p { margin-top: 8px; }
.avs-table-wrap { overflow-x: auto; }
.avs-table { width: 100%; min-width: 560px; border-collapse: collapse; }
.avs-table th, .avs-table td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--rule); }
.avs-table thead th { font-size: 0.85rem; font-weight: 600; color: var(--slate); border-bottom: 2px solid var(--ink); }
.avs-table tbody th { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; white-space: nowrap; }
.avs-refs { margin-top: 36px; border-top: 1px solid var(--rule); padding-top: 16px; }
.avs-refs summary { cursor: pointer; font-weight: 600; }
.avs-refs ul { margin: 14px 0 0; padding-left: 18px; font-size: 0.9rem; color: var(--ink-soft); }
.avs-refs li + li { margin-top: 6px; }
@media (max-width: 900px) { .avs-art svg { max-width: 360px; margin: 0 auto; } }

.avs-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.avs-step { background: var(--card); border: 1px solid var(--rule); border-top: 3px solid var(--brass); padding: 18px 18px 16px; display: flex; flex-direction: column; }
.avs-num { font-size: 0.85rem; font-weight: 600; color: var(--brass-deep); }
.avs-rule { font-family: var(--serif); font-size: 1.3rem; line-height: 1.25; color: var(--ink); margin: 10px 0 12px; }
.avs-src { font-size: 0.85rem; color: var(--slate); margin: auto 0 0; }
.avs-warn { margin-top: 18px; max-width: none; padding: 14px 18px; background: var(--paper-2); border-left: 3px solid var(--human); font-size: 0.98rem; }
.avs-warn strong { font-weight: 600; color: var(--ink); }
@media (max-width: 1000px) { .avs-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .avs-steps { grid-template-columns: 1fr; } }
.avs-note { margin-top: 14px; }