/* Preclari site stylesheet
   Sibling of Pramod Prasanth · Practice. Same Plex stack, same hairline-and-stone
   discipline, distinct accent (Graphite Blue) to read as its own product.        */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;1,300&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;1,300;1,400&family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,500;1,300;1,400;1,500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── Ink + accent ─────────────────────────────────────── */
  --rc-graphite:       #2A2A2C;
  --rc-graphite-deep:  #1f1f21;   /* dark surfaces inside duet pane */
  --rc-mid:            #6A675F;   /* tertiary text — meets AA on paper */
  --rc-mid-soft:       #8C8880;   /* legacy quiet label — AA Large only */
  --rc-blue:           #1E3A5F;   /* Preclari accent, graphite blue */
  --rc-blue-deep:      #16304F;
  --rc-blue-light:     #8aafe5;   /* on-dark accent reference */
  --rc-teal:           #1F4D4A;   /* PPP sibling reference */
  --rc-teal-light:     #9cc6a8;   /* on-dark success / ok */

  /* ── Surfaces ─────────────────────────────────────────── */
  --rc-paper:      #FAFAF8;
  --rc-paper-bright: #FFFFFF;     /* used only on hover where extra lift is needed */
  --rc-stone:      #F2F0EC;
  --rc-stone-deep: #ECE9E2;
  --rc-dust:       #E4E1DB;
  --rc-alert:      #7A3B2E;

  /* ── Code-block syntax (on dark graphite ground) ──────── */
  --code-key:      #b0c4dd;
  --code-str:      #e6e2d6;
  --code-num:      #c2b0dd;

  /* ── On dark blue ─────────────────────────────────────── */
  --rc-on-blue-primary:   #FAFAF8;
  --rc-on-blue-secondary: rgba(250, 250, 248, 0.62);
  --rc-on-blue-eyebrow:   rgba(250, 250, 248, 0.45);
  --rc-on-blue-hairline:  rgba(250, 250, 248, 0.22);

  /* ── Type ─────────────────────────────────────────────── */
  --serif: 'IBM Plex Serif', Georgia, serif;
  --sans:  'IBM Plex Sans', Arial, sans-serif;
  --mono:  'IBM Plex Mono', 'Courier New', monospace;

  /* ── Spacing 8px base ─────────────────────────────────── */
  --s-2: 4px;  --s-3: 8px;  --s-4: 12px; --s-5: 16px;
  --s-6: 20px; --s-7: 24px; --s-8: 32px; --s-9: 40px;
  --s-10: 48px; --s-11: 56px; --s-12: 64px; --s-13: 72px;
  --s-14: 80px; --s-15: 96px; --s-16: 120px;

  /* ── Layout ───────────────────────────────────────────── */
  --content-max: 1240px;
  --gutter: 48px;

  /* ── Accent ───────────────────────────────────────────── */
  --accent: var(--rc-blue);
  --accent-deep: var(--rc-blue-deep);
}

/* ─── Base ──────────────────────────────────────────────── */

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  background: var(--rc-paper);
  color: var(--rc-graphite);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: var(--rc-paper); }

/* Site-wide tabular numerals for data / pricing / hashes */
.tier-price-num, .tier-quota, .tier-period,
.artifact-row .v, .artifact-foot, .about-meta,
.footer-legal, .scale-row, .hash, .mcp-trace,
.spec-code pre, .step-snippet, .swatch-row .hex,
.coverage-section .meta, .source-row .meta {
  font-variant-numeric: tabular-nums;
}

/* ─── Focus indicators (keyboard) ──────────────────────── */
a:focus { outline: none; }
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.nav-cta:focus-visible,
.cta-primary:focus-visible,
.tier-cta:focus-visible,
.access-cta-row .cta-primary:focus-visible {
  outline-offset: 4px;
}
/* On dark grounds (footer, duet, access block) use paper for visibility */
footer a:focus-visible,
.duet-pane.dark a:focus-visible,
.access-block a:focus-visible,
.tier-card.is-featured a:focus-visible {
  outline-color: var(--rc-paper);
}

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

/* ─── Top stripe + skip ─────────────────────────────────── */

.top-stripe {
  height: 4px;
  background: var(--accent);
  position: sticky;
  top: 0;
  z-index: 50;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 12px;
  background: var(--rc-graphite);
  color: var(--rc-paper);
}
.skip:focus { left: 16px; top: 16px; z-index: 100; }

/* Private-beta banner — quiet hairline strip below the nav. Reads as
   informational, not as a marketing alert. Reuses --rc-stone / --rc-dust /
   --rc-mid / --rc-blue tokens; no new colour tokens. */
.beta-banner {
  display: flex;
  gap: var(--s-5);
  align-items: baseline;
  padding: var(--s-4) var(--gutter);
  background: var(--rc-stone);
  border-bottom: 1px solid var(--rc-dust);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--rc-graphite);
  max-width: var(--content-max);
  margin: 0 auto;
}
.beta-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rc-blue);
  font-weight: 500;
  flex-shrink: 0;
}
.beta-msg { color: var(--rc-mid); font-weight: 300; }
.beta-msg strong { color: var(--rc-graphite); font-weight: 500; }
@media (max-width: 760px) {
  .beta-banner { flex-direction: column; gap: var(--s-3); padding: var(--s-4) var(--gutter); }
}

/* ─── Nav ───────────────────────────────────────────────── */

/* Sticky header: the existing nav acts as the TOC on scroll. Paper
   background opaque so the rest of the page doesn't bleed through.
   Hairline border-bottom is permanent (paper-on-paper at the top is
   visually inert; gives clean separation once scrolling reveals content
   underneath). No script required. */
.nav {
  position: sticky;
  top: 4px;                /* clears the decorative .top-stripe (4px, z-index 50, sticky) */
  z-index: 20;
  background: var(--rc-paper);
  border-bottom: 1px solid var(--rc-dust);
}
.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-lockup { display: flex; flex-direction: column; line-height: 1; }

/* ── Wordmark: one component, two sizes ────────────────────
   Single wordmark used by both the nav and the footer (previously two
   per-location classes). Base size is the nav size; .wordmark--lg is the
   footer size. The "clari" root is set in brand blue (.wm-accent) as a
   logo treatment only; running-text "Preclari" stays one colour. */
.wordmark {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 20px;
  color: var(--rc-graphite);
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: baseline;
}
.wordmark--lg { font-size: 22px; }

.wm-accent { color: var(--accent); }

/* The mark reads as the full stop in "Preclari.", not a detached chip:
   small, tight to the final letter, sitting low on the baseline. The "."
   glyph stays in the DOM for screen readers but is visually replaced by
   the square. */
.wordmark .dot {
  display: inline-block;
  width: 0.30em;
  height: 0.30em;
  background: var(--accent);
  margin-left: 0.02em;
  vertical-align: baseline;
  text-indent: -999em;
  overflow: hidden;
  line-height: 1;
  position: relative;
  top: 0.02em;
}

/* Dark-ground variant. On a dark surface (the footer) the default dark navy
   wordmark is invisible. Lift the whole lockup: the "Pre" base text to the
   on-dark paper tone, and "clari" + the dot to the on-dark blue, all under
   one modifier (do not re-style per-location). */
.wm--on-dark { color: var(--rc-on-blue-primary); }
.wm--on-dark .wm-accent { color: var(--rc-blue-light); }
.wm--on-dark .dot { background: var(--rc-blue-light); }

/* Byline under the nav wordmark (the header brand lockup). Deliberately
   tiny and quiet so it never competes with the "Preclari" mark above it. */
.nav-byline {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 0.03em;
  color: var(--rc-mid);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--rc-mid);
  text-transform: lowercase;
  transition: color 0.15s;
  padding: 10px 0;             /* ~32px hit target, well over WCAG 2.5.8 24px */
  border-bottom: 1px solid transparent;
  line-height: 1;
}
.nav-link:hover { color: var(--rc-graphite); border-bottom-color: var(--rc-dust); }
.nav-link.is-current { color: var(--rc-graphite); border-bottom-color: var(--rc-dust); }

.nav-cta {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--rc-paper);
  text-transform: uppercase;
  background: var(--accent);
  padding: 9px 14px 8px;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent-deep); }

/* ─── Main container ────────────────────────────────────── */

main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--s-16);
}

section { padding: var(--s-16) 0; }
section.no-border { border-top: 0; }
section.is-tight { padding-top: 0; padding-bottom: 0; }
section.is-flush-top { padding-top: 0; }
section.is-narrow-bottom { padding-bottom: 64px; }
section.is-tall-bottom { padding-bottom: 96px; }

/* small inline-content utilities — keep at top to override later rules */
.measure-narrow { max-width: 24ch; }
.in-card-link {
  color: inherit;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.mono-inline {
  font-family: var(--mono);
  font-size: 0.92em;
}

/* ─── Eyebrow + section header ──────────────────────────── */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rc-dust);
}

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--rc-graphite);
  max-width: 22ch;
}

.section-sub {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--rc-mid);
  max-width: 60ch;
  margin-top: 12px;
}

/* ─── Hero ──────────────────────────────────────────────── */

.hero { padding: 80px 0 96px; border-top: 0; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  align-items: start;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-headline {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--rc-graphite);
  max-width: 16ch;
  text-wrap: balance;
}
.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

/* hero-tagline: the brand line "Clarity before execution." sits directly
   under the H1 question as the answer-shaped promise, connecting what
   preflight means above to the value below. Medium-weight sans, accent. */
.hero-tagline {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--accent);
  margin-top: 14px;
}

.hero-gloss {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  color: var(--rc-mid);
  margin-top: 22px;
  max-width: 52ch;
}

/* hero-pif-def: above-the-fold definition of PIF. Sits right after
   .hero-gloss so a first-time reader meets the "preflight" definition
   and the "PIF" definition in the same eye-sweep, before any CTA or
   the worked example. Sans-light rhythm contrasts with the italic
   serif gloss above so the two definitions read as a paired note
   rather than one long run-on. */
.hero-pif-def {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--rc-mid);
  margin-top: 12px;
  max-width: 56ch;
  padding: 10px 14px;
  background: var(--rc-stone);
  border-left: 2px solid var(--rc-dust);
}
.hero-pif-def strong {
  font-family: var(--sans);
  font-weight: 500;
  color: var(--rc-graphite);
}

.hero-sub {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.65;
  color: var(--rc-graphite);
  margin-top: 28px;
  max-width: 56ch;
}
.hero-sub strong {
  font-weight: 500;
  color: var(--rc-graphite);
}

/* hero-outcomes: three-bullet promise list sitting under .hero-sub.
   Skimmable beats dense prose on the home page. Mono-accent square
   markers in place of the default disc. */
.hero-outcomes {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  max-width: 56ch;
}
.hero-outcomes li {
  position: relative;
  padding-left: 22px;
  margin: 6px 0;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--rc-graphite);
}
.hero-outcomes li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.62em;
  width: 8px;
  height: 1.5px;
  background: var(--accent);
}

/* Concrete worked-example block in the hero — bridges the abstract headline
   to a named workflow so non-AI readers get the picture in one read. */
.hero-example {
  position: relative;
  margin-top: 24px;
  padding: 14px 18px 14px 22px;
  background: var(--rc-stone);
  max-width: 56ch;
}
.hero-example::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--accent);
}
.hero-example-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}
.hero-example p {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--rc-graphite);
}
.hero-example em {
  font-style: italic;
  font-weight: 400;
  color: var(--rc-graphite);
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-paper);
  background: var(--accent);
  padding: 14px 22px 13px;
  transition: background 0.15s;
}
.cta-primary:hover { background: var(--accent-deep); }

.cta-secondary {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rc-graphite);
  padding: 9px 0 6px;          /* ~28px hit target */
  border-bottom: 1px solid var(--rc-graphite);
  line-height: 1;
  transition: color 0.15s, border-color 0.15s;
}
.cta-secondary:hover { color: var(--accent); border-bottom-color: var(--accent); }

.hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--rc-dust);
}
.hero-meta-item {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rc-mid);
}
.hero-meta-item strong {
  font-weight: 400;
  color: var(--rc-graphite);
}

/* ─── Hero artifact (the product surface) ───────────────── */

.artifact-frame {
  background: var(--rc-stone);
  border: 1px solid var(--rc-dust);
  padding: 0;
  position: relative;
  font-family: var(--mono);
  color: var(--rc-graphite);
}

.artifact-source {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-top: 12px;
  text-align: right;
}
.artifact-source a {
  color: var(--rc-mid);
  border-bottom: 1px solid var(--rc-dust);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.artifact-source a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.artifact-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 13px;
  border-bottom: 1px solid var(--rc-dust);
  background: var(--rc-paper);
}
.artifact-head .title {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--rc-graphite);
}
.artifact-head .badge {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 7px 2px;
}

.artifact-body { padding: 22px 24px 24px; }

.artifact-row {
  display: grid;
  grid-template-columns: 17ch 1fr;
  gap: 16px;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
  border-bottom: 1px dotted var(--rc-dust);
}
.artifact-row:last-child { border-bottom: 0; }
.artifact-row .k { color: var(--rc-mid); font-weight: 400; }
.artifact-row .v { color: var(--rc-graphite); font-weight: 400; }
.artifact-row .v.accent { color: var(--accent); font-weight: 500; }
.artifact-row .v.alert { color: var(--rc-alert); font-weight: 500; }

.artifact-foot {
  padding: 14px 24px;
  background: var(--rc-paper);
  border-top: 1px solid var(--rc-dust);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--rc-mid);
  letter-spacing: 0.04em;
}
.artifact-foot .hash { color: var(--rc-graphite); }

/* inline code in body copy */
code.inline {
  font-family: var(--mono);
  font-size: 0.92em;
  color: var(--rc-graphite);
}

/* ─── Category statement ────────────────────────────────── */

.category {
  padding: 96px 0 80px;
}
.category-display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--rc-graphite);
  max-width: 28ch;
  text-wrap: balance;
}
.category-display em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.category-quote { color: var(--rc-mid); font-style: italic; }
.category-body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  color: var(--rc-graphite);
  max-width: 60ch;
  margin-top: 36px;
}
.category-body p + p { margin-top: 14px; }

/* compare-2col: workflow-first vs document-first ledger. Two columns;
   workflow-first sits in accent paper-on-stone, document-first is muted
   to keep the eye on the side Preclari takes. Reuses stone/dust/accent
   tokens; no new colour vocabulary. */
.compare-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 32px;
  max-width: 64ch;
}
.compare-col {
  background: var(--rc-stone);
  padding: 18px 22px 20px;
  border-top: 2px solid var(--accent);
}
.compare-col--muted {
  border-top-color: var(--rc-dust);
  opacity: 0.78;
}
.compare-h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.compare-col--muted .compare-h { color: var(--rc-mid); }
.compare-dl { margin: 0; }
.compare-dl dt {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-top: 8px;
}
.compare-dl dt:first-child { margin-top: 0; }
.compare-dl dd {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--rc-graphite);
  margin: 2px 0 0;
}

/* ─── How it works ──────────────────────────────────────── */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 48px;
}
.step {
  background: var(--rc-stone);
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
}
.step-num {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 24px;
}
.step-num .n {
  color: var(--accent);
  font-weight: 500;
}
.step-h {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--rc-graphite);
  margin-bottom: 12px;
}
.step-body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--rc-graphite);
  margin-bottom: 24px;
}
.step-body code {
  font-family: var(--mono);
  font-size: 12px;
}
.step-snippet {
  margin-top: auto;
  background: var(--rc-paper);
  border: 1px solid var(--rc-dust);
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--rc-graphite);
  position: relative;
  white-space: pre;
  overflow-x: auto;
}
.step-snippet .k { color: var(--rc-mid); }
.step-snippet .s { color: var(--rc-graphite); }
.step-snippet .a { color: var(--accent); }
/* step-snippet shows an illustrative shape, not a literal SAMPLE marker —
   real example JSON is linked from the hero artifact and Open Spec sections. */

/* step-detail: wraps the JSON snippet behind a <details>/<summary> toggle
   so non-technical QA/RA readers can skim the three steps without parsing
   shape-of-output code. Native disclosure widget is restyled to match the
   no-rounded-corners design vocabulary; the caret rotates on open. */
.step-detail {
  margin-top: auto;
}
.step-detail > summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 0;
  border-bottom: 1px solid var(--rc-dust);
  transition: border-color 0.15s;
}
.step-detail > summary::-webkit-details-marker { display: none; }
.step-detail > summary::marker { content: ""; }
.step-detail > summary:hover { border-bottom-color: var(--accent); }
.step-detail > summary .caret {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.15s ease;
}
.step-detail[open] > summary .caret { transform: rotate(180deg); }
.step-detail[open] > summary { margin-bottom: 10px; }
.step-detail .step-snippet { margin-top: 0; }

/* ─── MCP trace ─────────────────────────────────────────── */

.mcp-trace { padding: 20px 22px; font-family: var(--mono); font-size: 12px; line-height: 1.65; }
.mcp-trace .ln { display: block; color: var(--rc-graphite); white-space: pre; }
.mcp-trace .ln.dim { color: var(--rc-mid); }
.mcp-trace .marker-in  { color: var(--accent); font-weight: 500; }
.mcp-trace .marker-out { color: var(--rc-teal); font-weight: 500; }
.mcp-trace .str { color: var(--rc-graphite); }
.mcp-trace .key { color: var(--rc-mid); }
.mcp-trace .ok  { color: var(--rc-teal); font-weight: 500; }
.mcp-trace .warn { color: var(--rc-alert); font-weight: 500; }
.mcp-trace .hash { color: var(--rc-mid); }
.mcp-trace .sep {
  display: block;
  margin: 12px 0;
  border-top: 1px dotted var(--rc-dust);
}

/* Compact brief-mock variant for the duet-pane preview */
.brief-mock.is-compact { padding: 28px 28px 24px; }
.brief-mock.is-compact h4 { font-size: 18px; }
.brief-mock.is-compact .subj { margin-bottom: 14px; padding-bottom: 10px; }
.brief-mock.is-compact .findings { margin-bottom: 8px; }
.brief-mock.is-compact .sig-row { margin-top: 16px; padding-top: 12px; }

/* ─── Audience routing links ────────────────────────────── */
.audience-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 1px;
  border-bottom: 1px solid var(--rc-dust);
  transition: border-color 0.15s;
}
.audience-link:hover { border-bottom-color: var(--accent); }

/* ─── Where it fits in your pipeline ──────────────────── */

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 48px;
}
.pipeline-card {
  background: var(--rc-stone);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.pipeline-num {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.pipeline-h {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--rc-graphite);
  margin-bottom: 12px;
}
.pipeline-body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--rc-graphite);
}
.pipeline-body code {
  font-family: var(--mono);
  font-size: 12.5px;
}
.pipeline-snippet {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--rc-graphite);
  white-space: pre;
  overflow-x: auto;
}
.pipeline-snippet .k { color: var(--accent); font-weight: 500; }
.pipeline-snippet .s { color: var(--rc-graphite); }
.pipeline-snippet .com { color: var(--rc-mid); font-style: italic; }
.pipeline-foot {
  margin-top: 36px;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: var(--rc-graphite);
  max-width: 60ch;
}
.pipeline-foot strong { font-weight: 500; color: var(--accent); }

/* Labelled concrete note (stone panel, accent rule). Re-homed from §08 to
   §07 (the "In practice" enforcement line) and §11 (the "For auditors"
   line); used standalone, one per section. */
.surfaces-concrete-line {
  margin: 12px 0 0;
  padding: 12px 18px;
  background: var(--rc-stone);
  border-left: 2px solid var(--accent);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--rc-graphite);
  max-width: 78ch;
}
.surfaces-concrete-line .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: 10px;
}

/* ─── Agent patterns panels ───────────────────────────
   Standalone panels re-homed from §08: the escalation-rules code block now
   lives in §07 (design-loop behaviour), the deployment list in §11 (data
   residency for the function that signs off). */
.patterns-card {
  background: var(--rc-stone);
  padding: 32px 28px 28px;
  margin-top: 24px;
}
.patterns-card.dark {
  background: var(--rc-graphite);
  color: var(--rc-paper);
}
.patterns-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 18px;
}
.patterns-card.dark .patterns-label { color: rgba(250,250,248,0.5); }
.patterns-snippet {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  white-space: pre;
  overflow-x: auto;
}
.patterns-snippet .ln { display: block; color: rgba(250,250,248,0.88); }
.patterns-snippet .ln.dim { color: rgba(250,250,248,0.5); }
.patterns-snippet .key { color: var(--rc-blue-light); font-weight: 500; }
.patterns-snippet .str { color: var(--code-str); }
.patterns-list {
  list-style: none;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--rc-graphite);
}
.patterns-list li {
  padding: 12px 0 12px 22px;
  border-bottom: 1px dotted var(--rc-dust);
  position: relative;
}
.patterns-list li:last-child { border-bottom: 0; }
.patterns-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
}
.patterns-list strong { font-weight: 500; }

/* ─── Open Spec callout ─────────────────────────────────── */

.spec-callout {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.55;
  color: var(--rc-graphite);
  border-left: 0;
  padding: 14px 0 14px 22px;
  margin-top: 18px;
  margin-bottom: 18px;
  position: relative;
  max-width: 50ch;
}
.spec-callout::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--accent);
}

/* ─── Regulatory guardrails ─────────────────────────────── */

.guardrails-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 48px;
}
.guardrails-card {
  background: var(--rc-stone);
  padding: 32px 28px 28px;
}
.guardrails-h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rc-dust);
}
.guardrails-list {
  list-style: none;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--rc-graphite);
}
.guardrails-list li {
  padding: 8px 0 8px 22px;
  position: relative;
  border-bottom: 1px dotted var(--rc-dust);
}
.guardrails-list li:last-child { border-bottom: 0; }
.guardrails-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--rc-mid);
  font-family: var(--mono);
}
.guardrails-foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--rc-dust);
  font-family: var(--sans);
  font-weight: 300;
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--rc-mid);
}
.guardrails-foot a {
  color: var(--rc-mid);
  border-bottom: 1px solid var(--rc-dust);
}
.guardrails-foot a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.guardrails-panel {
  margin-top: 2px;
  background: var(--rc-graphite);
  color: var(--rc-paper);
  padding: 32px 36px 32px;
}
.guardrails-panel-h {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.5);
  margin-bottom: 18px;
}
.guardrails-panel-list {
  list-style: none;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(250,250,248,0.88);
}
.guardrails-panel-list li {
  padding: 12px 0 12px 22px;
  border-bottom: 1px dotted rgba(250,250,248,0.15);
  position: relative;
}
.guardrails-panel-list li:last-child { border-bottom: 0; }
.guardrails-panel-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--rc-blue-light);
  font-family: var(--mono);
}
.guardrails-panel-list strong { font-weight: 500; color: var(--rc-paper); }
.guardrails-panel-list code {
  font-family: var(--mono);
  font-size: 13px;
  background: rgba(250,250,248,0.08);
  color: var(--rc-paper);
  padding: 1px 6px;
}

/* ─── Impact ────────────────────────────────────────────── */

.impact-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}
.impact-h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rc-dust);
}
.impact-list {
  list-style: none;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.65;
  color: var(--rc-graphite);
}
.impact-list li {
  padding: 14px 0 14px 22px;
  border-bottom: 1px solid var(--rc-dust);
  position: relative;
}
.impact-list li:last-child { border-bottom: 0; }
.impact-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 14px;
  color: var(--accent);
  font-family: var(--mono);
}

.impact-case {
  background: var(--rc-stone);
  padding: 32px 32px 28px;
  border-top: 4px solid var(--accent);
}
.impact-case-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 14px;
}
.impact-case-h {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--rc-graphite);
  margin-bottom: 16px;
}
.impact-case-body, .impact-case-result {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--rc-graphite);
  margin-bottom: 14px;
}
.impact-case-body strong, .impact-case-result strong { font-weight: 500; }
.impact-case-result {
  padding-top: 14px;
  border-top: 1px solid var(--rc-dust);
}
.impact-case-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dotted var(--rc-dust);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--rc-mid);
  line-height: 1.6;
  margin-bottom: 0;
}
.impact-owner {
  margin-top: 56px;
  padding: 20px 24px;
  background: var(--rc-paper);
  border: 1px solid var(--rc-graphite);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  color: var(--rc-graphite);
  max-width: 70ch;
}
.impact-owner-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: 12px;
}

/* ─── Pricing lead-owner line ───────────────────────────── */
.page-hero .lead-owner {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  color: var(--rc-mid);
  max-width: 70ch;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dotted var(--rc-dust);
}
.page-hero .lead-owner strong {
  font-weight: 500;
  color: var(--rc-graphite);
}

/* ─── Two-column: agents / humans ───────────────────────── */

.duet {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 48px;
}
/* §08 closing payoff: one line under the duet, the single idea the section
   now makes (replaced the old multi-block surfaces sub-sections). */
.duet-payoff {
  margin-top: 24px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.5;
  color: var(--rc-graphite);
  max-width: 60ch;
}
.duet-pane {
  background: var(--rc-stone);
  padding: 40px 36px 36px;
}
.duet-pane.dark {
  background: var(--rc-graphite);
  color: var(--rc-paper);
}
.duet-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 20px;
}
.duet-pane.dark .duet-label {
  color: rgba(250,250,248,0.45);
}
.duet-h {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  margin-bottom: 20px;
}
.duet-body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 38ch;
}
.duet-body code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: inherit;
}
.duet-pane.dark .duet-body { color: rgba(250,250,248,0.78); }
.duet-surface {
  background: var(--rc-paper);
  border: 1px solid var(--rc-dust);
  padding: 0;
}
.duet-pane.dark .duet-surface {
  background: var(--rc-graphite-deep);
  border-color: rgba(250,250,248,0.12);
  color: var(--rc-paper);
}
.duet-pane.dark .mcp-trace .ln { color: rgba(250,250,248,0.86); }
.duet-pane.dark .mcp-trace .ln.dim { color: rgba(250,250,248,0.45); }
.duet-pane.dark .mcp-trace .key { color: rgba(250,250,248,0.50); }
.duet-pane.dark .mcp-trace .sep { border-color: rgba(250,250,248,0.15); }
.duet-pane.dark .mcp-trace .marker-in,
.duet-pane.dark .mcp-trace .marker-out { color: var(--rc-blue-light); }
.duet-pane.dark .mcp-trace .ok { color: var(--rc-teal-light); }
.duet-pane.dark .mcp-trace .hash { color: rgba(250,250,248,0.45); }

/* ─── Open spec ─────────────────────────────────────────── */

.spec-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 64px;
  margin-top: 48px;
  align-items: start;
}
.spec-copy h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  max-width: 18ch;
}
.spec-copy p {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  color: var(--rc-graphite);
  max-width: 50ch;
  margin-bottom: 14px;
}
.spec-copy code {
  font-family: var(--mono);
  font-size: 14px;
}
.spec-copy .spec-link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rc-graphite);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--rc-graphite);
}
.spec-copy .spec-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

.spec-code {
  background: var(--rc-graphite);
  color: var(--rc-paper);
  padding: 0;
  position: relative;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
}
.spec-code .code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(250,250,248,0.12);
}
.spec-code .code-head .name {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rc-paper);
}
.spec-code .code-head .stub {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.45);
}
.spec-code pre {
  margin: 0;
  padding: 20px 24px 24px;
  white-space: pre;
  overflow-x: auto;
}
.spec-code .key { color: var(--code-key); }
.spec-code .str { color: var(--code-str); }
.spec-code .num { color: var(--code-num); }
.spec-code .com { color: rgba(250,250,248,0.45); font-style: italic; }
.spec-code .acc { color: var(--rc-blue-light); }

/* ─── Honesty list ──────────────────────────────────────── */

/* honesty-bullets: compact one-line schema field list. § 10 was reordered
   so the schema fields lead and the philosophical close trails; this list
   has to read fast (each row a single line on desktop) without giving up
   the typographic distinction between field name (mono) and description
   (sans). */
.honesty-bullets {
  margin-top: 36px;
  padding: 24px 28px;
  list-style: none;
  background: var(--rc-stone);
  border-top: 1px solid var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
  max-width: 78ch;
}
.honesty-bullets li {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--rc-graphite);
  padding: 6px 0;
  border-top: 1px dotted var(--rc-dust);
}
.honesty-bullets li:first-child { border-top: 0; }
.honesty-bullets li code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  padding: 0 4px 0 0;
  background: none;
}

.honesty-list {
  margin-top: 48px;
  border-top: 1px solid var(--rc-graphite);
}
.honesty-row {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: 48px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rc-dust);
  align-items: baseline;
}
.honesty-row .k {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--rc-graphite);
  letter-spacing: 0;
}
.honesty-row .d {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  color: var(--rc-graphite);
  max-width: 62ch;
}
.honesty-row .d em {
  font-style: italic;
  color: var(--rc-mid);
}
.honesty-close {
  margin-top: 32px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: var(--rc-graphite);
  max-width: 64ch;
}

.pull-quote {
  margin: 56px auto 16px;
  padding: 28px 0 0;
  max-width: 32ch;
  border-top: 1px solid var(--rc-graphite);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.008em;
  color: var(--rc-graphite);
  text-align: center;
  text-wrap: balance;
}
.honesty-close strong {
  font-style: normal;
  font-weight: 500;
  color: var(--accent);
}

/* ─── Audience ──────────────────────────────────────────── */

.audience {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.audience-item {
  background: var(--rc-stone);
  padding: 28px 28px 28px;
  display: flex;
  gap: 16px;
}
.audience-item .num {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 3px;
}
.audience-item .body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--rc-graphite);
}
.audience-item .body strong {
  font-weight: 500;
  color: var(--rc-graphite);
  display: block;
  margin-bottom: 8px;
}
.audience-item .body p {
  margin: 0 0 6px;
  color: var(--rc-mid);
}
.audience-item .body p:last-of-type { margin-bottom: 10px; }
.audience-item .body p strong {
  display: inline;
  font-weight: 500;
  color: var(--rc-graphite);
  margin-bottom: 0;
}

/* Persona anchor bar: sits between the hero and § 02. Lets a self-selecting
   reader jump to the audience entry that matches their role without
   scrolling past the plain-language section. Subtle: a thin paper-on-stone
   strip with a mono label and four mono links. */
.audience-anchors {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  border-top: 1px solid var(--rc-dust);
  border-bottom: 1px solid var(--rc-dust);
  background: var(--rc-stone);
}
.audience-anchors-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.audience-anchor {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rc-mid);
  text-transform: lowercase;
  border-bottom: 1px solid transparent;
  padding: 6px 0;
  transition: color 0.15s, border-color 0.15s;
}
.audience-anchor:hover {
  color: var(--rc-graphite);
  border-bottom-color: var(--rc-dust);
}

/* ─── Access block ──────────────────────────────────────── */

.access-block {
  background: var(--accent);
  color: var(--rc-paper);
  padding: 72px 64px 64px;
  margin-top: 48px;
}
.access-block .eyebrow {
  color: var(--rc-on-blue-eyebrow);
}
.access-block .eyebrow::after {
  background: var(--rc-on-blue-hairline);
}
.access-block h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--rc-paper);
  max-width: 20ch;
  margin-bottom: 18px;
}
.access-block p {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--rc-on-blue-secondary);
  max-width: 58ch;
}
.access-tiers {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 40px;
  border-top: 1px solid var(--rc-on-blue-hairline);
  padding-top: 24px;
}
.access-tier {
  padding-right: 24px;
}
.access-tier .tier-name {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rc-on-blue-eyebrow);
  margin-bottom: 12px;
}
.access-tier .tier-desc {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.6;
  color: var(--rc-paper);
}
.access-enterprise-note {
  margin: 22px 0 0;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.12);
  border-left: 2px solid var(--rc-paper);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--rc-on-blue-primary);
  max-width: 64ch;
}
.access-cta-row {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.access-cta-row .cta-primary {
  background: var(--rc-paper);
  color: var(--rc-graphite);
}
.access-cta-row .cta-primary:hover { background: var(--rc-paper-bright); }
.access-cta-row .note {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rc-on-blue-eyebrow);
}

/* ─── About ─────────────────────────────────────────────── */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 64px;
  margin-top: 48px;
  align-items: start;
}
.about-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rc-mid);
  line-height: 2.1;
}
.about-meta .row { display: grid; grid-template-columns: 10ch 1fr; gap: 12px; }
.about-meta .row .k { color: var(--rc-mid); }
.about-meta .row .v { color: var(--rc-graphite); }
.about-body p {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--rc-graphite);
  max-width: 64ch;
}
.about-body p + p { margin-top: 18px; }
.about-body em { font-style: italic; color: var(--accent); }
.about-body a {
  color: var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
  transition: border-color 0.15s, color 0.15s;
}
.about-body a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ─── Tokens block ──────────────────────────────────────── */

.tokens-block {
  margin-top: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
}
.tk-h {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rc-dust);
}
.swatch-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  border-bottom: 1px dotted var(--rc-dust);
}
.swatch-row:last-child { border-bottom: 0; }
.swatch-row .sw {
  width: 28px;
  height: 28px;
  border: 1px solid var(--rc-dust);
}
.swatch-row .name { color: var(--rc-graphite); }
.swatch-row .hex { color: var(--rc-mid); }

.type-row {
  padding: 12px 0;
  border-bottom: 1px dotted var(--rc-dust);
}
.type-row:last-child { border-bottom: 0; }
.type-row .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 4px;
}
.type-row .demo { color: var(--rc-graphite); }
.type-row .demo.serif  { font-family: var(--serif); }
.type-row .demo.sans   { font-family: var(--sans); }
.type-row .demo.monoft { font-family: var(--mono); }

.scale-row {
  display: grid;
  grid-template-columns: 6ch 1fr;
  gap: 14px;
  align-items: center;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  border-bottom: 1px dotted var(--rc-dust);
}
.scale-row:last-child { border-bottom: 0; }
.scale-row .px { color: var(--rc-mid); }
.scale-row .bar {
  height: 2px;
  background: var(--rc-graphite);
}

/* ─── Footer ────────────────────────────────────────────── */

footer {
  background: var(--rc-graphite);
  color: var(--rc-paper);
  padding: 64px var(--gutter) 32px;
  margin-top: 96px;
}
.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 48px;
}
.footer-lockup .wordmark { margin-bottom: 4px; }

/* Footer tagline: the brand line under the footer wordmark. Set in the
   on-dark blue so it ties to the wordmark's "clari" and reads clearly on
   the dark footer ground (not a muted whisper). */
.footer-tagline {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--rc-blue-light);
  margin-bottom: 16px;
}
.footer-lockup .blurb {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250,250,248,0.78);
  max-width: 36ch;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col-h {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.5);
  margin-bottom: 16px;
}
.footer-link {
  display: block;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.95;
  color: rgba(250,250,248,0.88);
  padding: 2px 0;             /* small extra hit-area on link list */
  /* footer CTA is a <button> (SignupModal trigger); reset UA chrome so it reads as a link */
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
}
.footer-link:hover { color: var(--rc-paper-bright); }

.footer-legal {
  max-width: var(--content-max);
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(250,250,248,0.15);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.5);
}

/* ─── Responsive ────────────────────────────────────────── */

/* Tablet — keep important 2-up comparisons before going single-column */
@media (max-width: 980px) {
  :root { --gutter: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .steps { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; gap: 40px; }
  .access-tiers { grid-template-columns: 1fr 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .tokens-block { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .pipeline-grid { grid-template-columns: 1fr; }
  .guardrails-grid { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: 1fr; gap: 32px; }
  section { padding: 80px 0; }
  .hero { padding: 56px 0 64px; }
  .nav-links { gap: 18px; }
}

/* Narrower tablet / large phone — collapse remaining 2-up grids */
@media (max-width: 760px) {
  .duet { grid-template-columns: 1fr; }
  .audience { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --gutter: 20px; }
  html { scroll-padding-top: 160px; }
  .nav-inner {
    padding: 14px var(--gutter);
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }
  .nav-links { width: 100%; gap: 14px; flex-wrap: wrap; }
  .audience-anchors { gap: 14px; padding: 12px var(--gutter); }
  .audience-anchor { font-size: 12px; padding: 6px 0; }
  .compare-2col { grid-template-columns: 1fr; }
  .access-block { padding: 48px 28px 40px; }
  .access-tiers { grid-template-columns: 1fr; }
  .honesty-row { grid-template-columns: 1fr; gap: 8px; }
  .footer-cols { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; gap: 8px; }
  .hero-meta { flex-wrap: wrap; gap: 12px; }
}

/* print */
@media print {
  .top-stripe { display: none; }
  body { background: #fff; }
  section { page-break-inside: avoid; padding: 48px 0; border-color: #ccc; }
  .access-block { background: #fff; color: #000; border: 1px solid #ccc; }
  .access-block h3, .access-block p { color: #000; }
  footer { background: #fff; color: #000; }
  .duet-pane.dark { background: #f5f5f5; color: #000; }
}


/* ════════════════════════════════════════════════════════════
   DOC PAGES — PIF spec, coverage, future internal docs
   ════════════════════════════════════════════════════════════ */

.doc-page {
  padding: 80px 0 96px;
  border-top: 0;
}
.doc-page .eyebrow { margin-bottom: 40px; }

.spec-body {
  max-width: 72ch;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  color: var(--rc-graphite);
}
.spec-body > * + * { margin-top: 18px; }

.spec-body h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4.2vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.018em;
  color: var(--rc-graphite);
  margin-top: 0;
  max-width: 24ch;
  text-wrap: balance;
}
.spec-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 2.8vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--rc-graphite);
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--rc-dust);
}
.spec-body h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--rc-graphite);
  margin-top: 36px;
}
.spec-body h4 {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 28px;
}

.spec-body p { max-width: 72ch; }
.spec-body strong { font-weight: 500; color: var(--rc-graphite); }
.spec-body em { font-style: italic; }

.spec-body a {
  color: var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
  transition: color 0.15s, border-color 0.15s;
}
.spec-body a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.spec-body ul, .spec-body ol {
  margin-top: 12px;
  padding-left: 22px;
}
.spec-body li {
  margin: 6px 0;
  line-height: 1.65;
}
.spec-body li::marker { color: var(--rc-mid); }

.spec-body blockquote {
  position: relative;
  margin: 24px 0;
  padding: 16px 20px 16px 28px;
  background: var(--rc-stone);
  font-family: var(--serif);
  font-style: italic;
  color: var(--rc-graphite);
}
.spec-body blockquote::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--accent);
}

.spec-body code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--rc-stone);
  padding: 1px 6px;
  color: var(--rc-graphite);
}
.spec-body pre {
  margin: 20px 0;
  padding: 18px 22px;
  background: var(--rc-graphite);
  color: var(--rc-paper);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}
.spec-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.spec-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 300;
}
.spec-body th, .spec-body td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rc-dust);
  vertical-align: top;
}
.spec-body th {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-mid);
  font-weight: 500;
  border-bottom: 1px solid var(--rc-graphite);
}

.spec-body hr {
  border: 0;
  border-top: 1px solid var(--rc-dust);
  margin: 40px 0;
}

.doc-footer-links {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--rc-dust);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--rc-mid);
  text-transform: lowercase;
}
.doc-footer-links a {
  color: var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
}
.doc-footer-links a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ─── Coverage page ─────────────────────────────────────── */

.doc-page > header {
  max-width: 72ch;
  margin-bottom: 16px;
}
.doc-page > header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--rc-graphite);
  max-width: 18ch;
  text-wrap: balance;
}
.doc-page > header .lede {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.65;
  color: var(--rc-graphite);
  max-width: 62ch;
  margin-top: 22px;
}
.doc-page > header em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rc-mid);
  display: inline-block;
  margin-top: 18px;
}

.coverage-section { margin-top: 64px; }
.coverage-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rc-graphite);
  margin-bottom: 28px;
}
.coverage-section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 2.8vw, 30px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--rc-graphite);
}
.coverage-section-head .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.coverage-note {
  font-family: var(--sans);
  font-weight: 300;
  font-style: italic;
  font-size: 15px;
  line-height: 1.65;
  color: var(--rc-mid);
  max-width: 60ch;
  padding: 18px 24px;
  background: var(--rc-stone);
}

.authority-group { margin: 24px 0 32px; }
.authority-group h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dotted var(--rc-dust);
}

.source-row {
  padding: 16px 0;
  border-bottom: 1px dotted var(--rc-dust);
  max-width: 72ch;
}
.source-row:last-child { border-bottom: 0; }
.source-row .title {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.3;
  color: var(--rc-graphite);
  margin-bottom: 6px;
}
.source-row .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--rc-mid);
  margin-bottom: 4px;
}
.source-row .url {
  font-family: var(--mono);
  font-size: 11.5px;
  word-break: break-all;
  margin-top: 4px;
}
.source-row .url a {
  color: var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
}
.source-row .url a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.source-row p strong {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--rc-mid);
}
.source-row p:has(strong) {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--rc-graphite);
  margin-top: 4px;
}

.notyet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.notyet-row {
  background: var(--rc-stone);
  padding: 22px 24px;
}
.notyet-row .topic {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.notyet-row .reason {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--rc-graphite);
}
.notyet-row .reason em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rc-mid);
}
.notyet-row .priority-note {
  margin-bottom: 8px;
}
.notyet-row .priority-note em {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13.5px;
  letter-spacing: normal;
  text-transform: none;
  color: var(--rc-graphite);
  line-height: 1.55;
}

/* AI-specific inline tag (Roadmap source rows). Standalone accent-on-stone
   pill — uses the existing --accent token only; not derived from .badge.
   No new colour tokens introduced. */
.tag-ai {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0 0 0 8px;
  margin-left: 6px;
  border-left: 2px solid var(--accent);
  vertical-align: middle;
  white-space: nowrap;
}

.coverage-cta {
  position: relative;
  margin-top: 80px;
  padding: 32px 32px 32px 36px;
  background: var(--rc-stone);
  max-width: 72ch;
}
.coverage-cta::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 32px;
  bottom: 32px;
  width: 2px;
  background: var(--accent);
}
.coverage-cta h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.25;
  color: var(--rc-graphite);
  margin-bottom: 10px;
}
.coverage-cta p {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.65;
  color: var(--rc-graphite);
}
.coverage-cta a {
  color: var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
}
.coverage-cta a:hover { color: var(--accent); border-bottom-color: var(--accent); }

@media (max-width: 980px) {
  .notyet-grid { grid-template-columns: 1fr; }
  .coverage-section-head { flex-direction: column; gap: 4px; }
}


/* ════════════════════════════════════════════════════════════
   PRICING PAGE
   ════════════════════════════════════════════════════════════ */

.page-hero {
  padding: 96px 0 64px;
  border-top: 0;
}
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--rc-graphite);
  max-width: 18ch;
  text-wrap: balance;
}
.page-hero h1 em { font-style: italic; color: var(--accent); font-weight: 400; }
.page-hero .lead {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.6;
  color: var(--rc-graphite);
  max-width: 62ch;
  margin-top: 28px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 64px;
}
.tier-card {
  background: var(--rc-stone);
  padding: 40px 32px 40px;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 640px;
}
.tier-card.is-featured {
  background: var(--rc-graphite);
  color: var(--rc-paper);
}
.tier-card.is-featured .tier-name { color: rgba(250,250,248,0.62); }
.tier-card.is-featured .tier-price-num { color: var(--rc-paper); }
.tier-card.is-featured .tier-period { color: rgba(250,250,248,0.55); }
.tier-card.is-featured .tier-desc { color: rgba(250,250,248,0.78); }
.tier-card.is-featured .feature { color: rgba(250,250,248,0.88); border-color: rgba(250,250,248,0.16); }
.tier-card.is-featured .feature::before { color: var(--rc-blue-light); }
.tier-card.is-featured .tier-cta {
  background: var(--rc-paper);
  color: var(--rc-graphite);
}
.tier-card.is-featured .tier-cta:hover { background: var(--rc-paper-bright); }

.tier-badge {
  position: absolute;
  top: -1px;
  right: 24px;
  background: var(--accent);
  color: var(--rc-paper);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 5px 10px 4px;
}

.tier-name {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.tier-card.is-featured .tier-name { color: var(--rc-blue-light); }

.tier-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}
.tier-price-num {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.018em;
  color: var(--rc-graphite);
}
.tier-price-num .currency {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 400;
  color: var(--rc-mid);
  letter-spacing: 0.04em;
  margin-right: 4px;
  vertical-align: top;
  position: relative;
  top: 8px;
}
.tier-period {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--rc-mid);
}
.tier-card.is-featured .tier-price-num .currency { color: rgba(250,250,248,0.5); }

.tier-desc {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--rc-graphite);
  margin: 16px 0 12px;
  max-width: 32ch;
}

/* "Ideal for:" line — sits between tier-desc and tier-quota. Italic dim
   ink, reuses --rc-mid and the serif body family; no new tokens. */
.tier-ideal-for {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--rc-mid);
  max-width: 36ch;
  margin: 0 0 24px;
}
.tier-card.is-featured .tier-ideal-for { color: rgba(250,250,248,0.65); }

/* Session→workflow mapping line — sits directly under tier-quota. Same
   small-italic treatment but reads as a footnote to the quota number above;
   tier-quota's bottom margin is tightened in tandem (see .tier-quota below). */
.tier-mapping {
  font-family: var(--serif);
  font-style: italic;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--rc-mid);
  margin: 0 0 16px;
  max-width: 38ch;
}
.tier-card.is-featured .tier-mapping { color: rgba(250,250,248,0.6); }

/* ROI anchor — sits just above the CTA. Small italic, dim. */
.tier-roi {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  line-height: 1.55;
  color: var(--rc-mid);
  margin: 0 0 18px;
  padding-top: 14px;
  border-top: 1px dotted var(--rc-dust);
  max-width: 32ch;
}
.tier-card.is-featured .tier-roi { color: rgba(250,250,248,0.7); border-color: rgba(250,250,248,0.16); }

.tier-quota {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--rc-dust);
}
/* Tighten the gap below tier-quota only when tier-mapping immediately
   follows it, so the two read as a footnote-pair on paid tiers. Cards
   without tier-mapping keep the default 16px below. */
.tier-quota:has(+ .tier-mapping) {
  margin-bottom: 8px;
}
.tier-card.is-featured .tier-quota { color: var(--rc-blue-light); border-color: rgba(250,250,248,0.16); }

.features { list-style: none; margin-bottom: 32px; flex: 1; }
.feature {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--rc-graphite);
  padding: 10px 0 10px 22px;
  border-bottom: 1px dotted var(--rc-dust);
  position: relative;
}
.feature:last-child { border-bottom: 0; }
.feature::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
}
.feature code {
  font-family: var(--mono);
  font-size: 12px;
}
.feature.muted { color: var(--rc-mid); }
.feature.muted::before { color: var(--rc-mid); }

.tier-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-paper);
  background: var(--accent);
  padding: 14px 18px 13px;
  margin-top: auto;
  text-decoration: none;
  transition: background 0.15s;
}
.tier-cta:hover { background: var(--accent-deep); }
.tier-cta.outline {
  background: transparent;
  color: var(--rc-graphite);
  border: 1px solid var(--rc-graphite);
  padding: 13px 17px 12px;
}
.tier-cta.outline:hover { background: var(--rc-graphite); color: var(--rc-paper); }

.common-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 48px;
}
.common-item { background: var(--rc-stone); padding: 24px; display: flex; flex-direction: column; }
.common-item .b { margin-bottom: 14px; }
.common-item-note { margin-top: 8px; }
.common-item-note em { color: var(--rc-mid); font-style: italic; }
.common-item .tier-cta {
  margin-top: auto;
  align-self: flex-start;
  width: auto;
}
.common-item .h {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.common-item .b {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--rc-graphite);
}
.common-item .b code {
  font-family: var(--mono);
  font-size: 12.5px;
}

.faq { margin-top: 48px; border-top: 1px solid var(--rc-graphite); }
.faq-item {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 48px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rc-dust);
  align-items: baseline;
}
.faq-q {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--rc-graphite);
}
.faq-q .n {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--rc-mid);
  display: block;
  margin-bottom: 8px;
}
.faq-a {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.65;
  color: var(--rc-graphite);
  max-width: 64ch;
}
.faq-a em { font-style: italic; color: var(--rc-mid); }
.faq-a code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--rc-stone);
  padding: 1px 6px;
  color: var(--rc-graphite);
}
.faq-a a {
  color: var(--rc-graphite);
  border-bottom: 1px solid var(--rc-dust);
}
.faq-a a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.cta-stripe {
  margin-top: 96px;
  padding: 56px 0;
  border-top: 1px solid var(--rc-dust);
  border-bottom: 1px solid var(--rc-dust);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 48px;
  align-items: center;
}
.cta-stripe .cta-h {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--rc-graphite);
  max-width: 22ch;
}
.cta-stripe .cta-h em { font-style: italic; color: var(--accent); }
.cta-stripe .cta-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.pricing-footnote {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--rc-mid);
  margin-top: 32px;
  line-height: 1.7;
}

/* Hero anchor block: static "Today / Next" pair below the H1. Replaces
   the PR #15 rotating ticker. Lock one ICP first, make scope visible
   all at once, no rotation. Two rows in a tight monospace-label +
   serif-value rhythm; the "Next" row is muted to keep the Today row
   anchoring the eye. */
.hero-anchor {
  margin: 18px 0 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-anchor-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 14px;
  align-items: baseline;
  margin: 0;
}
.hero-anchor-row .label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.hero-anchor-row .value {
  font-family: var(--serif);
  font-size: 19px;
  font-style: italic;
  font-weight: 400;
  line-height: 1.35;
  color: var(--rc-graphite);
}
.hero-anchor-next .label { color: var(--rc-mid); }
.hero-anchor-next .value {
  font-size: 15.5px;
  color: var(--rc-mid);
}
.hero-anchor-next .value a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--rc-dust);
}
.hero-anchor-next .value a:hover {
  text-decoration-color: var(--accent);
}

/* § 06 · APPLIES TO — three-column grid of vertical cards. Reuses the same
   stone-paper background + dust border vocabulary as other card grids on
   this page. The featured card (AI Act) carries a subtle accent border to
   signal strategic emphasis without breaking the no-rounded-corners rule. */
.applies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 36px;
}
.applies-card {
  background: var(--rc-stone);
  padding: 28px 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.applies-card--featured {
  background: var(--rc-paper);
  border-top: 2px solid var(--accent);
}
.applies-status {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-mid);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rc-dust);
}
.applies-status--live { color: var(--accent); }
.applies-status--active { color: var(--rc-mid); }
.applies-h {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--rc-graphite);
  margin: 0;
}
.applies-body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--rc-graphite);
  margin: 0;
}
.applies-example {
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--rc-mid);
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--rc-dust);
  background: rgba(0, 0, 0, 0.015);
}
.applies-card--featured .applies-example {
  background: var(--rc-stone);
  border-left-color: var(--accent);
}
.applies-citations {
  border-top: 1px dotted var(--rc-dust);
  padding-top: 14px;
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.applies-cit-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-mid);
}
.applies-citations p {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 13px;
  line-height: 1.55;
  color: var(--rc-graphite);
  margin: 0 0 8px;
}
.applies-citations p:last-child { margin-bottom: 0; }
.applies-cta {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  margin-top: 4px;
  transition: background 120ms ease, color 120ms ease;
}
.applies-cta:hover {
  background: var(--accent);
  color: var(--rc-paper);
}
.applies-card--featured .applies-cta {
  background: var(--accent);
  color: var(--rc-paper);
}
.applies-card--featured .applies-cta:hover {
  background: var(--accent-deep);
}
.applies-foot {
  margin-top: 24px;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.6;
  color: var(--rc-mid);
  max-width: 72ch;
}
.applies-foot a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--rc-dust);
}
.applies-foot a:hover { text-decoration-color: var(--accent); }

@media (max-width: 980px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .tier-card { min-height: auto; }
  .common-grid { grid-template-columns: 1fr; }
  .faq-item { grid-template-columns: 1fr; gap: 12px; }
  .cta-stripe { grid-template-columns: 1fr; }
  .cta-stripe .cta-actions { justify-content: flex-start; }
  .applies-grid { grid-template-columns: 1fr; }
}


/* ─────────────────────────────────────────────────────────────
   INSIGHTS — index page + article layout
   ─────────────────────────────────────────────────────────────
   Design contract: editorial, not marketing. IBM Plex Serif body
   at a reading width. Same hairline-and-stone discipline as the
   rest of the site; no new colour tokens.
   ───────────────────────────────────────────────────────────── */

/* ─── Insights index ────────────────────────────────────────── */

.insights-index { padding-top: var(--s-12); }

.insights-sub { max-width: 52ch; margin-top: 20px; margin-bottom: 56px; }

.insights-list {
  list-style: none;
  padding: 0;
  margin: 0 0 56px;
  border-top: 1px solid var(--rc-dust);
}

.insights-item { border-bottom: 1px solid var(--rc-dust); }

.insights-link {
  display: block;
  padding: 36px 0;
  text-decoration: none;
  transition: background 0.1s;
}
.insights-link:hover .insights-title { color: var(--accent); }

.insights-date {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--rc-mid);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.insights-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--rc-graphite);
  margin-bottom: 12px;
  transition: color 0.15s;
}

.insights-desc {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 14.5px;
  color: var(--rc-mid);
  line-height: 1.6;
  max-width: 58ch;
  margin-bottom: 14px;
}

.insights-read {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}

.insights-empty {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  color: var(--rc-mid);
  padding: 40px 0;
  font-style: italic;
}

.insights-feeds {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
}

.insights-feeds-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-mid-soft);
}

.insights-feed-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rc-mid);
  border-bottom: 1px solid var(--rc-dust);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.insights-feed-link:hover { color: var(--rc-graphite); border-color: var(--rc-graphite); }

/* ─── Article layout ────────────────────────────────────────── */

.article-layout {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--s-12) 0 var(--s-16);
}

.article-header { margin-bottom: 56px; }

.article-back {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rc-mid);
  margin-bottom: 32px;
}
.article-back a {
  color: inherit;
  transition: color 0.15s;
}
.article-back a:hover { color: var(--rc-graphite); }

.article-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--rc-graphite);
  margin: 24px 0 20px;
  max-width: 20ch;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--rc-mid);
}

.article-sep { opacity: 0.5; }

/* ─── Article body (prose) ──────────────────────────────────── */

.article-body {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.72;
  color: var(--rc-graphite);
  max-width: 65ch;
}

.article-body p {
  margin-bottom: 1.5em;
}

.article-body h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rc-mid);
  margin: 3em 0 1.2em;
  padding-top: 2em;
  border-top: 1px solid var(--rc-dust);
}

.article-body a {
  color: var(--accent);
  border-bottom: 1px solid var(--rc-dust);
  padding-bottom: 1px;
  transition: border-color 0.15s;
}
.article-body a:hover { border-bottom-color: var(--accent); }

.article-body code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--rc-stone);
  padding: 2px 6px;
  border-radius: 2px;
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--rc-dust);
  margin: 2.5em 0;
}

.article-body em {
  font-style: italic;
}

.article-body strong {
  font-weight: 500;
}

/* Footer italic note (sources/further reading) */
.article-body p:last-child { color: var(--rc-mid); }

/* ─── Pullquotes ────────────────────────────────────────────── */

.article-body .article-pullquote {
  margin: 2.5em 0;
  padding: 28px 0 0;
  border-top: 2px solid var(--rc-graphite);
  border-left: none;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--rc-graphite);
  max-width: 34ch;
  text-wrap: balance;
}

/* ─── Article footer ────────────────────────────────────────── */

.article-footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--rc-dust);
}

.article-footer-back {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rc-mid);
  transition: color 0.15s;
}
.article-footer-back:hover { color: var(--rc-graphite); }

/* ─── Insights responsive ───────────────────────────────────── */

@media (max-width: 760px) {
  .insights-link { padding: 28px 0; }
  .article-layout { padding-top: var(--s-10); }
  .article-title { max-width: none; }
  .article-body { font-size: 16px; }
  .article-body .article-pullquote { font-size: 20px; max-width: none; }
}