/* =================================================================
   8th Light — Long-form report template
   Vanilla CSS. Brand-faithful type system, minimal color,
   light/dark themes, aggressive responsive scale.
   See TEMPLATE_GUIDE.md for authoring, STYLE_GUIDE.md for tokens.
   ================================================================= */

/* ---- Brand fonts -------------------------------------------------
   GT Flexa and GT Flexa Mono are licensed (Grilli Type) and have no
   free CDN. Drop the .woff2 files into /fonts/ (see fonts/README.txt)
   and these @font-face slots pick them up automatically. Until then,
   the family list falls through to Space Grotesk / Space Mono, which
   are close in character. Avenir Next is a macOS system font and
   renders natively when presenting from a Mac; Mulish is the web
   fallback for other machines.
------------------------------------------------------------------- */
@font-face {
  font-family: "GT Flexa";
  src: url("fonts/GT-Flexa-Standard-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "GT Flexa Mono";
  src: url("fonts/GT-Flexa-Mono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ---- Tokens ------------------------------------------------------ */
:root {
  /* 8th Light core neutrals */
  --black: #020303;
  --true-black: #000000;
  --charcoal: #141414;
  --dark-gray: #3c3c3c;
  --mid-gray: #808080;
  --muted-blue-gray: #777f88;
  --light-gray: #dedede;
  --lighter-gray: #ebebeb;
  --lightest-gray: #f4f4f4;
  --white: #ffffff;

  /* Single restrained accent (8th Light Red / PMS 1788).
     Used only for active state, progress, and a handful of emphasis
     marks. Set --accent to a neutral to remove color entirely. */
  --accent: #f32735;

  /* Type families */
  --font-display: "GT Flexa", "Space Grotesk", "Avenir Next", system-ui, sans-serif;
  --font-mono: "GT Flexa Mono", "Space Mono", ui-monospace, "SFMono-Regular", monospace;
  --font-body: "Avenir Next", "Mulish", system-ui, -apple-system, sans-serif;

  /* Aggressive responsive type scale (mobile -> desktop, anchored on
     the 8th Light scale). clamp(min, fluid, max). */
  --fs-display: clamp(3.5rem, 1.6rem + 8vw, 6rem);      /* 56 -> 96 */
  --fs-h1:      clamp(2.75rem, 1.2rem + 6.6vw, 5rem);   /* 44 -> 80 */
  --fs-h2:      clamp(2.1rem, 1.1rem + 4.2vw, 3.5rem);  /* ~34 -> 56 */
  --fs-h3:      clamp(1.75rem, 1.2rem + 2.4vw, 3rem);   /* 28 -> 48 */
  --fs-h4:      clamp(1.3125rem, 1.15rem + 0.7vw, 1.5rem); /* 21 -> 24 */
  --fs-subtitle: clamp(1.375rem, 1.1rem + 1.2vw, 1.75rem); /* 22 -> 28 */
  --fs-lead:    clamp(1.125rem, 1rem + 0.55vw, 1.3125rem);  /* 18 -> 21 */
  --fs-body:    clamp(1rem, 0.96rem + 0.18vw, 1.125rem);   /* 16 -> 18 */
  --fs-small:   clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem); /* 13 -> 14 */
  --fs-eyebrow: clamp(0.75rem, 0.72rem + 0.1vw, 0.8125rem);

  /* Spacing rhythm */
  --space-section: clamp(4rem, 2rem + 9vw, 8.5rem);
  --measure: 38rem;            /* reading width, single column */
  --measure-wide: 64rem;

  --radius: 4px;
  --line-fast: 180ms;
  --line-med: 320ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --header-h: 64px;
}

/* ---- Themes ------------------------------------------------------ */
[data-theme="light"] {
  --bg: var(--white);
  --bg-alt: var(--lightest-gray);
  --bg-inset: var(--lighter-gray);
  --surface: var(--white);
  --text: var(--charcoal);
  --text-strong: var(--black);
  --text-soft: var(--dark-gray);
  --text-faint: var(--muted-blue-gray);
  --line: var(--lighter-gray);
  --line-strong: var(--light-gray);
  --header-bg: rgba(255, 255, 255, 0.82);
  --shadow: 0 1px 0 rgba(2, 3, 3, 0.04), 0 18px 40px -28px rgba(2, 3, 3, 0.22);
}
[data-theme="dark"] {
  --bg: #0a0b0b;
  --bg-alt: var(--charcoal);
  --bg-inset: #1c1c1c;
  --surface: var(--charcoal);
  --text: var(--lightest-gray);
  --text-strong: var(--white);
  --text-soft: var(--light-gray);
  --text-faint: #9aa1a8;
  --line: #2a2a2a;
  --line-strong: var(--dark-gray);
  --header-bg: rgba(10, 11, 11, 0.78);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03), 0 22px 48px -30px rgba(0, 0, 0, 0.7);
}

/* ---- Reset / base ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
html { scroll-padding-top: calc(var(--header-h) + 1.5rem); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--line-med) var(--ease), color var(--line-med) var(--ease);
  overflow-x: hidden;
}

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

strong { font-weight: 700; color: var(--text-strong); }
em { font-style: italic; }

a { color: inherit; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--text-strong); color: var(--bg);
  padding: 0.6rem 1rem; border-radius: var(--radius); z-index: 200;
  font-family: var(--font-body); font-weight: 600; text-decoration: none;
  transition: top var(--line-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =================================================================
   Header
   ================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 90rem; margin: 0 auto;
  height: var(--header-h);
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.5rem);
}
.wordmark {
  display: inline-flex; align-items: center; gap: 0.5rem;
  text-decoration: none; color: var(--text-strong);
  font-family: var(--font-display); font-weight: 500;
  font-size: 1.0625rem; letter-spacing: -0.01em; white-space: nowrap;
}
.wordmark-mark { color: var(--accent); font-size: 1.1em; line-height: 1; }

.tabs {
  display: flex; align-items: center; gap: 0.25rem;
  margin: 0 auto; flex: 1; justify-content: center;
}
.tab {
  appearance: none; background: none; border: 0; cursor: pointer;
  font-family: var(--font-body); font-weight: 600;
  font-size: var(--fs-small); color: var(--text-faint);
  padding: 0.55rem 0.85rem; border-radius: var(--radius);
  position: relative; white-space: nowrap;
  transition: color var(--line-fast) var(--ease), background var(--line-fast) var(--ease);
}
.tab:hover { color: var(--text-strong); background: var(--bg-inset); }
.tab[aria-selected="true"] { color: var(--text-strong); }
.tab[aria-selected="true"]::after {
  content: ""; position: absolute; left: 0.85rem; right: 0.85rem; bottom: -1px; height: 2px;
  background: var(--accent); border-radius: 2px;
}
.tab-index {
  font-family: var(--font-mono); font-weight: 500; font-size: 0.72em;
  color: var(--text-faint); margin-right: 0.15em;
}
.tab[aria-selected="true"] .tab-index { color: var(--accent); }

.theme-toggle {
  appearance: none; background: none; border: 0; cursor: pointer;
  padding: 0; margin-left: auto; flex-shrink: 0;
}
.theme-toggle-track {
  display: inline-flex; align-items: center; justify-content: space-between;
  width: 56px; height: 30px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--bg-inset);
  padding: 0 7px; position: relative;
  transition: background var(--line-med) var(--ease), border-color var(--line-med) var(--ease);
}
.theme-toggle-icon { font-size: 13px; line-height: 1; z-index: 1; }
.theme-toggle-sun { color: var(--mid-gray); }
.theme-toggle-moon { color: var(--mid-gray); }
.theme-toggle-thumb {
  position: absolute; top: 50%; left: 3px; transform: translateY(-50%);
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--text-strong);
  transition: left var(--line-med) var(--ease), background var(--line-med) var(--ease);
}
[data-theme="dark"] .theme-toggle-thumb { left: calc(100% - 25px); }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0%;
  background: var(--accent);
  transition: width 80ms linear;
}

/* =================================================================
   Tab panels
   ================================================================= */
.tabpanel { display: none; }
.tabpanel.is-active { display: block; animation: fade var(--line-med) var(--ease); }
@keyframes fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.wrap {
  max-width: 90rem; margin: 0 auto;
  padding-left: clamp(1.25rem, 5vw, 4rem);
  padding-right: clamp(1.25rem, 5vw, 4rem);
}

/* =================================================================
   Shared type
   ================================================================= */
.eyebrow {
  font-family: var(--font-mono); font-weight: 500;
  font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-faint);
}
.display {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-display); line-height: 1.02; letter-spacing: -0.025em;
  color: var(--text-strong); text-wrap: balance;
}
.standfirst {
  font-family: var(--font-body); font-weight: 500;
  font-size: var(--fs-subtitle); line-height: 1.35;
  color: var(--text-soft); max-width: 30ch; text-wrap: pretty;
}
.muted { color: var(--text-faint); }
.small { font-size: var(--fs-small); line-height: 1.55; }

/* =================================================================
   Overview / hero
   ================================================================= */
.hero { padding-top: clamp(4rem, 10vw, 9rem); padding-bottom: clamp(2.5rem, 6vw, 5rem); }
.hero .eyebrow { margin-bottom: 1.75rem; }
.hero .display { margin-bottom: 1.75rem; }
.hero .standfirst { margin-bottom: 2.25rem; }
.hero-meta {
  font-family: var(--font-mono); font-size: var(--fs-small);
  color: var(--text-faint); letter-spacing: 0.02em;
}

.lead-finding {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  margin-top: clamp(2rem, 5vw, 4rem);
}
.lead-finding .eyebrow { margin-bottom: 1.25rem; }
.lead-finding-text {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-h3); line-height: 1.22; letter-spacing: -0.015em;
  color: var(--text-strong); max-width: 24ch; text-wrap: balance;
}
.lead-finding-text strong { color: var(--accent); font-weight: 500; }

.stat-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.stat { display: flex; flex-direction: column; gap: 0.5rem; }
.stat-num {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(3rem, 2rem + 4vw, 4.5rem); line-height: 0.95;
  letter-spacing: -0.03em; color: var(--text-strong);
}
.stat-label {
  font-size: var(--fs-small); color: var(--text-faint); line-height: 1.4;
  max-width: 22ch;
}

.entry-cards {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2.5vw, 1.75rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.entry-card {
  appearance: none; cursor: pointer; text-align: left;
  display: flex; gap: clamp(1rem, 2.5vw, 2rem); align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 2);
  padding: clamp(1.75rem, 4vw, 3rem);
  transition: border-color var(--line-fast) var(--ease), transform var(--line-fast) var(--ease), box-shadow var(--line-fast) var(--ease);
  box-shadow: var(--shadow);
}
.entry-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.entry-index {
  font-family: var(--font-mono); font-weight: 500;
  font-size: clamp(1.75rem, 3vw, 2.5rem); color: var(--text-faint);
  line-height: 1; flex-shrink: 0;
}
.entry-body { display: flex; flex-direction: column; gap: 0.6rem; }
.entry-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-h4); color: var(--text-strong); letter-spacing: -0.01em;
}
.entry-desc { font-size: var(--fs-small); color: var(--text-soft); line-height: 1.5; }
.entry-go {
  font-family: var(--font-body); font-weight: 700; font-size: var(--fs-small);
  color: var(--accent); margin-top: 0.35rem;
}
.entry-card:hover .entry-go span { margin-left: 0.25rem; }
.entry-go span { transition: margin var(--line-fast) var(--ease); display: inline-block; }

.closing-note { padding-bottom: clamp(3rem, 7vw, 6rem); }
.closing-note p { max-width: 60ch; }

/* =================================================================
   Document layout (Audit / Proposal)
   ================================================================= */
.doc-layout {
  max-width: 90rem; margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.25rem, 5vw, 4rem) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
@media (min-width: 64rem) {
  .doc-layout { grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(3rem, 6vw, 6rem); }
}

/* side rail nav */
.rail { display: none; }
@media (min-width: 64rem) {
  .rail {
    display: block; position: sticky; top: calc(var(--header-h) + 2rem);
    align-self: start; max-height: calc(100vh - var(--header-h) - 4rem); overflow: auto;
  }
}
.rail-title {
  font-family: var(--font-mono); font-size: var(--fs-eyebrow);
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--text-faint);
  padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line);
}
.rail-nav { display: flex; flex-direction: column; gap: 0.15rem; }
.rail-link {
  text-decoration: none; color: var(--text-faint);
  font-size: var(--fs-small); line-height: 1.35;
  padding: 0.5rem 0 0.5rem 0.85rem;
  border-left: 2px solid var(--line);
  transition: color var(--line-fast) var(--ease), border-color var(--line-fast) var(--ease);
}
.rail-link:hover { color: var(--text-strong); border-color: var(--line-strong); }
.rail-link.is-current { color: var(--text-strong); border-color: var(--accent); font-weight: 600; }

/* document body */
.doc { min-width: 0; max-width: 52rem; }
.doc-head {
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line);
}
.doc-head .eyebrow { margin-bottom: 1.25rem; }
.doc-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-h1); line-height: 1.0; letter-spacing: -0.025em;
  color: var(--text-strong); margin-bottom: 1.5rem; text-wrap: balance;
}
.doc-dek {
  font-size: var(--fs-lead); line-height: 1.5; color: var(--text-soft);
  max-width: 60ch; font-weight: 500;
}

/* sections */
.sec { padding-top: var(--space-section); scroll-margin-top: calc(var(--header-h) + 1.5rem); }
.sec:first-of-type { padding-top: 0; }
.sec-index {
  font-family: var(--font-mono); font-weight: 500;
  font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.sec-title {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-h2); line-height: 1.05; letter-spacing: -0.02em;
  color: var(--text-strong); margin-bottom: 1.5rem; max-width: 20ch; text-wrap: balance;
}
.subhead {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-h4); line-height: 1.2; letter-spacing: -0.01em;
  color: var(--text-strong); margin-top: 2.5rem; margin-bottom: 0.85rem;
}

.doc p { max-width: var(--measure); margin-bottom: 1.15rem; color: var(--text); }
.doc p.small { max-width: 60ch; }
.doc > article > .sec > p:last-child { margin-bottom: 0; }

/* pull quote */
.pull {
  margin: clamp(2rem, 4vw, 3rem) 0;
  padding-left: clamp(1.25rem, 3vw, 2rem);
  border-left: 3px solid var(--accent);
}
.pull p {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--fs-h3); line-height: 1.18; letter-spacing: -0.015em;
  color: var(--text-strong); max-width: 24ch; margin: 0;
}

/* callouts */
.callout {
  background: var(--bg-alt); border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 2);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  margin: clamp(1.75rem, 3.5vw, 2.5rem) 0;
  max-width: var(--measure-wide);
}
.callout-accent { border-left: 3px solid var(--accent); }
.callout-label {
  font-family: var(--font-mono); font-weight: 500;
  font-size: var(--fs-eyebrow); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 0.85rem;
}
.callout p:not(.callout-label) { max-width: 62ch; margin-bottom: 0.9rem; }
.callout p:last-child { margin-bottom: 0; }

/* two-up panels */
.two-up {
  display: grid; grid-template-columns: 1fr; gap: 1.25rem;
  max-width: var(--measure-wide);
}
@media (min-width: 40rem) { .two-up { grid-template-columns: 1fr 1fr; } }
.panel {
  border: 1px solid var(--line); border-radius: calc(var(--radius) * 2);
  padding: clamp(1.5rem, 3vw, 2rem); background: var(--surface);
}
.panel-muted { background: var(--bg-alt); }
.panel-label {
  font-family: var(--font-mono); font-weight: 500;
  font-size: var(--fs-eyebrow); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 1rem;
}
.panel p { margin-bottom: 0; }

/* lists */
ul.ticks, ul.crosses { list-style: none; padding: 0; max-width: var(--measure-wide); }
ul.ticks li, ul.crosses li {
  position: relative; padding-left: 1.9rem; margin-bottom: 0.85rem;
  line-height: 1.5; font-size: var(--fs-small); color: var(--text-soft);
}
ul.ticks.ticks-lg li { font-size: var(--fs-body); color: var(--text); margin-bottom: 1.1rem; }
ul.ticks li::before {
  content: "→"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 700;
}
ul.crosses li::before {
  content: "✕"; position: absolute; left: 0; top: 0;
  color: var(--text-faint); font-size: 0.8em; top: 0.15em;
}

ol.numbered { list-style: none; counter-reset: n; padding: 0; max-width: var(--measure); }
ol.numbered li {
  counter-increment: n; position: relative; padding-left: 2.4rem;
  margin-bottom: 1rem; line-height: 1.5;
}
ol.numbered li::before {
  content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: 0.05em;
  font-family: var(--font-mono); font-weight: 500; font-size: 0.85em;
  color: var(--accent);
}

/* definition list (finding 1) */
.deflist {
  display: grid; gap: 0; max-width: var(--measure-wide);
  border-top: 1px solid var(--line); margin: 1.5rem 0;
}
.def {
  padding: 1.5rem 0; border-bottom: 1px solid var(--line);
  display: grid; gap: 0.6rem;
}
@media (min-width: 48rem) {
  .def { grid-template-columns: 14rem 1fr; gap: 2rem; }
}
.def-term {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); line-height: 1.15; letter-spacing: -0.01em;
}
.def-desc { font-size: var(--fs-small); color: var(--text-soft); line-height: 1.55; margin: 0; max-width: 56ch; }
.def > div { display: flex; flex-direction: column; gap: 0.85rem; }

/* "front one / front two" */
.front {
  margin: 1.5rem 0; padding-left: clamp(1rem, 2.5vw, 1.5rem);
  border-left: 2px solid var(--line-strong); max-width: var(--measure-wide);
}
.front-label {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); margin-bottom: 0.6rem; letter-spacing: -0.01em;
}
.front p { margin-bottom: 0; max-width: 62ch; }

/* resolve list / decisions / bid */
ol.resolve-list, ol.decisions {
  list-style: none; counter-reset: r; padding: 0; max-width: var(--measure-wide);
}
ol.resolve-list li {
  counter-increment: r; position: relative; padding: 1.25rem 0 1.25rem 3rem;
  border-top: 1px solid var(--line); line-height: 1.45;
}
ol.resolve-list li:last-child { border-bottom: 1px solid var(--line); }
ol.resolve-list li::before {
  content: counter(r, decimal-leading-zero); position: absolute; left: 0; top: 1.3rem;
  font-family: var(--font-mono); font-weight: 500; color: var(--text-faint); font-size: 0.95em;
}

.next-step {
  margin-top: clamp(2rem, 4vw, 3rem); padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; justify-content: space-between;
}
.next-step p {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); margin: 0; max-width: 28ch; letter-spacing: -0.01em;
}

.btn {
  appearance: none; cursor: pointer;
  font-family: var(--font-body); font-weight: 700; font-size: var(--fs-small);
  background: var(--text-strong); color: var(--bg);
  border: 0; border-radius: 999px; padding: 0.8rem 1.4rem;
  white-space: nowrap; transition: transform var(--line-fast) var(--ease), opacity var(--line-fast) var(--ease);
}
.btn:hover { transform: translateY(-2px); opacity: 0.92; }
.btn span { transition: margin var(--line-fast) var(--ease); display: inline-block; }
.btn:hover span { margin-left: 0.3rem; }

/* =================================================================
   Proposal-specific components
   ================================================================= */

/* principles */
ol.principles { list-style: none; padding: 0; max-width: var(--measure-wide); }
ol.principles li {
  display: flex; gap: 1.25rem; align-items: flex-start;
  padding: 1.5rem 0; border-top: 1px solid var(--line); line-height: 1.5;
}
ol.principles li:last-child { border-bottom: 1px solid var(--line); }
.principle-num {
  font-family: var(--font-mono); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-faint); flex-shrink: 0; line-height: 1.2; min-width: 1.5rem;
}
.principle-body { max-width: 60ch; }

/* the ladder */
ol.ladder {
  list-style: none; padding: 0; margin: 1.5rem 0; max-width: var(--measure-wide);
  border-top: 1px solid var(--line);
}
ol.ladder li {
  display: flex; align-items: baseline; gap: 1.25rem;
  padding: 0.95rem 0; border-bottom: 1px solid var(--line);
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.25rem, 0.9rem + 1.6vw, 1.75rem); letter-spacing: -0.015em;
  color: var(--text-strong);
  transition: padding-left var(--line-fast) var(--ease);
}
ol.ladder li:hover { padding-left: 0.5rem; }
.ladder-n {
  font-family: var(--font-mono); font-weight: 500; font-size: 0.6em;
  color: var(--text-faint); min-width: 2rem;
}

/* specializations — row layout */
.spec-grid {
  display: grid; gap: 0;
  max-width: var(--measure-wide);
  margin: 1.5rem 0;
  border-top: 1px solid var(--line);
}
.spec {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.45rem;
}
@media (min-width: 48rem) {
  .spec {
    grid-template-columns: 14rem 1fr;
    gap: 2rem;
    align-items: baseline;
  }
}
.spec-name {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); letter-spacing: -0.01em;
  line-height: 1.15; margin: 0;
}
.spec-desc {
  font-size: var(--fs-small); color: var(--text-soft);
  line-height: 1.55; margin: 0; max-width: 56ch;
}

/* rubric */
.rubric {
  display: grid; gap: 0; max-width: var(--measure-wide);
  border-top: 1px solid var(--line); margin: 1.5rem 0;
}
.rubric-area {
  display: grid; grid-template-columns: 3rem 1fr; gap: 1.25rem;
  padding: 1.75rem 0; border-bottom: 1px solid var(--line);
}
.rubric-area-feature {
  background: var(--bg-alt);
  margin: 0 calc(-1 * clamp(1rem, 3vw, 2rem));
  padding-left: clamp(1rem, 3vw, 2rem); padding-right: clamp(1rem, 3vw, 2rem);
  grid-template-columns: 3rem 1fr;
  border-radius: calc(var(--radius) * 2);
  border-bottom: 0; margin-top: 0.5rem; margin-bottom: 0.5rem;
}
.rubric-n {
  font-family: var(--font-mono); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-faint); line-height: 1.1;
}
.rubric-area-feature .rubric-n { color: var(--accent); }
.rubric-name {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); margin-bottom: 0.6rem; letter-spacing: -0.01em;
}
.rubric-area p { max-width: 60ch; margin-bottom: 0; }
ul.subareas { list-style: none; padding: 0; margin-top: 1rem; }
ul.subareas li {
  position: relative; padding-left: 1.4rem; margin-bottom: 0.6rem;
  font-size: var(--fs-small); color: var(--text-soft); line-height: 1.5; max-width: 60ch;
}
ul.subareas li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}

/* scaling table */
.table-scroll { overflow-x: auto; max-width: var(--measure-wide); margin: 1.5rem 0; -webkit-overflow-scrolling: touch; }
.scale-table {
  width: 100%; border-collapse: collapse; min-width: 44rem;
  font-size: var(--fs-small);
}
.scale-table th, .scale-table td {
  text-align: left; padding: 0.85rem 1rem; vertical-align: top;
  border-bottom: 1px solid var(--line); line-height: 1.4;
}
.scale-table thead th {
  font-family: var(--font-mono); font-weight: 500; font-size: var(--fs-eyebrow);
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint);
  border-bottom: 1px solid var(--line-strong); position: sticky; top: 0; background: var(--bg);
}
.scale-table tbody th {
  font-family: var(--font-display); font-weight: 500; color: var(--text-strong);
  white-space: nowrap; font-size: var(--fs-body);
}
.scale-table td { color: var(--text-soft); }
.scale-table tbody tr:hover { background: var(--bg-alt); }

/* failure modes */
.failure-modes {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  max-width: var(--measure-wide); margin: 1.25rem 0;
}
@media (min-width: 52rem) { .failure-modes { grid-template-columns: repeat(3, 1fr); } }
.fm {
  border: 1px solid var(--line); border-radius: calc(var(--radius) * 2);
  padding: 1.5rem; background: var(--surface);
}
.fm-title {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); margin-bottom: 0.75rem; letter-spacing: -0.01em; line-height: 1.1;
}
.fm-risk { font-size: var(--fs-small); color: var(--text-soft); margin-bottom: 1rem; line-height: 1.5; }
.fm-fix { font-size: var(--fs-small); color: var(--text); line-height: 1.5; margin: 0; }
.fm-fix-label {
  display: block; font-family: var(--font-mono); font-weight: 500;
  font-size: var(--fs-eyebrow); text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 0.3rem;
}

/* bid format */
ol.bid { list-style: none; padding: 0; max-width: var(--measure-wide); }
ol.bid li {
  display: flex; gap: 1.25rem; align-items: flex-start;
  padding: 1.35rem 0; border-top: 1px solid var(--line);
}
ol.bid li:last-child { border-bottom: 1px solid var(--line); }
.bid-n {
  font-family: var(--font-mono); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-faint); flex-shrink: 0; line-height: 1.1; min-width: 1.5rem;
}
.bid-t {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); margin-bottom: 0.4rem; letter-spacing: -0.01em; line-height: 1.15;
}
ol.bid li div p:not(.bid-t) { font-size: var(--fs-small); color: var(--text-soft); margin: 0; max-width: 56ch; line-height: 1.5; }

/* outcomes */
.outcomes {
  display: grid; grid-template-columns: 1fr; gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: calc(var(--radius) * 2); overflow: hidden;
  margin: 1.25rem 0; max-width: var(--measure-wide);
}
@media (min-width: 48rem) { .outcomes { grid-template-columns: repeat(3, 1fr); } }
.outcome { background: var(--surface); padding: 1.5rem; }
.outcome-t {
  font-family: var(--font-display); font-weight: 500; font-size: var(--fs-h4);
  color: var(--text-strong); margin-bottom: 0.6rem; letter-spacing: -0.01em;
}
.outcome p:not(.outcome-t) { font-size: var(--fs-small); color: var(--text-soft); margin: 0; line-height: 1.5; }

/* changes / tensions wrappers */
.change, .tension { max-width: var(--measure-wide); }

/* decisions (final ask) */
ol.decisions li {
  counter-increment: r; position: relative;
  display: flex; gap: 1.25rem; align-items: baseline;
  padding: 1.35rem 0; border-top: 1px solid var(--line); line-height: 1.45;
  font-size: var(--fs-lead);
}
ol.decisions li:last-child { border-bottom: 1px solid var(--line); }
.decision-n {
  font-family: var(--font-mono); font-weight: 500; font-size: 1em;
  color: var(--accent); flex-shrink: 0; min-width: 1.5rem;
}

/* =================================================================
   Footer
   ================================================================= */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(4rem, 9vw, 8rem);
  background: var(--bg-alt);
}
.footer-inner {
  max-width: 90rem; margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.25rem, 5vw, 4rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; justify-content: space-between;
}
.footer-mark {
  font-family: var(--font-display); font-weight: 500; font-size: 1.0625rem;
  color: var(--text-strong);
}
.footer-mark span { color: var(--accent); }
.footer-meta { font-family: var(--font-mono); font-size: var(--fs-small); color: var(--text-faint); }
.footer-top {
  appearance: none; background: none; border: 1px solid var(--line-strong);
  border-radius: 999px; cursor: pointer; padding: 0.6rem 1.1rem;
  font-family: var(--font-body); font-weight: 600; font-size: var(--fs-small);
  color: var(--text-soft); transition: color var(--line-fast) var(--ease), border-color var(--line-fast) var(--ease);
}
.footer-top:hover { color: var(--text-strong); border-color: var(--text-strong); }

/* =================================================================
   Draft banner
   ================================================================= */
.draft-banner {
  background: var(--accent);
  color: #fff;
  padding: 0.55rem clamp(1rem, 3vw, 2.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.3;
}
.draft-tag {
  background: rgba(0, 0, 0, 0.22);
  padding: 0.18rem 0.55rem;
  border-radius: 2px;
  letter-spacing: 0.16em;
}
.draft-meta {
  opacity: 0.92;
  letter-spacing: 0.08em;
}

/* =================================================================
   Small screens
   ================================================================= */
@media (max-width: 40rem) {
  .stat-strip { grid-template-columns: 1fr 1fr; gap: 1.75rem 1.25rem; }
  .entry-cards { grid-template-columns: 1fr; }
  .tabs { gap: 0; }
  .tab { padding: 0.5rem 0.55rem; }
  .rubric-area-feature { margin-left: 0; margin-right: 0; }
}