/* ============================================================
   Canadian Institute for Exotic Science
   Stylesheet v0.1
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600;9..144,700&family=Source+Serif+4:opsz,wght@8..60,300;8..60,400;8..60,500;8..60,600&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- Design tokens ---------- */
:root {
  --paper: #F4F0E6;
  --paper-shade: #EBE6D8;
  --ink: #1C1B17;
  --ink-soft: #3A3833;
  --ink-faint: #6B6862;
  --rule: #C9C2B0;
  --rule-soft: #DDD7C6;
  --crimson: #8E2424;
  --crimson-dark: #6E1818;
  --slate: #2E4456;
  --gold: #A68C5C;

  /* Four-flag honesty system — the site's core identity.
     All four levels are tokens so every surface (prose, tables,
     interactives, feedback UI) draws the same colours. */
  --flag-established: #2d5e1f;
  --flag-frontier: var(--gold);
  --flag-speculative: #b07020;
  --flag-handwave: var(--crimson);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --measure: 68ch;
  --measure-wide: 86ch;
  --gutter: clamp(1rem, 3vw, 2.5rem);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(rgba(28,27,23,0.025) 1px, transparent 1px);
  background-size: 4px 4px;
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Top bar ---------- */
.topbar {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background-color: rgba(244, 240, 230, 0.92);
}

.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.9rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  position: relative;
  background: var(--paper);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--paper);
  border: 1.5px solid var(--ink);
}

.brand-mark::before { top: -4px; left: -4px; }
.brand-mark::after { bottom: -4px; right: -4px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.2s;
}

.nav a:hover { color: var(--crimson); }

.nav a.active {
  color: var(--ink);
}

.nav a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--crimson);
}

/* ---------- Layout containers ---------- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container-narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main {
  min-height: 60vh;
  padding-bottom: 6rem;
}

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background-image:
    linear-gradient(135deg, transparent 49.5%, var(--rule-soft) 49.5%, var(--rule-soft) 50.5%, transparent 50.5%);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
  mask-image: linear-gradient(to left, black, transparent);
  -webkit-mask-image: linear-gradient(to left, black, transparent);
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: "";
  height: 1px;
  background: var(--crimson);
  flex: 0 0 30px;
}

.hero-eyebrow::after { flex: 1; max-width: 200px; }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  max-width: 18ch;
  font-variation-settings: "opsz" 144;
}

.hero h1 em {
  font-style: italic;
  color: var(--crimson);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.hero-lede {
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 1.6;
  max-width: 60ch;
  color: var(--ink-soft);
  margin: 0 0 2.5rem;
}

.hero-meta {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hero-meta-label {
  color: var(--ink-faint);
}

.hero-meta-value {
  color: var(--ink);
  font-size: 0.85rem;
}

/* ---------- Section headers ---------- */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--rule);
}

.section:last-child { border-bottom: none; }

.section-header {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: baseline;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--crimson);
  padding-top: 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  font-variation-settings: "opsz" 96;
}

.section-title em {
  font-style: italic;
  color: var(--crimson);
}

.section-intro {
  font-size: 1.1rem;
  line-height: 1.65;
  max-width: var(--measure);
  margin-left: calc(80px + 2rem);
  color: var(--ink-soft);
}

/* ---------- Cards grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 2rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 0 var(--ink);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--crimson);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.2;
  margin: 0 0 0.75rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  flex: 1;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--rule-soft);
}

.card-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.card-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.card-status.live::before { background: #4a7c3b; }
.card-status.draft::before { background: var(--gold); }
.card-status.planned::before { background: var(--ink-faint); }

/* ---------- Article content (for content pages) ---------- */
.article {
  padding: 4rem 0;
}

.article-header {
  margin-bottom: 4rem;
  padding-bottom: 2.5rem;
  border-bottom: 2px solid var(--ink);
}

.article-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 1.5rem;
}

.article-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  font-variation-settings: "opsz" 144;
}

.article-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--ink-soft);
  margin: 0 0 2rem;
  max-width: 55ch;
}

.article-meta {
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  flex-wrap: wrap;
}

.article-body {
  font-size: 1.075rem;
  line-height: 1.7;
  max-width: var(--measure);
}

.article-body h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 1.2;
  margin: 3rem 0 1.25rem;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 1.25rem;
}

.article-body h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  height: 0.85em;
  width: 4px;
  background: var(--crimson);
}

.article-body h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 2.25rem 0 0.75rem;
  letter-spacing: -0.005em;
}

.article-body p {
  margin: 0 0 1.25rem;
}

.article-body a {
  color: var(--slate);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}

.article-body a:hover { text-decoration-color: var(--crimson); }

.article-body strong { font-weight: 600; color: var(--ink); }
.article-body em { font-style: italic; }

.article-body blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.75rem;
  border-left: 3px solid var(--crimson);
  background: var(--paper-shade);
  font-style: italic;
  color: var(--ink-soft);
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--paper-shade);
  padding: 0.1em 0.4em;
  border: 1px solid var(--rule-soft);
}

.article-body pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--ink);
  color: var(--paper);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

/* Flag callouts used throughout the curriculum */
.flag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15em 0.5em;
  border: 1px solid currentColor;
  margin-right: 0.5em;
  vertical-align: middle;
}

.flag-established { color: var(--flag-established); }
.flag-frontier { color: var(--flag-frontier); }
.flag-speculative { color: var(--flag-speculative); }
.flag-handwave { color: var(--flag-handwave); }

/* Risk tables */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.92rem;
}

.article-body th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
  background: var(--paper-shade);
}

.article-body td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
}

/* ---------- Featured study panel ---------- */
.feature-panel {
  background: var(--ink);
  color: var(--paper);
  padding: 4rem 0;
  margin: 5rem 0 0;
  position: relative;
  overflow: hidden;
}

.feature-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(244,240,230,0.04) 1px, transparent 1px);
  background-size: 4px 4px;
  pointer-events: none;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  position: relative;
}

.feature-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.feature-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  color: rgba(244, 240, 230, 0.8);
  margin: 0 0 2rem;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--gold);
  transition: color 0.2s, border-color 0.2s;
}

.feature-link::after { content: "→"; }
.feature-link:hover { color: var(--gold); }

.feature-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-content: center;
}

.feature-stat {
  border-left: 2px solid var(--gold);
  padding-left: 1.25rem;
}

.feature-stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.feature-stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 240, 230, 0.65);
  line-height: 1.4;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--rule);
  background: var(--paper-shade);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.4;
  max-width: 32ch;
  color: var(--ink-soft);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1rem;
  font-weight: 500;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--crimson); }

.footer-base {
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Index page TOC for articles ---------- */
.toc {
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  padding: 1.75rem 2rem;
  margin: 2rem 0 3rem;
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1rem;
}

.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
  margin-bottom: 0.5rem;
  display: flex;
  gap: 1rem;
}

.toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--crimson);
  flex-shrink: 0;
  padding-top: 0.2rem;
}

.toc a {
  color: var(--ink);
  text-decoration: none;
  font-size: 1rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.toc a:hover { border-color: var(--crimson); }

/* ---------- Learning module components ---------- */
.module-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--ink);
}

.module-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 1rem;
}

.module-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  font-variation-settings: "opsz" 144;
}

.module-goal {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0 0 2rem;
  padding: 1rem 0 1rem 1.25rem;
  border-left: 3px solid var(--gold);
}

.module-frame {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.module-frame-block {
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  padding: 1.25rem 1.5rem;
}

.module-frame-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.75rem;
}

.module-frame-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.module-frame-list a,
.module-frame-empty {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35em 0.65em;
  background: var(--paper);
  border: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
  transition: all 0.2s;
}

.module-frame-list a:hover {
  border-color: var(--crimson);
  color: var(--crimson);
}

.module-frame-empty {
  color: var(--ink-faint);
  font-style: italic;
  letter-spacing: 0.05em;
  text-transform: none;
}

/* End-of-module branching */
.branch-block {
  margin: 4rem 0 2rem;
  padding: 2rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
}

.branch-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.5rem;
}

.branch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.branch-item {
  display: block;
  padding: 1.25rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: all 0.2s;
}

.branch-item:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.branch-item-direction {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.branch-item-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.25;
  margin-bottom: 0.4rem;
}

.branch-item-desc {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

/* Learning paths page ---------- */
.path-block {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 2rem 2.25rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.path-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.path-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin: 0;
}

.path-duration {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.path-goal {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
}

.path-sequence {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.path-step {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 0.6rem 0;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--rule-soft);
  transition: padding 0.2s;
}

.path-step:hover {
  padding-left: 0.5rem;
}

.path-step:last-child { border-bottom: none; }

/* Path steps pointing to planned (non-existent) content */
.path-step[href="#"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.path-step[href="#"]:hover {
  padding-left: 0;
}

.path-step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--crimson);
  letter-spacing: 0.05em;
}

.path-step-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
}

.path-step-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Topic index ---------- */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.topic-card {
  padding: 1.25rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.topic-card:hover {
  border-color: var(--ink);
  background: var(--paper-shade);
}

.topic-card-id {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.topic-card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.25;
  margin-bottom: 0.35rem;
}

.topic-card-sub {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* Checkpoint inline component ---------- */
.checkpoint {
  border-left: 3px solid var(--crimson);
  background: var(--paper-shade);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.checkpoint-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.checkpoint-q {
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.checkpoint-a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0;
  font-style: italic;
}

.checkpoint details {
  margin-top: 0.5rem;
}

.checkpoint summary {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  cursor: pointer;
  padding: 0.25rem 0;
  user-select: none;
}

.checkpoint summary:hover { color: var(--crimson); }

/* ============================================================
   AIHS Study segments
   ============================================================ */

/* Study hub overview */
.study-overview {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  margin: 2.5rem 0;
}

.study-overview-block {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 1.5rem 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: all 0.2s;
  position: relative;
}

.study-overview-block:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.study-overview-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--crimson);
}

.study-overview-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 0.5rem 0 0.75rem;
}

.study-overview-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.study-overview-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  flex: 1;
}

.study-overview-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule-soft);
}

/* Definition block — for AIHS criteria etc */
.definition-block {
  margin: 2rem 0;
  padding: 1.75rem 2rem;
  background: var(--paper-shade);
  border-left: 4px solid var(--crimson);
}

.definition-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.75rem;
}

.definition-term {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.definition-criteria {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  counter-reset: criteria;
}

.definition-criteria li {
  counter-increment: criteria;
  padding-left: 2.5rem;
  margin-bottom: 0.85rem;
  position: relative;
  font-size: 1.02rem;
  line-height: 1.55;
}

.definition-criteria li::before {
  content: counter(criteria);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  border-radius: 50%;
}

/* Required advance card — used in bucket pages */
.advance-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

.advance-item {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 1.5rem;
  align-items: start;
  padding: 1.5rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.advance-item:hover {
  border-color: var(--ink);
  background: var(--paper-shade);
}

.advance-item-id {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--crimson);
  padding-top: 0.15rem;
}

.advance-item-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.advance-item-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--ink);
}

.advance-item-summary {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.advance-item-risk {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: flex-end;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.risk-pill {
  display: inline-block;
  padding: 0.25em 0.6em;
  border: 1px solid currentColor;
  font-weight: 500;
}

.risk-low { color: #2d5e1f; }
.risk-moderate { color: #b07020; }
.risk-high { color: var(--crimson); }
.risk-very-high { color: var(--crimson-dark); background: rgba(142, 36, 36, 0.08); }

/* Advance detail page header */
.advance-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--ink);
}

.advance-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}

.advance-breadcrumb a {
  color: var(--ink-faint);
  text-decoration: none;
  transition: color 0.2s;
}

.advance-breadcrumb a:hover { color: var(--crimson); }

.advance-breadcrumb span:not(:last-child)::after {
  content: " / ";
  color: var(--rule);
  margin: 0 0.4em;
}

.advance-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
}

.advance-summary-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.advance-summary-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.advance-summary-value {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.3;
}

/* Dependency map — used to show advance dependencies */
.deps-block {
  margin: 2.5rem 0;
  padding: 1.5rem 1.75rem;
  border: 1px dashed var(--rule);
  background: var(--paper);
}

.deps-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.85rem;
}

.deps-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.deps-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink);
  text-decoration: none;
  transition: all 0.2s;
}

.deps-list a:hover {
  border-color: var(--crimson);
  color: var(--crimson);
}

.deps-list a::before {
  content: "→";
  color: var(--ink-faint);
}

/* References list */
.refs-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  counter-reset: ref;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.refs-list li {
  counter-increment: ref;
  padding-left: 3rem;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.refs-list li::before {
  content: "[" counter(ref, decimal-leading-zero) "]";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--crimson);
  letter-spacing: 0.05em;
}

.refs-list a {
  color: var(--slate);
  text-decoration: underline;
  text-decoration-color: var(--rule);
}

/* Phase page components ---------- */

/* Funding allocation bar — visual representation of % across buckets */
.allocation-block {
  margin: 2rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
}

.allocation-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}

.allocation-bar {
  display: flex;
  height: 38px;
  border: 1px solid var(--ink);
  overflow: hidden;
  margin-bottom: 1rem;
}

.allocation-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--paper);
  font-weight: 500;
  position: relative;
  transition: filter 0.2s;
}

.allocation-segment:hover { filter: brightness(1.1); }

.allocation-a { background: #5e7e3a; }
.allocation-b { background: #8e2424; }
.allocation-c { background: #4a5d6e; }
.allocation-safety { background: #b07020; }
.allocation-integration { background: #2d2d2d; }

.allocation-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.allocation-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.allocation-swatch {
  width: 12px;
  height: 12px;
  display: inline-block;
}

/* Milestone list — checked / unchecked / target items */
.milestones {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.milestones li {
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: var(--paper);
  border-left: 3px solid var(--rule);
  position: relative;
  font-size: 0.95rem;
  line-height: 1.5;
}

.milestones li::before {
  content: "";
  position: absolute;
  left: 0.85rem;
  top: 1rem;
  width: 14px;
  height: 14px;
  border: 2px solid var(--ink-faint);
  background: var(--paper);
}

.milestones li.milestone-target::before {
  border-color: var(--crimson);
  background: var(--paper);
}

.milestones li.milestone-stretch::before {
  border-color: var(--ink-faint);
  background: var(--paper-shade);
  border-style: dashed;
}

.milestones li strong {
  color: var(--ink);
  display: block;
  margin-bottom: 0.2rem;
}

/* Decision gate block */
.gate-block {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem;
  background: var(--ink);
  color: var(--paper);
  position: relative;
}

.gate-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--crimson);
}

.gate-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.gate-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--paper);
}

.gate-criterion {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.5;
  padding: 0.75rem 0 0.75rem 1rem;
  border-left: 2px solid var(--gold);
  margin: 1rem 0;
  color: rgba(244, 240, 230, 0.92);
}

.gate-block p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: rgba(244, 240, 230, 0.85);
  margin: 0.75rem 0;
}

.gate-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.25rem;
}

.gate-option {
  padding: 1rem 1.25rem;
  background: rgba(244, 240, 230, 0.05);
  border: 1px solid rgba(244, 240, 230, 0.15);
}

.gate-option-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.gate-option p {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(244, 240, 230, 0.85);
}

/* Phase grid cards on roadmap */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.phase-card {
  display: block;
  padding: 1.5rem 1.75rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  position: relative;
}

.phase-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.phase-card-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.4rem;
}

.phase-card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.phase-card-years {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
  margin-bottom: 0.85rem;
}

.phase-card-desc {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Executive summary block — appears at top of dense pages */
.exec-summary {
  margin: 0 0 2.5rem;
  padding: 1.5rem 1.75rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--gold);
}

.exec-summary-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.85rem;
}

.exec-summary-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.exec-summary-points li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.exec-summary-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--crimson);
  font-size: 0.7rem;
  top: 0.35rem;
}

.exec-summary-points li strong {
  color: var(--ink);
}

/* Back-reference block — "this page is referenced from" */
.backrefs-block {
  margin: 3rem 0 0;
  padding: 1.5rem 1.75rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--slate);
}

.backrefs-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}

.backrefs-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.backrefs-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 0.9rem;
  line-height: 1.4;
}

.backrefs-list li:last-child { border-bottom: none; }

.backrefs-kind {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  align-self: start;
  padding-top: 0.1rem;
}

.backrefs-context {
  color: var(--ink-soft);
}

.backrefs-context a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.2s;
}

.backrefs-context a:hover {
  border-bottom-color: var(--crimson);
  color: var(--crimson);
}

/* Glossary term — inline definitions */
dfn.gloss {
  font-style: normal;
  border-bottom: 1px dotted var(--ink-faint);
  cursor: help;
  position: relative;
}

dfn.gloss:hover {
  border-bottom-color: var(--crimson);
  color: var(--crimson);
}

dfn.gloss a {
  color: inherit;
  text-decoration: none;
}

/* Glossary page */
.gloss-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 2rem 0;
}

.gloss-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}

.gloss-entry:last-child { border-bottom: none; }

.gloss-term {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding-top: 0.1rem;
}

.gloss-term-id {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.3rem;
  display: block;
}

.gloss-def {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.gloss-def p {
  margin: 0 0 0.5rem;
}

.gloss-def p:last-child { margin-bottom: 0; }

.gloss-section-head {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin: 2.5rem 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--rule);
}

/* Audience indicator block — appears on hub pages */
.audience-block {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.audience-card {
  padding: 1.25rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.audience-card:hover {
  border-color: var(--ink);
  background: var(--paper-shade);
}

.audience-card-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.5rem;
}

.audience-card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  line-height: 1.25;
}

.audience-card-desc {
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--ink-soft);
}

/* Researcher Q&A block ---------- */
.researcher-qa {
  margin: 3rem 0 0;
  padding: 2rem 2.25rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ink);
}

.researcher-qa-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.5rem;
}

.researcher-qa-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}

.researcher-qa-intro {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.qa-item {
  border-top: 1px solid var(--rule-soft);
  padding: 0;
  margin: 0;
}

.qa-item:first-of-type {
  border-top: 1px solid var(--rule);
}

.qa-item summary {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: -0.005em;
  padding: 1.1rem 2.5rem 1.1rem 0;
  cursor: pointer;
  position: relative;
  list-style: none;
  color: var(--ink);
  line-height: 1.4;
}

.qa-item summary::-webkit-details-marker { display: none; }

.qa-item summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--crimson);
  font-weight: 300;
  transition: transform 0.2s;
}

.qa-item[open] summary::after {
  content: "−";
}

.qa-item summary:hover {
  color: var(--crimson);
}

.qa-answer {
  padding: 0.25rem 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.qa-answer p {
  margin: 0 0 0.85rem;
}

.qa-answer p:last-child { margin-bottom: 0; }

.qa-answer strong { color: var(--ink); }

.qa-answer a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.qa-answer a:hover {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}

.qa-answer code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--paper-shade);
  padding: 0.1em 0.4em;
  border-radius: 2px;
}

.qa-answer blockquote {
  border-left: 2px solid var(--rule);
  margin: 0.85rem 0;
  padding: 0.4rem 0 0.4rem 1rem;
  font-style: italic;
  color: var(--ink-soft);
}

.qa-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.15em 0.5em;
  margin-right: 0.5em;
  vertical-align: 0.05em;
  color: var(--paper);
  background: var(--ink-faint);
}

.qa-tag-method { background: #4a5d6e; }
.qa-tag-critique { background: #8e2424; }
.qa-tag-frontier { background: #b07020; }
.qa-tag-alternative { background: #5e7e3a; }
.qa-tag-scope { background: #2d2d2d; }

/* Key papers & programmes — curated reading list */
.reading-list {
  margin: 3rem 0 0;
  padding: 1.75rem 2rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--slate);
}

.reading-list-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.4rem;
}

.reading-list-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
  color: var(--ink);
}

.reading-list-intro {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

.reading-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.reading-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.92rem;
  line-height: 1.5;
}

.reading-list li:last-child { border-bottom: none; }

.reading-list-name {
  font-weight: 600;
  color: var(--ink);
}

.reading-list-kind {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink-faint);
  padding: 0.1em 0.5em;
  border-radius: 2px;
  margin-left: 0.5em;
  vertical-align: 0.1em;
}

.reading-list-kind.kind-program { background: #4a5d6e; }
.reading-list-kind.kind-lab { background: #5e7e3a; }
.reading-list-kind.kind-paper { background: #6a4a6e; }
.reading-list-kind.kind-resource { background: #b07020; }

.reading-list-desc {
  color: var(--ink-soft);
  display: block;
  margin-top: 0.2rem;
}

.reading-list-desc a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.reading-list-desc a:hover {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}

/* What would change our assessment — falsifiable signposts */
.assessment-box {
  margin: 2.5rem 0 0;
  padding: 1.75rem 2rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--gold);
}

.assessment-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.4rem;
}

.assessment-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
  color: var(--ink);
}

.assessment-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
}

.assessment-row:last-child { border-bottom: none; }

.assessment-dir {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  padding-top: 0.15rem;
}

.assessment-dir.dir-up { color: #5e7e3a; }
.assessment-dir.dir-down { color: #8e2424; }

.assessment-signal {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.assessment-signal strong { color: var(--ink); }

/* ---- Advance Atlas: comparison table ---- */
.atlas-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
  align-items: center;
}

.atlas-controls-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 0.4rem;
}

.atlas-filter {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s;
}

.atlas-filter:hover { border-color: var(--ink-faint); color: var(--ink); }
.atlas-filter.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.atlas-table-wrap { overflow-x: auto; margin: 1rem 0 0; }

table.atlas {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.atlas th {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--rule);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

table.atlas th:hover { color: var(--crimson); }
table.atlas th .sort-ind { opacity: 0.4; font-size: 0.85em; }
table.atlas th.sorted .sort-ind { opacity: 1; color: var(--crimson); }

table.atlas td {
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
  line-height: 1.4;
}

table.atlas tr.atlas-row:hover td { background: var(--paper-shade); }

table.atlas .atlas-code {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--ink);
  white-space: nowrap;
}

table.atlas .atlas-code a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--rule); }
table.atlas .atlas-code a:hover { color: var(--crimson); border-bottom-color: var(--crimson); }

table.atlas .atlas-name { color: var(--ink); }
table.atlas .atlas-name-sub { color: var(--ink-soft); font-size: 0.82rem; display: block; margin-top: 0.15rem; }

.risk-pill {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18em 0.55em;
  white-space: nowrap;
  color: var(--paper);
}
.risk-low { background: #5e7e3a; }
.risk-moderate { background: #b07020; }
.risk-high { background: #a85420; }
.risk-veryhigh { background: #8e2424; }

.bottleneck-star {
  color: var(--crimson);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.atlas-bucket-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

/* ---- Advance Atlas: dependency graph ---- */
.depgraph-wrap {
  margin: 1.5rem 0 0;
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--paper);
}

.depgraph-wrap svg { display: block; min-width: 640px; width: 100%; height: auto; }

.depnode rect {
  fill: var(--paper-shade);
  stroke: var(--rule);
  stroke-width: 1;
  transition: all 0.15s;
}
.depnode text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--ink);
  font-weight: 600;
}
.depnode.bottleneck rect { stroke: var(--crimson); stroke-width: 2; }
.depnode:hover rect { fill: var(--ink); }
.depnode:hover text { fill: var(--paper); }
.depedge { stroke: var(--ink-faint); stroke-width: 1; fill: none; opacity: 0.5; }
.depgraph-col-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  fill: var(--ink-faint);
}

/* ---- Advance Atlas: horizon timeline ---- */
.timeline-wrap {
  margin: 1.5rem 0 0;
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--paper);
}
.timeline-wrap svg { display: block; min-width: 680px; width: 100%; height: auto; }
.tl-axis { stroke: var(--rule); stroke-width: 1; }
.tl-grid { stroke: var(--rule-soft); stroke-width: 1; }
.tl-tick {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--ink-faint);
  letter-spacing: 0.05em;
}
.tl-axis-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  fill: var(--ink-faint);
}
.tl-bar { transition: opacity 0.15s; }
.tl-bar rect { rx: 0; }
.tl-bar-a rect { fill: #4a5d6e; }
.tl-bar-b rect { fill: #6a4a6e; }
.tl-bar-c rect { fill: #5e7e3a; }
.tl-bar.bottleneck rect { stroke: var(--crimson); stroke-width: 2; }
.tl-bar:hover { opacity: 0.78; }
.tl-bar-code {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  fill: var(--paper);
}
.tl-band-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  fill: var(--ink-faint);
}

/* ---------- Mobile ---------- */
@media (max-width: 760px) {
  html { font-size: 16px; }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav {
    gap: 1.25rem;
    flex-wrap: wrap;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero h1 { font-size: 2.25rem; }
  .hero-lede { font-size: 1.05rem; }
  .hero-meta { gap: 1.5rem; flex-direction: column; }

  .section { padding: 3rem 0; }

  .section-header {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .section-intro { margin-left: 0; }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .feature-stats {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-base {
    flex-direction: column;
    align-items: flex-start;
  }

  .module-frame {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .path-step {
    grid-template-columns: 40px 1fr;
    gap: 0.75rem;
  }

  .path-step-sub {
    grid-column: 2;
    margin-top: 0.25rem;
  }

  .study-overview {
    grid-template-columns: 1fr;
  }

  .advance-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .advance-item-risk {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
  }

  .phase-grid {
    grid-template-columns: 1fr;
  }

  .gate-options {
    grid-template-columns: 1fr;
  }

  .allocation-segment {
    font-size: 0.65rem;
  }

  .backrefs-list li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .gloss-entry {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .audience-block {
    grid-template-columns: 1fr;
  }

  .assessment-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .researcher-qa {
    padding: 1.5rem 1.25rem;
  }

  .qa-item summary {
    font-size: 0.95rem;
    padding-right: 2rem;
  }
}

/* v0.7 — planned (non-clickable) cards: same visual, no interactivity affordance */
.card-planned { cursor: default; }
.card-planned:hover { transform: none; border-color: var(--rule); box-shadow: none; }

/* v0.7 — related-module cross-reference strips (protomolecule overview) */
.xref {
  margin: 1.75rem 0 2.5rem;
  padding: 1.1rem 1.4rem;
  background: var(--paper-shade);
  border-left: 3px solid var(--slate);
}
.xref-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.5rem;
}
.xref-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; }
.xref-list li { margin: 0; }
.xref-list a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
}
.xref-list a:hover { border-bottom-color: var(--slate); }

/* ============================================================
   INTERACTIVE TOOLKIT  (v0.8, roadmap A4)
   Shared visual language for bespoke interactives. Reads as a
   sibling of .reading-list / .checkpoint: framed box on paper-shade,
   hairline rule, mono micro-label. Accent is --slate (a "working
   instrument", distinct from the crimson checkpoint prompt).
   All four-flag colour comes from the --flag-* tokens.
   ============================================================ */

.interactive {
  margin: 2.5rem 0;
  padding: 1.75rem 2rem 1.5rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--slate);
}

.interactive-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.6em;
}
.interactive-label .interactive-kicker { color: var(--ink-faint); }

.interactive-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.75rem;
  color: var(--ink);
}

.interactive-stage {
  background: var(--paper);
  border: 1px solid var(--rule-soft);
  padding: 1.25rem;
  margin: 0 0 1rem;
}
.interactive-stage svg { display: block; width: 100%; height: auto; }

/* Controls row */
.interactive-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.5rem;
  align-items: flex-end;
  margin: 0 0 1rem;
}
.control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 8rem;
}
.control-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  gap: 0.75em;
}
.control-label .control-value { color: var(--ink); font-variant-numeric: tabular-nums; }

/* Range slider — editorial, zero-radius, hairline track */
.interactive input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--rule);
  cursor: pointer;
  margin: 0.5rem 0;
}
.interactive input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--slate);
  border: 0;
  cursor: pointer;
}
.interactive input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--slate);
  border: 0;
  border-radius: 0;
  cursor: pointer;
}
.interactive input[type="range"]:focus-visible {
  outline: 2px solid var(--slate);
  outline-offset: 4px;
}

/* Buttons — bordered, zero-radius, mono */
.interactive-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5em 1em;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink-soft);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.interactive-btn:hover { background: var(--ink); color: var(--paper); }
.interactive-btn:focus-visible { outline: 2px solid var(--slate); outline-offset: 2px; }
.interactive-btn[aria-pressed="true"] { background: var(--slate); color: var(--paper); border-color: var(--slate); }
.interactive-btn:disabled { opacity: 0.4; cursor: default; }
.interactive-btn:disabled:hover { background: var(--paper); color: var(--ink); }

/* Toggle group */
.interactive-toggles { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* Live-updating readout row */
.interactive-readout {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--rule-soft);
  margin-top: 0.5rem;
}
.readout-item { display: flex; gap: 0.5em; }
.readout-item .readout-k { color: var(--ink-faint); }
.readout-item .readout-v { color: var(--ink); font-variant-numeric: tabular-nums; }

/* Caption / explanation — carries a flag when it makes a claim */
.interactive-caption {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule-soft);
}

/* Screen-reader-only live status for non-visual users */
.interactive-status {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* No-JS fallback: an interactive gracefully degrades to a prose
   description of what the model would show. The .interactive-fallback
   is visible by default and hidden once JS marks the box .is-live. */
.interactive.is-live .interactive-fallback { display: none; }
.interactive-fallback {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.interactive-fallback .interactive-fallback-note {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-top: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
  .interactive * { transition: none !important; animation: none !important; }
}

@media (max-width: 620px) {
  .interactive { padding: 1.25rem 1.15rem; }
  .interactive-controls { gap: 1rem; }
  .control { min-width: 100%; }
}

/* ---------- Glossary tooltip (v0.8, roadmap A4) ---------- */
/* The dfn.gloss base style already exists above. This adds the JS-driven
   popover. No-JS readers just follow the link to the glossary page. */
.gloss-pop {
  position: absolute;
  z-index: 40;
  max-width: 20rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  padding: 0.7rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.5;
  font-style: normal;
  box-shadow: 0 6px 20px rgba(28, 27, 23, 0.28);
}
.gloss-pop .gloss-pop-term {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.3rem;
}
.gloss-pop .gloss-pop-more {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rule);
}
dfn.gloss[aria-expanded="true"] { border-bottom-color: var(--crimson); color: var(--crimson); }

/* ============================================================
   FLEXIBILITY PATTERNS  (v0.9 — evolution-ready modules)
   Static, no-JS affordances so a module absorbs the science
   moving under it: a flag's history, a falsification signpost,
   and a "last reviewed" horizon line. Re-flagging a claim as a
   field matures becomes a data edit, not a rewrite.
   ============================================================ */

/* Flag history: shows that a claim's flag has moved, and when.
   The title attribute carries the why (hover / focus). */
.flag-history {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--rule);
  padding: 0.1em 0.45em;
  margin-left: 0.45em;
  white-space: nowrap;
  cursor: help;
  vertical-align: middle;
}
.flag-history .fh-arrow { color: var(--crimson); padding: 0 0.15em; }

/* Falsification / confirmation signpost: the near-term test that
   would move a frontier claim's flag. Dashed to read as provisional. */
.signpost {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--rule);
  background: var(--paper);
}
.signpost-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.6rem;
}
.signpost-row {
  display: flex;
  gap: 0.6em;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0.35rem 0;
}
.signpost-row .signpost-k {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  padding-top: 0.15em;
  min-width: 8.5em;
}
.signpost-confirm .signpost-k { color: var(--flag-established); }
.signpost-stall .signpost-k { color: var(--flag-handwave); }

/* Horizon / last-reviewed line in the module header. */
.module-horizon {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em 1.4em;
}
.module-horizon .mh-sep { color: var(--rule); }

/* ============================================================
   FEEDBACK WIDGET  (v0.9, roadmap A1)
   Reader feedback capture. Reads as a call-to-action sibling of
   .checkpoint (crimson left accent), distinct from the slate
   "instrument" accent of .interactive. Progressive enhancement:
   .feedback-fallback (a mailto link) is visible until JS adds
   .is-live, at which point the built form shows instead.
   ============================================================ */
.feedback {
  margin: 3rem 0 2rem;
  padding: 1.75rem 2rem 1.5rem;
  background: var(--paper-shade);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--crimson);
}
.feedback-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: 0.6rem;
}
.feedback-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.feedback-intro {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 1rem;
}

/* Fallback (no JS, or backend not configured): a real mailto affordance. */
.feedback.is-live .feedback-fallback { display: none; }
.feedback-fallback {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.feedback-fallback .feedback-fallback-note {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-top: 0.75rem;
}

/* Built form */
.feedback-form { display: flex; flex-direction: column; gap: 1.1rem; }
.feedback-field { min-width: 0; }
.feedback-field-wide { width: 100%; }

.feedback-input,
.feedback-select,
.feedback-textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink-soft);
  border-radius: 0;
  padding: 0.55em 0.7em;
  width: 100%;
  box-sizing: border-box;
}
.feedback-select {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  appearance: none;
  cursor: pointer;
}
.feedback-textarea { resize: vertical; line-height: 1.5; min-height: 6em; }
.feedback-input:focus-visible,
.feedback-select:focus-visible,
.feedback-textarea:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 2px;
}
.feedback-counter { font-family: var(--font-mono); }

.feedback-consent {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink-faint);
  line-height: 1.5;
  margin: 0;
}
.feedback-consent a { color: var(--crimson); }

.feedback-actions { display: flex; gap: 0.75rem; align-items: center; }

.feedback-error {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--crimson-dark);
  margin: 0;
}
.feedback-error a { color: var(--crimson); }

.feedback-thanks-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.4rem;
}
.feedback-thanks p:last-child {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

/* Honeypot: kept in the layout flow for bots but moved out of sight/AT. */
.feedback-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .feedback * { transition: none !important; animation: none !important; }
}
@media (max-width: 620px) {
  .feedback { padding: 1.25rem 1.15rem; }
}