/* ============================================================
   AI BUILD LAB — Cohort Portal Shared Styles
   Used by every page under /agent-native-os/portal/
   Extends colors_and_type.css. Local nav, no global renderNav.
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Faint terminal grid + noise (matches lexicon/optional-tools convention) */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(219,251,107,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(219,251,107,0.022) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; }

/* =========== Local nav (agent-native-os subtree pattern) =========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 18px clamp(20px,5vw,72px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background: rgba(0,0,0,0.92);
  border-bottom: 1px solid rgba(219,251,107,0.08);
  overflow: hidden;
}
.nav-left {
  display: flex; align-items: center; gap: 16px;
  min-width: 0;
}
.nav-logo { height: 72px; width: auto; margin: -12px 14px -12px 0; display: flex; align-items: center; }
.nav-logo img { height: 72px; width: auto; display: block; transform: scale(1.35); transform-origin: left center; }
.nav-badge {
  font-family: var(--font-mono);
  font-size: 14px; font-weight: 800;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--black); background: var(--neon);
  padding: 8px 13px; border-radius: 6px;
  white-space: nowrap;
}
.nav-right {
  display: flex; align-items: center; gap: 28px;
  font-family: var(--font-mono); font-size: 13px;
  color: var(--gray-dim);
  letter-spacing: 1px; text-transform: uppercase;
  white-space: nowrap;
}
.nav-right a {
  color: var(--gray);
  text-decoration: none;
  transition: color var(--dur-fast);
}
.nav-right a:hover { color: var(--neon); }
.nav-right a.active { color: var(--neon); }
.nav-right a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
  border-radius: 4px;
}

/* =========== Page wrap =========== */
.page { position: relative; z-index: 1; padding-top: 98px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 72px 40px 96px; }
.wrap-narrow { max-width: 880px; }

/* =========== Breadcrumbs (sub-pages) =========== */
.crumbs {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--gray-dim);
  margin-bottom: 24px;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.crumbs a { color: var(--gray); text-decoration: none; }
.crumbs a:hover { color: var(--neon); }
.crumbs .sep { color: var(--dark-4); }
.crumbs .here { color: var(--neon); }

/* =========== Hero =========== */
.hero { margin-bottom: 38px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; font-weight: 600;
  color: var(--neon);
  letter-spacing: 3px; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.eyebrow::before {
  content: ''; width: 36px; height: 2px;
  background: var(--neon); flex-shrink: 0;
}
.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(46px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 880px;
  margin-bottom: 22px;
}
.hero h1 em {
  color: var(--neon); font-style: normal;
}
.lede {
  font-family: var(--font-body);
  font-size: 19px; color: var(--gray);
  line-height: 1.6;
  max-width: 720px;
}
.lede strong { color: var(--white); font-weight: 600; }
.lede em { color: var(--white); font-style: italic; }

/* =========== Hero quote callout (the "first block winning" pattern) =========== */
.hero-quote {
  margin: 32px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--neon);
  background: rgba(219,251,107,0.04);
  border-radius: 0 8px 8px 0;
}
.hero-quote p {
  font-family: var(--font-display);
  font-size: 20px; line-height: 1.4;
  color: var(--white);
  letter-spacing: -0.4px;
}
.hero-quote .attrib {
  display: block; margin-top: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gray-dim);
}

/* =========== Sections =========== */
.section { scroll-margin-top: 96px; margin-top: 56px; }
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 24px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--dark-3);
  margin-bottom: 24px;
}
.section-head h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -1px; line-height: 1.05;
}
.section-head p {
  color: var(--gray); font-size: 14px;
  line-height: 1.5; max-width: 460px;
}

/* =========== Section card grid (portal home + arch hub) =========== */
.section-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.section-grid.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.section-card {
  --accent: var(--neon);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0)), var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 12px;
  padding: 22px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 200px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur-fast), background var(--dur-fast), transform var(--dur-fast);
}
.section-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent); opacity: 0.85;
}
.section-card:hover {
  border-color: rgba(219,251,107,0.22);
  background-color: var(--dark-2);
  transform: translateY(-1px);
}
.section-card:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
}
.section-card .num {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px; text-transform: uppercase;
}
.section-card h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 20px; line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--white);
}
.section-card p {
  color: var(--gray); font-size: 14px; line-height: 1.5;
  flex: 1;
}
.section-card .arrow {
  align-self: flex-start;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--blue);
  border-bottom: 1px solid rgba(0,212,255,0.35);
  padding-bottom: 2px;
  margin-top: auto;
}
.section-card:hover .arrow { color: var(--neon); border-bottom-color: var(--neon); }

/* Status pill on architecture cards */
.section-card .status {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 3px 7px; border-radius: 3px;
  background: var(--dark-3); color: var(--gray-dim);
  border: 1px solid var(--dark-4);
}
.section-card .status.ready { color: var(--neon); border-color: var(--neon-dim); background: var(--neon-dim); }
.section-card .status.coming { color: var(--gray); }
.section-card .status.review { color: var(--blue); border-color: var(--blue-dim); background: var(--blue-dim); }

/* Accent variants */
.accent-neon   { --accent: var(--neon); }
.accent-blue   { --accent: var(--blue); }
.accent-coral  { --accent: var(--coral); }
.accent-teal   { --accent: var(--teal); }
.accent-purple { --accent: var(--purple); }

/* =========== 4D / 8D side-by-side track cards =========== */
.tracks-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}
.track-card {
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 12px;
  padding: 24px 24px 22px;
  position: relative;
}
.track-card.four-d { border-top: 3px solid var(--neon); }
.track-card.eight-d { border-top: 3px solid var(--blue); }
.track-card .track-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 14px;
  gap: 12px;
}
.track-card .track-name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 32px; letter-spacing: -1px;
  color: var(--white);
}
.track-card.four-d .track-name { color: var(--neon); }
.track-card.eight-d .track-name { color: var(--blue); }
.track-card .track-tier {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray-dim);
}
.track-card .track-tagline {
  font-family: var(--font-display); font-weight: 600;
  font-size: 18px; line-height: 1.3;
  color: var(--white);
  letter-spacing: -0.4px;
  margin-bottom: 16px;
}
.track-card .track-label {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gray-dim);
  margin: 16px 0 8px;
}
.track-card ul {
  list-style: none;
  padding: 0;
  margin-bottom: 12px;
}
.track-card ul li {
  font-size: 14px; line-height: 1.5;
  color: var(--gray);
  padding: 5px 0 5px 18px;
  position: relative;
}
.track-card ul li::before {
  content: '/';
  position: absolute; left: 0; top: 5px;
  font-family: var(--font-mono); font-size: 13px;
  color: var(--neon);
  opacity: 0.7;
}
.track-card.eight-d ul li::before { color: var(--blue); }
.track-card .track-lead {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1px;
  color: var(--gray-dim);
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--dark-3);
}
.track-card .track-lead b {
  color: var(--white); font-weight: 600;
  font-family: var(--font-mono);
}
@media (max-width: 720px) {
  .tracks-grid { grid-template-columns: 1fr; }
}

/* Compact support grid (2x2) */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}
.support-item {
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 10px;
  padding: 16px 18px;
}
.support-item .support-label {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 6px;
  display: block;
}
.support-item p {
  font-size: 14px; line-height: 1.5;
  color: var(--gray);
}
.support-item p strong { color: var(--white); }
.support-item p code {
  font-family: var(--font-mono); font-size: 13px;
  background: var(--dark-2); color: var(--neon);
  padding: 2px 5px; border-radius: 3px;
}
@media (max-width: 720px) {
  .support-grid { grid-template-columns: 1fr; }
}

/* =========== Prose blocks =========== */
.prose { max-width: 760px; }
.prose h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 22px; letter-spacing: -0.5px;
  margin: 32px 0 14px;
  color: var(--white);
}
.prose p {
  color: var(--gray); font-size: 16px; line-height: 1.65;
  margin-bottom: 16px;
}
.prose p strong { color: var(--white); font-weight: 600; }
.prose p em { color: var(--white); font-style: italic; }
.prose ul, .prose ol {
  color: var(--gray); font-size: 16px; line-height: 1.65;
  padding-left: 24px;
  margin-bottom: 18px;
}
.prose ul li, .prose ol li { margin-bottom: 8px; }
.prose code {
  font-family: var(--font-mono); font-size: 14px;
  background: var(--dark-2);
  color: var(--neon);
  padding: 2px 6px; border-radius: 3px;
}
.prose a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,212,255,0.35);
  padding-bottom: 1px;
}
.prose a:hover { color: var(--neon); border-bottom-color: var(--neon); }
.prose blockquote {
  border-left: 3px solid var(--neon);
  background: rgba(219,251,107,0.04);
  padding: 16px 20px;
  margin: 22px 0;
  border-radius: 0 6px 6px 0;
  color: var(--white);
  font-size: 16px;
  line-height: 1.55;
  font-style: italic;
}
.prose blockquote .attrib {
  display: block; margin-top: 10px;
  font-style: normal;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gray-dim);
}

/* =========== "needs X" callout (the plug-in zone) =========== */
.callout-needs {
  margin: 28px 0;
  padding: 18px 22px 20px;
  background: rgba(0,212,255,0.04);
  border: 1px dashed var(--blue);
  border-radius: 8px;
  position: relative;
}
.callout-needs::before {
  content: 'PLUG-IN ZONE';
  position: absolute; top: -10px; left: 14px;
  background: var(--black);
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 2px;
  color: var(--blue);
  padding: 2px 8px;
}
.callout-needs h4 {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}
.callout-needs p {
  font-size: 14px; color: var(--gray);
  line-height: 1.55;
}
.callout-needs p strong { color: var(--white); }
.callout-needs .who {
  display: inline-block;
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--coral);
  background: var(--coral-dim);
  padding: 3px 8px; border-radius: 3px;
  margin-right: 8px;
  vertical-align: middle;
}

/* "Coming soon" callout for fully-deferred pages */
.callout-coming {
  margin: 32px 0;
  padding: 28px 28px 30px;
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 12px;
  border-left: 3px solid var(--purple);
}
.callout-coming h4 {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 10px;
}
.callout-coming h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 22px; letter-spacing: -0.5px;
  color: var(--white);
  margin-bottom: 12px;
}
.callout-coming p {
  font-size: 15px; color: var(--gray);
  line-height: 1.55;
}

/* =========== Accordions (native details/summary) =========== */
/* Force-hide closed accordion bodies (some Chromium builds don't auto-hide). */
details.acc:not([open]) > .acc-body,
details.acc-sub:not([open]) > .acc-body {
  display: none;
}

details.acc {
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--dur-fast);
}
details.acc[open] { border-color: rgba(219,251,107,0.22); }
details.acc > summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  user-select: none;
  font-family: var(--font-display);
}
details.acc > summary::-webkit-details-marker { display: none; }
details.acc > summary:hover { background: var(--dark-2); }
details.acc > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
  border-radius: 8px;
}
.acc-num {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; color: var(--neon);
  background: var(--neon-dim);
  padding: 4px 8px; border-radius: 4px;
  white-space: nowrap;
}
.acc-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: 18px; letter-spacing: -0.4px;
  color: var(--white);
  line-height: 1.25;
}
.acc-meta {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gray-dim);
}
.acc-toggle {
  width: 22px; height: 22px;
  border: 1px solid var(--dark-4);
  border-radius: 4px;
  position: relative;
  transition: border-color var(--dur-fast), background var(--dur-fast);
  flex-shrink: 0;
}
.acc-toggle::before, .acc-toggle::after {
  content: '';
  position: absolute;
  background: var(--gray);
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.acc-toggle::before {
  top: 50%; left: 4px; right: 4px; height: 2px; transform: translateY(-50%);
}
.acc-toggle::after {
  left: 50%; top: 4px; bottom: 4px; width: 2px; transform: translateX(-50%);
}
details.acc[open] > summary .acc-toggle {
  border-color: var(--neon);
  background: var(--neon-dim);
}
details.acc[open] > summary .acc-toggle::before { background: var(--neon); }
details.acc[open] > summary .acc-toggle::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
details.acc > .acc-body {
  padding: 4px 22px 22px;
  border-top: 1px solid var(--dark-3);
  background: var(--bg-1);
}
details.acc > .acc-body > .prose { padding-top: 18px; }

/* Sub-accordion (nested known-issues inside validate) */
details.acc-sub {
  background: var(--dark-2);
  border: 1px solid var(--dark-3);
  border-radius: 6px;
  margin-bottom: 8px;
  overflow: hidden;
}
details.acc-sub > summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--white);
}
details.acc-sub > summary::-webkit-details-marker { display: none; }
details.acc-sub > summary:hover { background: var(--dark-3); }
details.acc-sub > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
  border-radius: 5px;
}
details.acc-sub[open] > summary { border-bottom: 1px solid var(--dark-3); }
details.acc-sub > summary .acc-toggle {
  width: 18px; height: 18px;
}
details.acc-sub[open] > summary .acc-toggle {
  border-color: var(--neon);
  background: var(--neon-dim);
}
details.acc-sub[open] > summary .acc-toggle::before { background: var(--neon); }
details.acc-sub[open] > summary .acc-toggle::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
details.acc-sub .acc-sub-tag {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--coral);
  background: var(--coral-dim);
  padding: 2px 6px; border-radius: 3px;
  white-space: nowrap;
}
details.acc-sub .acc-sub-tag.fix { color: var(--neon); background: var(--neon-dim); }
details.acc-sub .acc-sub-tag.heads-up { color: var(--blue); background: var(--blue-dim); }
details.acc-sub > .acc-body {
  padding: 14px 16px 16px;
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}
details.acc-sub > .acc-body strong { color: var(--white); }
details.acc-sub > .acc-body code {
  font-family: var(--font-mono); font-size: 13px;
  background: var(--dark);
  color: var(--neon);
  padding: 2px 6px; border-radius: 3px;
}

/* Group label above accordion stack */
.acc-group-head {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--neon);
  margin: 28px 0 12px;
}
.acc-group-head:first-child { margin-top: 0; }

/* =========== Note (footer card) =========== */
.note {
  margin-top: 56px;
  background: var(--dark);
  border: 1px solid var(--dark-3);
  border-radius: 12px;
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.note p {
  color: var(--gray); font-size: 13px; line-height: 1.55;
  max-width: 720px;
}
.note p strong { color: var(--white); }
.note-cta {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--gray);
  text-decoration: none;
  white-space: nowrap;
}
.note-cta:hover { color: var(--neon); }

/* =========== Beta banner (top of portal home) =========== */
.beta-banner {
  margin-bottom: 32px;
  padding: 12px 16px;
  background: var(--coral-dim);
  border: 1px solid rgba(255,107,107,0.35);
  border-radius: 8px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--coral);
  letter-spacing: 0.5px;
}
.beta-banner strong { color: var(--white); font-weight: 600; }

/* =========== Page footer =========== */
footer.foot {
  margin-top: 96px;
  padding-top: 32px;
  border-top: 1px solid var(--dark-3);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
footer.foot .mark { color: var(--neon); }
footer.foot a { color: var(--gray); text-decoration: none; }
footer.foot a:hover { color: var(--neon); }

/* =========== Responsive =========== */
@media (max-width: 820px) {
  .section-grid { grid-template-columns: 1fr; }
  .section-grid.two-up { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .section-head p { margin-top: 10px; }
}
@media (max-width: 560px) {
  .nav { padding: 12px 16px; gap: 10px; align-items: flex-start; flex-direction: column; }
  .nav-logo { height: 50px; margin: -8px 10px -8px 0; }
  .nav-logo img { height: 50px; transform: scale(1.22); }
  .nav-badge { font-size: 10px; letter-spacing: 1px; padding: 6px 8px; }
  .nav-right { width: 100%; display: flex; gap: 16px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
  .nav-right::-webkit-scrollbar { display: none; }
  .page { padding-top: 104px; }
  .wrap { padding: 28px 18px 72px; }
  .hero h1 { font-size: 40px; letter-spacing: 0; }
  .lede { font-size: 16.5px; }
  .section-card { min-height: 0; padding: 18px; }
  .note { display: block; }
  .note-cta { display: inline-block; margin-top: 12px; }
}

/* ============================================================
   READABILITY PASS — clear hierarchy, calm interactions
   Goal: every block scans fast. Motion only when it aids
   comprehension. No decorative animation.
   ============================================================ */

/* ---------- Body: bump base contrast a touch ---------- */
body { color: #ECECEC; }                     /* was --white #f5f5f5; bump for less yellow cast */
.lede { color: #D4D4D4; font-size: 18.5px; line-height: 1.6; }
.lede strong { color: #FFFFFF; }
.prose p { color: #D4D4D4; font-size: 16.5px; line-height: 1.7; max-width: 68ch; }
.prose p strong { color: #FFFFFF; font-weight: 600; }
.prose ul, .prose ol { color: #D4D4D4; font-size: 16.5px; line-height: 1.7; max-width: 68ch; }
.prose ul li, .prose ol li { margin-bottom: 6px; }

/* Section card description: more readable, slightly larger */
.section-card p {
  color: #C8C8C8;
  font-size: 14.5px;
  line-height: 1.55;
}
.section-card h3 { color: #FFFFFF; }

/* Section head: stronger separation from body */
.section-head h2 { color: #FFFFFF; }
.section-head p { color: #C2C2C2; font-size: 14.5px; max-width: 56ch; }

/* Track card body */
.track-card .track-tagline { color: #FFFFFF; font-size: 19px; }
.track-card ul li { color: #D4D4D4; font-size: 14.5px; padding-left: 20px; }
.track-card ul li::before { opacity: 1; color: var(--neon); }   /* brighter bullet */
.track-card.eight-d ul li::before { color: var(--blue); }
.track-card .track-label { color: #9C9C9C; }
.track-card .track-lead { color: #9C9C9C; font-size: 12px; }
.track-card .track-lead b { color: #FFFFFF; }

/* Support item */
.support-item p { color: #D4D4D4; font-size: 14.5px; line-height: 1.55; }
.support-item p strong { color: #FFFFFF; }

/* Accordion summary text */
.acc-title { color: #FFFFFF; font-size: 18px; }
.acc-meta { color: #9C9C9C; }
details.acc-sub > summary { color: #ECECEC; font-size: 14.5px; }
details.acc-sub > .acc-body {
  color: #D4D4D4; font-size: 14.5px; line-height: 1.65;
  background: var(--bg-1);
}
details.acc-sub > .acc-body strong { color: #FFFFFF; }

/* Tables: bump readability */
.acc-body table td { color: #D4D4D4; font-size: 14px; }
.acc-body table strong { color: #FFFFFF; }

/* Plug-in zone: cleaner, no animation; readable body */
.callout-needs h4 { color: var(--blue); font-size: 11px; letter-spacing: 1.8px; }
.callout-needs p { color: #D4D4D4; font-size: 14.5px; line-height: 1.6; }
.callout-needs p strong { color: #FFFFFF; }
.callout-needs .who {
  color: var(--coral); background: var(--coral-dim);
  padding: 3px 8px; border-radius: 3px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  margin-right: 6px;
}

/* Coming-soon callout */
.callout-coming h3 { color: #FFFFFF; }
.callout-coming p { color: #D4D4D4; font-size: 15px; line-height: 1.6; }

/* Note (bottom of page) */
.note p { color: #D4D4D4; font-size: 14px; line-height: 1.6; }
.note p strong { color: #FFFFFF; }

/* Beta banner: tighten + ensure readable */
.beta-banner { color: #F5C5C5; font-size: 13px; line-height: 1.55; }
.beta-banner strong { color: #FFFFFF; }

/* Crumbs: easier to skim */
.crumbs { font-size: 11px; letter-spacing: 1.6px; }
.crumbs a { color: #C2C2C2; }
.crumbs .here { color: var(--neon); }

/* Eyebrow: keep small but readable */
.eyebrow { color: var(--neon); font-size: 11.5px; letter-spacing: 2.8px; }

/* ---------- Hover: functional cues only (lift + arrow) ---------- */
.section-card {
  transition: transform 0.18s var(--ease-out),
              border-color var(--dur-fast),
              background-color var(--dur-fast);
}
.section-card:hover { transform: translateY(-2px); }
.section-card .arrow {
  transition: transform var(--dur-fast) var(--ease-out), color var(--dur-fast);
}
.section-card:hover .arrow { transform: translateX(3px); }

.track-card { transition: border-color var(--dur-fast); }
.track-card.four-d:hover { border-color: rgba(219,251,107,0.25); }
.track-card.eight-d:hover { border-color: rgba(0,212,255,0.25); }

.rec-card { transition: border-color var(--dur-fast); }

.note { transition: border-color var(--dur-fast); }
.note:hover { border-color: rgba(219,251,107,0.16); }
.note-cta { transition: color var(--dur-fast); }

/* ---------- Accordion open: brief fade for comprehension ---------- */
@keyframes acc-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
details.acc[open] > .acc-body,
details.acc-sub[open] > .acc-body {
  animation: acc-fade-in 0.18s var(--ease-out);
}

/* Toggle: smooth rotation only (no extra effects) */
.acc-toggle, .acc-toggle::before, .acc-toggle::after {
  transition: background var(--dur-fast), border-color var(--dur-fast),
              transform 0.2s var(--ease-out), opacity var(--dur-fast);
}

/* ---------- Selection ---------- */
.prompt-card::selection,
.prompt-card *::selection,
::selection { background: var(--neon); color: var(--black); }

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 3px;
}

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