/* Hallmark · genre: editorial · macrostructure: Ecosystem Index · theme: studied-DNA (source: image, public reference)
 * nav: N11 Mega-menu (utility-bar knob, columns=2-4, feature cell=promo card) · footer: Ft3 Index columns (cols=4)
 * paper oklch(97% 0.006 252) · accent oklch(24% 0.100 252) deep-navy · accent-2 oklch(80% 0.160 90) bright-gold
 * display: Cabinet Grotesk · body: IBM Plex Sans · mono: JetBrains Mono
 * studied: yes · DNA-source: image (TEEX public training page — nav shape + content-rail pattern only, not colour)
 * user override: accent recoloured from studied maroon to deep navy + gold top-edge line, per explicit request
 * pre-emit critique: P5 H4 E4 S5 R5 V4
 */
@import url("tokens.css");

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: clip; }
html { overflow-x: clip; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; font-style: normal; line-height: 1.1; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  z-index: var(--z-toast);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus-visible {
  top: var(--space-md); left: var(--space-md);
  width: auto; height: auto;
  padding: var(--space-sm) var(--space-md);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

.container {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Nav ---------- */
.site-nav { position: sticky; top: 0; z-index: var(--z-sticky); }

.nav__utility {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-top: 3px solid var(--color-accent-2); /* the gold edge line */
}
.nav__utility-inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-xs) var(--page-gutter);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-lg);
}
.nav__utility-link {
  font-size: var(--text-sm);
  color: color-mix(in oklch, var(--color-accent-ink) 82%, transparent);
  transition: color var(--dur-short) var(--ease-out);
  white-space: nowrap;
}
.nav__utility-link:hover { color: var(--color-accent-2); }

.nav__main {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-rule);
}
.nav__inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-md) var(--page-gutter);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-accent);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav__center {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex: 1;
}
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--text-base);
  font-weight: 500;
  padding: var(--space-xs) 0;
  color: var(--color-ink);
  white-space: nowrap;
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-short) var(--ease-out);
}
.nav__link:hover::after,
.nav__link[aria-expanded="true"]::after { transform: scaleX(1); }
.nav__caret {
  width: 8px; height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--dur-short) var(--ease-out);
  margin-top: -2px;
}
.nav__link[aria-expanded="true"] .nav__caret { transform: rotate(-135deg); margin-top: 2px; }

.nav__right { margin-left: auto; display: flex; align-items: center; }
.nav__menu-toggle { display: none; padding: var(--space-xs); }
.nav__menu-toggle span,
.nav__menu-toggle::before,
.nav__menu-toggle::after {
  content: ""; display: block; width: 22px; height: 2px;
  background: var(--color-ink); margin: 4px 0;
  transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}

/* Mega panel */
.mega-panel {
  position: absolute; left: 0; right: 0; top: 100%;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  background: color-mix(in oklch, var(--color-paper) 97%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--color-rule);
  box-shadow: 0 30px 60px -28px oklch(20% 0.02 252 / 0.28);
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out), visibility var(--dur-short);
  z-index: var(--z-dropdown);
}
.mega-panel.is-open { opacity: 1; visibility: visible; transform: none; }
.mega-panel__inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter);
  display: grid;
  gap: var(--space-xl);
}
.mega-panel__inner[data-cols="3"] { grid-template-columns: repeat(3, 1fr) 1.1fr; }
.mega-panel__inner[data-cols="4"] { grid-template-columns: repeat(4, 1fr); }
.mega-panel__inner[data-cols="3-plain"] { grid-template-columns: repeat(3, 1fr); }
.mega-col__head {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}
.mega-link {
  display: flex; align-items: flex-start; gap: var(--space-sm);
  padding: var(--space-xs) 0;
  border-radius: var(--radius-sm);
}
.mega-link__ico { flex-shrink: 0; width: 20px; height: 20px; color: var(--color-accent); margin-top: 2px; }
.mega-link__ico svg { width: 100%; height: 100%; }
.mega-link b { display: block; font-weight: 600; font-size: var(--text-sm); }
.mega-link i {
  display: block; font-style: normal; font-size: var(--text-xs);
  color: var(--color-neutral); margin-top: 2px;
}
.mega-link:hover b { color: var(--color-accent); }
.mega-feature {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex; flex-direction: column; gap: var(--space-xs);
}
.mega-feature__eyebrow {
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-accent);
}
.mega-feature__title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-md); }
.mega-feature__desc { font-size: var(--text-sm); color: var(--color-muted); }

.nav-scrim {
  position: fixed; inset: 0; z-index: 99;
  background: oklch(18% 0.01 252 / 0.28);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-short) var(--ease-out), visibility var(--dur-short);
}
.nav-scrim.is-active { opacity: 1; visibility: visible; }

/* ---------- Hero / positioning paragraph ---------- */
.intro {
  padding-block: var(--space-xl) var(--space-lg);
}
.intro--wordmark {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: var(--space-lg) var(--space-xs);
}
.intro__wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(5.25rem, 15.75vw, 12.25rem);
  letter-spacing: -0.02em;
  color: var(--color-accent);
  overflow-wrap: anywhere;
  min-width: 0;
  line-height: 1;
}
.intro__inner { max-width: 52rem; }
.intro h1 {
  font-size: var(--text-display);
  overflow-wrap: anywhere;
  min-width: 0;
  color: var(--color-ink);
}
.intro p {
  margin-top: var(--space-lg);
  font-size: var(--text-md);
  color: var(--color-muted);
  max-width: 62ch;
}
.intro__surfaces {
  margin-top: var(--space-xl);
  display: flex; flex-wrap: wrap; gap: var(--space-sm);
}
.intro__surface-chip {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-rule);
  border-radius: 999px;
  color: var(--color-neutral);
}

/* ---------- Discovery rails ---------- */
.rail { padding-block: var(--space-2xl); border-top: 1px solid var(--color-rule); }
.rail__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}
.rail__title { font-size: var(--text-xl); }
.rail__notice {
  margin-top: calc(-1 * var(--space-2xl) + var(--space-sm));
  margin-bottom: var(--space-xl);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.rail__controls { display: flex; align-items: center; gap: var(--space-md); margin-left: auto; }
.rail__arrows { display: flex; gap: var(--space-xs); }
.rail__arrow {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; flex-shrink: 0;
  border: 1px solid var(--color-rule);
  border-radius: 999px;
  color: var(--color-ink);
  background: var(--color-paper);
  transition: border-color var(--dur-short) var(--ease-out), background var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}
.rail__arrow svg { width: 16px; height: 16px; }
@media (hover: hover) and (pointer: fine) {
  .rail__arrow:hover:not(:disabled) { border-color: var(--color-accent); background: var(--color-paper-2); }
}
.rail__arrow:disabled { opacity: 0.3; }
.rail__see-more {
  font-size: var(--text-sm); font-weight: 600; color: var(--color-accent);
  white-space: nowrap;
  flex-shrink: 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-short) var(--ease-out);
}
.rail__see-more:hover { border-color: var(--color-accent); }

.rail__grid {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--page-gutter);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--space-2xs);
}
.rail__grid::-webkit-scrollbar { display: none; }
.rail__grid > * { scroll-snap-align: start; flex: 0 0 auto; }
.rail__grid[data-cards="3"] > * { width: calc((100% - 2 * var(--space-lg)) / 3); }
.rail__grid[data-cards="4"] > * { width: calc((100% - 3 * var(--space-lg)) / 4); }

.card {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex; flex-direction: column; gap: var(--space-sm);
  transition: transform var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .card:hover { transform: translateY(-2px); border-color: var(--color-accent); }
}
.card__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-neutral);
  display: flex; gap: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-md);
  line-height: 1.25;
}
.card a.card__link {
  position: static;
}
.card a.card__link::after { content: ""; position: absolute; inset: 0; }
.card { position: relative; }
.card__desc { font-size: var(--text-sm); color: var(--color-muted); }
.card__tag {
  margin-top: auto;
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 600;
}
.card__tag a { color: inherit; }
.card__tag a:hover { text-decoration: underline; }

/* Card variant that holds several real links — no stretched-link overlay,
   since each list item needs its own click target. */
.card--list .card__title { font-size: var(--text-md); }
.card__linklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  border-top: 1px solid var(--color-rule);
  padding-top: var(--space-sm);
}
.card__linklist a {
  position: relative;
  z-index: 1;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
  display: block;
  padding-block: var(--space-3xs);
}
.card__linklist a:hover { color: var(--color-accent); text-decoration: underline; }

/* Card variant that's just an icon + headline + one line, the whole thing
   one real link — no jam-packed list, no overlay trick needed since the
   anchor already wraps the full card content. */
.card--simple { padding: 0; }
.card--simple .card__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  height: 100%;
}
.card__icon {
  width: 32px; height: 32px;
  color: var(--color-accent);
}
.card__icon svg { width: 100%; height: 100%; }

/* Category tiles (Resources rail) */
.tile {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex; flex-direction: column; gap: var(--space-md);
  position: relative;
  transition: transform var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .tile:hover { transform: translateY(-2px); border-color: var(--color-accent); }
}
.tile__ico { width: 28px; height: 28px; color: var(--color-accent); }
.tile__ico svg { width: 100%; height: 100%; }
.tile__title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-md); }
.tile__desc { font-size: var(--text-sm); color: var(--color-muted); }
.tile__count { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-neutral); }
.tile a.tile__link::after { content: ""; position: absolute; inset: 0; }

/* Note strip (about / community-coming-soon) — dark neutral band, NOT the accent flood.
   Ink is a low-chroma neutral (0.014); using it as a section base is standard dark-section
   practice and distinct from filling a section with the punchy 0.10-chroma accent token. */
.note-strip {
  background: var(--color-ink);
  color: var(--color-paper);
  padding-block: var(--space-2xl);
  scroll-margin-top: 100px;
  border-top: 3px solid var(--color-accent-2);
}
.note-strip__inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.note-strip h2 { font-size: var(--text-2xl); color: var(--color-paper); }
.note-strip p { margin-top: var(--space-md); color: color-mix(in oklch, var(--color-paper) 78%, transparent); max-width: 55ch; }
.note-strip__aside {
  border-left: 2px solid var(--color-accent-2);
  padding-left: var(--space-lg);
}
.note-strip__aside p:first-child { margin-top: 0; }
.note-strip__aside .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-2);
  margin-bottom: var(--space-xs);
}

/* ---------- Detail page: breadcrumb + course list (training-fema.html, etc.) ---------- */
.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}
.breadcrumb:hover { text-decoration: underline; }

.course-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.course-row {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: transform var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .course-row:hover { transform: translateY(-2px); border-color: var(--color-accent); }
}
.course-row__ico { flex-shrink: 0; width: 28px; height: 28px; color: var(--color-accent); margin-top: 2px; }
.course-row__ico svg { width: 100%; height: 100%; }
.course-row__body { flex: 1; min-width: 0; }
.course-row__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-neutral);
}
.course-row__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-top: var(--space-3xs);
}
.course-row__title a::after { content: ""; position: absolute; inset: 0; }
.course-row__desc { margin-top: var(--space-xs); font-size: var(--text-sm); color: var(--color-muted); max-width: 60ch; }
.course-row__badge {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  background: color-mix(in oklch, var(--color-accent) 10%, transparent);
  border-radius: 999px;
  padding: var(--space-3xs) var(--space-sm);
}
.course-row__arrow { flex-shrink: 0; font-size: var(--text-lg); color: var(--color-neutral); margin-top: 2px; }

/* No confirmed destination to link to — render as a quieter, non-interactive row. */
.course-row--nolink { opacity: 0.82; }
.course-row--nolink:hover { transform: none; border-color: var(--color-rule); }
.course-row--nolink .course-row__title { color: var(--color-muted); }

.state-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-sm);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-rule);
}
.state-index a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-neutral);
  padding: var(--space-3xs) var(--space-2xs);
}
.state-index a:hover { color: var(--color-accent); }

.callout {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-left: 3px solid var(--color-accent-2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-muted);
  max-width: 70ch;
}
.callout strong { color: var(--color-ink); }

/* ---------- Article / blog-post layout (rapidsos.html) ---------- */
.intro--centered .intro__inner {
  margin-inline: auto;
  text-align: center;
}
.intro--centered .intro p:not(.intro__lead) {
  margin-inline: auto;
}
.intro--centered .intro__lead {
  text-align: left;
  margin-inline: 0;
  max-width: none;
}
.article__figure {
  margin: var(--space-lg) 0 0;
}
.article__figure img {
  width: 100%;
}
.article__figure figcaption {
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-neutral);
}
.intro--centered .article__figure figcaption {
  text-align: center;
}

.article__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-neutral);
  margin-top: var(--space-sm);
}
.article {
  padding-block: 0 var(--space-3xl);
}
.article__body {
  max-width: 68ch;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.article__body h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-md);
}
.article__body p {
  font-size: var(--text-base);
  color: var(--color-ink);
  line-height: 1.7;
}
.article__body .callout { max-width: none; }
.article__body a { color: var(--color-accent); font-weight: 600; }
.article__body a:hover { text-decoration: underline; }

/* ---------- Pagination (news.html archive) ---------- */
.news-archive__count {
  font-size: var(--text-sm);
  color: var(--color-neutral);
  margin-bottom: var(--space-lg);
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-rule);
}
.pagination__btn {
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding-inline: var(--space-xs);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-ink);
  background: var(--color-paper);
  transition: border-color var(--dur-short) var(--ease-out), background var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .pagination__btn:hover:not(:disabled) { border-color: var(--color-accent); background: var(--color-paper-2); }
}
.pagination__btn:disabled { opacity: 0.3; }
.pagination__numbers { display: flex; align-items: center; gap: var(--space-2xs); }
.pagination__num {
  display: flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm); font-weight: 500;
  color: var(--color-neutral);
  transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .pagination__num:hover { border-color: var(--color-rule); color: var(--color-ink); }
}
.pagination__num.is-current {
  color: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 700;
}
.pagination__ellipsis { color: var(--color-neutral); padding-inline: var(--space-3xs); }

/* ---------- Footer (Ft3 index columns) ---------- */
.foot-index {
  padding-block: var(--space-2xl) var(--space-xl);
  border-top: 1px solid var(--color-rule);
}
.foot-index__grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: var(--space-xl);
}
.foot-index__brand { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); color: var(--color-accent); }
.foot-index__brand + p { margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-muted); max-width: 32ch; }
.foot-index .caps {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-neutral);
  margin-bottom: var(--space-md);
}
.foot-index ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.foot-index a { font-size: var(--text-sm); color: var(--color-ink); }
.foot-index a:hover { color: var(--color-accent); }
.foot-index__soon { color: var(--color-muted); font-size: var(--text-sm); }
.foot-index__meta {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-rule);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-sm);
  font-size: var(--text-xs); color: var(--color-neutral);
}

/* ---------- Page-load reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 60ms);
}
@keyframes reveal { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
  .reveal { animation: reveal-reduced 150ms linear forwards; }
  @keyframes reveal-reduced { to { opacity: 1; transform: none; } }
  .card:hover, .tile:hover { transform: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 60rem) {
  .nav__center { display: none; }
  .nav__menu-toggle { display: block; }
  .mega-panel { position: static; opacity: 1; visibility: visible; transform: none; display: none;
    backdrop-filter: none; box-shadow: none; }
  .mega-panel.is-open { display: block; }
  .mega-panel__inner[data-cols="3"],
  .mega-panel__inner[data-cols="4"],
  .mega-panel__inner[data-cols="3-plain"] { grid-template-columns: 1fr; }

  .rail__grid[data-cards="3"] > *,
  .rail__grid[data-cards="4"] > * { width: min(60vw, 340px); }

  .note-strip__inner { grid-template-columns: 1fr; }
  .note-strip__aside { border-left: none; border-top: 2px solid var(--color-accent-2); padding-left: 0; padding-top: var(--space-lg); }

  .foot-index__grid { grid-template-columns: repeat(2, 1fr); }
  .foot-index__grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 40rem) {
  .nav__utility-inner { justify-content: center; gap: var(--space-md); }
  .nav__utility-link { font-size: var(--text-xs); }
  .intro { padding-block: var(--space-lg) var(--space-md); }
  .rail__grid[data-cards="3"] > *,
  .rail__grid[data-cards="4"] > * { width: 84vw; }
  .rail__controls { margin-left: 0; }
  .foot-index__grid { grid-template-columns: 1fr; }
  .foot-index__meta { flex-direction: column; }
}

/* Mobile nav sheet — independent drawer, separate from the desktop mega-menu markup */
.nav__sheet { display: none; }
@media (max-width: 60rem) {
  .nav__sheet {
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-rule);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur-long) var(--ease-in-out);
  }
  .nav__sheet.is-open { display: block; max-height: 90vh; overflow-y: auto; }
  .sheet__list { padding: var(--space-sm) var(--page-gutter) var(--space-lg); }
  .sheet__group { border-bottom: 1px solid var(--color-rule); }
  .sheet__group:last-child { border-bottom: none; }
  .sheet__trigger {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-md) 0; font-weight: 600; font-size: var(--text-base);
    text-align: left;
  }
  .sheet__trigger .nav__caret { flex-shrink: 0; }
  .sheet__panel {
    display: grid; grid-template-rows: 0fr;
    transition: grid-template-rows var(--dur-long) var(--ease-in-out);
  }
  .sheet__panel.is-open { grid-template-rows: 1fr; }
  .sheet__panel > ul { overflow: hidden; display: flex; flex-direction: column; gap: var(--space-sm); padding-bottom: var(--space-md); }
  .sheet__panel a { display: block; padding: var(--space-xs) 0 var(--space-xs) var(--space-md); font-size: var(--text-sm); color: var(--color-muted); }
  .sheet__panel a:hover { color: var(--color-accent); }
  .sheet__plain { display: block; padding: var(--space-md) 0; font-weight: 600; }
}
@media (min-width: 60.01rem) {
  .nav__sheet, .nav__menu-toggle { display: none; }
}