/* USEAL About page
   Page-specific presentation only.
   The site-wide navbar, typography defaults, and brand variables remain in styles.css. */

:root {
  --about-ink: var(--useal-navy, #102f46);
  --about-muted: var(--nisp-muted, #6b7785);
  --about-border: var(--nisp-border, #d9dee5);
  --about-panel: #f6f8fa;
  --about-panel-2: #f2f4f7;
  --about-white: #ffffff;
  --about-link: #2f67d8;
}

#title-block-header {
  margin-bottom: 0.7rem;
}

.quarto-title h1.title,
h1.title {
  color: var(--about-ink);
  font-size: clamp(2.45rem, 4.2vw, 3.35rem);
  line-height: 1.03;
  font-weight: 750;
  letter-spacing: -0.035em;
}

.nisp-about-intro {
  margin: 0 0 2.7rem;
}

.nisp-about-eyebrow,
.nisp-about-section-kicker,
.nisp-about-card-kicker {
  display: block;
  color: var(--about-muted);
  font-size: 0.73rem;
  font-weight: 750;
  line-height: 1.25;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.nisp-about-lead {
  max-width: 900px;
  margin: 0.65rem 0 0;
  color: var(--about-ink);
  font-size: clamp(1.16rem, 1.5vw, 1.38rem);
  line-height: 1.55;
}

.nisp-about-sublead {
  max-width: 880px;
  margin: 0.85rem 0 0;
  color: var(--about-muted);
  font-size: 1rem;
  line-height: 1.65;
}

.nisp-about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.3rem;
}

.nisp-about-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--about-border);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none !important;
  transition: border-color 120ms ease, background 120ms ease;
}

.nisp-about-action-primary {
  background: var(--about-ink);
  border-color: var(--about-ink);
  color: #fff !important;
}

.nisp-about-action-primary:hover {
  background: #183b54;
  border-color: #183b54;
}

.nisp-about-action-secondary {
  background: #fff;
  color: var(--about-ink) !important;
}

.nisp-about-action-secondary:hover {
  border-color: var(--about-ink);
}

h2.nisp-about-h2,
.nisp-about-h2 > h2 {
  margin-top: 3.35rem;
  margin-bottom: 1.35rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--about-border);
  color: var(--about-ink);
  font-size: clamp(1.85rem, 3vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.nisp-about-section-intro {
  max-width: 850px;
  margin: -0.2rem 0 1.25rem;
  color: var(--about-muted);
  line-height: 1.65;
}

.nisp-about-purpose-grid,
.nisp-about-coverage-grid,
.nisp-about-people-grid,
.nisp-about-two-grid,
.nisp-about-revision-grid,
.nisp-about-resource-grid {
  display: grid;
  gap: 0.9rem;
}

.nisp-about-purpose-grid,
.nisp-about-coverage-grid,
.nisp-about-revision-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.nisp-about-purpose-card {
  min-height: 225px;
  padding: 1.25rem 1.25rem 1.15rem;
  border: 1px solid var(--about-border);
  border-top: 3px solid var(--about-ink);
  border-radius: 8px;
  background: #fff;
}

.nisp-about-purpose-card h3,
.nisp-about-coverage-card h3,
.nisp-about-info-card h3,
.nisp-about-interpretation h3,
.nisp-about-revision-grid h3 {
  margin: 0.55rem 0 0.55rem;
  color: var(--about-ink);
  font-size: 1.12rem;
  line-height: 1.3;
}

.nisp-about-purpose-card p,
.nisp-about-coverage-card p,
.nisp-about-info-card p,
.nisp-about-revision-grid p {
  margin: 0;
  color: var(--about-muted);
  line-height: 1.58;
}

.nisp-about-card-meta {
  display: block;
  margin-top: 1rem;
  color: var(--about-ink);
  font-size: 0.84rem;
  font-weight: 700;
}

.nisp-about-panel,
.nisp-about-maintenance-panel,
.nisp-about-resources {
  padding: 1.35rem;
  border: 1px solid var(--about-border);
  border-radius: 9px;
  background: var(--about-panel);
}

.nisp-about-coverage-grid {
  margin-top: 0.85rem;
}

.nisp-about-coverage-card {
  padding: 1.05rem 1.05rem 0.95rem;
  border: 1px solid var(--about-border);
  border-radius: 7px;
  background: #fff;
}

.nisp-about-coverage-card h3 {
  margin-top: 0;
}

.nisp-about-coverage-card ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--about-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.nisp-about-story-block {
  margin-top: 1.65rem;
}

.nisp-about-story {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  overflow: hidden;
}

.nisp-about-story li {
  position: relative;
  min-height: 180px;
  padding: 1rem 0.95rem 1.05rem;
  background: #fff;
  border-right: 1px solid var(--about-border);
}

.nisp-about-story li:last-child {
  border-right: 0;
}

.nisp-about-story-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  margin-bottom: 0.85rem;
  border-radius: 999px;
  background: var(--about-ink);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 750;
}

.nisp-about-story strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--about-ink);
  font-size: 0.98rem;
}

.nisp-about-story li > span:last-child {
  color: var(--about-muted);
  font-size: 0.87rem;
  line-height: 1.5;
}

.nisp-about-people-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.nisp-about-person {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 1rem;
  min-height: 168px;
  padding: 1.15rem;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: #fff;
}

.nisp-about-person-photo {
  width: 82px;
  height: 82px;
  border: 1px solid var(--about-border);
  border-radius: 10px;
  object-fit: cover;
  background: var(--about-panel-2);
}

.nisp-about-person-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--about-ink);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.025em;
}

.nisp-about-person h3 {
  margin: 0;
  color: var(--about-ink);
  font-size: 1.1rem;
}

.nisp-about-person-role {
  margin-top: 0.12rem;
  color: var(--about-muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.nisp-about-person p {
  margin: 0.58rem 0 0.55rem;
  color: var(--about-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.nisp-about-person-link,
.nisp-about-inline-links a,
.nisp-about-interpretation a {
  color: var(--about-link);
  font-weight: 650;
  text-decoration: none;
}

.nisp-about-person-link:hover,
.nisp-about-inline-links a:hover,
.nisp-about-interpretation a:hover {
  text-decoration: underline;
}

.nisp-about-history {
  margin-top: 0.9rem;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: var(--about-panel);
  overflow: hidden;
}

.nisp-about-history summary {
  cursor: pointer;
  padding: 0.9rem 1rem;
  color: var(--about-ink);
  font-weight: 750;
  list-style: none;
}

.nisp-about-history summary::-webkit-details-marker {
  display: none;
}

.nisp-about-history summary::before {
  content: "▸";
  display: inline-block;
  width: 1.05rem;
  color: var(--about-muted);
}

.nisp-about-history[open] summary::before {
  content: "▾";
}

.nisp-about-history-body {
  padding: 0 1rem 0.95rem;
}

.nisp-about-history-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.38fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--about-border);
}

.nisp-about-history-row strong {
  color: var(--about-ink);
}

.nisp-about-history-row span {
  color: var(--about-muted);
}

.nisp-about-two-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.nisp-about-info-card {
  min-height: 240px;
  padding: 1.2rem;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: #fff;
}

.nisp-about-pending {
  margin-top: 1rem;
  padding: 0.85rem;
  border-left: 3px solid var(--about-ink);
  background: var(--about-panel);
}

.nisp-about-pending strong,
.nisp-about-pending span {
  display: block;
}

.nisp-about-pending strong {
  color: var(--about-ink);
  font-size: 0.9rem;
}

.nisp-about-pending span {
  margin-top: 0.25rem;
  color: var(--about-muted);
  font-size: 0.84rem;
  line-height: 1.48;
}

.nisp-about-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
  margin-top: 1rem;
}

.nisp-about-interpretation {
  margin-top: 1rem;
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: var(--about-panel);
}

.nisp-about-interpretation h3 {
  margin-top: 0.45rem;
}

.nisp-about-interpretation p {
  max-width: 850px;
  color: var(--about-muted);
  line-height: 1.62;
}

.nisp-about-maintenance-panel {
  padding-bottom: 1.1rem;
}

.nisp-about-maintenance {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.nisp-about-maintenance li {
  min-height: 170px;
  padding: 1rem 0.85rem;
  border-right: 1px solid var(--about-border);
}

.nisp-about-maintenance li:last-child {
  border-right: 0;
}

.nisp-about-maintenance li > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.65rem;
  height: 1.65rem;
  margin-bottom: 0.8rem;
  border-radius: 999px;
  background: var(--about-ink);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 750;
}

.nisp-about-maintenance strong,
.nisp-about-maintenance small {
  display: block;
}

.nisp-about-maintenance strong {
  color: var(--about-ink);
  font-size: 0.94rem;
}

.nisp-about-maintenance small {
  margin-top: 0.4rem;
  color: var(--about-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.nisp-about-revision-kicker {
  margin-top: 1.6rem;
}

.nisp-about-revision-grid {
  margin-top: 0.8rem;
}

.nisp-about-revision-grid article {
  min-height: 125px;
  padding: 1rem;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: #fff;
}

.nisp-about-revision-grid h3 {
  margin-top: 0;
}

.nisp-about-maintenance-note {
  margin: 0.9rem 0 0;
  color: var(--about-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.nisp-about-resources {
  margin-top: 1.7rem;
}

.nisp-about-resource-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 0.85rem;
}

.nisp-about-resource-card {
  display: block;
  min-height: 145px;
  padding: 1.05rem;
  border: 1px solid var(--about-border);
  border-radius: 8px;
  background: #fff;
  color: inherit !important;
  text-decoration: none !important;
  transition: border-color 120ms ease, transform 120ms ease;
}

.nisp-about-resource-card:hover {
  border-color: #aeb8c4;
  transform: translateY(-1px);
}

.nisp-about-resource-card > span {
  display: block;
  color: var(--about-muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.085em;
  text-transform: uppercase;
}

.nisp-about-resource-card strong {
  display: block;
  margin-top: 0.4rem;
  color: var(--about-ink);
  font-size: 1.03rem;
}

.nisp-about-resource-card small {
  display: block;
  margin-top: 0.45rem;
  color: var(--about-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .nisp-about-purpose-grid,
  .nisp-about-coverage-grid,
  .nisp-about-revision-grid {
    grid-template-columns: 1fr;
  }

  .nisp-about-story,
  .nisp-about-maintenance {
    grid-template-columns: 1fr;
  }

  .nisp-about-story li,
  .nisp-about-maintenance li {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--about-border);
  }

  .nisp-about-story li:last-child,
  .nisp-about-maintenance li:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 760px) {
  .nisp-about-people-grid,
  .nisp-about-two-grid,
  .nisp-about-resource-grid {
    grid-template-columns: 1fr;
  }

  .nisp-about-person {
    grid-template-columns: 70px minmax(0, 1fr);
  }

  .nisp-about-person-photo {
    width: 70px;
    height: 70px;
  }

  .nisp-about-history-row {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .nisp-about-panel,
  .nisp-about-maintenance-panel,
  .nisp-about-resources {
    padding: 1rem;
  }

  h2.nisp-about-h2,
  .nisp-about-h2 > h2 {
    margin-top: 2.6rem;
    padding-top: 1.35rem;
  }
}

@media (max-width: 520px) {
  .nisp-about-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .nisp-about-action {
    width: 100%;
  }

  .nisp-about-person {
    grid-template-columns: 1fr;
  }

  .nisp-about-person-photo {
    width: 76px;
    height: 76px;
  }
}


/* ========================================================================== */
/* About v3 — final visual polish                                              */
/* ========================================================================== */

/* Why USEAL? — keep the three footer/meta lines on the same baseline. */
.nisp-about-purpose-card {
  display: flex;
  flex-direction: column;
}

.nisp-about-purpose-card .nisp-about-card-meta {
  margin-top: auto;
  padding-top: 1rem;
}

/* Project story — five related stages, but visually distinct cards rather
   than one segmented/table-like strip. Keep the gap deliberately small. */
.nisp-about-story {
  gap: 0.4rem;
  border: 0;
  border-radius: 0;
  overflow: visible;
  background: transparent;
}

.nisp-about-story li,
.nisp-about-story li:last-child {
  border: 1px solid var(--about-border);
  border-radius: 6px;
}

/* Match the frozen Method section-heading grammar: one divider before each
   major section; no Quarto/Cosmo rule directly underneath the H2. */
h2.nisp-about-h2,
.nisp-about-h2 > h2 {
  border-bottom: 0 !important;
  padding-bottom: 0 !important;
}

/* Match the frozen Method left-TOC treatment exactly. */
#quarto-sidebar-toc-left {
  padding-top: 2.4rem;
}

#quarto-sidebar-toc-left .sidebar-title,
#quarto-sidebar-toc-left .toc-title,
#TOC .toc-title {
  margin-bottom: 0.65rem;
  color: var(--about-muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

#quarto-sidebar-toc-left nav,
#TOC {
  font-size: 0.82rem;
}

#quarto-sidebar-toc-left .nav-link,
#TOC .nav-link {
  padding: 0.26rem 0 0.26rem 0.7rem;
  border-left: 2px solid transparent;
  color: #526170;
  line-height: 1.32;
  text-decoration: none;
}

#quarto-sidebar-toc-left .nav-link:hover,
#TOC .nav-link:hover {
  color: var(--about-ink);
}

#quarto-sidebar-toc-left .nav-link.active,
#TOC .nav-link.active {
  border-left-color: var(--about-ink);
  color: var(--about-ink) !important;
  font-weight: 700;
}

/* Keep external-link arrows typographic rather than emoji-like. */
.nisp-about-person-link {
  font-family: inherit;
}

/* EARL Quarto 1.9 top-level TOC collapse repair
 *
 * Quarto currently renders the first-level document TOC list as
 * <ul class="collapse"> on these left-TOC article pages. Bootstrap
 * therefore hides the entries while leaving the TOC title visible.
 * Re-open only the direct top-level TOC list; nested responsive
 * behavior elsewhere is untouched.
 */
#TOC > ul.collapse {
  display: block !important;
  height: auto !important;
  visibility: visible !important;
}

/* EARL About Quarto article-grid alignment anchor
 *
 * Method legitimately uses Quarto's margin column for the Selected
 * concept panel. This non-visible About margin element keeps both
 * article pages in the same Quarto grid mode without introducing
 * visible About-page content.
 */
.earl-about-margin-grid-anchor {
  visibility: hidden !important;
  pointer-events: none !important;
  height: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

/* EARL About: canonical citation and public-repository contact */

.nisp-about-citation {
  margin: 0.9rem 0 0;
  line-height: 1.6;
}

.nisp-about-citation strong {
  font-weight: 700;
}

.nisp-about-resource-contact {
  margin: 0.9rem 0 0;
  font-size: 0.92rem;
  line-height: 1.5;
}

.nisp-about-resource-contact a {
  font-weight: 650;
}