:root {
  --ink: #12203a;
  --ink-soft: #3c4b66;
  --paper: #f3efe4;
  --paper-2: #e7e0d0;
  --card: #fbf8f1;
  --navy: #0e1c3a;
  --navy-2: #1a315f;
  --gold: #e0a11a;
  --gold-deep: #8d6208;
  --line: rgba(14, 28, 58, 0.14);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
  --page: 68rem;
  --measure: 40rem;
  --shadow: 0 16px 40px rgba(14, 28, 58, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 0% -10%, rgba(224, 161, 26, 0.18), transparent 60%),
    var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

img {
  max-width: 100%;
}

a {
  color: var(--navy-2);
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--gold-deep);
}

:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

::selection {
  background: var(--gold);
  color: var(--navy);
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 5;
  background: var(--navy);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
  text-decoration: none;
}

.skip:focus {
  top: 0.6rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(243, 239, 228, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.header-inner,
.wrap {
  width: min(var(--page), calc(100% - 2.5rem));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
}

.wordmark {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--navy);
}

.nav-check {
  display: none;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--navy);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.nav-toggle-close {
  display: none;
}

.nav-check:checked + .nav-toggle .nav-toggle-open {
  display: none;
}

.nav-check:checked + .nav-toggle .nav-toggle-close {
  display: inline;
}

.nav-check:focus-visible + .nav-toggle {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  background: var(--navy);
  color: var(--paper);
}

.progress {
  position: sticky;
  top: 4rem;
  z-index: 3;
  height: 3px;
  background: transparent;
}

.progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

main {
  padding-bottom: 4rem;
}

.hero h1 {
  max-width: 22ch;
}

.kicker,
.section-label {
  margin: 0 0 0.8rem;
  color: var(--gold-deep);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

h1 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
}

.lede {
  max-width: 38rem;
  margin: 1.25rem 0 0;
  font-size: 1.2rem;
  color: var(--ink-soft);
}

.byline {
  margin: 1rem 0 0;
  color: var(--ink);
}

.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}

.phase {
  background: var(--navy);
  color: var(--paper);
  border-radius: 14px;
  padding: 1rem 1rem 1.1rem;
  min-height: 9rem;
  transition: transform 160ms ease;
}

.phase:hover {
  transform: translateY(-3px);
}

.phase-day {
  display: block;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 2rem;
  line-height: 1;
}

.phase-name {
  display: block;
  margin-top: 0.45rem;
  font-weight: 650;
}

.phase-note {
  display: block;
  margin-top: 0.35rem;
  color: rgba(243, 239, 228, 0.82);
  font-size: 0.92rem;
}

.door-grid,
.book-grid,
.split {
  display: grid;
  gap: 1rem;
}

.door-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 1rem;
}

.door,
.book,
.panel,
.note-card,
.timeline li,
.craft,
.craft-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.door {
  display: block;
  padding: 1.25rem 1.3rem 1.35rem;
  color: inherit;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.door:hover {
  transform: translateY(-3px);
  border-color: rgba(224, 161, 26, 0.7);
  color: inherit;
}

.door-index {
  color: var(--gold-deep);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.door h2,
.panel h2,
.book h2,
.note-card h2 {
  margin: 0.35rem 0 0.4rem;
  font-size: 1.7rem;
}

.door p,
.panel p,
.book p,
.note-card p {
  margin: 0;
  color: var(--ink-soft);
}

.section {
  padding-top: 2.5rem;
}

.split {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
}

.panel,
.note-card {
  padding: 1.3rem 1.35rem 1.4rem;
}

.text-link {
  display: inline-block;
  margin-top: 0.9rem;
  font-weight: 650;
}

.page-intro {
  padding-top: 3rem;
  max-width: 44rem;
}

.page-intro h1 {
  max-width: 28ch;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
}

.prose {
  max-width: var(--measure);
}

.prose p,
.prose ul,
.prose ol {
  margin: 0.9rem 0;
}

.prose h2 {
  margin: 2rem 0 0.4rem;
  font-size: 1.7rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.quote {
  margin: 1.2rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.35;
}

.library {
  margin-top: 1.5rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
}

.chip:has(input:checked),
button.chip[aria-pressed="true"] {
  background: var(--navy);
  color: var(--paper);
  border-color: var(--navy);
}

button.chip {
  font: inherit;
  color: inherit;
}

.chip-count {
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
}

.chip {
  position: relative;
}

.chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.chip input:focus-visible {
  outline: none;
}

.chip:has(input:focus-visible) {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

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

.book {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  padding: 1rem;
}

.book-cover {
  width: 8.5rem;
  height: auto;
  border-radius: 2px 8px 8px 2px;
  box-shadow: 8px 14px 24px rgba(14, 28, 58, 0.16);
}

.book-detail {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: end;
  max-width: none;
}

.book-detail .book-cover {
  width: 11rem;
}

.craft-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.craft-card {
  padding: 1.25rem 1.3rem 1.35rem;
}

.craft-card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.7rem;
}

.craft-card p {
  margin: 0.4rem 0;
}

.craft-card ul {
  margin: 0.8rem 0 0.2rem;
  padding-left: 1.1rem;
}

.craft-card li + li {
  margin-top: 0.3rem;
}

.craft-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.8rem;
}

.craft-links a {
  font-weight: 650;
}

.topic-groups {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.subject-group h2 {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
}

.subject-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.topic-map {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: 1.6rem;
  align-items: start;
}

.topic-branch-wide {
  grid-column: 1 / -1;
}

.topic-branch {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.15rem 1.25rem 0.85rem;
}

.topic-branch:has(.topic-root:hover) {
  border-color: rgba(224, 161, 26, 0.7);
}

.topic-root {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "index name count"
    "summary summary summary";
  gap: 0.15rem 0.7rem;
  color: inherit;
  text-decoration: none;
}

.topic-root .door-index {
  grid-area: index;
  align-self: center;
}

.topic-root .subject-name {
  grid-area: name;
  font-size: 1.6rem;
}

.topic-root .subject-count {
  grid-area: count;
  align-self: center;
}

.topic-root .subject-summary {
  grid-area: summary;
  margin-top: 0.2rem;
}

.topic-root:hover .subject-name {
  text-decoration: underline;
}

.topic-tree {
  list-style: none;
  margin: 0.7rem 0 0.2rem;
  padding: 0.15rem 0 0;
  border-top: 1px solid var(--line);
}

.topic-tree .topic-tree {
  margin: 0 0 0.1rem 0.55rem;
  padding: 0 0 0.1rem 0.75rem;
  border-top: 0;
  border-left: 2px solid rgba(224, 161, 26, 0.55);
}

.topic-tree > li > a {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.42rem 0;
  color: var(--navy);
  font-weight: 650;
  text-decoration: none;
}

.topic-tree > li > a:hover {
  text-decoration: underline;
}

.topic-tree .topic-tree > li > a {
  font-weight: 560;
}

.topic-tree .subject-count {
  flex: none;
  letter-spacing: 0;
  text-transform: none;
  font-variant-numeric: tabular-nums;
}

.subject-index a {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name count"
    "summary summary";
  gap: 0.15rem 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.subject-index a:hover .subject-name {
  text-decoration: underline;
}

.subject-name {
  grid-area: name;
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--navy);
}

.subject-count {
  grid-area: count;
  color: var(--gold-deep);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.subject-summary {
  grid-area: summary;
  color: var(--ink-soft);
}

@media (min-width: 801px) {
  .subject-index a {
    grid-template-columns: 14rem minmax(0, 1fr) auto;
    grid-template-areas: "name summary count";
    align-items: baseline;
  }
}
.book-face {
  width: 8.2rem;
  min-height: 12.4rem;
  border-radius: 3px 8px 8px 3px;
  background:
    linear-gradient(90deg, #081226 0 10px, transparent 10px),
    var(--navy);
  color: var(--paper);
  padding: 0.9rem 0.75rem 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 8px 14px 24px rgba(14, 28, 58, 0.16);
}

.book-face strong {
  font-family: var(--serif);
  font-size: 2.4rem;
  line-height: 0.9;
  color: var(--gold);
}

.book-face span {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.book h2 {
  font-size: 1.55rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.7rem 0;
}

.pill {
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.pill-live {
  background: var(--navy);
  color: var(--paper);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-top: 0.8rem;
}

.button {
  display: inline-block;
  background: var(--navy);
  color: var(--paper);
  text-decoration: none;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font-weight: 650;
}

.button:hover {
  background: var(--navy-2);
  color: var(--paper);
}

.button.secondary {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--line);
}

.button.secondary:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.series {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.series li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.75rem 0.9rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.series span {
  color: var(--ink-soft);
  white-space: nowrap;
}

.timeline {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.timeline li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 1rem 1.1rem;
}

.when {
  color: var(--gold-deep);
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.timeline h3 {
  margin: 0;
  font-size: 1.25rem;
}

.timeline p {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
}

.craft-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.craft {
  padding: 0;
  overflow: hidden;
}

.craft summary {
  cursor: pointer;
  padding: 1rem 1.1rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  list-style: none;
}

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

.craft summary::after {
  content: "+";
  float: right;
  color: var(--gold-deep);
  font-family: var(--sans);
}

.craft[open] summary::after {
  content: "–";
}

.craft-body {
  padding: 0 1.1rem 1.1rem;
  color: var(--ink-soft);
  max-width: 42rem;
}

.craft-body p {
  margin: 0.4rem 0;
}

.note-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.boundary,
.callout {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(14, 28, 58, 0.04);
  border: 1px solid var(--line);
}

.site-footer {
  background: var(--navy);
  color: rgba(243, 239, 228, 0.86);
  padding: 2.5rem 0 2rem;
}

.site-footer a {
  color: var(--gold);
}

.footer-inner {
  width: min(var(--page), calc(100% - 2.5rem));
  margin-inline: auto;
  display: grid;
  gap: 0.7rem;
}

.footer-brand {
  margin: 0;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--paper);
}

.site-footer p {
  margin: 0;
  max-width: 46rem;
}

.fine {
  color: rgba(243, 239, 228, 0.62);
  font-size: 0.92rem;
}

.fine-note {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.crumbs {
  margin: 1.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.answers dt {
  margin-top: 1.15rem;
  font-family: var(--serif);
  font-size: 1.45rem;
}

.answers dd {
  margin: 0.3rem 0 0;
  max-width: 40rem;
  color: var(--ink-soft);
}

.tag {
  display: inline-block;
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
  background: var(--paper-2);
  color: var(--ink);
  font-size: 0.78rem;
  text-decoration: none;
}

.tag:hover {
  background: var(--navy);
  color: var(--paper);
}

.note-card h2 a,
.book h2 a {
  color: inherit;
  text-decoration: none;
}

.prose blockquote {
  margin: 1.2rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.35;
}

.prose blockquote p {
  margin: 0.35rem 0;
}

.prose pre {
  overflow-x: auto;
  background: var(--navy);
  color: var(--paper);
  padding: 0.9rem 1rem;
  border-radius: 12px;
  font-size: 0.86rem;
  line-height: 1.45;
}

.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.prose p code,
.prose li code,
.prose td code {
  background: var(--paper-2);
  padding: 0.05em 0.3em;
  border-radius: 4px;
}

.prose pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 0.45rem 0.5rem;
  vertical-align: top;
}

.door-grid .door:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.jump {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.jump-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  align-items: baseline;
}

.jump-label {
  min-width: 6.5rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
}

.jump-links a {
  color: var(--navy);
  font-weight: 650;
  text-decoration: none;
}

.jump-links a:hover {
  text-decoration: underline;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 0.6rem;
  border-top: 1px solid var(--line);
}

.map-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 40rem;
}

.map-table caption {
  caption-side: bottom;
  padding: 0.8rem 0 0;
  text-align: left;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.map-table th,
.map-table td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 0.75rem 0.7rem 0.75rem 0;
  vertical-align: baseline;
}

.map-table thead th {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.map-table tbody th {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  width: 28%;
}

.map-table a {
  color: var(--navy);
}

.map-table td:last-child a {
  display: inline-block;
  margin: 0.15rem 0.55rem 0.15rem 0;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.map-table td:last-child a:hover {
  border-bottom-color: var(--navy);
}

.filter-status {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.work-row {
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 5.5rem;
}

.work-row h2 {
  margin: 0;
  font-size: 1.55rem;
}

.work-row h2 a {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  color: inherit;
  text-decoration: none;
}

.work-row h2 a:hover {
  text-decoration: underline;
}

.work-row h2 span {
  flex: none;
  color: var(--gold-deep);
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.work-row > p {
  margin: 0.35rem 0 0 1.9rem;
  color: var(--ink-soft);
}

.work-row details {
  margin: 0.55rem 0 0 1.9rem;
}

.work-row summary {
  width: fit-content;
  color: var(--gold-deep);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}

.work-row .quote {
  margin: 0.8rem 0 0.3rem;
  font-size: 1.2rem;
}

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

.latest li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.latest time {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--gold-deep);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.latest a {
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-decoration: none;
}

.latest a:hover {
  text-decoration: underline;
}

.latest p {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
}

.audience {
  scroll-margin-top: 5.5rem;
}

.audience-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.25rem;
}

.audience-jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  background: var(--card);
  color: var(--navy);
  text-decoration: none;
}

.audience-jump a:hover {
  border-color: var(--navy);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  padding: 0.9rem 1.6rem 0.9rem 0;
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.2;
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  float: right;
  margin-right: -1.6rem;
  color: var(--gold-deep);
  font-family: var(--sans);
  font-size: 1.1rem;
}

.faq details[open] summary::after {
  content: "–";
}

.faq details p {
  margin: 0 0 1rem;
  max-width: 40rem;
  color: var(--ink-soft);
}

.library section {
  margin-top: 2.2rem;
}

.library section h2 {
  margin: 0 0 0.4rem;
  font-size: 1.8rem;
}

@media (max-width: 800px) {
  .nav-check {
    display: block;
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: 0;
    opacity: 0;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 1.25rem 1rem;
  }

  .nav-check:checked ~ .site-nav {
    display: block;
  }

  .nav-list {
    flex-direction: column;
  }

  .nav-list a {
    padding: 0.7rem 0.2rem;
  }

  .header-inner,
  .wrap,
  .footer-inner {
    width: min(var(--page), calc(100% - 1.5rem));
  }

  h1 {
    font-size: clamp(1.9rem, 9vw, 3rem);
  }

  .map-table {
    min-width: 0;
  }

  .map-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }

  .map-table tr {
    display: block;
    padding: 0.85rem 0 1rem;
    border-bottom: 1px solid var(--line);
  }

  .map-table tbody th,
  .map-table td {
    display: block;
    width: auto;
    border: 0;
    padding: 0.15rem 0;
  }

  .map-table td::before {
    content: attr(data-label);
    display: block;
    margin-top: 0.45rem;
    font-family: var(--sans);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }

  .phases,
  .door-grid,
  .split,
  .timeline li,
  .book,
  .book-detail,
  .craft-grid,
  .topic-map {
    grid-template-columns: 1fr;
  }

  .topic-branch-wide {
    grid-column: auto;
  }

  .topic-tree .topic-tree {
    margin-left: 0.3rem;
    padding-left: 0.55rem;
  }

  .chip {
    min-height: 44px;
  }

  .work-row > p,
  .work-row details {
    margin-left: 0;
  }

  .series span {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .phase,
  .door,
  .progress span {
    transition: none;
  }

  .phase:hover,
  .door:hover {
    transform: none;
  }
}