:root {
  color-scheme: light dark;
  --sans: -apple-system, Geist, sans-serif;
  --mono: monospace;
  --bg: #f2eeed;
  --reading: #e8e4e5;
  --raised: #dddae0;
  --figure-bg: #dfd7da;
  --figure-raised: #dad4da;
  --text: #1d212d;
  --text-dim: #575d6c;
  --border: #757684;
  --border-dim: #c3bcc0;
  --signal: #475a90;
  /* Spacing scale. Original magic numbers documented for reference:
     2, 3, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26,
     29, 30, 32, 34, 38, 40, 42, 44, 48, 56, 64, 72 */
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 7px;
  --space-4: 10px;
  --space-5: 12px;
  --space-6: 14px;
  --space-7: 18px;
  --space-8: 20px;
  --space-9: 24px;
  --space-10: 30px;
  --space-11: 34px;
  --space-12: 40px;
  --space-13: 48px;
  --space-14: 56px;
  --space-15: 64px;
  --space-16: 72px;
  --content-width: clamp(720px, 55vw, 980px);
}

:root.theme-dark {
  --bg: #0d1112;
  --reading: #171b1a;
  --raised: #22251f;
  --figure-bg: #202825;
  --figure-raised: #252b25;
  --text: #e2ded2;
  --text-dim: #a8a293;
  --border: #8a897b;
  --border-dim: #3c433f;
  --signal: #b8a56f;
}

@media (prefers-color-scheme: dark) {
  :root:not(.theme-light) {
    --bg: #0d1112;
    --reading: #171b1a;
    --raised: #22251f;
    --figure-bg: #202825;
    --figure-raised: #252b25;
    --text: #e2ded2;
    --text-dim: #a8a293;
    --border: #8a897b;
    --border-dim: #3c433f;
    --signal: #b8a56f;
  }

}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-color: var(--signal);
}

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

.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 100;
  width: min(100%, 720px);
  padding: var(--space-3) var(--space-12);
  color: var(--text);
  font-size: 11px;
  font-weight: 500;
  text-decoration: none;
  transform: translateX(-50%) translateY(-100%);
}

.skip-link:focus {
  transform: translateX(-50%) translateY(0);
}

#main:focus {
  outline: none;
}

img {
  max-width: 100%;
  height: auto;
}

.limiter {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding-right: var(--space-12);
  padding-left: var(--space-12);
}

.page {
  min-height: 100vh;
  padding-top: var(--space-8);
  padding-bottom: var(--space-16);
}

.site-header {
  padding: var(--space-8) 0;
  color: var(--text);
}

.site-name {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-name a {
  color: inherit;
  text-decoration: none;
}

.theme-toggle {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-1);
}

.theme-toggle button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--text-dim);
  cursor: pointer;
  font: 12px/1.5 var(--sans);
}

.theme-toggle button:hover,
.theme-toggle button[aria-pressed="true"] {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--signal);
}

@media (min-width: 1180px) {
  .site-header {
    position: absolute;
    top: 0;
    right: 50%;
    width: 180px;
    margin-right: clamp(380px, calc(27.5vw + 20px), 510px);
    padding: var(--space-8);
  }

  .site-header-inner {
    width: auto;
    margin: 0;
    padding: 0;
  }

}

.reading-rail {
  position: relative;
  z-index: 3;
  width: fit-content;
  max-width: 100%;
  margin: 0 0 var(--space-13);
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.35;
}

.reading-rail::before {
  display: block;
  width: 100%;
  margin-bottom: var(--space-3);
  border-top: 1px solid var(--signal);
  content: "";
}

.rail-width-measure {
  display: grid;
  width: max-content;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  white-space: nowrap;
}

@media (min-width: 1180px) {
  .reading-rail {
    position: fixed;
    top: 0;
    left: 50%;
    z-index: 2;
    display: block;
    width: clamp(172px, 12vw, 220px);
    margin: 0 0 0 clamp(372px, calc(27.5vw + 12px), 502px);
    padding: var(--space-5) var(--space-6);
    background: var(--bg);
    color: var(--text-dim);
    font-size: 11px;
    line-height: 1.35;
  }

  .reading-rail::after {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    height: 18px;
    background: linear-gradient(to bottom, var(--bg), transparent);
    content: "";
    pointer-events: none;
  }

  .reading-rail::before {
    display: none;
  }

}

.rail-title {
  margin: 0;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}

.rail-title::marker {
  content: "▸  ";
  font-size: 1.35em;
}

.rail-contents[open] > .rail-title::marker {
  content: "▾  ";
}

.rail-contents-body {
  padding-top: var(--space-3);
}

.rail-meta {
  margin-bottom: var(--space-4);
  color: var(--text-dim);
  font-size: clamp(11px, 0.75vw, 13px);
  line-height: 1.25;
}

.rail-meta p {
  margin: 0;
}

.rail-meta p + p {
  margin-top: var(--space-2);
}

.rail-series {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  color: var(--text);
  white-space: nowrap;
}

.rail-accent {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--signal);
}

.rail-date {
  color: var(--text);
}

.rail-section-nav,
.rail-reference-nav {
  display: grid;
  gap: var(--space-1);
}

.rail-reference-nav {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-dim);
}

.rail-section-nav a,
.rail-reference-nav a {
  text-decoration: none;
}

.rail-section-nav a:hover,
.rail-reference-nav a:hover {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--signal);
}

.intro {
  max-width: 610px;
  margin: 0 0 0;
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.55;
}

.section {
  margin-top: var(--space-8);
}

.section-title {
  margin: 0 0 var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-dim);
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
}

.series-group {
  margin-top: var(--space-9);
}

.series-group:first-of-type {
  margin-top: 0;
}

.series-heading {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-3);
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 600;
}

:root.theme-light :is(.intro, .series-heading, .landing-note) {
  color: var(--text);
}

@media (prefers-color-scheme: light) {
  :root:not(.theme-dark) :is(.intro, .series-heading, .landing-note) {
    color: var(--text);
  }
}

.series-heading::before {
  display: block;
  width: 7px;
  height: 7px;
  background: var(--series-accent, var(--signal));
  content: "";
}

.series-list {
  margin: 0;
  padding-left: var(--space-10);
}

.series-list li {
  padding: var(--space-1) 0 var(--space-1) var(--space-1);
}

.series-list a {
  font-weight: 500;
  letter-spacing: -0.015em;
  text-decoration: none;
}

.series-list a:hover {
  text-decoration: underline;
  text-decoration-color: currentColor;
}

.page-title {
  margin: 0 0 var(--space-2);
  font-size: clamp(34px, 7vw, 54px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.page-subtitle {
  margin: 0;
  color: var(--text-dim);
  font: 20px/1.55 var(--sans);
}

.essay-threshold {
  position: relative;
  padding: var(--space-1) 0 var(--space-4);
}

.essay-part {
  margin: var(--space-4) var(--space-2) var(--space-8);
  font-family: var(--mono);
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.essay-cover {
  width: min(100%, 980px);
  margin: var(--space-8) auto var(--space-8);
}

.essay-cover img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--figure-bg);
  border: 1px solid var(--border-dim);
}

.caption {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: var(--space-6);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-dim);
  border-top: 1px solid color-mix(in srgb, var(--border-dim) 80%, transparent);
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: clamp(11px, 0.75vw, 13px);
  line-height: 1.5;
}

.caption-label {
  color: var(--text);
  font-family: var(--mono);
  font-size: clamp(9px, 0.65vw, 11px);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.caption-plain {
  display: block;
}

.article {
  font: 18px/1.7 var(--sans);
}

.footnote-ref {
  font: 650 10px/1 var(--sans);
  vertical-align: super;
}

.footnote-ref a {
  color: var(--signal);
  text-decoration: none;
}

.footnote-ref a:hover,
.footnote-ref a:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--signal);
}

.footnotes-sep {
  margin: var(--space-14) 0 var(--space-6);
  border: 0;
  border-top: 1px solid var(--border);
}

.footnotes {
  color: var(--text-dim);
  font: 12px/1.55 var(--sans);
}

.footnotes-list {
  margin: 0;
  padding-left: var(--space-9);
}

.footnote-item {
  padding-left: var(--space-1);
}

.footnote-item + .footnote-item {
  margin-top: var(--space-4);
}

.footnote-item p {
  margin: 0;
}

.footnote-backref {
  color: var(--signal);
  text-decoration: none;
}

.sidenote {
  display: none;
}

@media (min-width: 1180px) {
  .article.has-sidenotes .footnotes-sep,
  .article.has-sidenotes .footnotes {
    display: none;
  }

  .article.has-sidenotes .sidenote {
    --sidenote-width: 156px;
    --sidenote-gap: 53px;
    position: relative;
    display: block;
    float: right;
    clear: right;
    width: var(--sidenote-width);
    margin: 0 calc((var(--sidenote-width) + var(--sidenote-gap)) * -1) var(--space-4) var(--space-7);
    padding: var(--space-3) 0 0 var(--space-7);
    border-top: 1px solid var(--border-dim);
    color: var(--text-dim);
    font: clamp(11px, 0.75vw, 13px)/1.45 var(--sans);
  }

  .article.has-sidenotes .sidenote p {
    margin: 0;
  }

  .article.has-sidenotes .sidenote-number {
    position: absolute;
    top: var(--space-3);
    left: 0;
    color: var(--signal);
    font-weight: 700;
    text-decoration: none;
  }

  .article.has-sidenotes .sidenote .footnote-backref {
    display: none;
  }
}

.article p {
  margin: 0 0 var(--space-6);
}

.article code {
  font-size: 14px;
}

.article table code {
  font-size: 1em;
}

.article h2,
.article h3 {
  scroll-margin-top: var(--space-9);
  margin: var(--space-10) 0 var(--space-4);
  font: 700 12px/1.4 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page > .article:first-of-type > h3:first-child {
  margin-top: var(--space-4);
}

.article h4 {
  margin: var(--space-8) 0 var(--space-3);
  color: var(--text);
  font: 700 13px/1.4 var(--sans);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.article h5 {
  margin: var(--space-6) 0 var(--space-2);
  color: var(--text);
  font: 650 13px/1.45 var(--sans);
}

.article ol,
.article ul {
  margin-top: calc(var(--space-5) * -1);
  margin-bottom: var(--space-8);
  padding-left: var(--space-9);
}

.article li + li {
  margin-top: var(--space-2);
}

.article blockquote {
  margin: var(--space-12) 0;
  padding: var(--space-1) 0 var(--space-1) var(--space-8);
  border-left: 1px solid var(--signal);
  color: var(--text-dim);
  font-size: 19px;
  line-height: 1.55;
}

.article .table-scroll {
  width: 100%;
  max-width: 100%;
  margin: var(--space-7) 0 var(--space-9);
  overflow-x: auto;
}

.article table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  color: var(--text-dim);
  font: 12px/1.45 var(--sans);
}

.article th,
.article td {
  min-width: 8rem;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-dim);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.article th {
  color: var(--text);
  font-weight: 650;
}

.article th:first-child,
.article td:first-child {
  padding-left: 0;
}

.article th:last-child,
.article td:last-child {
  padding-right: 0;
}

.bibliography {
  position: relative;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
  scroll-margin-top: var(--space-9);
}

.bibliography summary {
  margin: 0 0 var(--space-5);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.bibliography summary::marker {
  color: var(--signal);
}

.bibliography:not([open]) summary {
  margin-bottom: 0;
}

.biblatex-toggle {
  position: absolute;
  top: var(--space-6);
  right: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text-dim);
  cursor: pointer;
  font: 11px/1.4 var(--sans);
  text-decoration: underline;
}

.biblatex-source-wrap {
  position: relative;
}

.biblatex-copy {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--border-dim);
  background: var(--reading);
  color: var(--text-dim);
  cursor: pointer;
  font: 10px/1.3 var(--sans);
}

.biblatex-source {
  max-height: 520px;
  overflow: auto;
  margin: 0;
  padding: var(--space-8) var(--space-4) var(--space-4);
  border: 1px solid var(--border-dim);
  background: var(--figure-bg);
  color: var(--text-dim);
  font: clamp(10px, 0.7vw, 12px)/1.5 var(--mono);
  white-space: pre;
}

.biblatex-source code {
  font: inherit;
}

.references {
  padding-left: 0;
  margin: 0;
  font-family: var(--sans);
  list-style: none;
}

.references li {
  padding-left: var(--space-1);
  font-size: 12px;
  line-height: 1.55;
}

.references li + li {
  margin-top: var(--space-4);
}

.bibliography-rights {
  display: block;
  margin-top: var(--space-1);
  font-size: 11px;
}

.references li::before {
  content: "";
}

.reference-backlink {
  color: var(--text);
  text-decoration: none;
}

.reference-backlink:hover,
.reference-backlink:focus-visible {
  color: var(--signal);
  text-decoration: underline;
  text-decoration-color: var(--signal);
}

.reference-backlink::after {
  content: " ";
}

.citations {
  white-space: nowrap;
}

.citations a {
  text-decoration: none;
}

.citations a:hover,
.citations a:focus-visible {
  text-decoration: underline;
  text-decoration-color: var(--signal);
}

.essay-footer-note {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-dim);
  color: var(--text-dim);
  font: 11px/1.55 var(--sans);
  max-width: 570px;
}

@media (max-width: 640px) {
  .caption {
    display: block;
  }

  .caption > span {
    display: block;
    margin-bottom: var(--space-1);
  }

  .caption-label {
    margin-bottom: var(--space-2);
  }

  .limiter {
    padding-right: var(--space-8);
    padding-left: var(--space-8);
  }

  .site-header {
    border-bottom: 1px solid var(--border-dim);
  }

}

@media print {
  .caption {
    break-inside: avoid;
  }

  * {
    background: transparent !important;
    color: #000 !important;
  }

  .site-header,
  .reading-rail,
  .theme-toggle {
    display: none !important;
  }

  .limiter {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .page {
    min-height: auto;
    padding: 0;
    border: 0;
  }

  .article {
    font-size: 11pt;
    line-height: 1.5;
  }

  .article.has-sidenotes .sidenote {
    display: none !important;
  }

  .article.has-sidenotes .footnotes-sep,
  .article.has-sidenotes .footnotes {
    display: block !important;
  }

  tr {
    break-inside: avoid;
  }

  h1,
h2,
h3 {
    break-after: avoid;
  }

  a {
    text-decoration: underline;
  }

}

@media (prefers-contrast: more) {
  :root {
    --text-dim: var(--text);
    --border-dim: var(--border);
  }

}