/* Editorial palette and reading layout. Report prose remains in the QMD files. */
:root {
  --ink: #203137;
  --navy: #10232d;
  --paper: #f4f2ea;
  --mint: #a5d8cb;
  --rule: #c8d0c9;
  --link: #087b72;
}

body { background: var(--paper); color: var(--ink); }
a { text-underline-offset: 4px; }
.navbar { background: var(--navy) !important; border-bottom: 1px solid #456068; }
.navbar-brand { font-weight: 750; letter-spacing: -.04em; }
.navbar .nav-link { font-size: .86rem; }
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--mint) !important; }
.navbar .dropdown-menu {
  min-width: 15rem;
  padding: .4rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  box-shadow: 0 14px 28px #10232d24;
}
.navbar .dropdown-item {
  color: var(--ink);
  border-radius: 2px;
  font-size: .84rem;
  padding: .55rem .7rem;
}
.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus,
.navbar .dropdown-item.active {
  color: var(--navy);
  background: #d4eee5;
}

/* Article pages use the left column for contents and the right for footnotes. */
#quarto-content { padding-top: 3.5rem; }
main.content { font-family: Georgia, "Times New Roman", serif; font-size: 1.09rem; line-height: 1.77; }
main.content h1, main.content h2, main.content h3, main.content h4 {
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.04em;
  line-height: 1.14;
}
main.content h1 { font-size: clamp(2.8rem, 4.8vw, 4.7rem); margin-bottom: 2.4rem; }
main.content h2 { font-size: clamp(2rem, 3vw, 2.65rem); margin-top: 3.5rem; }
main.content h3 { font-size: 1.65rem; margin-top: 2.5rem; }
main.content p, main.content li { overflow-wrap: break-word; }
main.content p { margin-bottom: 1.35rem; }
main.content a { color: var(--link); text-decoration-color: #8cc0b2; }
main.content blockquote {
  margin: 2rem 0;
  padding: .9rem 1.4rem;
  border-left: 3px solid #5cae9c;
  background: #e4ebe4;
  font-size: 1.08rem;
}
main.content img { max-width: 100%; height: auto; }
main.content table { font-family: system-ui, sans-serif; font-size: .9rem; }

#quarto-sidebar, #quarto-margin-sidebar {
  background: var(--paper) !important;
  color: var(--ink);
  box-shadow: none;
}
#TOC {
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, sans-serif;
  font-size: .78rem;
  line-height: 1.4;
}
#TOC #toc-title {
  color: #647572;
  font: 750 .69rem/1.4 system-ui, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
}
#TOC .nav-link {
  color: #596a66 !important;
  font: 500 .78rem/1.4 system-ui, sans-serif;
  border-left-color: transparent;
}
#TOC .nav-link.active, #TOC .nav-link:hover {
  color: var(--link) !important;
  border-left-color: var(--link) !important;
}
.column-margin, aside.footnotes, .margin-sidebar .footnotes {
  color: #52615f;
  font-family: system-ui, sans-serif;
  font-size: .76rem;
  line-height: 1.55;
}
.column-margin.column-container > [id^="fn"] {
  background: #e7ede6;
  border-left: 2px solid #88b8aa;
  border-radius: 0 2px 2px 0;
  padding: .65rem .8rem .7rem;
  margin-bottom: .8rem;
}
.column-margin.column-container > [id^="fn"]:target {
  border-left-color: var(--link);
  box-shadow: 0 0 0 1px #88b8aa;
}
.column-margin.column-container > [id^="fn"] p { margin: 0; }
.column-margin.column-container > [id^="fn"] sup {
  color: var(--link);
  font-size: .7rem;
  font-weight: 750;
}
.column-margin .is-collapsible:not(.is-expanded) .margin-note-content {
  max-height: 5.8em;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(#000 75%, transparent);
  mask-image: linear-gradient(#000 75%, transparent);
}
.margin-note-toggle {
  display: block;
  padding: 0;
  margin-top: .45rem;
  border: 0;
  background: transparent;
  color: var(--link);
  font: 700 .68rem system-ui, sans-serif;
  text-decoration: underline;
  cursor: pointer;
}
@media (max-width: 767px) {
  .column-margin .is-collapsible .margin-note-content {
    max-height: none;
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .margin-note-toggle { display: none; }
}
aside.footnotes, .margin-sidebar .footnotes { border-top: 1px solid var(--rule); padding-top: .55rem; }
.footnote-ref { color: var(--link); font-family: system-ui, sans-serif; font-size: .7em; font-weight: 700; }
.footnote-back { color: var(--link); }

/* Keep the source lists visually distinct from the article text. */
main.content section[id^="references"] {
  margin: 3.5rem 0 2.5rem;
  padding: 1.5rem 2rem 1.8rem;
  background: #e8ede6;
  border-top: 3px solid #86aea2;
}
main.content section[id^="references"] h2,
main.content section[id^="references"] h3 {
  margin: 0 0 1.4rem;
  font-size: 1.75rem;
}
main.content section[id^="references"] p {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
  text-indent: -1.5rem;
  font: .86rem/1.58 system-ui, sans-serif;
}
main.content section[id^="references"] p:last-child { margin-bottom: 0; }
main.content section[id^="references"] a { overflow-wrap: anywhere; }
@media (max-width: 767px) {
  main.content section[id^="references"] { padding: 1.2rem; }
}

#reading-progress {
  position: fixed;
  z-index: 2000;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* The landing page combines Editorial colours with Minimal's open type layout. */
body:has(.landing) #quarto-content { padding: 0; }
body:has(.landing) #title-block-header { display: none; }
body:has(.landing) main.content { max-width: none; padding: 0; margin: 0; }
body:has(.landing) #quarto-document-content { padding: 0; }
.landing { font-family: system-ui, sans-serif; }
.landing a { text-decoration: none; }
.landing-inner { max-width: 1500px; margin: 0 auto; padding-left: 5.5%; padding-right: 5.5%; }
.landing .eyebrow { font-size: .7rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.landing-hero { background: var(--navy); color: #f5f2e9; padding: 5.2rem 0 0; }
.landing-hero .eyebrow { color: var(--mint); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(250px, .72fr); gap: 6%; align-items: end; padding: 3.7rem 0 5.5rem; }
main.content .landing h1 { color: #f5f2e9; font: 400 clamp(4.7rem, 9vw, 9.5rem)/.91 Georgia, "Times New Roman", serif; letter-spacing: -.075em; margin: 0; }
main.content .landing h1 em { color: var(--mint); font-weight: 400; }
.hero-aside { border-left: 1px solid #69858a; padding: .6rem 0 .2rem 2rem; }
.hero-aside > p:first-child { max-width: 23rem; font-size: clamp(1.2rem, 1.9vw, 1.65rem); line-height: 1.4; margin: 0 0 2rem; }
main.content .landing .hero-link { color: var(--navy); background: #d4eee5; display: inline-flex; gap: 1.5rem; align-items: center; padding: .85rem 1.15rem; font-size: .85rem; font-weight: 750; }
main.content .landing .hero-link:hover { background: #f5f2e9; color: var(--navy); }
main.content .landing .pdf-link {
  display: flex;
  width: fit-content;
  gap: 1rem;
  margin-top: 1.2rem;
  color: #d4eee5;
  font-size: .82rem;
  font-weight: 650;
  text-decoration: underline;
}
main.content .landing .pdf-link:hover { color: #fff; }
.hero-meta { color: #b2c5c4; font-size: .78rem; line-height: 1.6; margin: 2.5rem 0 0; }
.hero-rule { border-top: 1px solid #536a70; display: flex; gap: 2rem; justify-content: space-between; padding: 1.25rem 0; color: #bacbca; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.landing-index { background: #ecebe5; padding: 5.5rem 0 6.5rem; }
.index-head { display: flex; justify-content: space-between; align-items: end; border-bottom: 1px solid #b9c1ba; padding-bottom: 1.3rem; margin-bottom: 1rem; }
.index-head .eyebrow { margin: 0; color: #60857d; }
main.content .landing h2, main.content .landing h3 { color: inherit; font-family: Georgia, "Times New Roman", serif; font-weight: 400; letter-spacing: -.045em; }
.index-head h2 { font-size: clamp(2.5rem, 4vw, 3.7rem); margin: 0; }
.chapter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
main.content .landing .chapter { min-height: 18.5rem; display: flex; flex-direction: column; padding: 1.3rem; color: var(--ink); background: #f8f7f1; border: 1px solid #d8dcd5; transition: transform .2s, background .2s; }
main.content .landing .chapter:hover { color: var(--ink); background: white; transform: translateY(-3px); }
.chapter-number { color: #647b75; font-size: .68rem; font-weight: 750; letter-spacing: .11em; text-transform: uppercase; }
.chapter h3 { font-size: clamp(1.7rem, 2.2vw, 2.5rem); line-height: 1.08; margin: auto 0 .8rem; }
.chapter p { color: #5b6c68; font-size: .81rem; line-height: 1.5; margin: 0; }
.chapter-arrow { align-self: end; font-size: 1.4rem; }
.landing-guide { background: #dfe6de; padding: 6.5rem 0; }
.guide-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 10%; }
.landing-guide .eyebrow { color: #4b756b; }
.landing-guide h2 { font-size: clamp(2.6rem, 4.2vw, 4.3rem); line-height: 1.07; margin: 1rem 0 1.5rem; }
.landing-guide p:not(.eyebrow) { max-width: 43rem; color: #52635e; font-size: 1rem; line-height: 1.65; }
.guide-links { align-self: center; border-top: 1px solid #8aa99c; }
.guide-links a { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid #8aa99c; padding: 1rem 0; color: var(--ink); font: 400 1.3rem Georgia, serif; }
.guide-links a:hover { color: var(--link); }
.guide-links span { font: 700 .9rem system-ui, sans-serif; }

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr .75fr; }
  main.content .landing h1 { font-size: clamp(4.2rem, 9vw, 7rem); }
  .chapter-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  #quarto-content { padding-top: 1.5rem; }
  main.content { font-size: 1rem; }
  main.content h1 { margin-bottom: 1.8rem; }
  .landing-hero { padding-top: 3.3rem; }
  .hero-grid, .guide-grid { display: block; }
  .hero-grid { padding: 2.5rem 0 3.5rem; }
  main.content .landing h1 { font-size: clamp(3.8rem, 13vw, 6rem); }
  .hero-aside { margin-top: 3rem; }
  .hero-rule { flex-wrap: wrap; gap: .7rem 1.3rem; }
  .landing-index, .landing-guide { padding: 4rem 0; }
  .guide-links { margin-top: 3rem; }
}
@media (max-width: 480px) {
  .index-head { display: block; }
  .index-head h2 { margin: .6rem 0 0; }
  .chapter-grid { grid-template-columns: 1fr; }
  .chapter { min-height: 13rem; }
  main.content table { display: block; overflow-x: auto; }
}
@media print {
  .navbar, #TOC, .page-footer, .anchorjs-link { display: none !important; }
  body, main { color: #000; background: #fff; }
  main.content img, main.content table, main.content figure { break-inside: avoid; }
}