/* ==========================================================================
   Global Color Meaning Database, Suse ("color" / hue) house stylesheet.

   Emulated, named exemplars:
     - The Met Collection (metmuseum.org/art/collection): the tombstone
       metadata block, the plate-first object record, restrained chrome.
     - Perseus Digital Library (Tufts): dense scholarly apparatus, the
       source-forward right column, sober serif typography.
     - Stanford "Mapping the Republic of Letters" / Harvard DH project spine:
       the About / Methodology / Data / Browse navigation, the calm masthead.

   Sharp editorial build: border-radius 0 everywhere, hairline rules, hard
   ink-on-paper contrast, heavy display type with tight tracking, no soft
   shadows, no blur, no gradients, no glassmorphism, no emoji. Documentary
   photographs are real, free-license, and credited in assets/IMAGE-CREDITS.md.
   House rule: no em dashes anywhere.
   ========================================================================== */

:root {
  --paper:      #ffffff;   /* white ground */
  --paper-deep: #f4f5f7;   /* panel / tombstone ground, cool grey */
  --ink:        #14171c;   /* near-black ink */
  --ink-soft:   #3f4650;   /* secondary text */
  --ink-faint:  #6b7380;   /* metadata labels, captions */
  --rule:       #e2e5ea;   /* hairline rule */
  --rule-dark:  #c5cad3;
  --accent:     #1f3a5f;   /* deep navy, used sparingly for links and rules */
  --accent-2:   #2f5a8a;   /* lighter navy, secondary accent */
  --max:        720px;     /* reading measure */

  --serif-display: "Newsreader", Georgia, "Times New Roman", serif;
  --serif-body:    "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --sans-label:    "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* --- reset / base ------------------------------------------------------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.62;
  font-feature-settings: "onum" 1, "kern" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

h1, h2, h3, h4 { font-family: var(--serif-display); font-weight: 600; line-height: 1.1; color: var(--ink); }
h1 { font-size: 2.7rem; letter-spacing: -0.025em; margin: 0 0 0.2em; }
h2 { font-size: 1.5rem; letter-spacing: -0.015em; margin: 2.2rem 0 0.6rem; }
h3 { font-size: 1.16rem; letter-spacing: -0.01em; margin: 1.6rem 0 0.4rem; }
p { margin: 0 0 1rem; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

.small  { font-size: 0.86rem; }
.faint  { color: var(--ink-faint); }
.label  {
  font-family: var(--sans-label);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 600;
}

/* --- masthead ----------------------------------------------------------- */
.masthead {
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}
.masthead-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.wordmark { display: flex; align-items: center; gap: 0.85rem; text-decoration: none; }
.wordmark svg { display: block; height: 46px; width: auto; }
.wordmark .lockup { line-height: 1; }
.wordmark .title {
  font-family: var(--serif-display);
  font-size: 1.42rem;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.wordmark .sub {
  font-family: var(--sans-label);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 0.28rem;
}
.masthead-meta {
  font-family: var(--sans-label);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
}
nav.primary {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.55rem 2rem;
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
}
nav.primary a {
  font-family: var(--sans-label);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}
nav.primary a:hover, nav.primary a.active { color: var(--accent); text-decoration: none; }
nav.primary a { padding-bottom: 0.2rem; border-bottom: 2px solid transparent; }
nav.primary a.active { border-bottom-color: var(--accent); }

/* --- layout shells ------------------------------------------------------ */
main { max-width: 1080px; margin: 0 auto; padding: 2.4rem 2rem 4rem; }
.reading { max-width: var(--max); }
.reading p, .reading li { font-size: 1.06rem; }

.breadcrumb {
  font-family: var(--sans-label);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.4rem;
}
.breadcrumb a { color: var(--ink-faint); }
.breadcrumb a:hover { color: var(--accent); }

/* two-column object record (Met tombstone left visual, Perseus apparatus) */
.record {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 860px) {
  .record { grid-template-columns: 1fr; gap: 1.6rem; }
}

/* the color plate (stands in for the Met's object plate) */
.plate {
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--rule-dark);
  display: flex;
  align-items: flex-end;
  padding: 0;
  position: relative;
}
.plate .swatch { position: absolute; inset: 0; }
.plate .plate-cap {
  position: relative;
  width: 100%;
  background: var(--paper);
  border-top: 1px solid var(--rule-dark);
  padding: 0.5rem 0.7rem;
  font-family: var(--sans-label);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
}

/* tombstone metadata block (Dublin Core), Met-style */
.tombstone { margin-top: 1.4rem; border-top: 2px solid var(--ink); }
.tombstone dl { margin: 0; }
.tombstone .row {
  display: grid;
  grid-template-columns: 9.5em 1fr;
  gap: 0.6rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.tombstone dt {
  font-family: var(--sans-label);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 0.18rem;
  font-weight: 600;
}
.tombstone dd { margin: 0; font-size: 0.96rem; color: var(--ink-soft); }

/* entry apparatus (right column) */
.entry-head .gloss {
  font-family: var(--serif-display);
  font-size: 1.28rem;
  font-style: italic;
  color: var(--ink-soft);
  margin: 0.1rem 0 1.2rem;
}
.entry-section { margin-bottom: 2rem; max-width: var(--max); }
.section-rule {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  border-bottom: 1px solid var(--rule-dark);
  padding-bottom: 0.3rem;
  margin-bottom: 0.9rem;
}
.section-rule h2 { margin: 0; font-size: 1.18rem; }
.section-rule .label { margin-left: auto; }

/* cross-cultural variation list (Perseus apparatus feel) */
.variation { border-top: 1px solid var(--rule); }
.variation .var-item {
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 11em 1fr;
  gap: 1.2rem;
}
@media (max-width: 640px) { .variation .var-item { grid-template-columns: 1fr; gap: 0.3rem; } }
.variation .place {
  font-family: var(--serif-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--accent);
}
.variation .claim { font-size: 1rem; margin: 0; }
.variation .claim .cites { color: var(--ink-faint); }

/* inline citation chips */
.cite-ref {
  font-family: var(--sans-label);
  font-size: 0.74rem;
  color: var(--accent);
  white-space: nowrap;
}
sup.cite { font-size: 0.7em; line-height: 0; }
sup.cite a { color: var(--accent); }

/* survey slot (illustrative-pending), clearly demarcated */
.survey-slot {
  border: 1px solid var(--rule-dark);
  background: var(--paper-deep);
  padding: 1.1rem 1.2rem;
  margin-top: 0.4rem;
}
.survey-slot .flag {
  display: inline-block;
  font-family: var(--sans-label);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: #1f3a5f;
  background: #eef2f7;
  border: 1px solid #c9d6e8;
  padding: 0.16rem 0.5rem;
  margin-bottom: 0.6rem;
}
.survey-slot p { font-size: 0.95rem; color: var(--ink-soft); margin: 0; }
.survey-slot .placeholder-grid {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
.survey-slot .ph {
  border: 1px dashed var(--rule-dark);
  padding: 0.6rem;
  text-align: center;
  color: var(--ink-faint);
  font-family: var(--sans-label);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}
.survey-slot .ph .n { display: block; font-family: var(--serif-display); font-size: 1.5rem; color: var(--rule-dark); }

/* per-entry source list */
.sourcelist { list-style: none; padding: 0; margin: 0; max-width: var(--max); }
.sourcelist li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.94rem;
  text-indent: -1.4em;
  padding-left: 1.4em;
}
.sourcelist .kind {
  font-family: var(--sans-label);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--rule-dark);
  padding: 0.04rem 0.35rem;
  margin-left: 0.4rem;
  white-space: nowrap;
}

/* --- browse / catalog grid (Met plate grid, restrained) ----------------- */
.intro-lede {
  font-family: var(--serif-display);
  font-size: 1.34rem;
  line-height: 1.42;
  color: var(--ink-soft);
  max-width: 33em;
  margin: 0.4rem 0 2rem;
}
.facets {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0.7rem 0;
  margin-bottom: 1.6rem;
}
.facets .label { margin-right: 0.4rem; }
.facet-btn {
  font-family: var(--sans-label);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule-dark);
  padding: 0.28rem 0.7rem;
  cursor: pointer;
}
.facet-btn:hover { border-color: var(--accent); color: var(--accent); }
.facet-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
#search {
  font-family: var(--serif-body);
  font-size: 0.92rem;
  padding: 0.32rem 0.6rem;
  border: 1px solid var(--rule-dark);
  background: var(--paper);
  color: var(--ink);
  min-width: 200px;
  margin-left: auto;
}
#search:focus { outline: 2px solid var(--accent); outline-offset: 0; }

.catalog {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (max-width: 820px) { .catalog { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .catalog { grid-template-columns: 1fr; } }
.cat-item {
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
}
.cat-item:hover { text-decoration: none; }
.cat-item .cat-swatch { height: 168px; position: relative; }
.cat-item .cat-swatch .id {
  position: absolute;
  left: 0; bottom: 0;
  font-family: var(--sans-label);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--ink);
  padding: 0.18rem 0.5rem;
}
.cat-item .cat-body { padding: 0.8rem 0.9rem 1rem; }
.cat-item .cat-name { font-family: var(--serif-display); font-size: 1.3rem; }
.cat-item .cat-gloss { font-size: 0.86rem; color: var(--ink-faint); margin-top: 0.15rem; line-height: 1.4; }
.cat-item:hover .cat-name { color: var(--accent); }
.no-results { padding: 2rem 0; color: var(--ink-faint); font-style: italic; }

/* --- bibliography ------------------------------------------------------- */
.biblio { list-style: none; padding: 0; max-width: var(--max); margin: 0; counter-reset: ref; }
.biblio li {
  padding: 0.95rem 0 0.95rem 2.2em;
  border-bottom: 1px solid var(--rule);
  text-indent: -2.2em;
  font-size: 0.98rem;
}
.biblio li .cite-num {
  font-family: var(--sans-label);
  font-size: 0.7rem;
  color: var(--ink-faint);
  display: inline-block;
  width: 1.8em;
  text-indent: 0;
}
.biblio .src-note { display: block; text-indent: 0; color: var(--ink-faint); font-size: 0.86rem; margin-top: 0.25rem; }
.biblio .src-link { word-break: break-word; }

/* --- AI-can / you-must-do split table ----------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--rule-dark); }
@media (max-width: 700px) { .split { grid-template-columns: 1fr; } }
.split .col { padding: 1.1rem 1.2rem; }
.split .col + .col { border-left: 1px solid var(--rule-dark); }
@media (max-width: 700px) { .split .col + .col { border-left: 0; border-top: 1px solid var(--rule-dark); } }
.split h3 { margin-top: 0; }
.split ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.split li { font-size: 0.94rem; margin-bottom: 0.4rem; }
.split .col.must { background: var(--paper-deep); }

/* --- triad / about callouts -------------------------------------------- */
.triad { border-top: 1px solid var(--rule); margin-top: 1.5rem; }
.triad .t-item { padding: 0.9rem 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 8em 1fr; gap: 1rem; }
@media (max-width: 600px) { .triad .t-item { grid-template-columns: 1fr; gap: 0.2rem; } }
.triad .t-key { font-family: var(--sans-label); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-weight: 600; padding-top: 0.15rem; }
.triad .t-val { font-size: 0.98rem; }

.callout {
  border-left: 3px solid var(--accent);
  background: var(--paper-deep);
  padding: 0.9rem 1.1rem;
  margin: 1.4rem 0;
  font-size: 0.96rem;
}
.callout .label { display: block; margin-bottom: 0.3rem; }

/* --- footer ------------------------------------------------------------- */
footer {
  border-top: 2px solid var(--ink);
  margin-top: 3rem;
  background: var(--paper);
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.8rem 2rem 2.6rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.footer-inner a { color: var(--ink-soft); }
.footer-inner .col { max-width: 30em; }
.footer-inner .col p { margin: 0 0 0.4rem; }
.footer-inner .fstamp { font-family: var(--sans-label); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* --- subtle load reveal ------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: fadeup 0.5s ease both; }
  .reveal:nth-child(2) { animation-delay: 0.04s; }
  .reveal:nth-child(3) { animation-delay: 0.08s; }
  @keyframes fadeup { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
}

/* --- documentary photographs (sharp, hard-edged, captioned) ------------- */
figure.hero-plate,
figure.photo-plate { margin: 0; border: 1px solid var(--ink); background: var(--paper); }
figure.hero-plate { margin: 1.8rem 0 2.4rem; }
figure.hero-plate img {
  display: block;
  width: 100%;
  height: clamp(220px, 38vw, 460px);
  object-fit: cover;
  border-bottom: 1px solid var(--ink);
}
figure.photo-plate { margin-top: 1.4rem; }
figure.photo-plate img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--rule-dark);
}
figure.photo-plate.wide { margin: 1.8rem 0; max-width: var(--max); }
figure.photo-plate.wide img { aspect-ratio: 16 / 9; object-fit: cover; }
figure.hero-plate figcaption,
figure.photo-plate figcaption {
  font-family: var(--sans-label);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 0.45rem 0.6rem;
}

/* --- cite block (per record) and copy button (square, hard) ------------- */
.cite-this { max-width: var(--max); }
.cite-card {
  border: 1px solid var(--ink);
  background: var(--paper-deep);
  padding: 1rem 1.1rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.6rem 0 0.7rem;
}
.cite-string {
  margin: 0;
  font-family: var(--serif-body);
  font-size: 0.95rem;
  line-height: 1.5;
  flex: 1 1 60%;
  min-width: 16em;
}
.copy-btn {
  font-family: var(--sans-label);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  align-self: flex-start;
}
.copy-btn:hover { background: var(--accent); border-color: var(--accent); }
.copy-btn.copied { background: var(--accent); border-color: var(--accent); }
.cite-this code { font-family: var(--sans-label); font-size: 0.82em; background: var(--paper-deep); padding: 0.04em 0.3em; border: 1px solid var(--rule-dark); }

/* citation-guide reuses the same card */
.cite-card .cite-string + .copy-btn { margin-top: 0; }

/* --- numbered editorial process (contribute) ---------------------------- */
ol.process { max-width: var(--max); margin: 1rem 0 1.5rem; padding-left: 1.4em; }
ol.process li { margin-bottom: 0.7rem; font-size: 1.02rem; }

/* --- build-on banner section (home) ------------------------------------- */
.build-on { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule-dark); padding: 1.2rem 0 1rem; margin: 2.2rem 0; }

/* data tables (methodology) */
table.data { border-collapse: collapse; width: 100%; max-width: var(--max); font-size: 0.92rem; margin: 1rem 0 1.5rem; }
table.data caption { text-align: left; font-family: var(--sans-label); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); padding-bottom: 0.5rem; }
table.data th, table.data td { text-align: left; padding: 0.5rem 0.7rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.data thead th { border-bottom: 1.5px solid var(--ink); font-family: var(--sans-label); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }

/* --- contribution form (Netlify Forms) --------------------------------- */
.contact-form { max-width: var(--max); margin: 1rem 0 1.5rem; }
.contact-form label { display: block; margin: 0.7rem 0; font-size: 0.9rem; color: var(--ink-soft); }
.contact-form input, .contact-form select, .contact-form textarea {
  display: block; width: 100%; margin-top: 0.3rem; padding: 0.55rem 0.6rem;
  border: 1px solid var(--rule-dark); border-radius: 0; background: #fff;
  font: inherit; font-size: 0.95rem; color: var(--ink);
}
.contact-form textarea { min-height: 9rem; resize: vertical; }
.contact-form .hp { display: none; }
.contact-form button { margin-top: 0.4rem; }