:root {
  color-scheme: light;
  --paper: #f0eee8;
  --paper-raised: #f8f7f3;
  --ink: #171717;
  --muted: #5b5b58;
  --line: #b8b6af;
  --line-strong: #77766f;
  --blue: #173f99;
  --blue-dark: #0d2d74;
  --red: #c94732;
  --sage: #426c50;
  --ochre: #8d6814;
  --focus: #bd3d29;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

img {
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  z-index: 20;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip-path: none;
  padding: .7rem 1rem;
  color: white;
  background: var(--blue-dark);
}

.site-header,
footer,
main {
  width: min(1480px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--blue);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: var(--blue);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  font-weight: 760;
  letter-spacing: -.04em;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.6rem);
  font-size: .92rem;
}

.site-nav a {
  padding: 1.55rem 0 1.35rem;
  border-bottom: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--blue);
  border-color: var(--blue);
}

.eyebrow {
  margin: 0 0 .55rem;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.collection-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 3rem;
  padding: clamp(2.2rem, 6vw, 5.5rem) 0 clamp(2rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line-strong);
}

.collection-intro h1 {
  max-width: 19ch;
  margin: 0;
  font-size: clamp(2.4rem, 6.5vw, 5.8rem);
  line-height: .96;
  letter-spacing: -.065em;
}

.intro-copy {
  max-width: 67ch;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.6;
}

.snapshot-note,
.detail-boundary {
  margin: 0;
  border: 1px solid var(--blue);
  padding: .55rem .75rem;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 720;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.catalog-shell {
  padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.catalog-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.catalog-heading h2,
.about-collection h2,
.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.catalog-heading p:not(.eyebrow) {
  margin: .7rem 0 0;
  color: var(--muted);
}

.count-badge {
  color: var(--blue);
  font-size: 1.05rem;
  font-weight: 760;
  white-space: nowrap;
}

.catalog-tools {
  display: grid;
  grid-template-columns: minmax(17rem, 2.2fr) repeat(3, minmax(9rem, 1fr)) auto;
  gap: 1rem;
  margin: 2rem 0 1.2rem;
  padding: 1rem 0;
  border-block: 1px solid var(--blue);
}

label,
.view-control {
  min-width: 0;
  display: grid;
  gap: .4rem;
  color: var(--blue);
  font-size: .72rem;
  font-weight: 760;
  letter-spacing: .05em;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  padding: .65rem .75rem;
  color: var(--ink);
  background: var(--paper-raised);
}

input::placeholder {
  color: #77766f;
}

.view-control > div {
  display: flex;
}

.view-control button {
  min-width: 64px;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  padding: .55rem .7rem;
  color: var(--ink);
  background: var(--paper-raised);
}

.view-control button + button {
  border-left: 0;
}

.view-control button[aria-pressed="true"] {
  color: white;
  background: var(--blue);
}

.status {
  min-height: 1.5rem;
  margin: 0 0 .7rem;
  color: var(--muted);
  font-size: .88rem;
}

.status[data-error="true"] {
  color: #972916;
  font-weight: 700;
}

.catalog-columns,
.catalog-record {
  display: grid;
  grid-template-columns: 120px minmax(14rem, 1.5fr) minmax(9rem, .7fr)
    minmax(14rem, 1fr) 56px;
  gap: 1.1rem;
  align-items: center;
}

.catalog-columns {
  min-height: 40px;
  border-block: 1px solid var(--line-strong);
  padding: 0 .4rem;
  color: var(--blue);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.catalog-results[data-view="grid"] + .load-more {
  margin-top: 1.5rem;
}

body[data-catalog-view="grid"] .catalog-columns {
  display: none;
}

.catalog-record {
  min-width: 0;
  min-height: 108px;
  border-bottom: 1px solid var(--line);
  padding: .75rem .4rem;
}

.catalog-record:hover {
  background: var(--paper-raised);
}

.record-media {
  width: 112px;
  height: 82px;
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  place-items: center;
  color: var(--muted);
  background: #e5e3dd;
  text-decoration: none;
}

.record-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.record-no-overview {
  padding: .5rem;
  font-size: .68rem;
  line-height: 1.25;
  text-align: center;
}

.record-identity {
  min-width: 0;
}

.record-title {
  color: var(--ink);
  text-decoration-color: transparent;
  text-underline-offset: .18em;
}

.record-title:hover {
  color: var(--blue);
  text-decoration-color: currentColor;
}

.record-title h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.15;
  letter-spacing: -.025em;
}

.record-scientific {
  margin: .32rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: .92rem;
  font-style: italic;
}

.record-summary {
  display: none;
  margin: .65rem 0 0;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.45;
}

.record-preparation {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.4;
}

.record-tags,
.static-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}

.record-tags span,
.static-detail-tags span {
  border: 1px solid #899b85;
  padding: .22rem .45rem;
  color: #2e563a;
  background: #edf0e9;
  font-size: .68rem;
}

.record-tags .record-empty-value {
  border-color: var(--line);
  color: var(--muted);
  background: transparent;
}

.record-open {
  color: var(--blue);
  font-size: .82rem;
  font-weight: 760;
  text-decoration: none;
}

.record-open::after {
  content: " →";
}

.catalog-results[data-view="grid"] {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.catalog-results[data-view="grid"] .catalog-record {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  align-items: stretch;
  gap: .8rem;
  border: 1px solid var(--line);
  padding: .75rem;
  background: var(--paper-raised);
}

.catalog-results[data-view="grid"] .record-media {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
}

.catalog-results[data-view="grid"] .record-title h3 {
  font-size: 1.12rem;
}

.catalog-results[data-view="grid"] .record-summary {
  display: block;
}

.catalog-results[data-view="grid"] .record-preparation::before,
.catalog-results[data-view="grid"] .record-tags::before {
  content: attr(data-label) ": ";
  color: var(--blue);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.catalog-results[data-view="grid"] .record-tags {
  margin-top: auto;
}

.catalog-results[data-view="grid"] .record-open {
  border-top: 1px solid var(--line);
  padding-top: .7rem;
}

.empty-state {
  grid-column: 1 / -1;
  min-height: 12rem;
  display: grid;
  margin: 0;
  border-block: 1px solid var(--line);
  place-items: center;
  color: var(--muted);
}

.load-more {
  display: block;
  margin: 1rem auto 0;
  border: 1px solid var(--blue);
  border-radius: 0;
  padding: .7rem 1rem;
  color: var(--blue);
  background: transparent;
  font-weight: 760;
}

.load-more:hover {
  color: white;
  background: var(--blue);
}

.about-collection {
  display: grid;
  grid-template-columns: minmax(12rem, .55fr) minmax(20rem, 1fr);
  gap: 2rem 4rem;
  border-top: 1px solid var(--blue);
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.about-collection .eyebrow {
  grid-column: 1;
}

.about-collection h2 {
  grid-column: 1;
}

.about-collection > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

footer {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: .78rem;
}

.footer-links {
  display: inline-flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--blue);
}

/* Reading Room */

#readingRoom {
  padding-bottom: 4rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: .8rem;
}

.breadcrumb a {
  color: var(--blue);
}

.reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(19rem, .9fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.reading-media,
.reading-copy {
  min-width: 0;
}

.reading-copy h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  line-height: .95;
  letter-spacing: -.06em;
}

.slide-detail-scientific {
  margin: .7rem 0 1.4rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-style: italic;
}

.slide-detail-description {
  margin: 0 0 1.6rem;
  color: var(--muted);
  line-height: 1.65;
}

.slide-detail-facts {
  display: grid;
  grid-template-columns: minmax(7rem, .7fr) 1fr;
  margin: 0 0 1.4rem;
  border-top: 1px solid var(--line-strong);
}

.slide-detail-facts dt,
.slide-detail-facts dd {
  margin: 0;
  border-bottom: 1px solid var(--line);
  padding: .58rem 0;
  font-size: .82rem;
}

.slide-detail-facts dt {
  color: var(--blue);
  font-weight: 760;
}

.static-detail-tags {
  margin-bottom: 1.5rem;
}

.annotated-overview {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
}

.annotation-image-stage {
  position: relative;
}

.media-status {
  position: absolute;
  z-index: 2;
  top: .65rem;
  left: .65rem;
  margin: 0;
  border: 1px solid var(--blue);
  padding: .3rem .45rem;
  color: var(--blue);
  background: rgba(248, 247, 243, .94);
  font-size: .65rem;
  font-weight: 760;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.annotated-overview-image,
.static-detail-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  background: #deddd7;
}

.annotated-overview-unavailable,
.static-detail-no-overview {
  min-height: 22rem;
  display: grid;
  padding: 2rem;
  place-items: center;
  color: var(--muted);
  text-align: center;
  background: #e5e3dd;
}

.annotation-overlay {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.annotation-crop {
  fill: rgba(201, 71, 50, .07);
  stroke: var(--red);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
  opacity: 0;
  transition: opacity .16s ease;
}

.annotation-crop.is-open {
  opacity: 1;
}

.annotation-pin {
  color: white;
  cursor: pointer;
  pointer-events: auto;
}

.annotation-pin circle {
  fill: var(--red);
  stroke: white;
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.annotation-pin .annotation-pin-hit {
  fill: none;
  stroke: rgba(255, 255, 255, .001);
  stroke-width: 44;
  pointer-events: stroke;
}

.annotation-pin text {
  fill: currentColor;
  font-weight: 800;
  pointer-events: none;
}

.annotation-pin:hover circle:not(.annotation-pin-hit),
.annotation-pin[aria-expanded="true"] circle:not(.annotation-pin-hit) {
  fill: var(--blue);
}

.annotation-pin:focus-visible {
  outline: none;
}

.annotation-pin:focus-visible circle:not(.annotation-pin-hit) {
  stroke: #ffeb72;
  stroke-width: 7;
}

.annotation-popover {
  display: none;
  border-top: 1px solid var(--line-strong);
  padding: 1rem;
  background: var(--paper-raised);
}

.annotation-popover.is-open,
.annotation-popover:target {
  display: block;
}

.annotation-popover-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.annotation-popover-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.annotation-popover-close {
  border: 1px solid var(--line-strong);
  border-radius: 0;
  padding: .4rem .6rem;
  color: var(--blue);
  background: transparent;
}

.annotation-note {
  max-width: 70ch;
  margin: .6rem 0 1rem;
  color: var(--muted);
  line-height: 1.55;
}

.annotation-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
}

.annotation-gallery-item {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.annotation-gallery-item[data-cover="true"] {
  grid-column: 1 / -1;
}

.annotation-gallery-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 16rem;
  object-fit: contain;
  background: #deddd7;
}

.annotation-media-unavailable {
  min-height: 8rem;
  display: grid;
  padding: 1rem;
  place-items: center;
  color: var(--muted);
}

.annotation-media-provenance {
  margin: 0;
  padding: .55rem .65rem;
  color: var(--muted);
  font-size: .7rem;
  line-height: 1.4;
}

.annotation-media-provenance a {
  color: var(--blue);
}

.related-specimens {
  border-top: 1px solid var(--blue);
  padding-top: 2rem;
}

.related-specimens ul {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: .8rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.related-specimens li {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--paper-raised);
}

.related-specimens a {
  height: 100%;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  text-decoration: none;
}

.related-specimens img,
.related-no-overview {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  display: grid;
  object-fit: cover;
  place-items: center;
  color: var(--muted);
  background: #e5e3dd;
  font-size: .7rem;
  text-align: center;
}

.related-copy {
  display: grid;
  gap: .25rem;
  padding: .65rem;
}

.related-copy strong {
  color: var(--blue);
  font-size: .86rem;
}

.related-copy em {
  font-family: Georgia, "Times New Roman", serif;
  font-size: .75rem;
}

/* Legal and error pages */

.legal-page {
  width: min(52rem, calc(100% - 3rem));
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.legal-page h1,
.hero h1 {
  max-width: 15ch;
  margin: 0 0 1.5rem;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: .96;
  letter-spacing: -.06em;
}

.legal-page h2 {
  margin-top: 2.4rem;
  color: var(--blue);
  font-size: 1.2rem;
}

.legal-page p,
.legal-page li,
.hero-copy {
  color: var(--muted);
  line-height: 1.7;
}

.legal-page a {
  color: var(--blue);
}

.hero {
  min-height: calc(100vh - 1px);
  display: grid;
  align-content: center;
  justify-items: start;
}

.primary-cta {
  border: 1px solid var(--blue);
  padding: .7rem 1rem;
  color: var(--blue);
  text-decoration: none;
  font-weight: 760;
}

@media (max-width: 1100px) {
  .catalog-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .search-control {
    grid-column: 1 / -1;
  }

  .catalog-columns,
  .catalog-record {
    grid-template-columns: 104px minmax(12rem, 1.4fr) minmax(8rem, .7fr)
      minmax(10rem, 1fr) 48px;
  }

  .record-media {
    width: 96px;
    height: 72px;
  }

  .catalog-results[data-view="grid"] {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .related-specimens ul {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .site-header,
  footer,
  main {
    width: min(100% - 2rem, 1480px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: .25rem;
    padding-top: .8rem;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: .8rem;
    font-size: .78rem;
  }

  .site-nav a {
    padding: .7rem 0 .8rem;
  }

  .collection-intro,
  .catalog-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.4rem;
  }

  .collection-intro h1 {
    font-size: clamp(2.5rem, 13vw, 4.5rem);
  }

  .snapshot-note {
    white-space: normal;
  }

  .catalog-tools {
    grid-template-columns: 1fr;
  }

  .search-control {
    grid-column: auto;
  }

  .catalog-columns {
    display: none;
  }

  .catalog-record,
  .catalog-results[data-view="grid"] .catalog-record {
    display: grid;
    grid-template-columns: 104px 1fr;
    gap: .75rem 1rem;
    align-items: start;
    border: 1px solid var(--line);
    padding: .75rem;
    background: var(--paper-raised);
  }

  .catalog-results[data-view="list"] {
    display: grid;
    gap: .75rem;
  }

  .record-media,
  .catalog-results[data-view="grid"] .record-media {
    width: 104px;
    height: 82px;
    aspect-ratio: auto;
    grid-row: 1 / span 2;
  }

  .record-summary {
    display: none !important;
  }

  .record-preparation,
  .record-tags,
  .record-open {
    grid-column: 2;
  }

  .catalog-results[data-view="grid"] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-results[data-view="grid"] .record-tags {
    margin-top: 0;
  }

  .about-collection {
    display: block;
  }

  .about-collection h2 {
    margin-bottom: 1.2rem;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 1.5rem 0;
  }

  .reading-layout {
    grid-template-columns: 1fr;
  }

  .reading-media {
    order: 2;
  }

  .reading-copy {
    order: 1;
  }

  .related-specimens ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .catalog-results[data-view="grid"] {
    grid-template-columns: 1fr;
  }

  .catalog-record,
  .catalog-results[data-view="grid"] .catalog-record {
    grid-template-columns: 88px 1fr;
  }

  .record-media,
  .catalog-results[data-view="grid"] .record-media {
    width: 88px;
    height: 72px;
  }

  .annotation-gallery,
  .related-specimens ul {
    grid-template-columns: 1fr;
  }

  .annotation-gallery-item[data-cover="true"] {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}