@font-face {
  font-family: "Plex Sans";
  src: url("/fonts/IBMPlexSans-var.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}
@font-face {
  font-family: "Plex Serif";
  src: url("/fonts/IBMPlexSerif-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Plex Serif";
  src: url("/fonts/IBMPlexSerif-400i.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Plex Serif";
  src: url("/fonts/IBMPlexSerif-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #fbfbfe;
  --ink: #070d26;
  --navy: #101b53;
  --teal: #006b74;
  --rule: #dee0e8;
  --muted: #5a6188;
  --wash: #f1f2f8;

  --serif: "Plex Serif", Georgia, "Times New Roman", serif;
  --sans: "Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --measure: 68ch;
  --page: 1040px;
  --gutter: 16px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
  font-kerning: normal;
  font-variant-numeric: oldstyle-nums proportional-nums;
}

a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--teal); }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  padding: 8px 12px;
  background: var(--navy);
  color: #fff;
  font-family: var(--sans);
  font-size: 0.875rem;
}
.skip:focus { top: 8px; }

/* Masthead */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: #fff;
}

.masthead-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
}

.brand img { display: block; height: 32px; width: auto; }



/* Document */

main {
  max-width: var(--page);
  margin: 0 auto;
  padding: 56px var(--gutter) 80px;
}

.doc-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 28px;
  align-items: start;
  padding-bottom: 32px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--rule);
}

.exhibit {
  width: 88px;
  height: 104px;
  background: var(--navy);
  color: #fff;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 4rem;
  line-height: 104px;
  text-align: center;
  border-radius: 2px;
  box-shadow: inset 0 -6px 0 var(--teal);
}

.doc-title { min-width: 0; }

.doc-kind {
  margin: 0 0 6px;
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2rem, 1.4rem + 2.4vw, 2.875rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.doc-meta {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--muted);
  font-variant-numeric: lining-nums tabular-nums;
}

.doc-meta time { color: var(--ink); font-weight: 500; }

.prose { max-width: var(--measure); }
.prose p { margin: 0 0 1.1em; }

h2 {
  margin: 56px 0 16px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--navy);
  max-width: var(--measure);
}

.clauses { margin: 0 0 8px; padding: 0; list-style: none; max-width: var(--measure); }
.clauses li { position: relative; padding-left: 28px; margin-bottom: 0.9em; }
.clauses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 14px;
  height: 2px;
  background: var(--teal);
}

/* Register table */

.register {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  font-variant-numeric: lining-nums;
  margin-top: 8px;
}

.register caption {
  text-align: left;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--muted);
  padding-bottom: 10px;
}

.register th {
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ink);
  padding: 10px 14px;
  background: var(--wash);
  border-top: 2px solid var(--navy);
  border-bottom: 1px solid var(--rule);
}

.register td {
  padding: 14px;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
}

.register td:first-child { font-weight: 600; color: var(--navy); white-space: nowrap; }
.register .col-region { white-space: nowrap; }

.data-yes, .data-no { display: block; font-weight: 600; }
.data-yes { color: var(--teal); }
.data-no { color: var(--muted); }
.data-note { display: block; color: var(--muted); font-size: 0.875rem; margin-top: 2px; }

.changelog { max-width: var(--measure); }
.changelog th:first-child { width: 11em; }
.changelog td:first-child { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }

/* Index */


.hero-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 72px var(--gutter) 40px;
}

.hero h1 {
  margin: 0;
  color: var(--navy);
  font-weight: 400;
  font-size: clamp(3rem, 1.8rem + 5vw, 5.25rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 20px 0 0;
  max-width: 52ch;
  font-family: var(--sans);
  font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.5;
  color: var(--muted);
}


.index-main { padding-top: 16px; }


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

.schedules li { border-bottom: 1px solid var(--rule); }
.schedules li:first-child { border-top: 1px solid var(--rule); }

.schedule-link {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 4px 24px;
  padding: 24px 0;
  text-decoration: none;
  color: var(--ink);
}

.schedule-link .exhibit {
  width: 56px;
  height: 66px;
  font-size: 2.5rem;
  line-height: 66px;
  box-shadow: inset 0 -4px 0 var(--teal);
  grid-row: span 3;
}

.schedule-name { font-family: var(--serif); font-weight: 600; font-size: 1.375rem; color: var(--navy); line-height: 1.3; }
.schedule-link:hover .schedule-name { color: var(--teal); text-decoration: underline; text-underline-offset: 0.18em; }
.schedule-desc { font-size: 1rem; color: var(--ink); }
.schedule-date { font-family: var(--sans); font-size: 0.875rem; color: var(--muted); }

/* Footer */

.colophon {
  border-top: 1px solid var(--rule);
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--muted);
}

.colophon-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 24px var(--gutter) 40px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.colophon a { color: var(--muted); }

/* Small screens: the register becomes labelled rows */

@media (max-width: 760px) {
  main { padding-top: 36px; }

  .doc-head { grid-template-columns: 1fr; gap: 20px; }
  .exhibit { width: 64px; height: 76px; font-size: 2.75rem; line-height: 76px; box-shadow: inset 0 -5px 0 var(--teal); }

  .register thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .register, .register tbody, .register tr, .register td { display: block; width: 100%; }
  .register tr { border-top: 2px solid var(--navy); padding: 8px 0 12px; }
  .register td { border: 0; padding: 6px 0; white-space: normal; }
  .register td:first-child { font-size: 1.0625rem; white-space: normal; }
  .register td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 0.8125rem;
    color: var(--muted);
    font-weight: 400;
  }
  .register .col-region { white-space: normal; }
}

/* Print: the page is often saved as a PDF for a vendor file */

@media print {
  :root { --paper: #fff; }
  body { font-size: 11pt; }
  .masthead, .colophon nav, .skip { display: none; }
  .hero h1, .hero p { color: var(--ink); }
  main { padding: 0; max-width: none; }
  .exhibit { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .register th { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .register tr { break-inside: avoid; }
  h2 { break-after: avoid; }
  a { color: var(--ink); text-decoration: none; }
  .print-url { display: block !important; }
}

.print-url { display: none; font-family: var(--sans); font-size: 9pt; color: var(--muted); margin-top: 6px; }
