:root {
  --paper: #fbfaf7;
  --ink: #21201c;
  --graphite: #8a8578;
  --red: #b3391f;
  --rule: #d8d2c5;
  --soft: #efebe2;
  --green: #286a43;
  --amber: #9a650f;
  --font-sans: "IBM Plex Sans", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

body {
  margin: 0;
  min-height: 100vh;
  border: 10px solid var(--ink);
}

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

code,
.mono,
.label,
th {
  font-family: var(--font-mono);
}

.skip-link {
  left: 1rem;
  padding: 0.5rem 0.75rem;
  position: absolute;
  top: -4rem;
  z-index: 10;
}

.skip-link:focus {
  background: var(--paper);
  top: 1rem;
}

.site-header,
.title-block {
  align-items: stretch;
  border-bottom: 1px solid var(--ink);
  display: flex;
  justify-content: space-between;
}

.site-header {
  min-height: 64px;
}

.brand,
.site-header nav a {
  align-items: center;
  border-right: 1px solid var(--ink);
  color: var(--ink);
  display: inline-flex;
  min-height: 64px;
  padding: 0 1rem;
  text-decoration: none;
}

.brand {
  font-weight: 700;
  gap: 0.75rem;
}

.brand-mark {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  padding: 0.2rem 0.35rem;
}

.site-header nav {
  display: flex;
}

.site-header nav a {
  border-left: 1px solid var(--ink);
  border-right: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
}

main {
  margin: 0 auto;
  max-width: 1180px;
  padding: 3rem clamp(1rem, 3vw, 2.5rem) 5rem;
}

.hero {
  align-items: end;
  border-bottom: 2px solid var(--ink);
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
}

.hero.compact {
  margin-bottom: 1.5rem;
}

.mono,
.label {
  color: var(--graphite);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  margin: 0 0 0.45rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.8rem, 9vw, 7.4rem);
  letter-spacing: 0;
  line-height: 0.9;
  margin-bottom: 0;
  text-transform: uppercase;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

h3 {
  font-size: 1rem;
  margin: 1.4rem 0 0.6rem;
}

.lede {
  color: var(--graphite);
  font-size: 1.1rem;
  line-height: 1.45;
}

section {
  margin: 2rem 0 3rem;
}

.stat-grid,
.entry-grid,
.split {
  display: grid;
  gap: 1px;
}

.stat-grid {
  background: var(--ink);
  grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
}

.stat-grid > div,
.entry-card,
.contribute,
.mesh-placeholder {
  background: var(--paper);
  border: 1px solid var(--ink);
}

.stat-grid > div {
  min-height: 92px;
  padding: 1rem;
}

.stat-grid strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.2rem;
}

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

.entry-grid {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.entry-card {
  min-height: 170px;
  padding: 1rem;
}

.entry-card h2,
.entry-card h3 {
  color: var(--ink);
  margin-top: 0;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.badges.large {
  align-content: start;
  justify-content: end;
}

.badge {
  border: 1px solid currentColor;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.25rem 0.4rem;
  text-transform: uppercase;
}

.badge.pass {
  color: var(--green);
}

.badge.fail {
  color: var(--red);
}

.badge.report-only {
  color: var(--amber);
}

.badge.not-validated {
  color: var(--graphite);
}

.crumbs {
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 2rem;
}

.crumbs > * + *::before {
  color: var(--graphite);
  content: "/";
  margin: 0 0.5rem;
}

.entry-head {
  align-items: start;
  border-bottom: 2px solid var(--ink);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.2rem 0 0;
}

.meta-line div,
.stacked div {
  border-left: 1px solid var(--rule);
  padding-left: 0.65rem;
}

dt {
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

dd {
  margin: 0;
}

.section-title {
  align-items: baseline;
  border-bottom: 1px solid var(--ink);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-title p {
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.viewer,
.mesh-placeholder {
  aspect-ratio: 16 / 9;
  min-height: 280px;
  overflow: hidden;
  position: relative;
}

.viewer canvas {
  display: block;
  height: 100%;
  width: 100%;
}

.viewer-fallback,
.mesh-placeholder {
  align-items: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.mesh-placeholder strong {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  text-transform: uppercase;
}

.table-wrap {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--rule);
  padding: 0.55rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

thead th {
  border-bottom-color: var(--ink);
  color: var(--graphite);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.fab-object {
  background: white;
  border: 1px solid var(--ink);
  overflow: auto;
  padding: 1rem;
}

.fab-object svg {
  height: auto;
  max-width: 100%;
}

.ruled-list,
.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ruled-list li,
.check-list li {
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.65rem 0;
}

.ruled-list.text li,
.check-list li {
  display: block;
}

.check-list span {
  font-family: var(--font-mono);
}

.check-list small {
  color: var(--graphite);
  display: block;
}

.check-list .bad span {
  color: var(--red);
}

.check-list .ok span {
  color: var(--green);
}

.stacked {
  display: grid;
  gap: 0.8rem;
  margin: 0 0 2rem;
}

.empty {
  color: var(--graphite);
  font-family: var(--font-mono);
}

.contribute {
  padding: 1rem;
}

.title-block {
  border-bottom: 0;
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.title-block > div {
  border-right: 1px solid var(--ink);
  min-height: 72px;
  padding: 0.75rem 1rem;
}

.title-block > div:last-child {
  border-right: 0;
}

@media (max-width: 760px) {
  body {
    border-width: 6px;
  }

  .site-header,
  .hero,
  .entry-head,
  .split,
  .title-block {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: block;
  }

  .site-header nav {
    border-top: 1px solid var(--ink);
  }

  .site-header nav a {
    flex: 1;
    justify-content: center;
  }

  main {
    padding-top: 2rem;
  }

  h1 {
    font-size: 3rem;
  }

  .badges.large {
    justify-content: start;
  }

  .section-title {
    align-items: start;
    display: block;
  }
}