:root {
  --paper: #f3efe5;
  --ledger: #fffdf7;
  --ink: #171715;
  --graphite: #5c5a54;
  --rule: #b8b1a1;
  --cobalt: #164a9b;
  --orange: #a43f13;
  --yellow: #f2b84b;
  --font-display: "Archivo", Arial, sans-serif;
  --font-body: "Literata", Georgia, serif;
  --font-label: "Azeret Mono", Consolas, monospace;
  --page: min(1180px, calc(100vw - 40px));
  --reading: 68ch;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-xxl: 64px;
  --space-xxxl: 104px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

a:hover {
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

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

::selection {
  background: var(--yellow);
  color: var(--ink);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-md);
  left: var(--space-md);
  padding: 10px 14px;
  transform: translateY(-200%);
  background: var(--ink);
  color: var(--ledger);
  font: 600 0.78rem/1 var(--font-label);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.kicker {
  margin: 0 0 var(--space-md);
  color: var(--graphite);
  font: 600 0.72rem/1.35 var(--font-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-header {
  border-bottom: 1px solid var(--ink);
  background: var(--ledger);
}

.site-header__inner {
  width: var(--page);
  min-height: 96px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 60px;
  height: auto;
}

.brand__type {
  display: grid;
  line-height: 1;
}

.brand__type strong {
  font: 800 1.7rem/0.9 var(--font-display);
  letter-spacing: -0.055em;
}

.brand__type small {
  margin-top: 7px;
  font: 600 0.61rem/1 var(--font-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 28px;
  font: 600 0.75rem/1.3 var(--font-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a {
  padding: 8px 0;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--cobalt);
  border-bottom-color: currentColor;
}

.workbench-hero {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.85fr);
  border-inline: 1px solid var(--ink);
}

.workbench-hero__statement {
  min-width: 0;
  min-height: 660px;
  padding: clamp(64px, 8vw, 118px) clamp(24px, 6vw, 84px) var(--space-xxl);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: var(--ledger);
}

.workbench-hero h1,
.notes-masthead h1,
.error-shell h1 {
  max-width: 850px;
  margin: 0;
  font: 800 clamp(3.2rem, 7.8vw, 7rem)/0.92 var(--font-display);
  letter-spacing: -0.062em;
}

.workbench-hero__intro {
  width: 100%;
  max-width: 42rem;
  margin: var(--space-xl) 0 var(--space-lg);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.text-link {
  color: var(--cobalt);
  font: 600 0.78rem/1.4 var(--font-label);
  letter-spacing: 0.035em;
  text-underline-offset: 0.25em;
}

.workbench-hero__plate {
  position: relative;
  min-height: 660px;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background: var(--cobalt);
  color: var(--ledger);
  border-left: 1px solid var(--ink);
  min-width: 0;
}

.workbench-hero__plate::before,
.workbench-hero__plate::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--ledger);
  border-radius: 50%;
  opacity: 0.75;
}

.workbench-hero__plate::before {
  top: 24px;
  right: 24px;
}

.workbench-hero__plate::after {
  top: 24px;
  left: 24px;
}

.plate-mark {
  position: absolute;
  top: 72px;
  left: -8px;
  color: color-mix(in srgb, var(--ledger) 16%, transparent);
  font: 800 clamp(5rem, 11vw, 10rem)/0.8 var(--font-display);
  letter-spacing: -0.07em;
  white-space: nowrap;
  transform: rotate(-6deg);
}

.workbench-hero__plate > p {
  position: relative;
  max-width: 16em;
  margin: 0 0 var(--space-xl);
  font: 650 clamp(1.45rem, 3vw, 2.2rem)/1.08 var(--font-display);
  letter-spacing: -0.035em;
}

.workbench-hero__plate dl {
  position: relative;
  margin: 0;
  border-top: 1px solid currentColor;
}

.workbench-hero__plate dl div {
  padding: 10px 0;
  display: grid;
  grid-template-columns: 80px 1fr;
  border-bottom: 1px solid color-mix(in srgb, var(--ledger) 48%, transparent);
  font: 500 0.7rem/1.4 var(--font-label);
}

.workbench-hero__plate dt {
  opacity: 0.75;
  text-transform: uppercase;
}

.workbench-hero__plate dd {
  margin: 0;
}

.ledger,
.lab,
.notes-preview,
.status-key,
.notes-shell,
.article-shell,
.error-shell {
  width: var(--page);
  margin-inline: auto;
}

.ledger {
  padding: var(--space-xxxl) 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: var(--space-xxl);
}

.section-heading--compact {
  margin-bottom: var(--space-xl);
}

.section-heading h2 {
  margin: 0;
  font: 750 clamp(2.4rem, 5vw, 4.5rem)/0.98 var(--font-display);
  letter-spacing: -0.05em;
}

.section-heading > p:last-child {
  max-width: 58ch;
  margin: var(--space-lg) 0 0;
  color: var(--graphite);
}

.lead-project {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  background: var(--cobalt);
  color: var(--ledger);
  border: 1px solid var(--ink);
}

.lead-project__copy,
.lead-project__diagram {
  padding: clamp(28px, 5vw, 58px);
}

.lead-project__copy {
  border-right: 1px solid var(--ink);
}

.project-index {
  margin-bottom: var(--space-xl);
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--graphite);
  font: 600 0.7rem/1.4 var(--font-label);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lead-project .project-index {
  color: var(--ledger);
}

.status {
  display: inline-block;
  padding: 5px 8px;
  background: var(--yellow);
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 2px;
  font: 700 0.65rem/1.25 var(--font-label);
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.status--light {
  background: var(--ledger);
}

.lead-project h3,
.project-row h3 {
  margin: var(--space-md) 0;
  font: 750 clamp(2.6rem, 6vw, 5.4rem)/0.9 var(--font-display);
  letter-spacing: -0.06em;
}

.project-row h3 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.project-short {
  margin: 0 0 var(--space-md);
  font: 650 clamp(1.15rem, 2vw, 1.5rem)/1.25 var(--font-display);
  letter-spacing: -0.025em;
}

.lead-project__copy > p:last-of-type,
.project-row__body > p:last-of-type {
  max-width: 58ch;
}

.project-actions {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  padding: 11px 15px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 2px;
  font: 600 0.72rem/1.25 var(--font-label);
  letter-spacing: 0.035em;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

.button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--ink);
  text-decoration: none;
}

.button--primary {
  background: var(--cobalt);
  color: var(--ledger);
}

.button--secondary,
.button--paper {
  background: var(--ledger);
  color: var(--ink);
}

.button--ghost-light {
  color: var(--ledger);
  border-color: var(--ledger);
}

.button--ghost-light:hover {
  background: var(--ledger);
  color: var(--ink);
}

.lead-project__diagram {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--ledger);
  color: var(--ink);
}

.lead-project__diagram ol {
  margin: 0 0 var(--space-xl);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.lead-project__diagram li {
  padding: 14px 0;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  border-bottom: 1px solid var(--rule);
  font: 600 0.8rem/1.4 var(--font-label);
}

.lead-project__diagram li span {
  color: var(--orange);
}

.lead-project__diagram code {
  overflow-wrap: anywhere;
  padding: 12px;
  background: var(--ink);
  color: var(--ledger);
  border-radius: 2px;
  font: 400 0.72rem/1.5 var(--font-label);
}

.project-rows {
  border: 1px solid var(--ink);
  border-top: 0;
}

.project-row {
  min-height: 360px;
  padding: var(--space-xl);
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 150px;
  gap: var(--space-xl);
  background: var(--ledger);
  border-bottom: 1px solid var(--ink);
}

.project-row:last-child {
  border-bottom: 0;
}

.project-row .project-index {
  margin: 0;
  display: block;
}

.project-row .project-index span {
  display: block;
  margin-bottom: 8px;
}

.project-row__body {
  max-width: 720px;
}

.project-row__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  font: 600 0.7rem/1.4 var(--font-label);
}

.project-row__actions a {
  color: var(--cobalt);
  text-underline-offset: 0.25em;
}

.lab {
  padding: var(--space-xxxl) 0;
  border-top: 1px solid var(--ink);
}

.lab-list {
  border-top: 1px solid var(--ink);
}

.lab-row {
  min-height: 94px;
  padding: 18px 0;
  display: grid;
  grid-template-columns: 52px 170px minmax(240px, 1fr) minmax(180px, auto);
  gap: var(--space-lg);
  align-items: center;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}

.lab-row:hover {
  background: var(--ledger);
  box-shadow: 16px 0 0 var(--ledger), -16px 0 0 var(--ledger);
  text-decoration: none;
}

.lab-row__number,
.lab-row__meta {
  color: var(--graphite);
  font: 600 0.66rem/1.45 var(--font-label);
  text-transform: uppercase;
}

.lab-row__name {
  font: 700 1.15rem/1.1 var(--font-display);
  letter-spacing: -0.025em;
}

.lab-row__description {
  font-size: 0.95rem;
  line-height: 1.45;
}

.lab-row__meta {
  text-align: right;
}

.catalogue-note {
  margin: var(--space-lg) 0 0;
  color: var(--graphite);
  font: 500 0.7rem/1.6 var(--font-label);
}

.catalogue-note a {
  color: var(--cobalt);
}

.notes-preview {
  padding: var(--space-xxxl) 0;
}

.note-list,
.all-notes {
  margin-bottom: var(--space-xl);
  border-top: 1px solid var(--ink);
}

.note-row {
  padding: var(--space-lg) 0;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
  border-bottom: 1px solid var(--rule);
}

.note-row__visual {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--cobalt);
  color: var(--ledger);
  border: 1px solid var(--ink);
  border-radius: 2px;
  text-decoration: none;
}

.note-row__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.note-row__visual span {
  font: 700 0.8rem/1.35 var(--font-label);
}

.note-row__copy .kicker {
  margin-bottom: 10px;
}

.note-row__copy h3 {
  margin: 0 0 8px;
  font: 700 clamp(1.35rem, 3vw, 2rem)/1.08 var(--font-display);
  letter-spacing: -0.035em;
}

.note-row__copy h3 a {
  text-decoration: none;
}

.note-row__copy h3 a:hover {
  color: var(--cobalt);
  text-decoration: underline;
}

.note-row__copy > p:last-child {
  max-width: 58ch;
  margin: 0;
  color: var(--graphite);
  font-size: 0.95rem;
  line-height: 1.55;
}

.status-key {
  margin-bottom: var(--space-xxxl);
  padding: var(--space-xl);
  background: var(--ink);
  color: var(--ledger);
}

.status-key .kicker {
  color: var(--yellow);
}

.status-key dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ledger);
}

.status-key dl div {
  padding: 16px 18px 0 0;
}

.status-key dt {
  margin-bottom: 8px;
  color: var(--yellow);
  font: 600 0.68rem/1.4 var(--font-label);
  text-transform: uppercase;
}

.status-key dd {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

.notes-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(48px, 8vw, 120px);
  padding: var(--space-xxxl) 0;
}

.notes-masthead {
  align-self: start;
  position: sticky;
  top: var(--space-xl);
}

.notes-masthead h1 {
  font-size: clamp(3.2rem, 6vw, 5.8rem);
}

.notes-masthead > p:not(.kicker) {
  max-width: 30rem;
  margin: var(--space-xl) 0 var(--space-lg);
}

.all-notes .note-row {
  grid-template-columns: 150px minmax(0, 1fr);
}

.all-notes .note-row:first-child {
  padding-top: 0;
}

.article-shell {
  padding: clamp(64px, 9vw, 128px) 0 var(--space-xxxl);
}

.article-header,
.prose,
.article-nav {
  width: min(var(--reading), calc(100vw - 40px));
  margin-inline: auto;
}

.article-header {
  margin-bottom: var(--space-xxl);
}

.article-header h1 {
  margin: 0;
  font: 750 clamp(2.8rem, 7vw, 5.8rem)/0.96 var(--font-display);
  letter-spacing: -0.055em;
}

.article-header__dek {
  max-width: 56ch;
  margin: var(--space-lg) 0 0;
  color: var(--graphite);
  font-size: 1.15rem;
}

.prose {
  font-size: 1.05rem;
  line-height: 1.78;
}

.prose > * + * {
  margin-top: 1.45em;
}

.prose h2,
.prose h3 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.prose h2 {
  margin-top: 2.3em;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
}

.prose h3 {
  margin-top: 2em;
  font-size: 1.45rem;
}

.prose p,
.prose ul,
.prose ol,
.prose pre,
.prose blockquote {
  margin-bottom: 0;
}

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

.prose img {
  width: auto;
  max-height: 720px;
  margin: var(--space-xl) auto;
  border: 1px solid var(--rule);
  border-radius: 10px;
}

.prose code {
  padding: 0.12em 0.32em;
  background: color-mix(in srgb, var(--cobalt) 9%, var(--ledger));
  border: 1px solid color-mix(in srgb, var(--cobalt) 25%, var(--rule));
  border-radius: 2px;
  font: 0.84em/1.5 var(--font-label);
  overflow-wrap: anywhere;
}

.prose pre {
  overflow-x: auto;
  padding: var(--space-lg);
  background: var(--ink);
  color: var(--ledger);
  border-radius: 2px;
}

.prose pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  border: 0;
  overflow-wrap: normal;
}

.prose blockquote {
  padding: 2px 0 2px var(--space-lg);
  color: var(--graphite);
  border-left: 4px solid var(--orange);
  font-style: italic;
}

.prose hr {
  margin: var(--space-xxl) 0;
  border: 0;
  border-top: 1px solid var(--rule);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.prose th,
.prose td {
  padding: 8px;
  border: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

.prose th {
  font-family: var(--font-label);
  font-size: 0.75rem;
}

.article-nav {
  margin-top: var(--space-xxxl);
  padding-top: var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  border-top: 1px solid var(--ink);
}

.article-nav a {
  display: grid;
  gap: 8px;
  text-decoration: none;
}

.article-nav a:last-child {
  text-align: right;
}

.article-nav span {
  color: var(--graphite);
  font: 600 0.67rem/1.4 var(--font-label);
  text-transform: uppercase;
}

.article-nav strong {
  font: 650 1rem/1.25 var(--font-display);
}

.article-nav a:hover strong {
  color: var(--cobalt);
  text-decoration: underline;
}

.error-shell {
  min-height: 65vh;
  padding: var(--space-xxxl) 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.error-shell h1 {
  max-width: 920px;
}

.error-shell > p:not(.kicker) {
  max-width: 42rem;
  margin: var(--space-xl) 0 0;
}

.site-footer {
  background: var(--ledger);
  border-top: 1px solid var(--ink);
}

.site-footer__inner {
  width: var(--page);
  min-height: 210px;
  margin: 0 auto;
  padding: var(--space-xl) 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-xl);
}

.site-footer p {
  max-width: 35rem;
  margin: 5px 0 0;
  color: var(--graphite);
  font-size: 0.9rem;
}

.site-footer .site-footer__name {
  color: var(--ink);
  font: 700 1.1rem/1.1 var(--font-display);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-lg);
  font: 600 0.68rem/1.4 var(--font-label);
  text-transform: uppercase;
}

.site-footer nav a {
  color: var(--cobalt);
}

@media (max-width: 900px) {
  :root {
    --page: min(calc(100% - 32px), 720px);
    --space-xxxl: 80px;
  }

  .workbench-hero {
    width: 100%;
    grid-template-columns: minmax(0, 1fr);
    border-inline: 0;
    overflow: hidden;
  }

  .workbench-hero__statement,
  .workbench-hero__plate {
    width: auto;
    min-height: auto;
  }

  .workbench-hero__statement > *,
  .workbench-hero__plate > * {
    min-width: 0;
    max-width: 100%;
  }

  .workbench-hero__statement {
    padding: 84px max(16px, calc((100vw - var(--page)) / 2)) 72px;
  }

  .workbench-hero__plate {
    padding: 90px max(16px, calc((100vw - var(--page)) / 2)) 40px;
    border-left: 0;
    border-top: 1px solid var(--ink);
  }

  .plate-mark {
    right: 16px;
    left: auto;
  }

  .lead-project {
    grid-template-columns: 1fr;
  }

  .lead-project__copy {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .project-row {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .project-row__actions {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .lab-row {
    grid-template-columns: 44px 150px 1fr;
  }

  .lab-row__meta {
    grid-column: 2 / -1;
    text-align: left;
  }

  .status-key dl {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .notes-shell {
    grid-template-columns: 1fr;
  }

  .notes-masthead {
    position: static;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .site-header__inner {
    min-height: 122px;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .brand img {
    width: 46px;
  }

  .brand__type strong {
    font-size: 1.4rem;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px 14px;
  }

  .workbench-hero h1,
  .notes-masthead h1,
  .error-shell h1 {
    font-size: clamp(2.8rem, 15vw, 4.7rem);
  }

  .workbench-hero__statement {
    padding-top: 64px;
  }

  .lead-project__copy,
  .lead-project__diagram,
  .project-row,
  .status-key {
    padding: 24px;
  }

  .lead-project h3 {
    font-size: 3rem;
  }

  .project-row {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .project-row .project-index {
    display: flex;
    justify-content: space-between;
  }

  .project-row__actions {
    grid-column: 1;
  }

  .lab-row {
    padding: 20px 0;
    grid-template-columns: 36px 1fr;
    gap: 8px 16px;
  }

  .lab-row__description,
  .lab-row__meta {
    grid-column: 2;
  }

  .note-row,
  .all-notes .note-row {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 16px;
  }

  .note-row__copy > p:last-child {
    display: none;
  }

  .note-row__copy h3 {
    font-size: 1.12rem;
  }

  .status-key dl {
    grid-template-columns: 1fr;
  }

  .article-header h1 {
    font-size: clamp(2.6rem, 13vw, 4.2rem);
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  .article-nav a:last-child {
    text-align: left;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .status,
  .button,
  .note-row__visual {
    forced-color-adjust: none;
  }
}