:root {
  --paper: #f3f0e6;
  --paper-deep: #e8e4d8;
  --ink: #171812;
  --muted: #5c5e55;
  --line: #9b9b8f;
  --link: #004f87;
  --link-active: #8b2500;
  --sample: #9b2d12;
  --measure: 68ch;
  --wide: 1120px;
  --gutter: clamp(1.1rem, 4vw, 3rem);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 1.075rem/1.62 Georgia, "Times New Roman", serif; text-rendering: optimizeLegibility; }
a { color: var(--link); text-decoration-thickness: .065em; text-underline-offset: .18em; }
a:hover { color: var(--link-active); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--link-active); outline-offset: .22rem; }
::selection { color: var(--paper); background: var(--link); }
h1, h2, h3, p, dl, dd { margin-top: 0; }
h1, h2, h3 { font-weight: 700; line-height: 1.08; letter-spacing: -.025em; }
h1 { max-width: 15ch; margin-bottom: 1.4rem; font-size: clamp(2.65rem, 6.7vw, 5.5rem); }
h2 { font-size: clamp(1.65rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.25rem; }
p, li, dd { max-width: var(--measure); }
.wrap { width: min(100%, calc(var(--wide) + 2 * var(--gutter))); margin-inline: auto; padding-inline: var(--gutter); }
.path, .record-meta, .record-metrics, .sample-tag, .directory-code, .record-facts, .breadcrumbs, .site-facts dt, .availability, .site-footer, .wordmark, .site-header nav, .note-list time {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
.path { color: var(--muted); font-size: .72rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.skip-link { position: fixed; z-index: 10; top: .75rem; left: .75rem; padding: .7rem 1rem; color: var(--paper); background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { border-bottom: 2px solid var(--ink); font-size: .8rem; }
.header-grid { min-height: 6.4rem; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.wordmark { color: var(--ink); font-weight: 800; letter-spacing: .04em; text-decoration: none; }
.wordmark small { display: block; margin-top: .16rem; font: inherit; font-weight: 500; }
.site-header nav { display: flex; flex-wrap: wrap; gap: clamp(.8rem, 2.5vw, 1.7rem); }
.site-header nav a { min-height: 2.75rem; display: inline-flex; align-items: center; }
.site-header nav a[aria-current="page"] { color: var(--ink); font-weight: 800; text-decoration-thickness: 2px; }

.intro { padding-top: clamp(4.8rem, 10vw, 8.5rem); padding-bottom: clamp(4.5rem, 8vw, 7rem); }
.intro h1 { max-width: 14ch; }
.lede { max-width: 50rem; font-size: clamp(1.18rem, 2vw, 1.55rem); line-height: 1.52; }
.availability { margin: 2rem 0 1.4rem; color: var(--muted); font-size: .78rem; }
.primary-link { display: inline-block; min-height: 2.75rem; padding-block: .55rem; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92rem; font-weight: 700; }

.block { padding-top: clamp(3.8rem, 7vw, 6rem); padding-bottom: clamp(3.8rem, 7vw, 6rem); border-top: 1px solid var(--ink); }
.section-line { display: flex; gap: 2rem; justify-content: space-between; align-items: baseline; margin-bottom: 1.4rem; }
.section-line h2 { margin: 0; }
.section-line > a { font-family: ui-monospace, monospace; font-size: .8rem; }
.sample-notice { margin: 1.4rem 0 1.8rem; padding: .85rem 1rem; border: 1px solid var(--sample); color: #641c0b; background: #f1e3d4; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .76rem; line-height: 1.5; }
.sample-notice strong { margin-right: .45rem; color: var(--sample); }
.sample-tag { display: inline-block; color: var(--sample); font-size: .7rem; font-weight: 800; letter-spacing: .06em; }

.work-index { border-top: 2px solid var(--ink); }
.work-row { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) minmax(12rem, .33fr); gap: clamp(1.4rem, 4vw, 3.5rem); padding: 1.75rem 0 1.9rem; border-bottom: 1px solid var(--line); }
.record-meta { display: flex; flex-direction: column; align-items: flex-start; color: var(--muted); font-size: .7rem; letter-spacing: .035em; line-height: 1.5; text-transform: uppercase; }
.record-meta time { color: var(--ink); }
.record-summary h3 { margin: 0 0 .6rem; font-size: clamp(1.25rem, 2.2vw, 1.62rem); }
.record-summary p { margin: 0; color: #3f413a; font-size: .98rem; }
.record-metrics { margin: 0; font-size: .78rem; font-weight: 800; line-height: 1.7; text-align: right; }

.problem-lines { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(2rem, 7vw, 6rem); padding: 0; border-top: 1px solid var(--line); list-style: none; }
.problem-lines li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.capability-columns { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ink); }
.capability-columns section { padding: 1.6rem 1.6rem 1.6rem 0; border-right: 1px solid var(--line); }
.capability-columns section + section { padding-left: 1.6rem; }
.capability-columns section:last-child { border-right: 0; }
.capability-columns h3 { margin-bottom: 1rem; }
.capability-columns p { margin: 0; color: var(--muted); font-family: ui-monospace, monospace; font-size: .75rem; line-height: 1.7; }
.statement { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) minmax(18rem, .65fr); gap: clamp(1.5rem, 5vw, 4.5rem); align-items: start; background: var(--paper-deep); box-shadow: 0 0 0 100vmax var(--paper-deep); clip-path: inset(0 -100vmax); }
.statement h2 { max-width: 16ch; margin: 0; }
.statement > p:last-child { color: #40423b; }
.note-list { padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.note-list li { max-width: none; display: grid; grid-template-columns: 9rem 1fr; gap: 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.note-list time { color: var(--muted); font-size: .7rem; }
.note-list h2 { display: inline; font-size: 1.35rem; }
.note-list p { margin: .35rem 0 0; color: var(--muted); font-size: .92rem; }
.contact-block { padding-top: clamp(4.5rem, 9vw, 8rem); padding-bottom: clamp(5rem, 10vw, 9rem); border-top: 2px solid var(--ink); }
.contact-block h2 { max-width: 14ch; font-size: clamp(2.6rem, 6vw, 5rem); }

.page-intro { padding-top: clamp(4.5rem, 9vw, 8rem); padding-bottom: clamp(3.4rem, 7vw, 5.5rem); }
.page-intro h1 { margin-top: .75rem; }
.page-intro > p:last-child { max-width: 46rem; font-size: 1.2rem; }
.breadcrumbs { padding-top: 2rem; color: var(--muted); font-size: .72rem; }
.project-record, .note-record { padding-bottom: 6rem; }
.record-header { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: clamp(2rem, 6vw, 6rem); padding: clamp(3rem, 7vw, 6rem) 0 2rem; }
.record-header h1, .note-record h1 { max-width: 16ch; font-size: clamp(2.5rem, 6vw, 5.2rem); }
.lede-small { max-width: 50rem; color: #41433b; font-size: 1.2rem; }
.record-facts { margin: .5rem 0 0; border-top: 2px solid var(--ink); font-size: .72rem; }
.record-facts div { display: grid; grid-template-columns: 6rem 1fr; padding: .7rem 0; border-bottom: 1px solid var(--line); }
.record-facts dt { color: var(--muted); text-transform: uppercase; }
.record-facts dd { margin: 0; }
.record-body { width: min(100%, 780px); margin: clamp(3rem, 8vw, 7rem) auto 0; }
.record-section { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4rem); padding: 2.5rem 0; border-top: 1px solid var(--line); }
.record-section h2 { margin: 0; font: 800 .75rem/1.5 ui-monospace, monospace; letter-spacing: .06em; text-transform: uppercase; }
.record-section h2 span { color: var(--sample); }
.record-section p { margin: 0; }
.record-list, .numbered-list { padding: 0; margin: 0; list-style: none; counter-reset: item; }
.record-list li, .numbered-list li { position: relative; max-width: none; padding: .55rem 0 .55rem 1.6rem; border-top: 1px dotted var(--line); }
.record-list li::before { content: "—"; position: absolute; left: 0; }
.numbered-list li { counter-increment: item; }
.numbered-list li::before { content: counter(item, decimal-leading-zero); position: absolute; left: 0; color: var(--muted); font: .68rem/2.5 ui-monospace, monospace; }
.metric-list { grid-column: 2; padding: 0; margin: 1rem 0 0; border-top: 2px solid var(--ink); list-style: none; }
.metric-list li { max-width: none; padding: .72rem 0; border-bottom: 1px solid var(--line); font: 800 .9rem/1.5 ui-monospace, monospace; }
.not-done { background: var(--paper-deep); box-shadow: 1.5rem 0 0 var(--paper-deep), -1.5rem 0 0 var(--paper-deep); }
.tech-list { color: var(--muted); font-family: ui-monospace, monospace; font-size: .8rem; }
.record-next { max-width: none; margin-top: 5rem; padding-top: 1.4rem; border-top: 2px solid var(--ink); font-family: ui-monospace, monospace; font-size: .78rem; }

.directory { border-top: 2px solid var(--ink); }
.directory > section { display: grid; grid-template-columns: 9rem minmax(0, 1.3fr) minmax(16rem, .7fr); gap: clamp(1.5rem, 5vw, 4.5rem); padding: clamp(3rem, 6vw, 5rem) 0; border-bottom: 1px solid var(--line); }
.directory-code { color: var(--muted); font: 700 .72rem/1.5 ui-monospace, monospace; }
.directory h2 { max-width: 16ch; }
.directory ul { padding: 0; margin: 0; list-style: none; }
.directory li { padding: .5rem 0; border-bottom: 1px dotted var(--line); font-size: .9rem; }
.narrow-block { max-width: 850px; padding-top: 5rem; padding-bottom: 6rem; }
.narrow-block h2 { max-width: 17ch; }
.problem-index { border-top: 2px solid var(--ink); }
.problem-index article { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 7vw, 7rem); padding: 2.2rem 0; border-bottom: 1px solid var(--line); }
.problem-index h2 { margin: 0; font-size: clamp(1.4rem, 2.8vw, 2rem); }
.problem-index p { margin: 0; color: var(--muted); }
.note-index h2 { display: block; margin-top: .3rem; }
.note-record > header { padding: clamp(3rem, 7vw, 6rem) 0 2rem; }
.note-record .sample-notice { margin-bottom: 4rem; }
.prose { width: min(100%, 700px); margin-inline: auto; }
.prose section { padding-top: 2.2rem; border-top: 1px solid var(--line); }
.prose section + section { margin-top: 2rem; }
.prose h2 { font-size: 1.65rem; }
.prose p, .prose li, .prose dd { color: #34362f; }
.about-copy { padding-bottom: 5rem; }
.about-copy dl div { padding: 1rem 0; border-top: 1px solid var(--line); }
.about-copy dt { font-weight: 700; }
.about-copy dd { margin: .25rem 0 0; }
.contact-record { max-width: 850px; padding-bottom: clamp(5rem, 10vw, 9rem); }
.contact-record dl { border-top: 2px solid var(--ink); }
.contact-record dl div { display: grid; grid-template-columns: 8rem 1fr; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.contact-record dt { font: .72rem/1.6 ui-monospace, monospace; text-transform: uppercase; }
.contact-record dd { margin: 0; }
.email-large { margin: clamp(3rem, 7vw, 6rem) 0 1.5rem; font-size: clamp(1.6rem, 5vw, 3.6rem); line-height: 1.1; }
.site-facts { max-width: 850px; padding-bottom: 6rem; }
.site-facts dl { border-top: 2px solid var(--ink); }
.site-facts dl div { display: grid; grid-template-columns: 13rem 1fr; padding: .75rem 0; border-bottom: 1px solid var(--line); }
.site-facts dt { color: var(--muted); font-size: .72rem; }
.site-facts dd { margin: 0; }
.site-facts h2 { margin-top: 4rem; font-size: 1.6rem; }
.missing { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; }

.site-footer { padding: 2.4rem 0; border-top: 2px solid var(--ink); color: var(--muted); font-size: .68rem; line-height: 1.6; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; }
.footer-grid nav { word-spacing: .7rem; }
.footer-grid > div:last-child { text-align: right; }

@media (max-width: 800px) {
  .work-row { grid-template-columns: 7rem minmax(0, 1fr); }
  .record-metrics { grid-column: 2; text-align: left; }
  .statement { grid-template-columns: 7rem 1fr; }
  .statement > p:last-child { grid-column: 2; }
  .record-header { grid-template-columns: 1fr; }
  .record-facts { width: min(100%, 32rem); }
  .directory > section { grid-template-columns: 7rem 1fr; }
  .directory ul { grid-column: 2; }
}

@media (max-width: 620px) {
  body { font-size: 1rem; }
  h1 { font-size: clamp(2.45rem, 12vw, 3.8rem); }
  .header-grid { min-height: auto; grid-template-columns: 1fr; gap: .8rem; padding-top: 1.2rem; padding-bottom: 1rem; }
  .site-header nav { gap: .15rem 1rem; }
  .site-header nav a { min-height: 2.6rem; }
  .intro { padding-top: 4rem; }
  .section-line { display: block; }
  .section-line > a { display: inline-block; margin-top: .7rem; }
  .work-row { grid-template-columns: 1fr; gap: .8rem; padding: 1.6rem 0; }
  .record-meta { display: grid; grid-template-columns: 6rem 5rem 1fr; }
  .record-metrics { grid-column: auto; }
  .problem-lines, .capability-columns, .problem-index article { grid-template-columns: 1fr; }
  .capability-columns section, .capability-columns section + section { padding: 1.4rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .statement { grid-template-columns: 1fr; }
  .statement > p:last-child { grid-column: auto; }
  .note-list li { grid-template-columns: 1fr; gap: .35rem; }
  .record-section { grid-template-columns: 1fr; gap: 1rem; }
  .metric-list { grid-column: auto; }
  .directory > section { grid-template-columns: 1fr; }
  .directory ul { grid-column: auto; }
  .problem-index article { gap: .7rem; }
  .contact-record dl div, .site-facts dl div { grid-template-columns: 1fr; gap: .2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:last-child { text-align: left; }
  .email-large { overflow-wrap: anywhere; }
}

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

@media print {
  .site-header, .site-footer, .skip-link { display: none; }
  body { background: #fff; font-size: 11pt; }
  a { color: #000; }
  .wrap { width: 100%; }
}