:root {
  --paper: #fff;
  --ink: #1d1f21;
  --muted: #5d6166;
  --line: #e2e4e6;
  --accent: #33616b;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --width: 1040px;
  --measure: 40rem;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--sans);
  -webkit-text-size-adjust: 100%;
}
h1, h2, h3 { font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; }
a { color: inherit; text-decoration: underline; text-decoration-color: #b4b9be; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--accent); color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }
code { font: 400 .9em var(--mono); }
::selection { background: #d9e6e8; }

.wrap { width: min(calc(100% - 48px), var(--width)); margin-inline: auto; }
.meta { font: 400 .8125rem/1.5 var(--mono); color: var(--muted); margin: 0 0 12px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--paper); padding: 6px 10px; }

/* Header and footer */
.site-header { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.site-name { font-weight: 600; text-decoration: none; }
.nav { display: flex; gap: 24px; font-size: .9375rem; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--ink); }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 28px 40px; border-top: 1px solid var(--line); font-size: .875rem; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }

/* Home */
.intro { padding-block: 72px 80px; border-bottom: 1px solid var(--line); }
.intro h1 { font-size: 2.25rem; margin: 0 0 20px; }
.intro p { max-width: var(--measure); font-size: 1.125rem; }
.links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; font-size: .9375rem; }

.section { padding-block: 88px; border-bottom: 1px solid var(--line); }
.section > h2, .timeline > h2 { font-size: 1rem; margin: 0 0 32px; }
.timeline { padding-bottom: 88px; }

.project { display: grid; grid-template-columns: 180px minmax(0, var(--measure)); gap: 8px 48px; padding-block: 36px; border-top: 1px solid var(--line); }
.project:last-child { padding-bottom: 0; }
.project .meta { margin: 4px 0 0; }
.project h3 { font-size: 1.375rem; margin: 0 0 10px; }
.project h3 a { text-decoration: none; }
.project h3 a:hover { text-decoration: underline; }
.project p:last-child { margin-bottom: 0; }
.project .minor h3 { font-size: 1.125rem; }

.record { list-style: none; margin: 0; padding: 0; }
.record li { display: grid; grid-template-columns: 180px minmax(0, var(--measure)); gap: 4px 48px; padding-block: 20px; border-top: 1px solid var(--line); }
.record .meta { margin: 3px 0 0; }
.record strong { font-weight: 600; }
.record p { margin: 4px 0 0; color: var(--muted); }

/* Case studies and About */
.page-header { padding-block: 56px 64px; border-bottom: 1px solid var(--line); }
.back { display: inline-block; margin-bottom: 40px; font-size: .9375rem; color: var(--muted); text-decoration: none; }
.page-header h1 { font-size: 2.25rem; margin: 0 0 16px; }
.summary { max-width: var(--measure); font-size: 1.125rem; margin: 0; }
.facts { display: flex; flex-wrap: wrap; gap: 20px 48px; margin: 36px 0 0; }
.facts dt { font: 400 .8125rem/1.5 var(--mono); color: var(--muted); }
.facts dd { margin: 2px 0 0; font-size: .9375rem; }

.prose { max-width: var(--measure); padding-block: 72px 88px; }
.prose h2 { font-size: 1.25rem; margin: 56px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.2em; margin: 0 0 1.1em; }
.prose li { margin-bottom: .5em; }
.prose .note { color: var(--muted); font-size: .9375rem; }
.terms { margin: 0 0 1.1em; }
.terms dt { font: 500 .9375rem/1.5 var(--mono); margin-top: 16px; }
.terms dd { margin: 4px 0 0; }

.figure { margin: 56px 0 0; }
.figure img { width: 100%; border: 1px solid var(--line); }
.figure figcaption { max-width: var(--measure); color: var(--muted); font-size: .875rem; margin-top: 12px; }

.next { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline; padding-block: 32px 72px; border-top: 1px solid var(--line); }
.next .meta { margin: 0; }

@media (max-width: 760px) {
  .project, .record li { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap { width: min(calc(100% - 40px), var(--width)); }
  body { font-size: 1rem; }
  .intro { padding-block: 48px 56px; }
  .intro h1, .page-header h1 { font-size: 1.875rem; }
  .intro p, .summary { font-size: 1.0625rem; }
  .section { padding-block: 56px; }
  .timeline { padding-bottom: 56px; }
  .project { padding-block: 28px; }
  .page-header { padding-block: 36px 44px; }
  .back { margin-bottom: 28px; }
  .prose { padding-block: 48px 64px; }
  .prose h2 { margin-top: 44px; }
  .figure { margin-top: 40px; }
  .next { padding-bottom: 56px; }
}