:root {
  --bg: #fff;
  --fg: #000;
  --muted: #5c5c5c;
  --line: #000;
  --hair: #d4d4d4;
  --measure: 68rem;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000; --fg: #fff; --muted: #a3a3a3; --line: #fff; --hair: #2e2e2e; }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }

.skip { position: absolute; left: -999px; top: 0; background: var(--fg); color: var(--bg); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 0; }

.top, main, .foot { max-width: var(--measure); margin-inline: auto; padding-inline: 1.25rem; }

.top {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-block: 1.5rem; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .875rem;
}
.wordmark { font-weight: 700; text-decoration: none; letter-spacing: .02em; }
.top nav { display: flex; gap: 1.5rem; }
.top nav a { text-decoration: none; }
.top nav a:hover { text-decoration: underline; }

.intro { padding-block: clamp(3rem, 9vw, 7rem) clamp(2.5rem, 6vw, 5rem); }
.eyebrow, .index, .visit, figcaption, .facts b, .foot {
  font-family: var(--mono); font-size: .8125rem; letter-spacing: .04em; text-transform: uppercase;
}
.eyebrow { margin: 0 0 1.5rem; color: var(--muted); }
h1 {
  margin: 0; font-weight: 700; letter-spacing: -.03em;
  font-size: clamp(2.25rem, 6.5vw, 4.75rem); line-height: 1.04;
}
.lede { max-width: 38rem; margin: 2rem 0 0; font-size: 1.25rem; color: var(--muted); }

.project { border-top: 1px solid var(--line); padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.project-head {
  display: grid; grid-template-columns: 3rem 1fr auto; gap: 1rem; align-items: start;
  margin-bottom: 2rem;
}
.index { color: var(--muted); padding-top: .6rem; }
h2 { margin: 0; font-size: clamp(1.75rem, 4vw, 2.5rem); letter-spacing: -.02em; line-height: 1.1; }
.tag { margin: .5rem 0 0; color: var(--muted); max-width: 36rem; }
.visit {
  border: 1px solid var(--line); padding: .5rem .85rem; text-decoration: none; white-space: nowrap;
}
a.visit:hover { background: var(--fg); color: var(--bg); }
.visit.private { border-style: dashed; color: var(--muted); border-color: var(--muted); }

.shot { margin: 0 0 2rem; }
.shot img { width: 100%; border: 1px solid var(--line); }
figcaption { margin-top: .75rem; color: var(--muted); text-transform: none; letter-spacing: 0; }

.cols {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(1.5rem, 5vw, 4rem);
  margin-bottom: 2.5rem;
}
.cols p { margin: 0; max-width: 40rem; }
.facts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.facts li { padding: .7rem 0; border-bottom: 1px solid var(--hair); font-size: .95rem; }
.facts b { display: block; font-size: .72rem; color: var(--muted); margin-bottom: .1rem; }

.pair { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.5rem; align-items: start; }
.pair .shot { margin: 0; }

.diagram { margin: 0; }
.diagram pre {
  margin: 0; padding: 1.5rem; overflow-x: auto; border: 1px solid var(--line);
  font: .85rem/1.35 var(--mono);
}

.foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding-block: 2rem 3rem; border-top: 1px solid var(--line); color: var(--muted);
}
.foot .links { display: flex; gap: 1.5rem; }

@media (max-width: 760px) {
  .top { flex-direction: column; gap: .75rem; }
  .project-head { grid-template-columns: 1fr; }
  .index { padding: 0; }
  .visit { justify-self: start; }
  .cols, .pair { grid-template-columns: 1fr; }
  .pair { gap: 2rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }