@font-face { font-family: "Geist"; src: url("/assets/fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/assets/fonts/geist-mono.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url("/assets/fonts/newsreader.woff2") format("woff2"); font-weight: 200 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Newsreader"; src: url("/assets/fonts/newsreader-italic.woff2") format("woff2"); font-weight: 200 800; font-style: italic; font-display: swap; }
:root {
  --bg: #f6f4f0;
  --panel: #ffffff;
  --text: #1c1917;
  --muted: #5b5750;
  --soft: #46423c;
  --rule: #cfcbc3;
  --accent: #9b2c2c;
  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --panel: #1c1b19;
    --text: #ece8e1;
    --muted: #a8a299;
    --soft: #c4beb4;
    --rule: #3a3733;
    --accent: #e8777a;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 300 .95rem/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--bg); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 0; }
.wrap { --gutter: 2rem; max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }
.label, .meta, .stats span, .panel dt, .facts dt, .toc a, .crumbs, .foot, .brand, .top nav a {
  font: 400 .72rem/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}

/* Header */
.top { border-bottom: 2px solid var(--text); }
.bar { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-top: 1.25rem; padding-bottom: 1.25rem; }
.brand { color: var(--text); text-decoration: none; }
.top nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a:focus-visible { color: var(--accent); }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 3rem; padding: 4.5rem 0 3.5rem; border-bottom: 1px solid var(--rule); }
.hero h1 { font: 300 clamp(2.4rem, 5.4vw, 4.4rem)/1.02 var(--sans); letter-spacing: -.04em; margin: 0 0 1.4rem; }
.hero h1 em { display: block; font: italic 400 1em var(--serif); color: var(--accent); }
.lead { font-size: 1.1rem; color: var(--soft); max-width: 52ch; margin: 0; }
.panel { margin: 0; align-self: start; border: 1px solid var(--text); background: var(--panel); padding: .4rem 1.25rem; }
.panel div { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-top: 1px solid var(--rule); }
.panel div:first-child { border-top: 0; }
.panel dt { color: var(--muted); }
.panel dd { margin: 0; text-align: right; font: 400 .82rem/1.5 var(--mono); letter-spacing: .02em; }

/* Figures */
.stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--rule); }
.stats li { padding: 1.5rem 1.25rem 1.5rem 0; border-right: 1px solid var(--rule); }
.stats li + li { padding-left: 1.25rem; }
.stats li:last-child { border-right: 0; }
.stats b { display: block; font: 300 clamp(1.5rem, 2.6vw, 2rem)/1.1 var(--sans); letter-spacing: -.03em; margin-bottom: .5rem; }
.stats span { color: var(--muted); }

/* Sections */
.block { padding: 3rem 0; border-bottom: 1px solid var(--rule); scroll-margin-top: 1rem; }
.block.last { border-bottom: 0; }
.label { color: var(--accent); margin: 0 0 1.5rem; }
.sec { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 2rem; align-items: baseline; padding: 1.75rem 0; }
.sec + .sec { border-top: 1px solid var(--rule); }
.rail { position: sticky; top: 1.5rem; align-self: start; }
.rail h3 { font: 500 1.05rem/1.3 var(--sans); margin: 0 0 .25rem; }
.rail p { margin: 0; font: 400 .72rem/1.7 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.outcome { font: 300 clamp(1.3rem, 2.2vw, 1.7rem)/1.3 var(--sans); letter-spacing: -.02em; margin: 0 0 1.25rem; max-width: 44ch; }
ul.bullets { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2.5rem; }
ul.bullets li { padding: .9rem 0; border-top: 1px solid var(--rule); color: var(--soft); font-size: .91rem; line-height: 1.56; text-wrap: pretty; }
.more-link { margin: 1rem 0 0; font: 400 .72rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.defs { margin: 0; border-top: 1px solid var(--text); }
.defs div { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 1.5rem; padding: .8rem 0; border-bottom: 1px solid var(--rule); }
.defs dt { font: 400 .72rem/1.7 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.defs dd { margin: 0; color: var(--soft); font-size: .92rem; }
.edu { margin: 0; color: var(--soft); }

/* Case study list */
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--text); }
.row { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr) auto 1.5rem; column-gap: 1.5rem; align-items: baseline;
  padding: 1.5rem 0; border-bottom: 1px solid var(--rule); text-decoration: none; color: inherit; position: relative;
  transition: background-color .25s ease, box-shadow .25s ease; }
.row:hover, .row:focus-visible { background: color-mix(in srgb, var(--text) 4%, transparent); box-shadow: inset 3px 0 var(--accent); }
.row > .idx, .row > div { transition: transform .25s ease; }
.row:hover > .idx, .row:hover > div, .row:focus-visible > .idx, .row:focus-visible > div { transform: translateX(.85rem); }
.idx { font: .75rem var(--mono); letter-spacing: .12em; color: var(--muted); }
.row h3 { font: 400 clamp(1.3rem, 2.2vw, 1.6rem)/1.2 var(--serif); letter-spacing: -.01em; margin: 0; }
.row p { margin: .35rem 0 0; font-size: .92rem; color: var(--soft); max-width: 52ch; }
.fig { font: .85rem var(--mono); color: var(--accent); text-align: right; white-space: nowrap; }
.arrow { color: var(--muted); transition: transform .25s ease, color .25s; }
.row:hover .arrow, .row:focus-visible .arrow { color: var(--accent); transform: translateX(6px); }

/* Case study page */
.cs-head { padding: 2.5rem 0 2.5rem; border-bottom: 1px solid var(--rule); }
.crumbs { display: flex; justify-content: space-between; gap: 1rem; margin: 0 0 2rem; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover, .crumbs a:focus-visible { color: var(--accent); }
.meta { color: var(--accent); margin: 0 0 1rem; }
.cs-head h1 { font: 300 clamp(2rem, 4.4vw, 3.4rem)/1.05 var(--sans); letter-spacing: -.035em; margin: 0 0 1.25rem; max-width: 22ch; }
.short { font: italic 400 clamp(1.1rem, 1.6vw, 1.25rem)/1.5 var(--serif); color: var(--soft); max-width: 60ch; margin: 0; }
.facts { margin: 2rem 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--text); background: var(--panel); }
.facts div { padding: 1rem 1.15rem; border-right: 1px solid var(--rule); }
.facts div:last-child { border-right: 0; }
.facts dt { color: var(--muted); margin-bottom: .35rem; }
.facts dd { margin: 0; font: 300 1.1rem/1.35 var(--sans); letter-spacing: -.01em; }
.toc { position: sticky; top: 1.5rem; align-self: start; display: grid; gap: .35rem; }
.toc a { display: grid; grid-template-columns: 1.75rem minmax(0, 1fr); padding: .15rem 0 .15rem .75rem; border-left: 2px solid var(--rule); color: var(--muted); text-decoration: none; letter-spacing: .06em; text-transform: none; font-size: .74rem; }
.toc a span { color: var(--accent); }
.toc a:hover, .toc a:focus-visible { color: var(--text); border-color: var(--accent); }
.prose { max-width: 66ch; }
.prose h2 { font: 400 .72rem/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin: 2.5rem 0 .9rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); scroll-margin-top: 1rem; }
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose p, .prose li { color: var(--soft); font-size: .95rem; line-height: 1.7; text-wrap: pretty; }
.prose ul { padding-left: 1.25rem; }
.standalone { padding-top: 4rem; padding-bottom: 5rem; }
.standalone h1 { font: 300 clamp(2rem, 4.4vw, 3.4rem)/1.05 var(--sans); letter-spacing: -.035em; margin: 0 0 1.25rem; }

/* Footer */
.foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.5rem; padding-bottom: 3rem; color: var(--muted); background: linear-gradient(var(--rule), var(--rule)) center top / calc(100% - 2 * var(--gutter)) 1px no-repeat; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 0 2.5rem; }
  .sec { grid-template-columns: 1fr; gap: 1rem; }
  .rail, .toc { position: static; }
  .toc { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  ul.bullets { grid-template-columns: 1fr; }
  .stats, .facts { grid-template-columns: 1fr; }
  .stats li, .stats li + li { padding: 1.1rem 0; border-right: 0; border-bottom: 1px solid var(--rule); }
  .stats li:last-child { border-bottom: 0; }
  .facts div { border-right: 0; border-bottom: 1px solid var(--rule); }
  .facts div:last-child { border-bottom: 0; }
  .defs div { grid-template-columns: 1fr; gap: .1rem; }
}
@media (max-width: 700px) {
  .wrap { --gutter: 1rem; }
  .bar { gap: .75rem; }
  .brand, .top nav a { font-size: .66rem; letter-spacing: .06em; white-space: nowrap; }
  .top nav { gap: .85rem; flex-wrap: nowrap; }
  .row { grid-template-columns: 2.5rem minmax(0, 1fr) 1.5rem; column-gap: .75rem; }
  .fig { grid-column: 2; text-align: left; margin-top: .6rem; white-space: normal; }
}
@media print {
  .top nav, .skip { display: none; }
  .rail, .toc { position: static; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .row, .row > .idx, .row > div, .arrow { transition: none; } }