/* Portfolio site. Same palette and type as visuals/visuals.css, so the embedded visuals
   and the pages read as one thing. */

:root {
  --paper: #FBF9F4;
  --panel: #FFFFFF;
  --ink: #1F1D1A;
  --ink-2: #4A4640;
  --ink-3: #6E685F;
  --rule: #DDD7CC;
  --rule-hard: #A9A196;
  --accent: #C2452F;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #161513; --panel: #1E1C1A; --ink: #EDE9E2; --ink-2: #C4BEB4; --ink-3: #9C958A;
    --rule: #34312C; --rule-hard: #57524A; --accent: #E8765F; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #161513; --panel: #1E1C1A; --ink: #EDE9E2; --ink-2: #C4BEB4; --ink-3: #9C958A;
  --rule: #34312C; --rule-hard: #57524A; --accent: #E8765F; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans);
       font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration-color: var(--rule-hard); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.wide { max-width: 1000px; }

header.site { border-bottom: 1px solid var(--rule); }
header.site .wrap { display: flex; justify-content: space-between; align-items: baseline;
                    gap: 16px; padding-top: 18px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { font-weight: 650; text-decoration: none; }
nav.site { display: flex; gap: 18px; font-size: 14px; color: var(--ink-2); }
nav.site a { text-decoration: none; }
nav.site a:hover { text-decoration: underline; }

main { padding: 48px 0 64px; }
.kicker { font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
          color: var(--accent); margin: 0 0 10px; }
h1 { font-size: 34px; line-height: 1.15; font-weight: 650; letter-spacing: -.015em; margin: 0 0 14px; }
h2 { font-size: 22px; line-height: 1.3; font-weight: 650; margin: 44px 0 12px; }
h3 { font-size: 15px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
     color: var(--ink-3); margin: 40px 0 10px; }
p { margin: 0 0 18px; }
.lede { font-size: 19px; color: var(--ink-2); }
.meta { font-size: 14px; color: var(--ink-3); font-style: italic; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 48px 0 8px; }
.sources p { font-size: 15px; color: var(--ink-2); }

figure { margin: 32px 0 36px; }
/* Visuals are drawn at 1000px wide, so on desktop they break out of the 720px text column. */
@media (min-width: 820px) {
  figure { width: min(1000px, calc(100vw - 40px)); position: relative; left: 50%;
           transform: translateX(-50%); }
}
figure img { display: block; width: 100%; height: auto; border: 1px solid var(--rule);
             background: var(--panel); }
figcaption { font-size: 13.5px; color: var(--ink-3); margin-top: 8px; }

/* Home */
.intro { margin-bottom: 44px; }
.cards { display: grid; gap: 18px; }
.card { display: block; text-decoration: none; background: var(--panel); border: 1px solid var(--rule);
        border-top: 3px solid var(--accent); padding: 20px 22px 18px; }
.card:hover { border-color: var(--rule-hard); border-top-color: var(--accent); }
.card .t { font-size: 20px; font-weight: 650; margin: 0 0 6px; }
.card .d { color: var(--ink-2); margin: 0 0 12px; font-size: 16px; }
.card .n { font-family: var(--mono); font-size: 13px; color: var(--ink-3); margin: 0; }
.reach { font-size: 16px; color: var(--ink-2); margin-top: 32px; }
footer.site .contact { margin: 0 0 6px; font-size: 14px; color: var(--ink-2); }
.how { border-left: 3px solid var(--rule-hard); padding-left: 16px; color: var(--ink-2); margin-top: 40px; }

footer.site { border-top: 1px solid var(--rule); font-size: 13.5px; color: var(--ink-3); }
footer.site .wrap { padding-top: 18px; padding-bottom: 32px; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  main { padding: 32px 0 48px; }
  h1 { font-size: 28px; }
  .lede { font-size: 17px; }
}
footer.site .privacy { margin: 8px 0 0; font-size: 12.5px; color: var(--ink-3); }

/* Case-study summary: outcome line, snapshot box, lists, collapsible sources. */
.snapshot { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0;
            border: 1px solid var(--rule); background: var(--panel); margin: 8px 0 36px; }
.snapshot > div { padding: 12px 16px; border-bottom: 1px solid var(--rule); }
.snapshot > div:nth-child(odd) { border-right: 1px solid var(--rule); }
.snapshot > div:nth-last-child(-n+2) { border-bottom: 0; }
.snapshot dt { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
               color: var(--ink-3); margin-bottom: 3px; }
.snapshot dd { margin: 0; font-size: 15px; line-height: 1.5; }
main ul { padding-left: 20px; margin: 0 0 20px; }
main li { margin: 0 0 10px; padding-left: 4px; }
main li::marker { color: var(--accent); }
details.sources { margin-top: 48px; border-top: 1px solid var(--rule); padding-top: 14px; }
details.sources summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--ink-2); }
details.sources summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
details.sources[open] summary { margin-bottom: 14px; }
details.sources p { font-size: 15px; color: var(--ink-2); }
@media (max-width: 560px) {
  .snapshot { grid-template-columns: 1fr; }
  .snapshot > div:nth-child(odd) { border-right: 0; }
  .snapshot > div:nth-last-child(2) { border-bottom: 1px solid var(--rule); }
}