/* A reading-first personal site. System fonts, ordinary links, no animation. */
:root {
  --ink: #242424;
  --muted: #626262;
  --line: #e5e5e2;
  --link: #315b90;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 30px; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--link); outline-offset: 5px; }
::selection { background: #e1eafa; }
.wrap, .shell { max-width: 1120px; margin: 0 auto; padding: 0 48px; }
.skip { position: fixed; left: 16px; top: -70px; padding: 8px 16px; background: #fff; z-index: 5; }
.skip:focus { top: 10px; }
.page-header { min-height: 105px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.name { font-size: 14px; font-weight: 600; color: var(--ink); text-decoration: none; }
.page-header nav { display: flex; flex-wrap: wrap; gap: 12px 27px; font-size: 12px; }
.page-header nav a { color: var(--muted); text-decoration: none; }
.page-header nav a:hover { color: var(--ink); text-decoration: underline; }
.intro { margin: 20px 0 28px 230px; max-width: 720px; }
.intro-label { font-size: 12px; color: var(--muted); margin: 0 0 19px; }
h1 { font-family: Georgia, "Times New Roman", serif; font-size: 49px; line-height: 1.18; font-weight: 400; letter-spacing: -1.3px; margin: 0 0 29px; }
.intro h1 { margin-bottom: 21px; }
.intro > p:not(.intro-label):not(.intro-links) { max-width: 660px; color: #505050; margin: 0 0 15px; font-size: 16px; }
.intro-links { display: flex; gap: 16px; align-items: center; margin: 25px 0 0; font-size: 13px; }
.intro-links span { color: #aaa; }
/* A short first read, with evidence beside the work it actually tests. */
.overview { margin-bottom: 62px; scroll-margin-top: 30px; }
.overview > h2 { font-size: 22px; margin-bottom: 18px; }
.overview-row { display: grid; grid-template-columns: 1.05fr 1fr 1.1fr; gap: 34px; border-top: 1px solid var(--line); padding: 18px 0; }
.overview-row h3 { margin: 0 0 7px; font-size: 16px; line-height: 1.5; }
.overview-row h3 a { color: var(--ink); }
.overview-row p { margin: 0; font-size: 13px; color: #555; line-height: 1.7; }
.overview-row strong { color: var(--ink); }
.overview-label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 5px; }
.overview-link { display: inline-block; margin: 8px 15px 0 0; font-size: 12px; }
.overview-scope { font-size: 11px; color: var(--muted); line-height: 1.75; border-top: 1px solid var(--line); padding-top: 14px; margin: 0; }
.content-layout { display: grid; grid-template-columns: 165px minmax(0, 1fr); gap: 65px; align-items: start; }
.contents { position: sticky; top: 35px; padding-top: 3px; font-size: 12px; line-height: 1.6; }
.contents > p { font-weight: 600; margin: 0 0 17px; }
.contents > a { display: block; margin-bottom: 13px; color: var(--muted); text-decoration: none; }
.contents > a:hover { color: var(--link); text-decoration: underline; }
.aside-note { border-top: 1px solid var(--line); padding-top: 17px; margin-top: 24px; font-size: 11px; line-height: 1.8; color: #797979; }
.project { padding: 0 0 53px; margin-bottom: 48px; border-bottom: 1px solid var(--line); scroll-margin-top: 30px; }
.project-type { color: var(--muted); font-size: 12px; margin: 0 0 9px; }
h2 { font-size: 25px; line-height: 1.4; letter-spacing: -.5px; font-weight: 600; margin: 0 0 13px; }
.tools { font-size: 12px; color: var(--muted); margin: 0 0 27px; line-height: 1.8; }
p { margin: 0 0 18px; }
h3 { font-size: 15px; font-weight: 600; margin: 27px 0 10px; }
ul, ol { margin: 0 0 22px; padding-left: 20px; }
li { margin-bottom: 7px; padding-left: 3px; }
strong { font-weight: 600; }
code { font-family: Consolas, "Liberation Mono", monospace; font-size: .86em; }
.project-result { font-size: 13px; color: var(--muted); margin-top: 26px; }
.project-result strong { color: #404040; }
.project-links { display: flex; flex-wrap: wrap; gap: 7px 22px; font-size: 12px; margin-top: 24px; }
.engineering-note { padding-left: 18px; border-left: 2px solid #ddd; font-size: 14px; color: var(--muted); }
.equation { margin: 24px 0; padding: 15px 17px; overflow-x: auto; background: #f6f6f4; border-left: 2px solid #d1d1cc; line-height: 1.8; font-size: 13px; }
.research { margin-top: 36px; border-top: 1px solid var(--line); padding-top: 18px; }
.research summary { cursor: pointer; font-size: 14px; font-weight: 600; line-height: 1.7; }
.research-body { padding-top: 20px; font-size: 14px; }
figure { margin: 25px 0; }
figure img { display: block; max-width: 100%; width: 100%; height: auto; border: 1px solid var(--line); }
figcaption { margin-top: 8px; font-size: 11px; color: var(--muted); }
.small-note { color: var(--muted); font-size: 12px; line-height: 1.8; }
.research .project-links { margin-top: 15px; }
.about { padding-bottom: 20px; }
.about h2 { margin-bottom: 22px; }
.skills { margin: 27px 0 28px; }
.skills > div { display: grid; grid-template-columns: 140px 1fr; gap: 20px; margin-bottom: 18px; }
.skills dt { font-size: 13px; font-weight: 600; }
.skills dd { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.8; }
.disclosure { font-size: 12px; color: var(--muted); padding-top: 22px; border-top: 1px solid var(--line); }
.about > p:last-child { font-size: 12px; }
.inline-separator { color: #aaa; margin: 0 14px; }
.page-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 65px; padding-top: 24px; padding-bottom: 30px; border-top: 1px solid var(--line); color: #777; font-size: 11px; }

/* The source notes share the same quiet reading layout. */
.source-page { max-width: 850px; padding-top: 55px; padding-bottom: 70px; }
.source-page .back { display: inline-block; margin-bottom: 30px; font-size: 13px; }
.source-page .eyebrow { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.source-page h1 { font-size: 42px; }
.source-page h2 { font-size: 23px; margin: 34px 0 18px; }
.source-page h3 { margin-top: 25px; }
.source-page p, .source-page li { font-size: 14px; color: var(--muted); }
.source-page a { overflow-wrap: anywhere; }
.notice { border-left: 2px solid #ccc; padding-left: 18px; }

/* Public technical notes use the same reading layout, not a separate dashboard. */
.access-note { color: var(--muted); font-size: 12px; margin-top: 19px; line-height: 1.8; }
.intro-links { flex-wrap: wrap; }
.technical-page { max-width: 970px; }
.technical-page h1 { max-width: 760px; }
.technical-page h2, .source-page h2 { scroll-margin-top: 30px; }
.technical-page h3 { scroll-margin-top: 30px; }
.note-nav { display: flex; flex-wrap: wrap; gap: 9px 22px; padding: 16px 0; margin: 24px 0 33px; border-block: 1px solid var(--line); font-size: 12px; }
.note-lede { max-width: 760px; }
.table-scroll { max-width: 100%; overflow-x: auto; margin: 24px 0; }
.technical-page table, .source-page table { width: 100%; border-collapse: collapse; font-size: 12px; line-height: 1.75; text-align: left; }
.technical-page th, .technical-page td, .source-page th, .source-page td { padding: 11px 12px 11px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.technical-page th, .source-page th { font-weight: 600; color: var(--ink); border-top: 1px solid var(--line); }
.technical-page td, .source-page td { color: #555; }
.technical-page caption, .source-page caption { text-align: left; font-size: 12px; color: var(--muted); padding-bottom: 12px; }
.technical-page .equation, .source-page .equation { font-size: 12px; }
.technical-page pre, .source-page pre { max-width: 100%; overflow-x: auto; }
.technical-page code, .source-page code { overflow-wrap: anywhere; }
.technical-page pre code, .source-page pre code { overflow-wrap: normal; }
.technical-page .equation code, .source-page .equation code { font-size: 12px; }
.technical-page .small-note { font-size: 12px; }
.technical-page figure { margin: 30px 0; }
.screen-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.technical-page .screen-gallery figure { margin: 18px 0 8px; min-width: 0; }
.walkthrough li { margin-bottom: 17px; }
.technical-page .architecture-image { background: #fff; }
.note-footer { border-top: 1px solid var(--line); margin-top: 42px; padding-top: 22px; font-size: 12px; }

/* Figures stay at a readable scale; only their own region scrolls on phones. */
.diagram-scroll, .plot-scroll { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); background: #fff; }
.diagram-scroll img { display: block; width: 100%; min-width: 820px; max-width: none; height: auto; border: 0; }
.plot-scroll img { display: block; width: 100%; min-width: 820px; max-width: none; height: auto; border: 0; }
.diagram-scroll:focus-visible, .plot-scroll:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
.contribution-summary { margin: 25px 0 28px; padding-top: 17px; border-top: 1px solid var(--line); }
.contribution-summary > div { display: grid; grid-template-columns: 105px minmax(0, 1fr); gap: 17px; margin-bottom: 12px; }
.contribution-summary dt { font-size: 12px; font-weight: 600; }
.contribution-summary dd { margin: 0; font-size: 13px; line-height: 1.8; color: #555; }
.technical-page .contribution-table td { width: 33.333%; }

@media (max-width: 980px) {
  .wrap, .shell { padding-left: 36px; padding-right: 36px; }
  .intro { margin-left: 195px; }
  .content-layout { grid-template-columns: 150px minmax(0, 1fr); gap: 45px; }
  h1 { font-size: 43px; }
  h2 { font-size: 23px; }
  .page-header nav { gap: 20px; }
}
@media (max-width: 720px) {
  body { font-size: 15px; }
  .wrap, .shell { padding-left: 25px; padding-right: 25px; }
  .page-header { min-height: 0; padding-top: 25px; padding-bottom: 20px; flex-wrap: wrap; gap: 16px; }
  .name { font-size: 13px; }
  .page-header nav { gap: 22px; font-size: 11px; }
  .intro { margin: 28px 0 32px; }
  .intro h1 { font-size: 32px; line-height: 1.2; letter-spacing: -.6px; }
  .overview { margin-bottom: 44px; }
  .overview-row { grid-template-columns: 1fr; gap: 12px; padding: 22px 0; }
  .overview-row h3 { font-size: 18px; }
  .overview-row p { font-size: 14px; }
  .overview-row > div:first-child p { color: var(--muted); font-size: 13px; }
  .overview-row > div:last-child .overview-label { color: var(--ink); }
  h1 { font-size: 41px; line-height: 1.19; letter-spacing: -.9px; }
  .intro > p:not(.intro-label):not(.intro-links) { font-size: 15px; }
  .intro-label { font-size: 11px; }
  .content-layout { display: block; }
  .contents { position: static; display: flex; flex-wrap: wrap; gap: 10px 22px; border-block: 1px solid var(--line); padding: 15px 0; margin-bottom: 43px; font-size: 11px; }
  .contents > p, .contents .aside-note, .contents > a:last-of-type { display: none; }
  .contents > a { margin: 0; }
  .project { padding-bottom: 38px; margin-bottom: 38px; }
  h2 { font-size: 23px; line-height: 1.4; }
  .tools { font-size: 11px; margin-bottom: 23px; }
  .project-links { gap: 8px 20px; }
  .skills > div { grid-template-columns: 1fr; gap: 4px; margin-bottom: 20px; }
  .equation { font-size: 11px; padding-left: 12px; }
  .page-footer { margin-top: 45px; font-size: 10px; }
  .source-page { padding-top: 40px; }
  .source-page h1 { font-size: 36px; }
  .screen-gallery { grid-template-columns: 1fr; gap: 10px; }
  .contribution-summary > div { grid-template-columns: 1fr; gap: 3px; }
  .contribution-table { min-width: 670px; }
}
@media (max-width: 370px) {
  .wrap, .shell { padding-left: 20px; padding-right: 20px; }
  h1 { font-size: 36px; }
  .intro h1 { font-size: 30px; }
  .contents { column-gap: 17px; }
  .page-header nav { gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media print {
  .contents, .page-header nav, .skip { display: none; }
  .content-layout { display: block; }
  .intro { margin: 20px 0 40px; }
  .wrap { max-width: none; padding: 0; }
  .project { break-inside: auto; }
  a { color: var(--ink); }
  .diagram-scroll img, .plot-scroll img { min-width: 0; max-width: 100%; }
}