/* Shared experience articles and technical figures. Portfolio tokens come from styles.css. */
.experience-article {
    --article-accent: var(--color-accent);
    --article-muted: var(--color-muted);
    --article-line: var(--color-line);
    --article-surface: var(--color-accent-soft);
    --article-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
    background: var(--color-paper);
    animation: none;
    line-height: 1.65;
}
.experience-article::before { display: none; }
.experience-article section { animation: none; }
.experience-article *, .experience-article *::before, .experience-article *::after { box-sizing: border-box; }
.experience-article a { background: none; border-bottom: none; text-decoration: none; transition: color 150ms ease; }
.experience-article h3 { display: block; transition: none; }
.experience-article h3:hover { transform: none; }
.experience-article h3::before { display: none; }
.experience-article a::after { display: none; }
.experience-article a:hover { color: var(--article-accent); text-shadow: none; transform: none; }
.experience-article :focus-visible { outline: 2px solid var(--article-accent); outline-offset: 5px; }
.experience-article [hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 20; top: -100px; left: 8px; padding: 10px 18px; background: var(--color-paper) !important; border: 1px solid; clip-path: inset(50%); }
.skip-link:focus { top: 8px; clip-path: none; }
.article-masthead { max-width: 1184px; margin: 0 auto; padding: 30px 32px 26px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--article-line); }
.author-link { font-size: 22px; font-weight: 700; line-height: 1.3; }
.author-link span { display: block; margin-top: 5px; font-family: var(--font-mono); font-size: 10px; font-weight: 400; letter-spacing: 0.06em; color: var(--article-muted); }
.back-link { font-family: var(--article-sans); font-size: 12px; }
.back-link span { padding-right: 8px; color: var(--article-accent); }
.article-layout { display: grid; grid-template-columns: 190px minmax(0, 800px); gap: 64px; max-width: 1184px; margin: 0 auto; padding: 60px 32px 0; }
.article-sidebar { align-self: start; position: sticky; top: 36px; font-family: var(--article-sans); }
.small-label, .section-number, .eyebrow { font-family: var(--font-mono); font-size: 10px; line-height: 1.5; letter-spacing: 0.075em; text-transform: uppercase; }
.article-sidebar .small-label { margin: 0 0 22px; color: var(--article-muted); }
.article-sidebar ol { list-style: none; padding: 0; margin: 0; }
.article-sidebar li { margin-bottom: 4px; padding: 0; }
.article-sidebar li a { display: grid; grid-template-columns: 22px 1fr; align-items: baseline; gap: 5px; padding: 9px 0; font-size: 12px; line-height: 1.5; color: var(--article-muted); }
.article-sidebar li a span { font-family: var(--font-mono); font-size: 9px; color: #777d72; }
.article-sidebar li a[aria-current="location"] { color: var(--article-accent); font-weight: 600; }
.sources-link { display: inline-block; font-size: 11px; margin-top: 22px; padding-bottom: 3px; border-bottom: 1px solid var(--article-line); }
.sidebar-note { font-family: var(--font-mono); font-size: 10px; line-height: 1.9; color: var(--article-muted); margin: 36px 0 0; padding-top: 24px; border-top: 1px solid var(--article-line); }
.article-layout main { min-width: 0; }
.article-layout main:focus { outline: none; }
.article-hero { padding-bottom: 32px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 21px; color: var(--article-accent); }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--article-accent); flex-shrink: 0; }
.article-hero h1 { margin: 0 0 22px; max-width: 760px; font-size: clamp(40px, 4.5vw, 60px); line-height: 1.04; letter-spacing: -0.045em; font-weight: 400; text-wrap: balance; }
.article-deck { max-width: 660px; font-size: 23px; line-height: 1.45; color: #575d56; margin: 0 0 32px; }
.article-meta { display: grid; grid-template-columns: 1fr 1.35fr 1.2fr; gap: 16px; border-top: 1px solid var(--article-line); padding-top: 20px; margin: 0; }
.article-meta dt { font-family: var(--font-mono); font-size: 9px; text-transform: uppercase; letter-spacing: 0.075em; color: var(--article-muted); margin-bottom: 5px; }
.article-meta dd { font-family: var(--article-sans); font-size: 11px; margin: 0; }
.article-abstract { border-top: 2px solid var(--article-accent); border-bottom: 1px solid var(--article-line); padding: 24px 0 26px; }
.article-abstract > .small-label { margin: 0 0 12px; color: var(--article-accent); }
.article-abstract > p:not(.small-label) { font-size: 20px; line-height: 1.6; margin: 0 0 23px; }
.work-tracks { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.work-tracks > div { position: relative; padding-left: 30px; }
.track-number { position: absolute; left: 0; top: 2px; color: var(--article-accent); font-family: var(--font-mono); font-size: 12px; }
.work-tracks h2 { font-family: var(--article-sans); font-size: 12px; line-height: 1.5; margin: 0 0 7px; }
.work-tracks p { font-family: var(--article-sans); font-size: 12px; line-height: 1.7; color: var(--article-muted); margin: 0; }
.article-section { margin: 0; padding-top: 58px; scroll-margin-top: 32px; }
.section-number { margin: 0 0 10px; color: var(--article-accent); }
.article-section > h2 { margin: 0 0 20px; font-size: 34px; line-height: 1.15; font-weight: 400; letter-spacing: -0.025em; text-wrap: balance; }
.article-section > h3 { font-size: 25px; line-height: 1.3; font-weight: 400; margin: 32px 0 14px; }
.article-section > p:not(.section-number), .article-section > ul, .article-section > ol { font-size: 19px; line-height: 1.7; margin: 0 0 19px; }
.experience-article code { font-family: var(--font-mono); font-size: 0.7em; background: #e9ebe3; border-radius: 2px; padding: 2px 4px; overflow-wrap: anywhere; }
.citation { font-family: var(--font-mono); font-size: 11px; color: var(--article-accent); white-space: nowrap; }
.experience-article .citation:hover { text-decoration: underline; }
.technical-figure { margin: 32px 0; padding: 0; border: 1px solid #cfd8d0; background: #fff; border-radius: 6px; overflow: hidden; }
.figure-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 26px; border-bottom: 1px solid #e4e9e3; color: var(--article-muted); }
.figure-heading .small-label { display: block; font-size: 10px; letter-spacing: 0.06em; margin-bottom: 7px; color: #5d7365; }
.figure-heading h3 { font-family: var(--article-sans); font-size: 17px; line-height: 1.35; font-weight: 600; color: #20332f; margin: 0; }
.diagram-open { display: inline-flex; align-items: center; gap: 7px; flex-shrink: 0; font-family: var(--article-sans); font-size: 11px; color: #4e6a59; padding: 7px 0 7px 8px; }
.diagram-open span { font-size: 16px; }
.architecture-art, .architecture-art img { display: block; width: 100%; height: auto; }
.technical-figure figcaption, .internship-photos figcaption { font-family: var(--article-sans); font-size: 11px; line-height: 1.75; color: var(--article-muted); margin-top: 20px; }
.technical-figure figcaption { margin: 0; border-top: 1px solid #e4e9e3; background: #fafbf8; padding: 18px 26px; font-size: 12px; line-height: 1.75; }
.table-scroll { max-width: 100%; overflow-x: auto; margin: 24px 0; }
.experience-article table { width: 100%; border-collapse: collapse; font-family: var(--article-sans); font-size: 12px; line-height: 1.6; }
.experience-article caption { text-align: left; font-family: var(--font-mono); font-size: 9px; line-height: 1.6; margin-bottom: 13px; color: var(--article-muted); }
.experience-article th { text-align: left; font-weight: 600; }
.experience-article th, .experience-article td { border-bottom: 1px solid var(--article-line); padding: 14px 12px; vertical-align: top; }
.experience-article thead th { font-size: 10px; font-weight: 400; color: var(--article-muted); border-top: 1px solid var(--article-line); }
.contract-table { min-width: 440px; }
.contract-table th:first-child { padding-left: 0; }
.contract-table td { width: 41%; }
.contract-table td span { display: block; color: var(--article-muted); font-size: 10px; margin-top: 6px; }
.contract-table code { font-size: 10px; }
.article-callout { padding: 18px 22px; margin: 26px 0 0; background: var(--article-surface); border-left: 2px solid #66826a; }
.article-callout .small-label { margin: 0 0 8px; color: var(--article-accent); font-size: 9px; }
.article-callout p:last-child { font-size: 18px; line-height: 1.6; margin: 0; }
.guardrail-demo { background: #f5f8f3; border: 1px solid #d8e1d5; border-radius: 5px; padding: 20px; margin: 0 26px 26px; }
.demo-heading { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px 20px; font-family: var(--article-sans); }
.demo-heading label { font-weight: 600; font-size: 13px; }
.demo-heading > span { color: var(--article-muted); font-size: 11px; }
.slider-row { display: grid; align-items: center; grid-template-columns: 65px 1fr 50px; gap: 12px; margin: 18px 0; font-family: var(--font-mono); font-size: 10px; }
.slider-row input { width: 100%; min-width: 0; margin: 0; accent-color: var(--article-accent); cursor: pointer; }
.slider-row output { text-align: right; }
.demo-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; border-top: 1px solid var(--article-line); padding-top: 15px; }
.demo-values p { font-family: var(--article-sans); font-size: 10px; margin: 0; color: var(--article-muted); }
.demo-values strong { display: block; color: var(--article-accent); font-family: var(--font-mono); font-size: 24px; font-weight: 400; margin-top: 6px; }
#guardrail-explanation { font-family: var(--article-sans); font-size: 10px; line-height: 1.65; color: var(--article-muted); margin: 14px 0 0; }
.engineering-list { padding-left: 20px; }
.engineering-list li { margin: 0 0 11px; padding-left: 4px; }
.article-section > .implementation-note { font-family: var(--article-sans); font-size: 11px; line-height: 1.8; color: var(--article-muted); }
.method-steps { padding-left: 23px; }
.method-steps li { padding-left: 7px; margin-bottom: 13px; }
.method-steps li::marker { font-family: var(--font-mono); font-size: 12px; color: var(--article-accent); }
.metric-definitions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 25px 0; }
.metric-definitions > div { border-top: 1px solid var(--article-line); border-bottom: 1px solid var(--article-line); padding: 16px 0; }
.metric-definitions .small-label { display: block; font-size: 9px; margin-bottom: 9px; color: var(--article-muted); }
.metric-definitions code { font-size: 12px; background: transparent; padding: 0; }
.metric-definitions p { font-family: var(--article-sans); font-size: 10px; margin: 8px 0 0; color: var(--article-muted); }
.results-controls { display: flex; gap: 16px; margin: 24px 26px; }
#results-panels { margin: 0 26px; }
.results-controls label { flex: 1; font-family: var(--article-sans); font-size: 11px; color: var(--article-muted); }
.results-controls select { display: block; width: 100%; margin-top: 6px; border: 1px solid #bcc8b8; border-radius: 3px; padding: 10px 30px 10px 10px; color: var(--color-ink); background: var(--color-paper); font-family: var(--article-sans); font-size: 12px; cursor: pointer; }
.result-panel h4 { font-family: var(--article-sans); font-size: 14px; margin: 0 0 15px; }
.result-panel .table-scroll { margin: 0; }
.results-table { min-width: 375px; table-layout: fixed; }
.results-table th:first-child { width: 28%; }
.experience-article .results-table thead th:not(:first-child), .experience-article .results-table td { text-align: center; }
.experience-article .results-table td { font-family: var(--font-mono); font-size: 14px; border: 4px solid #fff; padding: 16px 6px; }
.experience-article .results-table th { font-size: 11px; border-bottom: none; }
.experience-article .results-table thead th { border-top: none; font-size: 10px; padding: 5px 6px 11px; }
.results-table .focus-row th { color: var(--article-accent); }
.improved { background: #dfebd8; color: #315237; }
.strong-improvement { background: #c5debb; color: #23472b; }
.regressed { background: #f3dfd4; color: #713f2c; }
.strong-regression { background: #e9bdae; color: #61291d; }
.near-flat { background: #eeeee7; color: #555b52; }
.eta-up { background: #f0e4c6; color: #6c5424; }
.eta-down { background: #e5e9e5; color: #4c6055; }
.result-reading { font-family: var(--article-sans); font-size: 11px; line-height: 1.8; margin: 18px 0 22px; color: #525c51; }
.results-legend { display: flex; gap: 9px 20px; flex-wrap: wrap; margin: 22px 26px 24px; font-family: var(--article-sans); font-size: 9px; color: var(--article-muted); }
.results-legend > span { display: inline-flex; align-items: center; gap: 7px; }
.results-legend i { width: 9px; height: 9px; display: inline-block; border: 1px solid #00000012; }
.legend-improved { background: #c5debb; }
.legend-regressed { background: #e9bdae; }
.legend-eta { background: #f0e4c6; }
.internship-photos { margin: 30px 0 0; }
.internship-photos > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.internship-photos img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 2px; }
.internship-photos figcaption { margin-top: 10px; }
.source-notes { border-top: 1px solid var(--article-line); margin: 48px 0 0; padding-top: 25px; scroll-margin-top: 30px; }
.source-notes h2 { font-family: var(--article-sans); font-size: 14px; margin: 0 0 15px; }
.source-notes p, .source-notes li { font-family: var(--article-sans); font-size: 11px; line-height: 1.85; color: var(--article-muted); }
.source-notes ol { padding-left: 19px; margin: 17px 0 0; }
.source-notes li { padding-left: 5px; margin-bottom: 12px; scroll-margin-top: 30px; }
.source-notes li:target { background: #e6eddf; }
.article-end { display: flex; justify-content: space-between; gap: 20px; margin: 40px 0 20px; padding-top: 24px; border-top: 1px solid var(--article-line); font-family: var(--article-sans); font-size: 12px; }
.experience-article .article-end { animation: none; margin: 40px 0 20px; padding-top: 24px; }
.experience-article .site-footer { margin-top: 64px; padding-bottom: 22px; }

/* Summary metrics and navigation between experience articles. */
.experience-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 24px; margin: 0; padding: 26px 0; border-bottom: 1px solid var(--article-line); }
.experience-metrics > div { display: flex; flex-direction: column; gap: 8px; }
.experience-metrics dt { order: 2; max-width: 190px; font-family: var(--article-sans); font-size: 11px; line-height: 1.6; color: var(--article-muted); }
.experience-metrics dd { margin: 0; font-family: var(--font-mono); font-size: 30px; line-height: 1.2; letter-spacing: -0.05em; color: var(--article-accent); }
.article-section > .experience-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 24px 0 0; padding: 0; }
.experience-tags li { margin: 0; padding: 5px 9px; background: var(--article-surface); font-family: var(--font-mono); font-size: 10px; color: var(--article-accent); }
.experience-related { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; border-top: 1px solid var(--article-line); margin-top: 48px; padding-top: 26px; }
.experience-related .small-label { display: block; margin-bottom: 8px; font-size: 9px; color: var(--article-muted); }
.experience-related strong { display: block; font-family: var(--article-sans); font-size: 14px; line-height: 1.6; font-weight: 500; }
.experience-related strong span { padding-left: 6px; color: var(--article-accent); }
.experience-brief .article-hero { border-bottom: 2px solid var(--article-accent); }
.experience-brief .article-section { padding-top: 36px; }
.source-notes a { text-decoration: underline; text-underline-offset: 3px; }

/* The experience index uses quiet, full-width rows grouped by year. */
.experience-index-key { display: flex; flex-wrap: wrap; gap: 8px 24px; font-family: var(--font-mono); font-size: 10px; color: var(--article-muted); }
.experience-index-key span::before { content: ''; display: inline-block; width: 5px; height: 5px; margin-right: 8px; border: 1px solid var(--article-accent); vertical-align: 1px; }
.experience-year { margin: 24px 0 54px; scroll-margin-top: 30px; }
.experience-year-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; border-top: 2px solid var(--article-accent); padding: 16px 0; }
.experience-year-heading h2 { margin: 0; font-size: 33px; font-weight: 400; line-height: 1.2; letter-spacing: -0.04em; }
.experience-year-heading .small-label { font-size: 9px; color: var(--article-muted); }
.experience-entries { margin: 0; padding: 0; list-style: none; }
.experience-entries li { margin: 0; padding: 0; border-bottom: 1px solid var(--article-line); }
.experience-article .experience-entry { display: block; padding: 26px 0 28px; color: var(--color-ink); }
.experience-entry-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 13px; font-family: var(--font-mono); font-size: 9px; color: var(--article-muted); }
.experience-kind { color: var(--article-accent); }
.experience-entry-title { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.experience-entry-title h3 { margin: 0; font-size: 28px; line-height: 1.2; font-weight: 400; letter-spacing: -0.025em; }
.experience-entry-title > span { flex-shrink: 0; font-family: var(--article-sans); font-size: 20px; color: var(--article-accent); }
.experience-entry-team { margin: 9px 0 0; font-family: var(--article-sans); font-size: 12px; font-weight: 500; }
.experience-entry-summary { max-width: 650px; margin: 12px 0 0; font-size: 18px; line-height: 1.55; color: var(--article-muted); }
.experience-entry:hover h3, .experience-entry:focus-visible h3 { color: var(--article-accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }

@media (max-width: 1050px) {
    .article-layout { grid-template-columns: 160px minmax(0, 1fr); gap: 36px; padding-top: 42px; }
    .article-sidebar li a { font-size: 11px; }
    .article-meta { grid-template-columns: 1fr 1fr; }
    .article-meta > div:last-child { grid-column: 1 / -1; }
    .article-hero h1 { font-size: 49px; }

}
@media (max-width: 800px) {
    .article-masthead { max-width: 736px; padding: 24px; }
    .article-layout { display: flex; flex-direction: column; gap: 32px; max-width: 736px; padding: 28px 24px 0; }
    .article-sidebar { position: static; width: 100%; }
    .article-sidebar .small-label { margin-bottom: 10px; }
    .article-sidebar ol { display: flex; flex-wrap: wrap; gap: 1px 16px; }
    .article-sidebar li { margin: 0; }
    .article-sidebar li a { display: block; font-size: 10px; padding: 5px 0; }
    .article-sidebar li a span { margin-right: 5px; font-size: 8px; }
    .sidebar-note, .sources-link { display: none; }
    .article-meta { grid-template-columns: 1fr 1.3fr 1.2fr; }
    .article-meta > div:last-child { grid-column: auto; }
    .article-deck { font-size: 22px; }
    .article-section { padding-top: 44px; }
}
@media (max-width: 520px) {
    .article-masthead { padding: 20px; }
    .author-link { font-size: 19px; }
    .author-link span { font-size: 8px; }
    .back-link { font-size: 10px; }
    .back-link span { padding-right: 3px; }
    .article-layout { padding: 22px 20px 0; gap: 28px; }
    .article-sidebar .small-label { font-size: 9px; }
    .article-hero h1 { font-size: 43px; }
    .desktop-break { display: none; }
    .eyebrow { font-size: 8px; margin-bottom: 18px; }
    .article-deck { font-size: 21px; }
    .article-meta { grid-template-columns: 1fr 1.35fr; row-gap: 14px; }
    .article-meta > div:last-child { grid-column: 1 / -1; }
    .article-meta dd { font-size: 10px; }
    .article-abstract > p:not(.small-label) { font-size: 19px; }
    .work-tracks { grid-template-columns: 1fr; gap: 20px; }
    .article-section > h2 { font-size: 30px; }
    .article-section > p:not(.section-number), .article-section > ul, .article-section > ol { font-size: 18px; }
    .technical-figure { margin: 26px 0; }
    .figure-heading { gap: 10px; padding: 18px 16px; }
    .figure-heading h3 { font-size: 15px; }
    .diagram-open { font-size: 10px; }
    .technical-figure figcaption { padding: 16px; font-size: 11px; }
    .figure-heading .small-label { font-size: 9px; }
    .guardrail-demo { padding: 14px; margin: 0 16px 20px; }
    .demo-values { grid-template-columns: 1fr 1fr; }
    .demo-values p:last-child { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 12px; }
    .demo-values p:last-child strong { font-size: 13px; }
    .slider-row { grid-template-columns: 50px 1fr 45px; gap: 7px; font-size: 9px; }
    .article-callout { padding: 16px 18px; }
    .article-callout p:last-child { font-size: 17px; }
    .metric-definitions { grid-template-columns: 1fr; gap: 0; }
    .metric-definitions > div:last-child { border-top: none; }
    .results-controls { gap: 12px; flex-direction: column; margin: 20px 16px; }
    #results-panels { margin: 0 16px; }
    .results-controls select { font-size: 12px; }
    .results-table { min-width: 0; }
    .experience-article .results-table th { font-size: 9px; padding-left: 0; padding-right: 4px; }
    .experience-article .results-table thead th { font-size: 8px; }
    .experience-article .results-table td { font-size: 11px; padding: 12px 2px; border-width: 2px; }
    .results-table th:first-child { width: 27%; }
    .results-legend { gap: 8px 12px; margin: 20px 16px; }
    .internship-photos > div { gap: 6px; }
    .internship-photos img { aspect-ratio: 3 / 4; }
    .article-end { font-size: 10px; }
    .experience-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
    .experience-metrics dd { font-size: 27px; }
    .experience-related { gap: 24px; }
    .experience-related strong { font-size: 12px; }
    .experience-year { margin-bottom: 40px; }
    .experience-year-heading h2 { font-size: 30px; }
    .experience-entry-title h3 { font-size: 25px; }
    .experience-entry-summary { font-size: 17px; }
    .experience-entry-meta { gap: 10px; font-size: 8px; }
    .experience-entry-team { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
    .experience-article *, .experience-article *::before, .experience-article *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
    .experience-article { background: white; }
    .article-sidebar, .skip-link, .results-controls, .article-end, .back-link, .guardrail-demo, .experience-article .site-footer { display: none !important; }
    .article-masthead, .article-layout { display: block; max-width: none; padding: 0; }
    .article-masthead { padding-bottom: 16px; margin-bottom: 24px; }
    .article-hero h1 { font-size: 36px; }
    .article-section { padding-top: 24px; }
    .article-section > p:not(.section-number), .article-section > ul, .article-section > ol { font-size: 12pt; }
    .technical-figure, .article-callout, .result-panel { break-inside: avoid; }
    .experience-article .result-panel[hidden] { display: block !important; }
    .result-panel { margin-top: 24px; }
    .results-figure { break-inside: auto; }
    .table-scroll { overflow: visible; }
    .contract-table, .results-table { min-width: 0; }
    .source-notes { margin-top: 24px; }
    .experience-related { display: none; }
    .experience-metrics, .experience-entry { break-inside: avoid; }
    .experience-year-heading { break-after: avoid; }
}