/* Shared portfolio art direction. Loaded after the content-specific layouts. */
:root {
  --folio-page: #f8f8f6; --folio-surface: #ffffff; --folio-ink: #171a1c;
  --folio-muted: #575d61; --folio-rule: #cbd0d2; --folio-accent: #a43e0a;
  --folio-tint: #eceeed; --folio-display: Arial, Helvetica, sans-serif;
  --folio-mono: 'Cascadia Code', Consolas, monospace;
  --page: var(--folio-page); --surface: var(--folio-surface); --ink: var(--folio-ink);
  --muted: var(--folio-muted); --rule: var(--folio-rule); --accent: var(--folio-accent);
  --accent-2: #4b6069; --accent-3: #a43e0a; --accent-soft: var(--folio-tint);
  --unified-page: var(--folio-page); --unified-surface: var(--folio-surface);
  --unified-ink: var(--folio-ink); --unified-muted: var(--folio-muted);
  --unified-rule: var(--folio-rule); --unified-accent: var(--folio-accent);
  --unified-accent-2: #4b6069; --unified-accent-3: #a43e0a; --unified-hover: var(--folio-tint);
}
html[data-theme='dark'] {
  --folio-page: #111415; --folio-surface: #1b1f20; --folio-ink: #f3f4f2;
  --folio-muted: #b5bcbe; --folio-rule: #3b4447; --folio-accent: #ff9b61; --folio-tint: #272d2f;
  --page: var(--folio-page); --surface: var(--folio-surface); --ink: var(--folio-ink);
  --muted: var(--folio-muted); --rule: var(--folio-rule); --accent: var(--folio-accent);
  --accent-2: #9fb8c1; --accent-3: #ff9b61; --accent-soft: var(--folio-tint);
  --unified-page: var(--folio-page); --unified-surface: var(--folio-surface);
  --unified-ink: var(--folio-ink); --unified-muted: var(--folio-muted);
  --unified-rule: var(--folio-rule); --unified-accent: var(--folio-accent);
  --unified-accent-2: #9fb8c1; --unified-accent-3: #ff9b61; --unified-hover: var(--folio-tint);
}
body.academic-site, html[data-theme] body.signal-rebuild { background: var(--folio-page); color: var(--folio-ink); }
/* Older theme sheets contain !important backgrounds; scope the replacement to portfolio pages, not paper sheets. */
html[data-theme] body.signal-rebuild:not([data-paper]), html[data-theme] body.signal-rebuild .site-header { background: var(--folio-page) !important; }
body.academic-site::before, .academic-hero::before { display: none; }
body.academic-site .wrap, body.signal-rebuild .container { width: min(1240px, calc(100% - 96px)); }
.academic-header, body.signal-rebuild .site-header { top: 0 !important; padding: 0; background: var(--folio-page); }
.header-inner, .unified-header-inner {
  width: min(1240px, calc(100% - 96px)); min-height: 86px; padding: 12px 0;
  border: 0; border-bottom: 1px solid var(--folio-rule); border-radius: 0;
  background: color-mix(in srgb, var(--folio-page) 94%, transparent); box-shadow: none;
}
.wordmark, .unified-wordmark { color: var(--folio-ink); font-weight: 650; font-size: .95rem; }
.main-nav, .unified-nav { gap: 4px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.main-nav a, .unified-nav a { display: inline-flex; justify-content: center; align-items: center; min-height: 44px; padding: 8px 12px; border-radius: 0; font-size: .82rem; white-space: nowrap; text-decoration: none; }
.main-nav a:hover, .unified-nav a:hover { background: var(--folio-tint); text-decoration: none; }
.main-nav a[aria-current], .unified-nav a[aria-current] { color: var(--folio-accent); background: var(--folio-tint); box-shadow: inset 0 -2px var(--folio-accent); }
.theme-switch, .unified-theme-switch { border: 1px solid var(--folio-rule); background: transparent; color: var(--folio-ink); border-radius: 0; }
.academic-hero { grid-template-columns: 1.3fr 1fr; min-height: auto; gap: 72px; padding: 48px 0 40px; align-items: end; }
.academic-hero h1 { font-family: var(--folio-display); font-weight: 800; font-size: clamp(4rem, 6.7vw, 6rem); line-height: .98; letter-spacing: -.075em; max-width: none; margin: 22px 0 0; }
.academic-hero h1 em { font-family: inherit; font-style: normal; color: var(--folio-ink); background: none; -webkit-text-fill-color: currentColor; }
.academic-hero h1 em::after { content: ''; display: inline-block; width: .17em; height: .17em; margin-left: .15em; background: var(--folio-accent); }
.hero-summary { padding-bottom: 5px; }
.hero-specialism { font-size: 1.3rem; font-weight: 600; line-height: 1.35; letter-spacing: -.025em; margin: 0 0 20px; }
.hero-summary .lead { font-size: .9rem; line-height: 1.7; color: var(--folio-muted); }
.hero-identity { margin-bottom: 24px; }
.hero-identity img { width: 44px; height: 44px; border: 0; border-radius: 0; filter: grayscale(1); box-shadow: none; }
.hero-identity strong { display: none; }
.hero-identity span { max-width: 31ch; font-size: .76rem; }
.hero-kicker { font-size: .65rem; letter-spacing: .1em; color: var(--folio-muted); }
.hero-intro .lead { font-size: 1.02rem; line-height: 1.7; max-width: 49ch; }
.hero-interest { font-size: .83rem; max-width: 53ch; }
.hero-links { gap: 14px 20px; margin-top: 24px; }
.hero-links .primary-link, body.signal-rebuild a.button.primary { background: var(--folio-ink); border-color: var(--folio-ink); color: var(--folio-page); border-radius: 0; padding: 13px 20px; }
.hero-links .primary-link:hover { transform: translateY(-3px); opacity: 1; }
.hero-proof { display: none; }
.hero-intro { position: static; padding-top: 0; }
.work-entrypoints { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 0 48px; border-block: 1px solid var(--folio-rule); }
.work-entrypoints a { display: grid; gap: 12px; padding: 24px; border-right: 1px solid var(--folio-rule); color: var(--folio-ink); text-decoration: none; transition: background 200ms ease; }
.work-entrypoints a:first-child { padding-left: 0; }
.work-entrypoints a:last-child { border-right: 0; }
.work-entrypoints a:hover { background: var(--folio-tint); }
.work-entrypoints a > span, .work-entrypoints small { font: .7rem/1.5 var(--folio-mono); color: var(--folio-muted); }
.work-entrypoints strong { font-size: 1rem; font-weight: 600; }
.work-entrypoints strong span { color: var(--folio-accent); }
.portfolio-radar.skill-matrix { display: grid; grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr); column-gap: 48px; padding: 28px 32px; border: 1px solid var(--folio-rule); border-radius: 0; background: var(--folio-surface); box-shadow: none; scroll-margin-top: 0; }
.portfolio-radar .matrix-panels { grid-column: 2; grid-row: 1 / span 2; border-left: 1px solid var(--folio-rule); padding-left: 32px; }
.portfolio-radar header { display: block; padding: 0; background: transparent; border: 0; }
.portfolio-radar h2 { font-family: var(--folio-display); font-weight: 700; font-size: 2rem; line-height: 1.05; letter-spacing: -.045em; margin: 14px 0; }
.portfolio-radar header .radar-guide { font-size: .8rem; font-weight: 400; text-transform: none; letter-spacing: normal; line-height: 1.6; color: var(--folio-muted); max-width: 35ch; }
.portfolio-radar header .overline { margin: 0 0 5px; font-size: .63rem; }
.portfolio-radar .matrix-tabs { display: grid; grid-template-columns: 1fr; align-content: start; gap: 0; margin: 10px 0 0; overflow: visible; border: 0; }
.portfolio-radar .matrix-tabs button { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; min-height: 48px; min-width: 0; text-align: left; font-size: .82rem; border: 0; border-top: 1px solid var(--folio-rule); border-radius: 0; background: transparent; }
.portfolio-radar .matrix-tabs button small { display: block; font-size: .65rem; font-weight: 400; }
.portfolio-radar .matrix-tabs button[aria-selected='true'] { background: var(--folio-ink); color: var(--folio-page); box-shadow: inset 3px 0 var(--folio-accent); }
.portfolio-radar .matrix-panel { display: flex; flex-direction: column; gap: 8px; padding: 0; min-width: 0; }
.radar-track-detail { font-size: .78rem; text-align: center; color: var(--folio-muted); margin: 0; }
.portfolio-radar-chart { display: block; width: min(100%, 390px); height: auto; overflow: visible; flex: none; align-self: center; background: none; }
.radar-grid polygon, .radar-grid line { fill: none; stroke: var(--folio-rule); stroke-width: 1; }
.radar-grid polygon:last-of-type { stroke-width: 1.5; }
.radar-coverage { fill: color-mix(in srgb, var(--folio-accent) 15%, transparent); stroke: var(--folio-accent); stroke-width: 2.5; stroke-linejoin: round; }
.radar-node { fill: var(--folio-surface); stroke: var(--folio-accent); stroke-width: 2.5; }
.radar-labels text { fill: var(--folio-ink); font: 550 20px/1.3 system-ui, sans-serif; paint-order: stroke; stroke: var(--folio-surface); stroke-width: 5px; stroke-linejoin: round; }
.radar-labels a:hover text, .radar-labels a:focus text { fill: var(--folio-accent); text-decoration: underline; }
.radar-labels a:focus-visible { outline: 2px solid var(--folio-accent); outline-offset: 4px; }
.radar-explanation { font-size: .82rem; line-height: 1.65; color: var(--folio-muted); padding: 0; margin: 0; }
.radar-context { margin: 0; padding: 14px 16px; background: var(--folio-tint); border-radius: 7px; font-size: .78rem; line-height: 1.65; color: var(--folio-ink); }
.radar-context strong, .radar-context span { display: block; }
.radar-context span { color: var(--folio-muted); margin-top: 4px; }
.radar-method { border-top: 1px solid var(--folio-rule); padding-top: 12px; }
.radar-method summary { cursor: pointer; padding: 8px 0; min-height: 44px; font-size: .75rem; color: var(--folio-muted); }
.radar-method .radar-explanation { margin-top: 10px; }
.radar-evidence details { border-top: 1px solid var(--folio-rule); }
.radar-evidence summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 44px; gap: 12px; padding: 11px 0; font-size: .875rem; color: var(--folio-ink); }
.radar-evidence summary::-webkit-details-marker { display: none; }
.radar-evidence summary > span:first-child { min-width: 0; }
.radar-evidence summary > span:last-child { color: var(--folio-muted); text-align: right; font-size: .75rem; flex: 0 1 44%; }
.radar-evidence summary:focus-visible, .radar-method summary:focus-visible { outline: 2px solid var(--folio-accent); outline-offset: 3px; border-radius: 3px; }
.radar-evidence details[open] summary { color: var(--folio-accent); }
.radar-evidence details > div { display: grid; gap: 9px; padding: 6px 0 16px 12px; font-size: .875rem; border-left: 2px solid var(--folio-accent); margin-bottom: 10px; }
.radar-evidence details > div p { margin: 0; line-height: 1.7; color: var(--folio-muted); }
.radar-skill-link { font-weight: 650; margin-top: 5px; }
.radar-evidence a { display: flex; align-items: center; min-height: 44px; overflow-wrap: anywhere; }
.radar-notes { border-top: 1px solid var(--folio-rule); }
.radar-notes > summary { min-height: 44px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: .8rem; list-style: none; }
.radar-notes > summary::-webkit-details-marker { display: none; }
.radar-notes > summary span { font: .65rem var(--folio-mono); color: var(--folio-muted); }
.radar-notes > summary::after { content: '+'; color: var(--folio-accent); font-size: 1.2rem; }
.radar-notes[open] > summary::after { content: '−'; }
.radar-notes > summary:focus-visible { outline: 2px solid var(--folio-accent); outline-offset: 3px; }
.radar-notes-body { display: grid; gap: 14px; padding-block: 8px 16px; }
.radar-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 15px; padding-top: 8px; border-top: 1px solid var(--folio-rule); font-size: .72rem; }
.radar-actions a { min-height: 44px; display: inline-flex; align-items: center; }
.radar-actions .primary-link { background: var(--folio-ink); color: var(--folio-page); padding: 10px 13px; border-radius: 6px; }
.project-showcase { min-width: 0; border: 1px solid var(--folio-rule); border-radius: 12px; background: var(--folio-surface); overflow: hidden; box-shadow: 18px 22px 0 var(--folio-tint); }
.showcase-topline { display: flex; justify-content: space-between; padding: 16px 22px; color: var(--folio-muted); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; }
.showcase-image { display: block; overflow: hidden; height: 235px; background: #202b2c; }
.showcase-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 56%; transition: transform 800ms cubic-bezier(.2,.8,.2,1); }
.showcase-image:hover img { transform: scale(1.045); }
.showcase-copy { padding: 24px 26px 20px; min-height: 228px; }
.showcase-copy .overline { margin-bottom: 12px; font-size: .65rem; }
.showcase-copy h2 { font-family: var(--folio-display); font-size: clamp(1.6rem, 2.5vw, 2rem); font-weight: 400; letter-spacing: -.025em; line-height: 1.14; }
.showcase-copy p:not(.overline) { color: var(--folio-muted); font-size: .83rem; line-height: 1.6; }
.showcase-copy > a { font-size: .82rem; }
.showcase-controls { display: flex; border-top: 1px solid var(--folio-rule); }
.showcase-controls button { flex: 1; border: 0; padding: 16px 8px; color: var(--folio-muted); background: transparent; font-size: .76rem; border-right: 1px solid var(--folio-rule); }
.showcase-controls button:last-child { border-right: 0; }
.showcase-controls button[aria-selected='true'] { background: var(--folio-tint); color: var(--folio-ink); box-shadow: inset 0 -3px var(--folio-accent); }
.portfolio-credentials { display: grid; grid-template-columns: repeat(4, 1fr); padding: 25px 0; gap: 25px; border-block: 1px solid var(--folio-rule); margin-bottom: 24px; }
.portfolio-credentials span { color: var(--folio-muted); font-size: .68rem; }
.portfolio-credentials strong { display: block; font-size: 1rem; font-weight: 550; color: var(--folio-ink); margin-top: 5px; }
.section-index { background: transparent; box-shadow: none; border: 0; border-bottom: 1px solid var(--folio-rule); border-radius: 0; padding: 0 0 18px; backdrop-filter: none; gap: 20px 32px; }
.page-section { padding-block: 84px; }
.section-heading h2, .contact-section h2 { font-family: var(--folio-display); font-weight: 600; font-size: clamp(2rem, 3.4vw, 3rem); letter-spacing: -.04em; }
.overline { color: var(--folio-accent); font-family: var(--folio-mono); }
.section-heading { border: 0; border-top: 2px solid var(--folio-ink); padding: 22px 0 0; }
.section-intro { max-width: 70ch; }
.selected-work { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.selected-work .work-row:nth-child(n) { grid-column: auto; min-width: 0; }
.selected-work .work-row:first-child { grid-column: 1 / -1; }
.work-row { --card-pad: 24px; border: 1px solid var(--folio-rule); border-radius: 10px; background: var(--folio-surface); box-shadow: none; padding: 24px; transition: transform 400ms ease, box-shadow 400ms ease; }
.work-row:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px 36px; }
.work-row:first-child .work-media { grid-column: 1; grid-row: 1 / 4; margin: -24px 0 -24px -24px; width: calc(100% + 24px); height: auto; aspect-ratio: auto; align-self: stretch; min-height: 320px; border: 0; }
.work-row:first-child .work-media img { position: absolute; inset: 0; object-fit: contain; }
.work-row:first-child .work-number { display: none; }
.work-row:first-child .work-links { grid-column: 2; }
.work-row::after, .research-grid article::after { display: none; }
.work-media { aspect-ratio: 16 / 8; border-color: var(--folio-rule); }
.work-row h3 { font-size: 1.3rem; line-height: 1.25; }
.work-row p { font-size: .86rem; }
.work-number { display: none; }
.work-row .tools-line { color: var(--folio-muted); font-size: .7rem; }
.work-links a { font-size: .8rem; }
.research-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.research-grid article { border: 0; border-top: 1px solid var(--folio-rule); border-radius: 0; padding: 28px 32px 24px 0; background: transparent; box-shadow: none; }
.discipline-number { width: auto; display: block; border: 0; background: none; box-shadow: none; margin-bottom: 16px; font-family: var(--folio-display); font-size: 1.7rem; color: var(--folio-accent); }
.track-layer { margin: 36px 0 0; padding: 36px; background: var(--folio-tint); border: 0; border-radius: 0; box-shadow: none; }
.track-layer::before, .track-layer::after { display: none; }
.skill-matrix { background: transparent; border: 0; border-radius: 0; box-shadow: none; }
.matrix-tabs { display: flex; flex-wrap: wrap; gap: 8px; border: 0; margin-bottom: 32px; }
.matrix-tabs button { flex: 1 1 130px; min-height: 48px; border: 1px solid var(--folio-rule); border-radius: 7px; background: var(--folio-surface); color: var(--folio-ink); font-size: .78rem; padding: 12px; }
.matrix-tabs button::after { display: none; }
.matrix-tabs button[aria-selected='true'] { background: var(--folio-ink); color: var(--folio-page); border-color: var(--folio-ink); }
.matrix-panels { min-height: 0; }
.matrix-panel { padding: 0; display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; }
.track-overview h3 { font-family: var(--folio-display); font-size: 2.4rem; font-weight: 400; line-height: 1.1; }
.track-overview > p:not(.overline) { color: var(--folio-muted); font-size: .92rem; }
.track-evidence h4 { margin: 0 0 12px; font-size: .68rem; text-transform: uppercase; letter-spacing: .09em; color: var(--folio-muted); }
.track-skill-links { list-style: none; padding: 0; margin: 0 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.track-skill-links a { color: var(--folio-ink); font-weight: 600; font-size: .84rem; }
.track-skill-links small { display: block; font-size: .72rem; margin-top: 5px; color: var(--folio-muted); }
.track-project-links { display: grid; gap: 8px; font-size: .8rem; }
.skill-directory a, .track-directory a, .evidence-item, .timeline article, .education-list article { border-radius: 8px; box-shadow: none; background: var(--folio-surface); border-color: var(--folio-rule); }
.skill-directory a { transition: transform 300ms ease, background 300ms ease; }
.skill-directory a:hover { background: var(--folio-tint); transform: translateX(4px); }
.dossier-hero { padding-block: 62px 40px; }
.dossier-hero h1 { font-family: var(--folio-display); font-weight: 600; font-size: clamp(2.8rem, 5.4vw, 4.8rem); }
.dossier-layout { gap: 48px; }
.contact-section { margin-block: 32px; border-radius: 0; border: 0; border-top: 3px solid var(--folio-accent); padding: 44px; background: var(--folio-tint); }
.contact-email { overflow-wrap: anywhere; }
.academic-footer, body.signal-rebuild .footer { background: transparent; border-top: 1px solid var(--folio-rule); }
/* Shared legacy endpoints: library, experience, profile and case studies. */
body.signal-rebuild:not([data-paper]) :is(.page-hero, .case-hero, .hero) { background: var(--folio-page); padding: 66px 0 48px; }
body.signal-rebuild:not([data-paper]) :is(.page-hero, .case-hero, .hero)::after { display: none !important; }
body.signal-rebuild :is(.page-hero, .case-hero, .hero)::before { display: none; }
body.signal-rebuild :is(.page-hero, .case-hero) h1 { background: none; -webkit-text-fill-color: currentColor; color: var(--folio-ink); }
body.signal-rebuild:not([data-paper]) :is(.page-hero, .case-hero) h1 { font-family: var(--folio-display); font-weight: 400; max-width: 23ch; font-size: clamp(2.8rem, 5vw, 4.8rem); letter-spacing: -.04em; line-height: 1.07; }
body.signal-rebuild:not([data-paper]) :is(.card, .project-card, .case-panel, .page-panel, .skill-block, .timeline-item, .entry-card, .project-browser-item) { background: var(--folio-surface); border: 1px solid var(--folio-rule); border-radius: 9px; box-shadow: none; }
body.signal-rebuild:not([data-paper]) :is(.card, .project-card, .case-panel, .page-panel, .skill-block, .timeline-item, .entry-card, .project-browser-item)::after { display: none; }
body.signal-rebuild .project-browser { gap: 18px; }
body.signal-rebuild .project-browser-summary { padding: 26px; }
body.signal-rebuild .project-browser-summary h3 { font-size: 1.4rem; letter-spacing: -.025em; }
body.signal-rebuild .project-browser-item[open] { border-color: var(--folio-accent); }
body.signal-rebuild .content-controls { background: var(--folio-tint); border-radius: 9px; padding: 22px; border: 1px solid var(--folio-rule); }
body.signal-rebuild :is(input, select, textarea) { color: var(--folio-ink); background: var(--folio-surface); border-color: var(--folio-rule); }
html[data-theme] body.signal-rebuild .section.subtle { background: var(--folio-tint); }
body.signal-rebuild .paper-doc { border-radius: 8px; box-shadow: none; }
/* The shared header and case-study back links replace the former reading-mode toolbar. */
body.unified-site .paper-bar { display: none !important; }
body.unified-site .timeline-chart { border-radius: 9px; background: var(--folio-surface); border-color: var(--folio-rule); }
body.unified-site .timeline-chart:focus-visible { outline: 2px solid var(--folio-accent); outline-offset: 4px; }
.unified-footer-inner { width: min(1240px, calc(100% - 96px)); }
.track-navigation a[aria-current='page'] { background: var(--folio-ink); border-color: var(--folio-ink); color: var(--folio-page); }
.section-index a.is-current { color: var(--folio-accent); box-shadow: inset 0 -2px var(--folio-accent); }
body.academic-site :is(a, button, summary), body.unified-site :is(a, button, summary) { -webkit-tap-highlight-color: transparent; }
body.unified-site :is(a, button, input, select, summary):focus-visible { outline: 2px solid var(--folio-accent); outline-offset: 4px; }
.academic-footer a, .unified-footer-links a { display: inline-flex; align-items: center; min-height: 44px; }
/* Engineering index: flat, image-led project entries instead of a dashboard of rounded cards. */
.selected-work { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 44px 32px; }
.selected-work .work-row:first-child { grid-column: auto; display: flex; }
.selected-work .work-row { padding: 0 0 24px; border: 0; border-bottom: 1px solid var(--folio-rule); border-radius: 0; background: transparent; }
.selected-work .work-row .work-media { margin: 0 0 20px; width: 100%; height: auto; min-height: 0; aspect-ratio: 16 / 9; border: 0; border-radius: 0; }
.selected-work .work-row:first-child .work-media img { position: static; }
.selected-work .work-row:hover { box-shadow: none; }
.skill-directory a, .track-directory a, .evidence-item, .timeline article, .education-list article { border-radius: 0; }
body.signal-rebuild:not([data-paper]) :is(.card, .project-card, .case-panel, .page-panel, .skill-block, .timeline-item, .entry-card, .project-browser-item), body.signal-rebuild .content-controls { border-radius: 0; }
body.signal-rebuild:not([data-paper]) :is(.page-hero, .case-hero) h1 { font-weight: 700; }
.theme-switch, .unified-theme-switch { background: transparent !important; }
.academic-header::after { display: none; }
@media (min-width: 761px) and (max-width: 1100px) {
  .header-inner, .unified-header-inner { flex-wrap: wrap; gap: 10px 20px; }
  .main-nav, .unified-nav { order: 3; flex: 1 0 100%; justify-content: center; }
  .academic-hero { grid-template-columns: minmax(0, 1fr); }
  .hero-intro { position: static; padding-top: 0; }
  .portfolio-radar.skill-matrix { width: 100%; max-width: none; column-gap: 24px; padding-inline: 24px; }
  .portfolio-radar .matrix-tabs button small { display: none; }
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .work-row:hover { transform: translateY(-5px); box-shadow: 0 18px 35px -24px var(--folio-ink); }
  .work-row:first-child:hover { transform: translateY(-3px); }
}
@media (max-width: 980px) {
  .academic-hero { gap: 36px; }
  .main-nav, .unified-nav { gap: 4px; }
  .header-inner, .unified-header-inner { gap: 18px; }
  .showcase-copy { padding: 22px; }
  .matrix-panel { gap: 30px; }
}
@media (max-width: 760px) {
  /* Keep the whole chart available on short screens; navigation remains at the page top. */
  .academic-header, body.signal-rebuild .site-header { position: static !important; }
  body.academic-site .wrap, body.signal-rebuild .container, .header-inner, .unified-header-inner, .unified-footer-inner { width: calc(100% - 40px); }
  .header-inner, .unified-header-inner { border-radius: 0; padding: 12px 0 4px; gap: 4px 14px; }
  .wordmark span, .unified-wordmark span { display: none; }
  .main-nav, .unified-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); flex: 1 0 100%; width: 100%; margin: 6px 0 8px; gap: 2px; padding: 3px; overflow: visible; }
  .main-nav a, .unified-nav a { min-height: 44px; padding: 6px; font-size: .75rem; }
  .theme-switch, .unified-theme-switch { min-height: 36px; padding: 8px 10px; }
  .academic-hero { grid-template-columns: 1fr; gap: 28px; padding: 28px 0; }
  .hero-intro { position: static; padding-top: 0; }
  .portfolio-radar.skill-matrix { display: block; padding: 16px 12px; box-shadow: none; scroll-margin-top: 16px; }
  .portfolio-radar .matrix-panels { padding-left: 0; border: 0; }
  .portfolio-radar h2 { font-size: 1.4rem; margin: 8px 0 12px; }
  .portfolio-radar h2 br { display: block; }
  .portfolio-radar header .radar-guide { display: none; }
  .portfolio-radar .matrix-tabs { grid-template-columns: repeat(6, minmax(0, 1fr)); margin: 0 0 12px; }
  .portfolio-radar .matrix-tabs button { grid-column: span 2; font-size: .75rem; justify-content: center; min-height: 44px; }
  .portfolio-radar .matrix-tabs button small { display: none; }
  .portfolio-radar .matrix-tabs button:nth-last-child(-n+2) { grid-column: span 3; }
  .radar-labels text { font-size: 24px; }
  .radar-evidence a { min-height: 44px; }
  .academic-hero h1 { font-size: clamp(3rem, 14vw, 6rem); max-width: none; }
  .hero-specialism { font-size: 1.1rem; }
  .work-entrypoints { grid-template-columns: 1fr; margin-bottom: 28px; }
  .work-entrypoints a, .work-entrypoints a:first-child { padding: 16px 0; border-right: 0; border-bottom: 1px solid var(--folio-rule); gap: 6px; }
  .work-entrypoints a:last-child { border-bottom: 0; }
  .hero-identity { margin-bottom: 22px; }
  .hero-kicker { font-size: .6rem; }
  .project-showcase { box-shadow: 8px 10px 0 var(--folio-tint); }
  .showcase-image { height: 240px; }
  .showcase-copy { min-height: 225px; }
  .portfolio-credentials { grid-template-columns: 1fr 1fr; gap: 24px 14px; }
  .section-index { gap: 6px 22px; }
  .page-section { padding-block: 48px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 15px; }
  .selected-work { grid-template-columns: 1fr; gap: 24px; }
  .work-row:first-child { display: flex; }
  .work-row:first-child .work-media { margin: -24px -24px 18px; width: calc(100% + 48px); aspect-ratio: 16 / 9; height: auto; min-height: 0; }
  .selected-work .work-row:first-child .work-media { margin: 0 0 20px; width: 100%; }
  .research-grid { grid-template-columns: 1fr; }
  .research-grid article { padding-right: 0; }
  .track-layer { padding: 24px 18px; margin-top: 12px; border-radius: 0; }
  .matrix-tabs { flex-wrap: wrap; overflow: visible; gap: 6px; }
  .matrix-tabs button { flex: 1 1 42%; min-width: 0; font-size: .75rem; }
  .matrix-panel { display: block; }
  .track-evidence { margin-top: 30px; }
  .track-overview h3 { font-size: 2rem; }
  .track-skill-links { gap: 20px 12px; }
  .contact-section { padding: 26px 20px; }
  .contact-email { font-size: .93rem; }
  .dossier-hero { padding-top: 36px; }
  body.signal-rebuild:not([data-paper]) :is(.page-hero, .case-hero, .hero) { padding: 38px 0 30px; }
  body.signal-rebuild:not([data-paper]) :is(.page-hero, .case-hero) h1 { font-size: clamp(2.5rem, 10vw, 3.4rem); }
}
@media (max-width: 380px) {
  .header-inner, .unified-header-inner { gap: 4px; }
  .wordmark, .unified-wordmark { font-size: .85rem; }
  .theme-switch, .unified-theme-switch { font-size: .65rem; padding-inline: 8px; }
  .portfolio-radar .matrix-tabs button { padding: 8px 3px; }
}
@media (prefers-reduced-motion: reduce) { .project-showcase *, .work-row, .skill-directory a { transition: none !important; } }
@media print { .showcase-controls, .portfolio-credentials { display: none; } .project-showcase { box-shadow: none; } }