/* =====================================================================
   site.css: base styles, shared components, homepage sections, and
   dedicated pages (/phd/, /teaching.html, /publications.html).
   Loaded on every page after tokens.css.
   ===================================================================== */

/* ---------- 1. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--fs-body)/1.65 var(--font-sans);
  font-optical-sizing: auto;
  font-kerning: normal;
  font-variant-numeric: lining-nums proportional-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
h1, h2, h3 { margin: 0; font-family: var(--font-serif); font-weight: 500; text-wrap: balance; }
h4 { margin: 0; font-family: var(--font-sans); font-weight: 600; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
figcaption, dt, dd, li, summary { text-wrap: pretty; }
p + p { margin-top: 1em; }
ul, ol { margin: 0; padding: 0; }
figure { margin: 0; }
blockquote { margin: 0; hanging-punctuation: first; }
img, video, svg { display: block; max-width: 100%; height: auto; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
b, strong { font-weight: 600; }
cite { font-style: italic; }
.lnum { font-variant-numeric: lining-nums; }
[hidden] { display: none !important; }

a {
  color: var(--ink);
  text-decoration: underline 1px color-mix(in srgb, var(--accent) 45%, transparent);
  text-underline-offset: .18em;
  transition: color var(--dur-1), text-decoration-color var(--dur-1);
}
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--accent-wash); color: var(--ink); }
code { font-family: var(--font-mono); font-size: .875em; background: var(--code-bg); padding: .1em .3em; border-radius: 3px; }

.icon { width: 16px; height: 16px; flex: none; display: inline-block; vertical-align: -.15em; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 8px; top: 8px; z-index: var(--z-toast);
  padding: 10px 16px; border-radius: var(--r-sm);
  background: var(--ink); color: var(--paper);
  font: 600 14px/1 var(--font-sans); text-decoration: none;
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

.kicker {
  font: 600 var(--fs-xs)/1.3 var(--font-sans);
  letter-spacing: var(--track-kicker);
  text-transform: uppercase;
  color: var(--ink-3);
  font-variant-numeric: lining-nums tabular-nums;
}
.kicker a { color: inherit; }

/* ---------- 2. Layout ---------- */
.wrap { max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-top: var(--section-y); }
main > .section:last-child { padding-bottom: var(--section-y); }

@media (min-width: 1024px) {
  .hang { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); }
  .hang__margin { grid-column: 1 / 4; }
  .hang__main, .hang > :not(.hang__margin) { grid-column: 4 / -1; min-width: 0; }
}

/* ---------- 3. Header, nav, theme toggle, mobile menu ---------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-2);
}
.site-header.is-scrolled { border-bottom-color: var(--rule); }
.site-header__inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.wordmark {
  display: inline-flex; align-items: center; gap: 10px; margin-right: auto;
  color: var(--ink); text-decoration: none;
  font: 500 1.125rem/1 var(--font-serif); letter-spacing: -.005em;
}
.wordmark:hover { color: var(--ink); }
.logomark { width: 16px; height: 16px; flex: none; }
.logomark__cell { fill: none; stroke: var(--ink); stroke-width: 1.25; }
.logomark__cell--on { fill: var(--accent); stroke: none; }

.site-nav__list { list-style: none; display: flex; gap: 24px; align-items: center; }
.site-nav__link {
  display: inline-block; padding: 8px 0;
  font: 500 var(--fs-ui)/1 var(--font-sans); color: var(--ink-2); text-decoration: none;
}
.site-nav__link:hover { color: var(--accent); }
.site-nav__link[aria-current] { color: var(--ink); text-decoration: underline 1px var(--accent); text-underline-offset: 6px; }
.site-nav__link--cta {
  padding: 7px 12px; border: 1px solid var(--rule-strong); border-radius: var(--r-pill);
  color: var(--ink); font-size: var(--fs-sm);
  transition: background-color var(--dur-1), border-color var(--dur-1), color var(--dur-1);
}
.site-nav__link--cta:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-wash); }
.site-nav__link--cta[aria-current] { background: var(--ink); color: var(--paper); border-color: var(--ink); text-decoration: none; }
.site-header__tools { display: flex; align-items: center; gap: 8px; }

.btn-icon {
  display: inline-grid; place-items: center; width: 36px; height: 36px; padding: 0;
  border: 0; border-radius: var(--r-sm); background: transparent; color: var(--ink-2);
  transition: background-color var(--dur-1), color var(--dur-1);
}
.btn-icon:hover { background: var(--paper-2); color: var(--ink); }
.theme-toggle .icon { width: 18px; height: 18px; }
.theme-toggle__icon { display: none; }
.theme-toggle:not([data-state]) .theme-toggle__icon--auto,
.theme-toggle[data-state="auto"] .theme-toggle__icon--auto,
.theme-toggle[data-state="light"] .theme-toggle__icon--light,
.theme-toggle[data-state="dark"] .theme-toggle__icon--dark { display: block; }
html:not(.js) .theme-toggle, html:not(.js) .menu-toggle { display: none; }

.menu-toggle {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px;
  border: 1px solid var(--rule-strong); border-radius: var(--r-sm); background: transparent;
  color: var(--ink); font: 500 var(--fs-ui)/1 var(--font-sans);
}
.menu-toggle .icon { width: 18px; height: 18px; }
.menu-toggle__close, .menu-toggle[aria-expanded="true"] .menu-toggle__open { display: none; }
.menu-toggle[aria-expanded="true"] .menu-toggle__close { display: block; }

@media (max-width: 839.98px) {
  html.js .site-nav__list {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 4px var(--gutter) 16px;
    background: var(--paper); border-bottom: 1px solid var(--rule); box-shadow: var(--shadow-pop);
  }
  html.js .site-nav__list.is-open { display: flex; }
  html.js .site-nav__list li + li { border-top: 1px solid var(--rule); }
  html.js .site-nav__link { display: flex; align-items: center; min-height: 52px; font: 400 1.4rem/1 var(--font-serif); color: var(--ink); border: 0; padding: 0; border-radius: 0; }
  html.js .site-nav__link[aria-current] { color: var(--accent); text-decoration: none; background: none; }
  html.js .site-header__inner { gap: 8px; }
  html.js .site-nav { margin-right: -8px; }
  .wordmark { gap: 8px; white-space: nowrap; }
  .menu-toggle { padding: 0 10px; }
  .site-header:has(.site-nav__list.is-open) { background: var(--paper); }
  body:has(.site-nav__list.is-open)::after { content: ""; position: fixed; inset: 0; z-index: calc(var(--z-header) - 10); background: var(--backdrop); opacity: .4; }
  html:not(.js) .site-header__inner { flex-wrap: wrap; height: auto; padding-block: 12px; row-gap: 4px; }
  html:not(.js) .site-nav { order: 3; width: 100%; }
  html:not(.js) .site-nav__list { flex-wrap: wrap; gap: 4px 18px; }
}
@media (min-width: 840px) { .menu-toggle { display: none; } }
@media (pointer: coarse) { .btn-icon { width: 44px; height: 44px; } }

/* ---------- 4. Section head ---------- */
.section-head {
  display: grid; gap: 12px;
  border-top: 1px solid var(--rule); padding-top: var(--s-4);
  margin-bottom: clamp(36px, 2rem + 2.5vw, 68px);
}
.section-head__title { font-size: var(--fs-h2); line-height: 1.08; letter-spacing: -.018em; max-width: 31ch; }
.section-head__deck { font-size: var(--fs-lede); line-height: 1.4; color: var(--ink-2); max-width: 42rem; }
.section-head__aside { justify-self: start; }
@media (min-width: 1024px) {
  .section-head { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); row-gap: var(--s-4); padding-top: var(--s-5); }
  .section-head__kicker { grid-column: 1 / 4; grid-row: 1 / span 2; padding-top: .9em; }
  .section-head__title, .section-head__deck { grid-column: 4 / 12; }
  .section-head--row .section-head__title { grid-column: 4 / 10; }
  .section-head--row .section-head__aside { grid-column: 10 / -1; justify-self: end; align-self: end; margin-bottom: .6em; }
}

/* ---------- 5. Buttons and links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border: 1px solid transparent; border-radius: var(--r-sm);
  background: var(--ink); color: var(--paper);
  font: 600 15px/1 var(--font-sans); text-decoration: none; white-space: nowrap;
  transition: background-color var(--dur-1), color var(--dur-1), border-color var(--dur-1);
}
.btn:hover { background: var(--accent); color: var(--on-accent); }
.btn:active { background: var(--accent-strong); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--control-border); }
.btn--ghost:hover { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:active { background: var(--paper-2); }
.btn--sm { height: 36px; padding: 0 14px; font-size: var(--fs-ui); font-weight: 500; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 15px/1.3 var(--font-sans); color: var(--accent); text-decoration: none;
}
.link-arrow .icon { transition: transform var(--dur-2) var(--ease-out); }
.link-arrow:hover { color: var(--accent-strong); text-decoration: underline 1px; text-underline-offset: .22em; }
.link-arrow:hover .icon { transform: translateX(3px); }
.link-arrow--down:hover .icon { transform: translateY(2px); }
.link-arrow--sm { font-size: var(--fs-ui); }

.link-quiet {
  display: inline-flex; align-items: center; gap: 4px;
  font: 500 var(--fs-ui)/1.3 var(--font-sans); color: var(--ink-2); text-decoration: none;
}
.link-quiet:hover { color: var(--accent); }

/* ---------- 6. Pills, badges, tags, status pills ---------- */
.pill {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 10px; border: 1px solid var(--rule-strong); border-radius: var(--r-sm);
  font: 500 var(--fs-sm)/1 var(--font-sans); color: var(--ink-2); text-decoration: none; white-space: nowrap;
  background: transparent; transition: color var(--dur-1), border-color var(--dur-1);
}
.pill .icon { width: 14px; height: 14px; }
.pill:hover { color: var(--ink); border-color: var(--control-border); }
@media (pointer: coarse) { .pill::before { content: ""; position: absolute; inset: -8px 0; } }

.badge {
  display: inline-flex; align-items: center; height: 22px; padding: 0 8px;
  border: 1px solid currentColor; border-radius: var(--r-sm);
  font: 600 11px/1 var(--font-sans); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap;
}
.badge--schematic { color: var(--badge-schematic); border-style: dashed; }
.badge--paper { color: var(--badge-paper); }
.badge--real { color: var(--badge-real); }
.badge--progress, .badge--outline { color: var(--accent); }

.status-pill {
  display: inline-flex; align-items: center; gap: 8px; height: 24px; padding: 0 10px;
  border: 1px solid var(--accent); border-radius: var(--r-pill); color: var(--accent);
  font: 600 11px/1 var(--font-sans); letter-spacing: .06em; text-transform: uppercase;
}
.status-pill::before { content: ""; width: 6px; height: 6px; border: 1.5px solid currentColor; border-radius: 50%; }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-flex; align-items: center; height: 24px; padding: 0 9px;
  border: 1px solid var(--rule-strong); border-radius: var(--r-pill);
  font: 500 11px/1 var(--font-sans); letter-spacing: .04em; color: var(--ink-2);
}
.tag--accent { color: var(--accent); border-color: currentColor; }
a.tag { text-decoration: none; transition: background-color var(--dur-1); }
a.tag:hover { color: var(--accent); background: var(--accent-wash); }

/* ---------- 7. Plates (figure on a mat) + zoom + lightbox ---------- */
.plate { --mat-pad: 12px; margin: 0; }
.plate__head { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; min-height: 22px; }
.plate__num { font: 600 var(--fs-xs)/1 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); }
.plate__mat {
  display: block; position: relative; isolation: isolate;
  background: var(--mat); padding: var(--mat-pad);
  border: 1px solid var(--plate-border); border-radius: var(--r-xs);
  box-shadow: var(--shadow-plate);
  transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2), border-color var(--dur-2);
}
.plate__mat :is(img, video) { width: 100%; height: auto; mix-blend-mode: multiply; border-radius: 1px; }
.plate--photo .plate__mat, .plate--portrait .plate__mat { padding: 10px; background: var(--mat); }
.plate--photo .plate__mat :is(img, video), .plate--portrait .plate__mat :is(img, video) { mix-blend-mode: normal; }
.plate--schematic .plate__mat { background: var(--surface); }
.plate__cap { margin-top: 12px; max-width: 60ch; font: 400 var(--fs-cap)/1.5 var(--font-sans); color: var(--ink-2); }
.plate__cap .plate__num { margin-right: 6px; }
.plate__src { color: var(--ink-3); }
.plate__cap i { font-style: italic; }

.plate--thumb .plate__mat { aspect-ratio: 2 / 1; display: flex; align-items: center; justify-content: center; }
.plate--thumb .plate__mat :is(img, video, svg) { width: 100%; height: 100%; object-fit: contain; }

.plate__zoom {
  position: relative; display: block; width: 100%; padding: 0; border: 0; background: none;
  text-align: inherit; cursor: zoom-in; border-radius: var(--r-xs); color: inherit; text-decoration: none;
}
.plate__zoom:hover .plate__mat { transform: translateY(-2px); box-shadow: var(--shadow-plate-hover); }
.plate__zoom-icon {
  position: absolute; top: 8px; right: 8px; z-index: 1;
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--scrim); color: var(--on-scrim); opacity: 0; transition: opacity var(--dur-2);
}
.plate__zoom-icon .icon { width: 14px; height: 14px; }
.plate__zoom:is(:hover, :focus-visible) .plate__zoom-icon { opacity: 1; }
@media (pointer: coarse) { .plate__zoom-icon { opacity: 1; } }
html:not(.js) .plate__zoom-icon { display: none; }

.lightbox {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0;
  border: 0; background: transparent; color: var(--on-backdrop); overflow: hidden;
}
.lightbox::backdrop { background: var(--backdrop); }
.lightbox[open] { display: grid; place-items: center; }
.lightbox__figure { display: grid; justify-items: center; gap: 14px; max-width: min(92vw, 1600px); margin: 0; }
.lightbox__scroll { max-width: 100%; }
.lightbox__mat { background: var(--mat); padding: 12px; border-radius: var(--r-xs); box-shadow: var(--shadow-plate); isolation: isolate; }
.lightbox__img { max-width: min(92vw - 24px, 1576px); max-height: calc(84vh - 24px); width: auto; height: auto; mix-blend-mode: multiply; }
.lightbox__cap { max-width: 70ch; text-align: center; font: 400 var(--fs-cap)/1.5 var(--font-sans); color: var(--on-backdrop); }
.lightbox__close {
  position: fixed; top: 12px; right: 12px; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; border: 0; background: var(--scrim); color: var(--on-scrim);
}
.lightbox__close:hover { background: var(--backdrop); }
.lightbox__close .icon { width: 20px; height: 20px; }
html.has-lightbox { overflow: hidden; }

/* ---------- 9. Stat chips, code / BibTeX blocks, copy buttons, callouts ---------- */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 20px; margin: 28px 0 0; }
.stat { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 6px; padding: 0 20px; border-left: 1px solid var(--rule); min-width: 0; }
.stat:nth-child(3n + 1) { padding-left: 0; border-left: 0; }
.stat dd { margin: 0; }
.stat__fig { white-space: nowrap; }
.stat__value { font: 500 2rem/1 var(--font-serif); font-variant-numeric: lining-nums tabular-nums; letter-spacing: -.01em; color: var(--ink); }
.stat__unit { margin-left: 4px; font: 600 12px/1 var(--font-sans); letter-spacing: .02em; text-transform: uppercase; color: var(--accent); }
.stat__label { font: 400 13px/1.35 var(--font-sans); color: var(--ink-3); }
.stats__src { margin-top: 14px; font: 400 13px/1.45 var(--font-sans); color: var(--ink-3); }
@media (max-width: 599.98px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat, .stat:nth-child(3n + 1) { padding: 0 16px; border-left: 1px solid var(--rule); }
  .stat:nth-child(odd) { padding-left: 0; border-left: 0; }
}

.code-wrap { position: relative; }
.code {
  margin: 0; padding: 16px; padding-right: 52px; overflow-x: auto;
  background: var(--code-bg); border: 1px solid var(--rule); border-radius: var(--r-sm);
  font: 400 13px/1.6 var(--font-mono); color: var(--ink); tab-size: 2;
}
.code code { background: none; padding: 0; font-size: inherit; }
.code-wrap .code-copy { position: absolute; top: 6px; right: 6px; }
.copy-btn__done { display: none; }
.is-copied .copy-btn__copy { display: none; }
.is-copied .copy-btn__done { display: inline-block; color: var(--badge-real); }
html:not(.js) :is(.code-copy, .copy-btn, [data-copy]) { display: none; }

.callout { margin: 32px 0; padding: 16px 20px; border-radius: var(--r-sm); font-size: var(--fs-cap); }
.callout > .kicker:first-child { display: block; margin-bottom: 6px; }
.callout--key { background: color-mix(in srgb, var(--accent-wash) 70%, transparent); border-left: 3px solid var(--accent); }
.callout--note { border: 1px solid var(--rule); }
.callout--schematic { border: 1px dashed var(--badge-schematic); }
.callout--credit { background: var(--paper-2); }
.callout--question { border-left: 3px solid var(--accent); padding-block: 8px; }
.tldr { padding: 24px; border-radius: var(--r-md); background: var(--paper-2); }
.tldr p:not(.kicker) { margin-top: 8px; font-size: var(--fs-lede); line-height: 1.45; }

/* ---------- 10. Hero ("Cover") and throughline shell ---------- */
.hero { padding-top: clamp(40px, 7vw, 96px); }
.hero__grid { display: grid; gap: 24px; }
.hero__portrait { width: 160px; }
.hero__portrait .plate__mat { padding: 10px; background: var(--mat); }
.hero__portrait img { aspect-ratio: 3 / 4; object-fit: cover; filter: var(--photo-filter); }
.hero__overline a { text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.hero__title {
  margin-top: 14px; font-size: var(--fs-display); font-weight: 400; line-height: 1.02;
  letter-spacing: -.028em; font-variant-numeric: lining-nums;
}
.hero__deck { margin-top: 22px; max-width: 28ch; font-size: var(--fs-deck-xl); line-height: 1.3; letter-spacing: -.005em; color: var(--ink-2); }
.hero__deck em { font-style: italic; color: var(--accent); }
.hero__rule { display: block; width: 48px; height: 2px; margin: 28px 0; background: var(--accent); }
.hero__bio { max-width: 40rem; color: var(--ink-2); }
.hero__bio a { color: var(--ink); }

.link-row { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; }
.link-row a { display: inline-flex; align-items: center; gap: 7px; min-height: 28px; font: 500 var(--fs-ui)/1 var(--font-sans); color: var(--ink-2); text-decoration: none; }
.link-row a:hover { color: var(--accent); }

.hero__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 32px; }
@media (max-width: 419.98px) {
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }
}

.now { margin-top: 28px; }
.now__link { display: inline-flex; flex-wrap: wrap; align-items: baseline; column-gap: 12px; row-gap: 4px; color: var(--ink-2); text-decoration: none; font: 400 var(--fs-cap)/1.45 var(--font-sans); }
.now__label { display: inline-flex; align-items: center; gap: 8px; font: 600 var(--fs-xs)/1 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--accent); }
.now__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.now__text .icon { margin-left: 8px; vertical-align: -.2em; color: var(--accent); transition: transform var(--dur-2) var(--ease-out); }
.now__link:hover { color: var(--ink); }
.now__link:hover .now__text { text-decoration: underline 1px var(--accent); text-underline-offset: .2em; }
.now__link:hover .icon { transform: translateX(3px); }

@media (min-width: 600px) and (max-width: 839.98px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) 184px; column-gap: 32px; align-items: start; }
  .hero__text { grid-column: 1; grid-row: 1; }
  .hero__portrait { grid-column: 2; grid-row: 1; width: auto; margin-top: calc(1.3 * var(--fs-xs) + 14px); }
}
@media (min-width: 840px) {
  .hero__grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); }
  .hero__text { grid-column: 1 / 9; grid-row: 1; }
  .hero__portrait { grid-column: 10 / 13; grid-row: 1; width: auto; max-width: 300px; justify-self: end; margin-top: calc(1.3 * var(--fs-xs) + 14px); }
}

/* Throughline section */
.section--compact { padding-top: calc(var(--section-y) * .5); }
#throughline .section-head { padding-top: var(--s-4); row-gap: 10px; margin-bottom: 20px; }
#throughline .section-head__title { font-size: var(--fs-h3); line-height: 1.12; max-width: 36ch; }
#throughline .section-head__deck { font-size: var(--fs-body); max-width: 50rem; }
@media (min-width: 1024px) { #throughline .section-head__kicker { padding-top: .55em; } }
.throughline { position: relative; }
.throughline[data-ready] .throughline__fallback { display: none; }
.throughline__fallback {
  list-style: none; columns: 1; column-gap: 40px;
  border-top: 1px solid var(--rule);
}
.throughline__fallback li {
  display: grid; grid-template-columns: 3.25rem 1fr; column-gap: 12px; align-items: baseline;
  padding: 10px 0 10px 14px; border-bottom: 1px solid var(--rule); break-inside: avoid; position: relative;
  font: 400 var(--fs-ui)/1.4 var(--font-sans);
}
.throughline__fallback li::before {
  content: ""; position: absolute; left: 0; top: 17px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--ink);
}
.throughline__fallback li[data-status="in-progress"]::before { background: none; border: 1.5px solid var(--accent); }
.throughline__fallback li[data-status="open"]::before { background: none; border: 1.5px dashed var(--accent); }
.tf__year { grid-row: span 2; font: 600 var(--fs-xs)/1.4 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.throughline__fallback a { font-weight: 600; color: var(--ink); text-decoration: none; }
.throughline__fallback a:hover { color: var(--accent); }
.throughline__fallback [data-status] a { color: var(--accent); }
.tf__meta { color: var(--ink-3); font-size: var(--fs-sm); }
@media (min-width: 600px) { .throughline__fallback { columns: 2; } }
@media (min-width: 1024px) { .throughline__fallback { columns: 3; } }

.throughline__hint { display: none; margin-top: 12px; font: 400 13px/1.45 var(--font-sans); color: var(--ink-3); }
.throughline[data-ready]:not([data-legend="inline"]) + .throughline__hint { display: block; }

.throughline__legend { list-style: none; display: grid; gap: 12px 24px; margin-top: 20px; }
.throughline[data-legend="inline"] ~ .throughline__legend {
  position: absolute; width: 1px; height: 1px; margin: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.lane__name { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.lane__name::before { content: ""; width: 8px; height: 2px; background: var(--ink); }
.lane[data-lane="autonomy"] .lane__name, .lane[data-lane="act"] .lane__name { color: var(--accent); }
.lane[data-lane="autonomy"] .lane__name::before, .lane[data-lane="act"] .lane__name::before { background: var(--accent); }
.lane__text { margin-top: 4px; font: 400 var(--fs-sm)/1.45 var(--font-sans); color: var(--ink-2); }
@media (min-width: 600px) { .throughline__legend { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .throughline__legend { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ---------- 10b. Selected work: feature spreads, mini cards, open source ---------- */
.feature { display: grid; gap: 28px; padding-bottom: var(--s-9); margin-bottom: var(--s-9); border-bottom: 1px solid var(--rule); }
.feature__plate { --mat-pad: 16px; }
.feature:last-of-type { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
@media (max-width: 1023.98px) {
  .feature { row-gap: 40px; }
}
.feature__kicker { margin-bottom: 14px; }
.feature__title { font-size: var(--fs-h3); line-height: 1.15; letter-spacing: -.01em; }
.feature__subtitle { margin-top: 6px; font-size: var(--fs-lede); font-style: italic; line-height: 1.35; color: var(--ink-2); }
.feature__deck { margin-top: 18px; color: var(--ink-2); }
.feature__aside { margin-top: 14px; padding-left: 12px; border-left: 2px solid var(--rule-strong); font: 400 13px/1.5 var(--font-sans); color: var(--ink-3); }
.feature__text > :is(.feature__deck, .feature__aside, .feature__subtitle) { max-width: var(--measure); }
.feature__links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 24px; }
.feature__pills { display: inline-flex; flex-wrap: wrap; gap: 8px; }

@media (min-width: 840px) and (max-width: 1023.98px) {
  .feature__plate { --mat-pad: 24px; }
}
@media (min-width: 1024px) {
  .feature { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); align-items: start; padding-bottom: var(--s-8); margin-bottom: var(--s-8); }
  .feature__plate { --mat-pad: 24px; grid-column: 1 / 8; grid-row: 1; position: sticky; top: calc(var(--header-h) + 32px); }
  .feature__text { grid-column: 8 / 13; grid-row: 1; padding-left: var(--s-4); }
  .feature--flip .feature__plate { grid-column: 7 / 13; }
  .feature--flip .feature__text { grid-column: 1 / 6; padding-left: 0; }
  .feature .stats { grid-template-columns: 1fr; row-gap: 0; margin-top: 24px; border-bottom: 1px solid var(--rule); }
  .feature .stat, .feature .stat:nth-child(3n + 1) {
    flex-direction: row-reverse; justify-content: flex-end; align-items: baseline; gap: 14px;
    padding: 12px 0; border-left: 0; border-top: 1px solid var(--rule);
  }
  .feature .stat__fig { flex: none; min-width: 8.25rem; }
  .feature .stat__value { font-size: 1.75rem; }
}
@media (min-width: 1200px) {
  .feature--flip .feature__plate { grid-column: 7 / 13; }
  .feature--flip .feature__text { grid-column: 1 / 7; }
}

.notable, .oss { margin-top: var(--s-8); }
.notable__title, .oss__title { padding-top: 16px; border-top: 1px solid var(--rule); margin-bottom: 28px; color: var(--ink); }
.notable__grid, .oss__grid { list-style: none; display: grid; gap: 40px 32px; }
.mini { display: flex; flex-direction: column; align-items: flex-start; }
.mini > .link-arrow { margin-top: auto; }
.mini__plate { width: 100%; margin-bottom: 16px; }
.mini__title { margin-top: 8px; font: 600 1.0625rem/1.3 var(--font-sans); }
.mini__title a { text-decoration: none; }
.mini__title a:hover { text-decoration: underline 1px var(--accent); }
.mini__note { margin-top: 6px; margin-bottom: 10px; max-width: 60ch; font: 400 var(--fs-ui)/1.5 var(--font-sans); color: var(--ink-2); }
.oss__card { padding-top: 16px; border-top: 1px solid var(--rule); font: 400 var(--fs-ui)/1.55 var(--font-sans); color: var(--ink-2); }
.oss__card > * + * { margin-top: 8px; }
.oss__card > p { max-width: 60ch; }
.oss__name { font: 600 var(--fs-title)/1.3 var(--font-sans); color: var(--ink); }
.oss__name a { text-decoration: none; }
.oss__name a:hover { text-decoration: underline 1px var(--accent); text-underline-offset: .18em; }
.oss__url { display: flex; align-items: center; gap: 6px; font: 500 12px/1.4 var(--font-sans); color: var(--ink-3); overflow-wrap: anywhere; }
@media (min-width: 840px) {
  .notable__grid, .oss__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 11. Publications: filters, year groups, cards ---------- */
.pub-controls { display: grid; gap: 14px; margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 14px; border: 1px solid var(--rule-strong); border-radius: var(--r-pill);
  background: transparent; color: var(--ink-2); font: 500 var(--fs-sm)/1 var(--font-sans);
  transition: background-color var(--dur-1), color var(--dur-1), border-color var(--dur-1);
}
.chip::before { content: ""; position: absolute; inset: -6px -2px; }
.chip:hover { color: var(--ink); border-color: var(--control-border); }
.chip__count { font: 500 12px/1 var(--font-sans); color: var(--ink-3); font-variant-numeric: tabular-nums; }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip[aria-pressed="true"] .chip__count { color: var(--paper); opacity: .72; }
.pub-controls__row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 24px; }
.switch { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0; border: 0; background: none; color: var(--ink-2); font: 500 var(--fs-ui)/1 var(--font-sans); }
.switch__track { position: relative; width: 36px; height: 20px; border-radius: var(--r-pill); background: var(--control-border); transition: background-color var(--dur-2); }
.switch__thumb { position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--paper); transition: transform var(--dur-2) var(--ease-out); }
.switch[aria-checked="true"] { color: var(--ink); }
.switch[aria-checked="true"] .switch__track { background: var(--accent); }
.switch[aria-checked="true"] .switch__thumb { transform: translateX(16px); }
.pub-controls__status { font: 400 13px/1.4 var(--font-sans); color: var(--ink-3); }
.pub-controls__note { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font: 400 13px/1.45 var(--font-sans); color: var(--ink-3); }
html:not(.js) .chips, html:not(.js) .pub-controls__row { display: none; }

.pub-year { margin-top: 24px; }
.pub-year__label {
  display: flex; align-items: center; gap: 12px;
  font: 600 var(--fs-xs)/1 var(--font-sans); letter-spacing: var(--track-kicker); color: var(--ink-3);
}
.pub-year__label::after { content: ""; flex: 1; height: 1px; background: var(--rule); }
.pub { display: grid; gap: 16px; padding-block: 26px; border-top: 1px solid var(--rule); }
.pub-year__items > .pub:first-child { border-top: 0; }
.pub__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.venue { font: 600 var(--fs-xs)/1 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); }
.pub__title { font: 600 var(--fs-title)/1.38 var(--font-sans); }
.pub__title a { text-decoration: none; }
.pub__title a:hover { text-decoration: underline 1px var(--accent); text-underline-offset: .18em; }
.pub__authors { margin-top: 6px; font: 400 var(--fs-ui)/1.5 var(--font-sans); color: var(--ink-2); }
.pub__venue-full { margin-top: 4px; font: 400 var(--fs-sm)/1.45 var(--font-sans); color: var(--ink-3); }
.me { color: var(--ink); font-weight: 600; white-space: nowrap; }
.pub__tldr { margin-top: 8px; font-size: 1rem; line-height: 1.5; font-style: italic; color: var(--ink-2); }
.pub__links { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 8px; margin-top: 14px; }
.pub:hover .plate__mat { border-color: var(--rule-strong); }
.pub > .plate { align-self: start; }

.bib > summary { list-style: none; cursor: pointer; }
.bib > summary::-webkit-details-marker { display: none; }
.bib > summary::after { content: ""; width: 6px; height: 6px; margin: -3px 0 0 2px; border: solid currentColor; border-width: 0 1.25px 1.25px 0; transform: rotate(45deg); transition: transform var(--dur-2); }
.bib[open] { flex-basis: 100%; }
.bib[open] > summary { color: var(--ink); border-color: var(--control-border); }
.bib[open] > summary::after { transform: rotate(-135deg); margin-top: 3px; }
.bib .code-wrap { margin-top: 10px; }
.bib .code { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12.5px; }

@media (min-width: 600px) {
  .pub:has(> .plate) { grid-template-columns: 220px minmax(0, 1fr); column-gap: 24px; }
}
@media (min-width: 1024px) {
  .pub-year { margin-top: 0; }
  .pub-year:not([hidden]) ~ .pub-year:not([hidden]) { border-top: 1px solid var(--rule); }
  .pub-year__label {
    position: sticky; top: 96px; align-self: start; display: block; padding-top: 32px;
    font: 400 2.5rem/1 var(--font-serif); letter-spacing: -.01em; color: var(--ink-3);
    font-variant-numeric: lining-nums tabular-nums;
  }
  .pub-year__label::after { content: none; }
  .pub { padding-block: 30px; }
  .pub:has(> .plate) { grid-template-columns: 280px minmax(0, 1fr); column-gap: 32px; }
}

/* ---------- 12. Vision band: essay, pull quote, in-progress cards, schematics ---------- */
.section:has(+ .band) { padding-bottom: var(--section-y); }
.band { background: var(--paper-2); border-block: 1px solid var(--rule); padding-top: calc(var(--section-y) * .75); padding-bottom: calc(var(--section-y) * .75); }
.band + .section { padding-top: calc(var(--section-y) * .5); }
.essay > * { max-width: var(--measure); }
.essay p + p { margin-top: 1.1em; }
.essay__first::first-letter {
  float: left; margin: .1em .08em 0 -.02em; font-size: 3.3em; line-height: .8; font-weight: 400; color: var(--accent);
  font-variant-numeric: lining-nums;
}
.pullquote { margin: 40px 0; padding-left: 24px; border-left: 3px solid var(--accent); }
.pullquote p { font-size: var(--fs-h3); line-height: 1.25; font-style: italic; color: var(--ink); letter-spacing: -.005em; }
@media (min-width: 1024px) {
  .essay { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); }
  .essay > * { grid-column: 4 / 11; }
  .essay > .pullquote { grid-column: 2 / 11; max-width: none; margin: 48px 0; }
}

.progress-grid, .teaser-grid { display: grid; gap: 24px; }
@media (min-width: 840px) { .progress-grid, .teaser-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card-progress {
  display: flex; flex-direction: column; align-items: flex-start; gap: 0;
  padding: 24px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md);
  font: 400 var(--fs-cap)/1.55 var(--font-sans); color: var(--ink-2);
}
.card-progress > * { max-width: 100%; }
.card-progress__title { margin-top: 14px; font-size: clamp(1.25rem, 1.1rem + .45vw, 1.55rem); line-height: 1.22; letter-spacing: -.01em; color: var(--ink); }
.card-progress p { margin-top: 0; }
.card-progress__text { margin-top: 12px; }
.card-progress__cta { margin-top: auto; padding-top: 20px; }

.schematic__svg { width: 100%; height: auto; padding: 10px; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-sm); overflow: visible; }
.sx-label { font: 500 13px var(--font-sans); fill: var(--ink-2); }
.sx-label--box { font-weight: 600; fill: var(--ink); }
.sx-label--acc { font-weight: 600; fill: var(--accent); }
.sx-label--muted { fill: var(--ink-3); font-style: normal; font-size: 11.5px; }
.sx-label--mono { font: 600 11px var(--font-sans); letter-spacing: .04em; text-transform: uppercase; fill: var(--ink-3); }
.sx-label--quote { font: italic 400 12.5px var(--font-sans); fill: var(--ink-2); }
.sx-box { fill: var(--surface); stroke: var(--ink-3); stroke-width: 1.25; }
.sx-box--strong { fill: var(--surface); stroke: var(--ink); stroke-width: 1.5; }
.sx-box--acc { fill: var(--accent-wash); stroke: var(--accent); stroke-width: 1.5; }
.sx-line { fill: none; stroke: var(--ink-3); stroke-width: 1.25; }
.sx-line--dashed { stroke-dasharray: 3 3; }
.sx-flow { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-dasharray: 4 4; }
.sx-head { fill: var(--ink-3); }
.sx-head-acc { fill: var(--accent); }
.sx-mem rect { fill: var(--data-memory); }
.sx-mem .sx-mem--new { fill: var(--data-focus); }
.sx-mem .sx-mem--empty { fill: none; stroke: var(--data-memory); stroke-width: 1.25; stroke-dasharray: 2 2; }
@media (prefers-reduced-motion: no-preference) {
  :is(.card-progress, .feature):is(:hover, :focus-within) .sx-flow { animation: sx-dash 1.2s linear infinite; }
}
@keyframes sx-dash { to { stroke-dashoffset: -16; } }

/* ---------- 13. Collaborate: open problems, ways, contact ---------- */
.problems { list-style: none; }
.problem { display: grid; gap: 6px 0; padding: 28px 0; border-top: 1px solid var(--rule); }
.problem:last-child { border-bottom: 1px solid var(--rule); }
.problem__num { font: 400 2rem/1 var(--font-serif); color: var(--ink-3); font-variant-numeric: lining-nums; }
.problem__title { font-size: var(--fs-lede); font-weight: 600; line-height: 1.3; }
.problem__body > p { margin-top: 8px; max-width: 44rem; color: var(--ink-2); }
.problem__fit { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 16px 0 14px; }
.problem__fit-label { font: 500 13px/1.3 var(--font-sans); color: var(--ink-3); }
@media (min-width: 1024px) {
  .problem { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); padding: 32px 0; }
  .problem__num { grid-column: 1 / 4; font-size: 2.75rem; }
  .problem__body { grid-column: 4 / -1; }
}

.problems--teaser .problem { padding: 18px 0; }
.problems--teaser .problem__title a { color: var(--ink); text-decoration: none; }
.problems--teaser .problem__title a .icon { margin-left: 6px; vertical-align: -.1em; color: var(--accent); transition: transform var(--dur-2) var(--ease-out); }
.problems--teaser .problem__title a:hover { color: var(--accent); text-decoration: underline 1px; text-underline-offset: .18em; }
.problems--teaser .problem__title a:hover .icon { transform: translateX(3px); }
.problems--teaser .problem__body { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }
@media (min-width: 1024px) {
  .problems--teaser .problem { padding: 20px 0; align-items: center; }
  .problems--teaser .problem__num { font-size: 2rem; }
}

.ways { display: grid; gap: 16px 32px; margin-top: 36px; font: 400 var(--fs-cap)/1.55 var(--font-sans); color: var(--ink-2); }
.ways__title { grid-column: 1 / -1; margin-bottom: -4px; }
.ways p { margin: 0; }
.ways b { display: block; color: var(--ink); font-family: var(--font-sans); font-weight: 600; font-size: 1rem; margin-bottom: 4px; }
@media (min-width: 840px) { .ways { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); } }

.contact { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; margin-top: 36px; padding: 28px 0; border-block: 1px solid var(--rule); }
.contact__mail { display: flex; align-items: center; gap: 8px; min-width: 0; }
.contact__email { font-family: var(--font-serif); font-size: var(--fs-h3); line-height: 1.2; letter-spacing: -.01em; overflow-wrap: anywhere; }
.contact__addr { font: 400 var(--fs-ui)/1.5 var(--font-sans); color: var(--ink-3); }
.teaser__more { margin-top: 28px; }

/* ---------- 14. News, service & background, footer ---------- */
.news { list-style: none; }
.news__item { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 16px; padding: 14px 0; border-top: 1px solid var(--rule); }
.news > .news__item:last-child { border-bottom: 1px solid var(--rule); }
.news__item :is(time, .news__date) { padding-top: .3em; font: 600 var(--fs-xs)/1.3 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.news__item p { font-size: var(--fs-body); line-height: 1.55; }
@media (max-width: 599.98px) {
  .news__item { grid-template-columns: 1fr; gap: 2px; }
  .news__item :is(time, .news__date) { padding-top: 0; }
}
.news__more { margin-top: 16px; }
.news__more > summary {
  display: inline-flex; align-items: center; gap: 8px; min-height: 36px; cursor: pointer; list-style: none;
  font: 500 var(--fs-ui)/1 var(--font-sans); color: var(--ink-2);
}
.news__more > summary::-webkit-details-marker { display: none; }
.news__more > summary::before { content: "+"; font: 600 16px/1 var(--font-sans); color: var(--accent); }
.news__more[open] > summary::before { content: "-"; }
.news__more > summary:hover { color: var(--accent); }
.news__more .news { margin-top: 8px; }

.about-grid { display: grid; gap: 36px 40px; }
@media (min-width: 840px) { .about-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.about-block__title { margin-bottom: 12px; font-size: var(--fs-title); font-weight: 600; }
.about-award { margin-top: var(--s-3); font: 400 var(--fs-ui)/1.5 var(--font-sans); color: var(--ink-2); }
.about-award b { color: var(--ink); font-weight: 600; }
.about-list { list-style: none; display: grid; gap: 12px; font: 400 var(--fs-cap)/1.55 var(--font-sans); color: var(--ink-2); }
.about-list b { color: var(--ink); font-weight: 600; }
.hosts { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule); }
.hosts__bio { max-width: 44rem; padding-left: 20px; border-left: 2px solid var(--rule-strong); color: var(--ink-2); }
.hosts__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

.site-footer { border-top: 1px solid var(--rule); padding-block: 48px; font: 400 var(--fs-ui)/1.5 var(--font-sans); color: var(--ink-2); }
.site-footer__grid { display: grid; gap: 24px 40px; }
.site-footer__id { display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--font-serif); font-size: 1.0625rem; }
.site-footer__links { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; margin-left: -12px; }
.site-footer__links a { display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--r-sm); color: var(--ink-2); }
.site-footer__links a:hover { color: var(--accent); background: var(--paper-2); }
.site-footer__links .icon { width: 18px; height: 18px; }
.site-footer__meta .link-quiet { font-size: inherit; }
.site-footer__colophon { margin-top: 8px; font-size: 13px; color: var(--ink-3); max-width: 46ch; }
.site-footer__credit { font-size: 11.5px; opacity: .85; }
@media (min-width: 840px) {
  .site-footer__grid { grid-template-columns: 1.1fr auto 1.2fr; align-items: start; }
  .site-footer__links { margin: -12px 0 0; }
  .site-footer__meta { justify-self: end; text-align: right; }
}

/* ---------- 15. Motion, accessibility, print ---------- */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  html.reveal-on .reveal:not(.is-in) { opacity: 0; transform: translateY(12px); }
  html.reveal-on .reveal {
    transition: opacity var(--dur-4) var(--ease-out), transform var(--dur-4) var(--ease-out);
    transition-delay: calc(var(--i, 0) * 60ms);
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .plate__zoom:hover .plate__mat { transform: none; }
}
html.theme-transition, html.theme-transition *, html.theme-transition *::before, html.theme-transition *::after {
  transition: background-color 200ms, color 200ms, border-color 200ms, fill 200ms, stroke 200ms !important;
}

@media print {
  .site-header, .skip-link, #throughline, .theme-toggle, .pub-controls, .hero__ctas, .code-copy, .copy-btn { display: none !important; }
  body { font-size: 11pt; }
  .band { background: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .pub { break-inside: avoid; grid-template-columns: 1fr !important; }
  .pub .plate { display: none; }
  .bib, .throughline__hint, .career__hint { display: none !important; }
  .career[data-ready] { overflow: visible; }
  .career[data-ready] .career__canvas { zoom: .55; break-inside: avoid; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* =====================================================================
   16. Throughline figure (rendered by /assets/js/throughline.js)
   ===================================================================== */
.tl { width: 100%; height: auto; overflow: visible; font-family: var(--font-sans); font-variant-numeric: lining-nums tabular-nums; }
.tl__grid { stroke: var(--rule); stroke-dasharray: 2 6; }
.tl__guide { stroke: var(--rule-strong); stroke-dasharray: 1 5; stroke-linecap: round; }
.tl__year, .tl__lane { font: 600 11px/1 var(--font-sans); letter-spacing: .08em; fill: var(--ink-3); }
.tl__year--next, .tl__lane--autonomy, .tl__lane--act { fill: var(--accent); }
.tl__lane--inline { fill: var(--ink); }
.tl__lane--inline.tl__lane--autonomy, .tl__lane--inline.tl__lane--act { fill: var(--accent); }
.tl__lanetext, .tl__hint { font: 400 11px/1 var(--font-sans); fill: var(--ink-2); }
.tl__hint { fill: var(--ink-3); }
.tl__next { fill: url(#tl-hatch); stroke: var(--accent); stroke-dasharray: 4 4; }
.tl__hatch { stroke: var(--rule-strong); stroke-width: 1; }

.tl__thread { fill: none; stroke: var(--ink-3); stroke-opacity: .7; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.tl__thread--future { stroke: var(--accent); stroke-opacity: 1; stroke-dasharray: 5 5; stroke-linecap: butt; }

.tl__node { cursor: pointer; outline: none; text-decoration: none; transition: opacity var(--dur-2) var(--ease-out); }
.tl__glyph { transform-box: fill-box; transform-origin: center; transition: transform var(--dur-2) var(--ease-out); }
.tl__hit { fill: transparent; }
.tl__dot { fill: var(--ink); stroke: var(--paper); stroke-width: 4; paint-order: stroke; }
.tl__node--flag .tl__dot { fill: var(--accent); }
.tl__node--future .tl__dot { fill: var(--paper); stroke: var(--accent); stroke-width: 2; }
.tl__node--open .tl__dot { fill: var(--paper); stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 3.3 2.35; }
.tl__plus { stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; }
.tl__ring { fill: none; stroke: var(--accent); stroke-width: 2; opacity: 0; }
.tl__node:focus-visible .tl__ring { opacity: 1; }
.tl__node.is-active .tl__glyph { transform: scale(1.2); }
.tl__node.is-dim { opacity: .35; }
.tl__label {
  font: 600 11.5px/1 var(--font-sans); fill: var(--ink);
  paint-order: stroke; stroke: var(--paper); stroke-width: 4px; stroke-linejoin: round;
  transition: opacity var(--dur-2) var(--ease-out);
}
.tl__node--future .tl__label, .tl__node--open .tl__label { fill: var(--accent); }
.tl__node--open .tl__label { stroke-width: 7px; }
.tl__node--quiet .tl__label, .tl__node.is-muted .tl__label { opacity: 0; pointer-events: none; }
.tl__node--quiet.is-active .tl__label { opacity: 1; }
.tl__node:hover .tl__label { fill: var(--accent); }
.tl.is-pending :is(.tl__node, .tl__thread) { opacity: 0; }

.tl-pop {
  position: absolute; left: var(--x, 0); top: var(--y, 0); z-index: var(--z-pop);
  width: 320px; max-width: 100%; padding: 20px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); box-shadow: var(--shadow-pop);
  animation: tl-pop-in 160ms var(--ease-out);
}
.tl-pop[hidden] { display: none; }
@keyframes tl-pop-in { from { opacity: 0; transform: translateY(4px); } }
.tl-pop__plate { --mat-pad: 8px; display: block; margin-bottom: 14px; }
.tl-pop__plate[hidden] { display: none; }
.tl-pop__plate .plate__mat { box-shadow: none; }
.tl-pop .tl-pop__title { margin-top: 6px; font: 600 15px/1.35 var(--font-sans); color: var(--ink); }
.tl-pop .tl-pop__note { margin-top: 6px; font: 400 var(--fs-ui)/1.5 var(--font-sans); color: var(--ink-2); }
.tl-pop__cta { margin-top: 12px; }
.tl-pop__arrow {
  position: absolute; left: var(--arrow-x, 50%); bottom: -6px; width: 11px; height: 11px; margin-left: -5.5px;
  background: var(--surface); border: solid var(--rule); border-width: 0 1px 1px 0; transform: rotate(45deg);
}
.tl-pop.is-below .tl-pop__arrow { bottom: auto; top: -6px; border-width: 1px 0 0 1px; }

.tl-rail { list-style: none; border-top: 1px solid var(--rule); padding-top: 4px; }
.tl-rail__lane { position: relative; padding: 12px 0 6px 32px; }
.tl-rail__lane::before {
  content: ""; position: absolute; left: 7px; top: 0; bottom: 0; width: 1px; background: var(--rule-strong);
}
.tl-rail__lane:first-child::before { top: 22px; }
.tl-rail__lane:last-child::before { bottom: 6px; }
.tl-rail__lane.is-future::before {
  width: 1.5px; left: 6.75px;
  background: repeating-linear-gradient(to bottom, var(--accent) 0 5px, transparent 5px 10px);
}
.tl-rail__item--open::after { content: ""; position: absolute; left: -26px; top: 17px; bottom: -14px; width: 4px; background: var(--paper); }
.tl-rail__name { position: relative; color: var(--ink); }
.tl-rail__name::before { content: ""; position: absolute; left: -29px; top: 50%; width: 9px; height: 1px; background: var(--ink-3); }
.tl-rail__lane.is-future .tl-rail__name { color: var(--accent); }
.tl-rail__lane.is-future .tl-rail__name::before { background: var(--accent); }
.tl-rail__text { margin-top: 3px; font: 400 var(--fs-sm)/1.45 var(--font-sans); color: var(--ink-2); }
.tl-rail__list { list-style: none; margin-top: 2px; }
.tl-rail__item { position: relative; }
.tl-rail__item::before {
  content: ""; position: absolute; left: -24.5px; top: 17px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--ink); box-shadow: 0 0 0 2px var(--paper); transform: translate(-50%, -50%);
}
.tl-rail__item--flag::before { width: 12px; height: 12px; background: var(--accent); }
.tl-rail__item--future::before { width: 12px; height: 12px; background: var(--paper); border: 2px solid var(--accent); }
.tl-rail__item--open::before {
  content: "+"; width: 20px; height: 20px; display: grid; place-items: center;
  background: var(--paper); border: 1.5px dashed var(--accent); color: var(--accent);
  font: 500 14px/1 var(--font-sans);
}
.tl-rail__row {
  display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 10px; min-height: 34px; padding: 7px 0;
  color: var(--ink); text-decoration: none;
}
.tl-rail__label { font: 600 var(--fs-ui)/20px var(--font-sans); }
.tl-rail__row:hover .tl-rail__label { color: var(--accent); }
.tl-rail__item--flag .tl-rail__label, .tl-rail__item--future .tl-rail__label, .tl-rail__item--open .tl-rail__label { color: var(--accent); }
.tl-rail__meta { font: 600 var(--fs-xs)/1.3 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); }
.tl-rail__note { margin: -3px 0 6px; max-width: 34rem; font: 400 var(--fs-sm)/1.45 var(--font-sans); color: var(--ink-2); }

/* =====================================================================
   17. Education and experience (/assets/js/career.js)
   ===================================================================== */
#experience .section-head { margin-bottom: 8px; }
.career__lane + .career__lane { margin-top: 24px; }
.career__lane-name {
  margin-bottom: 12px; font: 600 var(--fs-xs)/1.3 var(--font-sans); letter-spacing: var(--track-kicker);
  text-transform: uppercase; color: var(--ink-3);
}
.career__list { list-style: none; display: grid; gap: 14px; }
.career__item { display: flex; align-items: flex-start; gap: 12px; }
.career__badge {
  flex: none; display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--rule-strong); background: var(--surface); color: var(--ink);
}
.career__badge:has(img, svg) { background: var(--mat); }
.career__badge img { width: 22px; height: 22px; object-fit: contain; }
.career__text { display: grid; font: 400 var(--fs-sm)/1.35 var(--font-sans); color: var(--ink-2); }
.career__org { font: 600 var(--fs-ui)/1.3 var(--font-sans); color: var(--ink); }
.career__sub { color: var(--ink-3); font-weight: 400; }
.career__years { font: 500 var(--fs-xs)/1.5 var(--font-sans); letter-spacing: var(--track-kicker); color: var(--ink-3); font-variant-numeric: tabular-nums; }

.career[data-ready] {
  --lift: 14px;
  --off: 20px;
  --h: 292px;
  position: relative; overflow: auto hidden; overscroll-behavior-x: contain; scrollbar-width: thin;
}
.career[data-ready] .career__canvas { position: relative; min-width: 1160px; height: var(--h); margin: 0 2px; }
.career[data-ready] .career__lane { position: absolute; inset: 0; margin: 0; }
.career[data-ready] .career__lane[data-lane="edu"] { --track: 74px; }
.career[data-ready] .career__lane[data-lane="work"] { --track: 176px; }
.career[data-ready] .career__lane::before {
  content: ""; position: absolute; left: 0; right: 0; top: var(--track); height: 1px; background: var(--rule-strong);
}
.career[data-ready] .career__lane-name {
  position: sticky; left: 0; z-index: 4; width: max-content;
  margin: calc(var(--track) + 14px) 0 0; padding-right: 4px; background: var(--paper);
}
.career[data-ready] [data-lane="work"] .career__lane-name { margin-top: calc(var(--track) - 20px); }
.career-block { position: relative; }
.career-block::before {
  content: ""; position: absolute; z-index: 3; left: 0; top: 0; width: 32px; height: var(--h, 292px); pointer-events: none;
  background: linear-gradient(90deg, var(--paper), color-mix(in srgb, var(--paper) 0%, transparent));
  opacity: 0; transition: opacity var(--dur-2);
}
.career-block:has(.career[data-scrolled])::before { opacity: 1; }
.career[data-ready] .career__list { display: block; }
.career[data-ready] .career__text { white-space: nowrap; }
.career[data-ready] .career__years { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.career__axis { position: absolute; inset: 0; list-style: none; pointer-events: none; }
.career__axis li {
  position: absolute; left: calc(var(--x) * 1%); width: calc((var(--y) - var(--x)) * 1%); top: 0; bottom: 0;
  border-left: 1px dashed var(--rule); display: flex; align-items: flex-end; justify-content: center;
  font: 500 11px/1.4 var(--font-sans); letter-spacing: .06em; color: var(--ink-3); font-variant-numeric: tabular-nums;
}
.career__axis li:first-child { border-left-color: transparent; }

.career[data-ready] .career__item {
  position: absolute; display: block; z-index: 1;
  left: calc(var(--x) * 1%); width: calc((var(--y) - var(--x)) * 1%);
  top: calc(var(--track) - 2px); height: 5px; border-radius: 3px; background: var(--ink-3);
}
.career[data-ready] .career__item::before {
  content: ""; position: absolute; left: -6px; top: -3.5px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--ink); box-shadow: 0 0 0 3px var(--paper);
}
.career[data-ready] .career__item::after {
  content: ""; position: absolute; left: 50%; width: 1px; background: var(--rule-strong);
}
.career[data-ready] .career__item[data-side="below"]::after { top: 9px; height: calc(var(--off) - 12px); }
.career[data-ready] .career__item[data-side="above"]::after { bottom: 9px; height: calc(var(--off) - 12px); }
.career[data-ready] .career__item--point { width: 0; }
.career[data-ready] [data-lane="edu"] .career__item {
  top: calc(var(--track) - 4px); height: 9px; border-radius: 5px;
  background: var(--paper); border: 1.5px solid var(--ink-3);
}
.career[data-ready] [data-lane="edu"] .career__item::before {
  left: -7px; top: -3.5px; background: var(--paper); border: 2px solid var(--ink);
}
.career[data-ready] [data-lane="edu"] .career__item[data-side="above"]::after { bottom: 11px; }
.career[data-ready] .career__item[data-current] {
  background: linear-gradient(90deg, var(--accent) calc(var(--now, 70) * 1%),
    color-mix(in srgb, var(--accent) 0%, transparent) min(calc(var(--now, 70) * 1% + 56px), 100%));
}
.career[data-ready] .career__item[data-current]::before { background: var(--accent); }
.career[data-ready] .career__item[data-current]::after { left: 0; }
.career[data-ready] .career__item[data-overlap] {
  top: calc(var(--track) - var(--lift)); height: var(--lift); background: none; border-radius: 6px 6px 0 0;
  border: 1.5px dashed var(--ink-3); border-bottom: 0;
}
.career[data-ready] .career__item[data-overlap]::before { top: -6.5px; left: calc(50% - 6px); }
.career[data-ready] .career__item[data-overlap]::after { display: none; }

.career[data-ready] .career__label {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: flex; align-items: flex-start; gap: 10px; width: max-content;
}
.career[data-ready] .career__item[data-side="below"] .career__label { top: var(--off); }
.career[data-ready] .career__item[data-side="above"] .career__label { bottom: var(--off); }
.career[data-ready] [data-lane="edu"] .career__item[data-side="above"] .career__label { bottom: calc(var(--off) + 2px); }
.career[data-ready] .career__item[data-overlap][data-side="above"] .career__label { bottom: calc(var(--off) + 3px); }
.career[data-ready] .career__item--start .career__label { left: -15px; transform: none; }
.career[data-ready] .career__item--start::after { left: 0; }
.career[data-ready] .career__item--end .career__label { left: auto; right: 0; transform: none; }
.career[data-ready] .career__item--before .career__label {
  left: auto; right: calc(100% - 15px); transform: none; flex-direction: row-reverse; text-align: right;
}
.career[data-ready] .career__item--before::after { left: 0; }
.career[data-ready] .career__item[data-current] .career__badge { border-color: var(--accent); }

.career[data-ready]:focus-visible { outline-offset: 4px; }
.career__hint { display: none; margin-top: 8px; font: 600 var(--fs-xs)/1.4 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); }
.career[data-overflow] + .career__hint { display: block; }

/* =====================================================================
   18. Dedicated Subpages (/phd/, /teaching.html, /publications.html)
   ===================================================================== */
.subhero { padding-top: clamp(36px, 6vw, 80px); padding-bottom: var(--s-6); }
.subhero__crumb { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.subhero__title { font-size: var(--fs-h1); font-weight: 400; line-height: 1.06; letter-spacing: -.022em; max-width: 24ch; }
.subhero__deck { margin-top: 18px; max-width: 42rem; font-size: var(--fs-lede); line-height: 1.45; color: var(--ink-2); }
.subhero__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }

.faq-list { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.faq-item { border-bottom: 1px solid var(--rule); padding: 18px 0; }
.faq-question {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  cursor: pointer; list-style: none; font: 600 var(--fs-title)/1.4 var(--font-sans); color: var(--ink);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after { content: "+"; font: 600 18px/1 var(--font-sans); color: var(--accent); flex: none; }
.faq-item[open] .faq-question::after { content: "−"; }
.faq-question:hover { color: var(--accent); }
.faq-answer { margin-top: 12px; max-width: 44rem; font: 400 var(--fs-cap)/1.6 var(--font-sans); color: var(--ink-2); }

.students-grid { display: grid; gap: 20px; }
@media (min-width: 720px) { .students-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.student-card {
  padding: 20px 24px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md);
  display: flex; flex-direction: column; gap: 10px;
}
.student-card__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.student-card__name { font: 600 1.05rem/1.3 var(--font-sans); color: var(--ink); }
.student-card__meta { font: 600 var(--fs-xs)/1.3 var(--font-sans); letter-spacing: var(--track-kicker); text-transform: uppercase; color: var(--ink-3); }
.student-card__proj { font: italic 400 var(--fs-cap)/1.5 var(--font-sans); color: var(--ink-2); }

.bullet-list { list-style: none; display: grid; gap: 8px; margin-top: 12px; font: 400 var(--fs-cap)/1.55 var(--font-sans); color: var(--ink-2); }
.bullet-list li { position: relative; padding-left: 16px; }
.bullet-list li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border: 1.25px solid var(--accent); border-radius: 50%; }
.bullet-list b, .bullet-list strong { color: var(--ink); }