:root {
  color-scheme: light;
  --ink: #283730;
  --muted: #5b6861;
  --accent: #3a6967;
  --accent-dark: #264f50;
  --warm: #805332;
  --line: #dddcd5;
  --paper: #faf9f6;
  --soft: #f2eee7;
  --display: Georgia, "Times New Roman", serif;
  --body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 1rem/1.56 var(--body); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--accent-dark); text-underline-offset: .18em; }
a:hover { color: #714d32; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--warm); outline-offset: 3px; }
button { font: inherit; cursor: pointer; }
.skip-link { position: fixed; z-index: 100; top: -5rem; left: 1rem; padding: .6rem 1rem; color: white; background: var(--ink); }
.skip-link:focus { top: 1rem; }
.site-shell { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }
.section-wrap, .header-inner, .footer-inner { width: min(100% - 3rem, 1160px); margin-inline: auto; }
.eyebrow { margin: 0; color: var(--accent); font-size: .88rem; font-weight: 600; letter-spacing: .025em; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { color: var(--ink); overflow-wrap: anywhere; }
h1, h2 { font-family: var(--display); font-weight: 400; letter-spacing: -.035em; }

.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 2rem; min-height: 72px; }
.wordmark { display: inline-flex; align-items: center; gap: .72rem; min-width: 0; color: var(--ink); text-decoration: none; }
.wordmark:hover { color: var(--ink); }
.wordmark-mark { display: block; flex: none; width: 2.35rem; height: 2.35rem; }
.wordmark-name { min-width: 0; font: 400 1.18rem/1.15 var(--display); }
.primary-nav { display: flex; align-items: center; flex-wrap: wrap; column-gap: 1.8rem; }
.primary-nav a { display: inline-flex; align-items: center; min-height: 44px; border-bottom: 2px solid transparent; color: var(--muted); font-size: .9rem; text-decoration: none; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { border-bottom-color: var(--accent); color: var(--accent-dark); }

.hero-home { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 330px); align-items: center; gap: clamp(2rem, 7vw, 6rem); padding-block: clamp(2.7rem, 5vw, 4.6rem) 2.4rem; }
.hero-copy h1 { margin: .45rem 0 1rem; font-size: clamp(3.55rem, 5.9vw, 5.7rem); line-height: 1.02; }
.hero-copy h1 em { font-weight: 400; }
.hero-intro { max-width: 39rem; margin-bottom: 1.1rem; font-size: clamp(1.08rem, 1.5vw, 1.24rem); line-height: 1.55; }
.hero-links { display: flex; flex-wrap: wrap; gap: .4rem 1.35rem; margin-bottom: 1.45rem; }
.hero-links a { display: inline-flex; align-items: center; min-height: 38px; border-bottom: 1px solid var(--accent); font-size: .95rem; font-weight: 650; text-decoration: none; }
.hero-links a:hover { border-bottom-color: var(--warm); }
.hero-role { margin: 0 0 .3rem; color: var(--muted); font-size: .9rem; }
.hero-contact { max-width: 36rem; margin: 0; font-size: .94rem; line-height: 1.5; }
.hero-contact a { font-weight: 650; overflow-wrap: anywhere; }
.hero-portrait { margin: 0; padding: .55rem; border: 1px solid var(--line); background: white; box-shadow: 10px 10px 0 #e9e1d7; }
.hero-portrait img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }

.video-feature { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr); gap: clamp(1.4rem, 4vw, 3.3rem); align-items: center; padding: 1.15rem; border: 1px solid #e7e0d6; border-radius: 7px; background: var(--soft); }
.video-preview { position: relative; display: block; overflow: hidden; background: #333; border-radius: 3px; }
.video-preview img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .25s ease; }
.video-preview:hover img { transform: scale(1.025); }
.play-icon { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 3.8rem; height: 3.8rem; border-radius: 50%; background: rgba(250,249,246,.96); transform: translate(-50%, -50%); box-shadow: 0 3px 18px #0005; }
.play-icon::before { margin-left: 4px; border-top: 10px solid transparent; border-bottom: 10px solid transparent; border-left: 16px solid var(--accent-dark); content: ""; }
.video-feature-copy { padding-right: 1rem; }
.video-feature-copy h2 { max-width: 35rem; margin: .35rem 0 .6rem; font-size: clamp(1.55rem, 2.3vw, 2.2rem); line-height: 1.17; }
.video-feature-copy p:not(.eyebrow) { max-width: 36rem; margin: 0 0 .8rem; color: var(--muted); font-size: .96rem; }
.video-feature-links { display: flex; flex-wrap: wrap; gap: .4rem 1.35rem; font-size: .9rem; font-weight: 650; }

.research-block { padding-block: 3.4rem; border-bottom: 1px solid var(--line); }
.research-block h2 { margin: .18rem 0 1.05rem; font-size: clamp(2rem, 3vw, 2.75rem); line-height: 1.15; }
.research-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; max-width: 60rem; }
.research-columns p { margin: 0; font-size: .97rem; line-height: 1.66; }
.recent-block { display: grid; grid-template-columns: minmax(0, .35fr) minmax(0, 1fr); gap: 2.5rem; padding-block: 3.4rem 4rem; }
.section-heading h2 { margin: .18rem 0 .5rem; font-size: clamp(1.95rem, 3vw, 2.7rem); line-height: 1.15; }
.section-heading p:not(.eyebrow) { max-width: 18rem; color: var(--muted); font-size: .9rem; }
.section-heading p:last-child { margin: 0; }
.text-link { font-size: .9rem; font-weight: 650; }
.recent-browser { min-width: 0; }
.recent-list { max-height: 11.5rem; margin: 0; padding: 0 .7rem 0 0; overflow-y: auto; border-top: 1px solid var(--line); list-style: none; scrollbar-color: #9aa9a0 transparent; scrollbar-width: thin; }
.recent-list li { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: .8rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.recent-list span { color: var(--muted); font-size: .85rem; }
.recent-list a { color: var(--ink); font: 400 1.08rem/1.37 var(--display); text-decoration: none; overflow-wrap: anywhere; }
.recent-list a:hover { color: var(--accent-dark); text-decoration: underline; }
.recent-hint { margin: .45rem 0 0; color: var(--muted); font-size: .8rem; }
.recent-expand { display: none; margin-top: .75rem; padding: .45rem .75rem; border: 1px solid var(--accent); border-radius: 3px; background: transparent; color: var(--accent-dark); font-size: .9rem; font-weight: 650; }

.page-intro { padding-block: 2.8rem 1.7rem; border-bottom: 1px solid var(--line); }
.page-intro--image { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 29%); gap: 2.5rem; align-items: center; }
.page-intro h1 { margin: .2rem 0 .45rem; font-size: clamp(2.7rem, 4.5vw, 4.2rem); line-height: 1.07; }
.page-intro > div > p:not(.eyebrow), .page-intro > p:not(.eyebrow) { max-width: 44rem; margin: 0; color: var(--muted); font-size: 1rem; }
.intro-image { width: 100%; height: auto; border-radius: 3px; }
.intro-image--notepad { max-width: 250px; justify-self: end; }
.intro-image--sticks { justify-self: end; }
.page-talks .page-intro--image { grid-template-columns: minmax(0, 1fr) minmax(300px, 43%); }
.topic-filters { margin-top: 1.2rem; }
.topic-filters strong, .talk-guide strong { display: block; margin-bottom: .45rem; color: var(--warm); font-size: .92rem; font-weight: 700; }
.topic-buttons, .talk-guide-buttons { display: flex; flex-wrap: wrap; gap: .45rem; }
.topic-button, .talk-filter { min-height: 36px; padding: .35rem .7rem; border: 1px solid #b9c9c3; border-radius: 3px; background: #f5f7f3; color: var(--accent-dark); font-size: .86rem; font-weight: 600; line-height: 1.25; }
.topic-button:hover, .talk-filter:hover { border-color: var(--accent-dark); background: #eaf0eb; }
.topic-button[aria-pressed="true"], .talk-filter[aria-pressed="true"] { border-color: var(--accent-dark); background: var(--accent-dark); color: white; }
.section-jump { display: flex; flex-wrap: wrap; gap: .45rem 1.2rem; margin-top: 1.05rem; font-size: .9rem; }
.section-jump a { display: inline-flex; align-items: center; min-height: 32px; }
.coauthor-section { display: grid; grid-template-columns: 155px minmax(0, 1fr); gap: 1.4rem; padding-block: 1.4rem; border-bottom: 1px solid var(--line); scroll-margin-top: 1rem; }
.coauthor-section h2 { margin: .1rem 0 0; font: 400 1.35rem/1.2 var(--display); }
.coauthor-section ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem .85rem; margin: 0; padding: 0; list-style: none; }
.coauthor-section li { font-size: .91rem; line-height: 1.45; overflow-wrap: anywhere; }
.coauthor-count { padding: .05rem .2rem; border: 0; border-radius: 2px; background: transparent; color: var(--accent-dark); font-size: .83rem; font-weight: 700; }
.coauthor-count:hover, .coauthor-count[aria-pressed="true"] { background: var(--accent-dark); color: white; }
.filter-status { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; margin-top: 1.1rem; padding-block: .8rem; padding-inline: 1rem; border-left: 4px solid var(--accent); background: #eaf0eb; font-size: .94rem; font-weight: 650; scroll-margin-top: 1rem; }
.clear-filter, .clear-talk-filter { padding: .25rem 0; border: 0; background: transparent; color: var(--accent-dark); font-size: .86rem; font-weight: 700; text-decoration: underline; text-underline-offset: .18em; }
.pub-section { padding-block: 2rem .4rem; scroll-margin-top: 1rem; }
.list-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: .2rem 1.2rem; margin-bottom: .8rem; }
.list-heading h2 { margin: 0; font-size: clamp(1.8rem, 2.6vw, 2.45rem); line-height: 1.2; }
.list-heading p { margin: 0; color: var(--muted); font-size: .88rem; }
.paper-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.paper { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 155px; gap: 1.4rem; padding: .95rem 0 1.02rem; border-bottom: 1px solid var(--line); }
.paper--start { margin: .35rem -.8rem; padding-inline: .8rem; border: 1px solid #d8c5a7; border-left: 4px solid #a16b3c; border-radius: 3px; background: #f7f1e8; }
.paper--filtered { margin: .35rem -.8rem; padding-inline: .8rem; border: 1px solid #c5d6ce; border-left: 4px solid var(--accent); border-radius: 3px; background: #edf3ee; }
.paper-main { min-width: 0; }
.paper h3 { margin: 0 0 .26rem; font: 400 1.2rem/1.31 var(--display); letter-spacing: -.014em; }
.paper-start { display: inline-block; margin-left: .65rem; padding: .16rem .42rem; border-radius: 2px; background: #e8d8c0; color: #694522; font: 700 .7rem/1.25 var(--body); letter-spacing: .01em; vertical-align: .15em; white-space: nowrap; }
.paper-meta { display: flex; flex-wrap: wrap; column-gap: 1rem; row-gap: .05rem; }
.paper-authors, .paper-citation { margin: 0; font-size: .94rem; line-height: 1.42; overflow-wrap: anywhere; }
.paper-authors { color: var(--ink); }
.paper-citation { color: var(--muted); }
.paper-citation cite { color: var(--ink); font-style: italic; font-weight: 650; }
.paper-status { font-style: italic; }
.paper-actions { display: flex; flex-direction: column; align-items: flex-end; gap: .12rem; padding-top: .08rem; white-space: nowrap; }
.paper-year { color: var(--muted); font-size: .83rem; }
.paper-version-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .15rem .85rem; }
.paper-version-links a { display: inline-flex; align-items: center; min-height: 32px; font-size: .88rem; font-weight: 650; }
.paper-talks { display: flex; align-items: baseline; flex-wrap: wrap; gap: .08rem .78rem; margin-top: .35rem; font-size: .84rem; line-height: 1.45; }
.paper-talks span { color: var(--muted); font-weight: 650; }
.paper-summary { margin-top: .3rem; font-size: .86rem; }
.paper-summary summary { display: inline-block; color: var(--accent-dark); font-weight: 650; text-decoration: underline; text-underline-offset: .16em; cursor: pointer; }
.paper-summary summary::before { display: inline-block; margin-right: .35rem; content: "+"; font-weight: 700; text-decoration: none; }
.paper-summary[open] summary::before { content: "−"; }
.paper-summary p { max-width: 53rem; margin: .55rem 0 .15rem; padding: .75rem 1rem; border-left: 2px solid #c4a584; background: var(--soft); color: var(--ink); font-size: .95rem; line-height: 1.55; }

.talk-guide { display: block; padding-block: 1.1rem; border-bottom: 1px solid var(--line); }
.talk-section { padding-bottom: 3.7rem; }
.talk-list { margin: 0; padding: 0; list-style: none; }
.talk-item { display: grid; grid-template-columns: 130px minmax(0, 1fr) 160px; gap: 1.4rem; padding: 1rem 0; border-bottom: 1px solid var(--line); scroll-margin-top: 1rem; }
.talk-item--filtered { margin: .4rem -.8rem; padding-inline: .8rem; border: 1px solid #c5d6ce; border-left: 4px solid var(--accent); background: #edf3ee; }
.talk-item time { padding-top: .1rem; color: var(--muted); font-size: .87rem; }
.talk-item h2 { margin: 0 0 .22rem; font-size: 1.22rem; line-height: 1.29; }
.talk-venue, .talk-note { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.talk-note { font-style: italic; }
.talk-links { display: flex; justify-content: flex-end; align-content: start; flex-wrap: wrap; gap: .1rem .7rem; }
.talk-links a { display: inline-flex; align-items: center; min-height: 32px; font-size: .87rem; font-weight: 650; }

.cv-sections { padding-block: .3rem 3.3rem; }
.cv-sections section { display: grid; grid-template-columns: 205px minmax(0, 1fr); gap: 2.2rem; padding-block: 1.4rem; border-bottom: 1px solid var(--line); }
.cv-sections section:last-child { border-bottom: 0; }
.cv-sections h2 { margin: .1rem 0 0; font-size: 1.75rem; line-height: 1.2; overflow-wrap: normal; }
.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 125px minmax(0, 1fr); gap: 1.1rem; padding: .57rem 0; border-bottom: 1px solid var(--line); }
.timeline li:last-child { border-bottom: 0; }
.timeline-date { padding-top: .12rem; color: var(--muted); font-size: .86rem; font-variant-numeric: tabular-nums; }
.timeline h3 { margin: 0 0 .08rem; font: 400 1.09rem/1.32 var(--display); }
.timeline p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.42; overflow-wrap: anywhere; }

.site-footer { border-top: 1px solid var(--line); background: var(--soft); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .6rem 1.5rem; padding-block: 1.25rem; }
.footer-email { font-size: .9rem; overflow-wrap: anywhere; }
.footer-links { display: flex; flex-wrap: wrap; gap: .35rem 1.2rem; }
.footer-links a { display: inline-flex; align-items: center; min-height: 32px; font-size: .87rem; }

@media (max-width: 860px) {
  .header-inner { flex-wrap: wrap; gap: 0 1rem; padding-top: .55rem; }
  .primary-nav { width: 100%; }
  .hero-home { grid-template-columns: minmax(0, 1fr) minmax(190px, .55fr); gap: 2rem; }
  .hero-copy h1 { font-size: clamp(3rem, 6.5vw, 4.4rem); }
  .coauthor-section ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .talk-item { grid-template-columns: 110px minmax(0, 1fr); }
  .talk-links { grid-column: 2; justify-content: flex-start; }
}

@media (max-width: 650px) {
  .section-wrap, .header-inner, .footer-inner { width: min(100% - 2rem, 1160px); }
  .primary-nav { justify-content: space-between; gap: .45rem; }
  .primary-nav a { font-size: .88rem; }
  .hero-home { display: flex; flex-direction: column; align-items: stretch; gap: 1.35rem; padding-block: 2.3rem 2.4rem; }
  .hero-copy h1 { font-size: clamp(2.6rem, 11vw, 4rem); }
  .hero-intro { font-size: 1.06rem; }
  .hero-portrait { align-self: center; width: min(64vw, 230px); }
  .video-feature { grid-template-columns: 1fr; gap: 1rem; padding: .85rem; }
  .video-feature-copy { padding: .2rem .3rem .55rem; }
  .video-feature-copy h2 { font-size: 1.58rem; }
  .research-block { padding-block: 2.8rem; }
  .research-columns { grid-template-columns: 1fr; gap: .8rem; }
  .recent-block { grid-template-columns: 1fr; gap: 1rem; padding-block: 2.6rem 3rem; }
  .recent-list { max-height: none; padding-right: 0; overflow: visible; }
  .recent-expand { display: inline-block; }
  .page-intro { padding-block: 2.2rem 1.4rem; }
  .page-intro h1 { font-size: clamp(1.6rem, 10vw, 3rem); }
  .page-intro--image, .page-talks .page-intro--image { grid-template-columns: 1fr; gap: 1.1rem; }
  .intro-image--notepad { display: none; }
  .intro-image--sticks { width: 100%; height: auto; }
  .coauthor-section { grid-template-columns: 1fr; gap: .65rem; }
  .coauthor-section ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .paper { grid-template-columns: minmax(0, 1fr); gap: .15rem; }
  .paper-actions { flex-direction: row; justify-content: space-between; align-items: center; gap: .5rem; }
  .paper-version-links { justify-content: flex-start; }
  .paper h3 { font-size: 1.16rem; }
  .talk-item { grid-template-columns: 1fr; gap: .2rem; }
  .talk-links { grid-column: 1; }
  .cv-sections section { grid-template-columns: 1fr; gap: .55rem; padding-block: 1.15rem; }
  .cv-sections h2 { font-size: 1.7rem; }
  .timeline li { grid-template-columns: 92px minmax(0, 1fr); gap: .8rem; }
}

@media (max-width: 390px) {
  .wordmark-name { font-size: 1.04rem; }
  .primary-nav a { font-size: .84rem; }
  .paper--start, .paper--filtered, .talk-item--filtered { margin-inline: -.35rem; padding-inline: .35rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .video-preview img { transition: none; }
}