/* Layout: a quiet, left-aligned academic page. One reading column (~68ch) inside a 1080px frame; a hairline-ruled header with the name as wordmark; lists ruled like a printed CV with a tabular year column. */
:root{
  --bg:#FBFBFA; --surface:#F1F2F0; --ink:#15181C; --muted:#5A616A; --rule:#DCDDDA;
  --accent:#B35700;          /* UT orange, deepened for text contrast */
  --accent-mark:#FF8200;     /* UT orange, for thin marks only */
  --f-serif:"Newsreader","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --f-sans:"Public Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --measure:68ch;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#111315;--surface:#191C1F;--ink:#ECEDEE;--muted:#A1A8B0;--rule:#2B2F34;--accent:#FF9B38;--accent-mark:#FF8200;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#111315;--surface:#191C1F;--ink:#ECEDEE;--muted:#A1A8B0;--rule:#2B2F34;--accent:#FF9B38;--accent-mark:#FF8200;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-sans);font-size:16.5px;line-height:1.62;font-feature-settings:"kern","liga"}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--f-serif);font-weight:400;line-height:1.15;margin:0;text-wrap:balance;letter-spacing:-.01em}
p{margin:0}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 12px;z-index:50}
.skip:focus{left:12px}

/* header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:saturate(1.2) blur(8px);-webkit-backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--rule)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:21}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.wordmark{font-family:var(--f-serif);font-size:1.32rem;color:var(--ink);text-decoration:none;white-space:nowrap;letter-spacing:-.01em}
.wordmark span{color:var(--muted)}
.nav{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:6px 10px;color:var(--muted);text-decoration:none;font-size:.92rem;border-radius:4px}
.nav a:hover{color:var(--ink);background:var(--surface)}
.nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--accent-mark);border-radius:0}
.menu-btn{display:none;appearance:none;background:transparent;border:1px solid var(--rule);color:var(--ink);font:500 .9rem var(--f-sans);padding:6px 12px;border-radius:4px;cursor:pointer}
@media (max-width:860px){
  .menu-btn{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--rule);padding:6px max(20px,env(safe-area-inset-right,0px)) 12px max(20px,env(safe-area-inset-left,0px))}
  .nav.open{display:flex}
  .nav a{padding:10px 4px;border-bottom:1px solid var(--rule);border-radius:0}
  .nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--accent-mark);padding-left:12px}
}

/* page scaffolding */
main{padding-block:56px 88px}
.page-head{display:grid;gap:12px;max-width:var(--measure);margin-bottom:44px}
.eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.page-head h1{font-size:clamp(2.2rem,4.6vw,3.1rem)}
.page-head p{color:var(--muted);font-size:1.06rem}
.section{display:grid;gap:18px;margin-top:56px}
.section:first-of-type{margin-top:0}
.section>h2{font-size:1.55rem;padding-bottom:10px;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.section>h2 small{font:500 .82rem var(--f-sans);color:var(--muted);letter-spacing:0}
.prose{max-width:var(--measure);display:grid;gap:1em}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* home hero */
.hero{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:clamp(28px,6vw,72px);align-items:start;padding-bottom:52px;border-bottom:1px solid var(--rule)}
.hero h1{font-size:clamp(2.6rem,6vw,4rem);line-height:1.02}
.hero .role{font-size:1.05rem;color:var(--muted);margin-top:14px;line-height:1.45}
.hero .role b{color:var(--ink);font-weight:600}
.hero .bio{margin-top:24px;max-width:62ch;font-size:1.08rem;display:grid;gap:.9em}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border:1px solid var(--ink);border-radius:4px;color:var(--ink);text-decoration:none;font-weight:500;font-size:.93rem;background:transparent}
.btn:hover{background:var(--ink);color:var(--bg)}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn.primary:hover{background:transparent;color:var(--ink)}
.portrait{position:relative;aspect-ratio:4/5;max-width:100%;background:var(--surface);border:1px solid var(--rule);overflow:hidden}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait .mono{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--f-serif);font-size:4.2rem;color:var(--muted);letter-spacing:.02em}
.portrait::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;background:var(--accent-mark)}
@media (max-width:760px){.hero{grid-template-columns:1fr}.portrait{max-width:220px;order:-1}}

/* expertise */
.expertise{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 36px}
.expertise h3{font-size:1.18rem;margin-bottom:6px}
.expertise p{color:var(--muted);font-size:.95rem}
@media (max-width:860px){.expertise{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.expertise{grid-template-columns:1fr}}
.methods{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.methods li{list-style:none;font-size:.86rem;padding:4px 10px;border:1px solid var(--rule);border-radius:999px;color:var(--muted)}
.methods{padding:0;margin:0}

/* entry lists (publications, news, cv) */
.entries{list-style:none;margin:0;padding:0}
.entry{display:grid;grid-template-columns:5.2rem minmax(0,1fr);gap:20px;padding-block:20px;border-bottom:1px solid var(--rule)}
.entry:first-child{padding-top:4px}
.entry .when{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.92rem;padding-top:3px}
.entry .body{display:grid;gap:5px;min-width:0}
.entry h3{font-size:1.2rem;line-height:1.3}
.entry h3 a{color:var(--ink);text-decoration:none}
.entry h3 a:hover{text-decoration:underline;text-decoration-color:var(--accent)}
.authors{font-size:.95rem}
.authors b{font-weight:600}
.venue{font-size:.95rem;color:var(--muted)}
.venue i{color:var(--ink)}
.abstract{font-size:.95rem;color:var(--muted);max-width:var(--measure);margin-top:2px}
.links{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.88rem;margin-top:4px}
.tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:3px;border:1px solid var(--rule);color:var(--muted);vertical-align:2px}
.tag.award{border-color:color-mix(in srgb,var(--accent-mark) 55%,var(--rule));color:var(--accent)}
@media (max-width:560px){.entry{grid-template-columns:1fr;gap:4px}}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:6px}
.filters button{appearance:none;cursor:pointer;font:500 .88rem var(--f-sans);color:var(--muted);background:transparent;border:1px solid var(--rule);border-radius:999px;padding:5px 12px}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bg)}

/* cards (teaching, projects, contact) */
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:720px){.grid2{grid-template-columns:1fr}}
.card{border:1px solid var(--rule);border-radius:6px;padding:22px 24px;display:grid;gap:8px;align-content:start;background:var(--bg)}
.card h3{font-size:1.25rem}
.card .meta{font-size:.86rem;color:var(--muted)}
.card p{font-size:.96rem}
.card.feature{grid-column:1/-1;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:center;background:var(--surface)}
.card.feature img{border-radius:4px;border:1px solid var(--rule);aspect-ratio:16/9;object-fit:cover;width:100%}
@media (max-width:720px){.card.feature{grid-template-columns:1fr}}

/* cv */
.cv-grid{display:grid;grid-template-columns:5.2rem minmax(0,1fr);gap:8px 20px}
.cv-grid dt{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.92rem}
.cv-grid dd{margin:0 0 10px}
.cv-grid dd .sub{display:block;color:var(--muted);font-size:.93rem}
@media (max-width:560px){.cv-grid{grid-template-columns:1fr}.cv-grid dd{margin-bottom:14px}}
.compact li{padding-block:6px;border-bottom:1px solid var(--rule)}
.compact{list-style:none;margin:0;padding:0}

/* contact */
.contact-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.contact-list li{display:grid;grid-template-columns:9rem minmax(0,1fr) auto;gap:16px;align-items:center;padding-block:18px;border-bottom:1px solid var(--rule)}
.contact-list .k{font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.contact-list .v{font-family:var(--f-serif);font-size:1.25rem;min-width:0;overflow-wrap:anywhere}
.contact-list .v a{color:var(--ink);text-decoration:none}
.contact-list .v a:hover{text-decoration:underline;text-decoration-color:var(--accent)}
.copy{appearance:none;cursor:pointer;font:500 .85rem var(--f-sans);color:var(--muted);background:transparent;border:1px solid var(--rule);border-radius:4px;padding:5px 10px}
@media (max-width:560px){.contact-list li{grid-template-columns:1fr auto;gap:4px 12px}.contact-list .k{grid-column:1/-1}}

/* footer */
.site-foot{border-top:1px solid var(--rule);padding-block:28px 36px;color:var(--muted);font-size:.86rem}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px}
.foot-row a{color:var(--muted)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* home focus rows */
.focus{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 48px}
.focus h2{font-size:1.25rem;margin-bottom:12px}
@media (max-width:720px){.focus{grid-template-columns:1fr}}

/* teaching: tutor feature */
.tutor{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:32px;align-items:start}
.shots{display:grid;gap:18px}
.shots figure{margin:0;display:grid;gap:6px}
.shots img{width:100%;border:1px solid var(--rule);border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.08)}
.shots figcaption{font-size:.86rem;color:var(--muted)}
@media (max-width:860px){.tutor{grid-template-columns:1fr}}

.hero-shot{margin:0 0 8px;display:grid;gap:8px}
.hero-shot img{width:100%;border:1px solid var(--rule);border-radius:8px;box-shadow:0 10px 28px rgba(0,0,0,.10)}
.hero-shot figcaption{font-size:.88rem;color:var(--muted)}
.card.feature > a{display:block}
.hero-shot + .section{margin-top:56px}
.portrait img{position:relative;z-index:1}
.portrait::after{z-index:2}

/* projects hub */
a.card.hub{color:inherit;text-decoration:none;transition:border-color .2s,transform .2s}
a.card.hub:hover{border-color:var(--ink);transform:translateY(-2px)}
a.card.hub img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:4px;border:1px solid var(--rule);margin-bottom:6px}
a.card.hub .go{font-weight:500;font-size:.92rem;color:var(--accent);margin-top:4px}
.grid2 > .card.feature + .card.feature{margin-top:0}
.grid2 .card.feature{grid-column:1/-1}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:900px){.grid3{grid-template-columns:1fr}}
.grid3 a.card.hub h3{font-size:1.25rem}
.num-step{font:500 .78rem/1 var(--sans,inherit);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.card.feature .shots2{display:grid;gap:10px}
.card.feature .shots2 img{border-radius:4px;border:1px solid var(--rule);aspect-ratio:16/9;object-fit:cover;width:100%;display:block}