/* A quiet, image-led portfolio. Base layout and the architecture SVG live in index.html. */
:root{--bg:#141616;--bg-deep:#0e1010;--panel:#1c1f1e;--panel-2:#252a27;--text:#f0f0e9;--muted:#a3aaa3;--faint:#929a92;--line:#343a35;--accent:#c7d9aa;--accent-soft:#c7d9aa14;--green:#c7d9aa;--disp:'Space Grotesk',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;--mono:var(--sans)}
body{overflow-wrap:break-word}button{font:inherit}[hidden]{display:none!important}
a{color:inherit}a:hover{text-decoration:none;color:var(--accent)}
.wrap{max-width:1264px;padding:0 48px}section,[id]{scroll-margin-top:100px}
.skip-link{position:fixed;top:12px;left:20px;transform:translateY(-160%);z-index:100;background:var(--accent);color:var(--bg);padding:10px 18px}.skip-link:focus{transform:none}
header.nav{background:#141616ee;border-bottom:0;backdrop-filter:blur(16px)}.nav-inner{height:84px}
.brand{font-family:var(--sans);font-size:16px;font-weight:600}.brand .dot{display:none}.brand-role{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.1em}
nav.links a:not(:last-child){display:block}nav.links{gap:22px}nav.links a{padding:10px 0;font-size:13px;border-radius:0;min-height:44px;align-content:center}nav.links a:hover{background:none;color:var(--text)}
.hero{padding:70px 0 64px;background:none;border:0}.hero-grid{grid-template-columns:1.1fr 1fr;gap:72px;align-items:center}.hero-grid>*{min-width:0}
.eyebrow{font:11px var(--sans);letter-spacing:.13em;color:var(--muted);margin-bottom:20px}.eyebrow::before{display:none}
.profile-name{font-size:15px;color:var(--muted);margin-bottom:14px}h1{font-size:clamp(40px,4.7vw,64px);font-weight:500;letter-spacing:-.04em;line-height:1.15;margin-bottom:25px}
.role-secondary{display:block;font:400 19px/1.5 var(--sans);letter-spacing:.01em;color:var(--accent);margin-top:22px}
.hero p.lead{font-size:14px;line-height:1.95;max-width:none;margin-bottom:22px}.hero p.lead span{display:block;white-space:nowrap}.hero-tags{display:none}
.cta-row{align-items:center;gap:18px}.btn{border-radius:5px;font-size:12px;min-height:44px;padding:12px 18px;justify-content:center}.btn:hover{transform:none}.btn-primary{background:var(--accent);color:#172019}.btn-primary:hover{background:#dce7cb;color:#172019}.btn-ghost{background:none;border-color:var(--line);color:var(--text)}.btn-ghost:hover{background:var(--panel)}.text-link{font-size:12px;color:var(--muted);min-height:44px;align-content:center}
.hero-work{margin:0;min-width:0;transform:rotate(2deg)}.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:1px;overflow:hidden;border-radius:4px;background:#c8c9be;aspect-ratio:1.1}.hero-art img{width:100%;height:100%;min-height:0;object-fit:contain;background:#ebebe3;padding:12px}.hero-work figcaption{display:flex;justify-content:space-between;gap:14px;font-size:11px;color:var(--muted);padding-top:18px}.hero-work figcaption a{color:var(--text)}
.hero-work:has(.hero-art-psai){transform:none}.hero-art-psai{grid-template-columns:1fr;grid-template-rows:43% 57%;gap:0;background:#232725;border:1px solid var(--line);border-radius:6px}.hero-art-psai>div{min-width:0;min-height:0;overflow:hidden}.hero-art-psai .hero-tool{display:grid;place-items:center;padding:14px;background:#262927}.hero-art-psai .hero-tool img{width:100%;height:100%;padding:0;object-fit:contain;background:none;filter:drop-shadow(0 12px 18px #0007)}.hero-art-psai .hero-case{display:grid;place-items:center;border-bottom:1px solid var(--line);background:#323634}.hero-art-psai .hero-case img{width:100%;height:100%;padding:0;object-fit:contain;background:none}
.stats{background:none;border:0}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-top:26px;padding-bottom:26px;gap:30px}.stat,.stat:nth-child(3),.stat:nth-child(4){border:0;padding:0}.stat b{font-size:35px;font-weight:400;letter-spacing:-.04em;margin-bottom:10px}.stat b em{font-size:15px;letter-spacing:0;color:var(--muted);margin-left:5px}.stat span{font-size:11px;line-height:1.7;display:block}
section{padding:100px 0}.sec-head{margin-bottom:36px}.sec-head .eyebrow{margin-bottom:12px}.sec-head h2{font-size:32px;font-weight:500;letter-spacing:-.04em;display:flex;align-items:baseline;justify-content:space-between;gap:20px}.section-count{font:12px var(--disp);letter-spacing:.04em;color:var(--muted)}.sec-head p{font-size:13px;max-width:65ch;margin-top:14px}
.feature{background:none;border:0;border-radius:0;overflow:visible}.feature-top{display:flex;flex-direction:column;gap:0}.feature-media{order:-1;padding:0;border:0;width:100%;display:block}.feature-media .media{width:100%;aspect-ratio:1984/1080;border-radius:6px;border:1px solid var(--line);overflow:hidden;min-height:0;max-height:620px}.media video{object-fit:contain;background:#101216}
.feature-body{padding:34px 0 28px;display:grid;grid-template-columns:1fr 1fr;column-gap:70px;width:100%;align-items:start}.proj-kicker{font:11px/1.7 var(--sans);letter-spacing:.04em;color:var(--muted);margin-bottom:13px}.feature-body .proj-kicker,.feature-body .proj-title,.feature-body>p,.feature-body .project-result{grid-column:1}.feature-body .proj-title{font-size:28px;font-weight:500;letter-spacing:-.025em;margin-bottom:14px}.feature-body>p{font-size:14px;line-height:1.9;color:var(--muted)}
.project-result{margin:24px 0 0;border:0;padding:0;display:flex;flex-direction:column;gap:9px}.project-result>b{font-size:15px;font-weight:500;color:var(--accent)}.project-result span{font-size:12px;color:var(--muted)}.project-result strong{color:var(--text);font-weight:500}
.contribution-list{grid-column:2;grid-row:1 / span 4;margin:0;padding:0;list-style:none;font-size:13px;color:var(--muted)}.contribution-list li{padding:0 0 17px;margin-bottom:17px;border-bottom:1px solid var(--line);line-height:1.9}.contribution-list li:last-child{border:0;margin-bottom:0;padding-bottom:0}.contribution-list b{display:block;color:var(--text);font-weight:500;margin-bottom:4px}.feature-body .cta-row{grid-column:2;margin-top:20px}
.feature-strip{gap:14px;border:0}.feature-strip .media{border:1px solid var(--line);border-radius:4px;aspect-ratio:16/10;background:var(--bg-deep)}.media-label{font:11px var(--sans);pointer-events:none;background:#111c;backdrop-filter:blur(6px);border:0;padding:5px 9px;border-radius:3px;color:#f0f0e9}
.technical-details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:24px;padding:0;background:none}summary{cursor:pointer;min-height:48px;align-content:center;font-size:13px;color:var(--text)}.technical-details summary{max-width:720px;margin:0 auto;padding:16px 0}.technical-details summary span{font-size:11px;color:var(--muted);margin-left:18px}.technical-details>p{font-size:13px;line-height:1.9;max-width:720px;color:var(--muted);margin:0 auto 18px}.technical-details .usage-source{font-size:11px}.technical-details .node-stage{max-width:720px;margin:24px auto;background:var(--bg-deep);border-radius:4px}.technical-details .signal-dot{fill:var(--accent)}.flow,.signal-dot{animation:none}
.feature-foot{padding:18px 0;gap:18px;border:0}.tag{border:0;border-radius:0;padding:0;background:none;color:var(--muted);font:11px/1.8 var(--sans)}
.grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:64px 32px;margin-top:70px}.card{background:none;border:0;border-radius:0;overflow:visible}.card:hover{transform:none;border:0}.card>.media{border:1px solid var(--line);border-radius:5px;aspect-ratio:4/3;overflow:hidden;background:var(--bg-deep)}.card .media:has(video){aspect-ratio:4/3}.card-body{padding:24px 0 0;gap:12px}.card-body .proj-kicker{margin:0}.card-body .proj-title{font-size:23px!important;font-weight:500;line-height:1.45;margin:0}.card-body p{font-size:13px;line-height:1.9}.card-body .card-result{font-size:14px;color:var(--accent)}.card-body p b{font-weight:500;color:var(--text)}.card-tags{padding:0;gap:15px;margin-top:0}.card-detail{border-top:1px solid var(--line);margin-top:6px}.card-detail summary{color:var(--muted);font-size:12px}.card-detail p{padding-bottom:16px}.outcome-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:5px 0 3px}.outcome-grid>div{padding:16px 0}.outcome-grid>div+div{border-left:1px solid var(--line);padding-left:20px}.outcome-grid strong{display:block;color:var(--accent);font:500 23px/1.2 var(--disp);margin-bottom:6px}.outcome-grid span{display:block;color:var(--muted);font-size:11px;line-height:1.6}
.image-zoom{display:block;position:relative;width:100%;height:100%;min-height:0;min-width:0;cursor:zoom-in;background:var(--bg-deep)}.image-zoom::after{content:'↗';position:absolute;right:10px;top:10px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#111b;color:#fff;font-size:14px;opacity:0;transition:opacity .2s}.image-zoom:hover::after,.image-zoom:focus-visible::after{opacity:1}.media .asset-grid{gap:1px;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr))}.media .asset-grid .image-zoom img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:10px}
.media .asset-grid.pose-steps{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:1fr}.pose-steps .media-label{font-size:9px;left:4px;right:4px;bottom:5px;text-align:center}.reveal,.reveal.in{opacity:1;transform:none;transition:none}
#about>.wrap,#skills>.wrap,.education>.wrap{border-top:1px solid var(--line);padding-top:50px}.path{padding-left:0;border:0}.path-item{padding:0 0 28px 0;margin:0 0 28px;border-bottom:1px solid var(--line)}.path-item:last-child{margin-bottom:0;border-bottom:0;padding-bottom:0}.path-item::before{display:none}.path-item h4{font:500 17px/1.6 var(--sans);margin-bottom:10px;display:flex;justify-content:space-between;gap:20px}.path-item h4 span{font:12px/1.8 var(--disp);white-space:nowrap;color:var(--muted)}.path-item p{font-size:13px;color:var(--muted);max-width:85ch}
.skill-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:34px 48px}.skill{padding:0;border:0;border-radius:0;background:none}.skill h4{font:500 15px var(--sans);letter-spacing:0;margin-bottom:14px}.skill ul{gap:4px 13px}.skill li{border:0;background:none;padding:0;font-size:12px;line-height:1.9;color:var(--muted)}.education{padding-top:0}.education .path-item{padding:0;border:0}.education .sec-head{margin-bottom:26px}
.contact{background:var(--panel);border-top:0;padding:66px 0}.contact-inner{grid-template-columns:1.15fr 1fr;gap:90px}.contact h2{font-size:34px;font-weight:400;letter-spacing:-.025em}.contact p{font-size:13px;max-width:47ch;margin-top:18px}.contact-list{font:13px/1.8 var(--sans);padding:0;border:0;gap:16px}.contact-list .k{font-size:12px;width:62px;color:var(--muted)}footer{display:block;border:0;padding:26px 0;color:var(--muted)}footer>.wrap{width:100%;font:11px var(--sans)}
.lightbox{color:var(--text);background:#141616;border:1px solid var(--line);border-radius:8px;width:min(1200px,96vw);max-width:96vw;max-height:94dvh;margin:auto;padding:16px 20px;overflow:auto}.lightbox::backdrop{background:#06080deb;backdrop-filter:blur(8px)}body:has(.lightbox[open]){overflow:hidden}.lightbox-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:13px;color:var(--muted)}.lightbox button{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:4px;min-width:44px;min-height:44px;padding:8px 12px;cursor:pointer}.lightbox-stage{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;gap:14px;align-items:center;margin-top:14px}.lightbox figure{min-width:0;text-align:center}.lightbox img{width:100%;height:min(66dvh,760px);object-fit:contain}.lightbox figcaption{font-size:13px;color:var(--muted);margin-top:12px}.lightbox-hint{text-align:center;font-size:11px;color:var(--muted);margin-top:12px}
@media(min-width:1900px){.wrap{max-width:1400px}}
@media(max-width:1000px){.wrap{padding-left:30px;padding-right:30px}.hero-grid{gap:38px}.hero{padding-top:42px}h1{font-size:46px}.hero p.lead{font-size:13px}.hero-work{transform:none}.hero-art{aspect-ratio:.85}.hero-work figcaption{flex-direction:column;gap:4px}.hero .cta-row{gap:10px}.hero .text-link{display:none}.feature-body{column-gap:38px}.stats-grid{gap:24px}.stat b{font-size:30px}.contact-inner{gap:40px}.skill-grid{gap:30px}.grid2{gap:46px 24px}}
@media(max-width:700px){.wrap{padding-left:22px;padding-right:22px}.nav-inner{height:68px}.brand{font-size:14px}.brand-role{display:none}nav.links{gap:16px}nav.links a,nav.links a:not(:last-child){display:block;font-size:12px;padding:10px 0}.hero{padding:32px 0 36px}.hero-grid{grid-template-columns:1fr;gap:32px}h1{font-size:52px;line-height:1.12}.hero .eyebrow{margin-bottom:16px}.profile-name{font-size:13px}.role-secondary{font-size:18px;margin-top:18px}.hero p.lead{font-size:14px;max-width:42ch}.hero p.lead span{white-space:normal}.hero .cta-row{gap:12px}.hero-art{aspect-ratio:1.38}.hero-art img{padding:10px}.hero-work figcaption{flex-direction:row;font-size:10px;padding-top:12px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 16px;padding-top:26px;padding-bottom:26px}.stat{padding:0!important;border:0!important}.stat b{font-size:30px}.stat span{font-size:10px}.stat b em{font-size:13px}section{padding:60px 0}.sec-head{margin-bottom:28px}.sec-head h2{font-size:27px}.sec-head p{font-size:12px}.feature-body{display:block;padding:25px 0}.feature-body .proj-title{font-size:25px}.feature-body>p{font-size:13px}.project-result{margin-top:20px;margin-bottom:25px}.contribution-list{font-size:12px}.contribution-list li{margin-bottom:12px;padding-bottom:12px}.feature-body .cta-row{margin-top:20px}.feature-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.feature-strip .media{aspect-ratio:1}.feature-strip .media-label{font-size:9px;left:3px;right:3px;bottom:3px;padding:3px;text-align:center}.technical-details summary span{display:none}.technical-details>p{font-size:12px}.feature-foot{flex-wrap:wrap;gap:7px 15px}.grid2{grid-template-columns:1fr;margin-top:38px;gap:42px}.card-body{padding-top:20px}.card-body .proj-title{font-size:22px!important}.card .media:has(video){aspect-ratio:16/9}.skill-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 18px}.skill h4{font-size:13px}.skill li{font-size:11px}#about>.wrap,#skills>.wrap,.education>.wrap{padding-top:32px}.path-item h4{font-size:15px;display:block}.path-item h4 span{display:block;margin:6px 0 0}.path-item p{font-size:12px}.contact-inner{grid-template-columns:1fr;gap:30px}.contact{padding:46px 0}.contact h2{font-size:28px}.lightbox{padding:12px}.lightbox-stage{grid-template-columns:36px minmax(0,1fr) 36px;gap:4px}.lightbox button{min-width:36px;padding:6px}.lightbox img{height:60dvh}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(max-width:700px){.hero-art-psai{aspect-ratio:1.05}}
@media print{@page{size:A4;margin:14mm}:root{--text:#111;--muted:#444;--faint:#555;--accent:#304d28;--line:#ccc;--bg:#fff;--bg-deep:#fff;--panel:#fff;--panel-2:#fff}body{font-size:10pt;background:#fff;color:#111}.wrap{max-width:none!important;padding:0!important}.nav,.skip-link,.hero .cta-row,.hero-work,.hero-tags,.feature-media,.feature-strip,.card>.media,.technical-details,.card-detail,.feature-foot,.lightbox,footer{display:none!important}.hero{padding:0 0 20px}.hero-grid{display:block}.profile-name{font-size:13pt}h1{font-size:25pt}h1 br{display:none}.role-secondary{font-size:13pt;margin-top:8px}.hero p.lead{max-width:none;font-size:10pt}.stats-grid{grid-template-columns:repeat(4,1fr);gap:18px;padding:15px 0!important}.stat b{font-size:21pt}.stat span{font-size:8pt}section{padding:24px 0!important}.sec-head{margin-bottom:16px}.sec-head h2{font-size:17pt}.sec-head .eyebrow,.section-count{display:none}.feature-body{display:block;padding:0}.feature-body .cta-row{display:none}.feature-body .proj-title{font-size:15pt}.feature-body>p,.card-body p,.contribution-list{font-size:10pt}.project-result{margin:12px 0}.contribution-list li{margin-bottom:6px;padding-bottom:6px}.grid2{display:block;margin-top:20px}.card{margin-top:20px;break-inside:avoid}.card-body{padding:0}.card-body .proj-title{font-size:14pt!important}.card-tags{gap:12px}.skill-grid{grid-template-columns:repeat(2,1fr);gap:20px}.path-item,.skill{break-inside:avoid}.path-item h4{font-size:11pt}.path-item p{font-size:10pt}#about>.wrap,#skills>.wrap,.education>.wrap{padding-top:20px!important}.contact-inner{display:block}.contact h2{font-size:18pt}.contact-list{margin-top:15px;font-size:10pt}.contact p{max-width:none}a{color:inherit}}

/* Metrics belong to the PS-AI project, rather than the portfolio as a whole. */
.feature .stats{margin:0 0 28px}
.feature .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media screen and (max-width:700px){
 .feature .stats-grid{grid-template-columns:1fr;gap:22px}
 .feature .stat{display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px;align-items:center}
 .feature .stat b{margin-bottom:0}
}
.path::before{display:none}
.education-entry{max-width:900px}
.education-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 24px}
.education-heading h4{margin:0}
.education-entry .education-meta,.education-entry .education-metrics{display:flex;flex-wrap:wrap;gap:6px 24px;max-width:none}
.education-entry .education-metrics{margin-top:18px}
.education-meta span,.education-metrics span{white-space:nowrap}
.education-awards{display:flex;flex-wrap:wrap;gap:8px 24px;list-style:none;margin:12px 0 0;padding:0;color:var(--muted);font-size:13px;line-height:1.9}
.education-awards li{max-width:100%;text-wrap:balance}
@media(max-width:700px){.education-awards{font-size:12px;gap:6px 20px}.education-entry .education-meta{gap:6px 18px}}
.hero p.lead span{white-space:normal}
.path-item p+p{margin-top:8px}
.skill-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:1080px}
@media(max-width:700px){.skill-grid{grid-template-columns:1fr}}

/* Keep headings, dates and supporting text readable across viewport sizes. */
.card-body .proj-title{ text-wrap:balance }
.title-phrase{display:inline-block}
.hero p.lead,.sec-head p,.card-body p,.path-item p{ text-wrap:pretty }
.path-item h4{justify-content:flex-start;align-items:baseline;flex-wrap:wrap;gap:6px 24px}
.path-item h4 span{margin-left:0}
.card-detail{margin-top:auto}
.card-body>p:last-of-type{margin-bottom:6px}
.hero-work figcaption{flex-wrap:wrap}
.section-count{white-space:nowrap}
.skill li{max-width:100%}
.contact-list>span{min-width:0}
.contact-list a{min-width:0;overflow-wrap:anywhere}
@media screen{
 .hero{padding-bottom:40px}
 #projects{padding-top:64px}
}
@media screen and (max-width:700px){
 .hero{padding-bottom:24px}
 #projects{padding-top:36px}
 .path-item h4{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
 .path-item h4 span{margin:0}
 .education-heading h4{display:block}
 .path-item p,.skill li,.sec-head p,.contribution-list{font-size:13px}
 .skill h4{font-size:14px}
 .stat span{font-size:12px}
 .feature .stat{grid-template-columns:100px minmax(0,1fr)}
 .card-detail{margin-top:6px}
 .node-stage .stage-bar{font-size:10px;overflow-wrap:anywhere}
 .node-stage .stage-bar .win{flex-shrink:0}
}
@media screen and (max-width:360px){
 h1{font-size:44px}
 nav.links{gap:12px}
 .hero .cta-row{gap:8px}
 .hero .btn{padding-left:12px;padding-right:12px}
}

/* Pair the model and texture comparisons without cropping their labels. */
.trellis-comparisons{width:100%;height:100%;display:grid;grid-template-rows:1fr 1fr;gap:8px;padding:8px;background:var(--bg-deep)}
.trellis-comparisons .image-zoom{background:#fff}
.trellis-comparisons img{object-fit:contain}