@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=IBM+Plex+Mono:wght@400;500&family=Instrument+Serif:ital@0;1&display=swap');
:root{--bg:#211923;--surface:#2b202b;--text:#f2e9ee;--muted:#b6a7b4;--subtle:#958491;--accent:#f0b3a5;--line:#44313e;--rgb:240,179,165;--opposite:#110a13;--halo:#ed897e;--disc:#ffe5c8;--link:#f0c3b7;color-scheme:dark;font:16px 'DM Sans',sans-serif}
:root[data-palette=plum]{--bg:#211923;--surface:#2b202b;--text:#f2e9ee;--muted:#b6a7b4;--subtle:#958491;--accent:#f0b3a5;--line:#44313e;--rgb:240,179,165;--opposite:#110a13;--halo:#ed897e;--disc:#ffe5c8;--link:#f0c3b7}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:40px}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{color:inherit;background:none;border:0;cursor:pointer}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button:disabled{opacity:.5;cursor:default}::selection{background:var(--accent);color:var(--bg)}.skip{position:fixed;z-index:100;top:-100px;left:15px;padding:10px 18px;background:var(--accent);color:var(--bg)}.skip:focus{top:15px}.topbar{height:95px;margin:0 auto;max-width:1350px;padding:0 65px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.monogram{font-size:26px;font-weight:600;letter-spacing:-2px}.monogram span{font:22px 'Instrument Serif',serif;color:var(--accent);margin-left:8px}.topline{font-size:13px;color:var(--subtle)}.palettes{margin-left:auto;display:flex;gap:17px}.palettes button{padding:9px 0;display:flex;align-items:center;gap:7px;color:var(--subtle);font-size:12px}.palettes button[aria-pressed=true]{color:var(--text)}.swatch{display:block;width:12px;height:12px;border-radius:50%;border:1px solid var(--subtle);transition:box-shadow .2s}.palettes button[aria-pressed=true] .swatch{box-shadow:0 0 0 3px var(--bg),0 0 0 4px var(--subtle)}.swatch.carbon{background:#afd1ef}.swatch.plum{background:#f0b3a5}.swatch.paper{background:#f3f5f8}
.layout{display:grid;grid-template-columns:minmax(330px,440px) minmax(0,620px);gap:90px;max-width:1350px;padding:65px 65px 0;margin:auto;align-items:start;justify-content:space-between}.profile{position:sticky;top:35px;align-self:start;min-width:0}.profile-head{display:flex;align-items:center;gap:15px}.portrait{width:46px;height:46px;object-fit:cover;object-position:50% 28%;border-radius:50%;filter:saturate(.75)}.profile-head p{font-size:14px;margin:0;color:var(--text);line-height:1.5}.profile-head p span{font-size:12px;color:var(--subtle)}h1{font-size:clamp(3.6rem,5.7vw,4.8rem);line-height:1;letter-spacing:-.055em;font-weight:500;margin:28px 0 18px}h1 em{display:block;font-family:'Instrument Serif',serif;font-size:1.16em;line-height:1.04;font-weight:400;letter-spacing:-.025em;color:var(--accent)}.profile-bio{font-size:17px;color:var(--muted);max-width:315px;line-height:1.65;margin:19px 0}.profile-links{display:flex;gap:23px;font-size:13px;margin-top:25px}.profile-links span{color:var(--subtle);font-size:12px}.profile-links a:first-child{color:var(--accent)}nav{display:flex;flex-wrap:wrap;gap:19px;margin-top:24px}nav a{font-size:12px;color:var(--subtle);position:relative}nav a[aria-current]{color:var(--text)}nav a[aria-current]:after{content:'';position:absolute;bottom:-5px;left:0;width:12px;height:1px;background:var(--accent)}.physics-space{margin-top:6px;position:relative}.scene{height:310px;margin:0 -45px;position:relative;isolation:isolate}.scene canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.scene canvas:active{cursor:grabbing}.scene-caption{position:absolute;bottom:5px;left:0;right:0;text-align:center;font-size:11px;color:var(--subtle);pointer-events:none}.physics-toolbar{display:flex;align-items:center;gap:16px;padding-top:12px;border-top:1px solid var(--line)}.mode-switch{display:flex;gap:18px;margin-right:auto}.mode-switch button{font-size:13px;padding:0;color:var(--subtle)}.mode-switch button[aria-pressed=true]{color:var(--accent)}.physics-toolbar>button{font-size:16px;line-height:1;min-width:22px;height:28px;color:var(--subtle)}#physics-info{font-size:13px;border:1px solid var(--line);border-radius:50%;height:20px;min-width:20px}.physics-controls{display:flex;align-items:center;gap:12px;min-height:40px;padding-top:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.physics-controls label{white-space:nowrap}.physics-controls input{width:100px;min-width:60px;accent-color:var(--accent);height:14px}.physics-controls output{color:var(--accent);font:11px 'IBM Plex Mono',monospace}.gravity-options{display:flex;gap:6px}.gravity-options button{font-size:12px;padding:1px 7px;border-bottom:1px solid transparent;color:var(--subtle)}.gravity-options button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.physics-controls .action{margin-left:auto;color:var(--accent);font-size:12px;padding:0}.physics-stats{display:flex;justify-content:space-between;gap:12px;font:11px/1.7 'IBM Plex Mono',monospace;color:var(--subtle);padding-top:7px}.physics-stats b{font-weight:400;color:var(--accent)}.profile-note{font:italic 15px 'Instrument Serif',serif;color:var(--subtle);margin:20px 0 0}.science-note{padding-top:16px;font-size:13px;line-height:1.7;color:var(--muted)}.science-note p{font-size:13px}.science-note a{color:var(--accent);text-decoration:underline}.science-note .formula{display:block;font:12px 'IBM Plex Mono',monospace;margin:12px 0;color:var(--accent)}
main{min-width:0}section{margin-bottom:82px;scroll-margin-top:35px}.section-heading{display:flex;align-items:baseline;gap:15px;margin-bottom:22px}.section-heading .index{font:11px 'IBM Plex Mono',monospace;color:var(--accent)}h2{font-size:25px;line-height:1.35;font-weight:500;letter-spacing:-.035em;margin:0}p{font-size:16px;color:var(--muted);margin:0 0 18px;line-height:1.85}.about{margin-bottom:68px}.about-foot{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--subtle);margin:25px 0 18px;padding-top:19px;border-top:1px solid var(--line)}.seeking{font-size:14px;color:var(--accent)}.entry-meta{font:11px 'IBM Plex Mono',monospace;color:var(--subtle);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;line-height:1.7;margin-bottom:16px}.entry-meta>span{color:var(--accent);letter-spacing:.035em}.entry-meta time{white-space:nowrap}h3{font-size:28px;line-height:1.35;font-weight:500;letter-spacing:-.035em;margin:0 0 8px}.role{font-size:13px;color:var(--subtle);margin-bottom:24px}.research-entry,.project{padding:25px 0 37px;border-bottom:1px solid var(--line);margin-bottom:20px}.research-entry:first-of-type,.project:first-of-type{padding-top:8px}.metrics{display:grid;grid-template-columns:1.3fr 1fr;gap:20px;margin:27px 0 24px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics>div{display:flex;flex-direction:column}.metrics strong{font-size:42px;font-weight:450;line-height:1.25;letter-spacing:-.06em}.metrics strong span{font-size:25px;color:var(--accent);margin:0 6px}.metrics strong small{font-size:24px;color:var(--accent)}.metrics>div>span{font-size:12px;color:var(--subtle);margin-top:6px}.research-photo{display:grid;grid-template-columns:1fr;gap:10px;margin:27px 0 22px}.research-photo img{width:100%;height:330px;object-fit:cover;object-position:center 34%;display:block;border-radius:3px}.research-photo figcaption{font-size:12px;color:var(--subtle)}.tags{display:flex;gap:7px 17px;flex-wrap:wrap;color:var(--subtle);font:11px/1.5 'IBM Plex Mono',monospace;margin-top:23px}.tags span{padding-bottom:5px;border-bottom:1px solid var(--line)}.benchmark-link{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:25px 0;margin:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.benchmark-link>div{display:flex;align-items:baseline;gap:15px}.benchmark-link strong{font-size:39px;font-weight:450;letter-spacing:-.05em}.benchmark-link>div>span{font-size:12px;color:var(--muted)}.benchmark-action{font-size:12px;color:var(--accent);white-space:nowrap}.benchmark-action span{display:inline-block;margin-left:10px;transition:transform .2s}.benchmark-link:hover .benchmark-action span{transform:translate(3px,-3px)}.inline-link{display:inline-block;font-size:13px;color:var(--accent);border-bottom:1px solid var(--line);padding-bottom:4px}video{display:block;width:100%;height:auto;max-height:370px;min-height:220px;object-fit:contain;background:var(--opposite);border-radius:3px;margin:25px 0 10px}.video-caption{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--subtle);margin-bottom:20px}.video-caption a{color:var(--accent)}.photos{display:grid;grid-template-columns:1fr 1fr;gap:30px 20px;margin-top:30px;align-items:start}.photos figure{margin:0;min-width:0}.photos .friends{grid-column:1/-1}.photos a{display:block;transition:transform .3s}.photos a:hover{transform:translateY(-4px)}.photos img{display:block;width:100%;height:305px;object-fit:cover;border-radius:3px}.photos .friends img{height:auto;aspect-ratio:4/3}.photos .ski img{object-position:50% 63%}.photos .concert{margin-top:48px}.photos .concert img{object-position:62% center;height:250px}.photos figcaption{padding-top:12px;font-size:14px;line-height:1.5}.photos figcaption small{display:block;font-size:12px;color:var(--subtle);margin-top:4px}footer{padding-bottom:30px}footer>p{font-size:16px}.email{font-size:27px;letter-spacing:-.04em;display:flex;justify-content:space-between;gap:15px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px}.email span{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;font-size:12px;color:var(--subtle);margin-top:48px}
@media(min-width:1500px){.layout{gap:125px}.profile{top:50px}.scene{height:340px}}
@media(max-width:1150px){.topbar{padding:0 40px}.layout{padding:50px 40px 0;gap:55px;grid-template-columns:minmax(300px,360px) minmax(0,1fr)}h1{font-size:66px}.scene{margin:0 -30px;height:295px}.profile-links{gap:19px}nav{gap:15px}.benchmark-link{align-items:flex-start;flex-direction:column;gap:7px}.entry-meta{font-size:11px}.physics-toolbar{gap:12px}}
@media(max-height:850px) and (min-width:901px){.profile{top:24px}.layout{padding-top:40px}h1{font-size:58px;margin:20px 0 15px}h1 em{display:inline;font-size:1.05em}.profile-bio{font-size:15px;line-height:1.65;margin:15px 0}.profile-links{margin-top:16px}nav{margin-top:18px}.scene{height:270px}.profile-note{margin-top:12px}.profile-head p{font-size:13px}.portrait{width:40px;height:40px}}
@media(max-width:900px){.topbar{max-width:740px;padding:0 30px;height:78px}.layout{display:block;max-width:740px;padding:42px 30px 0}.profile{position:relative;top:0;max-width:none;margin-bottom:62px}.profile-head{gap:13px}h1{font-size:76px;line-height:1.1;display:flex;flex-wrap:wrap;gap:0 16px;margin:24px 0 15px}h1 em{display:inline;font-size:1.06em}.profile-bio{max-width:470px;font-size:17px}.profile-links{gap:25px}.profile nav{gap:23px}.physics-space{margin:5px 0 0}.scene{height:330px;margin:0 -20px}.physics-toolbar{padding-top:10px;gap:20px}.physics-controls{gap:18px}.physics-controls input{width:160px}.profile-note{margin-top:18px}.about{margin-bottom:55px}.section-heading h2{font-size:27px}.photos .ski img{height:380px}.photos .concert img{height:300px}}
@media(max-width:480px){.topbar{padding:0 22px;height:73px;gap:10px}.topline{display:none}.palettes{gap:14px}.palettes button{font-size:11px;gap:6px}.layout{padding:30px 22px 0}.profile-head p{font-size:14px}.profile-head p span{font-size:11px}h1{font-size:61px;display:block;line-height:1.05;margin:22px 0 16px}h1 em{display:block;font-size:1.17em}.profile-bio{font-size:16px;max-width:300px}.profile-links{gap:24px;font-size:13px}.profile nav{gap:20px;margin-top:24px;font-size:12px}.scene{height:300px;margin:0 -22px}.scene-caption{font-size:10px}.physics-controls{gap:10px}.physics-controls input{width:100px}.physics-stats{font-size:10px;gap:6px}.mode-switch{gap:18px}.physics-toolbar{gap:14px}.profile-note{font-size:14px}.about-foot{font-size:11px;gap:10px}.section-heading h2{font-size:25px}.section-heading{gap:12px}h3{font-size:26px}.entry-meta{font-size:10px;gap:3px;flex-direction:column}.metrics{gap:12px}.metrics strong{font-size:37px}.metrics strong span{margin:0 4px}.metrics>div>span{font-size:11px}.research-photo img{height:330px}.benchmark-link strong{font-size:34px}.benchmark-link>div>span{font-size:12px}.photos{gap:24px 14px}.photos .ski img{height:265px}.photos .concert{margin-top:35px}.photos .concert img{height:215px}.photos figcaption{font-size:13px}.photos figcaption small{font-size:11px}.email{font-size:23px}section{margin-bottom:60px}.profile{margin-bottom:58px}.tags{font-size:11px}.video-caption{font-size:11px}video{min-height:180px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Profile and games refinement */
h1,h1 span{font-family:'DM Sans',sans-serif;font-style:normal;font-weight:500;font-size:clamp(3.3rem,5.2vw,4.35rem);line-height:1.1;letter-spacing:-.05em}h1 span{display:block;color:var(--accent)}
.about-foot{font-size:15px;flex-wrap:wrap;gap:10px 22px}.about-foot span{white-space:nowrap}
.mode-switch{gap:15px}.mode-switch button{font-size:14px}.physics-toolbar{gap:10px}.physics-controls{font-size:14px;gap:10px}.physics-controls label{font-size:13px}.physics-controls output{font-size:12px}.physics-controls .action{font-size:14px}.gravity-options button{font-size:13px}.game-status{font-size:14px;line-height:1.6;margin:12px 0 0;color:var(--accent)}.game-description{font-size:13px;line-height:1.65;margin:10px 0 0}.game-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;width:100%}.game-row input{flex:1;max-width:145px}.game-row label{min-width:44px}.game-row output{min-width:38px}.game-row button{border:1px solid var(--line);padding:4px 10px;border-radius:4px;font-size:13px}.game-row button[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}.game-row .launch{background:var(--accent);color:var(--bg);border-color:var(--accent);padding:5px 15px;margin-left:auto}.scene-caption{font-size:12px}.physics-stats{font-size:12px;flex-wrap:wrap}.profile:focus-visible{outline:1px solid var(--line);outline-offset:6px}
@media(min-width:901px){.profile{top:24px;max-height:calc(100dvh - 48px);overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding:0 12px 24px 0}.scene{margin-left:0;margin-right:0}.profile-note{margin-bottom:8px}}
@media(max-width:900px){h1{display:block}h1 span{display:inline}.profile{max-height:none;overflow:visible}.scene{height:330px}}
@media(max-width:480px){h1,h1 span{font-size:56px}h1 span{display:block}.about-foot{font-size:14px}.mode-switch{gap:13px}.physics-toolbar{gap:8px}.physics-controls input{width:100px}.scene-caption{font-size:11px}}

/* The scenes share one quiet, open interaction surface. */
.physics-controls{padding-top:14px;gap:14px}.physics-controls input{flex:1;max-width:170px}.physics-controls output{min-width:50px;text-align:right}.scene-caption{bottom:6px;color:var(--muted)}.mode-switch button{padding:4px 0}.mode-switch button[aria-pressed=true]{border-bottom:1px solid var(--accent)}.physics-stats{padding-top:10px;font-size:11px}.scene:has(canvas[data-scene=flight]),.scene:has(canvas[data-scene=pendulum]){height:340px}@media(max-width:480px){.scene:has(canvas[data-scene=flight]),.scene:has(canvas[data-scene=pendulum]){height:320px}.physics-controls{gap:10px}}

.simple-control{display:flex;align-items:center;gap:12px;width:100%}.simple-control label{min-width:86px}.simple-control input{max-width:none}.simple-control output{min-width:68px;font-size:11px}.pendulum-key{font-size:12px;display:flex;align-items:center;gap:8px;color:var(--muted)}.pendulum-key i{width:7px;height:7px;border-radius:50%;background:var(--accent)}.pendulum-key .ghost{background:transparent;border:1px solid #9ebcfa;margin-left:10px}

.pendulum-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}.release-button{border:1px solid var(--accent);background:var(--accent);color:var(--bg);border-radius:5px;font-size:13px;font-weight:600;padding:7px 13px;white-space:nowrap}.release-button:hover{filter:brightness(1.08)}.pendulum-key i{background:#ffc29d}.pendulum-key .ghost{background:transparent;border:2px solid #83baff;width:10px;height:10px}.pendulum-difference{font:11px 'IBM Plex Mono',monospace;color:var(--subtle)}

@media(min-width:901px){.profile{max-height:var(--profile-available,calc(100dvh - 180px));padding-bottom:48px;overscroll-behavior-y:auto;scrollbar-gutter:stable}.profile-note{margin-bottom:16px}}
.physics-toolbar{flex-wrap:wrap;row-gap:12px}.mode-switch{flex:1 0 100%;justify-content:space-between;gap:12px}.mode-switch button{white-space:nowrap}.physics-toolbar>button:first-of-type{margin-left:auto}.angle-control{flex-wrap:wrap}.angle-control label{font-size:12px;min-width:100px}.angle-control output{min-width:95px}.angle-control input{min-width:50px}

.mobile-continue{display:none}
@media(max-width:900px){.mobile-continue{position:fixed;z-index:90;right:22px;bottom:auto;top:calc(100svh - 74px - env(safe-area-inset-bottom, 0px));width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:var(--bg);font-size:25px;line-height:1;box-shadow:0 8px 28px rgba(17,10,19,.42);transition:opacity .25s,transform .25s;animation:continue-bob 1.8s ease-in-out infinite}.mobile-continue:hover{color:var(--bg)}body.past-intro .mobile-continue{opacity:0;pointer-events:none;transform:translateY(10px)}}
@keyframes continue-bob{0%,100%{translate:0 0}50%{translate:0 4px}}
@media(prefers-reduced-motion:reduce){.mobile-continue{animation:none}}