@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{--ink:#101d2b;--muted:#526171;--paper:#fbfcfd;--line:#d8dfe5;--lime:#dbf58c;--blue:#eaf1f8;--font:'DM Sans',Arial,sans-serif;--heading:'Manrope',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font:1rem/1.65 var(--font)}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #3f6ed4;outline-offset:6px}::selection{background:var(--lime);color:var(--ink)}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.header{padding:19px 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(251,252,253,.96);position:sticky;top:0;z-index:10}.wordmark{font:800 2rem/1 var(--heading);letter-spacing:-2px}.wordmark span{color:#718c39}.header nav{display:flex;align-items:center;gap:34px;font-size:.9rem;font-weight:550}.header 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#677984;color:var(--lime);background:none;border-radius:4px;padding:10px 15px;font-size:.875rem;margin-top:28px}.copy-email:hover{background:#263749}#copy-status{display:block;font-size:.875rem;min-height:1.65em;margin-top:8px;color:var(--lime)}.footer{display:flex;justify-content:space-between;gap:20px;font-size:.8rem;color:var(--muted);padding-block:24px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:20px;background:var(--lime);padding:10px 20px;z-index:99}.skip-link:focus{top:10px}@media(min-width:1500px){.hero{padding-block:90px}}@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.header{padding-inline:28px}.hero{gap:38px}.hero h1{font-size:5rem}.hero-lead{font-size:1.4rem}.section-heading{gap:35px}.track{padding:26px}.track-label{letter-spacing:.04em}.project-row{grid-template-columns:32px 1fr}.project-link{grid-column:2;justify-self:start}.about-grid,.contact-inner{gap:40px}.section{padding-block:75px}}@media(max-width:700px){html{scroll-padding-top:90px}.wrap{width:calc(100% - 40px)}.header{padding:17px 20px}.wordmark{font-size:1.7rem}.header nav{gap:18px;font-size:.8rem}.nav-contact{padding:0;border:0}.header nav a[href='#about']{display:none}.hero{grid-template-columns:1fr;padding-block:44px 48px;gap:30px}.hero h1{font-size:clamp(4rem,15vw,6rem)}.hero-description{max-width:540px}.hero-copy .eyebrow{margin-bottom:18px}.academic-note{margin-top:28px}.portrait-column{max-width:440px;width:100%;justify-self:center}.portrait-frame{aspect-ratio:1/1.08;border-top-left-radius:95px}.band-inner{padding-block:26px;flex-direction:column;gap:16px}.band-inner p:last-child br{display:none}.section{padding-block:56px}.section-heading,.track-grid,.about-grid,.contact-inner{grid-template-columns:1fr;gap:26px}.section-heading{margin-bottom:28px}.section-heading .eyebrow{margin-bottom:14px}.track{padding:25px}.track-top{margin-bottom:25px}.project-row{gap:12px;padding-block:28px}.project-row h3{font-size:1.4rem}.future-note{grid-template-columns:1fr;gap:12px}.large-copy{font-size:1.3rem}.contact-inner{padding-block:50px}.contact-inner .email{font-size:1.05rem}.contact-links{gap:18px}.actions{gap:20px}.footer{font-size:.75rem}.portrait-caption{font-size:.75rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Final refinements: smaller, natural portrait and accessible theme selection. */
:root{color-scheme:light;--header-bg:rgba(251,252,253,.97);--geo:#f1f5e9;--projects:#f0f3f6;--body-detail:#465664;--title-secondary:#536779;--accent-link:#577222;--band:#101d2b;--portrait-bg:#e5eaf0}
.header{background:var(--header-bg);gap:25px}.header-actions{display:flex;align-items:center;gap:24px}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:5px;background:var(--paper);color:var(--ink);padding:9px 12px;font-size:.875rem;min-height:42px;cursor:pointer;white-space:nowrap}.theme-toggle:hover{border-color:var(--muted)}.theme-symbol{font-size:1.15rem;line-height:1}.hero{grid-template-columns:1.3fr .7fr;gap:64px}.portrait-column{width:100%;max-width:300px;justify-self:center;padding-top:0}.portrait-frame{aspect-ratio:4/5;border-radius:12px;border:1px solid var(--line);background:var(--portrait-bg)}.portrait-frame img{object-fit:contain;object-position:center;filter:none}.portrait-fallback{background:var(--portrait-bg)}.portrait-fallback>span{font-size:5.5rem}.portrait-caption{justify-content:center;gap:8px 15px;font-size:.75rem}.profile-links{display:flex;gap:20px;font-size:.875rem;margin-top:22px;color:var(--muted)}.profile-links a{border-bottom:1px solid transparent}.profile-links a:hover{border-color:currentColor;color:var(--accent-link)}.academic-note{margin-top:26px}.hero h1 span{color:var(--title-secondary)}.track-geo{background:var(--geo)}.projects-section{background:var(--projects)}.track>p{color:var(--body-detail)}.research-band,.contact-section{background:var(--band)}.header nav a:hover,.text-link:hover,.project-link:hover{color:var(--accent-link)}.theme-toggle:focus-visible{outline:3px solid #3f6ed4;outline-offset:4px}
html[data-theme="dark"]{color-scheme:dark;--ink:#e7edf5;--muted:#afbbca;--paper:#101823;--line:#354355;--blue:#192b3b;--header-bg:rgba(16,24,35,.97);--geo:#202e28;--projects:#151f2c;--body-detail:#bdc9d7;--title-secondary:#b5c7da;--accent-link:#cde898;--band:#0b121b;--portrait-bg:#1d2a3a}
html[data-theme="dark"] .primary{background:#dbe8f5;color:#101823}html[data-theme="dark"] .primary:hover{background:#f0f5fa}html[data-theme="dark"] .track-number{color:#b6c8d9}html[data-theme="dark"] .topic-list li,html[data-theme="dark"] .project-row,html[data-theme="dark"] .tags span,html[data-theme="dark"] .future-note{border-color:var(--line)}html[data-theme="dark"] .topic-list li:before{color:#b3c7d6}html[data-theme="dark"] .portrait-fallback>span{color:#b2c5d8}html[data-theme="dark"] .portrait-fallback small{color:#bacbdd}html[data-theme="dark"] .wordmark span{color:#c2dc8b}html[data-theme="dark"] ::selection{color:#101823;background:#dbf58c}
@media(max-width:1100px){.header-actions{gap:18px}.header nav{gap:20px}.hero{gap:35px}.portrait-column{max-width:280px}}
@media(max-width:820px){.header{flex-wrap:wrap;gap:14px;padding-block:15px}.header-actions{flex:1;justify-content:flex-end;gap:18px}.header nav{gap:17px;font-size:.8rem}.theme-toggle{font-size:.8rem;padding:8px 10px}.hero{gap:30px}.hero h1{font-size:4.5rem}}
@media(max-width:700px){html{scroll-padding-top:125px}.header{display:grid;grid-template-columns:1fr;padding:14px 20px;gap:12px}.wordmark{position:absolute;top:15px;left:20px}.header-actions{display:grid;grid-template-columns:1fr auto;gap:10px;width:100%}.theme-toggle{grid-column:2;grid-row:1}.header nav{grid-row:2;grid-column:1/-1;justify-content:space-between;gap:15px;padding-top:3px}.header nav a[href='#about']{display:inline}.hero{grid-template-columns:1fr;gap:30px;padding-top:35px}.hero h1{font-size:clamp(3.5rem,14vw,5rem)}.portrait-column{max-width:250px;justify-self:center}.portrait-frame{aspect-ratio:4/5;border-radius:12px}.portrait-caption{font-size:.75rem}.contact-links{gap:18px}.profile-links{margin-top:18px}.theme-toggle{min-height:40px}.hero-lead{font-size:1.35rem}}
@media print{.header,.copy-email,#copy-status,.footer>a{display:none}html[data-theme]{--paper:white;--ink:#101d2b;--muted:#526171;--blue:#f1f4f7;--geo:#f1f4f7;--projects:white;--body-detail:#465664;--title-secondary:#536779}body{background:white;color:#101d2b}.research-band,.contact-section{background:white;color:#101d2b}.contact-section p:not(.eyebrow),.band-inner p:last-child,.band-inner strong{color:#465664}.section{padding-block:30px}.wrap{width:100%}.track,.project-row,.education{break-inside:avoid}}

/* Link icons and restrained interaction details. */
.icon{width:19px;height:19px;flex:0 0 auto;vertical-align:middle}
.profile-links a,.contact-links a,.text-link,.project-link,.copy-email{display:inline-flex;align-items:center;gap:9px}
.theme-toggle{width:42px;height:42px;min-height:42px;padding:0;border-radius:50%;flex:0 0 auto}
.theme-toggle .icon{width:20px;height:20px}.theme-sun{display:none}
html[data-theme="dark"] .theme-moon{display:none}html[data-theme="dark"] .theme-sun{display:block}
.portrait-column{align-self:start;margin-top:50px}
.portrait-frame{aspect-ratio:auto;border:0;background:transparent}
.portrait-frame img{position:relative;inset:auto;display:block;width:100%;height:auto;object-fit:initial;filter:none}
.portrait-frame img[hidden]{display:none}
.portrait-fallback{display:none}
.portrait-frame.is-missing .portrait-fallback{display:flex;aspect-ratio:1;height:auto}
.email{display:flex;align-items:center;gap:12px}.email span{min-width:0;overflow-wrap:anywhere}.email .icon{width:22px;height:22px}
.text-link,.project-link{padding-block:7px;border-bottom:0;position:relative;transition:color .2s,transform .2s}
.text-link:after,.project-link:after{content:"";position:absolute;bottom:1px;left:28px;right:0;height:1px;background:currentColor;transform:scaleX(.35);transform-origin:left;transition:transform .22s}
.cv-link .icon{transition:transform .22s}.profile-links a,.contact-links a,.copy-email,.theme-toggle{transition:transform .2s,color .2s,background .2s,border-color .2s}
.track{transition:transform .22s,box-shadow .22s}
a:focus-visible,button:focus-visible{outline:3px solid #6c94dd;outline-offset:5px}
@media(hover:hover){.text-link:hover,.project-link:hover{transform:translateY(-2px)}.text-link:hover:after,.project-link:hover:after{transform:scaleX(1)}.cv-link:hover .icon{transform:translateY(-3px)}.profile-links a:hover,.contact-links a:hover,.copy-email:hover{transform:translateY(-2px)}.theme-toggle:hover{transform:rotate(12deg);background:var(--blue)}.track:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(16,29,43,.06)}}
@media(max-width:700px){.portrait-column{margin-top:0}.theme-toggle{width:40px;height:40px;min-height:40px}.email{gap:9px}.email .icon{width:18px;height:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.button:hover,.text-link:hover,.project-link:hover,.cv-link:hover .icon,.profile-links a:hover,.contact-links a:hover,.copy-email:hover,.theme-toggle:hover,.track:hover{transform:none}}