*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#ffffff;
  --bg2:#f7f7f5;
  --text:#1a1a1a;
  --text2:#4a4a4a;
  --muted:#888;
  --border:#e0e0de;
  --accent:#156082;
  --accent2:#156082;
  --serif:'DM Serif Display',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden}

/* Nav */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 3rem;transition:all .4s}
nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 1px 0 var(--border)}
.nav-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:80px}
.nav-logo{font-family:var(--serif);font-size:1.1rem;color:var(--text);text-decoration:none}
.nav-links{display:flex;gap:2.5rem;list-style:none}
.nav-links a{font-size:.8rem;font-weight:500;color:var(--text2);text-decoration:none;letter-spacing:.06em;text-transform:uppercase;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle svg{width:24px;height:24px;stroke:var(--text);stroke-width:2;fill:none}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:0 3rem;background:var(--bg2)}
.hero-content{max-width:1400px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding:6rem 0}
.hero-text{padding-right:2rem}
.hero-name{font-family:var(--serif);font-size:5.5rem;line-height:.95;letter-spacing:-.03em;color:var(--text);margin-bottom:1.5rem}
.hero-roles{font-size:.85rem;font-weight:500;letter-spacing:.15em;text-transform:uppercase;color:var(--accent2);margin-bottom:2rem}
.hero-desc{font-size:1.05rem;line-height:1.8;color:var(--text2);max-width:480px;font-weight:300}
.hero-cta{display:flex;gap:1rem;margin-top:2.5rem}
.hero-image{position:relative;display:flex;flex-direction:column;align-items:center}
.hero-image img{width:100%;max-width:480px;height:auto;object-fit:cover;border-radius:20px 20px 0 0}
.hero-icons{display:flex;justify-content:center;gap:1.25rem;padding:1rem 0;background:var(--bg);border:1px solid var(--border);border-top:none;border-radius:0 0 20px 20px;width:100%;max-width:480px}
.hero-icons a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--bg);transition:all .3s}
.hero-icons a:hover{border-color:var(--accent);background:var(--accent)}
.hero-icons a:hover svg{fill:var(--bg);stroke:var(--bg)}
.hero-icons svg{width:16px;height:16px;fill:var(--text2);stroke:none;transition:all .3s}
.hero-icons svg.stroke-icon{fill:none;stroke:var(--text2);stroke-width:1.5}
.hero-icons a:hover svg.stroke-icon{fill:none;stroke:var(--bg)}

.nav-links a.nav-home{display:inline-flex;align-items:center}
.nav-links a.nav-home svg{width:21px;height:21px;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* Social row (about page) */
.social-row{display:flex;justify-content:center;gap:1.25rem;margin-top:1.75rem;max-width:640px}
.social-row a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:var(--bg);transition:all .3s}
.social-row a:hover{border-color:var(--accent);background:var(--accent)}
.social-row svg{width:17px;height:17px;fill:var(--text2);stroke:none;transition:all .3s}
.social-row svg.stroke-icon{fill:none;stroke:var(--text2);stroke-width:1.5}
.social-row a:hover svg{fill:var(--bg);stroke:none}
.social-row a:hover svg.stroke-icon{fill:none;stroke:var(--bg)}

.orcid-icon{display:block;width:18px;height:18px;background:var(--text2);-webkit-mask:url(orcid-mask.png) center/contain no-repeat;mask:url(orcid-mask.png) center/contain no-repeat;transition:background .3s}
.hero-icons a:hover .orcid-icon,.social-row a:hover .orcid-icon{background:var(--bg)}

.contact-card{max-width:420px;margin:2rem auto 0;padding:1.5rem 1.5rem 1.75rem;border:1px solid var(--border);border-radius:14px;background:var(--bg);text-align:center;transition:box-shadow .35s,border-color .35s}
.contact-card:hover{border-color:#cfcfcc;box-shadow:0 12px 36px rgba(0,0,0,.07)}
.contact-title{font-family:var(--serif);font-size:1.3rem;font-weight:400;letter-spacing:-.01em;margin-bottom:1.1rem;color:var(--text)}
.contact-card .social-row{margin:0 auto;max-width:none;gap:.85rem}
.contact-card .social-row a{position:relative;width:46px;height:46px;transition:all .3s,transform .3s}
.contact-card .social-row a:hover,.contact-card .social-row a:focus-visible{transform:translateY(-4px);box-shadow:0 8px 18px rgba(21,96,130,.22)}
.contact-card .social-row a:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
.contact-card .social-row svg{width:19px;height:19px}
.contact-card .orcid-icon{width:24px;height:24px}
.contact-card .social-row a::after{content:attr(data-label);position:absolute;left:50%;top:calc(100% + 10px);transform:translate(-50%,-4px);padding:.3rem .6rem;border-radius:6px;background:var(--text);color:#fff;font-size:.7rem;font-weight:500;letter-spacing:.03em;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.contact-card .social-row a:hover::after,.contact-card .social-row a:focus-visible::after{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.contact-card{margin-top:1.5rem}.contact-card .social-row{gap:.6rem}.contact-card .social-row a{width:42px;height:42px}}
@media(prefers-reduced-motion:reduce){.contact-card .social-row a,.contact-card .social-row a::after{transition:none}}

/* Education card */
.edu-card{max-width:560px;padding:1.75rem 2rem;border:1px solid var(--border);border-radius:14px;background:var(--bg);transition:box-shadow .35s,border-color .35s}
.edu-card:hover{border-color:#cfcfcc;box-shadow:0 12px 36px rgba(0,0,0,.06)}
.section .edu-card h2{font-family:var(--serif);font-size:1.5rem;font-weight:400;letter-spacing:-.01em;margin-bottom:1.1rem}
.edu-list{list-style:none;margin:0;padding:0}
.edu-section{margin-top:1rem}
.edu-wide{max-width:none;padding:0;border:none;border-top:1px solid var(--border);border-radius:0;background:var(--bg);box-shadow:none}
.edu-wide:hover{box-shadow:none;border-color:var(--border)}
.edu-wide .edu-list{max-width:1400px;margin:0 auto;padding:0 3rem}
.edu-wide .edu-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0}
@media(min-width:1101px){.edu-wide .edu-list{grid-template-columns:1fr 1.06fr 1fr 1.25fr}}
.edu-wide .edu-item{margin:0;padding:1.6rem 1.1rem;border-radius:0;align-items:flex-start;gap:.85rem}
.edu-wide .edu-logo{margin-top:.1rem}
.edu-wide .edu-degree{font-size:1rem}
.edu-wide .edu-item+.edu-item{border-top:none;border-left:1px solid var(--border)}
.edu-wide .edu-item:first-child{padding-left:0}
.edu-wide .edu-item:first-child:hover{box-shadow:-3rem 0 0 var(--bg2)}
@media(max-width:900px){.edu-wide .edu-list{padding:0 1.5rem}.edu-wide .edu-item{padding:1.1rem 0}.edu-wide .edu-item:first-child:hover{box-shadow:-1.5rem 0 0 var(--bg2),1.5rem 0 0 var(--bg2)}.edu-wide .edu-item+.edu-item{border-left:none;border-top:1px solid var(--border)}}
.edu-item{display:flex;align-items:center;gap:1rem;padding:.8rem .75rem;margin:0 -.75rem;transition:background .25s}
.edu-item+.edu-item{border-top:1px solid var(--border)}
.edu-item:hover{background:var(--bg2)}
.edu-logo{display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex-shrink:0}
.edu-logo img{display:block;max-width:100%;max-height:100%;width:auto;height:auto}
.edu-text{display:flex;flex-direction:column;gap:.15rem}
.edu-degree{font-family:var(--serif);font-size:1.05rem;color:var(--text);line-height:1.35}
.edu-year{font-size:.8rem;font-weight:600;letter-spacing:.04em;color:var(--accent2)}
.edu-inst{font-size:.82rem;color:var(--muted)}

/* Buttons */
.btn-primary{display:inline-block;font-size:.82rem;font-weight:500;letter-spacing:.04em;color:#fff;background:var(--accent);padding:.85rem 2rem;border-radius:6px;text-decoration:none;transition:all .3s}
.btn-primary:hover{background:#0f4a64;box-shadow:0 4px 20px rgba(21,96,130,.2)}
.btn-outline{display:inline-block;font-size:.82rem;font-weight:500;letter-spacing:.04em;color:var(--text);background:transparent;padding:.85rem 2rem;border-radius:6px;border:1px solid var(--border);text-decoration:none;transition:all .3s}
.btn-outline:hover{border-color:var(--text);background:var(--bg2)}

/* Info Bar */
.info-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg)}
.info-inner{max-width:1400px;margin:0 auto;padding:0 3rem;display:grid;grid-template-columns:repeat(4,1fr)}
.info-item{padding:1.75rem 0;border-right:1px solid var(--border);padding-right:2rem;padding-left:2rem}
.info-item:first-child{padding-left:0}
.info-item:last-child{border-right:none}
.info-label{display:block;font-size:.65rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.25rem}
.info-value{display:block;font-size:.9rem;font-weight:500;color:var(--text)}
.info-link{color:var(--text);text-decoration:none;transition:color .2s}
.info-link:hover{color:var(--accent2)}

/* Sections */
.section{max-width:1400px;margin:0 auto;padding:3.5rem 3rem}
.overline{display:block;font-size:.65rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--accent2);margin-bottom:.75rem}
.section h2{font-family:var(--serif);font-size:2.5rem;letter-spacing:-.02em;margin-bottom:1.5rem;line-height:1.2}
.section h2 em{font-style:italic}

/* Two Col */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.col-right p{font-size:1rem;line-height:1.85;color:var(--text2);margin-bottom:1.25rem;font-weight:300}

/* Labs */
.labs-section{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);max-width:100%;padding:3.5rem 3rem}
.labs-section .overline,.labs-section h2{max-width:1400px;margin-left:auto;margin-right:auto}
.labs-section h2{margin-bottom:1.5rem}
.labs-grid{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.labs-grid-4{grid-template-columns:repeat(4,1fr);gap:1.25rem}
.labs-grid-4 .lab-card{padding:1.5rem 1.5rem 3rem}
@media(max-width:1100px) and (min-width:901px){.labs-grid-4{grid-template-columns:repeat(2,1fr)}}
.lab-card{padding:2rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);transition:box-shadow .3s}
.lab-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.06)}
.lab-card{position:relative}
.lab-logo{position:absolute;right:1rem;bottom:.8rem;display:flex;align-items:center;filter:grayscale(1);opacity:.4;transition:filter .35s,opacity .35s}
.lab-logo img{display:block;height:17px;width:auto}
.lab-logo img.hu{height:22px}
.lab-logo::after{content:attr(data-label);position:absolute;right:0;bottom:calc(100% + 8px);padding:.3rem .6rem;border-radius:6px;background:var(--text);color:#fff;font-size:.7rem;font-weight:500;letter-spacing:.03em;white-space:nowrap;opacity:0;transform:translateY(4px);pointer-events:none;transition:opacity .25s,transform .25s}
.lab-card:hover .lab-logo,.lab-logo:hover{filter:none;opacity:1}
.lab-logo:hover::after{opacity:1;transform:none}
.lab-role{display:block;font-size:.65rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent2);margin-bottom:.75rem}
.lab-card h3{font-family:var(--serif);font-size:1.15rem;margin-bottom:.75rem;font-weight:400}
.lab-card p{font-size:.85rem;color:var(--text2);line-height:1.7}
.card-link{display:inline-block;font-size:.8rem;font-weight:500;color:var(--accent2);text-decoration:none;margin-top:.75rem;transition:color .2s}
.card-link:hover{color:var(--accent)}

/* Publications */
.pub-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}
.pub-row{display:grid;grid-template-columns:60px 1fr 200px 30px;gap:1.5rem;align-items:center;padding:1.5rem 0;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text);transition:background .2s}
.pub-row:hover{background:var(--bg2);padding-left:1rem;padding-right:1rem;margin-left:-1rem;margin-right:-1rem;border-radius:6px}
.pub-year{font-size:.8rem;color:var(--muted);font-weight:500}
.pub-title{font-size:.95rem;font-weight:400;line-height:1.5}
.pub-venue{font-size:.8rem;color:var(--muted);font-style:italic;text-align:right}
.pub-arrow{font-size:1.1rem;color:var(--muted);transition:transform .2s}
.pub-row:hover .pub-arrow{transform:translateX(4px);color:var(--text)}
.pub-row-detail{display:grid;grid-template-columns:60px 1fr;gap:1.5rem;padding:1.5rem 0;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text);transition:background .2s}
.pub-row-detail:hover{background:var(--bg2);padding-left:1rem;padding-right:1rem;margin-left:-1rem;margin-right:-1rem;border-radius:6px}
.pub-row-detail .pub-meta{display:flex;flex-direction:column;gap:.35rem}
.pub-row-detail .pub-title{font-size:.95rem;font-weight:500;line-height:1.5}
.pub-row-detail .pub-authors{font-size:.82rem;color:var(--text2);line-height:1.6}
.pub-row-detail .pub-venue-line{font-size:.8rem;color:var(--muted);font-style:italic}

/* CTA */
.cta-section{background:var(--accent);color:#fff;text-align:center;padding:5rem 3rem}
.cta-inner{max-width:600px;margin:0 auto}
.cta-inner h2{font-family:var(--serif);font-size:2.25rem;margin-bottom:1rem;color:#fff}
.cta-inner p{font-size:1rem;color:rgba(255,255,255,.7);margin-bottom:2rem;font-weight:300}
.cta-inner .btn-primary{background:#fff;color:var(--accent);border:none}
.cta-inner .btn-primary:hover{background:rgba(255,255,255,.9);box-shadow:0 4px 20px rgba(0,0,0,.15)}

/* Footer */
footer{padding:3rem;border-top:1px solid var(--border)}
.footer-inner{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.footer-links{display:flex;gap:2rem}
.footer-links a{font-size:.8rem;color:var(--muted);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--text)}
footer p{font-size:.75rem;color:var(--muted)}

/* Page Header (subpages) */
.page-header{padding:8rem 3rem 2rem;max-width:1400px;margin:0 auto}
.page-header .overline{margin-bottom:.75rem}
.page-header h1{font-family:var(--serif);font-size:3.5rem;letter-spacing:-.02em;line-height:1.1}
.page-header p{font-size:1.1rem;color:var(--text2);margin-top:1rem;max-width:600px;font-weight:300;line-height:1.8}

/* Pub page types */
.pub-type{display:inline-block;font-size:.6rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--accent2);background:rgba(21,96,130,.06);padding:3px 8px;border-radius:4px;margin-right:.5rem}
.pub-card{padding:1.5rem 0;border-bottom:1px solid var(--border)}
.pub-card .pub-title{font-size:.95rem;font-weight:400;line-height:1.6;margin-bottom:.25rem}
.pub-card .pub-authors{font-size:.82rem;color:var(--muted);margin-top:.25rem}
.pub-card .pub-venue-full{font-size:.82rem;color:var(--muted);font-style:italic}

/* Teaching */
.teaching-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.25rem}
.course{padding:1.75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);transition:box-shadow .3s}
.course:hover{box-shadow:0 6px 24px rgba(0,0,0,.04)}
.course-code{font-size:.65rem;font-weight:600;color:var(--accent2);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.35rem}
.course-name{font-family:var(--serif);font-size:1.05rem;font-weight:400}
.course-detail{font-size:.82rem;color:var(--muted);margin-top:.35rem}
.usc-mark{display:inline-block;height:1.15em;width:auto;vertical-align:-.22em;margin-right:.35rem}
.hu-mark{height:1.3em;vertical-align:-.3em}
.ta-note .usc-mark{height:1.6em;vertical-align:-.45em}
.ta-note .hu-mark{height:1.7em}

/* Awards */
.awards-list{display:flex;flex-direction:column}
.labs-section .awards-list{max-width:1400px;margin:0 auto}
.award{display:flex;gap:2rem;align-items:baseline;padding:1.25rem 0;border-bottom:1px solid var(--border)}
.award-year{font-size:.8rem;font-weight:600;color:var(--accent2);min-width:3.5rem;flex-shrink:0}
.award-info h3{font-size:.95rem;font-weight:400}
.award-info p{font-size:.82rem;color:var(--muted);margin-top:.15rem}

/* Contact page */
.contact-links{display:flex;flex-direction:column;gap:1rem;max-width:500px}
.contact-link{display:inline-flex;align-items:center;gap:.75rem;font-size:.9rem;font-weight:400;color:var(--text);text-decoration:none;padding:1rem 1.5rem;border:1px solid var(--border);border-radius:8px;transition:all .3s}
.contact-link:hover{border-color:var(--text);box-shadow:0 4px 16px rgba(0,0,0,.04)}
.contact-link svg{width:20px;height:20px;stroke:var(--muted);stroke-width:1.5;fill:none;flex-shrink:0}


/* Portfolio apps */
.app-card{max-width:880px;border:1px solid var(--border);border-radius:8px;background:var(--bg);overflow:hidden;transition:box-shadow .3s}
.app-card:hover{box-shadow:0 6px 24px rgba(0,0,0,.06)}
.app-img{display:block;width:100%;height:auto;border-bottom:1px solid var(--border)}
.app-body{padding:2rem}
.app-body h3{margin:.35rem 0 1rem;font-size:1.5rem}
.app-body p{font-size:.92rem;line-height:1.8;color:var(--text2);font-weight:300;margin-bottom:1rem}
.app-body .app-skills{font-size:.78rem;color:var(--muted);font-weight:500;margin-bottom:0}

.app-side{display:grid;grid-template-columns:300px 1fr;max-width:1000px}
.app-thumb{display:block;border-right:1px solid var(--border);background:var(--bg2)}
.app-thumb img{display:block;width:100%;height:auto}
.app-list{margin:0 0 1rem 1.1rem;font-size:.88rem;line-height:1.7;color:var(--text2);font-weight:300}
.app-list li{margin-bottom:.35rem}
@media(max-width:900px){.app-side{grid-template-columns:1fr}.app-thumb{border-right:none;border-bottom:1px solid var(--border)}}

.teaching-split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.teaching-split .teaching-grid:not(.ta-grid){grid-template-columns:1fr}
@media(max-width:900px){.teaching-split{grid-template-columns:1fr;gap:0}}

.philosophy-band{background:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:3.5rem 3rem;margin-top:1rem}
.philosophy{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:320px 1fr;gap:4rem;align-items:start}
.philosophy .overline{color:var(--accent2)}
.philosophy h2{font-family:var(--serif);font-size:2rem;letter-spacing:-.02em;line-height:1.2;margin-bottom:1.5rem;color:var(--text)}
.principles{list-style:none;margin:0;padding:0;border-top:1px solid var(--text)}
.principles li{display:flex;align-items:baseline;gap:1rem;padding:.6rem 0;border-bottom:1px solid var(--border);font-family:var(--serif);font-size:1.05rem;color:var(--text)}
.principles span{font-family:var(--sans);font-size:.65rem;font-weight:600;letter-spacing:.14em;color:var(--accent2)}
.philosophy-text p{font-size:1.05rem;line-height:1.8;font-weight:400;color:var(--text);margin-bottom:1.1rem}
.philosophy-text p:last-child{margin-bottom:0}
.philosophy strong{font-weight:600;background:linear-gradient(transparent 58%,rgba(21,96,130,.2) 58%);padding:0 .1em}
.teaching-split .sub-title{font-family:var(--serif);font-size:1.4rem;font-weight:400;letter-spacing:-.01em;margin-bottom:1rem;color:var(--text)}
@media(max-width:900px){.philosophy-band{padding:2.5rem 1.5rem}.philosophy{grid-template-columns:1fr;gap:1.75rem}}

/* Testimonials */
.quote-group{margin-bottom:2.75rem}
.quote-group>.course-code{display:block;margin-bottom:1rem;font-size:.8rem;letter-spacing:.14em;color:var(--accent);padding-bottom:.6rem;border-bottom:2px solid var(--accent)}
.quote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem}
.quote{position:relative;margin:0;padding:2.25rem 2rem 1.75rem;border-radius:10px;background:var(--bg2);border-top:5px solid var(--accent);box-shadow:0 8px 28px rgba(0,0,0,.07);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.quote::before{content:'\201C';position:absolute;top:-.6rem;right:1.25rem;font-family:var(--serif);font-size:9rem;line-height:1;color:var(--accent);opacity:.08;pointer-events:none}
.quote blockquote{position:relative;font-family:var(--serif);font-style:italic;font-size:1.3rem;line-height:1.55;color:var(--text);font-weight:400}
.quote figcaption{position:relative;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent2);margin-top:1.25rem}

.coming-soon{display:flex;align-items:center;gap:1.25rem;max-width:880px;padding:1.75rem 2rem;border:1px dashed var(--border);border-radius:8px;background:var(--bg2)}
.coming-pill{flex-shrink:0;font-size:.65rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent2);background:rgba(21,96,130,.08);padding:.4rem .8rem;border-radius:999px}
.coming-soon p{font-size:.95rem;color:var(--text2);font-weight:300}

/* Chatbots card and lightbox */
.chatbots{max-width:1100px}
.cb-row{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center;padding:2rem}
.cb-row+.cb-row{border-top:1px solid var(--border)}
.cb-text .course-code{display:block}
.cb-text h3{margin:.35rem 0 .9rem;font-size:1.3rem}
.cb-text p{font-size:.92rem;line-height:1.8;color:var(--text2);font-weight:300;margin-bottom:.9rem}
.cb-text .app-skills{font-size:.78rem;color:var(--muted);font-weight:500;margin-bottom:0}
.shot{display:block;width:100%;padding:0;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.06);cursor:zoom-in;text-align:left;transition:box-shadow .35s,transform .35s}
.shot:hover{box-shadow:0 14px 36px rgba(0,0,0,.12);transform:translateY(-3px)}
.shot:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
.shot-bar{display:flex;align-items:center;gap:6px;height:30px;padding:0 12px;background:var(--bg2);border-bottom:1px solid var(--border)}
.shot-bar i{width:8px;height:8px;border-radius:50%;background:#d9d9d6}
.shot-bar em{margin-left:auto;font-style:normal;font-size:.68rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);opacity:.75;transition:opacity .3s}
.shot:hover .shot-bar em{opacity:1}
.shot-view{height:210px}
.shot-set .shot.wide .shot-view{height:170px}
.shot-view{position:relative;display:block;height:220px;overflow:hidden}
.shot-view::after{content:'';position:absolute;left:0;right:0;bottom:0;height:70px;background:linear-gradient(to top,#fff,rgba(255,255,255,0))}
.shot-view.no-fade::after{display:none}
.shot-view img{display:block;width:100%;height:100%;object-fit:cover;object-position:top left;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.shot:hover .shot-view img{transform:scale(1.04)}
@media(max-width:900px){.cb-row{grid-template-columns:1fr;gap:1.5rem;padding:1.5rem}}

.lb{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:3.5rem 4rem 4.5rem;background:rgba(12,14,18,.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;visibility:hidden;transition:opacity .35s ease,visibility 0s linear .35s}
.lb.open{opacity:1;visibility:visible;transition:opacity .35s ease}
.lb-fig{margin:0;display:flex;flex-direction:column;align-items:center;max-width:100%;max-height:100%;min-height:0}
.lb-img{display:block;max-width:min(1400px,100%);max-height:calc(100vh - 11rem);width:auto;height:auto;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.5);background:#fff;will-change:transform;transition:transform .45s cubic-bezier(.2,.8,.2,1),opacity .3s}
.lb-cap{margin-top:1rem;color:rgba(255,255,255,.9);font-size:.85rem;font-weight:500;letter-spacing:.02em;text-align:center;opacity:0;transition:opacity .3s .15s}
.lb.open .lb-cap{opacity:1}
.lb-btn{position:absolute;display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.25);border-radius:50%;background:rgba(255,255,255,.08);color:#fff;cursor:pointer;transition:background .25s,transform .25s}
.lb-btn:hover{background:rgba(255,255,255,.2)}
.lb-btn:focus-visible{outline:2px solid #fff;outline-offset:3px}
.lb-btn svg{width:20px;height:20px;stroke:#fff;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.lb-close{top:1.25rem;right:1.25rem}
.lb-prev{left:1.25rem;top:50%;margin-top:-22px}
.lb-next{right:1.25rem;top:50%;margin-top:-22px}
.lb-count{position:absolute;top:1.6rem;left:1.5rem;color:rgba(255,255,255,.7);font-size:.75rem;font-weight:600;letter-spacing:.12em}
@media(max-width:900px){.lb{padding:4rem 1rem 4rem}.lb-prev{left:.5rem}.lb-next{right:.5rem}}
@media(prefers-reduced-motion:reduce){.lb,.lb-img,.lb-cap,.shot,.shot-view img{transition:none}}

/* Health Bot stack */
.hb-stack{width:100%;max-width:540px;margin:0 auto;outline:none}
.hb-viewport{position:relative;width:100%;aspect-ratio:1.7/1;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.hb-page{position:absolute;top:0;left:0;right:0;margin:0 auto;width:calc(100%/1.4);aspect-ratio:5/4.1;display:flex;flex-direction:column;padding:0;text-align:left;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateX(calc(var(--o,0)*14%)) scale(calc(1 - var(--a,0)*.06));transition:transform .6s cubic-bezier(.4,0,.2,1),opacity .6s ease,box-shadow .6s ease;cursor:pointer}
.hb-page .shot-view{flex:1;min-height:0;height:auto}
.hb-page.is-active{cursor:zoom-in;box-shadow:0 18px 46px rgba(0,0,0,.16)}
.hb-page.is-far{opacity:0;pointer-events:none}
.hb-page:not(.is-active) .shot-view::after{display:none}
.hb-page:not(.is-active) .shot-bar em{opacity:0}
.hb-page:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
.hb-controls{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-top:1.25rem}
.stack-btn{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--bg);cursor:pointer;transition:all .3s}
.stack-btn svg{width:15px;height:15px;stroke:var(--text2);stroke-width:1.75;fill:none;transition:stroke .3s}
.stack-btn:hover:not(:disabled){border-color:var(--accent);background:var(--accent)}
.stack-btn:hover:not(:disabled) svg{stroke:var(--bg)}
.stack-btn:disabled{opacity:.35;cursor:default}
.stack-btn:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
.stack-count{margin-left:.5rem;font-size:.72rem;font-weight:600;letter-spacing:.12em;color:var(--muted)}
@media(prefers-reduced-motion:reduce){.hb-page{transition:none}}

/* See More */
.see-more-btn{display:inline-block;margin-top:1.5rem;font-size:.82rem;font-weight:500;color:var(--accent2);background:none;border:1px solid var(--border);padding:.6rem 1.5rem;border-radius:6px;cursor:pointer;transition:all .3s;letter-spacing:.04em}
.see-more-btn:hover{border-color:var(--text);color:var(--text)}
.ta-hidden{max-height:0;overflow:hidden;opacity:0;transition:max-height .5s cubic-bezier(.4,0,.2,1),opacity .4s ease,margin .4s ease;margin-top:0}
.ta-hidden.open{max-height:2400px;opacity:1;margin-top:.75rem}
.ta-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.75rem}
.ta-grid .course{padding:1rem 1.25rem}
.ta-grid .course-name{font-size:.95rem}
.ta-grid .course-detail{font-size:.78rem}
.ta-note{font-size:.72rem;color:var(--muted);margin-top:1rem}

/* Sticky jump-to nav */
.subnav{position:sticky;top:80px;z-index:90;background:rgba(255,255,255,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);border-top:3px solid var(--accent);transition:box-shadow .3s}
.subnav.is-stuck{box-shadow:0 10px 28px rgba(0,0,0,.1)}
.subnav-inner{max-width:1400px;margin:0 auto;padding:0 3rem;display:flex;align-items:center;gap:1.75rem;height:62px}
.subnav-label{display:inline-flex;align-items:center;gap:.65rem;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);flex-shrink:0}
.subnav-label::before{content:'';width:9px;height:9px;border-radius:50%;background:var(--accent);animation:sn-pulse 1.8s ease-out infinite}
@keyframes sn-pulse{0%{box-shadow:0 0 0 0 rgba(21,96,130,.55)}70%{box-shadow:0 0 0 10px rgba(21,96,130,0)}100%{box-shadow:0 0 0 0 rgba(21,96,130,0)}}
.subnav-links{position:relative;display:flex;gap:.35rem;list-style:none;margin:0;padding:0;height:100%;align-items:stretch;flex:1;overflow-x:auto;scrollbar-width:none}
.subnav-links::-webkit-scrollbar{display:none}
.subnav-links li:not(.subnav-indicator){display:flex;animation:sn-in .55s cubic-bezier(.2,.8,.2,1) backwards}
.subnav-links li:nth-child(1){animation-delay:.05s}.subnav-links li:nth-child(2){animation-delay:.1s}.subnav-links li:nth-child(3){animation-delay:.15s}.subnav-links li:nth-child(4){animation-delay:.2s}.subnav-links li:nth-child(5){animation-delay:.25s}.subnav-links li:nth-child(6){animation-delay:.3s}.subnav-links li:nth-child(7){animation-delay:.35s}
@keyframes sn-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.subnav-links a{position:relative;display:flex;align-items:center;padding:0 1.15rem;font-family:var(--serif);font-size:1.15rem;font-weight:400;color:var(--text);text-decoration:none;white-space:nowrap;letter-spacing:0;transition:color .25s,background .25s}
.subnav-links a:hover{color:var(--accent);background:rgba(21,96,130,.07)}
.subnav-links a[aria-current="true"]{color:var(--accent);background:rgba(21,96,130,.09)}
.subnav-links a:focus-visible,.subnav-top:focus-visible{outline:2px solid var(--accent2);outline-offset:-4px;border-radius:4px}
.subnav-indicator{position:absolute;left:0;bottom:0;height:4px;width:0;background:var(--accent);border-radius:4px 4px 0 0;opacity:0;pointer-events:none;transition:transform .45s cubic-bezier(.4,0,.2,1),width .45s cubic-bezier(.4,0,.2,1),opacity .3s;animation:sn-glow 2.4s ease-in-out infinite}
@keyframes sn-glow{0%,100%{box-shadow:0 0 0 0 rgba(21,96,130,0)}50%{box-shadow:0 -4px 14px 0 rgba(21,96,130,.45)}}
.subnav-top{flex-shrink:0;font:inherit;font-size:.8rem;font-weight:600;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:999px;padding:.4rem 1rem;cursor:pointer;opacity:0;transform:translateY(4px);pointer-events:none;transition:opacity .3s,transform .3s,box-shadow .2s}
.subnav.is-stuck .subnav-top{opacity:1;transform:none;pointer-events:auto}
.subnav-top:hover{box-shadow:0 4px 14px rgba(21,96,130,.35);transform:translateY(-1px)}
.subnav-progress{position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--accent);opacity:.35;transform:scaleX(0);transform-origin:left;will-change:transform}
section[id],.app-card[id],.contact-card[id]{scroll-margin-top:150px}
@media(max-width:900px){.subnav-inner{padding:0 1rem;gap:.75rem;height:56px}.subnav-label{display:none}.subnav-top{display:none}.subnav-links a{padding:0 .85rem;font-size:1.02rem}}
@media(prefers-reduced-motion:reduce){.subnav-indicator,.subnav-top,.subnav,.subnav-links a{transition:none}.subnav-label::before,.subnav-links li,.subnav-indicator{animation:none}}

/* Skills */
.skill-tabs{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:1.1rem}
.skill-tab{display:inline-flex;align-items:center;gap:.4rem;font:inherit;font-size:.72rem;font-weight:500;color:var(--text2);background:transparent;border:1px solid transparent;border-radius:999px;padding:.3rem .75rem;cursor:pointer;transition:all .25s}
.skill-tab span{font-size:.62rem;font-weight:600;color:var(--muted);transition:color .25s}
.skill-tab:hover{color:var(--text);border-color:var(--border)}
.skill-tab.is-active{background:var(--accent);border-color:var(--accent);color:#fff}
.skill-tab.is-active span{color:rgba(255,255,255,.75)}
.skill-tab:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
.skill-grid{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.skill{display:inline-flex;align-items:center;padding:.3rem .8rem;border:1px solid var(--border);border-radius:999px;background:#fff;transition:opacity .35s,transform .35s,border-color .25s,background .25s,filter .35s}
.skill:hover{border-color:var(--accent2);background:#fff;transform:translateY(-1px)}
.skill-mark,.skill-cat{display:none}
.skill-text{display:flex;min-width:0}
.skill-name{font-family:var(--sans);font-size:.8rem;font-weight:500;color:var(--text);line-height:1.3;overflow-wrap:anywhere}
.skill.is-dim{opacity:.22;transform:scale(.97);filter:grayscale(1);pointer-events:none}
@media(prefers-reduced-motion:reduce){.skill,.skill-tab{transition:none}.skill:hover{transform:none}}

/* Skills strip */
.skills-strip{background:var(--bg2);border-bottom:1px solid var(--border)}
.skills-strip .strip-pill{background:#fff;border-color:var(--border)}
.skills-strip .skill{background:#fff;border-color:var(--border)}
.strip-bar{max-width:1400px;margin:0 auto;padding:1.5rem 3rem;min-height:110px;display:flex;align-items:center;gap:2rem}
.strip-title{font-family:var(--serif);font-size:1.6rem;font-weight:400;letter-spacing:-.01em;color:var(--text);flex-shrink:0}
.strip-pills{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.strip-pill{display:inline-flex;align-items:center;gap:.6rem;padding:.45rem 1.1rem .45rem .45rem;border:1px solid var(--border);border-radius:999px;font-size:.95rem;font-weight:500;color:var(--text)}
.strip-mark{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:rgba(21,96,130,.1);color:var(--accent);font-size:.68rem;font-weight:600}
.strip-more{display:inline-flex;align-items:center;gap:.4rem;font:inherit;font-size:.9rem;font-weight:500;color:#fff;background:var(--accent);border:1px solid var(--accent);border-radius:999px;padding:.65rem 1.3rem;cursor:pointer;transition:background .25s,box-shadow .25s,transform .25s;flex-shrink:0;animation:strip-pulse 2.6s ease-in-out infinite}
.strip-more:hover{background:#0f4a64;border-color:#0f4a64;animation:none;box-shadow:0 6px 18px rgba(21,96,130,.3);transform:translateY(-1px)}
.strip-more:focus-visible{outline:2px solid var(--accent2);outline-offset:3px}
.strip-more[aria-expanded="true"]{animation:none}
.strip-more-count{font-size:.68rem;font-weight:600;color:rgba(255,255,255,.75)}
@keyframes strip-pulse{0%,100%{box-shadow:0 0 0 0 rgba(21,96,130,.35)}50%{box-shadow:0 0 0 9px rgba(21,96,130,0)}}
.strip-more svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .35s}
.strip-more[aria-expanded="true"] svg{transform:rotate(180deg)}
.strip-more[aria-expanded="true"] .strip-more-count{display:none}
.strip-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s cubic-bezier(.4,0,.2,1)}
.strip-panel.is-open{grid-template-rows:1fr}
.strip-panel-clip{overflow:hidden;min-height:0}
.strip-panel-inner{max-width:1400px;margin:0 auto;padding:.5rem 3rem 2.5rem;opacity:0;transform:translateY(-8px);transition:opacity .4s ease,transform .4s ease}
.strip-panel.is-open .strip-panel-inner{opacity:1;transform:none;transition-delay:.1s}
@media(max-width:900px){.strip-bar{padding:1.25rem 1.5rem;flex-wrap:wrap;gap:1rem}.strip-pills{flex-basis:100%;order:3}.strip-more{margin-left:0}.strip-panel-inner{padding:.5rem 1.5rem 2rem}}
@media(prefers-reduced-motion:reduce){.strip-panel,.strip-panel-inner,.strip-more svg{transition:none}.strip-more{animation:none}}

/* Scroll Reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
@media(prefers-reduced-motion:reduce){.reveal{transition:none;opacity:1;transform:none}}

/* Mobile */
@media(max-width:900px){
  nav{padding:0 1.5rem}
  .nav-links{position:fixed;top:80px;left:0;right:0;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);flex-direction:column;padding:1.5rem 2rem;gap:1.25rem;border-bottom:1px solid var(--border);transform:translateY(calc(-100% - 80px));transition:transform .25s ease}
  .nav-links.open{transform:translateY(0)}
  .nav-toggle{display:block}
  .hero{padding:0 1.5rem;min-height:auto}
  .hero-content{grid-template-columns:1fr;padding:8rem 0 3rem;gap:2.5rem}
  .hero-text{padding-right:0;order:2}
  .hero-image{order:1}
  .hero-image img{max-width:280px;margin:0 auto}
  .hero-name{font-size:3.5rem}
  .info-inner{grid-template-columns:repeat(2,1fr);padding:0 1.5rem}
  .info-item{padding:1.25rem .75rem}
  .section{padding:2.5rem 1.5rem}
  .two-col{grid-template-columns:1fr;gap:2rem}
  .section h2{font-size:2rem}
  .labs-section{padding:2.5rem 1.5rem}
  .labs-grid{grid-template-columns:1fr}
  .pub-row{grid-template-columns:50px 1fr 30px;gap:1rem}
  .pub-venue{display:none}
  .pub-row-detail{grid-template-columns:50px 1fr;gap:1rem}
  .cta-section{padding:4rem 1.5rem}
  footer{padding:2rem 1.5rem}
  .footer-inner{flex-direction:column;gap:1rem;text-align:center}
  .footer-links{justify-content:center;flex-wrap:wrap}
  .page-header{padding:8rem 1.5rem 3rem}
  .page-header h1{font-size:2.5rem}
}