/* Reading scale shared across the homepage, including compact screens. */
:root{--muted:#465e6b;--accent:#527780;--body-size:17px;--small-size:14px;--label-size:12px}
p{font-size:var(--body-size);line-height:1.7}
.site-header nav{font-size:14px;gap:24px}
.motion-toggle{width:36px;height:36px;font-size:13px}
.micro,.eyebrow,.section-label{font-size:var(--label-size);line-height:1.6;letter-spacing:1px;color:#506b78}
.section-label{gap:28px}
.section-label>span:last-child{font-size:11px;text-align:right}
.hero{align-items:center;padding-block:28px 32px}
.hero-copy{padding-block:14px}
.hero .eyebrow{font-size:12px;letter-spacing:1.1px}
.hero h1.identity-title{margin-block:24px 26px}
.hero-intro{font-size:20px;line-height:1.65;max-width:560px;color:#365362}
.identity-line{font-size:14px;line-height:1.65;margin-top:22px;max-width:550px;color:#506876}
.hero-actions{margin-top:28px;gap:25px}
.button,.text-link,.hero-actions .button,.hero-actions .text-link,.study-summary .button,.design-contribution .text-link{font-size:15px;line-height:1.5}
.button{padding:15px 22px}
.hero-actions .button{padding:15px 22px;gap:16px}
.hero-composition{height:auto;min-height:0;padding-top:16px}
.portrait-index{font-size:10px;letter-spacing:.8px;top:-7px}
.hero-portrait figcaption{padding:15px 12px 17px}
.hero-portrait figcaption .micro{font-size:11px;letter-spacing:.7px}
.hero-portrait figcaption strong{font-size:22px;line-height:1.25;margin-top:7px}
.hero-portrait figcaption>span:last-child{font-size:12px;line-height:1.5;color:#536b78;margin-top:6px}
.recognition-strip{gap:24px;grid-template-columns:.8fr 1fr 1.25fr auto}
.recognition-strip>.micro{font-size:11px}
.recognition-strip strong{font-size:16px;line-height:1.4}
.recognition-strip div>span{font-size:13px;line-height:1.6;color:#536b78;margin-top:5px}
.recognition-strip>a{font-size:13px}
.project-heading{gap:8%}
.project-heading p,.project-story p,.research-intro>p,.ra-panel p,.teaching-copy>p,.journey-aside>p{font-size:var(--body-size);line-height:1.7}
.project-heading p{max-width:560px}
.product-grid{gap:6%;grid-template-columns:1.2fr 1fr}
.product-view{position:sticky;top:24px;align-self:start}
.product-toolbar{font-size:11px;letter-spacing:.5px;gap:15px;line-height:1.6}
.screen-tabs button{font-size:14px;line-height:1.5;min-height:46px}
.product-view>p{font-size:15px;line-height:1.65;color:#4c6776;min-height:0;padding:12px 18px 20px}
.project-story h3{font-size:30px;line-height:1.2;letter-spacing:-.9px}
.study-summary h3{font-size:33px}
.study-summary .study-subtitle{font-size:15px;line-height:1.55;margin-bottom:17px}
.study-summary .study-caveat{font-size:14px;line-height:1.65;color:#506b78}
.project-foot{font:13px/1.7 Arial,Helvetica,sans-serif;color:#536b78;align-items:start;margin-top:30px}
.research-heading{gap:7%;align-items:start}
.role-bar{font-size:14px;line-height:1.5;padding:17px 22px}
.role-bar>span:last-child{font-size:11px;line-height:1.5;letter-spacing:.7px}
.research-tabs button{font-size:16px;line-height:1.45;padding:17px 20px}
.research-tabs button>span{font-size:11px;margin-right:12px}
.ra-panel{gap:6%;padding:30px;min-height:0}
.ra-panel h3{font-size:30px;line-height:1.2}
.ra-panel .connection{font-size:15px;line-height:1.7;color:#4e6875;margin-top:18px}
.research-evidence{padding:25px}
.research-evidence p{font-size:14px;line-height:1.7;color:#496570}
.research-evidence small{font-size:13px;line-height:1.5}
.paired-data{font-size:16px;gap:16px}
.paired-data em{font-size:27px}
.evidence-flow{font-size:18px}
.teaching-copy>p{max-width:760px}
.teaching-details summary{font-size:15px;min-height:54px}
.teaching-roles h3{font-size:20px;line-height:1.3}
.teaching-roles p{font-size:16px;line-height:1.7}
.teaching-roles .role-context{font-size:13px;line-height:1.6}
.teaching-copy>.teaching-credentials{font-size:13px;line-height:1.7;color:#506876}
.teaching-photo figcaption{font:11px/1.5 Arial,Helvetica,sans-serif;color:#506876}
.journey-grid{gap:10%}
.journey-aside>p{max-width:350px}
.year-nav a{font-size:16px;min-height:46px;gap:22px;color:#526f7c}
.year-nav a span{font-size:14px}
.journey-aside>.text-link{font-size:14px}
.timeline .micro{font-size:11px;letter-spacing:.7px}
.timeline .timeline-lead{font-size:19px;line-height:1.5}
.timeline-entry>p:not(.timeline-lead){font-size:16px;line-height:1.7;max-width:100%}
.degree-lines{font-size:16px;line-height:1.6}
.timeline-tags span{font-size:12px;line-height:1.5;padding:6px 10px;color:#506876}
.timeline-photo{width:180px;padding-bottom:14px}
.timeline-photo img{height:170px}
.timeline-photo figcaption{font:11px/1.45 Arial,Helvetica,sans-serif;color:#506876}
.timeline-entry>.text-link{font-size:14px;max-width:270px;gap:15px}
.footer-links{font-size:14px}
.footer-meta{font:12px/1.6 Arial,Helvetica,sans-serif;color:#536b78}
.hero-name{font:500 24px/1.4 Arial,Helvetica,sans-serif;letter-spacing:-.3px;color:#365362}
.hero-composition{padding-top:0}
.hero-portrait figcaption strong{margin-top:0}
.hero-portrait figcaption>span:last-child{font-size:13px}
.timeline-awards{list-style:none;margin:22px 0 8px;padding:14px 0;border-block:1px solid var(--line);display:grid;gap:10px}
.timeline-awards li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:15px;line-height:1.5;color:#365362}
.timeline-awards li>span:last-child{font-size:13px;color:#506876;white-space:nowrap}

/* Portraits have distinct roles: introduction, recognition, graduation and contact. */
.hero-portrait.hero-lifestyle{position:relative;inset:auto;margin-inline:auto;padding:8px;width:min(390px,calc(100% - 24px));border-radius:24px;overflow:hidden}
.hero-portrait.hero-lifestyle>img{width:100%;height:auto;aspect-ratio:3/4;object-fit:contain;object-position:center;border-radius:18px}
.hero-composition .orbit-drawing{opacity:.5}
.timeline-photo:has(img[src*="xiao-graduation"]){float:none;width:min(320px,100%);margin:24px 0 12px;transform:none;border-radius:12px;padding:7px 7px 12px}
.timeline-photo img[src*="xiao-graduation"]{height:auto;aspect-ratio:3/4;object-fit:cover;border-radius:7px}
.contact-footer{display:grid;grid-template-columns:minmax(0,1fr);gap:20px 26px;padding-block:34px 26px;align-items:center}
.contact-links{display:flex;align-items:center;gap:14px 28px;flex-wrap:wrap;margin-top:12px;color:#294b58;font-size:15px;line-height:1.6}
.contact-links a{padding-block:5px}
.contact-links a:hover{text-decoration:underline;text-underline-offset:5px}
.contact-links .contact-email{display:inline;margin:0;font-size:clamp(16px,1.8vw,23px);letter-spacing:-.3px;overflow-wrap:anywhere}
.contact-links .contact-email span{font-size:16px;margin-left:8px}
.contact-footer .footer-meta{display:flex;grid-column:1/-1;margin:0;padding-top:20px;border-top:1px solid var(--line)}

@media(max-width:1100px){
  .site-header nav{gap:17px;font-size:13px}
  .hero{grid-template-columns:1.3fr 1fr;gap:5%}
  .hero-actions{gap:18px}
  .hero-actions .button{padding:14px 18px}
  .hero-intro{font-size:19px}
  .recognition-strip{grid-template-columns:.8fr 1fr 1.25fr;gap:18px}
  .recognition-strip strong{font-size:15px}
  .product-toolbar{font-size:10px}
  .product-grid{gap:5%;grid-template-columns:1.05fr 1fr}
  .project-story h3{font-size:28px}
  .ra-panel{padding:25px;grid-template-columns:1.3fr 1fr}
  .paired-data{font-size:15px;gap:10px}
  .paired-data em{font-size:24px}
  .research-evidence{padding:20px}
  .role-bar>span:last-child{display:none}
}
@media(max-width:760px){
  :root{--body-size:16px;--small-size:13px;--label-size:11px}
  .section{padding-block:44px}
  .section-label{margin-bottom:25px;letter-spacing:.65px}
  .site-header nav{font-size:13px;gap:13px}
  .cv-link{padding:8px 12px}
  .motion-toggle{width:32px;height:32px}
  .hero{grid-template-columns:1fr;gap:28px;padding-block:26px 28px}
  .hero-copy{padding:0}
  .hero-name{font-size:21px}
  .hero .eyebrow{font-size:11px}
  .hero h1.identity-title{font-size:clamp(36px,9.5vw,54px);letter-spacing:-.05em;line-height:1.1;margin-block:22px}
  .hero h1.identity-title>em{white-space:normal;line-height:1.12}
  .hero-intro{font-size:17px;line-height:1.65;max-width:100%}
  .identity-line{font-size:13px;line-height:1.6;margin-top:19px}
  .hero-actions{gap:15px 22px;margin-top:23px}
  .hero-actions .button,.hero-actions .text-link{font-size:14px}
  .hero-actions .button{padding:14px 18px;gap:12px}
  .hero-actions .text-link{gap:10px}
  .hero-composition{margin-top:0;padding-top:0}
  .hero-portrait{width:min(320px,calc(100% - 20px))}
  .portrait-index{font-size:10px;letter-spacing:.5px;top:-9px}
  .hero-portrait figcaption .micro{font-size:11px}
  .hero-portrait figcaption strong{font-size:22px}
  .hero-portrait figcaption>span:last-child{font-size:13px}
  .recognition-strip{grid-template-columns:1fr 1fr;gap:14px 18px}
  .recognition-strip>.micro{font-size:11px}
  .recognition-strip strong{font-size:15px}
  .recognition-strip div>span{font-size:12px}
  .project-heading .eyebrow{font-size:11px}
  .product-grid{grid-template-columns:1fr;gap:30px}
  .product-view{position:static}
  .product-toolbar{font-size:10px;flex-wrap:wrap;gap:5px 12px}
  .screen-tabs button{font-size:14px;padding:11px 4px}
  .product-view>p{font-size:14px}
  .project-story h3{font-size:29px}
  .study-summary h3{font-size:32px}
  .study-summary .study-subtitle{font-size:15px}
  .study-summary .button,.design-contribution .text-link{font-size:14px}
  .project-foot{font-size:12px}
  .role-bar{font-size:13px;padding:15px;line-height:1.6}
  .research-tabs button{font-size:14px;padding:14px 10px}
  .research-tabs button>span{font-size:11px;margin-bottom:6px}
  .ra-panel{grid-template-columns:1fr;padding:24px 20px;gap:25px}
  .ra-panel .micro{font-size:11px;letter-spacing:.7px}
  .ra-panel h3{font-size:28px}
  .ra-panel .connection{font-size:15px}
  .research-evidence p{font-size:14px}
  .paired-data{font-size:16px;gap:24px}
  .paired-data em{font-size:26px}
  .teaching-copy h2{font-size:30px;line-height:1.18}
  .teaching-copy>.teaching-credentials{font-size:13px}
  .teaching-details summary{font-size:14px}
  .teaching-roles h3{font-size:19px}
  .teaching-photo{width:190px}
  .teaching-photo figcaption{font-size:11px}
  .year-nav a{font-size:15px;padding:11px 7px;min-width:78px;flex:1}
  .year-nav a span{font-size:12px;white-space:normal;line-height:1.3}
  .journey-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .journey-aside,.timeline{min-width:0}
  .timeline .micro{font-size:11px}
  .timeline .timeline-lead{font-size:18px}
  .timeline-entry>p:not(.timeline-lead){font-size:16px}
  .degree-lines{font-size:16px}
  .timeline-tags span{font-size:12px}
  .timeline-photo{float:none;width:min(260px,100%);margin:22px 0}
  .timeline-photo img{height:210px}
  .timeline-photo figcaption{font-size:11px}
  .timeline-entry>.text-link{font-size:14px;max-width:none;margin-top:8px}
  .footer-links{font-size:14px;gap:22px}
  .footer-meta{font-size:12px}
  .contact-footer{grid-template-columns:minmax(0,1fr);gap:18px}
  .contact-links{gap:7px 18px;font-size:14px;margin-top:7px}
  .contact-links .contact-email{flex-basis:100%;font-size:15px;letter-spacing:0}
  .contact-links .contact-email span{margin-left:2px}
  .contact-footer .footer-meta{align-items:start;flex-direction:column;gap:10px}
}
@media(max-width:350px){
  .site-header nav{gap:10px}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:18px}
  .research-tabs button{font-size:13px;padding-inline:8px}
  .research-heading h2{font-size:34px}
  .paired-data{gap:16px}
  .timeline-awards li{flex-direction:column;gap:3px}
  .teaching-copy h2{font-size:28px}
}