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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{.site-header,.menu-panel,.section-strip,.site-footer,.hero-bottom,.button,.page-index{display:none!important}body{background:#fff;color:#000;font:11pt Georgia,serif}.wrap{width:100%;max-width:none}.section{padding:22px 0}.subhero{background:#fff;padding:0 0 20px}.subhero h1,.subhero p{color:#000}.hero{height:auto;min-height:0;max-height:none;padding:0 0 25px;background:#fff}.hero h1,.hero p{color:#000}.hero-name{border-color:#888}.hero::before,.hero::after,.hero-lines{display:none}.hero-kicker{margin-bottom:10px}.hero h1{font-size:30px}.hero-statement{font-size:18px}.research-layout{display:block;padding:0}.paper{break-inside:avoid}.research-section{margin-top:20px!important}details:not([open])>.details-content{display:block}.paper summary{display:none}.about-grid,.feature-grid,.cv-layout{gap:30px}.home-contact{padding:20px 0}.portrait{max-height:230px}.inline-actions{margin-top:10px}a{color:inherit}}

/* Documented research contribution; same design system as the original draft. */
.contribution-note{border-left:2px solid var(--teal);padding:9px 0 9px 18px;margin:22px 0 0!important;font-size:14px!important;color:var(--ink);line-height:1.7}
.contribution-note strong{display:block;font-family:var(--sans);font-size:9px;font-weight:650;letter-spacing:.16em;line-height:1.8;text-transform:uppercase;color:var(--teal);margin-bottom:4px}
.publication-links{column-gap:22px;row-gap:13px}.version-note{margin-top:22px!important}.details-content .text-link{margin-top:10px}
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.preview-page[hidden]{display:none!important;}
/* v5: restrained, font-independent line icons and rebalanced controls.
   Original content, photography, typography and color palette retained. */
.ui-icon{width:16px;height:16px;display:block;flex:0 0 auto;overflow:visible;color:inherit;pointer-events:none;transition:transform .18s ease,opacity .18s ease}
.text-link.icon-link{justify-content:flex-start;gap:10px;min-height:36px;max-width:100%;transition:color .18s ease,border-color .18s ease}
.text-link .ui-icon{opacity:.78}
.text-link:hover .ui-icon{opacity:1}
.icon-link:hover>.icon-chevron-right,.drawer-nav a:hover>.icon-chevron-right{transform:translateX(3px)}
.button.icon-link{gap:23px;padding:13px 20px}
.button .ui-icon{width:17px;height:17px}
.hero .button{min-width:238px}
/* Restore a real last column in the drawer rather than orphaned text. */
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.drawer-nav a>.ui-icon{justify-self:end;width:15px;height:15px;opacity:.65}
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.menu-close{display:grid;place-items:center}
.menu-close .ui-icon{width:18px;height:18px}
/* Balanced three-part resource navigation. */
.section-strip{display:grid;grid-template-columns:repeat(3,minmax(0,260px));justify-content:center}
.section-strip a{padding:20px 30px;gap:13px;justify-content:center;font-size:10px;letter-spacing:.13em}
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.section-strip .ui-icon{width:18px;height:18px;opacity:.9}
.hero-bottom a.scroll-cue{display:flex;flex-direction:column;gap:9px}
.hero-bottom .scroll-circle{width:26px;height:26px;border:1px solid #dce6d94d;border-radius:50%;display:grid;place-items:center;transition:border-color .18s ease,background .18s ease}
.scroll-circle .ui-icon{width:12px;height:12px}
.scroll-cue:hover .scroll-circle{border-color:currentColor;background:#ffffff0b}
/* Article, data and code controls form a deliberate resource group. */
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.icon-email{align-items:center;gap:16px;max-width:100%}
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.footer-links .ui-icon{width:14px;height:14px}
.back-top{display:inline-flex;align-items:center;gap:8px;min-height:26px}
.back-top>.ui-icon{width:12px;height:12px}
summary .ui-icon{width:16px;height:16px;margin-left:18px}
details[open]>summary .icon-plus{transform:rotate(45deg)}
/* Programmatic page focus should not draw a rectangle around the whole page. */
main[tabindex="-1"]:focus,h1[tabindex="-1"]:focus{outline:none}
@media(max-width:1100px){.section-strip a{padding:20px 25px;gap:12px}}
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@media(max-width:600px){
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@media print{.ui-icon,.scroll-circle{display:none!important}.publication-links .text-link{border:0;padding:0}}

/* The CV download is intentionally inactive until a PDF is supplied. */
.button:disabled,.button:disabled:hover{opacity:.55;cursor:not-allowed;background:var(--dark);color:var(--paper);border-color:var(--dark)}

/* Emphasize the field and UCLA affiliation in the homepage introduction. */
.hero .hero-kicker{font-size:13px;font-weight:600;color:#f8f7f2;text-shadow:0 1px 14px rgba(9,20,20,.5)}
.hero .hero-role{font-size:15px;font-weight:600;letter-spacing:.16em;color:#f8f7f2;text-shadow:0 1px 14px rgba(9,20,20,.5)}
@media(max-width:600px){
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}

/* Approved research and teaching refinements, October 2026. */
@media screen {
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 .hero-content{padding-bottom:0}
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 .about-compact{padding:54px 0}
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 .about-compact .about-copy h2{font-size:35px;line-height:1.25;margin-bottom:17px}
 .about-compact .about-copy .eyebrow{margin-bottom:13px}
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 .about-compact .portrait-caption{font-size:9px;line-height:1.65}
}
.durability-figure{margin:31px 0 0;padding:25px 0 0;border-top:1px solid #b9c9be}
.durability-figure figcaption{font-family:var(--serif);font-size:22px;line-height:1.3;color:var(--ink)}
.durability-figure .chart-context{font-size:10px;line-height:1.6;color:var(--muted);margin:8px 0 20px}
.durability-row+.durability-row{margin-top:16px}
.durability-label{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:11px;color:var(--ink)}
.durability-label strong{font-size:21px;font-family:var(--serif);font-weight:400;line-height:1.4}
.durability-track{height:8px;margin-top:7px;background:#c6d4c8;border-radius:2px;overflow:hidden}
.durability-track>span{display:block;height:100%;background:var(--teal)}
.durability-figure .chart-source{font-size:9px;color:var(--muted);line-height:1.6;margin-top:18px}
.feature-copy .feature-takeaway{font-family:var(--serif);font-size:23px!important;color:var(--teal);margin:20px 0 10px;line-height:1.4}
.agenda-item .project-stage{font-size:10px!important;font-weight:600;color:var(--teal);letter-spacing:.04em;margin:14px 0 12px}
.project-facts{margin:26px 0 0;border-top:1px solid var(--line)}
.project-facts>div{display:grid;grid-template-columns:103px minmax(0,1fr);gap:20px;padding:17px 0;border-bottom:1px solid var(--line)}
.project-facts dt{font-size:10px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);padding-top:4px}
.project-facts dd{margin:0;font-size:14px;line-height:1.8}
.teaching-experience{padding-top:5px}
.teaching-role-group{display:grid;grid-template-columns:210px minmax(0,1fr);gap:45px;margin-top:38px}
.teaching-role-group>h3{font-size:26px;line-height:1.3;padding-top:22px}
.course-row{display:flex;align-items:baseline;justify-content:space-between;gap:30px;padding:23px 0;border-top:1px solid var(--line)}
.course-code{font-size:10px;color:var(--teal);font-weight:600;letter-spacing:.08em;margin-bottom:8px}
.course-row h4{font-family:var(--serif);font-size:23px;font-weight:400;line-height:1.35;color:var(--ink)}
.course-term{font-size:12px;color:var(--muted);white-space:nowrap}
@media screen and (max-width:800px){
 .hero{height:72svh;min-height:570px;max-height:690px;padding:105px 26px 68px}
 .about-compact .about-grid{grid-template-columns:145px minmax(0,1fr);gap:33px}
 .about-compact .about-visual{max-width:145px}
 .about-compact .about-copy h2{font-size:30px}
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 .teaching-role-group{grid-template-columns:165px minmax(0,1fr);gap:25px}
 .course-row{gap:20px}
 .course-row h4{font-size:21px}
}
@media screen and (max-width:600px){
 .hero{height:auto;min-height:0;max-height:none;padding:101px 22px 42px}
 .hero .hero-kicker{margin-bottom:21px}
 .hero-name{padding:12px 0 14px 5px}
 .hero .hero-role{margin-top:20px}
 .hero-statement{font-size:22px;margin-top:22px;line-height:1.45}
 .hero .button{margin-top:24px}
 .hero-bottom{display:none}
 .about-compact{padding:39px 0 43px}
 .about-compact .about-grid{gap:24px}
 .about-compact .about-visual{max-width:none}
 .about-compact .about-copy h2{font-size:31px}
 .about-compact .portrait-caption{font-size:10px}
 .durability-figure{grid-column:1/-1;margin-top:24px;padding-top:22px}
 .durability-label{font-size:12px}
 .durability-figure .chart-context{font-size:11px}
 .durability-figure .chart-source{font-size:10px}
 .feature-copy .feature-takeaway{font-size:23px!important}
 .project-facts>div{grid-template-columns:1fr;gap:5px;padding:15px 0}
 .project-facts dt{padding:0}
 .project-facts dd{font-size:14px}
 .teaching-role-group{grid-template-columns:1fr;gap:16px;margin-top:30px}
 .teaching-role-group>h3{font-size:25px;padding-top:0}
 .course-row{display:block;padding:19px 0}
 .course-row h4{font-size:23px}
 .course-term{margin-top:9px;font-size:12px}
}

/* Continuous landing page: full sections, with in-page navigation. */
.single-page-main .landing-nav{position:sticky;top:0;z-index:25;grid-template-columns:repeat(5,minmax(0,220px));box-shadow:0 2px 12px #183a3612}
.landing-nav a{min-width:0;white-space:nowrap}
.landing-nav a:focus-visible{outline:2px solid var(--paper);outline-offset:-5px}
.landing-section{scroll-margin-top:67px}
.landing-heading{padding:40px 0;background:var(--dark);color:var(--paper)}
.landing-heading .eyebrow{color:var(--mint);margin-bottom:12px}
.landing-heading h2{font-family:var(--serif);font-size:42px;font-weight:400;line-height:1.15;color:var(--paper);margin:0}
.landing-description{max-width:780px;font-size:14px;line-height:1.8;color:#d5e2d8;margin-top:15px}
.single-page-main .featured{padding:68px 0}
.single-page-main .feature-copy h3{font-family:var(--serif);font-size:35px;line-height:1.27;letter-spacing:-.02em}
.single-page-main .feature-copy .venue{font-size:12px!important;color:var(--muted);margin-top:18px}
.feature-copy details{margin-top:22px;border-top:1px solid #b9c9be;border-bottom:1px solid #b9c9be}
.landing-research-content{max-width:970px;padding-top:12px;padding-bottom:70px}
.landing-research-content>.paper{margin-bottom:46px}
.landing-research-content .research-section>h3{font-size:38px;margin-bottom:12px}
.landing-research-content .paper h4{font-family:var(--serif);font-size:29px;font-weight:400;line-height:1.35;color:var(--ink);max-width:740px;margin-bottom:17px}
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.single-page-main #data .resources-intro h3{font-size:42px;margin-bottom:30px}
.single-page-main #teaching .teaching-grid h3{font-size:42px}
.single-page-main .section-heading h3{font-size:42px}
@media(min-width:801px) and (max-width:1100px){.desktop-nav{gap:20px}.desktop-nav a{font-size:9px}.site-header{padding-right:27px;padding-left:27px}}
@media(max-width:800px){
 .landing-heading{padding:33px 0}
 .landing-heading h2{font-size:37px}
 .landing-description{font-size:13px}
 .single-page-main .feature-copy h3{font-size:29px}
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 .landing-nav a{padding:17px 12px;gap:10px;font-size:8px}
}
@media(max-width:600px){
 .landing-nav a{flex-direction:column;gap:7px;padding:12px 3px;font-size:7px;letter-spacing:.045em;white-space:normal;text-align:center}
 .landing-nav .ui-icon{width:16px;height:16px}
 .single-page-main .landing-nav{min-height:70px}
 .landing-section{scroll-margin-top:70px}
 .landing-heading{padding:29px 0 31px}
 .landing-heading h2{font-size:34px}
 .landing-description{font-size:12px;margin-top:12px}
 .single-page-main .featured{padding:43px 0}
 .single-page-main .feature-copy h3{font-size:31px}
 .landing-research-content{padding-top:7px;padding-bottom:49px}
 .landing-research-content .research-section>h3{font-size:31px}
 .landing-research-content .paper h4{font-size:27px}
 .single-page-main #cv .cv-layout h3,.single-page-main #data .resources-intro h3,.single-page-main #teaching .teaching-grid h3,.single-page-main .section-heading h3{font-size:34px}
 .single-page-main .research-section,.single-page-main .paper,.single-page-main #fuel-reform,.single-page-main #publications,.single-page-main #about{scroll-margin-top:91px}
}
@media print{.landing-heading{background:#fff;color:#000;padding:20px 0}.landing-heading h2,.landing-heading p{color:#000}.landing-section{break-before:page}.landing-nav{display:none!important}}

.course-row .course-instructor{font-size:12px;color:var(--muted);margin-top:7px;line-height:1.6}