:root {
  --ink: #14221e;
  --ink-soft: #54615c;
  --paper: #f5f6f1;
  --paper-raised: #ffffff;
  --forest: #10251f;
  --forest-2: #17372e;
  --mint: #9dd9bd;
  --mint-soft: #dff2e7;
  --gold: #d6a94d;
  --line: rgba(20, 34, 30, .15);
  --shadow: 0 24px 70px rgba(16, 37, 31, .12);
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --wrap: min(1260px, calc(100vw - 72px));
}

[data-theme="dark"] {
  --ink: #eef5f1;
  --ink-soft: #abbab3;
  --paper: #0d1714;
  --paper-raised: #14231e;
  --forest: #07110e;
  --forest-2: #0d211b;
  --line: rgba(228, 242, 235, .15);
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.7; transition: color .35s ease, background .35s ease; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
.wrap { width: var(--wrap); margin-inline: auto; }
.section { padding-block: 128px; }
.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: 8px; left: 8px; z-index: 1000; padding: 10px 16px; background: #fff; color: #111; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.scroll-progress { position: fixed; z-index: 200; inset: 0 0 auto; height: 3px; background: transparent; }
.scroll-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--mint), var(--gold)); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: 76px; color: #f4faf6; transition: background .3s ease, box-shadow .3s ease; }
.site-header.scrolled { background: rgba(10, 26, 21, .9); backdrop-filter: blur(18px); box-shadow: 0 1px 0 rgba(255,255,255,.1); }
.nav-shell { width: var(--wrap); height: 100%; margin: auto; display: flex; align-items: center; gap: 24px; }
.wordmark { display: flex; align-items: center; gap: 13px; margin-right: auto; font-weight: 720; letter-spacing: -.02em; }
.wordmark-mark { display: grid; place-items: center; width: 37px; height: 37px; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; font-family: var(--serif); font-size: 14px; }
.wordmark-name { font-size: 17px; }
.nav-links { display: flex; align-items: center; gap: 25px; }
.nav-links a { position: relative; font-size: 13px; font-weight: 650; letter-spacing: .02em; color: rgba(255,255,255,.72); }
.nav-links a::after { content: ""; position: absolute; inset: auto 0 -8px; height: 1px; background: var(--mint); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.theme-toggle, .menu-toggle { border: 0; background: transparent; cursor: pointer; }
.theme-toggle { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.theme-toggle svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.menu-toggle { display: none; width: 38px; padding: 7px; }
.menu-toggle > span:not(.sr-only) { display: block; height: 1px; margin: 5px 0; background: currentColor; transition: transform .25s; }

.hero { position: relative; min-height: 100svh; overflow: hidden; display: flex; align-items: center; color: #f4faf6; background: var(--forest); }
#research-field { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; }
.hero-photo { position: absolute; inset: 0 0 0 41%; background: url("../images/conference-un-1.jpg") center/cover no-repeat; filter: saturate(.72) contrast(1.05); transform: scale(1.02); animation: heroDrift 16s ease-in-out infinite alternate; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,20,16,.99) 0%, rgba(9,24,19,.95) 37%, rgba(9,24,19,.58) 67%, rgba(9,24,19,.38) 100%), linear-gradient(0deg, rgba(6,16,13,.8), transparent 50%); }
.hero-content { position: relative; z-index: 2; padding-top: 88px; }
.eyebrow { margin: 0 0 26px; display: flex; align-items: center; gap: 13px; color: var(--mint); font-size: 12px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 40px; height: 1px; background: currentColor; }
.hero h1 { max-width: 870px; margin: 0; font-family: var(--serif); font-size: clamp(54px, 7.2vw, 116px); font-weight: 400; line-height: .88; letter-spacing: -.055em; }
.hero h1 span { display: block; }
.hero h1 .accent-line { color: var(--mint); font-style: italic; padding-left: clamp(30px, 6vw, 95px); }
.hero-lede { max-width: 620px; margin: 34px 0 0; color: rgba(244,250,246,.74); font-size: clamp(17px, 1.3vw, 21px); line-height: 1.6; }
.hero-actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 51px; padding: 0 21px; border: 1px solid transparent; font-size: 13px; font-weight: 720; transition: transform .25s ease, background .25s ease, color .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: #0c211a; background: var(--mint); }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.04); backdrop-filter: blur(8px); }
.hero-aside { position: absolute; z-index: 2; right: max(36px, calc((100vw - 1260px)/2)); bottom: 74px; width: 280px; padding: 20px 0 0; border-top: 1px solid rgba(255,255,255,.3); font-size: 13px; color: rgba(255,255,255,.72); }
.hero-aside p { margin: 6px 0; }
.hero-location { color: var(--mint); }
.status-dot { color: #fff; font-weight: 700; }
.status-dot span { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 7px rgba(157,217,189,.12); animation: pulse 2.2s infinite; }
.scroll-cue { position: absolute; z-index: 2; bottom: 41px; left: 50%; display: flex; align-items: center; gap: 10px; transform: translateX(-50%) rotate(-90deg); transform-origin: center; font-size: 10px; text-transform: uppercase; letter-spacing: .18em; color: rgba(255,255,255,.55); }
.scroll-cue span { display: block; width: 42px; height: 1px; background: currentColor; }

.profile-section { display: grid; grid-template-columns: 320px 1fr; gap: clamp(70px, 9vw, 140px); align-items: start; }
.profile-card { position: sticky; top: 108px; padding: 18px 18px 22px; background: var(--paper-raised); box-shadow: var(--shadow); }
.portrait-frame { position: relative; overflow: hidden; aspect-ratio: .795; background: #e5ebe7; }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.82); transition: transform .6s ease, filter .6s ease; }
.portrait-frame:hover img { transform: scale(1.035); filter: saturate(1); }
.portrait-grid { position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(rgba(16,37,31,.5) 1px, transparent 1px), linear-gradient(90deg, rgba(16,37,31,.5) 1px, transparent 1px); background-size: 34px 34px; }
.profile-card h2 { margin: 23px 0 2px; font-family: var(--serif); font-size: 27px; font-weight: 500; }
.profile-role { margin: 0; color: #32785f; font-size: 14px; font-weight: 720; }
[data-theme="dark"] .profile-role { color: var(--mint); }
.profile-place { margin: 13px 0 20px; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.profile-links { display: grid; border-top: 1px solid var(--line); }
.profile-links a { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 650; }
.profile-links a:hover span { transform: translate(2px,-2px); }
.profile-links span { transition: transform .2s; }
.section-label { display: flex; gap: 13px; align-items: center; margin-bottom: 38px; color: var(--ink-soft); font-size: 11px; font-weight: 780; letter-spacing: .15em; text-transform: uppercase; }
.section-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.section-label span { color: #398167; }
.section-label.light { color: rgba(255,255,255,.56); }
.section-label.light::after { background: rgba(255,255,255,.16); }
.section-label.light span { color: var(--mint); }
.display-heading { margin: 0; font-family: var(--serif); font-size: clamp(42px, 5vw, 76px); font-weight: 400; line-height: 1.02; letter-spacing: -.045em; }
.display-heading em { color: #398167; font-weight: 400; }
[data-theme="dark"] .display-heading em { color: var(--mint); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; margin-top: 46px; color: var(--ink-soft); font-size: 17px; }
.about-grid p { margin: 0; }
.about-grid p:first-child::first-letter { float: left; margin: 10px 9px 0 0; color: #398167; font-family: var(--serif); font-size: 62px; line-height: .55; }
.metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin-top: 58px; background: var(--line); border-block: 1px solid var(--line); }
.metrics div { padding: 23px 14px 20px 0; background: var(--paper); }
.metrics strong { display: block; font-family: var(--serif); font-size: 35px; line-height: 1; font-weight: 400; }
.metrics span { display: block; max-width: 105px; margin-top: 9px; color: var(--ink-soft); font-size: 10px; line-height: 1.4; text-transform: uppercase; letter-spacing: .08em; }

.research-section { color: #eff8f3; background: var(--forest); overflow: hidden; }
.research-intro { display: grid; grid-template-columns: 1.6fr .8fr; gap: 80px; align-items: end; }
.research-intro p { color: rgba(239,248,243,.6); font-size: 16px; }
.research-grid { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 78px; border: 1px solid rgba(255,255,255,.14); }
.research-card { position: relative; min-height: 440px; padding: 48px 38px 38px; border-right: 1px solid rgba(255,255,255,.14); overflow: hidden; transition: background .35s ease, transform .35s ease; }
.research-card:last-child { border-right: 0; }
.research-card::before { content: attr(data-index); position: absolute; right: 25px; top: 20px; color: rgba(255,255,255,.25); font-family: var(--serif); }
.research-card::after { content: ""; position: absolute; width: 220px; height: 220px; right: -90px; bottom: -100px; border: 1px solid rgba(157,217,189,.25); border-radius: 50%; transform: scale(.4); opacity: 0; transition: all .5s ease; }
.research-card:hover { background: var(--forest-2); transform: translateY(-8px); }
.research-card:hover::after { transform: scale(1); opacity: 1; }
.research-icon { width: 67px; height: 67px; display: grid; place-items: center; margin-bottom: 78px; border: 1px solid rgba(157,217,189,.4); border-radius: 50%; }
.research-icon svg { width: 34px; fill: none; stroke: var(--mint); stroke-width: 1.45; }
.research-card h3 { margin: 0; font-family: var(--serif); font-size: 28px; font-weight: 400; }
.research-card p { color: rgba(239,248,243,.62); font-size: 14px; }
.research-card ul { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 25px 0 0; list-style: none; }
.research-card li { padding: 5px 9px; border: 1px solid rgba(255,255,255,.14); border-radius: 99px; color: rgba(255,255,255,.62); font-size: 10px; }

.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 25px; }
.publication-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.publication-filters button { padding: 7px 12px; border: 1px solid var(--line); border-radius: 99px; background: transparent; color: var(--ink-soft); font-size: 11px; cursor: pointer; }
.publication-filters button.active, .publication-filters button:hover { color: var(--paper-raised); background: var(--ink); }
.featured-paper { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 440px; margin-top: 64px; background: var(--paper-raised); box-shadow: var(--shadow); }
.paper-visual { position: relative; min-height: 390px; display: grid; place-items: center; margin: 0; overflow: hidden; background: #f6f2e9; }
.paper-visual > img { width: 100%; height: 100%; display: block; object-fit: contain; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.featured-paper:hover .paper-visual > img { transform: scale(1.025); }
.paper-visual > figcaption { position: absolute; top: 22px; left: 22px; z-index: 2; padding: 7px 10px; color: #ecf8f2; background: rgba(16,49,39,.9); font-size: 9px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.paper-stat { position: absolute; left: 22px; bottom: 22px; z-index: 3; display: flex; align-items: baseline; gap: 9px; padding: 9px 12px; color: white; background: rgba(16,49,39,.92); }
.paper-stat strong { font-family: var(--serif); font-size: 34px; font-weight: 400; }
.paper-stat span { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.paper-copy { padding: 48px 52px; }
.paper-meta { display: flex; justify-content: space-between; color: #3b856b; font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.paper-copy h3 { margin: 30px 0 19px; font-family: var(--serif); font-size: clamp(30px, 3vw, 44px); line-height: 1.08; font-weight: 400; letter-spacing: -.025em; }
.paper-copy p { color: var(--ink-soft); font-size: 14px; }
.paper-copy .authors { margin: 0; color: var(--ink); }
.paper-copy .journal { margin: 3px 0 22px; font-size: 12px; }
.paper-links { display: flex; gap: 20px; margin-top: 28px; }
.paper-links a { padding-bottom: 3px; border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 720; }
.publication-list { margin-top: 58px; border-top: 1px solid var(--line); }
.publication-item { display: grid; grid-template-columns: 70px minmax(220px,.72fr) minmax(0,1.45fr) 48px; gap: 24px; align-items: center; padding: 34px 0; border-bottom: 1px solid var(--line); transition: opacity .3s, transform .3s; }
.publication-item[hidden], .featured-paper[hidden] { display: none; }
.publication-item > time { align-self: start; padding-top: 20px; color: #3c8069; font-family: var(--serif); font-size: 20px; }
.publication-figure { position: relative; aspect-ratio: 16 / 10; margin: 0; overflow: hidden; border: 1px solid var(--line); background: #f6f2e9; }
.publication-figure img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .55s cubic-bezier(.2,.7,.2,1); }
.publication-figure figcaption { position: absolute; left: 10px; bottom: 10px; padding: 5px 7px; color: #eef7f2; background: rgba(16,49,39,.9); font-size: 8px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.publication-item:hover .publication-figure img { transform: scale(1.035); }
.publication-copy { min-width: 0; }
.publication-type { color: var(--ink-soft); font-size: 9px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.publication-item h3 { margin: 6px 0 7px; font-family: var(--serif); font-size: 23px; font-weight: 400; line-height: 1.25; }
.publication-item p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.circle-link { display: grid; place-items: center; width: 45px; height: 45px; border: 1px solid var(--line); border-radius: 50%; transition: background .25s, color .25s, transform .25s; }
.circle-link:hover { color: #fff; background: #347a62; transform: rotate(45deg); }
.author-note { margin-top: 22px; color: var(--ink-soft); font-size: 11px; }
.author-note a { color: #347a62; border-bottom: 1px solid currentColor; }

.experience-section { color: #edf5f0; background: #183129; }
.experience-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.experience-heading { position: sticky; top: 110px; align-self: start; }
.experience-heading > p { max-width: 410px; color: rgba(237,245,240,.56); }
.timeline { border-top: 1px solid rgba(255,255,255,.15); }
.timeline-item { display: grid; grid-template-columns: 130px 1fr; gap: 28px; padding: 42px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.timeline-item time { color: var(--mint); font-family: var(--serif); font-size: 15px; }
.timeline-item h3 { margin: 0 0 5px; font-family: var(--serif); font-size: 27px; font-weight: 400; }
.timeline-item p { margin: 0; color: rgba(237,245,240,.56); font-size: 13px; }
.timeline-status { display: inline-block; margin-bottom: 10px; padding: 3px 8px; border-radius: 99px; color: #10251f; background: var(--mint); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }

.project-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.project-card { position: relative; min-height: 330px; display: flex; flex-direction: column; padding: 42px; background: var(--paper-raised); border: 1px solid var(--line); overflow: hidden; transition: transform .35s, box-shadow .35s; }
.project-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.project-card::after { content: ""; position: absolute; width: 180px; height: 180px; right: -100px; bottom: -100px; border: 1px solid var(--line); border-radius: 50%; transition: transform .5s; }
.project-card:hover::after { transform: scale(1.6); }
.project-card-lead { color: #ecf8f2; background: #1c4538; }
.project-kicker { color: #3c8069; font-size: 9px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.project-card-lead .project-kicker { color: var(--mint); }
.project-card h2 { max-width: 550px; margin: 42px 0 14px; font-family: var(--serif); font-size: clamp(28px,3vw,40px); font-weight: 400; line-height: 1.1; }
.project-card p { max-width: 560px; margin: 0; color: var(--ink-soft); font-size: 14px; }
.project-card-lead p { color: rgba(236,248,242,.68); }
.project-source { margin-top: auto; padding-top: 28px; font-size: 10px; color: var(--ink-soft); }
.project-card-lead .project-source { color: rgba(236,248,242,.55); }
.chinese-output { font-family: "Noto Sans CJK SC", "Microsoft YaHei", var(--sans); }
.chinese-output h2 { font-family: "Noto Serif CJK SC", "Songti SC", SimSun, var(--serif); }

.news-section { color: #eef7f2; background: var(--forest); }
.news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 65px; }
.news-feature { position: relative; min-height: 620px; overflow: hidden; touch-action: pan-y; }
.news-slides { position: absolute; inset: 0; }
.news-slide { position: absolute; inset: 0; margin: 0; opacity: 0; pointer-events: none; transform: translateX(4%) scale(1.012); transition: opacity .6s ease, transform .8s cubic-bezier(.2,.72,.2,1); }
.news-feature[data-direction="prev"] .news-slide:not(.is-active) { transform: translateX(-4%) scale(1.012); }
.news-slide.is-active { opacity: 1; pointer-events: auto; transform: translateX(0) scale(1); }
.news-slide img { width: 100%; height: 100%; display: block; object-fit: cover; filter: saturate(.72); transition: transform 1s ease, filter .6s ease; }
.news-feature:hover .news-slide.is-active img { transform: scale(1.035); filter: saturate(.82); }
.news-feature::after { content: ""; position: absolute; z-index: 1; inset: 0; pointer-events: none; background: linear-gradient(0deg, rgba(7,18,14,.96), transparent 72%); }
.news-carousel-controls { position: absolute; z-index: 3; top: 22px; right: 22px; display: flex; align-items: center; color: #eef7f2; background: rgba(7,24,18,.78); border: 1px solid rgba(255,255,255,.2); backdrop-filter: blur(9px); }
.news-carousel-controls button { width: 42px; height: 42px; display: grid; place-items: center; padding: 0; color: inherit; background: transparent; border: 0; cursor: pointer; font-size: 17px; transition: color .25s, background .25s; }
.news-carousel-controls button:hover { color: #10251f; background: var(--mint); }
.news-carousel-controls button:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.news-carousel-count { min-width: 63px; display: flex; align-items: center; justify-content: center; gap: 7px; font-size: 9px; letter-spacing: .08em; }
.news-carousel-count strong { color: var(--mint); font-size: 11px; }
.news-carousel-count i { width: 12px; height: 1px; background: rgba(255,255,255,.35); }
.news-feature-copy { position: absolute; z-index: 2; inset: auto 38px 36px; }
.news-feature-copy span { color: var(--mint); font-size: 9px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.news-feature-copy h2 { max-width: 600px; margin: 12px 0; font-family: var(--serif); font-size: clamp(34px, 4vw, 56px); line-height: 1.05; font-weight: 400; }
.news-feature-copy p { max-width: 660px; margin: 0; color: rgba(238,247,242,.68); font-size: 13px; }
.news-feature-copy p a, .news-list p a { color: #eef7f2; text-decoration: underline; text-decoration-color: rgba(157,217,189,.55); text-underline-offset: 3px; }
.news-list { border-top: 1px solid rgba(255,255,255,.17); }
.news-list article { display: grid; grid-template-columns: 90px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,.17); }
.news-list time { color: var(--mint); font-family: var(--serif); font-size: 14px; }
.news-list p { margin: 0; color: rgba(238,247,242,.7); font-size: 13px; }
.activity-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 78px; padding-top: 46px; border-top: 1px solid rgba(255,255,255,.17); }
.activity-photo { min-width: 0; margin: 0; }
.activity-photo > div { aspect-ratio: 3 / 2; overflow: hidden; background: #17372e; }
.activity-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.78) contrast(1.03); transition: transform .8s cubic-bezier(.2,.75,.2,1), filter .5s ease; }
.activity-photo:hover img { transform: scale(1.04); filter: saturate(1) contrast(1); }
.activity-photo figcaption { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding-top: 15px; color: rgba(238,247,242,.55); font-size: 10px; line-height: 1.5; }
.activity-photo figcaption span { color: var(--mint); font-family: var(--serif); }
.activity-photo figcaption p { margin: 0; }
.activity-photo figcaption strong { display: block; color: #eef7f2; font-size: 11px; font-weight: 650; }

.contact-section { position: relative; overflow: hidden; color: var(--ink); background: var(--mint); }
.contact-inner { position: relative; z-index: 2; text-align: center; }
.contact-section .eyebrow { justify-content: center; color: #1d604b; }
.contact-section h2 { max-width: 950px; margin: 0 auto; font-family: var(--serif); font-size: clamp(48px, 7vw, 96px); font-weight: 400; letter-spacing: -.05em; line-height: .95; }
.contact-section h2 em { font-weight: 400; color: #fff; }
.contact-section p:not(.eyebrow) { max-width: 650px; margin: 30px auto; color: rgba(16,37,31,.7); }
.contact-email { display: inline-flex; gap: 14px; align-items: center; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-family: var(--serif); font-size: clamp(20px, 3vw, 34px); }
.contact-email:hover span { transform: translate(4px,-4px); }
.contact-email span { transition: transform .25s; }
.contact-links { display: flex; justify-content: center; gap: 30px; margin-top: 44px; font-size: 11px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.contact-orbit span { position: absolute; border: 1px solid rgba(16,37,31,.16); border-radius: 50%; }
.contact-orbit span:nth-child(1){width:520px;height:520px;left:-220px;top:-190px;animation:orbit 14s linear infinite}.contact-orbit span:nth-child(2){width:360px;height:360px;right:-120px;bottom:-160px;animation:orbit 10s linear infinite reverse}.contact-orbit span:nth-child(3){width:130px;height:130px;left:12%;bottom:7%;border-color:rgba(255,255,255,.45)}
.site-footer { color: rgba(255,255,255,.55); background: #07120f; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.site-footer .wrap { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.75,.2,1), transform .7s cubic-bezier(.2,.75,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@keyframes heroDrift { to { transform: scale(1.075) translate3d(-1%,1%,0); } }
@keyframes pulse { 50% { box-shadow: 0 0 0 12px rgba(157,217,189,0); } }
@keyframes orbit { to { transform: rotate(360deg); } }

@media (max-width: 1050px) {
  :root { --wrap: min(100% - 44px, 900px); }
  .hero-photo { left: 28%; }
  .profile-section { grid-template-columns: 260px 1fr; gap: 55px; }
  .metrics { grid-template-columns: repeat(2,1fr); }
  .research-grid { grid-template-columns: 1fr; }
  .research-card { min-height: 300px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .research-card:last-child { border-bottom: 0; }
  .research-icon { margin-bottom: 35px; }
  .experience-layout { gap: 55px; }
  .news-layout { grid-template-columns: 1fr; }
  .activity-gallery { grid-template-columns: 1fr 1fr; }
  .activity-photo:first-child { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
  :root { --wrap: calc(100% - 36px); }
  .section { padding-block: 84px; }
  .site-header { height: 66px; }
  .menu-toggle { display: block; order: 2; }
  .theme-toggle { order: 1; margin-left: auto; }
  html { scroll-padding-top: 66px; }
  .nav-links { position: fixed; z-index: -1; inset: 0 0 auto; width: 100%; height: 100dvh; min-height: 100vh; padding: 120px 28px 50px; display: flex; flex-direction: column; align-items: flex-start; gap: 21px; background: rgba(7,18,15,.98); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-105%); transition: transform .45s cubic-bezier(.2,.75,.2,1), opacity .25s ease, visibility .45s; }
  .nav-links a { font-family: var(--serif); font-size: 34px; font-weight: 400; }
  .menu-open .nav-links { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .menu-open .menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  .menu-open .menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { min-height: 920px; }
  .hero-photo { left: 0; opacity: .6; }
  .hero-shade { background: linear-gradient(0deg, rgba(7,20,16,.99) 9%, rgba(9,24,19,.72) 70%, rgba(9,24,19,.58)); }
  .hero-content { padding-top: 10px; }
  .hero h1 { font-size: clamp(49px, 14vw, 76px); }
  .hero h1 .accent-line { padding-left: 0; }
  .hero-lede { font-size: 16px; }
  .hero-aside { left: 18px; right: auto; bottom: 55px; width: calc(100% - 36px); }
  .scroll-cue { display: none; }
  .profile-section { display: block; }
  .profile-card { position: relative; top: auto; max-width: 340px; margin: 0 auto 75px; }
  .about-grid, .research-intro, .experience-layout, .featured-paper, .project-grid { grid-template-columns: 1fr; }
  .about-grid, .research-intro { gap: 20px; }
  .experience-heading { position: static; }
  .section-heading-row { display: block; }
  .publication-filters { margin-top: 26px; }
  .paper-copy { padding: 34px 26px; }
  .publication-item { grid-template-columns: 52px minmax(0,1fr) 40px; gap: 14px; }
  .publication-item > time { grid-column: 1; grid-row: 1 / 3; }
  .publication-figure { grid-column: 2 / 4; grid-row: 1; }
  .publication-copy { grid-column: 2 / 4; grid-row: 2; }
  .publication-item .circle-link { grid-column: 2; grid-row: 3; }
  .publication-item h3 { font-size: 19px; }
  .experience-layout { gap: 55px; }
  .project-card { min-height: 300px; padding: 32px 25px; }
  .news-feature { min-height: 520px; }
  .news-feature-copy { inset: auto 24px 24px; }
  .news-carousel-controls { top: 18px; right: 18px; }
  .activity-gallery { grid-template-columns: 1fr; }
  .activity-photo:first-child { grid-column: auto; }
  .contact-links { flex-wrap: wrap; }
  .site-footer .wrap { padding-block: 24px; flex-direction: column; justify-content: center; gap: 6px; text-align: center; }
  .site-footer p { margin: 0; }
}

@media (max-width: 480px) {
  .wordmark-name { display: none; }
  .hero h1 { font-size: 40px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .paper-visual { min-height: 300px; }
  .publication-item { grid-template-columns: 45px 1fr; }
  .publication-figure, .publication-copy { grid-column: 2; }
  .publication-figure figcaption { left: 8px; bottom: 8px; font-size: 7px; }
  .timeline-item { grid-template-columns: 1fr; gap: 10px; }
  .news-list article { grid-template-columns: 74px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  #research-field { display: none; }
}

@media print {
  .site-header, .scroll-progress, .scroll-cue, #research-field, .theme-toggle, .menu-toggle, .publication-filters, .news-carousel-controls { display: none !important; }
  body, .research-section, .experience-section, .news-section, .contact-section { color: #111; background: #fff; }
  .hero { min-height: auto; padding: 60px 0; color: #111; background: #fff; }
  .hero-photo, .hero-shade, .hero-aside { display: none; }
  .section { padding-block: 40px; }
  .reveal { opacity: 1; transform: none; }
}