:root {
  --ink: #0a1024;
  --navy: #071223;
  --navy-2: #0b1c33;
  --paper: #f4f2ed;
  --white: #fff;
  --muted: #667085;
  --purple: #6f3ce5;
  --violet: #9d68ff;
  --gold: #f2b63d;
  --line: rgba(10, 16, 36, .13);
  --shell: 1180px;
  --shadow: 0 26px 60px rgba(8, 15, 36, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id], footer[id] { scroll-margin-top: 84px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { color: #07101f; background: rgba(242,182,61,.82); }
:focus-visible { outline: 3px solid rgba(242,182,61,.92); outline-offset: 4px; }
.shell { width: min(calc(100% - 44px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; transform: translateY(-160%); background: var(--white); color: var(--ink); border-radius: 4px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; color: var(--white); transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s ease; }
.site-header.scrolled { background: rgba(5, 13, 27, .9); box-shadow: 0 10px 35px rgba(0,0,0,.2); backdrop-filter: blur(18px); }
.header-inner { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 190px; }
.brand-logo { width: 116px; height: auto; flex: 0 0 auto; object-fit: contain; opacity: .94; mix-blend-mode: screen; filter: saturate(.98) drop-shadow(0 7px 18px rgba(0,0,0,.14)); transition: transform .35s ease, filter .35s ease, opacity .35s ease; }
.brand:hover .brand-logo { opacity: 1; transform: translateY(-1px); filter: saturate(1.04) drop-shadow(0 9px 22px rgba(111,60,229,.16)); }
.footer-brand .brand-logo { width: 148px; }
.brand-mark { position: relative; width: 42px; height: 42px; flex: 0 0 auto; background: linear-gradient(135deg, rgba(157,104,255,.28), rgba(242,182,61,.1)); border: 1px solid rgba(255,255,255,.16); transform: rotate(45deg); transition: border-color .3s ease, background .3s ease, box-shadow .3s ease; }
.brand:hover .brand-mark { border-color: rgba(242,182,61,.48); background: linear-gradient(135deg, rgba(157,104,255,.38), rgba(242,182,61,.16)); box-shadow: 0 0 28px rgba(111,60,229,.18); }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; background: rgba(255,255,255,.4); }
.brand-mark::before { width: 1px; height: 120%; left: 50%; top: -10%; }
.brand-mark::after { height: 1px; width: 120%; top: 50%; left: -10%; }
.brand-mark span { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 14px rgba(157,104,255,.8); }
.brand-mark span:nth-child(1) { top: -3px; left: -3px; }.brand-mark span:nth-child(2) { top: -3px; right: -3px; }.brand-mark span:nth-child(3) { bottom: -3px; left: -3px; }.brand-mark span:nth-child(4) { right: -3px; bottom: -3px; }.brand-mark span:nth-child(5) { inset: calc(50% - 3px); background: var(--gold); }.brand-mark span:nth-child(6) { top: 5px; left: 18px; }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 18px; letter-spacing: .04em; }
.brand-copy small { margin-top: 5px; color: rgba(255,255,255,.6); font-size: 10px; letter-spacing: .13em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.primary-nav a { position: relative; padding: 30px 0 27px; color: rgba(255,255,255,.72); transition: color .2s; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 21px; height: 2px; background: linear-gradient(90deg, var(--gold), var(--violet)); transition: right .25s ease; }
.primary-nav a:hover, .primary-nav a:focus-visible, .primary-nav a.active { color: var(--white); }
.primary-nav a:hover::after, .primary-nav a.active::after { right: 0; }
.menu-button { display: none; width: 44px; height: 42px; padding: 10px; border: 0; background: transparent; color: white; }
.menu-button span { display: block; height: 2px; margin: 5px 0; background: currentColor; transition: transform .2s, opacity .2s; }

.hero { position: relative; min-height: max(720px, 100svh); overflow: hidden; color: var(--white); background-color: #030814; background-image: url("assets/background.png"); background-repeat: no-repeat; background-position: center center; background-size: cover; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, rgba(2,7,17,.99) 0%, rgba(2,7,17,.97) 19%, rgba(2,7,17,.87) 34%, rgba(2,7,17,.5) 52%, rgba(2,7,17,.08) 74%), linear-gradient(180deg, rgba(2,7,17,.5) 0%, rgba(2,7,17,.04) 26%, rgba(2,7,17,.1) 68%, rgba(2,7,17,.68) 100%); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; box-shadow: inset 0 -80px 90px rgba(2,7,17,.5); }
.footer-grid { position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(132,155,190,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(132,155,190,.07) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(90deg, #000, transparent 58%); }
.hero-layout { position: relative; z-index: 2; min-height: max(720px, 100svh); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding-top: 105px; padding-bottom: 30px; }
.hero-copy { width: min(100%, 470px); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: currentColor; }
.eyebrow.dark { color: var(--purple); }
.hero h1 { margin: 0; font-size: clamp(4rem, 5.2vw, 5.25rem); font-weight: 600; line-height: 1.02; letter-spacing: -.035em; }
.hero h1 span { display: block; animation: hero-word-in .96s cubic-bezier(.16,.78,.28,1) both; }
.hero h1 span:nth-child(1) { animation-delay: .24s; }
.hero h1 span:nth-child(2) { animation-delay: .62s; }
.hero h1 span:nth-child(3) { animation-delay: 1s; }
.hero h1 .hero-accent { color: var(--gold); animation-name: hero-accent-in; animation-duration: 1.08s; }
@keyframes hero-word-in {
  from { opacity: 0; transform: translateY(30px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes hero-accent-in {
  0% { opacity: 0; color: #ffe09a; text-shadow: 0 0 0 rgba(242,182,61,0); transform: translateY(30px) scale(.985); }
  72% { opacity: 1; color: #ffc84e; text-shadow: 0 0 24px rgba(242,182,61,.26); transform: translateY(-1px) scale(1.012); }
  100% { opacity: 1; color: var(--gold); text-shadow: 0 0 0 rgba(242,182,61,0); transform: translateY(0) scale(1); }
}
.hero-lede { max-width: 470px; margin: 30px 0 0; color: rgba(255,255,255,.9); font-size: 20px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 31px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-width: 178px; min-height: 52px; padding: 0 25px; border: 1px solid transparent; font-size: 13px; font-weight: 800; letter-spacing: .025em; text-transform: uppercase; transition: transform .24s ease, background .24s ease, border-color .24s ease, color .24s ease, box-shadow .24s ease; }
.button span { display: inline-block; transition: transform .24s ease; }
.button:hover { transform: translateY(-2px); }
.button:hover span { transform: translateX(4px); }
.button-primary { color: #07101f; background: var(--gold); box-shadow: 0 10px 28px rgba(242,182,61,.13); }
.button-primary:hover { background: #ffca50; box-shadow: 0 14px 34px rgba(242,182,61,.2); }
.button-secondary { color: var(--gold); border-color: rgba(242,182,61,.86); background: rgba(3,8,20,.24); }
.button-secondary:hover { border-color: #ffca50; color: #ffca50; background: rgba(242,182,61,.07); }
.hero-quote { width: min(100%, 540px); display: grid; grid-template-columns: 68px 1fr; gap: 0; margin: clamp(38px, 6vh, 68px) 0 0; padding: 0; border: 0; }
.quote-mark { color: #6840c7; font-family: Georgia, serif; font-size: 70px; font-weight: 800; line-height: .78; }
.hero-quote > div { padding: 9px 0 0 23px; border-left: 1px solid rgba(126,73,217,.8); }
.hero-quote p { margin: 0; color: rgba(255,255,255,.86); font-family: Georgia, "Times New Roman", serif; font-size: 16px; font-style: italic; line-height: 1.75; }
.hero-quote cite { display: flex; align-items: center; gap: 12px; margin-top: 18px; color: var(--gold); font-size: 12px; font-style: normal; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.hero-quote cite::before { content: ""; width: 14px; height: 1px; background: currentColor; }

.section { padding: 112px 0; }.section-heading h2, .publication-heading h2 { margin: 0; font-size: clamp(2.4rem, 4vw, 4.2rem); line-height: 1; letter-spacing: -.05em; }
.research-section { position: relative; padding: 58px 0 78px; background: linear-gradient(180deg, #fff 0%, #f8f8fb 100%); }.research-section::before { content: ""; position: absolute; inset: 0 0 auto; height: 1px; background: linear-gradient(90deg, transparent, rgba(111,60,229,.24), transparent); }.research-section .section-heading { display: flex; justify-content: center; margin-bottom: 34px; text-align: center; }.research-section .section-heading h2 { position: relative; color: #4c2ca6; font-size: 21px; font-weight: 800; letter-spacing: .01em; text-transform: uppercase; }.research-section .section-heading h2::after { content: ""; position: absolute; left: 50%; bottom: -12px; width: 48px; height: 3px; background: #6f3ce5; transform: translateX(-50%) scaleX(.45); transform-origin: center; transition: transform .55s cubic-bezier(.2,.8,.2,1); }.research-section .section-heading.visible h2::after { transform: translateX(-50%) scaleX(1); }
.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.research-card { position: relative; min-width: 0; overflow: hidden; background: white; border: 1px solid rgba(10,16,36,.1); border-radius: 13px; box-shadow: 0 5px 18px rgba(8,15,36,.07); transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, border-color .35s ease; }
.research-card::after { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: linear-gradient(90deg, var(--purple), var(--gold)); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.research-card:hover { transform: translateY(-6px); border-color: rgba(111,60,229,.22); box-shadow: 0 20px 42px rgba(8,15,36,.13); }
.research-card:hover::after { transform: scaleX(1); }
.card-image { position: relative; height: 205px; overflow: hidden; background: #060d1b; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1), filter .35s ease; }
.computational-card .card-image img { position: absolute; inset: 0 0 0 auto; width: 117%; max-width: none; object-position: right center; }
.research-card:hover .card-image img { transform: scale(1.035); filter: saturate(1.04) contrast(1.02); }
.computational-card:hover .card-image img { transform: scale(1.035); transform-origin: right center; }
.card-body { min-height: 174px; display: grid; grid-template-columns: 43px 1fr; gap: 14px; padding: 23px 22px 22px; }
.research-icon { width: 39px; height: 39px; color: #6840c7; transition: color .3s ease, transform .3s ease; }
.research-card:hover .research-icon { color: #7b45e2; transform: translateY(-2px); }
.research-icon svg { width: 100%; height: 100%; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.card-copy { display: flex; min-width: 0; flex-direction: column; }
.card-body h3 { margin: 1px 0 9px; font-size: 21px; font-weight: 700; line-height: 1.22; letter-spacing: -.018em; }
.card-body p { margin: 0; color: #4f5768; font-size: 15px; line-height: 1.58; }
.research-more-bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 58px; margin-top: 20px; padding: 0 24px; color: #5430ae; background: white; border: 1px solid rgba(111,60,229,.2); border-radius: 13px; box-shadow: 0 5px 18px rgba(8,15,36,.05); font-size: 13px; font-weight: 800; letter-spacing: .035em; text-transform: uppercase; transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.research-more-bar span:last-child { font-size: 20px; transition: transform .25s ease; }
.research-more-bar:hover { color: white; background: #5b31bb; border-color: #5b31bb; transform: translateY(-2px); }
.research-more-bar:hover span:last-child { transform: translateX(5px); }
.sponsors { padding: 66px 0 76px; background: #f2f0eb; border-top: 1px solid var(--line); }
.sponsor-heading { margin-bottom: 38px; text-align: center; }
.sponsor-heading h2 { position: relative; display: inline-block; margin: 0; color: #4c2ca6; font-size: 19px; font-weight: 800; letter-spacing: .035em; text-transform: uppercase; }
.sponsor-heading h2::after { content: ""; position: absolute; left: 50%; bottom: -11px; width: 46px; height: 3px; background: var(--purple); transform: translateX(-50%) scaleX(.45); transform-origin: center; transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.sponsors .reveal.visible .sponsor-heading h2::after { transform: translateX(-50%) scaleX(1); }
.sponsor-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; background: rgba(255,255,255,.72); border: 1px solid rgba(10,16,36,.1); border-radius: 14px; }
.sponsor-item { min-width: 0; min-height: 220px; display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 14px 10px; border-right: 1px solid rgba(10,16,36,.1); transition: background .3s ease; }
.sponsor-item:last-child { border-right: 0; }
.sponsor-item img { width: 100%; height: 178px; object-fit: contain; mix-blend-mode: multiply; transition: transform .35s cubic-bezier(.2,.8,.2,1), filter .35s ease; }
.sponsor-item-wide img { width: 118%; max-width: none; height: 172px; flex: 0 0 118%; }
.sponsor-item-seal img { max-width: 182px; }
.sponsor-item:nth-child(1) img { width: 100%; flex-basis: 100%; transform: none; }
.sponsor-item:nth-child(3) img { width: 92%; flex-basis: 92%; transform: none; }
.sponsor-item:hover { background: rgba(255,255,255,.9); }
.sponsor-item:hover img { transform: scale(1.025); filter: saturate(1.04); }
.sponsor-item:nth-child(1):hover img, .sponsor-item:nth-child(3):hover img { transform: scale(1.018); }

/* People page */
.subpage { background: #fbfbfc; }
.subpage .site-header { background: rgba(3, 8, 20, .98); border-bottom: 1px solid rgba(242, 182, 61, .26); box-shadow: 0 9px 28px rgba(0,0,0,.26); backdrop-filter: blur(18px); }
.people-hero { position: relative; overflow: hidden; padding: 100px 0 20px; color: white; background: linear-gradient(105deg, #0b1b31 0%, var(--navy) 58%, #0a1730 100%); border-bottom: 1px solid rgba(111, 60, 229, .24); }
.people-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(90deg, #000, transparent 85%); }
.people-hero::after { content: ""; position: absolute; width: 500px; height: 500px; right: -120px; top: -270px; background: radial-gradient(circle, rgba(111,60,229,.38), transparent 68%); }
.people-hero-layout { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 38px; }
.people-hero h1 { margin: 0; font-size: clamp(3rem, 5vw, 4.5rem); font-weight: 600; line-height: 1; letter-spacing: -.04em; }
.people-hero h1 span { color: var(--gold); }
.page-motif { width: 240px; height: 96px; flex: 0 0 auto; opacity: .92; filter: drop-shadow(0 10px 24px rgba(0,0,0,.18)); }
.page-motif svg { display: block; width: 100%; height: 100%; overflow: visible; }
.page-motif path, .page-motif circle { vector-effect: non-scaling-stroke; }
.page-motif path { fill: none; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.page-motif circle { fill: transparent; stroke-width: 1.45; }
.page-motif .motif-primary { stroke: rgba(255,255,255,.82); }
.page-motif .motif-soft { stroke: rgba(181,197,222,.35); }
.page-motif .motif-purple { stroke: var(--violet); }
.page-motif .motif-accent { stroke: var(--gold); }
.page-motif .motif-node { stroke: rgba(255,255,255,.72); }
.page-motif .motif-primary-fill { fill: rgba(255,255,255,.86); }
.page-motif .motif-purple-fill { fill: var(--violet); }
.page-motif .motif-accent-fill { fill: var(--gold); }
.page-motif .motif-sheet-back { fill: rgba(111,60,229,.07); }
.page-motif .motif-sheet { fill: rgba(255,255,255,.025); }
.page-motif .motif-route { stroke-dasharray: 5 6; }
.page-motif .motif-pin { fill: rgba(242,182,61,.05); }
.people-section { padding: 90px 0 112px; }
.people-section-heading { margin-bottom: 34px; }
.people-section-heading h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 4rem); font-weight: 700; line-height: 1.05; letter-spacing: -.035em; }
.leader-card { display: grid; grid-template-columns: minmax(300px, .6fr) 1.4fr; min-height: 540px; overflow: hidden; color: white; background: var(--navy-2); border-radius: 30px; box-shadow: var(--shadow); }
.leader-image { min-height: 540px; overflow: hidden; background: #172039; }
.leader-image img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 25%; }
.leader-copy { position: relative; display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 3.3vw, 44px); }
.leader-copy::after { content: "PI / 01"; position: absolute; right: 34px; top: 30px; color: rgba(255,255,255,.22); font-family: ui-monospace, monospace; font-size: 10px; letter-spacing: .16em; }
.member-role { margin: 0 0 13px; color: var(--gold); font-size: 15px; font-weight: 800; letter-spacing: .075em; text-transform: uppercase; }
.leader-copy h2 { margin: 0 0 24px; font-size: clamp(2.5rem, 4vw, 4.4rem); font-weight: 700; line-height: 1.02; letter-spacing: -.035em; }
.leader-copy > p:not(.member-role) { max-width: 740px; margin: 0; color: rgba(255,255,255,.82); font-size: 16px; line-height: 1.72; }
.leader-copy > p:not(.member-role) + p { margin-top: 14px; }
.member-group { padding-top: 88px; }
.group-heading { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.group-heading h2 { margin: 0; font-size: 28px; font-weight: 700; line-height: 1.15; letter-spacing: -.025em; }
.group-heading span { flex: 1; height: 1px; background: var(--line); }
.group-heading small { color: #5c34bd; font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.people-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.person-card { position: relative; display: flex; min-width: 0; flex-direction: column; overflow: hidden; background: white; border: 1px solid rgba(10,16,36,.1); border-radius: 22px; box-shadow: 0 8px 24px rgba(8,15,36,.07); transition: transform .3s ease, box-shadow .3s ease; }
.person-card::before { content: ""; position: absolute; z-index: 2; inset: 0 0 auto; height: 5px; background: linear-gradient(90deg, var(--gold), var(--purple)); }
.person-card:hover { transform: translateY(-5px); box-shadow: 0 20px 44px rgba(8,15,36,.13); }
.person-photo { position: relative; height: 360px; overflow: hidden; background: #e8e5ed; }
.person-photo::after { content: ""; position: absolute; inset: auto 0 0; height: 70px; background: linear-gradient(transparent, rgba(7,18,35,.32)); pointer-events: none; }
.person-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 12%; transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.person-card:hover .person-photo img { transform: scale(1.035); }
.person-photo img.placeholder { object-position: center; }
.person-copy { display: flex; flex: 1; flex-direction: column; padding: 24px 24px 22px; }
.person-copy h3 { margin: 0 0 7px; font-size: 23px; font-weight: 700; line-height: 1.22; letter-spacing: -.018em; }
.person-bio { margin: 0; color: #4f5768; font-size: 15px; line-height: 1.65; }
.person-link { display: inline-flex; align-items: center; align-self: flex-start; gap: 8px; margin-top: auto; padding-top: 22px; color: #542eaf; font-size: 14px; font-weight: 700; }
.person-link span { transition: transform .2s; }
.person-link:hover span { transform: translate(3px, -3px); }
.undergraduate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 785px; }
.undergraduate-grid .person-photo { height: 350px; }
/* Publications page */
.publications-hero h1 { font-size: clamp(3rem, 5vw, 4.5rem); }
.bibliography-section { padding: 64px 0 112px; background: #f7f6f3; }
.bibliography-heading { margin-bottom: 34px; }
.bibliography-heading h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 4rem); line-height: 1.05; letter-spacing: -.04em; }
.bibliography-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.bibliography-list li { display: grid; grid-template-columns: 38px 96px 1fr; gap: 22px; align-items: start; padding: 28px 22px; border-bottom: 1px solid rgba(10,16,36,.16); transition: background .2s, transform .2s; }
.bibliography-list li:hover { background: white; transform: translateX(5px); }
.bibliography-number { padding-top: 4px; color: #8a909d; font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.bibliography-marker { display: inline-flex; justify-content: center; min-width: 72px; padding: 6px 9px; color: #5630b3; background: rgba(111,60,229,.08); border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .045em; text-transform: uppercase; }
.status-accepted { color: #59400b; background: rgba(242,182,61,.24); }
.bibliography-list p { margin: 0; color: #343c4b; font-size: 16px; line-height: 1.72; }
.bibliography-list strong { color: var(--ink); font-weight: 700; }
.bibliography-list em { color: #242d3f; }
.bibliography-list a { display: inline-flex; align-items: center; justify-content: center; width: 27px; height: 27px; margin-left: 5px; color: #5c34bd; background: rgba(111,60,229,.08); border-radius: 50%; font-size: 14px; font-style: normal; font-weight: 800; vertical-align: middle; transition: color .2s, background .2s, transform .2s; }
.bibliography-list a:hover { color: white; background: var(--purple); transform: translateY(-2px); }
.bibliography-list .preprint-link { width: auto; height: auto; margin: 8px 0 0; padding: 5px 10px; gap: 6px; color: #5630b3; background: rgba(111,60,229,.08); border: 1px solid rgba(111,60,229,.16); border-radius: 999px; font-size: 11px; line-height: 1.3; vertical-align: baseline; }
.bibliography-list .preprint-link:hover { color: white; background: var(--purple); border-color: var(--purple); transform: translateY(-1px); }
.bibliography-list .journal-link { color: #73500b; background: rgba(242,182,61,.18); border-color: rgba(180,126,21,.22); }
.bibliography-list .journal-link:hover { color: #07101f; background: var(--gold); border-color: var(--gold); }

/* Research page */
.research-hero { padding-bottom: 20px; }
.research-hero .people-hero-layout { min-height: 0; }
.research-hero h1 { font-size: clamp(3rem, 5vw, 4.5rem); }
.topic-nav { position: sticky; z-index: 20; top: 96px; color: white; background: rgba(7,18,35,.96); border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(16px); }
.topic-nav-inner { display: grid; grid-template-columns: repeat(5, 1fr); }
.topic-nav a { display: flex; align-items: center; gap: 10px; min-height: 68px; padding: 12px 18px; color: rgba(255,255,255,.7); border-right: 1px solid rgba(255,255,255,.08); font-size: 12px; font-weight: 700; line-height: 1.25; transition: color .2s, background .2s; }
.topic-nav a:first-child { border-left: 1px solid rgba(255,255,255,.08); }
.topic-nav a:hover { color: white; background: rgba(157,104,255,.1); }
.topic-nav a span { color: var(--gold); font-family: ui-monospace, monospace; font-size: 10px; }
.research-topics { background: #fff; }
.topic-section { position: relative; padding: 104px 0; scroll-margin-top: 146px; border-bottom: 1px solid rgba(10,16,36,.11); }
.topic-section-soft { background: #f1efe9; }
.topic-section-final { background: #fff; border-bottom: 0; }
.topic-section-dark { color: white; background: #081426; }
.topic-section-dark::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(90deg, transparent, #000 35%, #000 75%, transparent); }
.topic-layout { position: relative; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr); gap: clamp(48px, 7vw, 94px); align-items: center; }
.topic-layout-reverse .topic-media { order: 2; }.topic-layout-reverse .topic-copy { order: 1; }
.topic-media { position: relative; min-width: 0; overflow: hidden; background: #06101f; border-radius: 26px; box-shadow: 0 28px 64px rgba(8,15,36,.18); }
.topic-media > img, .topic-media > video { width: 100%; height: auto; object-fit: contain; }
.topic-media > video { display: block; aspect-ratio: auto; background: #020813; }
.media-caption { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 30px 27px 20px; color: white; background: linear-gradient(transparent, rgba(3,9,20,.9)); pointer-events: none; }
.media-caption span { color: var(--gold); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.media-caption strong { font-size: 12px; font-weight: 600; }
.diagram-media { padding: 28px; background: #f6f7fb; }
.diagram-media > img { aspect-ratio: 16 / 10; object-fit: contain; }
.diagram-media .media-caption { margin: 0 -28px -28px; }
.rom-media { display: grid; gap: 1px; background: #d8dce3; }.rom-media > img { object-fit: contain; background: #fff; }
.sciml-media { display: grid; grid-template-columns: 1fr; gap: 1px; background: rgba(255,255,255,.12); }
.sciml-media figure { position: relative; min-width: 0; margin: 0; background: #030b17; }
.sciml-media figure:first-child img { height: 390px; }
.sciml-media figure:last-child img { height: 225px; }
.sciml-media img { width: 100%; object-fit: contain; background: #fff; }
.sciml-media figcaption { position: absolute; inset: auto 0 0; padding: 30px 18px 15px; color: rgba(255,255,255,.82); background: linear-gradient(transparent, rgba(3,9,20,.88)); font-size: 11px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.topic-number { margin: 0 0 17px; color: #6237c7; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.topic-section-dark .topic-number { color: var(--gold); }
.topic-copy h2 { margin: 0 0 22px; font-size: clamp(2rem, 3vw, 3rem); line-height: 1.12; letter-spacing: -.035em; }
.topic-intro, .topic-copy > p:not(.topic-number):not(.topic-intro) { margin: 0; color: #4f5868; font-size: 16px; font-weight: 400; line-height: 1.72; }
.topic-copy > p + p { margin-top: 15px !important; }
.topic-section-dark .topic-intro, .topic-section-dark .topic-copy > p:not(.topic-number):not(.topic-intro) { color: rgba(255,255,255,.7); }
.paper-list { margin-top: 34px; border-top: 1px solid rgba(10,16,36,.14); }
.topic-section-dark .paper-list { border-color: rgba(255,255,255,.16); }
.paper-link { display: grid; grid-template-columns: 64px 1fr 20px; gap: 16px; align-items: start; padding: 19px 3px; border-bottom: 1px solid rgba(10,16,36,.14); transition: transform .2s, background .2s; }
.topic-section-dark .paper-link { border-color: rgba(255,255,255,.14); }
.paper-link:hover { transform: translateX(5px); }
.paper-year { padding-top: 2px; color: #6338c7; font-family: ui-monospace, monospace; font-size: 10px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.topic-section-dark .paper-year { color: var(--gold); }
.paper-link strong { display: block; font-size: 14px; line-height: 1.45; }
.paper-link small { display: block; margin-top: 5px; color: #747b89; font-size: 11px; line-height: 1.4; }
.topic-section-dark .paper-link small { color: rgba(255,255,255,.48); }
.paper-link > span:last-child { color: #6338c7; font-weight: 800; }.topic-section-dark .paper-link > span:last-child { color: var(--gold); }
.research-record { padding: 74px 0; color: white; background: linear-gradient(112deg, #3f218b, #6435c5 58%, #7a44db); }
.research-record-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.research-record p { max-width: 720px; margin: 0; color: rgba(255,255,255,.86); font-size: clamp(1.05rem, 2vw, 1.35rem); line-height: 1.55; }

/* Contact page */
.contact-hero h1 { font-size: clamp(3rem, 5vw, 4.5rem); }
.contact-section { padding: 58px 0 110px; background: #f7f6f3; }
.contact-heading { max-width: 760px; margin-bottom: 38px; }
.contact-heading h2 { margin: 0; font-size: clamp(2.45rem, 4.5vw, 4.6rem); line-height: 1; letter-spacing: -.045em; }
.contact-heading > p:not(.eyebrow) { max-width: 650px; margin: 20px 0 0; color: #4f5768; font-size: 18px; line-height: 1.65; }
.contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 24px; align-items: stretch; }
.contact-panel, .map-card { overflow: hidden; border-radius: 28px; box-shadow: 0 18px 45px rgba(8,15,36,.1); }
.contact-panel { display: flex; flex-direction: column; padding: 40px; color: white; background: var(--navy-2); }
.contact-panel-top { padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.15); }
.contact-label { margin: 0 0 7px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.contact-panel h3, .map-caption h3 { margin: 0; font-size: 27px; line-height: 1.18; letter-spacing: -.025em; }
.contact-panel-top > p:last-child { margin: 8px 0 0; color: rgba(255,255,255,.72); font-size: 15px; }
.contact-list { margin: 0; }
.contact-list > div { display: grid; grid-template-columns: 90px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-list dt { color: rgba(255,255,255,.52); font-size: 13px; font-weight: 700; }
.contact-list dd { margin: 0; color: rgba(255,255,255,.92); font-size: 16px; line-height: 1.55; }
.contact-list a { color: white; text-decoration: underline; text-decoration-color: rgba(242,182,61,.45); text-underline-offset: 4px; }
.contact-email-button { align-self: flex-start; margin-top: 28px; color: #07101f; background: var(--gold); }
.map-card { display: grid; grid-template-rows: minmax(410px, 1fr) auto; background: white; }
.map-card iframe { width: 100%; height: 100%; min-height: 410px; border: 0; filter: saturate(.85) contrast(1.02); }
.map-caption { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 25px 28px; border-top: 1px solid var(--line); }
.map-caption .contact-label { color: var(--purple); }.map-caption > div > p:last-child { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.map-caption > a { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; color: #542eaf; font-size: 14px; font-weight: 700; }
.visit-strip { display: grid; grid-template-columns: 1fr 1fr auto; gap: 30px; align-items: center; margin-top: 28px; padding: 28px 30px; background: white; border: 1px solid var(--line); border-radius: 20px; }
.visit-strip > div { display: grid; grid-template-columns: 28px 1fr; gap: 12px; }
.visit-strip span { color: var(--purple); font-size: 11px; font-weight: 800; }
.visit-strip p { margin: 0; color: #555e6e; font-size: 14px; line-height: 1.55; }
.visit-strip strong { display: block; color: var(--ink); font-size: 15px; }
.visit-strip > a { display: inline-flex; gap: 8px; color: #542eaf; font-size: 14px; font-weight: 700; }
.site-footer { position: relative; overflow: hidden; color: white; background: #060d1b; }.footer-grid { opacity: .5; mask-image: linear-gradient(90deg, transparent, #000 45%, transparent); }.footer-main { position: relative; display: grid; grid-template-columns: 1.35fr .65fr 1fr .95fr; gap: 58px; padding: 76px 0 62px; }.footer-brand p { max-width: 310px; margin-top: 25px; color: rgba(255,255,255,.5); font-size: 13px; }.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }.footer-column h2 { margin: 4px 0 15px; color: var(--gold); font-size: 11px; letter-spacing: .13em; text-transform: uppercase; }.footer-column a, .footer-column address { color: rgba(255,255,255,.62); font-size: 12px; font-style: normal; transition: color .2s; }.footer-column a:hover { color: white; }.contact-column address { margin-top: 9px; }.building-image { width: 100%; height: 118px; object-fit: cover; filter: saturate(.75); opacity: .8; }.footer-bottom { position: relative; display: flex; justify-content: space-between; gap: 20px; padding: 19px 0 23px; color: rgba(255,255,255,.32); border-top: 1px solid rgba(255,255,255,.12); font-size: 10px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .62s ease, transform .62s cubic-bezier(.2,.75,.25,1); }.reveal[data-delay="1"] { transition-delay: .09s; }.reveal[data-delay="2"] { transition-delay: .18s; }.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1020px) {
  .primary-nav { gap: 21px; }
  .hero { background-position: 58% center; }
  .card-image { height: 190px; }.card-body { min-height: 190px; padding: 20px 18px; }
  .sponsor-item { min-height: 190px; padding: 12px 8px; }.sponsor-item img { height: 152px; }.sponsor-item-wide img { width: 122%; max-width: none; height: 148px; flex-basis: 122%; }.sponsor-item-seal img { max-width: 156px; }
  .footer-main { grid-template-columns: 1.2fr .7fr 1fr; }.footer-main > :last-child { display: none; }
  .people-grid { grid-template-columns: repeat(2, 1fr); }.person-photo { height: 360px; }
  .topic-nav a { padding-inline: 10px; }
  .topic-layout { gap: 42px; }
  .sciml-media figure:first-child img { height: 350px; }.sciml-media figure:last-child img { height: 205px; }
  .topic-copy h2 { font-size: clamp(2rem, 3.6vw, 2.75rem); }
}

@media (max-width: 760px) {
  section[id], footer[id] { scroll-margin-top: 70px; }
  .shell { width: min(calc(100% - 30px), var(--shell)); }
  .header-inner { min-height: 76px; }.brand { min-width: 0; }.brand-logo { width: 92px; }.footer-brand .brand-logo { width: 132px; }
  .menu-button { display: block; position: relative; z-index: 3; }.menu-button.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.menu-button.open span:nth-child(2) { opacity: 0; }.menu-button.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .primary-nav { position: absolute; inset: 0; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; gap: 12px; background: rgba(5,13,27,.98); transform: translateY(-110%); transition: transform .3s ease; }.primary-nav.open { transform: translateY(0); }.primary-nav a { padding: 10px; font-size: 28px; }.primary-nav a::after { bottom: 4px; }
  .hero { min-height: 860px; background-position: 65% center; }.hero::before { background: linear-gradient(90deg, rgba(2,7,17,.98) 0%, rgba(2,7,17,.93) 42%, rgba(2,7,17,.62) 72%, rgba(2,7,17,.3) 100%), linear-gradient(180deg, rgba(2,7,17,.52), rgba(2,7,17,.15) 42%, rgba(2,7,17,.72)); }.hero-layout { min-height: 860px; padding-top: 112px; padding-bottom: 46px; }.hero h1 { font-size: clamp(3.6rem, 15vw, 4.75rem); }.hero-lede { max-width: 410px; font-size: 16px; }.hero-quote { margin-top: 62px; }
  .section { padding: 78px 0; }.research-section { padding: 48px 0 62px; }.research-grid { grid-template-columns: 1fr; gap: 18px; }.card-image { height: 260px; }.card-body { min-height: 170px; padding: 22px; }.card-body a { margin-top: 14px; }
  .sponsors { padding: 58px 0 64px; }.sponsor-grid { grid-template-columns: repeat(2, 1fr); }.sponsor-item { border-bottom: 1px solid rgba(10,16,36,.1); }.sponsor-item:nth-child(2n) { border-right: 0; }.sponsor-item:nth-last-child(-n+2) { border-bottom: 0; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 24px; }.footer-brand { grid-column: 1 / -1; }.footer-bottom { flex-direction: column; }
  .people-hero { padding: 88px 0 18px; }.people-hero h1 { font-size: clamp(2.6rem, 10vw, 3.5rem); }.page-motif { width: 170px; height: 80px; }.people-section { padding: 66px 0 82px; }.leader-card { grid-template-columns: 1fr; border-radius: 24px; }.leader-image { min-height: 430px; }.leader-copy { padding: 42px 30px 48px; }.people-grid, .undergraduate-grid { grid-template-columns: 1fr; }.undergraduate-grid { max-width: none; }.person-photo, .undergraduate-grid .person-photo { height: min(112vw, 500px); }.member-group { padding-top: 66px; }
  .bibliography-section { padding: 64px 0 82px; }.bibliography-list li { grid-template-columns: 34px 1fr; gap: 12px 14px; padding: 25px 8px; }.bibliography-marker { grid-column: 2; grid-row: 1; justify-self: start; }.bibliography-list p { grid-column: 1 / -1; font-size: 16px; }
  .contact-section { padding: 64px 0 82px; }.contact-layout { grid-template-columns: 1fr; }.contact-panel { padding: 34px 30px; }.map-card { grid-template-rows: 390px auto; }.map-card iframe { min-height: 390px; }.visit-strip { grid-template-columns: 1fr 1fr; }.visit-strip > a { grid-column: 1 / -1; }
  .research-hero { padding-bottom: 18px; }.research-hero .people-hero-layout { min-height: 0; }
  .topic-nav { top: 76px; overflow-x: auto; }.topic-nav-inner { width: max-content; min-width: 100%; grid-template-columns: repeat(5, auto); }.topic-nav a { min-width: 150px; min-height: 58px; white-space: nowrap; }
  .topic-section { padding: 76px 0; scroll-margin-top: 134px; }.topic-layout { grid-template-columns: 1fr; gap: 40px; }.topic-layout-reverse .topic-media, .topic-layout-reverse .topic-copy { order: initial; }
  .sciml-media figure:first-child img { height: min(76vw, 520px); }.sciml-media figure:last-child img { height: min(43vw, 290px); }
  .research-record-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 460px) {
  .hero { min-height: 900px; background-position: 63% center; }.hero-layout { min-height: 900px; }.hero h1 { font-size: clamp(3.35rem, 15vw, 4rem); }.hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }.hero-quote { grid-template-columns: 45px 1fr; margin-top: 54px; }.quote-mark { font-size: 54px; }.hero-quote > div { padding-left: 16px; }.hero-quote p { font-size: 14px; }.card-image { height: 215px; }.sponsor-grid { grid-template-columns: 1fr; }.sponsor-item { min-height: 180px; padding: 24px; border-right: 0; border-bottom: 1px solid rgba(10,16,36,.1); }.sponsor-item img { height: 138px; }.sponsor-item-wide img { max-width: 330px; }.sponsor-item-seal img { max-width: 146px; }.sponsor-item:nth-last-child(-n+2) { border-bottom: 1px solid rgba(10,16,36,.1); }.sponsor-item:last-child { border-bottom: 0; }.footer-main { grid-template-columns: 1fr; }.footer-brand { grid-column: auto; }
  .leader-image { min-height: 360px; }.people-hero h1, .publications-hero h1, .contact-hero h1, .research-hero h1 { font-size: clamp(2.35rem, 11vw, 2.85rem); }.page-motif { display: none; }.person-photo, .undergraduate-grid .person-photo { height: 116vw; }
  .bibliography-heading h2 { font-size: 2.35rem; }
  .contact-heading > p:not(.eyebrow) { font-size: 16px; }.contact-panel, .map-card { border-radius: 22px; }.contact-list > div { grid-template-columns: 1fr; gap: 5px; }.map-card { grid-template-rows: 330px auto; }.map-card iframe { min-height: 330px; }.map-caption { display: block; }.map-caption > a { margin-top: 18px; }.visit-strip { grid-template-columns: 1fr; padding: 25px 22px; }.visit-strip > a { grid-column: auto; }
  .topic-copy h2 { font-size: 2rem; }
  .topic-media { border-radius: 19px; }.sciml-media figure:first-child img { height: 310px; }.sciml-media figure:last-child img { height: 180px; }.paper-link { grid-template-columns: 1fr 18px; gap: 9px 12px; }.paper-year { grid-column: 1; }.paper-link > span:nth-child(2) { grid-column: 1; }.paper-link > span:last-child { grid-column: 2; grid-row: 1 / 3; }
}

@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; }
}
