:root {
  --ink: #10283a;
  --muted: #5d6c76;
  --blue: #0a4f78;
  --blue-2: #176f96;
  --ice: #eaf2f5;
  --paper: #fbfaf6;
  --white: #fff;
  --line: rgba(16, 40, 58, .15);
  --accent: #d66a35;
  --max: 1180px;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: .9rem; line-height: 1.55; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--accent); }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: var(--white); }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251,250,246,.94); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-wrap { max-width: var(--max); margin: auto; min-height: 3.6rem; padding: .35rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: .8rem; font-weight: 750; letter-spacing: -.02em; }
.brand-mark { width: 1.85rem; height: 1.85rem; border-radius: 50%; background: linear-gradient(145deg,var(--blue),var(--blue-2)); display: grid; place-items: center; color: white; font-family: var(--serif); }
.nav { display: flex; align-items: center; gap: 1.45rem; }
.nav a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 650; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--ink); }
.nav a[aria-current='page'] { border-bottom: 2px solid var(--accent); }
.menu-button { display: none; border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: .55rem .85rem; font: inherit; }
.container { width: min(var(--max), calc(100% - 3rem)); margin-inline: auto; }
.hero { min-height: min(27rem, calc(66vh - 3.6rem)); display: flex; align-items: center; }
.hero-simple { color: white; background: linear-gradient(90deg, rgba(7,31,48,.87) 0%, rgba(7,31,48,.68) 52%, rgba(7,31,48,.16) 100%), url('mountain.jpg') center / cover; }
.hero-copy { width: min(var(--max), calc(100% - 3rem)); margin-inline: auto; padding: clamp(2.25rem,4vw,3.5rem) 0; display: flex; flex-direction: column; justify-content: center; }
.hero-simple .hero-copy { margin-inline: max(1.5rem, calc((100vw - var(--max))/2)); max-width: 48rem; }
.hero-simple .lead { color: rgba(255,255,255,.9); }
.hero-simple .eyebrow { color: #a7d9e7; }
.eyebrow { text-transform: uppercase; letter-spacing: .13em; font-size: .76rem; font-weight: 800; color: var(--blue-2); margin: 0 0 1rem; }
h1,h2,h3 { font-family: var(--serif); line-height: 1.08; font-weight: 500; letter-spacing: -.025em; }
h1 { font-size: clamp(1.8rem,2.8vw,2.7rem); margin: 0 0 .8rem; max-width: 18ch; }
.hero-simple h1 { max-width: 26ch; font-size: clamp(1.8rem,2.75vw,2.65rem); }
.page-hero h1 { font-size: clamp(1.8rem,2.5vw,2.35rem); max-width: 25ch; }
h2 { font-size: clamp(1.5rem,2.2vw,2rem); margin: 0 0 .6rem; }
h3 { font-size: 1.15rem; margin: 0 0 .4rem; }
.lead { font-size: clamp(.98rem,1.25vw,1.08rem); line-height: 1.45; color: #344d5c; max-width: 48rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: .82rem 1.15rem; border-radius: 999px; border: 1px solid var(--blue); background: var(--blue); color: var(--white); text-decoration: none; font-weight: 700; font-size: .93rem; }
.button:hover { background: var(--accent); border-color: var(--accent); color: var(--white); }
.button.secondary { color: var(--blue); background: transparent; }
.button.secondary:hover { color: var(--white); background: var(--blue); }
.button.light { color: white; border-color: rgba(255,255,255,.75); background: rgba(255,255,255,.08); }
.button.light:hover { background: white; color: var(--ink); }
.affiliation-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.affiliation-inner { min-height: 3.6rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: var(--muted); font-size: .82rem; }
.affiliation-inner strong { color: var(--ink); }
.section { padding: clamp(2.35rem,3.8vw,3.6rem) 0; }
.section.tint { background: var(--ice); }
.section.dark { color: #f5f8f8; background: var(--ink); }
.section.dark .eyebrow { color: #8fc6da; }
.section.dark .lead, .section.dark p { color: #cbd7dd; }
.section-head { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(1.25rem,4vw,4rem); align-items: start; margin-bottom: 1.5rem; }
.section-head p { margin-top: .35rem; color: var(--muted); max-width: 42rem; }
.section-head.compact { margin-bottom: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.2rem; }
.card { background: var(--white); border: 1px solid var(--line); padding: clamp(1.15rem,2vw,1.65rem); min-height: 12rem; }
.card-number { color: var(--accent); font-weight: 800; font-size: .78rem; letter-spacing: .1em; }
.card p { color: var(--muted); margin-bottom: 0; }
.feature-card { min-height: 15rem; }
.mini-list { padding-left: 1.2rem; margin: 1.2rem 0 0; }
.mini-list li { margin-bottom: .35rem; font-weight: 700; }
.quiet { font-size: .88rem; }
.project-card { min-height: 13rem; }
.dark-card { padding: 1.6rem 0; border-top: 1px solid rgba(255,255,255,.22); }
.dark-card p { color: #cbd7dd; }
.applications { margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid rgba(255,255,255,.2); }
.application-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.18); }
.application-grid > div { min-height: 9rem; padding: 1.4rem; background: var(--ink); }
.application-grid strong, .application-grid span { display: block; }
.application-grid strong { font-family: var(--serif); font-size: 1.2rem; font-weight: 500; }
.application-grid span { margin-top: .5rem; color: #cbd7dd; font-size: .88rem; }
.link-arrow { display: inline-block; margin-top: 1.25rem; font-weight: 750; text-decoration: none; }
.link-arrow::after { content: '  →'; }
.focus-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(255,255,255,.2); }
.focus-list li { display: grid; grid-template-columns: 3rem 1fr 1.2fr; gap: 1.4rem; padding: 1.35rem 0; border-bottom: 1px solid rgba(255,255,255,.2); align-items: baseline; }
.focus-list span { color: #8fc6da; font-weight: 800; }
.focus-list strong { font-family: var(--serif); font-size: 1.3rem; font-weight: 500; }
.focus-list p { margin: 0; }
.page-hero { padding: clamp(2.1rem,3.5vw,3rem) 0 clamp(1.8rem,2.8vw,2.5rem); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; width: 28rem; height: 28rem; right: -12rem; top: -10rem; border: 1px solid rgba(10,79,120,.16); border-radius: 50%; box-shadow: 0 0 0 5rem rgba(10,79,120,.035), 0 0 0 10rem rgba(10,79,120,.025); }
.page-hero .lead { max-width: 48rem; }
.theme { display: grid; grid-template-columns: minmax(14rem,.75fr) 1.25fr; gap: clamp(2rem,6vw,6rem); padding: 3rem 0; border-top: 1px solid var(--line); }
.theme:last-child { border-bottom: 1px solid var(--line); }
.research-project { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(1.25rem,3vw,3rem); align-items: center; padding: clamp(1.8rem,3vw,2.8rem) 0; border-top: 1px solid var(--line); }
.research-project.reverse { grid-template-columns: 1.22fr .78fr; }
.research-project.reverse .research-copy { order: 2; }
.research-project.reverse .research-figure { order: 1; }
.research-copy h3 { font-size: clamp(1.55rem,2.2vw,2.1rem); }
.research-copy p { color: var(--muted); }
.project-index { color: var(--accent) !important; text-transform: uppercase; letter-spacing: .1em; font-size: .76rem; font-weight: 800; }
.research-figure { margin: 0; padding: .8rem; background: var(--white); border: 1px solid var(--line); }
.research-figure img { width: 100%; height: auto; }
.research-figure figcaption { padding: .7rem .2rem 0; color: var(--muted); font-size: .75rem; }
.eye2heart-visual { display: block; }
.eye2heart-visual .eye-heart-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: .72; }
.eye2heart-visual .eye-heart-circuit { position: relative; z-index: 1; width: auto; height: 30rem; max-width: 54%; object-fit: contain; filter: contrast(1.7); box-shadow: 0 0 2rem 1.2rem rgba(255,255,255,.9); }
.eye2heart-visual figcaption { position: static; }
.eye2heart-visual > img { max-height: 38rem; object-fit: contain; }
.logo-figure { display: grid; place-items: center; width: min(100%,24rem); min-height: 13rem; justify-self: center; transition: border-color .2s ease, transform .2s ease; }
.logo-figure:hover { border-color: var(--blue); transform: translateY(-2px); }
.logo-figure img { max-width: 19rem; }
.theme h2 { font-size: clamp(1.9rem,3vw,2.75rem); }
.tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.tag { padding: .3rem .65rem; border-radius: 999px; border: 1px solid var(--line); font-size: .78rem; font-weight: 700; color: var(--blue); }
.publication { display: grid; grid-template-columns: 4.2rem 1fr; gap: 1rem; padding: 1.5rem 0; border-top: 1px solid var(--line); }
.publication:last-child { border-bottom: 1px solid var(--line); }
.pub-year { color: var(--accent); font-weight: 800; }
.publication h3 { font-family: var(--sans); font-size: 1.08rem; line-height: 1.45; font-weight: 750; margin: 0 0 .3rem; }
.publication h2 { font-family: var(--sans); font-size: 1.08rem; line-height: 1.45; font-weight: 750; margin: 0 0 .3rem; }
.publication h2 a { color: var(--ink); text-decoration: none; }
.publication h2 a:hover { color: var(--accent); }
.publication p { margin: 0; color: var(--muted); font-size: .92rem; }
.publication-year { margin: 0 0 3rem; }
.publication-year > h2 { color: var(--blue); font-size: clamp(1.65rem,2.4vw,2.15rem); padding-bottom: .4rem; border-bottom: 1px solid var(--blue); }
.publication-type { margin-top: 1.4rem; }
.publication-type > h3 { color: var(--accent); font-family: var(--sans); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.publication-type .publication { display: block; padding: .9rem 0; }
.publication h4 { margin: 0 0 .35rem; font-size: 1.05rem; line-height: 1.45; }
.publication h4 a { color: var(--ink); text-decoration: none; }
.publication h4 a:hover { color: var(--accent); }
.publication-authors strong { color: var(--blue); font-weight: 800; }
.publication-venue { margin-top: .2rem !important; font-style: italic; }
.hal-status { margin-bottom: 1.5rem; color: var(--muted); font-size: .9rem; }
.hal-box { margin-top: 2rem; padding: 1.5rem; border: 1px solid var(--line); background: var(--white); display: flex; gap: 1.5rem; justify-content: space-between; align-items: center; }
.hal-box p { margin: 0; color: var(--muted); }
.timeline { max-width: 52rem; }
.timeline-item { display: grid; grid-template-columns: 8rem 1fr; gap: 1.5rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.timeline-item time { color: var(--accent); font-weight: 800; }
.timeline-item p { margin: .25rem 0 0; color: var(--muted); }
.fact-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); }
.fact { padding: 2rem; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact strong { display: block; font-family: var(--serif); font-size: 2.2rem; font-weight: 500; color: var(--blue); }
.plain-list { padding-left: 1.2rem; }
.plain-list li { margin-bottom: 1rem; }
.supervision-card { min-height: 0; }
.supervision-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.supervision-list li { padding: 1rem 0; border-top: 1px solid var(--line); }
.supervision-list strong, .supervision-list span { display: block; }
.supervision-list strong { color: var(--ink); font-size: .94rem; }
.supervision-list span { margin-top: .25rem; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.supervision-list small { display: block; margin-top: .55rem; color: var(--blue); font-size: .8rem; line-height: 1.5; }
.supervision-group { margin-top: 2rem; }
.supervision-group > h3 { margin-bottom: 1.2rem; }
.internships { padding-top: 1rem; }
.internship-years { background: var(--white); border: 1px solid var(--line); }
.internship-years > div { display: grid; grid-template-columns: 5rem 1fr; gap: 1.2rem; padding: 1rem 1.4rem; border-top: 1px solid var(--line); }
.internship-years > div:first-child { border-top: 0; }
.internship-years strong { color: var(--accent); }
.internship-years span { color: var(--muted); }
.opportunity { display: grid; grid-template-columns: 1.4fr .6fr; gap: 2rem; align-items: end; padding: clamp(1.5rem,3vw,2.5rem); background: var(--white); border: 1px solid var(--line); }
.contact-strip { display: grid; grid-template-columns: 1.25fr .75fr; gap: 3rem; align-items: end; }
.contact-links { display: flex; flex-wrap: wrap; gap: 1rem 1.4rem; }
.contact-links a { color: white; }
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .85rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; }
@media (max-width: 860px) {
  .menu-button { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 1rem 1.5rem 1.4rem; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  .nav.open { display: flex; }
  .hero-copy { width: min(100% - 2rem,var(--max)); padding: 2.4rem 0; }
  .hero-simple .hero-copy { margin-inline: 1rem; }
  .affiliation-inner { min-height: 0; padding-block: 1rem; flex-direction: column; align-items: flex-start; gap: .35rem; }
  .internship-years > div { grid-template-columns: 1fr; gap: .2rem; }
  .section-head, .theme, .contact-strip, .opportunity { grid-template-columns: 1fr; gap: 1rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .focus-list li { grid-template-columns: 2.2rem 1fr; }
  .focus-list p { grid-column: 2; }
  .fact-grid { grid-template-columns: 1fr; }
  .research-project, .research-project.reverse { grid-template-columns: 1fr; gap: 1.4rem; }
  .research-project.reverse .research-copy, .research-project.reverse .research-figure { order: initial; }
  .application-grid { grid-template-columns: 1fr 1fr; }
  .fact { border-right: 0; border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: 0; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 2rem,var(--max)); }
  h1 { font-size: 1.8rem; }
  .timeline-item, .publication { grid-template-columns: 1fr; gap: .2rem; }
  .application-grid { grid-template-columns: 1fr; }
  .logo-figure { min-height: 10rem; }
  .logo-figure img { max-width: 15rem; }
  .hal-box, .footer-inner { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }