:root {
  --text: #22272e;
  --muted: #5f6873;
  --blue: #245b8a;
  --blue-dark: #183f63;
  --border: #dfe4e8;
  --soft: #f5f7f8;
  --white: #ffffff;
  --container: 1040px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: var(--sans); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img, video { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue-dark); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; color: #171b20; }
h3 { color: #20262c; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 8px 12px; color: white; background: var(--blue-dark); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { border-bottom: 1px solid var(--border); background: rgba(255,255,255,.96); }
.nav-wrap { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.site-name { color: var(--text); font-family: var(--serif); font-size: 22px; font-weight: 600; text-decoration: none; }
.site-nav { display: flex; align-items: center; gap: 27px; }
.site-nav a { padding: 22px 0 19px; color: var(--muted); border-bottom: 2px solid transparent; font-size: 14px; text-decoration: none; }
.site-nav a:hover, .site-nav a.active { color: var(--blue); border-bottom-color: var(--blue); }
.menu-button { display: none; padding: 6px 10px; color: var(--blue); background: white; border: 1px solid var(--border); border-radius: 4px; }

.profile { padding: 76px 0 64px; display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 72px; align-items: start; }
.kicker { margin-bottom: 10px; color: var(--blue); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.profile h1 { margin-bottom: 8px; font-size: clamp(48px, 6vw, 68px); line-height: 1.08; }
.role { margin-bottom: 25px; color: var(--muted); font-size: 19px; line-height: 1.5; }
.profile-copy > p:not(.kicker, .role) { max-width: 670px; margin-bottom: 16px; }
.profile-links { margin: 27px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 24px; list-style: none; }
.profile-links a, .text-link, .section-link { font-size: 14px; font-weight: 600; }
.email-options { display: inline-flex; align-items: center; gap: 9px; }
.email-options button { padding: 2px 7px; color: var(--blue); background: var(--soft); border: 1px solid var(--border); border-radius: 3px; cursor: pointer; font: inherit; font-size: 11px; }
.email-options button:hover, .email-options button:focus-visible { color: var(--white); background: var(--blue); border-color: var(--blue); }
.copy-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.profile-photo { margin: 0; }
.profile-photo img { width: 100%; height: auto; border-radius: 6px; }
.profile-photo figcaption { margin-top: 8px; color: var(--muted); font-size: 12px; text-align: right; }
.current-work { margin-bottom: 86px; padding: 18px 22px; display: grid; grid-template-columns: 140px 1fr; gap: 25px; background: var(--soft); border-left: 3px solid var(--blue); }
.current-work span { color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.current-work p { margin: 0; font-size: 14px; }

.content-section { padding: 72px 0; border-top: 1px solid var(--border); }
.two-column { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 65px; }
.section-heading h2, .section-intro h2 { margin-bottom: 12px; font-size: 28px; }
.section-heading .section-link { display: inline-block; margin-top: 8px; }
.section-intro { max-width: 720px; margin-bottom: 35px; }
.section-intro > p, .section-intro-link p { color: var(--muted); }
.section-intro-link { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-intro-link p { margin-bottom: 0; }
.section-intro-link > a { flex: 0 0 auto; font-size: 14px; font-weight: 600; }

.news-list { margin: 0; padding: 0; list-style: none; }
.news-list li { padding: 0 0 17px; display: grid; grid-template-columns: 95px 1fr; gap: 20px; }
.news-list time { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.news-list p { margin: 0; }
.interest-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; }
.interest-grid article { padding-top: 19px; border-top: 2px solid var(--blue); }
.interest-grid h3 { margin-bottom: 9px; font-family: var(--serif); font-size: 20px; font-weight: 600; }
.interest-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.timeline-item { padding: 0 0 35px; margin-bottom: 35px; display: grid; grid-template-columns: 145px 1fr; gap: 25px; border-bottom: 1px solid var(--border); }
.timeline-item:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.timeline-date { padding-top: 3px; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.timeline-item h3 { margin-bottom: 3px; font-size: 17px; }
.timeline-item .affiliation { margin-bottom: 11px; color: var(--blue); font-size: 14px; }
.timeline-item div > p:not(.affiliation) { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.experience-link { display: inline-block; margin-top: 10px; font-size: 12px; font-weight: 600; }

.project-list { border-top: 1px solid var(--border); }
.project-entry { padding: 29px 0; display: grid; grid-template-columns: 100px 1fr; gap: 30px; border-bottom: 1px solid var(--border); }
.project-year { color: var(--muted); font-size: 13px; }
.project-entry h3 { margin-bottom: 8px; font-size: 18px; }
.project-entry h3 a { color: var(--text); text-decoration: none; }
.project-entry h3 a:hover { color: var(--blue); }
.project-entry p { max-width: 780px; margin-bottom: 13px; color: var(--muted); font-size: 14px; }
.tag-list { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.tag-list li { padding: 3px 8px; color: #50606e; background: var(--soft); border: 1px solid var(--border); border-radius: 3px; font-size: 11px; }
.visual-project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px 30px; }
.visual-project { min-width: 0; }
.visual-project-wide { grid-column: 1 / -1; }
.visual-project-media { overflow: hidden; display: block; background: var(--soft); border: 1px solid var(--border); }
.visual-project-media > img, .visual-project-media > video { width: 100%; height: 320px; object-fit: contain; }
.visual-project-media > video { background: #111; }
.media-comparison { display: grid; grid-template-columns: 1.45fr .65fr; }
.media-comparison figure { min-width: 0; margin: 0; position: relative; background: #eef1f3; }
.media-comparison figure + figure { border-left: 1px solid var(--border); }
.media-comparison img { width: 100%; height: 390px; object-fit: contain; }
.media-comparison figcaption { position: absolute; left: 10px; bottom: 10px; padding: 4px 7px; color: var(--text); background: rgba(255,255,255,.92); font-size: 11px; }
.visual-project-copy { padding-top: 17px; }
.visual-project-copy h3 { margin-bottom: 8px; font-family: var(--serif); font-size: 20px; }
.visual-project-copy h3 a { color: var(--text); text-decoration: none; }
.visual-project-copy h3 a:hover { color: var(--blue); }
.visual-project-copy > p:not(.project-meta) { margin-bottom: 12px; color: var(--muted); font-size: 14px; }

.publication-list article { padding-bottom: 30px; margin-bottom: 30px; border-bottom: 1px solid var(--border); }
.publication-list article:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.publication-list .venue, .full-publication-list .venue { margin-bottom: 7px; color: var(--blue); font-size: 12px; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; }
.publication-list h3 { margin-bottom: 8px; font-family: var(--serif); font-size: 19px; line-height: 1.4; }
.publication-list article > p:not(.venue) { margin-bottom: 7px; color: var(--muted); font-size: 13px; }
.publication-list article > a { font-size: 13px; font-weight: 600; }
.education-list article { padding-bottom: 28px; margin-bottom: 28px; display: grid; grid-template-columns: 1fr auto; gap: 30px; border-bottom: 1px solid var(--border); }
.education-list article:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.education-list h3 { margin-bottom: 4px; font-size: 17px; }
.education-list p { margin-bottom: 4px; color: var(--muted); font-size: 14px; }
.education-list .thesis { max-width: 680px; margin-top: 8px; color: var(--text); font-size: 13px; }
.education-list time { color: var(--muted); font-size: 13px; }
.skills-list p { margin-bottom: 12px; color: var(--muted); font-size: 14px; }
.skills-list strong { color: var(--text); }

.page-header { max-width: 760px; padding: 72px 0 62px; }
.page-header h1 { margin-bottom: 17px; font-size: clamp(44px, 6vw, 62px); line-height: 1.1; }
.page-header > p:last-child { color: var(--muted); font-size: 18px; }
.list-heading { margin: 0; padding-bottom: 15px; border-bottom: 1px solid var(--border); font-family: var(--serif); font-size: 26px; font-weight: 500; }
.project-detail { padding: 50px 0; display: grid; grid-template-columns: 70px 1fr; gap: 30px; border-bottom: 1px solid var(--border); }
.project-index { color: var(--muted); font-family: var(--serif); font-size: 18px; }
.project-meta { margin-bottom: 8px; color: var(--blue); font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.project-detail h2 { margin-bottom: 18px; font-size: 29px; line-height: 1.25; }
.project-detail-main > p:not(.project-meta), .project-detail-main > div > p:not(.project-meta) { max-width: 760px; color: var(--muted); }
.with-media { display: grid; grid-template-columns: 1fr 360px; gap: 45px; align-items: start; }
.with-media video { width: 100%; max-height: 270px; background: #121212; object-fit: contain; }
.project-media-figure { margin: 0; }
.project-media-figure img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: var(--soft); border: 1px solid var(--border); }
.project-media-figure figcaption, .media-gallery figcaption { margin-top: 7px; color: var(--muted); font-size: 11px; }
.zeiss-work-grid { margin: 10px 0 32px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 35px; }
.zeiss-work-grid > div { padding-top: 16px; border-top: 2px solid var(--blue); }
.zeiss-work-grid h3 { margin-bottom: 8px; font-family: var(--serif); font-size: 18px; }
.zeiss-work-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.media-gallery { margin: 0 0 22px; display: grid; gap: 14px; }
.media-gallery-three { grid-template-columns: 1.2fr 1.2fr .7fr; }
.media-gallery figure { min-width: 0; margin: 0; }
.media-gallery img { width: 100%; height: 245px; object-fit: contain; background: #eef1f3; border: 1px solid var(--border); }
.archive-section { margin-top: 40px; }
.archive-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 45px 28px; }
.archive-grid img { width: 100%; aspect-ratio: 4 / 3; margin-bottom: 16px; object-fit: cover; background: var(--soft); border: 1px solid var(--border); }
.archive-grid h3 { margin-bottom: 7px; font-size: 16px; }
.archive-grid p { margin-bottom: 8px; color: var(--muted); font-size: 13px; }
.archive-grid a { font-size: 12px; font-weight: 600; }

.full-publication-list { border-top: 1px solid var(--border); }
.full-publication-list > article { padding: 48px 0; display: grid; grid-template-columns: 100px 1fr; gap: 40px; border-bottom: 1px solid var(--border); }
.publication-year { color: var(--muted); font-family: var(--serif); font-size: 24px; }
.publication-content h2 { max-width: 780px; margin-bottom: 12px; font-size: 27px; line-height: 1.35; }
.publication-content .authors { color: var(--text); font-size: 14px; }
.publication-content > p:not(.venue, .authors, .award) { max-width: 760px; color: var(--muted); }
.publication-content .award { display: inline-block; padding: 5px 9px; color: var(--blue-dark); background: #edf4f9; border-radius: 3px; font-size: 12px; font-weight: 600; }
.publication-figure { max-width: 560px; margin: 28px 0; }
.publication-figure img { width: 100%; border: 1px solid var(--border); }
.publication-figure figcaption { margin-top: 7px; color: var(--muted); font-size: 12px; }

.site-footer { margin-top: 30px; border-top: 1px solid var(--border); }
.site-footer .container { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.site-footer p { margin: 0; color: var(--muted); font-size: 12px; }

@media (max-width: 820px) {
  .profile { grid-template-columns: 1fr 300px; gap: 45px; }
  .two-column { grid-template-columns: 155px 1fr; gap: 35px; }
  .with-media { grid-template-columns: 1fr; }
  .media-gallery-three { grid-template-columns: repeat(2, 1fr); }
  .media-gallery-three figure:last-child { grid-column: 1 / -1; }
  .archive-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  body { overflow-x: hidden; font-size: 15px; }
  .container { width: calc(100% - 32px); }
  .site-header { position: sticky; top: 0; z-index: 50; }
  .nav-wrap { min-height: 62px; flex-wrap: wrap; gap: 0; }
  .menu-button { min-width: 58px; min-height: 40px; display: block; cursor: pointer; }
  .site-nav { width: 100%; padding: 0 0 14px; display: none; align-items: stretch; flex-direction: column; gap: 0; }
  .site-nav.open { display: flex; }
  .site-nav a { min-height: 44px; padding: 10px 0; display: flex; align-items: center; border-bottom: 1px solid var(--border); }
  .profile { padding: 38px 0 48px; grid-template-columns: 1fr; gap: 30px; }
  .profile-copy { grid-row: 1; }
  .profile h1 { font-size: 46px; }
  .role { margin-bottom: 20px; font-size: 17px; }
  .profile-copy > p:not(.kicker, .role) { margin-bottom: 14px; }
  .profile-links { margin-top: 22px; gap: 14px 22px; }
  .email-options { flex-basis: 100%; flex-wrap: wrap; }
  .email-options button { min-height: 34px; padding-inline: 10px; }
  .profile-photo { width: 100%; max-width: 380px; grid-row: 2; }
  .profile-photo figcaption { text-align: left; }
  .current-work { grid-template-columns: 1fr; gap: 8px; margin-bottom: 48px; padding: 16px 18px; }
  .content-section { padding: 46px 0; }
  .two-column { grid-template-columns: 1fr; gap: 24px; }
  .section-heading h2, .section-intro h2 { font-size: 26px; }
  .news-list li { padding-bottom: 22px; grid-template-columns: 1fr; gap: 2px; }
  .interest-grid { grid-template-columns: 1fr; gap: 30px; }
  .section-intro-link { align-items: start; flex-direction: column; }
  .timeline-item { padding-bottom: 28px; margin-bottom: 28px; grid-template-columns: 1fr; gap: 8px; }
  .project-entry { grid-template-columns: 1fr; gap: 8px; }
  .visual-project-grid { grid-template-columns: 1fr; gap: 42px; }
  .visual-project-wide { grid-column: auto; }
  .media-comparison { grid-template-columns: 1fr; }
  .media-comparison figure + figure { border-left: 0; border-top: 1px solid var(--border); }
  .media-comparison img, .visual-project-media > img, .visual-project-media > video { width: 100%; height: auto; max-height: 420px; object-fit: contain; }
  .zeiss-work-grid { grid-template-columns: 1fr; }
  .media-gallery-three { grid-template-columns: 1fr; }
  .media-gallery-three figure:last-child { grid-column: auto; }
  .media-gallery img { height: auto; max-height: 430px; }
  .education-list article { grid-template-columns: 1fr; gap: 5px; }
  .page-header { padding-block: 42px; }
  .page-header h1 { font-size: 44px; }
  .page-header > p:last-child { font-size: 16px; }
  .project-detail { padding: 38px 0; grid-template-columns: 1fr; gap: 8px; }
  .project-detail h2 { font-size: 25px; }
  .with-media { gap: 28px; }
  .with-media video { width: 100%; max-height: none; }
  .archive-grid { grid-template-columns: 1fr; }
  .full-publication-list > article { grid-template-columns: 1fr; gap: 10px; }
  .publication-content h2 { font-size: 23px; }
  .site-footer .container { padding-block: 25px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }