:root {
  --navy: #0c2b45;
  --navy-deep: #071d2f;
  --blue: #176287;
  --green: #477a65;
  --ink: #17212a;
  --muted: #5c6872;
  --line: #d9e0e5;
  --surface: #f4f7f8;
  --white: #ffffff;
  --max-width: 1180px;
  --shadow: 0 18px 48px rgba(12, 43, 69, 0.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--max-width)); margin-inline: auto; }
.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; left: 18px; top: -60px; z-index: 999; padding: 10px 14px; background: var(--white); color: var(--navy); border: 1px solid var(--line); }
.skip-link:focus { top: 18px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 720; letter-spacing: -.01em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 5px; color: var(--white); background: var(--navy); font-size: 12px; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { color: #33434f; text-decoration: none; font-size: 14px; font-weight: 650; }
.site-nav a:hover { color: var(--blue); }
.site-nav .nav-contact { padding: 9px 15px; color: var(--white); background: var(--navy); border-radius: 4px; }
.menu-button { display: none; width: 42px; height: 40px; border: 1px solid var(--line); background: var(--white); border-radius: 4px; padding: 9px; }
.menu-button span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--navy); }

.hero { padding: 92px 0 82px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #fbfcfd 0%, #ffffff 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(310px, .6fr); gap: 80px; align-items: center; }
.overline { margin: 0 0 18px; color: var(--green); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { max-width: 820px; margin: 0; color: var(--navy-deep); font-family: Georgia, "Times New Roman", serif; font-size: clamp(46px, 6vw, 76px); line-height: 1.08; letter-spacing: -.035em; font-weight: 650; }
.hero-intro { max-width: 790px; margin: 28px 0 0; color: #42515c; font-size: 20px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px; border: 1px solid var(--navy); border-radius: 4px; text-decoration: none; font-size: 14px; font-weight: 750; }
.button.primary { color: var(--white); background: var(--navy); }
.button.primary:hover { background: var(--navy-deep); }
.button.secondary { color: var(--navy); background: var(--white); }
.button.secondary:hover { background: var(--surface); }
.profile-card { padding: 32px; border: 1px solid var(--line); border-top: 4px solid var(--green); background: var(--white); box-shadow: var(--shadow); }
.profile-monogram { display: grid; place-items: center; width: 68px; height: 68px; margin-bottom: 22px; color: var(--white); background: var(--navy); border-radius: 50%; font-weight: 800; letter-spacing: .08em; }
.profile-card h2 { margin: 0; color: var(--navy-deep); font-size: 23px; line-height: 1.25; }
.profile-card > p { margin: 12px 0 20px; color: var(--muted); }
.profile-card dl { margin: 0; border-top: 1px solid var(--line); }
.profile-card dl div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.profile-card dt { color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.profile-card dd { margin: 3px 0 0; color: var(--ink); font-size: 14px; }
.profile-card .availability { margin: 18px 0 0; color: var(--green); font-size: 13px; font-weight: 700; }

.section { padding: 92px 0; }
.section-muted { background: var(--surface); }
.section-heading { max-width: 780px; margin-bottom: 46px; }
.section-heading h2 { margin: 0; color: var(--navy-deep); font-family: Georgia, "Times New Roman", serif; font-size: clamp(34px, 4vw, 50px); line-height: 1.16; letter-spacing: -.025em; }
.section-heading > p:last-child { margin: 20px 0 0; color: var(--muted); font-size: 18px; }
.split-heading { display: grid; grid-template-columns: 1.1fr .9fr; max-width: none; gap: 80px; align-items: end; }
.split-heading > p { margin: 0 0 6px !important; }
.compact-heading { margin-bottom: 34px; }
.focus-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.focus-card { min-height: 265px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.card-number { display: block; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.focus-card h3 { margin: 44px 0 14px; color: var(--navy); font-size: 21px; line-height: 1.3; }
.focus-card p { margin: 0; color: var(--muted); font-size: 15px; }

.work-list { border-top: 1px solid #cad4db; }
.work-item { display: grid; grid-template-columns: 160px minmax(250px, .8fr) 1.2fr; gap: 34px; padding: 30px 0; border-bottom: 1px solid #cad4db; align-items: baseline; }
.work-item p { margin: 0; color: var(--muted); }
.work-item h3 { margin: 0; color: var(--navy); font-size: 21px; line-height: 1.35; }
.work-item .work-area { color: var(--green); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .09em; }

.credentials-section { padding-top: 0; }
.credentials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.credential-card { padding: 28px; border: 1px solid var(--line); border-left: 4px solid var(--green); }
.credential-type { margin: 0 0 10px; color: var(--green); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.credential-card h3 { margin: 0 0 18px; color: var(--navy); }
.credential-card dl { margin: 0 0 16px; }
.credential-card dl div { display: grid; grid-template-columns: 110px 1fr; padding: 6px 0; }
.credential-card dt { color: var(--muted); }
.credential-card dd { margin: 0; font-weight: 650; }
.credential-note { max-width: 720px; margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.credential-card a { color: var(--blue); font-weight: 700; }

.subsection-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.subsection-heading h3 { margin: 0; color: var(--navy); font-size: 25px; }
.subsection-heading p { margin: 0; color: var(--muted); }
.poster-grid { display: grid; gap: 24px; }
.poster-card { display: grid; grid-template-columns: minmax(280px, .72fr) 1.28fr; border: 1px solid var(--line); background: var(--white); box-shadow: 0 12px 34px rgba(12,43,69,.06); }
.poster-image { display: block; min-height: 360px; padding: 18px; background: #e8edf0; overflow: hidden; }
.poster-image img { width: 100%; height: 100%; object-fit: contain; object-position: top center; border: 1px solid #cbd3d8; background: var(--white); }
.poster-content { padding: 38px; align-self: center; }
.poster-meta, .publication-type { margin: 0 0 12px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .075em; text-transform: uppercase; }
.poster-content h3 { margin: 0; color: var(--navy-deep); font-size: 28px; line-height: 1.3; }
.poster-content > p:not(.poster-meta):not(.authors) { color: var(--muted); }
.authors { color: #4b5964; font-size: 13px; }
.inline-links { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 22px; }
.inline-links a { color: var(--blue); font-size: 14px; font-weight: 750; }
.contribution-heading { margin-top: 52px; }
.contribution-list, .publication-list { border-top: 1px solid var(--line); }
.contribution-item, .publication-item { display: grid; grid-template-columns: 72px 1fr 28px; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: start; }
.contribution-item > span, .publication-item > span { color: var(--green); font-size: 13px; font-weight: 800; }
.contribution-item h4, .publication-item h4 { margin: 0; color: var(--navy); font-size: 17px; line-height: 1.45; }
.contribution-item p, .publication-item p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.contribution-item > a, .publication-item > a { color: var(--blue); text-decoration: none; font-size: 20px; }
.publication-disclosure { margin-top: 34px; border: 1px solid var(--line); }
.publication-disclosure summary { padding: 17px 20px; color: var(--navy); cursor: pointer; font-weight: 750; background: var(--surface); }
.publication-disclosure .publication-list { margin: 0 20px 20px; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.project-card { padding: 28px; border: 1px solid #ced8de; background: var(--white); }
.project-card h3 { margin: 0; color: var(--navy); font-size: 20px; }
.project-card p { color: var(--muted); font-size: 15px; }
.project-card ul { display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: 22px 0; list-style: none; }
.project-card li { padding: 5px 9px; color: #43545f; background: var(--surface); border: 1px solid var(--line); border-radius: 3px; font-size: 12px; }
.project-card a { color: var(--blue); font-size: 14px; font-weight: 750; }

.background-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.timeline-item > p { margin: 3px 0 0; color: var(--green); font-size: 13px; font-weight: 800; }
.timeline-item h3 { margin: 0; color: var(--navy); font-size: 20px; }
.timeline-item h4 { margin: 4px 0 8px; color: #43515b; font-size: 15px; }
.timeline-item div p { margin: 0; color: var(--muted); font-size: 14px; }
.skills-panel { padding: 32px; background: var(--navy-deep); color: var(--white); }
.skills-panel > h3 { margin: 0 0 26px; font-family: Georgia, "Times New Roman", serif; font-size: 28px; }
.skill-group { padding: 18px 0; border-top: 1px solid rgba(255,255,255,.18); }
.skill-group h4 { margin: 0 0 11px; color: #b8d6ca; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.skill-group ul { display: flex; flex-wrap: wrap; gap: 8px 16px; padding: 0; margin: 0; list-style: none; }
.skill-group li { color: #e7eef2; font-size: 14px; }

.contact-section { padding: 76px 0; color: var(--white); background: var(--navy-deep); }
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 90px; align-items: center; }
.overline.light { color: #a9d0bf; }
.contact-section h2 { max-width: 720px; margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(34px, 4.5vw, 54px); line-height: 1.16; }
.contact-section p { color: #c5d0d8; }
.contact-links { border-top: 1px solid rgba(255,255,255,.25); }
.contact-links a { display: flex; justify-content: space-between; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.25); color: var(--white); text-decoration: none; font-weight: 700; }
.contact-links a:hover { color: #b8d6ca; }
.site-footer { padding: 22px 0; background: #061521; color: #aebac2; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
.footer-inner p { margin: 0; font-size: 13px; }
.noscript, .data-error { padding: 14px; color: #7c1c1c; background: #ffe9e9; text-align: center; font-weight: 700; }

@media (max-width: 980px) {
  .hero-grid, .background-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding-top: 68px; }
  .profile-card { max-width: 620px; }
  .focus-grid { grid-template-columns: repeat(2, 1fr); }
  .split-heading { grid-template-columns: 1fr; gap: 18px; }
  .work-item { grid-template-columns: 110px 1fr; }
  .work-item > p:last-child { grid-column: 2; }
  .poster-card { grid-template-columns: .85fr 1.15fr; }
  .project-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--max-width)); }
  .menu-button { display: block; }
  .site-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; padding: 16px 20px 22px; background: var(--white); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 11px 0; }
  .site-nav .nav-contact { margin-top: 8px; text-align: center; }
  .hero h1 { font-size: 46px; }
  .hero-intro { font-size: 18px; }
  .section { padding: 70px 0; }
  .focus-grid, .project-grid, .credentials-grid { grid-template-columns: 1fr; }
  .focus-card { min-height: auto; }
  .focus-card h3 { margin-top: 22px; }
  .work-item { grid-template-columns: 1fr; gap: 8px; }
  .work-item > p:last-child { grid-column: auto; }
  .poster-card { grid-template-columns: 1fr; }
  .poster-image { min-height: 420px; }
  .poster-content { padding: 26px; }
  .subsection-heading { display: block; }
  .subsection-heading p { margin-top: 7px; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; }
  .contact-grid { gap: 38px; }
  .footer-inner { display: block; }
  .footer-inner p + p { margin-top: 5px; }
}

@media print {
  .site-header, .hero-actions, .contact-section, .site-footer, .menu-button { display: none !important; }
  .hero, .section { padding: 34px 0; }
  .hero-grid, .background-grid { grid-template-columns: 1fr; }
  .profile-card, .poster-card, .project-card { box-shadow: none; }
  .publication-disclosure > * { display: block; }
}