:root {
  --navy: #183153;
  --link: #245d97;
  --ink: #23272d;
  --muted: #5e6670;
  --line: #d9dde2;
  --soft: #f7f8fa;
  --white: #ffffff;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content: min(940px, calc(100vw - 48px));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--navy); }
.shell { width: var(--content); 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: 16px; top: -80px; z-index: 999; padding: 8px 13px; background: var(--navy); color: var(--white); }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .98);
}
.header-inner { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { color: var(--navy); font-family: var(--serif); font-size: 1.08rem; font-weight: 700; text-decoration: none; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: #404851; font-size: .79rem; font-weight: 500; text-decoration: none; }
.site-nav a:hover, .site-nav a.active { color: var(--link); text-decoration: underline; }
.site-nav .nav-cta { padding-left: 20px; border-left: 1px solid var(--line); color: var(--link); }
.menu-button { display: none; border: 0; background: transparent; padding: 8px; }
.menu-button span:not(.sr-only) { display: block; width: 22px; height: 2px; margin: 4px 0; background: var(--navy); }

.hero {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  align-items: start;
  gap: 34px;
  padding-block: 54px 48px;
  border-bottom: 1px solid var(--line);
}
.portrait-wrap { width: 118px; }
.portrait-frame { overflow: hidden; border: 1px solid #c8cdd3; background: var(--soft); }
.portrait-frame img { width: 118px; height: 145px; object-fit: cover; object-position: center 31%; }
.hero h1 { margin: -6px 0 0; color: var(--navy); font-family: var(--serif); font-size: clamp(2.35rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.02em; }
.hero h1 span { font-weight: 600; }
.academic-title { margin: 8px 0 0; color: #46515e; font-size: .92rem; font-weight: 600; }
.hero-lede { max-width: 650px; margin: 18px 0 0; color: #3f4750; font-size: .96rem; }
.social-row { display: flex; flex-wrap: wrap; gap: 8px 19px; margin-top: 18px; }
.social-row a, .text-link { font-size: .8rem; font-weight: 600; }

.news-section { display: grid; grid-template-columns: 118px 1fr; gap: 34px; padding-block: 30px; border-bottom: 1px solid var(--line); }
.news-section h2 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: 1.25rem; }
.news-items { display: grid; gap: 5px; }
.news-items p { margin: 0; color: #424a53; font-size: .86rem; }
.news-items time { display: inline-block; width: 43px; color: var(--muted); font-variant-numeric: tabular-nums; }

.section { padding-block: 54px; }
.section-tint, .section-dark { border-block: 1px solid var(--line); background: var(--soft); }
.section-heading { max-width: 720px; margin-bottom: 27px; }
.section-index { margin: 0 0 4px; color: var(--muted); font-size: .69rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.section-heading h2, .contact-section h2 { margin: 0; color: var(--navy); font-family: var(--serif); font-size: 1.82rem; line-height: 1.2; letter-spacing: -.01em; }
.section-heading > p:last-child { max-width: 700px; margin: 11px 0 0; color: var(--muted); }
.heading-row { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 24px; }

.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; padding-top: 23px; border-top: 1px solid var(--navy); }
.focus-card { padding: 0; }
.focus-number { display: none; }
.focus-card h3 { margin: 0 0 7px; color: var(--navy); font-family: var(--serif); font-size: 1.13rem; }
.focus-card p { margin: 0; color: var(--muted); }
.focus-tags { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 11px; }
.focus-tags span { color: var(--link); font-size: .7rem; font-weight: 600; }

.timeline { border-top: 1px solid var(--navy); }
.timeline-item { display: grid; grid-template-columns: 180px 1fr; gap: 32px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.timeline-meta p { margin: 0 0 2px; color: var(--ink); font-size: .78rem; font-weight: 600; }
.timeline-meta span { color: var(--muted); font-size: .73rem; }
.role-type { margin: 0 0 2px; color: var(--muted); font-size: .67rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.timeline-body h3 { margin: 0 0 9px; color: var(--navy); font-family: var(--serif); font-size: 1.27rem; }
.timeline-body ul { margin: 0; padding-left: 18px; color: #414850; }
.timeline-body li + li { margin-top: 4px; }

.publication-list { border-top: 1px solid var(--navy); }
.publication { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.pub-year { color: var(--muted); font-size: .76rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.pub-venue { margin: 0 0 2px; color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .045em; text-transform: uppercase; }
.pub-copy h3 { max-width: 790px; margin: 0; color: var(--navy); font-family: var(--serif); font-size: 1.08rem; line-height: 1.38; }
.pub-copy > p:not(.pub-venue) { margin: 6px 0 0; color: var(--muted); font-size: .76rem; }
.pub-copy a { display: inline-block; margin-top: 5px; font-size: .73rem; font-weight: 600; }
.pub-index { display: none; }
.equal-note { margin: 10px 0 0; color: var(--muted); font-size: .72rem; }

.background-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 52px; }
.section-dark .section-heading h2 { color: var(--navy); }
.section-dark .section-heading > p:last-child { color: var(--muted); }
.background-content { display: grid; gap: 24px; }
.background-block { padding-top: 15px; border-top: 1px solid var(--navy); }
.background-block h3 { margin: 0 0 14px; color: var(--navy); font-family: var(--serif); font-size: 1.05rem; }
.credential + .credential { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.credential p { margin: 0; color: var(--muted); font-size: .76rem; }
.credential p:first-child { display: flex; justify-content: space-between; gap: 16px; color: var(--ink); }
.credential span { color: var(--muted); font-size: .71rem; white-space: nowrap; }
.background-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.background-columns p { margin: 0; color: var(--muted); font-size: .76rem; }
.background-columns p + p { margin-top: 12px; }
.background-columns strong { color: var(--ink); }

.contact-section { padding-block: 50px; }
.contact-section .section-index { margin-bottom: 4px; }
.contact-section h2 { font-size: 1.65rem; }
.contact-section > p:not(.section-index) { margin: 9px 0 12px; color: var(--muted); }
.contact-link { font-size: .88rem; font-weight: 600; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .72rem; }
.footer-inner p { margin: 0; }
.footer-inner div { display: flex; gap: 16px; }
.footer-inner a { font-weight: 600; }
.reveal { opacity: 1; transform: none; }

@media (max-width: 760px) {
  :root { --content: min(100% - 34px, 650px); }
  .menu-button { display: block; cursor: pointer; }
  .site-nav { position: fixed; inset: 58px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 9px 20px 18px; border-bottom: 1px solid var(--line); background: var(--white); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 0; }
  .site-nav .nav-cta { margin-top: 3px; padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .hero { grid-template-columns: 104px 1fr; gap: 25px; padding-block: 42px 38px; }
  .portrait-wrap, .portrait-frame img { width: 104px; }
  .portrait-frame img { height: 128px; }
  .news-section { grid-template-columns: 104px 1fr; gap: 25px; }
  .focus-grid { grid-template-columns: 1fr; gap: 22px; }
  .timeline-item { grid-template-columns: 145px 1fr; gap: 24px; }
  .background-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 540px) {
  :root { --content: calc(100% - 28px); }
  .hero { grid-template-columns: 82px 1fr; gap: 16px; padding-block: 34px 31px; }
  .portrait-wrap, .portrait-frame img { width: 82px; }
  .portrait-frame img { height: 101px; }
  .hero h1 { margin-top: -4px; font-size: 2rem; }
  .academic-title { font-size: .8rem; }
  .hero-lede { grid-column: 1 / -1; }
  .social-row { grid-column: 1 / -1; }
  .news-section { grid-template-columns: 1fr; gap: 9px; }
  .heading-row { align-items: flex-start; flex-direction: column; }
  .timeline-item { grid-template-columns: 1fr; gap: 9px; }
  .publication { grid-template-columns: 42px 1fr; gap: 12px; }
  .background-columns { grid-template-columns: 1fr; }
  .credential p:first-child { display: block; }
  .credential span { display: block; margin-top: 2px; white-space: normal; }
  .footer-inner { padding-block: 18px; align-items: flex-start; flex-direction: column; }
}

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