:root {
  --bg: #f8faf9;
  --surface: #fff;
  --text: #243240;
  --heading: #172532;
  --muted: #63717b;
  --accent: #21617a;
  --accent-hover: #12455d;
  --line: #dce4e7;
  --line-light: #e9eeef;
  --max-width: 930px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 15.5px;
  line-height: 1.77;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-color: #91b2bf; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); text-decoration-color: currentColor; }
a:focus-visible { outline: 3px solid #7db9d1; outline-offset: 4px; border-radius: 2px; }
strong { color: #243a48; font-weight: 650; }
.page-shell { max-width: var(--max-width); margin: 0 auto; padding: 0 34px; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 100; padding: 10px 18px; background: #fff; }
.skip-link:focus { top: 12px; }

.topbar {
  min-height: 81px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.wordmark { text-decoration: none; color: var(--heading); font-size: 19px; font-weight: 750; letter-spacing: -.06em; line-height: 1; }
.wordmark-dot, .title-period { color: var(--accent); }
.primary-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 9px 26px; }
.primary-nav a { color: #586873; font-size: 13.5px; font-weight: 550; text-decoration: none; transition: color .18s; }
.primary-nav a:hover, .primary-nav a.active { color: var(--accent); }

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 202px;
  gap: 50px;
  align-items: center;
  padding: 65px 0 61px;
  border-bottom: 1px solid var(--line);
}
.eyebrow { margin: 0 0 13px; display: flex; align-items: center; gap: 9px; color: var(--accent); font-size: 11.6px; font-weight: 720; letter-spacing: .115em; text-transform: uppercase; }
.eyebrow-mark { display: inline-block; background: #57a09e; width: 7px; height: 7px; border-radius: 50%; }
h1, h2, h3, p, figure { margin-top: 0; }
h1 { font-size: clamp(43px, 6vw, 58px); line-height: 1.16; letter-spacing: -.053em; color: var(--heading); font-weight: 740; margin-bottom: 14px; }
.intro-subtitle { color: #3b5261; font-size: 14.2px; font-weight: 620; line-height: 1.8; margin-bottom: 14px; }
.intro-subtitle span { color: #a3b3bb; padding: 0 4px; }
.intro-summary { color: #65747d; max-width: 590px; font-size: 15px; line-height: 1.75; margin-bottom: 24px; }
.profile-links { display: flex; gap: 11px 23px; flex-wrap: wrap; }
.profile-links a { font-size: 13.9px; font-weight: 620; text-decoration: none; border-bottom: 1px solid #aec3ca; padding-bottom: 2px; }
.profile-links a:hover { border-bottom-color: currentColor; }
.link-note { font-weight: 550; font-size: 10px; border: 1px solid #afc5cb; border-radius: 3px; padding: 2px 4px; margin-left: 2px; vertical-align: 1px; }
.portrait { margin: 0; width: 202px; height: 242px; padding: 6px; background: #fff; border: 1px solid #d6e0e4; border-radius: 9px; box-shadow: 0 9px 24px rgba(23, 37, 50, .06); }
.portrait img { width: 100%; height: 100%; display: block; border-radius: 5px; object-fit: cover; }

.content-section { scroll-margin-top: 28px; padding-top: 54px; }
.section-heading { display: flex; align-items: center; gap: 18px; margin-bottom: 21px; }
h2 { margin: 0; flex: none; font-weight: 700; font-size: 24px; letter-spacing: -.035em; line-height: 1.35; color: var(--heading); }
.section-rule { flex: 1; height: 1px; background: var(--line); }
.prose p { margin: 0 0 15px; }
.prose p:last-child { margin-bottom: 0; }
.research-themes { margin-top: 19px; }
.research-theme { padding: 22px 0 21px; border-top: 1px solid var(--line-light); }
.research-theme:last-child { padding-bottom: 0; }
h3 { color: #243746; font-size: 16.4px; font-weight: 680; letter-spacing: -.01em; line-height: 1.5; margin: 0 0 9px; }
.theme-index { color: var(--accent); font-size: 12px; margin-right: 11px; font-weight: 650; font-variant-numeric: tabular-nums; }
.research-theme p { margin: 0; }
.section-intro { margin-bottom: 16px; color: var(--muted); font-size: 14px; }
.publication-list { padding: 0; margin: 0; list-style: none; }
.publication-list > li { display: grid; grid-template-columns: 55px minmax(0, 1fr); gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line-light); }
.publication-list > li:first-child { border-top: 1px solid var(--line-light); }
.pub-year { color: var(--accent); font-size: 13px; font-weight: 670; font-variant-numeric: tabular-nums; padding-top: 1px; }
.pub-content p { margin: 0; font-size: 13.8px; line-height: 1.55; }
.pub-content .pub-title { color: #273f50; font-size: 14.4px; font-weight: 680; margin-bottom: 3px; }
.pub-content .pub-venue { color: var(--muted); font-size: 12.8px; margin-top: 4px; }

.site-footer { margin-top: 70px; padding: 21px 0 32px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 9px 20px; justify-content: space-between; color: var(--muted); font-size: 12px; }
.site-footer a { color: var(--muted); }
.footer-divider { padding: 0 5px; }

@media (max-width: 700px) {
  .page-shell { padding: 0 22px; }
  .topbar { gap: 10px; min-height: 70px; }
  .primary-nav { justify-content: flex-end; gap: 6px 14px; }
  .primary-nav a { font-size: 12.2px; }
  .intro { grid-template-columns: minmax(0, 1fr) 135px; gap: 22px; padding: 44px 0 48px; }
  .portrait { width: 135px; height: 163px; padding: 4px; }
  h1 { font-size: 43px; }
  .intro-subtitle { font-size: 13px; }
  .intro-summary { font-size: 14px; }
  .content-section { padding-top: 42px; }
}
@media (max-width: 510px) {
  .topbar { align-items: flex-start; padding: 20px 0 15px; }
  .wordmark { padding-top: 3px; }
  .primary-nav { max-width: 295px; }
  .intro { grid-template-columns: minmax(0, 1fr) 103px; gap: 15px; align-items: start; padding-top: 37px; }
  .portrait { width: 103px; height: 127px; margin-top: 26px; }
  .eyebrow { font-size: 10px; letter-spacing: .07em; line-height: 1.3; }
  h1 { font-size: 40px; }
  .intro-subtitle { font-size: 12.4px; }
  .profile-links { gap: 10px 17px; }
  .profile-links a { font-size: 13px; }
  h2 { font-size: 22px; }
  .publication-list > li { grid-template-columns: 42px minmax(0, 1fr); gap: 10px; }
  body { font-size: 14.8px; }
}
@media (max-width: 370px) {
  .intro { grid-template-columns: minmax(0, 1fr); }
  .portrait { display: none; }
  .topbar { flex-direction: column; }
  .primary-nav { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }