@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600&display=swap");

:root {
  --ink: #17202a;
  --navy: #10243f;
  --navy-light: #1b3d66;
  --gold: #b48a42;
  --paper: #fbfcfd;
  --mist: #f1f4f7;
  --line: #d9e0e7;
  --muted: #5d6976;
  --white: #ffffff;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content: min(1160px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 1rem; line-height: 1.7; }
a { color: var(--navy-light); text-underline-offset: 0.2em; }
a:hover { color: #8b642b; }
h1, h2, h3 { margin-top: 0; color: var(--navy); font-family: var(--serif); line-height: 1.12; }
h1 { font-size: clamp(3rem, 7vw, 5.7rem); letter-spacing: -0.045em; }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); letter-spacing: -0.025em; }
h3 { font-size: 1.35rem; }
p { margin-top: 0; }
.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: 1rem; top: -5rem; z-index: 100; padding: 0.7rem 1rem; color: white; background: var(--navy); }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(217, 224, 231, 0.9); background: rgba(251, 252, 253, 0.94); backdrop-filter: blur(12px); }
.header-inner { width: var(--content); min-height: 78px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.site-identity { display: inline-flex; align-items: center; gap: 0.85rem; color: var(--navy); text-decoration: none; line-height: 1.15; }
.site-identity strong, .site-identity small { display: block; }
.site-identity strong { font-family: var(--serif); font-size: 1.05rem; }
.site-identity small { margin-top: 0.15rem; color: var(--muted); font-size: 0.72rem; letter-spacing: 0.09em; text-transform: uppercase; }
.monogram { width: 42px; height: 42px; display: grid; place-items: center; color: white; background: var(--navy); font-family: var(--serif); font-size: 0.85rem; letter-spacing: 0.04em; }
.site-nav { display: flex; align-items: center; gap: 1.65rem; }
.site-nav a { position: relative; color: #34404d; font-size: 0.86rem; font-weight: 600; letter-spacing: 0.025em; text-decoration: none; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: -0.75rem; left: 0; height: 2px; background: var(--gold); transform: scaleX(0); transition: transform 180ms ease; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.site-nav a[aria-current="page"] { color: var(--navy); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 1px solid var(--line); background: white; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--navy); }

.profile-shell { width: var(--content); min-height: calc(100vh - 78px); margin: auto; padding: clamp(4rem, 8vw, 7.5rem) 0; display: grid; grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.7fr); align-items: center; gap: clamp(3rem, 7vw, 7.5rem); }
.profile-card { align-self: stretch; border-top: 4px solid var(--navy); box-shadow: 0 22px 50px rgba(16, 36, 63, 0.1); background: var(--white); }
.portrait-placeholder { aspect-ratio: 4 / 4.5; display: grid; place-content: center; gap: 0.6rem; color: white; background: linear-gradient(145deg, #213f61, #0b1b2f); text-align: center; }
.portrait-placeholder span { font-family: var(--serif); font-size: 4rem; line-height: 1; }
.portrait-placeholder small { color: #bcc8d5; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; }
.profile-photo { width: 100%; aspect-ratio: 4 / 4.5; object-fit: cover; display: block; }
.profile-details { padding: 1.65rem; color: #3f4b58; font-size: 0.9rem; line-height: 1.6; }
.profile-details p { padding-bottom: 1.1rem; margin-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.profile-details address { font-style: normal; }
.profile-links { margin-top: 1.1rem; display: flex; flex-wrap: wrap; gap: 0.45rem 1rem; }
.profile-links a { font-size: 0.82rem; font-weight: 700; }
.eyebrow, .section-number { color: #8b642b; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.profile-intro h1 { margin-bottom: 1.7rem; }
.lead { max-width: 820px; margin-bottom: 1.5rem; color: #344252; font-family: var(--serif); font-size: clamp(1.45rem, 2.5vw, 2rem); line-height: 1.45; }
.profile-intro > p:not(.eyebrow):not(.lead) { max-width: 720px; color: var(--muted); font-size: 1.05rem; }
.actions { margin: 2rem 0 2.5rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0.65rem 1.1rem; border: 1px solid var(--navy); font-size: 0.86rem; font-weight: 700; text-decoration: none; }
.button.primary { color: white; background: var(--navy); }
.button.primary:hover { background: var(--navy-light); }
.button.secondary { color: var(--navy); background: transparent; }
.button.secondary:hover { background: var(--mist); }
.research-interests { padding-top: 1.4rem; border-top: 1px solid var(--line); }
.research-interests h2 { margin-bottom: 0.9rem; font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.13em; text-transform: uppercase; }
.tag-list { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.55rem; list-style: none; }
.tag-list li { padding: 0.35rem 0.7rem; border: 1px solid #cbd4dd; color: #44505c; background: white; font-size: 0.8rem; }

.section { padding: clamp(5rem, 8vw, 8rem) max(24px, calc((100% - 1160px) / 2)); }
.section-tinted { background: var(--mist); }
.section-heading { max-width: 680px; margin-bottom: 3rem; }
.section-heading h2 { margin-bottom: 0.6rem; }
.section-heading > p:last-child { color: var(--muted); }
.section-heading.compact { margin-bottom: 1.8rem; }
.section-heading.compact h2 { font-size: clamp(1.8rem, 3vw, 2.35rem); }
.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #c6d0da; }
.research-grid article { padding: 2.25rem 2.25rem 0 0; }
.research-grid article + article { padding-left: 2.25rem; border-left: 1px solid #c6d0da; }
.research-grid span { color: var(--gold); font-family: var(--serif); font-size: 0.85rem; }
.research-grid h3 { margin: 1.2rem 0 0.8rem; }
.research-grid p { color: var(--muted); }
.two-column { display: grid; grid-template-columns: 1.45fr 0.8fr; gap: clamp(3rem, 8vw, 8rem); }
.publication-list { padding: 0; list-style: none; counter-reset: papers; }
.publication-list li { position: relative; padding: 0 0 1.7rem 2.4rem; margin-bottom: 1.7rem; border-bottom: 1px solid var(--line); counter-increment: papers; }
.publication-list li::before { content: counter(papers, decimal-leading-zero); position: absolute; left: 0; top: 0.15rem; color: var(--gold); font-family: var(--serif); font-size: 0.8rem; }
.publication-list p { margin-bottom: 0.25rem; }
.pub-title { color: var(--navy); font-family: var(--serif); font-size: 1.25rem; font-weight: 600; line-height: 1.35; }
.pub-meta { color: var(--muted); font-size: 0.88rem; }
.text-link { font-weight: 700; text-decoration: none; }
.text-link span { display: inline-block; margin-left: 0.3rem; transition: transform 180ms ease; }
.text-link:hover span { transform: translateX(4px); }
.news-panel { padding-left: 2rem; border-left: 1px solid var(--line); }
.news-list { margin: 0; padding: 0; list-style: none; }
.news-list li { padding: 0 0 1.2rem; margin-bottom: 1.2rem; border-bottom: 1px solid var(--line); }
.news-list time { color: #8b642b; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.news-list p { margin: 0.35rem 0 0; color: #485462; font-size: 0.92rem; }
.site-footer { padding: 2rem max(24px, calc((100% - 1160px) / 2)); display: flex; justify-content: space-between; gap: 1.5rem; color: #d6dee6; background: var(--navy); font-size: 0.82rem; }
.site-footer p { margin: 0; }
.site-footer a { color: white; }

.page-hero { padding: clamp(4.5rem, 8vw, 7.5rem) max(24px, calc((100% - 1160px) / 2)) clamp(3rem, 5vw, 5rem); border-bottom: 1px solid var(--line); background: linear-gradient(120deg, var(--paper) 60%, #eef2f6 60%); }
.page-hero .eyebrow { margin-bottom: 1rem; }
.page-hero h1 { max-width: 850px; margin-bottom: 1rem; font-size: clamp(3.2rem, 7vw, 5.2rem); }
.page-hero > p:last-child { max-width: 720px; margin: 0; color: var(--muted); font-family: var(--serif); font-size: 1.3rem; }
.content-shell { width: var(--content); margin: auto; padding: clamp(4rem, 7vw, 7rem) 0; }
.content-block + .content-block { margin-top: clamp(4.5rem, 8vw, 7.5rem); }
.content-block > header { max-width: 650px; margin-bottom: 2.6rem; }
.content-block > header h2 { margin-bottom: 0.5rem; }
.content-block > header p:last-child { color: var(--muted); }
.timeline { position: relative; margin-left: 0.5rem; padding-left: 2.6rem; border-left: 1px solid #bdc7d2; }
.timeline article { position: relative; display: grid; grid-template-columns: 170px 1fr; gap: 2rem; padding-bottom: 3rem; }
.timeline article:last-child { padding-bottom: 0; }
.timeline article::before { content: ""; position: absolute; left: -2.96rem; top: 0.45rem; width: 10px; height: 10px; border: 3px solid var(--paper); border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
.timeline time { color: #8b642b; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.timeline h3 { margin-bottom: 0.3rem; }
.timeline .institution { color: var(--navy-light); font-weight: 600; }
.timeline p { max-width: 700px; margin-bottom: 0.35rem; color: var(--muted); }
.service-grid, .award-grid, .course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.service-grid article, .award-card, .course-card { padding: 1.8rem; border: 1px solid var(--line); background: white; }
.service-grid h3, .award-card h3, .course-card h3 { margin-bottom: 0.45rem; }
.service-grid p, .award-card p, .course-card p { margin-bottom: 0; color: var(--muted); }
.year-nav { position: sticky; top: 78px; z-index: 10; padding: 0.75rem max(24px, calc((100% - 1160px) / 2)); display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; border-bottom: 1px solid var(--line); background: rgba(251, 252, 253, 0.95); backdrop-filter: blur(10px); }
.year-nav a { font-size: 0.78rem; font-weight: 700; text-decoration: none; }
.publication-year { scroll-margin-top: 145px; }
.publication-year + .publication-year { margin-top: 4rem; }
.year-heading { margin-bottom: 2rem; padding-bottom: 0.7rem; display: flex; align-items: baseline; justify-content: space-between; border-bottom: 2px solid var(--navy); }
.year-heading h2 { margin: 0; font-size: 2.1rem; }
.year-heading span { color: var(--muted); font-size: 0.82rem; }
.publication-list.full li { padding-left: 3.2rem; }
.publication-list.full .pub-title { font-size: 1.32rem; }
.pub-links { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 0.55rem; }
.pub-links a { font-size: 0.78rem; font-weight: 700; text-decoration: none; text-transform: uppercase; letter-spacing: 0.04em; }
.note-box { padding: 1.25rem 1.4rem; border-left: 4px solid var(--gold); color: #495767; background: #f5f7f9; }
.talk-list { margin: 0; padding: 0; list-style: none; }
.talk-list li { display: grid; grid-template-columns: 150px 1fr; gap: 2rem; padding: 1.8rem 0; border-top: 1px solid var(--line); }
.talk-list time { color: #8b642b; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.talk-list h3 { margin-bottom: 0.35rem; }
.talk-list p { margin-bottom: 0.2rem; color: var(--muted); }
.talk-type { display: inline-block; margin-top: 0.6rem; padding: 0.15rem 0.5rem; border: 1px solid #c6d0da; color: #506071; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.course-card { position: relative; padding-top: 4.5rem; }
.course-code { position: absolute; top: 1.5rem; left: 1.8rem; color: #8b642b; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.11em; text-transform: uppercase; }
.course-meta { margin-top: 1.2rem; display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; color: #536170; font-size: 0.8rem; }
.teaching-philosophy { padding: clamp(2rem, 5vw, 4rem); border-left: 5px solid var(--gold); background: var(--navy); }
.teaching-philosophy h2, .teaching-philosophy p { color: white; }
.teaching-philosophy p { max-width: 850px; margin-bottom: 0; font-family: var(--serif); font-size: clamp(1.2rem, 2.3vw, 1.65rem); line-height: 1.55; }
.award-grid { grid-template-columns: repeat(3, 1fr); }
.award-card { position: relative; min-height: 230px; padding-top: 4.3rem; }
.award-card time { position: absolute; top: 1.6rem; left: 1.8rem; color: #8b642b; font-size: 0.8rem; font-weight: 700; }
.award-card.featured { color: white; background: var(--navy); border-color: var(--navy); }
.award-card.featured h3, .award-card.featured p, .award-card.featured time { color: white; }
.award-card .award-body { margin-top: 1rem; font-size: 0.9rem; }
.empty-guidance { padding: 2rem; border: 1px dashed #aeb9c5; color: var(--muted); text-align: center; }

@media (max-width: 900px) {
  :root { --content: min(100% - 32px, 760px); }
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 78px; right: 0; left: 0; display: none; padding: 1rem 24px 1.5rem; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 15px 30px rgba(16, 36, 63, 0.08); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 0.6rem 0; font-size: 1rem; }
  .site-nav a::after { bottom: 0; transform-origin: left; }
  .profile-shell { min-height: 0; grid-template-columns: 220px minmax(0, 1fr); gap: 2.5rem; align-items: start; }
  .research-grid { grid-template-columns: 1fr; }
  .research-grid article, .research-grid article + article { padding: 1.8rem 0; border-left: 0; border-bottom: 1px solid #c6d0da; }
  .two-column { grid-template-columns: 1fr; }
  .news-panel { padding-left: 0; border-left: 0; }
  .award-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 650px) {
  body { font-size: 1rem; }
  .header-inner { min-height: 70px; }
  .site-nav { top: 70px; }
  .profile-shell { padding: 2.75rem 0 4.5rem; grid-template-columns: 1fr; }
  .profile-card { display: grid; grid-template-columns: 130px 1fr; align-self: auto; }
  .portrait-placeholder { aspect-ratio: auto; min-height: 180px; }
  .portrait-placeholder span { font-size: 2.5rem; }
  .profile-details { padding: 1rem; font-size: 0.8rem; }
  .profile-details p { padding-bottom: 0.65rem; margin-bottom: 0.65rem; }
  .profile-links { gap: 0.3rem 0.7rem; }
  .profile-intro h1 { font-size: clamp(3.2rem, 17vw, 4.5rem); }
  .section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
  .site-footer { flex-direction: column; }
  .page-hero { background: var(--paper); }
  .year-nav { top: 70px; }
  .timeline article, .talk-list li { grid-template-columns: 1fr; gap: 0.35rem; }
  .service-grid, .award-grid, .course-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }