:root {
  --ink: #102b32;
  --muted: #50686d;
  --paper: #ffffff;
  --white: #ffffff;
  --navy: #073d4c;
  --blue: #0c7182;
  --green: #3e776b;
  --seafoam: #cfe1d6;
  --sand: #e9e1d1;
  --line: rgba(16, 43, 50, .18);
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.65; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--blue); }
img { max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.035em; line-height: 1.05; }
h2 { font-size: clamp(1.9rem, 3.4vw, 3.2rem); }
h3 { line-height: 1.3; }
.wrap { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.section { padding-block: clamp(3.75rem, 7vw, 6.5rem); }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 10; padding: .65rem 1rem; background: white; color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-nav { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: 1.5rem; color: white; border-bottom: 1px solid rgba(255,255,255,.35); }
.site-nav a { text-decoration: none; }
.wordmark { font-family: var(--serif); font-size: 1.3rem; letter-spacing: -.01em; }
.nav-links { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-size: .83rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.nav-links a { padding: .25rem 0; border-bottom: 1px solid transparent; }
.nav-links a[aria-current="page"] { border-bottom-color: currentColor; }
.site-nav a:hover { color: white; opacity: .72; }
.nav-shell { position: sticky; top: 0; z-index: 8; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav-shell .site-nav { color: var(--ink); border-bottom: 0; }
.nav-shell .site-nav a:hover { color: var(--blue); opacity: 1; }

.hero { position: relative; color: var(--ink); background: var(--paper); }
.hero-photo { position: relative; width: 100%; aspect-ratio: 10 / 3; background: var(--navy) url("aerial-nw-2011_7215938434_o.jpg") center 76% / cover no-repeat; }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2,35,47,.2), transparent 60%); pointer-events: none; }
.hero-content { padding-block: clamp(3.25rem, 6vw, 5.5rem); }
.hero h1 { max-width: 780px; margin-bottom: 1.2rem; font-size: clamp(2.8rem, 5.5vw, 5.25rem); color: var(--ink); }
.hero-intro { max-width: 620px; margin-bottom: 1.8rem; font-size: clamp(1rem, 1.6vw, 1.25rem); }
.photo-credit { position: absolute; z-index: 2; right: 1.2rem; bottom: .65rem; color: rgba(255,255,255,.9); font-size: .68rem; text-decoration: none; text-shadow: 0 1px 3px rgba(0,0,0,.65); }
.photo-credit:hover { color: white; }
.eyebrow { margin-bottom: 1.2rem; color: var(--green); font-size: .75rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.light { color: #d3ebe6; }
.button { display: inline-block; padding: .85rem 1.15rem; border: 1px solid currentColor; font-size: .82rem; font-weight: 700; letter-spacing: .04em; text-decoration: none; }
.button-light { color: white; }
.button:hover { color: inherit; background: rgba(255,255,255,.1); }

.intro-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: clamp(3rem, 8vw, 9rem); align-items: start; }
.intro-section h2 { max-width: 680px; margin-bottom: 0; }
.large-prose { font-family: var(--serif); font-size: clamp(1.12rem, 1.7vw, 1.35rem); line-height: 1.6; }
.prose p + p { margin-top: 1.3rem; }
.bio-links { scroll-margin-top: 2rem; font-family: var(--sans); font-size: .92rem; font-weight: 650; }
.bio-links a { color: var(--blue); }

#about, #research, #teaching, #contact { scroll-margin-top: 1rem; }

.research-band, .course-section { background: #e7eee8; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 3rem; margin-bottom: 4rem; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 500px; color: var(--muted); }
.text-link { font-weight: 700; white-space: nowrap; }
.section-actions { max-width: 500px; }
.section-actions p { margin-bottom: .8rem; color: var(--muted); }
.updates-table { border-top: 1px solid var(--line); }
.updates-header, .update-row { display: grid; grid-template-columns: 145px 1fr; gap: 2.5rem; }
.updates-header { padding: .75rem 0; color: var(--green); font-size: .68rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.update-row { padding: 1.45rem 0; border-top: 1px solid var(--line); }
.update-row time { color: var(--muted); font-size: .78rem; font-weight: 700; }
.update-row h3 { margin: .4rem 0 .3rem; font-family: var(--serif); font-size: 1.25rem; font-weight: 500; }
.update-row h3 a { text-decoration-color: rgba(12,113,130,.4); }
.update-row p { margin: 0; color: var(--muted); font-size: .88rem; }
.update-kind { display: inline-block; color: var(--blue); font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.update-kind.talk { color: var(--green); }
.research-list { border-top: 1px solid var(--line); }
.research-list article { display: grid; grid-template-columns: 70px minmax(220px, .75fr) 1fr; gap: 2rem; padding: 2.5rem 0; border-bottom: 1px solid var(--line); }
.research-number, .publication-meta, .course-code, .timeline-date { color: var(--green); font-size: .76rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.research-list h3 { margin: 0; font-family: var(--serif); font-size: 1.5rem; font-weight: 500; }
.research-list p { margin: 0; color: var(--muted); }
.research-topic .update-type { margin-bottom: .55rem; color: var(--green); font-size: .7rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.research-update { display: grid; gap: .75rem; }
.research-update a { color: var(--ink); text-decoration-color: rgba(12,113,130,.4); }
.research-update span { color: var(--green); font-size: .7rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }

.featured-publications { border-top: 1px solid var(--line); }
.publication-feature { display: grid; grid-template-columns: .45fr 1.4fr .7fr; gap: 3rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.publication-feature h3 { margin: 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 500; }
.publication-feature h3 a { text-decoration: none; }
.publication-feature > p:last-child { color: var(--muted); font-size: .9rem; }
.publication-meta { margin: 0; }

.contact-section { padding-block: 4.5rem; color: white; background: var(--navy); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end; }
.contact-grid h2 { margin: 0; color: white; }
.contact-grid > div:last-child { display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.contact-grid p { color: #d0ddde; }
.site-footer { padding-block: 2rem; color: #d0ddde; background: #062f3a; font-size: .8rem; }
.footer-row { display: flex; justify-content: space-between; gap: 2rem; }
.footer-row p { margin: 0; }
.footer-row div { display: flex; gap: 1.5rem; }

.page-header { color: white; background: linear-gradient(120deg, #073d4c, #0b6672); }
.page-header-green { background: linear-gradient(120deg, #244c48, #477b6d); }
.page-header-cv { background: linear-gradient(120deg, #17364a, #3d6471); }
.page-title { padding-block: clamp(3.5rem, 6vw, 5.75rem); }
.page-title h1 { max-width: 900px; margin-bottom: 1.25rem; color: white; font-size: clamp(2.65rem, 5vw, 4.8rem); }
.page-title > p:last-child { max-width: 700px; font-family: var(--serif); font-size: 1.2rem; }
.page-title .button { font-family: var(--sans); font-size: .78rem; }
.research-summary { display: grid; grid-template-columns: 1fr .7fr; gap: 4rem; margin-bottom: 5rem; }
.research-summary h2 { margin: 0; }
.research-summary p { color: var(--muted); }
.record-links { display: flex; flex-wrap: wrap; gap: .7rem 1.4rem; margin-top: 1rem; font-size: .82rem; font-weight: 700; }
.record-nav { position: sticky; top: 82px; z-index: 4; display: flex; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 3rem; padding: .9rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); font-size: .75rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.record-nav a { text-decoration: none; }
.record-nav .scholar-link { margin-left: auto; color: var(--blue); }
.publication-year { display: grid; grid-template-columns: 180px 1fr; gap: 3rem; padding: 3rem 0; border-top: 1px solid var(--line); }
.publication-year > h2 { font-size: 2rem; }
.research-record { counter-reset: publications; }
.publication-list { margin: 0; padding: 0; list-style: none; }
.publication-list li { position: relative; padding: 0 0 1.8rem 3.4rem; counter-increment: publications; }
.publication-list li::before { content: counter(publications, decimal-leading-zero); position: absolute; left: 0; top: .15rem; color: var(--green); font-size: .72rem; font-weight: 750; letter-spacing: .08em; }
.publication-list p { margin: 0; }
.publication-list a { text-decoration-color: rgba(12,113,130,.4); }
.earlier-publications { grid-column: 2; margin: -.25rem 0 0; color: var(--muted); font-size: .92rem; }
.earlier-publications a { color: var(--blue); font-weight: 700; }
.source-note { margin-top: 4rem; padding: 1.5rem 2rem; border-left: 3px solid var(--green); background: #edf1eb; }
.source-note p { margin: 0; }
.record-section { padding-top: 6rem; scroll-margin-top: 7rem; }
.record-section > h2 { margin-bottom: 3rem; }
.record-list { margin: 0; padding: 0; list-style: none; counter-reset: record; border-top: 1px solid var(--line); }
.record-list li { position: relative; padding: 1.4rem 0 1.4rem 3.5rem; border-bottom: 1px solid var(--line); counter-increment: record; }
.record-list li::before { content: counter(record, decimal-leading-zero); position: absolute; left: 0; color: var(--green); font-size: .72rem; font-weight: 750; }
.talk-list { border-top: 1px solid var(--line); }
.talk-list article { display: grid; grid-template-columns: 135px 1fr; gap: 2rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.talk-list time, .talk-list .record-date { color: var(--green); font-size: .72rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.talk-list h3 { margin: 0 0 .25rem; font-family: var(--serif); font-size: 1.18rem; font-weight: 500; }
.talk-list p { margin: 0; color: var(--muted); font-size: .86rem; }
.teaching-record-first { padding-top: 2rem; }

.teaching-intro { display: grid; grid-template-columns: 1fr .8fr; gap: 6rem; align-items: start; }
.teaching-intro h2 { margin: 0; }
.course-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.course-list article { padding: 2rem 2rem 2rem 0; border-bottom: 1px solid var(--line); }
.course-list article:nth-child(even) { padding-left: 2rem; border-left: 1px solid var(--line); }
.course-list h3 { margin-bottom: .5rem; font-family: var(--serif); font-size: 1.55rem; font-weight: 500; }
.course-list p:last-child { margin: 0; color: var(--muted); }
.mentoring-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.mentoring-list li { display: grid; grid-template-columns: minmax(220px, .55fr) 1fr; gap: 2rem; align-items: baseline; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.mentoring-list strong { font-family: var(--serif); font-size: 1.35rem; font-weight: 500; }
.mentoring-list span { color: var(--muted); }

.cv-layout { display: grid; grid-template-columns: 220px 1fr; gap: clamp(3rem, 9vw, 9rem); align-items: start; }
.cv-index { position: sticky; top: 2rem; display: flex; flex-direction: column; gap: .8rem; }
.cv-index a { color: var(--muted); text-decoration: none; }
.cv-index a:hover { color: var(--blue); }
.cv-section { padding-bottom: 6rem; scroll-margin-top: 2rem; }
.cv-section h2 { margin-bottom: 3rem; }
.timeline article { display: grid; grid-template-columns: 130px 1fr; column-gap: 2rem; padding: 1.5rem 0; border-top: 1px solid var(--line); }
.timeline h3 { margin-bottom: .35rem; font-family: var(--serif); font-size: 1.45rem; font-weight: 500; }
.timeline article > p:last-child { grid-column: 2; margin: 0; color: var(--muted); }
.timeline-date { grid-row: 1 / span 2; }
.grant-list article { position: relative; padding: 1.6rem 7rem 1.6rem 0; border-top: 1px solid var(--line); }
.grant-list h3 { margin: .4rem 0 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 500; }
.grant-list p { margin: 0; color: var(--green); font-size: .78rem; font-weight: 700; }
.grant-list span { position: absolute; top: 1.6rem; right: 0; font-family: var(--serif); font-size: 1.2rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.service-grid article { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.service-grid h3 { font-family: var(--serif); font-size: 1.35rem; font-weight: 500; }
.service-grid p { color: var(--muted); }

@media (max-width: 800px) {
  .wrap { width: min(100% - 32px, 1180px); }
  .site-nav { align-items: flex-start; }
  .nav-links { gap: .9rem; font-size: .68rem; }
  .hero-photo { background-position: 58% 76%; }
  .hero h1 { font-size: clamp(2.55rem, 11vw, 4rem); }
  .intro-section, .research-summary, .teaching-intro, .contact-grid, .cv-layout { grid-template-columns: 1fr; gap: 3rem; }
  .section-heading { display: block; }
  .section-heading > p, .section-heading > a { display: block; margin-top: 1.5rem; }
  .section-actions { margin-top: 1.5rem; }
  .updates-header, .update-row { grid-template-columns: 100px 1fr; gap: 1.25rem; }
  .research-list article { grid-template-columns: 44px 1fr; gap: 1rem; }
  .research-update { grid-column: 2; }
  .publication-feature { grid-template-columns: 1fr; gap: .65rem; }
  .contact-grid > div:last-child { display: block; }
  .contact-grid .button { margin-top: 1rem; }
  .publication-year { grid-template-columns: 1fr; gap: 1rem; }
  .earlier-publications { grid-column: 1; }
  .course-list { grid-template-columns: 1fr; }
  .course-list article:nth-child(even) { padding-left: 0; border-left: 0; }
  .cv-index { position: static; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
  .service-grid { grid-template-columns: 1fr; }
  .record-nav { top: 104px; }
}

@media (max-width: 560px) {
  .site-nav { flex-direction: column; gap: .75rem; }
  .nav-links { width: 100%; justify-content: space-between; }
  .photo-credit { left: 1rem; right: auto; }
  .page-title { padding-top: 4rem; }
  .updates-header, .update-row { grid-template-columns: 1fr; gap: .45rem; }
  .updates-header { display: none; }
  .timeline article { grid-template-columns: 1fr; }
  .timeline-date { grid-row: auto; }
  .timeline article > p:last-child { grid-column: 1; }
  .grant-list article { padding-right: 0; }
  .grant-list span { position: static; display: block; margin-top: .75rem; }
  .footer-row { display: block; }
  .footer-row div { margin-top: .8rem; }
  .record-nav { position: static; gap: .7rem 1.2rem; }
  .record-nav .scholar-link { width: 100%; margin-left: 0; }
  .talk-list article { grid-template-columns: 1fr; gap: .35rem; }
  .mentoring-list li { grid-template-columns: 1fr; gap: .2rem; }
}

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