:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --text: #202124;
  --muted: #5f6368;
  --line: #B9D9EB;
  --accent: #1D4F91;
  --accent-soft: rgba(185, 217, 235, 0.22);
  --accent-hover: #123A6F;
  --max: 1120px;
  --measure: 760px;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.65;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.07em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-hover);
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 10;
  transform: translateY(-160%);
  background: var(--text);
  color: var(--surface);
  padding: 0.45rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.2rem 0 0.95rem;
}

.primary-row,
.secondary-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.25rem;
}

.secondary-row {
  margin-top: 0.55rem;
}

.site-name,
.primary-nav,
.secondary-nav,
.site-footer {
  font-family: var(--font-sans);
}

.site-name {
  color: var(--text);
  font-weight: 650;
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav,
.secondary-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
}

.primary-nav a,
.secondary-nav a,
.site-footer a {
  color: var(--text);
  text-decoration: none;
}

.primary-nav a {
  font-size: 0.94rem;
}

.secondary-nav a {
  color: var(--muted);
  font-size: 0.78rem;
}

.primary-nav a[aria-current="page"],
.secondary-nav a[aria-current="page"],
.site-name[aria-current="page"] {
  color: var(--accent);
}

.home-main {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 4.4rem 0 4rem;
}

.home-intro {
  display: grid;
  grid-template-columns: minmax(260px, 380px) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.portrait {
  margin: 0;
}

.portrait img {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
}

.portrait-large img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.intro-copy {
  max-width: var(--measure);
}

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2.35rem, 4vw, 4.3rem);
  margin-bottom: 1.35rem;
}

h2 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  margin-top: 2.9rem;
  margin-bottom: 0.8rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

h3 {
  font-family: var(--font-sans);
  font-size: 0.83rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2rem;
  margin-bottom: 0.6rem;
}

p {
  margin: 0 0 1.05rem;
}

.intro-copy p {
  font-size: 1.04rem;
}

.home-contact {
  max-width: var(--measure);
  margin-top: 3.2rem;
  margin-left: min(420px, 38%);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.home-links {
  max-width: var(--measure);
  margin-top: 3.2rem;
  margin-left: min(420px, 38%);
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

.home-links h2 {
  margin: 0 0 0.9rem;
  padding: 0;
  border-top: 0;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
}

.landing-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2rem;
  row-gap: 0;
}

.landing-link {
  display: grid;
  gap: 0.1rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
}

.landing-link:nth-child(-n + 2) {
  border-top: 0;
}

.landing-link:hover .landing-link-title {
  color: var(--accent);
}

.landing-link-title {
  font-family: var(--font-serif);
  font-size: 1.04rem;
  line-height: 1.35;
  color: var(--text);
}

.landing-link-note {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

.contact-line {
  font-family: var(--font-sans);
  font-size: 0.91rem;
  line-height: 1.55;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.page-main {
  padding: 4rem 0 4.4rem;
}

.content-container {
  width: min(var(--measure), calc(100% - 2rem));
  margin: 0 auto;
}

.research-main .content-container {
  width: min(840px, calc(100% - 2rem));
}

.syllabi-main .content-container {
  width: min(940px, calc(100% - 2rem));
}

.page-heading {
  margin-bottom: 2rem;
}

.page-heading h1 {
  margin-bottom: 0;
}

.page-portrait {
  width: min(320px, 55vw);
  margin: 0 0 2rem;
}

.content-flow p {
  font-size: 1rem;
}

.content-section {
  margin-top: 2.6rem;
}

.content-section:first-child {
  margin-top: 0;
}

.section-heading {
  margin-top: 0;
}

.subsection-heading {
  margin-top: 1.6rem;
}

.lede {
  font-size: 1.05rem;
  line-height: 1.72;
  color: var(--text);
}

.publication-list,
.media-list,
.teaching-list {
  display: grid;
  gap: 0;
}

.publication,
.media-item,
.teaching-item {
  border-top: 1px solid var(--line);
  padding: 0.82rem 0 0.9rem;
}

.publication:first-child,
.media-item:first-child,
.teaching-item:first-child {
  border-top: 0;
}

.publication-entry,
.media-entry,
.teaching-entry {
  margin: 0;
}

.publication-entry {
  font-size: 0.98rem;
  line-height: 1.56;
}

.publication-entry a:first-child {
  font-weight: 650;
  color: var(--text);
}

.publication-entry a:hover:first-child {
  color: var(--accent);
}

.working-paper-list .publication-entry {
  color: var(--text);
}

.media-entry {
  font-size: 0.98rem;
  line-height: 1.55;
}

.news-list {
  display: grid;
  gap: 0;
}

.news-item {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0 1rem;
}

.news-item:first-child {
  border-top: 0;
}

.news-date {
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.4;
}

.news-entry {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
}

.coverage-list {
  display: grid;
  gap: 1.15rem;
}

.media-outlet {
  display: grid;
  grid-template-columns: minmax(8.5rem, 0.38fr) minmax(0, 1fr);
  gap: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.media-outlet:first-child {
  border-top: 0;
  padding-top: 0;
}

.outlet-heading {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  text-transform: none;
}

.outlet-items {
  display: grid;
  gap: 0.38rem;
}

.outlet-items .media-item {
  border-top: 0;
  padding: 0;
}

.outlet-items .media-entry {
  font-size: 0.94rem;
  line-height: 1.48;
}

.outlet-items .media-entry a:first-child {
  font-family: var(--font-sans);
  font-size: 0.88rem;
}

.teaching-section {
  margin-top: 2.2rem;
}

.teaching-section .section-heading {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text);
  padding-top: 1rem;
}

.teaching-entry {
  font-size: 0.98rem;
  line-height: 1.55;
}

.teaching-entry a[href*="drive.google.com"] {
  font-family: var(--font-sans);
  font-size: 0.88rem;
}

.page-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 1.6rem 0 2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 0.82rem;
}

.page-toc a {
  color: var(--muted);
  text-decoration: none;
}

.page-toc a:hover {
  color: var(--accent);
}

.syllabi-region {
  margin-top: 1.5rem;
}

.syllabi-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2rem;
  row-gap: 0.15rem;
}

.syllabus-entry {
  min-width: 0;
}

.syllabi-main .syllabus-item {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  line-height: 1.48;
  margin: 0;
  padding: 0.23rem 0 0.23rem 0.8rem;
  border-left: 1px solid var(--line);
}

.syllabi-main .section-heading {
  margin-bottom: 0.8rem;
}

.biography-section {
  display: grid;
  gap: 0.35rem;
}

.bio-paragraph {
  font-size: 1.02rem;
  line-height: 1.72;
  margin-bottom: 0.9rem;
}

.contact-section {
  margin-top: 2.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.note {
  background: var(--accent-soft);
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.2rem 0 1.4rem;
  font-size: 0.82rem;
}

.footer-inner a {
  color: var(--muted);
}

@media (max-width: 820px) {
  html {
    font-size: 16px;
  }

  .primary-row,
  .secondary-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  .primary-nav,
  .secondary-nav {
    justify-content: flex-start;
  }

  .media-outlet {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .home-main,
  .page-main {
    padding-top: 2.6rem;
  }

  .home-intro {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .portrait-large {
    max-width: 390px;
  }

  .home-contact {
    margin-left: 0;
  }

  .home-links {
    margin-left: 0;
  }
}

@media (max-width: 520px) {
  .header-inner,
  .home-main,
  .content-container,
  .footer-inner {
    width: min(100% - 1.2rem, var(--max));
  }

  .primary-nav,
  .secondary-nav {
    gap: 0.3rem 0.75rem;
  }

  h1 {
    font-size: 2.2rem;
  }

  .publication,
  .media-item,
  .teaching-item {
    padding-top: 0.72rem;
    padding-bottom: 0.78rem;
  }

  .syllabi-main .syllabus-item {
    padding-left: 0.65rem;
  }

  .syllabi-list {
    grid-template-columns: 1fr;
  }

  .page-toc {
    gap: 0.3rem 0.8rem;
  }

  .landing-links {
    grid-template-columns: 1fr;
  }

  .landing-link:nth-child(-n + 2) {
    border-top: 1px solid var(--line);
  }

  .landing-link:first-child {
    border-top: 0;
  }
}