:root {
  --ink: #202020;
  --muted: #626262;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --line: #dedbd4;
  --orange: #b14800;
  --orange-dark: #803400;
  --warm: #f3eee7;
  --max-width: 1120px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", Helvetica, Arial, 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: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--orange-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--orange-dark);
  outline-offset: 4px;
}

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

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  color: #fff;
  background: var(--orange-dark);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  border-top: 5px solid var(--orange);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.97);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem 1.1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.identity {
  color: var(--ink);
  text-decoration: none;
}

.identity-name {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.15;
}

.identity-role {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.015em;
}

.site-nav ul {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.2rem 1.25rem;
  list-style: none;
}

.site-nav a {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--orange-dark);
}

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.45rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.75rem 1.5rem 4.5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.7fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--orange-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: #181818;
  font-family: var(--serif);
  line-height: 1.2;
}

h1 {
  max-width: 18ch;
  margin: 0 0 1.4rem;
  font-size: clamp(2.35rem, 5vw, 3.75rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.page-intro h1 {
  max-width: 22ch;
  font-size: clamp(2.3rem, 4.2vw, 3.3rem);
}

h2 {
  margin: 0 0 1.2rem;
  font-size: clamp(1.65rem, 2.6vw, 2.1rem);
  font-weight: 600;
}

h3 {
  margin: 0 0 0.55rem;
  font-size: 1.25rem;
}

p {
  margin: 0 0 1.15rem;
}

.lede {
  max-width: 68ch;
  color: #373737;
  font-family: var(--serif);
  font-size: clamp(1.16rem, 2vw, 1.38rem);
  line-height: 1.58;
}

.hero-copy .lede {
  max-width: 62ch;
}

.hero-photo {
  margin: 0;
}

.hero-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: 0 10px 28px rgba(32, 32, 32, 0.1);
}

.actions {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-block;
  padding: 0.68rem 1rem;
  border: 1px solid var(--orange-dark);
  border-radius: 2px;
  color: #fff;
  background: var(--orange-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  color: #fff;
  background: var(--orange);
}

.button.secondary {
  color: var(--orange-dark);
  background: transparent;
}

.button.secondary:hover {
  color: #fff;
  background: var(--orange-dark);
}

.section {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(170px, 0.5fr) minmax(0, 1.5fr);
  gap: 2rem 4rem;
  align-items: start;
}

.section-heading > p {
  max-width: 70ch;
  color: var(--muted);
}

.card-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.card .meta,
.publication .meta,
.timeline .meta {
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card p:last-child,
.publication p:last-child {
  margin-bottom: 0;
}

.text-link {
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 3rem 5rem;
  align-items: start;
}

.aside-box {
  padding: 1.5rem;
  border-left: 4px solid var(--orange);
  background: var(--warm);
}

.aside-box h2,
.aside-box h3 {
  font-size: 1.25rem;
}

.aside-box p:last-child,
.aside-box ul:last-child {
  margin-bottom: 0;
}

.plain-list {
  padding-left: 1.2rem;
}

.plain-list li + li {
  margin-top: 0.55rem;
}

.page-intro {
  max-width: 850px;
  margin-bottom: 3.75rem;
}

.research-intro {
  margin-bottom: 4.5rem;
}

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

.research-themes {
  gap: 2.5rem 4rem;
}

.theme {
  position: relative;
  padding: 1.8rem 0 1rem;
  border-top: 1px solid var(--line);
}

.theme::before {
  position: absolute;
  top: -2px;
  left: 0;
  width: 3.5rem;
  height: 3px;
  background: var(--orange);
  content: "";
}

.lecturer-feature {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  gap: 2rem 5rem;
  padding: 2.75rem;
  border-top: 4px solid var(--orange);
  background: var(--warm);
}

.lecturer-feature h2 {
  margin-bottom: 0;
}

.lecturer-feature p:last-child {
  margin-bottom: 0;
}

.publication-list {
  border-top: 1px solid var(--line);
}

.publication {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}

.publication h2,
.publication h3 {
  font-size: 1.18rem;
}

.publication-year {
  padding-top: 0.15rem;
  color: var(--orange-dark);
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 700;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  font-size: 0.92rem;
}

.link-row a {
  font-weight: 700;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.timeline li {
  display: grid;
  grid-template-columns: 8.2rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.timeline strong {
  font-family: var(--serif);
}

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

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner p {
  margin: 0;
}

@media (max-width: 820px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .site-nav ul {
    justify-content: flex-start;
  }

  main {
    padding-top: 3rem;
  }

  .hero,
  .split,
  .section-heading,
  .lecturer-feature {
    grid-template-columns: 1fr;
  }

  .lecturer-feature {
    padding: 2rem;
  }

  .hero-photo {
    max-width: 440px;
    order: -1;
  }

  .hero-photo img {
    aspect-ratio: 4 / 3;
  }

  .card-grid,
  .theme-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .header-inner,
  main,
  .footer-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .site-nav ul {
    gap: 0.5rem 1rem;
  }

  .site-nav a {
    font-size: 0.88rem;
  }

  h1 {
    font-size: 2.45rem;
  }

  .section {
    margin-top: 3.75rem;
    padding-top: 2.5rem;
  }

  .page-intro {
    margin-bottom: 3.25rem;
  }

  .research-intro {
    margin-bottom: 3.75rem;
  }

  .publication,
  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .publication-year {
    font-size: 1rem;
  }
}

@media print {
  .site-header,
  .site-footer,
  .actions,
  .skip-link {
    display: none;
  }

  body {
    background: #fff;
  }

  main {
    max-width: none;
    padding: 0;
  }
}