:root {
  --paper: #fbfaf7;
  --ink: #231f20;
  --muted: #6a6461;
  --line: #ded8cf;
  --accent: #b4232b;
  --teal: #1f6f68;
  --gold: #b2842b;
  --white: #ffffff;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.2rem 1.4rem;
}

.brand {
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.88rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.4rem 3rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(250px, 0.65fr);
  gap: clamp(2rem, 7vw, 5rem);
  align-items: end;
  min-height: calc(100vh - 6rem);
  padding: clamp(2rem, 7vw, 5rem) 0 4rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--teal);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: none;
  margin-bottom: 1.1rem;
  font-size: clamp(2.8rem, 5.4vw, 4.8rem);
  font-weight: 400;
  line-height: 1;
}

h2 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.8rem, 3.5vw, 2.9rem);
  font-weight: 400;
  line-height: 1;
}

h3 {
  margin-bottom: 1rem;
  color: var(--teal);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  max-width: 66ch;
  font-size: clamp(1.16rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.hero-copy p:not(.eyebrow) {
  max-width: 68ch;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
  font-family: Arial, Helvetica, sans-serif;
}

.link-row a {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0.54rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
}

.link-row a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.portrait {
  margin: 0;
}

.portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 18px 48px rgba(35, 31, 32, 0.16);
}

.content-section {
  padding: clamp(3rem, 7vw, 5rem) 0;
}

.section-heading {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.research-section {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(1.4rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.research-copy {
  max-width: 72ch;
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
}

.research-copy p:last-child {
  margin-bottom: 0;
}

.publication-group {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(1.4rem, 5vw, 3rem);
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.publication-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding-left: 1.2rem;
}

.publication-list li {
  padding-left: 0.35rem;
}

.publication-list a {
  font-weight: 700;
}

.publication-list span {
  display: block;
  color: var(--muted);
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact address {
  margin-top: 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.95rem;
  font-style: normal;
  line-height: 1.55;
}

.contact a {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
}

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.4rem 2rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
}

@media (max-width: 780px) {
  .site-header,
  .contact {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .research-section,
  .publication-group {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  h1 {
    font-size: clamp(2.5rem, 12vw, 3.8rem);
  }

  .portrait {
    max-width: 24rem;
  }
}

@media (max-width: 460px) {
  .site-header,
  main,
  footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .link-row a {
    width: 100%;
    justify-content: center;
  }
}