:root {
  --text: #1d252d;
  --muted: #596672;
  --border: #d8dee4;
  --surface: #f6f8fa;
  --surface-strong: #eef3f5;
  --accent: #1e5c70;
  --accent-dark: #174657;
  --paper: #ffffff;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.62;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--accent-dark);
}

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.5rem 0.75rem;
  background: var(--text);
  color: #fff;
}

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

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.98);
  position: sticky;
  top: 0;
  z-index: 4;
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 1rem;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.94rem;
}

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

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 3.5rem;
  align-items: start;
  padding-top: 4rem;
}

.intro-text {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.35rem, 7vw, 4.2rem);
  font-weight: 700;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.62rem;
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  color: #2f3b45;
  font-size: 1.14rem;
}

.muted,
.section-heading p {
  color: var(--muted);
}

.link-row,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 1.25rem;
  align-items: center;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.95rem;
}

.link-row a,
.contact-actions a,
.email-button {
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
}

.email-button {
  padding: 0;
  color: var(--accent);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.email-button:hover,
.email-button:focus-visible {
  color: var(--accent-dark);
}

.revealed-email {
  overflow-wrap: anywhere;
}

.photo-panel {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.75rem;
}

.photo-panel img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 78%;
  border: 1px solid var(--border);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 1.6rem;
}

.featured-projects,
.category-grid,
.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.research-focus {
  padding-top: 2.75rem;
  padding-bottom: 2.75rem;
}

.focus-grid article {
  border-top: 3px solid var(--border);
  padding-top: 1rem;
}

.project-card {
  min-width: 0;
  border: 1px solid var(--border);
  background: #fff;
}

.project-card-large {
  display: grid;
  grid-template-rows: auto 1fr;
}

.project-media,
.detail-media {
  display: block;
  background: var(--surface-strong);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.project-media img,
.detail-media img {
  display: block;
  width: 100%;
  height: 245px;
  object-fit: cover;
  object-position: center;
}

.project-body {
  padding: 1.15rem;
}

.project-label,
.date,
.pub-meta {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.88rem;
}

.project-label {
  margin-bottom: 0.4rem;
  font-weight: 700;
  text-transform: uppercase;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 3rem;
}

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

.simple-list article {
  padding-bottom: 1.15rem;
  border-bottom: 1px solid #e7ebef;
}

.simple-list article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.category-grid > section {
  border-top: 3px solid var(--border);
  padding-top: 1rem;
}

.compact-list {
  margin: 0;
  padding-left: 1.2rem;
}

.compact-list li {
  margin-bottom: 0.55rem;
}

.page-title {
  padding-top: 3.75rem;
  padding-bottom: 2.5rem;
}

.project-list {
  display: grid;
  gap: 2rem;
}

.project-detail {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
  gap: 1.6rem;
  align-items: start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.project-detail:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.project-detail .detail-media {
  border: 1px solid var(--border);
}

.project-detail .detail-media img {
  height: 280px;
}

.project-link {
  margin-top: 1rem;
  font-family: Arial, Helvetica, sans-serif;
}

.publication-list {
  margin: 0;
  padding-left: 1.35rem;
}

.publication-list li {
  margin-bottom: 1.15rem;
  padding-left: 0.35rem;
}

.pub-title {
  display: block;
  font-weight: 700;
}

.pub-meta {
  display: inline;
  margin-right: 0.5rem;
}

.contact {
  background: var(--surface);
  max-width: none;
  padding-left: max(1.25rem, calc((100vw - var(--max-width)) / 2 + 1.25rem));
  padding-right: max(1.25rem, calc((100vw - var(--max-width)) / 2 + 1.25rem));
}

.contact > * {
  max-width: 780px;
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.88rem;
}

@media (max-width: 860px) {
  .intro,
  .featured-projects,
  .split-section,
  .category-grid,
  .focus-grid,
  .project-detail {
    grid-template-columns: 1fr;
  }

  .photo-panel {
    max-width: 360px;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 16px;
  }

  .site-header {
    position: static;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.45rem;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .intro {
    gap: 1.5rem;
    padding-top: 3rem;
  }

  .section {
    padding-top: 2.4rem;
    padding-bottom: 2.4rem;
  }

  .project-media img,
  .detail-media img,
  .project-detail .detail-media img {
    height: 210px;
  }
}