:root {
  --bg: #f3f1ea;
  --surface: rgba(255, 252, 246, 0.88);
  --surface-strong: #fffdf8;
  --surface-alt: #ece7dc;
  --text: #17212b;
  --muted: #5e6874;
  --line: rgba(23, 33, 43, 0.12);
  --accent: #284a63;
  --accent-soft: #dce7ef;
  --accent-warm: #866b42;
  --shadow: 0 16px 36px rgba(23, 33, 43, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --navw: 1320px;
  --maxw-narrow: 860px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(40, 74, 99, 0.08), transparent 24rem),
    linear-gradient(180deg, #f8f6f1 0%, var(--bg) 100%);
}

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

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

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}

.site-shell {
  width: min(var(--maxw), calc(100% - 2rem));
  margin: 0 auto;
}

.site-nav-shell {
  width: min(var(--navw), calc(100% - 2rem));
}

.narrow-shell {
  width: min(var(--maxw-narrow), calc(100% - 2rem));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(243, 241, 234, 0.84);
  border-bottom: 1px solid rgba(23, 33, 43, 0.08);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 4.75rem;
  transition: gap 0.24s ease, min-height 0.24s ease, padding 0.24s ease;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--text);
  flex: 0 0 auto;
  transition: opacity 0.22s ease, transform 0.22s ease, max-height 0.24s ease;
}

.brand:hover {
  text-decoration: none;
}

.brand-name {
  font-weight: 700;
  font-size: 1.14rem;
  letter-spacing: 0.02em;
}

.brand-role {
  color: var(--muted);
  font-size: 0.98rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.nav-links a {
  color: var(--text);
  font-size: 0.79rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0 0.12rem 0.25rem;
  border-bottom: 1px solid transparent;
}

.nav-links a.active,
.nav-links a:hover {
  border-color: rgba(40, 74, 99, 0.4);
  text-decoration: none;
}

.hero,
.page-hero {
  padding: 3.5rem 0 1.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(16.5rem, 19rem) minmax(0, 1.32fr);
  gap: 2rem;
  align-items: stretch;
}

.surface,
.profile-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
}

.profile-panel {
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.profile-frame {
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(40, 74, 99, 0.18), rgba(134, 107, 66, 0.12)),
    var(--surface-alt);
  aspect-ratio: 4 / 5;
}

.profile-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.profile-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.96rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-label,
.section-kicker,
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
}

.profile-details h1 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  margin-top: 0.35rem;
}

.profile-role {
  margin-top: 0.55rem;
  color: var(--muted);
}

.profile-email {
  color: var(--muted);
  font-size: 0.95rem;
}

.profile-email a {
  color: var(--accent);
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.94rem;
}

.profile-links a {
  color: var(--accent);
  word-break: break-word;
}

.icon-link,
.icon-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.icon-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  flex: 0 0 1rem;
}

.icon-mark svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.contact-grid {
  display: grid;
  gap: 0.9rem;
}

.contact-grid div {
  display: grid;
  gap: 0.15rem;
}

.contact-grid dt {
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-grid dd {
  margin: 0;
}

.hero-copy {
  display: grid;
  gap: 0;
  padding: 0.25rem 0 0.6rem 3.15rem;
  min-height: 100%;
  align-content: stretch;
  grid-template-rows: auto auto auto 1fr auto;
}

.eyebrow {
  margin-bottom: 1.28rem;
}

.hero-copy h2 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 16ch;
  line-height: 1.04;
  text-wrap: balance;
  margin-bottom: 1.82rem;
}

.hero-intro {
  max-width: 58ch;
  font-size: 1.02rem;
  color: var(--muted);
  margin-bottom: 0.72rem;
}

.hero-intro a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(40, 74, 99, 0.32);
  text-underline-offset: 0.14em;
}

.hero-intro a:hover {
  text-decoration-color: currentColor;
}

.page-title {
  font-size: clamp(1.9rem, 4vw, 2.85rem);
  max-width: 24ch;
  line-height: 1.08;
  text-wrap: balance;
}

.hero-summary,
.page-summary {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-summary {
  margin-bottom: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.72rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.76);
  color: var(--text);
  font-weight: 600;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
  border-color: rgba(40, 74, 99, 0.26);
}

.button-primary {
  background: var(--accent);
  color: #f8fafc;
  border-color: var(--accent);
}

.page-main {
  padding-bottom: 4.5rem;
}

.section-block {
  padding: 1rem 0 1.5rem;
}

.section-block-tight {
  padding-top: 0.3rem;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(18rem, 0.82fr);
  gap: 1.5rem;
  align-items: start;
}

.home-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(18rem, 0.82fr);
  grid-template-areas:
    "research news"
    "publications teaching";
  gap: 1.5rem;
  align-items: stretch;
}

.home-research {
  grid-area: research;
}

.home-news {
  grid-area: news;
}

.home-news .section-heading {
  margin-bottom: 0.95rem;
}

.home-news .news-list {
  gap: 0.48rem;
}

.home-news .news-card {
  padding: 0.38rem 0.82rem 0.62rem;
}

.home-news .news-card p {
  line-height: 1.42;
  margin-top: 0.18rem;
}

.home-news .news-card time {
  font-size: 0.82rem;
  line-height: 1;
}

.home-publications {
  grid-area: publications;
}

.home-publications .section-heading {
  margin-bottom: 0.95rem;
}

.home-publications .publication-list {
  gap: 0.55rem;
}

.home-publications .publication-item {
  padding: 0.78rem 0.9rem;
  gap: 0.14rem;
}

.home-publications .publication-title {
  font-size: 1.02rem;
  line-height: 1.18;
}

.home-publications .publication-authors,
.home-publications .publication-venue,
.home-publications .publication-links {
  font-size: 0.9rem;
}

.home-publications .publication-authors {
  line-height: 1.32;
}

.home-publications .publication-venue {
  line-height: 1.1;
  margin-top: 0.1rem;
  margin-bottom: -0.04rem;
}

.home-publications .publication-links {
  gap: 0.65rem;
  margin-top: 0;
}

.home-teaching {
  grid-area: teaching;
}

.stack-column {
  display: grid;
  gap: 1.5rem;
}

.section-card {
  padding: 1.6rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.section-heading h3,
.prose-card h2 {
  font-size: 1.8rem;
}

.text-link {
  white-space: nowrap;
  font-size: 0.95rem;
}

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

.feature-card,
.topic-item,
.teaching-item,
.publication-item,
.news-card,
.year-block,
.news-list li,
.link-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.feature-card,
.topic-item,
.teaching-item,
.publication-item,
.news-card {
  padding: 1.15rem 1.2rem;
}

.feature-card {
  display: grid;
  align-content: start;
}

.feature-card h4,
.topic-item h3,
.teaching-item h3,
.teaching-item h4,
.publication-title {
  font-size: 1.14rem;
}

.feature-card h4 {
  margin-bottom: 0.3rem;
  min-height: 2.6em;
}

.topic-item h3,
.teaching-item h3,
.teaching-item h4 {
  margin-bottom: 0.72rem;
}

.feature-card p,
.topic-item p,
.teaching-item p,
.publication-authors,
.publication-venue,
.news-list p {
  color: var(--muted);
}

.feature-card p {
  line-height: 1.48;
}

.news-list,
.link-list,
.teaching-list,
.topic-stack,
.publication-list {
  display: grid;
  gap: 1rem;
}

.news-list,
.link-list {
  list-style: none;
}

.news-list li,
.news-card,
.link-list li {
  padding: 1rem 1.05rem;
}

.news-list time,
.item-meta,
.publication-venue {
  color: var(--accent-warm);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.link-list {
  list-style: none;
}

.link-list a {
  color: var(--text);
}

.detail-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.detail-list li + li {
  margin-top: 0.4rem;
}

.prose-card {
  display: grid;
  gap: 1rem;
}

.publication-item {
  display: grid;
  gap: 0.45rem;
}

.publication-title {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-weight: 600;
}

.publication-authors a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(40, 74, 99, 0.28);
  text-underline-offset: 0.14em;
}

.publication-authors a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.author-self {
  color: #47627b;
  font-weight: 600;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  font-size: 0.94rem;
}

.publication-links a {
  color: var(--accent);
}

.publication-list-empty {
  padding: 1rem 0;
  color: var(--muted);
}

.publication-list-full {
  gap: 1.25rem;
}

.year-block {
  padding: 1.1rem;
}

.year-heading {
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.site-footer {
  padding: 2.3rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(23, 33, 43, 0.1);
  color: var(--muted);
  font-size: 0.94rem;
}

.footer-note {
  letter-spacing: 0.02em;
}

.footer-spacer {
  min-width: 1px;
}

@media (max-width: 960px) {
  .hero-grid,
  .section-grid,
  .home-layout,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .home-layout {
    grid-template-areas:
      "research"
      "news"
      "publications"
      "teaching";
  }

  .hero-copy {
    padding: 0.2rem 0 0;
  }
}

@media (max-width: 720px) {
  .site-nav,
  .footer-inner,
  .section-heading {
    flex-direction: column;
    align-items: start;
  }

  .site-nav {
    gap: 1rem;
    padding: 1rem 0;
  }

  .site-header.is-compact .site-nav {
    gap: 0.22rem;
    min-height: 3.45rem;
    padding: 0.72rem 0;
  }

  .brand {
    max-height: 3.6rem;
    opacity: 1;
    overflow: hidden;
    transform: translateY(0) scale(1);
    transform-origin: top left;
  }

  .site-header.is-compact .brand {
    max-height: 0;
    opacity: 0;
    transform: translateY(-0.38rem) scale(0.97);
    pointer-events: none;
  }

  .hero,
  .page-hero {
    padding-top: 2rem;
  }

  .section-card,
  .profile-panel {
    padding: 1.2rem;
  }

  .hero-actions,
  .publication-links {
    gap: 0.65rem;
  }

  .hero-copy h2,
  .page-title {
    max-width: none;
    text-wrap: pretty;
  }
}