:root {
  --bg: #f4f1ea;
  --surface: #fbfaf7;
  --surface-strong: #f0ebe3;
  --text: #1f2623;
  --muted: #5d675f;
  --line: #d7d0c4;
  --accent: #24463c;
  --accent-soft: #dfe7e0;
  --shadow: 0 14px 40px rgba(31, 38, 35, 0.08);
  --content-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(36, 70, 60, 0.08), transparent 28%),
    linear-gradient(180deg, #f7f4ee 0%, var(--bg) 100%);
  line-height: 1.65;
}

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

a:hover {
  color: #1e3b33;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(247, 244, 238, 0.88);
  border-bottom: 1px solid rgba(215, 208, 196, 0.7);
}

.site-header-inner {
  width: min(var(--content-width), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.brand-subtitle {
  font-size: 0.92rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1rem;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
}

.hero {
  padding: 4.75rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.9fr);
  gap: 2rem;
  align-items: end;
}

.hero h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  line-height: 0.95;
  font-weight: 700;
}

.hero-lead {
  max-width: 40ch;
  margin: 1.3rem 0 0;
  font-size: 1.08rem;
  color: #2f3834;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin-top: 1.1rem;
}

.text-link {
  color: var(--accent);
  font-size: 0.98rem;
}

.profile-panel {
  justify-self: end;
  width: min(360px, 100%);
}

.profile-frame {
  background: var(--surface);
  border: 1px solid rgba(215, 208, 196, 0.9);
  border-radius: 8px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.profile-image {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 6px;
}

.profile-caption {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: start;
  margin-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.profile-caption strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.summary-strip {
  padding: 0 0 2.5rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.summary-item {
  padding: 1.2rem 0 1rem;
  border-top: 1px solid var(--line);
}

.summary-label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.summary-item p {
  margin: 0;
  font-size: 1rem;
}

.section {
  padding: 2.75rem 0;
  border-top: 1px solid rgba(215, 208, 196, 0.95);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: 2rem;
}

.section-title {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 1.5rem;
}

.section-note {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.research-list,
.timeline,
.link-list,
.publication-list {
  display: grid;
  gap: 1.5rem;
}

.research-list article,
.timeline article,
.publication-item,
.education-item {
  padding-top: 0.2rem;
}

.kicker {
  display: inline-block;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.item-title {
  margin: 0 0 0.45rem;
  font-size: 1.18rem;
}

.item-meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0.55rem;
}

.compact-list {
  margin: 0;
  padding-left: 1.1rem;
}

.compact-list li + li {
  margin-top: 0.35rem;
}

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

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

.publication-links,
.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem 2rem;
}

.skill-pair {
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.skill-pair strong {
  display: block;
  margin-bottom: 0.35rem;
}

.footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer p {
  margin: 0;
}

.visitor-map {
  margin-top: 1rem;
}

@media (max-width: 920px) {
  .hero-grid,
  .section-grid,
  .two-column,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .profile-panel {
    justify-self: start;
    max-width: 340px;
  }

  .section {
    padding: 2.25rem 0;
  }
}

@media (max-width: 640px) {
  .site-header-inner {
    align-items: flex-start;
    padding: 0.85rem 0;
  }

  .site-nav {
    gap: 0.65rem 1rem;
    font-size: 0.9rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .profile-caption {
    grid-template-columns: 1fr;
  }
}