:root {
  color-scheme: light;
  --bg: #f9f8f6;
  --surface: #ffffff;
  --border: #d6d3d1;
  --text: #1f2933;
  --muted: #4b5563;
  --accent: #0f172a;
  --accent-soft: #f1f5f9;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Source Serif 4', 'Times New Roman', serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9375rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--accent);
}

main {
  flex: 1;
  padding-block: 4rem 5rem;
}

.section {
  margin-bottom: 4rem;
}

.section-header {
  margin-bottom: 1.5rem;
}

.section-title {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.section-subtitle {
  margin-top: 0.5rem;
  color: var(--muted);
}

.hero {
  margin-top: 2rem;
}

.hero-content {
  display: grid;
  gap: 2rem;
  align-items: stretch;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: stretch;
  justify-content: space-between;
}

.hero-portrait {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  max-width: 320px;        
  width: 100%;            
  justify-self: center;      
}

.hero-portrait img {
  width: 100%;
  height: auto;
  object-fit: cover;
}


.card.interests {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 320px;          
  width: 100%;               
  justify-self: center;     
}

.card.interests ul {
  margin: 0;
  padding-left: 1.1rem;
}

.hero-aside {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.hero-copy {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
}

.headline {
  margin: 0 0 0.75rem;
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.subheadline {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.hero-copy p {
  margin-bottom: 1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 1.5rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  font-weight: 500;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  transition: border-color 0.2s ease;
}

.chip:hover,
.chip:focus {
  border-color: var(--accent);
}

.icon {
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section-title .icon,
.card-title .icon {
  display: none;
}

.card,
.card-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.5rem;
}

.card-title {
  margin: 0;
  font-weight: 600;
  font-size: 1.05rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.card-meta {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.card-description {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.detail-list {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  color: var(--text);
}

.detail-list li {
  margin-bottom: 0.25rem;
}

.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.5rem;
}

.pub-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.pub-label {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  min-width: 2.75rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.pub-entry {
  display: grid;
  gap: 0.35rem;
}

.pub-authors {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.pub-title {
  margin: 0;
  font-size: 1.05rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.pub-title a {
  color: inherit;
  text-decoration: none;
}

.pub-title a:hover,
.pub-title a:focus {
  text-decoration: underline;
}

.pub-venue {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.highlight {
  background: var(--accent-soft);
  padding: 0 0.2rem;
  border-radius: 0.2rem;
}

.grid-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}

.grid-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.card-list.two-column {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card.contact-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #ffffff;
  padding: 2.5rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

@media (min-width: 768px) {
  .hero-content {
    grid-template-columns: 2fr 1fr;
  }

  .hero-portrait {
    justify-self: stretch;
    max-width: none;
  }

  .card-header {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
  }
}

@media (max-width: 720px) {
  .site-nav {
    display: none;
  }

  .container {
    width: min(100%, calc(100% - 2rem));
  }

  .hero-content {
   display: flex;
   flex-direction: column;
  gap: 1.5rem;
  }
  .hero-aside {
   order: -1;
   align-items: center;
  }

  .hero-copy {
    padding: 1.75rem;
  }

  .card,
  .card-list li,
  .grid-list li {
    padding: 1.25rem;
  }
}