:root {
  --bg: #fdfdfc;
  --text: #1f2430;
  --text-dim: #565d6b;
  --text-faint: #8a919e;
  --border: #e4e2dd;
  --link: #1f2430;
  --icon: #3a4150;
  --icon-linkedin: #0a66c2;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #14161a;
  --text: #e7e6e2;
  --text-dim: #a6a9b2;
  --text-faint: #6e727d;
  --border: #2a2d33;
  --link: #e7e6e2;
  --icon: #cfd2da;
  --icon-linkedin: #4d9fe8;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'EB Garamond', Georgia, 'Times New Roman', serif;
  font-size: 19px;
  line-height: 1.75;
  transition: background 0.15s ease, color 0.15s ease;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 40px;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: currentColor; }

/* Top bar */
.topbar {
  padding: 32px 0;
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 1.02rem;
  padding: 7px 16px;
  border-radius: 999px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active {
  background: var(--border);
  color: var(--text);
}

#theme-toggle {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-dim);
  padding: 6px;
  display: flex;
  border-radius: 999px;
}
#theme-toggle:hover { color: var(--text); }
#theme-toggle svg { width: 20px; height: 20px; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  padding: 48px 40px 72px;
}

.hero-text h1 {
  font-size: 2.1rem;
  font-weight: 600;
  margin: 0 0 8px;
  line-height: 1.2;
}

.bio {
  margin-top: 32px;
}
.bio p {
  margin: 0 0 26px;
  color: var(--text);
}
.bio p:last-child { margin-bottom: 0; }

.link-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding: 0;
  margin: 36px 0 0;
}
.link-row a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 1rem;
}
.link-row a:hover { color: var(--text); }
.link-row svg { width: 20px; height: 20px; color: var(--icon); flex-shrink: 0; }
.link-row li:nth-child(3) svg { color: var(--icon-linkedin); }

.hero-photo img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  display: block;
}

/* Publications */
.pubs {
  padding: 0 40px 64px;
}
.pubs h2 {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 10px;
}
.pubs-note {
  color: var(--text-faint);
  font-size: 0.95rem;
  font-style: italic;
  margin: 0 0 24px;
}
.pub-entry {
  padding: 22px 0;
  border-top: 1px solid var(--border);
}
.pub-venue {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0 0 8px;
}
.pub-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 999px;
}
.pub-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 8px;
}
.pub-authors {
  color: var(--text-dim);
  margin: 0 0 12px;
}
.pub-authors strong { color: var(--text); }
.pub-links { margin: 0; font-size: 0.95rem; }
.pub-links .dot { color: var(--text-faint); margin: 0 6px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px 48px;
  display: flex;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.95rem;
}
.site-footer p { margin: 0; }
.site-footer a {
  color: var(--text-faint);
  text-decoration-color: var(--border);
}
.site-footer a:hover { color: var(--text-dim); }

/* Responsive */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 24px 24px 48px;
    gap: 20px;
  }
  .hero-photo { order: -1; }
  .hero-photo img { width: 96px; height: 96px; }
  .hero-text h1 { font-size: 1.9rem; }
  body { font-size: 17px; }
  .topbar { padding: 24px 0; }
  .topbar-inner { padding: 0 24px; flex-wrap: wrap; gap: 12px; }
  .pubs { padding: 0 24px 48px; }
  .site-footer {
    padding: 24px 24px 40px;
    flex-direction: column;
    gap: 6px;
  }
}