/* ---------- Base ---------- */
:root {
  --ink: #1a1a1a;
  --muted: #666;
  --line: #e6e6e6;
  --accent: #7a1f2b;      /* deep maroon */
  --accent-hover: #a5313f;
  --bg: #fbf9f2;          /* very light cream */
  --maxw: 760px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease, color .15s ease;
}
a:hover { color: var(--accent-hover); border-bottom-color: var(--accent-hover); }

/* ---------- Nav ---------- */
.nav {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 22px 24px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.nav-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .2px;
  color: var(--ink);
  border: none;
}
.nav-name:hover { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 22px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
  letter-spacing: .3px;
}
.nav-links a {
  color: var(--muted);
  border: none;
  text-transform: uppercase;
  font-size: 13.5px;
  letter-spacing: .8px;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 40px;
}

/* ---------- Home ---------- */
.intro {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}
.intro-photo {
  flex: 0 0 210px;
  text-align: center;
}
.intro-photo img {
  width: 210px;
  height: 260px;
  object-fit: cover;
  border-radius: 4px;
  background: #f0f0f0;
  border: 1px solid var(--line);
}
.photo-placeholder {
  width: 210px;
  height: 260px;
  border: 1px dashed #ccc;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-family: -apple-system, sans-serif;
  font-size: 13px;
  text-align: center;
  padding: 12px;
  background: #fafafa;
}
.intro-text { flex: 1; min-width: 0; }
.intro-text h1 {
  margin: 0 0 4px;
  font-size: 30px;
  letter-spacing: .3px;
}
.intro-role {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 17px;
  font-style: italic;
}
p { margin: 0 0 16px; }

.contact {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 15px;
  color: var(--muted);
}
.contact span { white-space: nowrap; }
.contact .sep { margin: 0 10px; color: #ccc; }

/* ---------- Research ---------- */
.page-title {
  font-size: 26px;
  margin: 0 0 6px;
}
.section-h {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent);
  margin: 38px 0 4px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.pub {
  margin: 20px 0;
}
.pub-title { font-weight: 700; }
.pub-authors { }
.pub-venue { font-style: italic; color: var(--muted); }
.pub-note {
  font-family: -apple-system, sans-serif;
  font-size: 13px;
  color: var(--muted);
}
.me { text-decoration: underline; text-underline-offset: 2px; }

.lead {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 8px;
}

/* ---------- Footer ---------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 24px 50px;
  color: #aaa;
  font-family: -apple-system, sans-serif;
  font-size: 13px;
}

/* ---------- Responsive ---------- */
@media (max-width: 620px) {
  body { font-size: 17px; }
  .intro { flex-direction: column; align-items: center; text-align: center; gap: 24px; }
  .intro-text { text-align: left; }
  .nav-inner { justify-content: center; }
  .wrap { padding-top: 36px; }
}