:root {
  --ink: #1a1a1a;
  --muted: #5a5f66;
  --faint: #8a9099;
  --navy: #14213d;
  --link: #1c5d99;
  --link-hover: #0f3d66;
  --rule: #e6e8eb;
  --bg: #ffffff;
  --bg-alt: #f7f8fa;
  --accent-bg: #eef3f8;
  --maxw: 760px;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

h1, h2, h3 { font-family: var(--serif); color: var(--navy); line-height: 1.2; font-weight: 600; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
}
.nav-brand:hover { text-decoration: none; }
.nav-links {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--navy); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 4px 0; transition: 0.2s; }

/* ---------- Layout ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 56px 0; border-top: 1px solid var(--rule); }
.section h2 {
  font-size: 1.6rem;
  margin: 0 0 28px;
  letter-spacing: -0.01em;
}

/* ---------- Intro ---------- */
.intro { padding: 64px 0 8px; }
.intro-grid { display: grid; grid-template-columns: 132px 1fr; gap: 36px; align-items: start; }
.intro-photo {
  width: 132px; height: 132px; border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), #2c4a72);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.intro-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 30% 30%; }
.monogram { font-family: var(--serif); color: #fff; font-size: 2.6rem; font-weight: 500; letter-spacing: 0.04em; }
.intro-text h1 { font-size: 2.5rem; margin: 0 0 6px; letter-spacing: -0.02em; }
.affiliations { color: var(--muted); margin: 0 0 18px; font-size: 1rem; }
.lede { font-size: 1.12rem; margin: 0 0 16px; }
.bio { color: #34383d; margin: 0 0 20px; }
.contact-row {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 8px 18px;
  font-size: 0.95rem;
}
.contact-row li { position: relative; }
.contact-row li:not(:last-child)::after {
  content: "·"; color: var(--faint); position: absolute; right: -11px;
}

/* ---------- Publications ---------- */
.subhead {
  font-size: 1.1rem; color: var(--muted); font-weight: 500;
  margin: 40px 0 18px; padding-bottom: 8px; border-bottom: 1px solid var(--rule);
}
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.pub:last-child { border-bottom: 0; }
.pub-meta { text-align: right; padding-top: 3px; }
.pub-meta .venue {
  display: block; font-family: var(--serif); font-weight: 600;
  color: var(--navy); font-size: 0.95rem;
}
.pub-meta .year { display: block; color: var(--faint); font-size: 0.85rem; margin-top: 2px; }
.pub-title { font-size: 1.18rem; margin: 0 0 6px; line-height: 1.3; }
.pub-authors { margin: 0 0 8px; color: var(--muted); font-size: 0.92rem; }
.pub-desc { margin: 0 0 12px; color: #34383d; font-size: 0.98rem; }
.pub-links { margin: 0; font-size: 0.93rem; display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.pub-links a { font-weight: 500; }

.badge {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 2px 9px;
  font-size: 0.82rem;
  font-weight: 500;
}
.badge-accepted {
  background: var(--accent-bg);
  color: var(--link);
  border-color: #cfe0ef;
}

/* ---------- News ---------- */
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 24px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 0.98rem;
}
.news-list li:last-child { border-bottom: 0; }
.news-date { color: var(--faint); font-size: 0.9rem; text-align: right; padding-top: 1px; }
.news-item { color: #34383d; }

/* ---------- Writing ---------- */
.writing-intro { font-size: 1.05rem; color: #34383d; margin: 0 0 20px; max-width: 60ch; }
.button {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.95rem;
}
.button:hover { background: #0c1730; color: #fff; text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 36px 24px 56px;
  border-top: 1px solid var(--rule);
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}
.site-footer p { margin: 6px 0; }
.copyright { color: var(--faint); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--rule);
    padding: 8px 24px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 8px 0; }

  .intro { padding: 40px 0 8px; }
  .intro-grid { grid-template-columns: 1fr; gap: 20px; }
  .intro-photo { width: 96px; height: 96px; }
  .monogram { font-size: 2rem; }
  .intro-text h1 { font-size: 2rem; }

  .pub, .news-list li { grid-template-columns: 1fr; gap: 4px; }
  .pub-meta { text-align: left; padding-top: 0; }
  .pub-meta .venue { display: inline; }
  .pub-meta .year { display: inline; margin-left: 8px; }
  .news-date { text-align: left; }
}