:root {
  --ink: #1a1a1a;
  --muted: #5a5a5a;
  --rule: #dcdcdc;
  --accent: #2c3e63; /* muted UVA blue */
  --bg: #fdfdfc;
  --max-width: 860px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
  margin-bottom: 48px;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.name-link {
  font-family: "Inter", -apple-system, sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

nav {
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 15px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 22px;
}

nav a:first-child { margin-left: 0; }

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

/* Headings */
h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: 30px;
  margin: 0 0 8px;
}

h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  font-size: 21px;
  margin: 0 0 10px;
}

/* About page */
.about-page { padding-bottom: 60px; }

.intro {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.headshot {
  width: 320px;
  height: auto;
  max-width: 100%;
  border-radius: 6px;
  flex-shrink: 0;
  display: block;
}

.intro-text h1 {
  margin-bottom: 14px;
}

.jmp-line {
  background: #f3f4f7;
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  font-size: 16px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 14.5px;
  color: var(--muted);
}

.contact-list li { margin-bottom: 4px; }

.contact-list a { color: var(--accent); }

/* Links */
a {
  color: var(--accent);
}

/* Research page */
.fields {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 40px;
}

.paper {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
}

.paper:last-child { padding-bottom: 0; }

.paper-tag {
  display: inline-block;
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 8px;
}

.paper h2 { margin-bottom: 10px; }

.paper-links {
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 14px;
  margin: 0 0 10px;
}

.placeholder-link {
  color: #999;
  font-style: italic;
}

.abstract {
  color: var(--muted);
  font-size: 16px;
}

/* Teaching page */
.teaching-block {
  margin-bottom: 40px;
}

.teaching-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
  margin-bottom: 10px;
}

.teaching-table td {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
}

.teaching-table td:last-child {
  text-align: right;
  color: var(--muted);
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 14px;
  white-space: nowrap;
  padding-left: 16px;
}

.note {
  color: var(--muted);
  font-size: 14.5px;
  font-family: "Inter", -apple-system, sans-serif;
}

.teaching-block ul {
  font-size: 16px;
}

/* Personal page */
.post {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
}

.post:last-child { padding-bottom: 0; }

.post h2 { margin-bottom: 10px; }

.post h2 a {
  color: var(--ink);
  text-decoration: none;
}

.post h2 a:hover { color: var(--accent); }

.post-meta {
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 16px;
}

.post-body p {
  margin: 0 0 16px;
}

.post-body p:last-child { margin-bottom: 0; }

.post-back {
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 14px;
  margin: 0 0 24px;
}

.post-standalone {
  border-top: none;
  padding-top: 0;
}

.post-standalone h1 { margin-bottom: 10px; }

.video-embed {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  margin-top: 12px;
  border-radius: 4px;
  overflow: hidden;
  background: #000;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 60px;
  padding: 24px 0;
  font-family: "Inter", -apple-system, sans-serif;
  font-size: 13px;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 560px) {
  .intro {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .contact-list { text-align: left; }
  .header-inner { flex-direction: column; align-items: flex-start; }
  nav a { margin-left: 0; margin-right: 18px; }
}