:root {
  --text: #303030;
  --muted: #666;
  --border: #e6e6e6;
  --link: #2a6f97;
  --link-dark: #174f70;
  --max: 1180px;
  --sidebar: 250px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15.5px;
  line-height: 1.72;
}

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

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.masthead__inner {
  max-width: var(--max);
  min-height: 68px;
  margin: 0 auto;
  padding: 0 26px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-title {
  margin-right: auto;
  color: #242424;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.02em;
}
.site-title:hover { text-decoration: none; }
.site-nav { display: flex; gap: 29px; align-items: center; }
.site-nav a {
  color: #4b4b4b;
  font-weight: 600;
  font-size: 14px;
  padding: 23px 0 20px;
  border-bottom: 3px solid transparent;
}
.site-nav a:hover { text-decoration: none; color: #111; }
.site-nav a.active { color: #111; border-bottom-color: #444; }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 24px; cursor: pointer; }

.page-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 44px 26px 76px;
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  gap: 68px;
}

.author-card { position: sticky; top: 105px; align-self: start; }
.author-photo-wrap {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  background: #eee;
  margin-bottom: 20px;
}
.author-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: none;
}
.author-card h2 { margin: 0 0 3px; font-size: 21px; line-height: 1.3; }
.author-role { margin: 0; color: #555; font-size: 14px; }
.author-affil { margin: 8px 0 19px; color: #666; font-size: 13.5px; line-height: 1.45; }
.author-links { list-style: none; padding: 0; margin: 0; font-size: 13.5px; }
.author-links li { margin: 7px 0; color: #555; }
.author-links a { color: #555; }
.icon { width: 22px; display: inline-block; filter: grayscale(1); }

.page-content { min-width: 0; }
.page-content > h1:first-child {
  margin-top: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
h1, h2, h3 {
  font-family: "Inter", sans-serif;
  color: #272727;
  line-height: 1.35;
  letter-spacing: -.02em;
}
h1 { font-size: 29px; margin: 0 0 24px; }
h2 { font-size: 21px; margin: 35px 0 13px; }
h3 { font-size: 17px; margin: 24px 0 8px; }
p { margin: 0 0 15px; }
ul, ol { padding-left: 1.3rem; }
li { margin: 5px 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 31px 0; }
strong { color: #282828; }

.lead {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 18px;
  line-height: 1.75;
  color: #363636;
}
.callout {
  border-left: 3px solid #b7cbd7;
  padding: 5px 0 5px 18px;
  margin: 24px 0;
  color: #4c4c4c;
}

/* Publication/manuscript numbering.
   Use CSS counters rather than browser <ol> markers so numbering remains
   visible even if a browser/theme stylesheet suppresses list markers. */
ol.pub-list {
  counter-reset: pubitem;
  list-style: none !important;
  padding-left: 0 !important;
  margin-left: 0;
}

ol.pub-list > li {
  counter-increment: pubitem;
  position: relative;
  margin: 0 0 24px;
  padding-left: 2.15rem;
}

ol.pub-list > li::before {
  content: counter(pubitem) ".";
  position: absolute;
  left: 0;
  top: 0.05rem;
  width: 1.65rem;
  text-align: right;
  color: #666;
  font-weight: 600;
  font-size: 13.5px;
  line-height: 1.72;
}

/* Keep unordered publication-style lists unbulleted if ever used elsewhere. */
ul.pub-list {
  list-style: none;
  padding-left: 0;
}

ul.pub-list > li {
  margin: 0 0 24px;
}

.pub-title { font-weight: 650; color: #303030; font-size: 16px; }
.pub-meta { color: #666; font-size: 14px; margin-top: 3px; line-height: 1.55; }
.pub-note { color: #8a5a2b; font-size: 13.5px; font-weight: 600; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  margin: 2px 5px 2px 0;
  border: 1px solid #d7e1e7;
  border-radius: 999px;
  color: #536975;
  background: #f8fafb;
  font-size: 12px;
}

.cv-button {
  display: inline-block;
  margin: 8px 0 18px;
  padding: 9px 15px;
  border: 1px solid #b9c9d2;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  color: #315f78;
}
.cv-button:hover { background: #f6f9fa; text-decoration: none; }

.site-footer {
  border-top: 1px solid var(--border);
  max-width: var(--max);
  margin: 0 auto;
  padding: 25px 26px 34px calc(var(--sidebar) + 94px);
  color: #8a8a8a;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 850px) {
  .masthead__inner { min-height: 58px; padding: 0 18px; }
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 58px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 8px 18px 12px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 0; border: 0; }
  .page-shell { grid-template-columns: 1fr; gap: 31px; padding: 30px 20px 58px; }
  .author-card { position: static; display: grid; grid-template-columns: 112px 1fr; column-gap: 22px; }
  .author-photo-wrap { width: 112px; height: 112px; grid-row: 1 / span 4; }
  .author-card h2 { margin-top: 4px; }
  .author-links { grid-column: 1 / -1; columns: 2; margin-top: 10px; }
  .site-footer { padding: 22px 20px 30px; flex-direction: column; }
}

@media (max-width: 520px) {
  body { font-size: 15px; }
  h1 { font-size: 26px; }
  .author-links { columns: 1; }
  .lead { font-size: 17px; }
}


.quick-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 27px 0 31px;
}
.quick-link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #fff;
}
.quick-link:hover {
  background: #fafcfd;
  text-decoration: none;
}
.quick-link strong { display: block; font-size: 14px; margin-bottom: 2px; }
.quick-link span { display: block; color: var(--muted); font-size: 12.5px; line-height: 1.45; }

.pub-list.compact li { margin-bottom: 17px; }
.footnote { color: #777; font-size: 12.5px; line-height: 1.55; }

.timeline { margin: 10px 0 28px; }
.timeline-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid #eeeeee;
}
.timeline-date { color: #777; font-size: 13px; font-weight: 600; white-space: nowrap; }

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 18px 0 20px;
}
.course-grid > div {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 11px 13px;
}
.course-grid strong { display: block; font-size: 13.5px; }
.course-grid span { display: block; color: #777; font-size: 12px; margin-top: 2px; }

@media (max-width: 650px) {
  .quick-links, .course-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 3px; }
}