*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #faf8f4;
  --text: #1a1a1a;
  --muted: #5b5b5b;
  --border: #dedede;
  --link: #2b5a8c;
  --serif: 'Source Serif 4', Georgia, Cambria, 'Times New Roman', Times, 'Noto Serif', serif;
}

body {
  font-family: var(--serif);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* ── Site nav ── */
.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 40px;
}

.site-nav a {
  padding: 7px 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  background: #f1ede2;
  border: 1px solid #ddd5bf;
  border-radius: 8px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover {
  background: #e8ded9;
  border-color: #c9bfa0;
  text-decoration: none;
}

.site-nav a.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* ── Header ── */
header {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  margin-bottom: 64px;
}

.avatar {
  flex: 0 0 auto;
  width: 160px;
  height: 160px;
  border-radius: 6px;
  overflow: hidden;
  background: #efefef;
  border: 1px solid var(--border);
}

.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.avatar-placeholder {
  width: 100%;
  height: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  font-weight: 600;
  color: #9a9a9a;
  letter-spacing: -0.03em;
}

.header-text h1 {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.role {
  font-size: 18px;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 18px;
}

.bio {
  font-size: 17.5px;
  color: #2b2b2b;
  line-height: 1.7;
  margin-bottom: 18px;
}

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

.links a { margin-right: 2px; }
.links .sep { margin: 0 8px; color: var(--border); }

/* ── Section heading ── */
.section-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 28px;
}

/* ── Updates ── */
#updates { margin-bottom: 64px; }

.updates-scroll-wrap { position: relative; }

.updates-scroll {
  max-height: 260px;
  overflow-y: auto;
  padding-right: 10px;
  scrollbar-width: thin;
  scrollbar-color: #ddd5bf transparent;
}

.updates-scroll::-webkit-scrollbar { width: 6px; }
.updates-scroll::-webkit-scrollbar-track { background: transparent; }
.updates-scroll::-webkit-scrollbar-thumb { background: #ddd5bf; border-radius: 3px; }
.updates-scroll::-webkit-scrollbar-thumb:hover { background: #c9bfa0; }

/* Fades the last bit of content into the page background to hint that the
   list scrolls, instead of cutting items off with a hard edge. Only shown
   when the list actually overflows (see the script at the bottom of the
   page) — otherwise it would just dim the last item for no reason. */
.updates-scroll-wrap.has-overflow::after {
  content: '';
  position: absolute;
  left: 0; right: 10px; bottom: 0;
  height: 36px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.updates-list { display: flex; flex-direction: column; gap: 14px; }

.update-item { display: flex; align-items: center; gap: 14px; }

.update-date { flex: 0 0 auto; }

.update-text {
  font-size: 15px;
  color: #2b2b2b;
}

.update-text a { text-decoration: underline; }

/* ── Publication / project entries ── */
.entry-list { display: flex; flex-direction: column; gap: 34px; }

.entry {
  display: flex;
  gap: 20px;
}

.entry-thumb {
  flex: 0 0 150px;
  width: 150px;
  height: 108px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafafa;
}

.entry-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }

.entry-body {
  flex: 1;
  min-width: 0;
  position: relative;
  padding-right: 60px;
}

/* Shared date typography — small caps, no box or fill, so it reads as a
   refined caption rather than a UI badge. Used by Updates, the Research
   list, and the Blog list so every date on the site matches. */
.entry-date, .blog-date, .update-date {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* On the Research/Blog rows the date sits at the top-right corner. */
.entry-date, .blog-date {
  position: absolute;
  top: 2px;
  right: 0;
}

.update-date { flex: 0 0 64px; }

.entry-title {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 5px;
}

.entry-authors {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 4px;
  line-height: 1.5;
}

.entry-authors b { color: var(--text); }

.entry-venue {
  font-size: 13px;
  font-style: italic;
  color: var(--muted);
  margin-bottom: 8px;
}

.entry-desc {
  font-size: 14px;
  color: #333;
  line-height: 1.65;
  margin-bottom: 8px;
}

.entry-links { font-size: 13px; }
.entry-links .sep { margin: 0 6px; color: var(--border); }

/* ── Blog list ── */
.blog-list { display: flex; flex-direction: column; gap: 22px; }

.blog-entry {
  display: block;
  position: relative;
  padding-right: 60px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.blog-entry:last-child { border-bottom: none; padding-bottom: 0; }

.blog-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.blog-entry:hover .blog-title { text-decoration: underline; }

.blog-excerpt {
  font-size: 14px;
  color: #333;
  line-height: 1.6;
}

.blog-empty {
  font-size: 14px;
  font-style: italic;
  color: var(--muted);
}

/* ── Blog post article ── */
.post-date {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.post-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 28px;
}

.post-article p { font-size: 16.5px; color: #2b2b2b; margin-bottom: 20px; line-height: 1.7; }
.post-article h2 { font-size: 21px; font-weight: 700; margin: 36px 0 14px; }
.post-article a { text-decoration: underline; }
.post-article ul, .post-article ol { margin: 0 0 20px 22px; }
.post-article li { margin-bottom: 8px; font-size: 16.5px; color: #2b2b2b; }
.post-article code { background: #f0ede6; padding: 2px 5px; border-radius: 3px; font-size: 0.9em; }
.post-article pre { background: #f0ede6; padding: 14px 16px; border-radius: 6px; overflow-x: auto; margin-bottom: 20px; }
.post-article blockquote { border-left: 3px solid var(--border); padding-left: 16px; color: var(--muted); margin-bottom: 20px; }
.post-article img { max-width: 100%; border-radius: 4px; margin-bottom: 20px; }

/* ── Responsive ── */
@media (max-width: 560px) {
  main { padding: 32px 18px 60px; }
  header { flex-direction: column; gap: 18px; margin-bottom: 40px; }
  .avatar { width: 96px; height: 96px; }
  .entry { flex-direction: column; }
  .entry-thumb { width: 100%; height: 160px; }
  .entry-body { padding-right: 0; padding-top: 30px; }
  .blog-entry { padding-right: 0; padding-top: 30px; }
  .entry-date, .blog-date { top: -4px; right: auto; left: 0; }
}