:root {
  --text: #252a27;
  --muted: #6d756f;
  --line: #e1e5e1;
  --green: #386b3f;
  --green-dark: #28522e;
  --lime: #d8ed62;
  --yellow: #f1d84f;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }

header, main, footer {
  width: min(940px, calc(100% - 40px));
  margin: 0 auto;
}
header {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { color: var(--text); font-size: 16px; font-weight: 600; }
.brand:hover { text-decoration: none; }
nav { display: flex; gap: 22px; }
nav a { color: var(--muted); font-size: 12px; }

.profile {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
  padding: 50px 12px 54px 14px;
}
.portrait {
  display: block;
  width: 210px;
  height: 210px;
  border: 1px solid #e4e9e4;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  box-shadow: 0 2px 10px rgba(40, 82, 46, .06);
}
h1 {
  margin: 1px 0 4px;
  color: #202321;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.role { margin: 0 0 3px; color: var(--muted); }
.affiliations { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 9px 0 17px; }
.affiliations a { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; }
.bio { max-width: 670px; margin: 0 0 15px; color: #505752; }
.bio a { font-weight: 500; }
.interests { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 17px; }
.interests span {
  padding: 3px 8px;
  border-radius: 3px;
  background: #f3f7dd;
  color: var(--green-dark);
  font-size: 11px;
}
.profile-links { display: flex; flex-wrap: wrap; gap: 13px; }
.profile-links a { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; }
.profile-links svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.profile-links .github-link svg { fill: currentColor; stroke: none; }

.publications { padding: 42px 0 74px; border-top: 1px solid var(--line); }
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}
h2 { margin: 0; font-size: 21px; letter-spacing: -.015em; }
.section-heading > a { font-size: 12px; }
.paper-list { border-top: 1px solid var(--line); }
.paper {
  position: relative;
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 26px;
  padding: 23px 12px 23px 14px;
  border-bottom: 1px solid var(--line);
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}
.paper-image {
  width: 210px;
  height: 138px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #e7e9e7;
  border-radius: 3px;
  background: #fff;
}
.paper-image:hover { border-color: var(--green); text-decoration: none; }
.paper-image img {
  display: block;
  width: 100%;
  height: 100%;
  padding: 5px;
  object-fit: contain;
  transition: transform 240ms ease;
}
.paper-copy h3 {
  margin: -3px 0 6px;
  color: #2e5f35;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  transition: color 180ms ease;
}
.authors, .venue, .summary { margin: 0; font-size: 12px; }
.authors { color: #4e5550; }
.authors strong { color: var(--text); font-weight: 600; }
.venue { margin-top: 2px; color: var(--green); }
.summary { max-width: 650px; margin-top: 8px; color: var(--muted); }
.paper-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.paper-links a, .paper-links span {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 4px 9px;
  border: 1px solid #d4d9d4;
  border-radius: 3px;
  color: var(--green-dark);
  background: #fff;
  font-size: 11px;
  font-weight: 600;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}
.paper-links a:hover { border-color: var(--green); text-decoration: none; }
.paper-links a.primary { border-color: var(--lime); background: var(--lime); }
.paper-links a.primary:hover { background: #e2f27e; }
.paper-links span { color: var(--muted); background: #f7f8f6; }
.equal-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; }

.paper:hover,
.paper:focus-within {
  z-index: 1;
  transform: translateY(-3px);
  background: linear-gradient(90deg, rgba(216, 237, 98, .10), rgba(241, 216, 79, .05));
  box-shadow: 0 9px 22px rgba(40, 82, 46, .09), inset 3px 0 0 var(--lime);
}
.paper:hover .paper-image img,
.paper:focus-within .paper-image img { transform: scale(1.035); }
.paper:hover .paper-copy h3,
.paper:focus-within .paper-copy h3 { color: var(--green-dark); }
.paper:hover .paper-links a,
.paper:focus-within .paper-links a { border-color: #abc34a; }
.paper-links a:hover { transform: translateY(-1px); }

footer {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 620px) {
  header { padding: 18px 0; align-items: flex-start; }
  nav { gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
  nav a:first-child { display: none; }
  .profile { grid-template-columns: 120px minmax(0, 1fr); gap: 18px; padding: 38px 0 42px; }
  .portrait { width: 120px; height: 120px; }
  h1 { font-size: 25px; }
  .bio, .interests { grid-column: 1 / -1; }
  .paper { grid-template-columns: 1fr; gap: 15px; }
  .paper-image { width: min(260px, 100%); height: 160px; }
  .section-heading { display: block; }
  .section-heading > a { display: inline-block; margin-top: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .paper,
  .paper-image img,
  .paper-copy h3,
  .paper-links a,
  .paper-links span { transition: none; }
  .paper:hover,
  .paper:focus-within,
  .paper:hover .paper-image img,
  .paper:focus-within .paper-image img,
  .paper-links a:hover { transform: none; }
}