:root {
  --bg: #ffffff;
  --surface: #f7f7f7;
  --text: #2b2b2b;
  --muted: #6c6c6c;
  --line: #dedede;
  --accent: #0645ad;
  --accent-dark: #083b8a;
  --soft-blue: #eef4fb;
  --max-width: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { display: block; max-width: 100%; }
strong { font-weight: 700; }

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(var(--max-width), calc(100% - 48px));
  min-height: 68px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-name {
  margin-right: auto;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

.site-nav a {
  color: var(--muted);
  font-size: .88rem;
  font-weight: 600;
}

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

.menu-toggle {
  display: none;
  padding: 7px 10px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  font: inherit;
  font-size: .82rem;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0,1fr) 250px;
  align-items: center;
  gap: 76px;
  min-height: 520px;
  padding-block: 76px;
}

.label {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .13em;
}

.intro h1 {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.position {
  margin: 10px 0 0;
  color: var(--accent);
  font-size: 1.08rem;
  font-weight: 600;
}

.summary {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 41px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: .86rem;
  font-weight: 600;
}

.button.primary {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

.button.primary:hover {
  color: #fff;
  background: var(--accent-dark);
}

.button.secondary { background: #fff; }

.profile-image {
  width: 250px;
  height: 310px;
  object-fit: cover;
  object-position: center 28%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.section {
  padding-block: 76px;
  scroll-margin-top: 68px;
}

.section-muted {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-title { margin-bottom: 34px; }
.section-title h2 {
  margin: 0;
  color: #5f5f5f;
  font-family: Inter, sans-serif;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -.035em;
}

.compact-title { margin-bottom: 30px; }

.two-column {
  display: grid;
  grid-template-columns: minmax(0,1.35fr) minmax(300px,.85fr);
  gap: 66px;
  align-items: start;
}

.prose p { margin: 0 0 18px; }

.profile-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.profile-list > div {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.profile-list dt {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.profile-list dd {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 145px minmax(0,1fr);
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.news-item time {
  color: var(--muted);
  font-size: .9rem;
}
.news-item p { margin: 0; }
.news-item a { color: var(--accent); }
.news-authors {
  margin-top: 6px !important;
  color: var(--muted);
  font-size: .88rem;
}
.author-note {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: .76rem;
}

.publication-group { margin-top: 42px; }
.publication-group > h3 {
  margin: 0 0 18px;
  font-size: 1.22rem;
}
.empty-state {
  padding: 18px 0;
  color: #999;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
}

.publication-card {
  display: grid;
  grid-template-columns: 250px minmax(0,1fr);
  gap: 34px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
}

.publication-media {
  min-height: 175px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  text-align: center;
  border-radius: 2px;
}
.publication-media span {
  font-size: 2.35rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.publication-media small { opacity: .82; }
.media-msc { background: linear-gradient(135deg,#374d69,#70859c); }
.media-adp { background: linear-gradient(135deg,#5a476f,#937cad); }

.publication-content h4 {
  margin: 0 0 8px;
  color: #555;
  font-size: 1.19rem;
  line-height: 1.4;
  font-weight: 500;
}
.authors,
.venue,
.preprint-line {
  margin: 4px 0;
  color: var(--muted);
}
.venue,
.preprint-line { font-size: .93rem; }

.publication-links {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  margin-top: 12px;
  color: var(--accent);
  font-size: .88rem;
}
.publication-links a,
.abstract-toggle summary { cursor: pointer; }
.disabled-link { color: #aaa; }
.abstract-toggle { display: inline; }
.abstract-toggle summary {
  list-style: none;
  display: inline;
}
.abstract-toggle summary::-webkit-details-marker { display: none; }
.abstract-toggle[open] {
  flex-basis: 100%;
  order: 2;
  padding: 10px 12px;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  background: var(--soft-blue);
}
.abstract-toggle[open] summary {
  color: var(--accent);
  font-weight: 600;
}
.abstract-toggle p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.project-category + .project-category { margin-top: 46px; }
.project-category > h3 {
  margin: 0 0 18px;
  color: #686868;
  font-size: 1.45rem;
  font-weight: 500;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 20px;
}
.project-card {
  overflow: hidden;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
}
.project-card:hover {
  color: inherit;
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0,0,0,.08);
}
.project-cover {
  min-height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.project-cover span {
  font-size: 2.7rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.cover-humanoid { background: linear-gradient(135deg,#304b67,#7892aa); }
.cover-amr { background: linear-gradient(135deg,#485b43,#8aa17e); }
.project-copy { padding: 20px; }
.project-copy h4 {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1.4;
}
.project-copy p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 15px;
}
.tags span {
  padding: 3px 7px;
  color: #777;
  border-radius: 3px;
  background: #ececec;
  font-size: .7rem;
}
.project-copy small {
  display: block;
  margin-top: 14px;
  color: #8a8a8a;
}

.contact > p { max-width: 700px; color: var(--muted); }
.text-link { color: var(--accent); font-weight: 600; }
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  padding-top: 6px;
}
.social-button {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border-radius: 12px;
  background: #666;
  transition: transform .16s ease, background .16s ease;
}
.social-button:hover {
  color: #fff;
  background: #4f4f4f;
  transform: translateY(-2px);
}
.social-button svg {
  width: 38px;
  height: 38px;
  fill: currentColor;
}

footer { border-top: 1px solid var(--line); }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 24px 34px;
  color: var(--muted);
  font-size: .79rem;
}

.detail-page { background: #fff; }
.detail-header {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.detail-header a { color: var(--accent); font-size: .9rem; }
.detail-hero { padding: 70px 0 46px; }
.detail-hero h1 {
  max-width: 820px;
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(2.4rem,5vw,4.2rem);
  line-height: 1.08;
  letter-spacing: -.04em;
}
.detail-meta { margin-top: 14px; color: var(--muted); }
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) 280px;
  gap: 60px;
  padding-bottom: 80px;
}
.detail-section { margin-bottom: 38px; }
.detail-section h2 { margin: 0 0 12px; font-size: 1.35rem; }
.detail-section p,
.detail-section li { color: var(--muted); }
.detail-section ul { padding-left: 20px; }
.detail-media {
  min-height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  border: 1px dashed #bbb;
  background: var(--surface);
}
.detail-aside { padding-top: 4px; }
.detail-aside dl { margin: 0; border-top: 1px solid var(--line); }
.detail-aside div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.detail-aside dt { color: var(--muted); font-size: .74rem; text-transform: uppercase; }
.detail-aside dd { margin: 4px 0 0; font-size: .9rem; }

@media (max-width: 800px) {
  .header-inner { width: min(100% - 32px,var(--max-width)); min-height: 62px; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: 10px 0; }
  .container { width: min(100% - 32px,var(--max-width)); }
  .intro { grid-template-columns: 1fr; gap: 34px; min-height: 0; padding-block: 56px; }
  .profile-wrap { order: -1; }
  .profile-image { width: 170px; height: 210px; }
  .section { padding-block: 56px; }
  .two-column,
  .publication-card,
  .detail-layout { grid-template-columns: 1fr; }
  .two-column { gap: 34px; }
  .news-item { grid-template-columns: 1fr; gap: 7px; }
  .publication-card { gap: 22px; padding: 18px; }
  .publication-media { min-height: 155px; }
  .project-grid { grid-template-columns: 1fr; }
  .detail-layout { gap: 24px; }
  .social-button { width: 58px; height: 58px; }
  .social-button svg { width: 34px; height: 34px; }
  .footer-inner { flex-direction: column; gap: 5px; }
}