:root {
  --text: #1c1c1e;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --bg: #ffffff;
  --card: #fafafa;
  --rule: #ececec;
  --max-width: 850px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e8e8ea;
    --muted: #9ca3af;
    --accent: #6ea8ff;
    --accent-soft: #1b2435;
    --bg: #111317;
    --card: #181b20;
    --rule: #262a31;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 64px 24px 88px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover { text-decoration: underline; }

/* ---------- Nav ---------- */
.nav {
  display: flex;
  gap: 6px;
  margin-bottom: 44px;
}
.nav a {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.15s ease;
}
.nav a:hover {
  text-decoration: none;
  color: var(--text);
  background: var(--card);
}
.nav a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- Header / profile ---------- */
.profile {
  display: flex;
  gap: 34px;
  align-items: center;
  margin-bottom: 52px;
}

.photo {
  width: 230px;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 14px;
  flex-shrink: 0;
  background: var(--card);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.2);
  display: block;
}

.profile-info h1 {
  margin: 0 0 8px;
  font-family: "Newsreader", Georgia, serif;
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.affiliation {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
}

/* link pills */
.links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 15px;
}
.links a {
  display: inline-block;
  padding: 5px 13px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--text);
  background: var(--bg);
  transition: all 0.15s ease;
}
.links a:hover {
  text-decoration: none;
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- Sections ---------- */
section { margin-bottom: 46px; }

h2 {
  font-family: "Newsreader", Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
  letter-spacing: -0.01em;
}

p { margin: 0 0 14px; }

.interests {
  margin: 0;
  padding-left: 20px;
}
.interests li { margin-bottom: 6px; }

/* ---------- News ---------- */
.news {
  list-style: none;
  margin: 0;
  padding: 0;
}
.news li {
  margin-bottom: 12px;
  padding-left: 104px;
  position: relative;
}
.news .date {
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

/* ---------- Publications ---------- */
.note {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 22px;
}

h3.year {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 28px 0 12px;
}

.publications {
  list-style: none;
  margin: 0;
  padding: 0;
}
.publications li {
  margin-bottom: 12px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  line-height: 1.5;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.publications li:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.07);
}
.pub-title {
  font-weight: 600;
  font-size: 17px;
}
.pub-authors { font-size: 15.5px; }
.pub-venue {
  color: var(--muted);
  font-style: italic;
  font-size: 15.5px;
}
.pub-actions {
  display: block;
  font-size: 14px;
  margin-top: 8px;
  color: var(--muted);
}
.pub-actions a {
  font-weight: 500;
}

/* ---------- Footer ---------- */
footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 13.5px;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .container { padding: 40px 20px 64px; }
  .profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
  }
  .photo { width: 200px; }
  .links { justify-content: center; }
  .profile-info h1 { font-size: 32px; }
  .news li { padding-left: 0; }
  .news .date {
    position: static;
    display: block;
    margin-bottom: 2px;
  }
}