:root {
  --ink: #18212c;
  --muted: #657083;
  --line: #d9dee7;
  --paper: #fbfbf8;
  --panel: #f0f2f4;
  --accent: #254566;
  --accent-soft: #e8eef4;
  --link: #244f86;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
}

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

a:hover {
  text-decoration: underline;
}

.page-shell {
  display: grid;
  grid-template-columns: minmax(240px, 310px) minmax(0, 820px);
  gap: 56px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 46px 0 72px;
}

.profile-panel {
  position: sticky;
  top: 32px;
  align-self: start;
  min-height: calc(100vh - 64px);
  padding: 32px 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, var(--panel) 100%);
}

.portrait {
  display: block;
  width: 136px;
  height: 136px;
  margin-bottom: 26px;
  border: 1px solid #b8c2cf;
  object-fit: cover;
}

.profile-panel h1 {
  margin: 0 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: 0;
}

.role,
.affiliation {
  margin: 0 0 8px;
  color: var(--muted);
}

.affiliation {
  margin-top: 14px;
}

.site-nav {
  display: grid;
  gap: 8px;
  margin: 30px 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.site-nav a {
  color: var(--ink);
  font-weight: 600;
}

.contact-card {
  display: grid;
  gap: 8px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  word-break: break-word;
}

.content {
  min-width: 0;
}

section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.hero {
  padding-top: 8px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h2,
.section-heading h2 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

.hero h2 {
  margin: 0 0 22px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
}

.hero p,
section > p {
  max-width: 760px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 18px;
}

.section-heading span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.section-heading h2 {
  margin: 0;
  font-size: 28px;
}

.interest-list {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin: 20px 0 0;
  padding-left: 22px;
}

.timeline {
  display: grid;
  gap: 22px;
}

.timeline article {
  padding-left: 18px;
  border-left: 3px solid var(--accent);
}

.timeline time {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.timeline h3,
.publication h3 {
  margin: 4px 0 8px;
  font-size: 20px;
  line-height: 1.35;
}

.timeline p,
.publication p {
  margin: 0;
}

.notice,
.publication {
  max-width: 780px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: #fff;
}

.notice {
  display: grid;
  gap: 6px;
}

.news-list {
  display: grid;
  gap: 12px;
  max-width: 780px;
}

.news-list p {
  margin: 0;
}

.news-list time {
  display: inline-block;
  min-width: 72px;
  color: var(--accent);
  font-weight: 800;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
}

.social-links a {
  font-weight: 800;
}

.publication {
  margin-bottom: 18px;
}

.publication .authors {
  margin-bottom: 8px;
  color: var(--muted);
}

.publication .award {
  margin: 10px 0;
  color: var(--accent);
  font-weight: 800;
}

.publication a {
  display: inline-flex;
  margin-top: 12px;
  font-weight: 800;
}

@media (max-width: 860px) {
  .page-shell {
    display: block;
    width: min(100% - 28px, 760px);
    padding: 22px 0 56px;
  }

  .profile-panel {
    position: static;
    min-height: 0;
    margin-bottom: 28px;
  }

  .portrait {
    width: 104px;
    height: 104px;
    font-size: 34px;
  }
}