:root {
  --bg: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #e6e9ef;
  --soft: #f7f8fa;
  --accent: #1f4f8f;
  --accent-soft: #eef4ff;
  --max: 980px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.94rem;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

nav a { color: var(--muted); }
nav a:hover { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 42px;
  align-items: center;
  padding: 70px 0 54px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 4.4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -0.05em;
}

.lead {
  max-width: 720px;
  margin-bottom: 26px;
  color: #475166;
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
}

.portrait {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: 0 10px 26px rgba(23, 32, 51, 0.08);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.links a,
.secondary-link,
.publication-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 650;
}

.links a:hover,
.secondary-link:hover,
.publication-links a:hover {
  background: var(--accent-soft);
  border-color: #cad8f2;
  text-decoration: none;
}

.icon {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.section {
  padding: 54px 0;
  border-bottom: 1px solid var(--line);
}

.section-title { margin-bottom: 24px; }

.section-title h2,
.contact h2 {
  margin-bottom: 6px;
  font-size: clamp(1.45rem, 2.4vw, 1.95rem);
  letter-spacing: -0.03em;
}

.section-title p,
.contact p,
.meta {
  color: var(--muted);
}

.with-action {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.three-column {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.three-column article,
.position-list article {
  padding: 19px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--soft);
}

.three-column h3,
.position-list h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.three-column p,
.position-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.publication-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.publication {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.year {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.publication h3 {
  max-width: 780px;
  margin-bottom: 6px;
  font-size: 1.05rem;
  line-height: 1.38;
}

.publication .meta {
  margin-bottom: 12px;
  font-size: 0.94rem;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.publication-links a {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 0.84rem;
}

.position-list {
  display: grid;
  gap: 14px;
}

.position-date {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.87rem;
  font-weight: 700;
}

.contact {
  max-width: var(--max);
}

.compact-links { margin-top: 18px; }

.site-footer {
  padding: 26px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
    gap: 8px;
  }

  nav {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 46px;
    gap: 28px;
  }

  .portrait {
    order: -1;
    width: 128px;
    height: 128px;
  }

  .three-column {
    grid-template-columns: 1fr;
  }

  .with-action {
    display: block;
  }

  .secondary-link {
    margin-top: 12px;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .year {
    font-size: 0.86rem;
  }
}

.lead a {
  font-weight: 650;
}

.publication-list .publication:last-child {
  border-bottom: 0;
}

.compact-title {
  margin-bottom: 18px;
}