:root {
  --text: #222;
  --muted: #666;
  --light: #f7f7f7;
  --line: #e5e5e5;
  --link: #1772d0;
  --link-hover: #0b4f94;
  --max-width: 900px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
  text-transform: lowercase;
}

.nav-links a {
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 44px 22px 36px;
}

.section {
  margin-bottom: 52px;
}

.hero {
  display: flex;
  align-items: flex-start;
  gap: 36px;
}

.profile-photo {
  width: 260px;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}


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

h1 {
  margin-bottom: 4px;
  font-size: 34px;
  line-height: 1.2;
  font-weight: 650;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 18px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 600;
  text-transform: lowercase;
  letter-spacing: -0.02em;
}

h3 {
  margin-bottom: 5px;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 600;
}

.subtitle {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 18px;
}

.contact {
  margin-bottom: 22px;
  color: var(--muted);
}

.contact span {
  margin: 0 6px;
  color: #aaa;
}

.interest-list {
  margin: 10px 0 0;
  padding-left: 22px;
}

.news-list p {
  margin-bottom: 8px;
}

.news-list span {
  display: inline-block;
  min-width: 54px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
}

.publication {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.publication:last-child {
  border-bottom: 1px solid var(--line);
}

.publication.compact h3 {
  font-size: 16px;
}

.venue {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.authors,
.meta,
.links {
  margin-bottom: 4px;
}

.authors,
.meta {
  color: var(--muted);
  font-size: 15px;
}

.links {
  display: flex;
  gap: 12px;
  font-size: 15px;
}

footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .nav-inner {
    display: block;
  }

  .brand {
    display: inline-block;
    margin-bottom: 8px;
  }

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

  .container {
    padding-top: 30px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .profile-mark {
    width: 110px;
    height: 110px;
    font-size: 30px;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .venue {
    margin-bottom: 2px;
  }
}