:root {
  --text: #494e52;
  --muted: #7a8288;
  --link: #52adc8;
  --border: #f2f3f3;
  --footer: #f2f3f3;
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: -apple-system, ".SFNSText-Regular", "San Francisco", Roboto, "Segoe UI", "Helvetica Neue", "Lucida Grande", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

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

a:hover,
a:focus-visible {
  color: #2b7f99;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  padding: 0.45rem 0.7rem;
  color: #fff;
  background: #333;
  transform: translateY(-110%);
}

.skip-link:focus {
  transform: translateY(0);
}

.masthead {
  min-height: 82px;
  border-bottom: 1px solid var(--border);
}

.masthead__inner {
  display: flex;
  align-items: center;
  width: min(100%, var(--max-width));
  min-height: 81px;
  padding: 0 18px;
  margin: 0 auto;
}

.site-title {
  flex: 0 0 190px;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.site-title:hover,
.site-title:focus-visible {
  color: var(--text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.55rem;
  margin-left: 15px;
}

.site-nav a {
  padding: 29px 0 25px;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.active {
  color: #000;
  border-bottom-color: var(--link);
}

.layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 21px;
  width: min(100%, var(--max-width));
  min-height: 608px;
  padding: 36px 18px 60px;
  margin: 0 auto;
}

.sidebar {
  align-self: start;
  width: 190px;
}

.author-avatar {
  display: block;
  width: 175px;
  height: 175px;
  padding: 5px;
  object-fit: cover;
  background: #fff;
  border: 1px solid #f2f3f3;
  border-radius: 50%;
}

.sidebar h2 {
  margin: 9px 0 2px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.35;
}

.author-links {
  padding: 0;
  margin: 0;
  list-style: none;
}

.author-links li {
  margin: 0.58rem 0;
  font-size: 14px;
  line-height: 1.2;
}

.author-links a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text);
  text-decoration: none;
}

.author-links a:hover,
.author-links a:focus-visible {
  text-decoration: underline;
}

.author-links svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.page {
  min-width: 0;
  padding-left: 52px;
}

.page__content {
  max-width: 920px;
}

.page h1 {
  margin: -4px 0 0.32rem;
  color: var(--text);
  font-size: 28px;
  line-height: 1.3;
}

.page p {
  margin: 0 0 1.35rem;
}

.publications-page .page__content {
  max-width: 930px;
}

.publication-item {
  padding: 0 0 1.5rem;
  margin: 2.25rem 0 0;
  border-bottom: 1px solid var(--border);
}

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

.publication-item h2 {
  margin: 0 0 0.65rem;
  color: var(--text);
  font-size: 24px;
  line-height: 1.25;
}

.publication-item h2 a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: rgba(73, 78, 82, 0.35);
  text-underline-offset: 0.13em;
}

.publication-item h2 a:hover,
.publication-item h2 a:focus-visible {
  color: var(--link);
}

.publication-item .pub-authors {
  margin-bottom: 0.3rem;
  color: var(--text);
  line-height: 1.5;
}

.publication-item .pub-venue {
  margin-bottom: 1.1rem;
  color: var(--muted);
  font-size: 16px;
  font-style: italic;
}

.publication-item p {
  font-size: 16px;
}

.page-footer {
  min-height: 225px;
  padding: 34px 18px;
  color: #9ba1a5;
  background: var(--footer);
  border-top: 1px solid #bdc1c4;
}

.footer-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.footer-title {
  margin: 0 0 0.25rem;
  font-size: 18px;
}

.footer-follow {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.footer-follow a {
  color: #7a8288;
  text-decoration: none;
}

.copyright {
  margin-top: 1rem;
  font-size: 12px;
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .masthead,
  .masthead__inner {
    min-height: 64px;
  }

  .masthead__inner {
    justify-content: space-between;
  }

  .site-title {
    flex-basis: auto;
    font-size: 16px;
  }

  .site-nav {
    margin-left: 1rem;
  }

  .site-nav a {
    padding: 21px 0 18px;
    font-size: 14px;
  }

  .layout {
    display: block;
    min-height: 0;
    padding-top: 26px;
  }

  .sidebar {
    display: grid;
    grid-template-columns: 90px 1fr;
    column-gap: 15px;
    width: 100%;
    margin-bottom: 2.25rem;
  }

  .author-avatar {
    grid-row: 1 / span 2;
    width: 90px;
    height: 90px;
  }

  .sidebar h2 {
    align-self: end;
    margin: 0 0 3px;
  }

  .author-links {
    display: flex;
    flex-wrap: wrap;
    align-self: start;
    gap: 0.25rem 1rem;
  }

  .author-links li {
    margin: 0.35rem 0 0;
  }

  .page {
    padding-left: 0;
  }

  .page h1 {
    font-size: 25px;
  }

  .publication-item {
    margin-top: 1.8rem;
  }

  .publication-item h2 {
    font-size: 21px;
  }

  .page-footer {
    min-height: 185px;
  }
}