:root {
  --blue: #06479d;
  --blue-dark: #071f3d;
  --blue-mid: #0f5f83;
  --text: #111111;
  --muted: #505050;
  --page: #eeeeee;
  --footer: #c9e2f0;
  --rule: #cfcfcf;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: #002e70;
}

.topbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 28px;
  background: #ffffff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.site-name {
  color: #111111;
  font-size: 21px;
  text-decoration: none;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
}

.nav a {
  display: inline-block;
  padding: 8px 11px;
  color: #111111;
  text-decoration: none;
  white-space: nowrap;
}

.nav a.active {
  background: var(--blue);
  color: #ffffff;
}

.hero {
  min-height: 150px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(130deg, rgba(16, 126, 151, 0.95), rgba(6, 28, 61, 0.98)),
    linear-gradient(35deg, transparent 0 22%, rgba(255, 255, 255, 0.08) 22% 33%, transparent 33% 100%),
    linear-gradient(115deg, transparent 0 48%, rgba(255, 255, 255, 0.06) 48% 58%, transparent 58% 100%);
  color: #ffffff;
}

.hero-inner,
.content,
.footer-inner {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
}

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

.home-hero .hero-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}

.portrait {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #ffffff;
  object-fit: cover;
  object-position: center top;
}

.home-hero h1 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 30px;
  font-weight: 700;
}

.home-hero p {
  margin: 4px 0 0;
  font-size: 16px;
}

.content {
  padding: 28px 0 56px;
}

.section {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.section:last-child {
  border-bottom: 0;
}

h2 {
  margin: 0 0 12px;
  color: #234d91;
  font-size: 22px;
}

h3 {
  margin: 20px 0 8px;
  color: #234d91;
  font-size: 18px;
}

p {
  margin: 0 0 12px;
}

ul {
  margin: 0 0 12px 24px;
  padding: 0;
  list-style-type: square;
}

li {
  margin: 5px 0;
}

.news li,
.compact li {
  margin: 4px 0;
}

.publication li {
  margin: 11px 0;
}

.cert-list li {
  margin: 7px 0;
}

.award-list li {
  margin: 12px 0;
}

.cert-list a {
  font-weight: 700;
}

.cert-meta {
  display: block;
  color: var(--muted);
  font-size: 15px;
}

.muted {
  color: var(--muted);
}

.two-col {
  columns: 2;
  column-gap: 44px;
}

.footer {
  background: var(--footer);
  padding: 28px 0;
}

.footer h2 {
  color: #111111;
}

.social {
  margin-top: 14px;
}

.social a {
  margin-right: 12px;
}

.redirect {
  max-width: 680px;
  margin: 80px auto;
  padding: 0 20px;
}

@media (max-width: 720px) {
  .topbar {
    display: block;
    padding: 12px 16px;
  }

  .site-name {
    display: block;
    margin-bottom: 10px;
  }

  .nav {
    gap: 2px;
    padding-bottom: 2px;
  }

  .nav a {
    padding: 7px 9px;
    font-size: 14px;
  }

  .hero {
    min-height: 128px;
  }

  .hero h1 {
    font-size: 28px;
  }

  .home-hero .hero-inner {
    align-items: flex-start;
    gap: 16px;
  }

  .portrait {
    width: 66px;
    height: 66px;
  }

  .home-hero h1 {
    font-size: 22px;
  }

  .two-col {
    columns: 1;
  }
}