:root {
  --bg: #fbfbfa;
  --text: #202427;
  --muted: #667078;
  --line: #dfe3e6;
  --accent: #245d63;
  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--text);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 250, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.94rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
}

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

.profile {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  padding: 52px 0 42px;
  border-bottom: 1px solid var(--line);
}

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

h1 {
  margin-bottom: 6px;
  font-size: clamp(1.9rem, 3.6vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.role {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 1.05rem;
}

.profile-text {
  max-width: 700px;
}

.profile-text p:not(.role) {
  color: #394045;
}

.profile-side {
  padding-top: 8px;
}

.profile-side img {
  display: block;
  width: 160px;
  height: 200px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  background: #f2f3f3;
  object-fit: cover;
}

.profile-side dl {
  margin: 0;
  font-size: 0.94rem;
}

.profile-side div {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.profile-side dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.profile-side dd {
  margin: 0;
}

.profile-links {
  display: flex;
  gap: 12px;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.icon-link svg {
  width: 21px;
  height: 21px;
}

.icon-stroke {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.icon-fill {
  fill: currentColor;
  stroke: none;
}

.icon-link:hover,
.icon-link:focus-visible {
  color: var(--text);
}

.section {
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}

.plain-list,
.publication-list,
.updates-list {
  margin: 0;
  padding-left: 1.2rem;
}

.plain-list li,
.publication-list li,
.updates-list li {
  margin-bottom: 18px;
  padding-left: 4px;
}

.plain-list li:last-child,
.publication-list li:last-child,
.updates-list li:last-child {
  margin-bottom: 0;
}

.publication-list {
  padding-left: 1.5rem;
}

.pub-title {
  margin-bottom: 2px;
  color: var(--text);
  font-weight: 700;
}

.pub-meta {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.95rem;
}

.publication-list p:last-child {
  margin-bottom: 0;
  color: #394045;
}

.updates-list {
  list-style: none;
  padding-left: 0;
}

.updates-list li {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 18px;
}

.updates-list time {
  color: var(--muted);
  font-size: 0.94rem;
}

.update-badge {
  color: #d04a3a;
  font-weight: 700;
}

.site-footer {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 20px 0 42px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .profile {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 38px;
  }

  .profile-side {
    padding-top: 0;
  }

  .profile-side img {
    width: 132px;
    height: 164px;
  }

  .updates-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 520px) {
  .header-inner,
  .page,
  .site-footer {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .site-nav {
    gap: 14px;
  }

  h1 {
    font-size: 1.9rem;
  }

  .section {
    padding: 32px 0;
  }
}