:root {
  --text: #2b2b3a;
  --muted: #6b6b76;
  --line: #e5e5e5;
  --bg: #ffffff;
  --link: #3899ec;
  --link-hover: #2072b8;
  --sidebar-w: 320px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

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

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

.layout {
  display: flex;
  gap: 56px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  flex-shrink: 0;
  padding: 80px 0 40px 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.profile-row {
  display: flex;
  gap: 56px;
  align-items: flex-start;
}

.profile-photo-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 220px;
  flex-shrink: 0;
}

.sidebar .name {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.15;
}

.sidebar .name a {
  color: var(--text);
  text-decoration: none;
}

.sidebar .role {
  font-size: 16px;
  color: var(--muted);
  margin: 0 0 4px 0;
}

.sidebar .role-block {
  margin-bottom: 4px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar nav a {
  font-size: 19px;
  color: var(--link);
  text-decoration: underline;
}

.sidebar nav a.active {
  font-weight: 700;
}

.sidebar nav a:hover {
  color: var(--link-hover);
}

.sidebar .photo {
  width: 220px;
  height: 220px;
  border-radius: 0;
  overflow: hidden;
  background: #f0f0f0;
}

.sidebar .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

/* Main content */
main {
  flex: 1;
  max-width: 600px;
  padding: 80px 0 64px 0;
}

main h1 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 28px 0;
  letter-spacing: -0.01em;
}

main p {
  margin: 0 0 18px 0;
  max-width: 640px;
}

.lang-block {
  margin-bottom: 40px;
}

.lang-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 12px 0;
}

.cv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cv-list a {
  font-size: 16px;
}

.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 720px;
}

.pub-list li {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.pub-list li:last-child {
  border-bottom: none;
}

.pub-meta {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
}

.contact-block {
  margin-bottom: 28px;
}

.contact-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 6px 0;
}

.contact-value {
  font-size: 16px;
  margin: 0;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

footer.site-footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 40px 40px 40px;
  font-size: 13px;
  color: var(--muted);
}

/* Mobile */
@media (max-width: 720px) {
  .layout {
    flex-direction: column;
    padding: 0 24px;
  }
  .sidebar {
    padding: 40px 0 24px 0;
  }
  .profile-row {
    flex-direction: column;
    gap: 24px;
  }
  main {
    padding: 32px 0 48px 0;
  }
  footer.site-footer {
    padding: 24px;
  }
}