.site-header {
  width: min(100% - 2rem, var(--max));
  margin: 0;
  padding: 0.88rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(23, 49, 64, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: fixed;
  top: 0.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
}

body.light .site-header {
  background: rgba(255, 255, 255, 0.86);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
  text-decoration: none;
}

.logo span {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.profile-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(173, 227, 232, 0.55);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.28);
}

body {
  padding-top: 6.15rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.34rem 0.5rem;
  border-radius: 8px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.cv-btn,
#themeToggle,
.hamburger {
  display: inline-flex;
  align-items: center;
  gap: 0.26rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0.45rem 0.72rem;
  font-weight: 600;
  font-size: 0.81rem;
}

.site-header .material-symbols-rounded {
  font-size: 1rem;
  line-height: 1;
}

.cv-btn {
  text-decoration: none;
  border: none;
  color: #f4ffff;
  background: linear-gradient(120deg, var(--primary), var(--secondary));
}

#themeToggle,
.hamburger {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.hamburger {
  display: none;
}

.nav-links a:focus-visible,
.cv-btn:focus-visible,
#themeToggle:focus-visible,
#hamburger:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (max-width: 920px) {
  .site-header {
    width: calc(100% - 1rem);
    top: 0.4rem;
  }

  body {
    padding-top: 5.65rem;
  }

  .hamburger {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(24, 49, 63, 0.96);
    max-height: 70vh;
    overflow: auto;
  }

  body.light .nav-links {
    background: rgba(255, 255, 255, 0.96);
  }

  .nav-links.show {
    display: flex;
  }

  .nav-links a {
    padding: 0.6rem;
  }

  .cv-btn {
    display: none;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding: 0.72rem 0.7rem;
  }

  .logo {
    font-size: 0.92rem;
    gap: 0.45rem;
  }

  .logo span {
    max-width: 130px;
  }

  .profile-avatar {
    width: 30px;
    height: 30px;
  }

  #themeToggle,
  .hamburger {
    padding: 0.38rem 0.58rem;
    font-size: 0.75rem;
  }
}