.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  background: #fff;
  color: #071016;
  transform: translateY(-160%);
  transition: transform .15s ease;
}

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

.topbar {
  min-height: 108px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 16px; }
.brand img { width: 96px; height: auto; padding: 6px; }
.brand-name { font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.brand-sub { margin-top: 3px; color: var(--muted); font-size: 10px; letter-spacing: .2em; }
.nav-wrap { display: flex; align-items: center; gap: 28px; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { display: inline-flex; min-height: 44px; align-items: center; color: #c6cdd3; font-size: 14px; transition: color .2s ease; }
.nav a:hover, .nav a:focus-visible { color: var(--sky); }
.nav .contact-link { padding: 13px 18px; border: 1px solid #5c6b77; color: var(--paper); }
.language-switch { display: flex; border: 1px solid #5c6b77; }
.language-switch button { width: 44px; min-height: 44px; padding: 0; border: 0; background: transparent; color: #8f9ba5; font: 500 11px/1 Consolas, "Courier New", monospace; letter-spacing: .08em; cursor: pointer; }
.language-switch button + button { border-left: 1px solid #5c6b77; }
.language-switch button:hover, .language-switch button:focus-visible { color: var(--paper); }
.language-switch button:focus-visible { position: relative; }
.language-switch button[aria-pressed="true"] { background: var(--paper); color: var(--ink); }

@media (max-width: 900px) {
  .topbar { min-height: 90px; }
  .nav-wrap { gap: 12px; }
  .nav a:not(.contact-link) { display: none; }
}

@media (max-width: 600px) {
  .brand img { width: 58px; padding: 4px; }
  .brand-name { font-size: 17px; }
  .brand-sub { display: none; }
  .nav { display: none; }
  .language-switch button { width: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .skip-link, .nav a { transition: none; }
}