.kgb-navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
}

.kgb-navbar__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 4.6866vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kgb-navbar__brand { display: flex; align-items: center; }
.kgb-navbar__brand img { max-height: var(--space-7); width: auto; display: block; }
.kgb-navbar__brand-text {
    font-family: var(--font-display), serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.2888vw;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.kgb-navbar__links ul {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.kgb-navbar__links li { display: flex; }
.kgb-navbar__links a {
    font-family: var(--font-body), serif;
  font-size: var(--fs-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.kgb-navbar__links a:hover { color: var(--accent-hover); }

.kgb-navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.kgb-navbar__cta { padding: var(--space-3) var(--space-5); font-size: 0.8787vw; }

.kgb-lang-switcher { position: relative; }
.kgb-lang-switcher__toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  color: var(--text-primary);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  line-height: 1;
}
.kgb-lang-switcher__toggle:hover { border-color: var(--border-strong); color: var(--accent-hover); }
.kgb-lang-switcher__toggle svg { transition: transform var(--dur-fast) var(--ease-standard); }
.kgb-lang-switcher.is-open .kgb-lang-switcher__toggle svg { transform: rotate(180deg); }

.kgb-lang-switcher__panel {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 9.5rem;
  list-style: none;
  margin: 0;
  padding: var(--space-1) 0;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard), visibility 0s linear var(--dur-fast);
  z-index: 30;
}
.kgb-lang-switcher.is-open .kgb-lang-switcher__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard);
}
.kgb-lang-switcher__option {
  display: block;
  padding: var(--space-2) var(--space-4);
  color: var(--text-primary);
  font-size: var(--fs-body-sm);
  white-space: nowrap;
}
.kgb-lang-switcher__option:hover { background: var(--surface-subtle); color: var(--accent-hover); }
.kgb-lang-switcher__option.is-current { font-weight: var(--fw-bold); color: var(--accent-hover); }

@media (prefers-reduced-motion: reduce) {
  .kgb-lang-switcher__panel,
  .kgb-lang-switcher__toggle svg { transition: none; }
}

.kgb-navbar__burger {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--black);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.kgb-navbar__burger span { width: 18px; height: 2px; background: var(--white); display: block; }

.kgb-navbar__mobile {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  transition: grid-template-rows 280ms var(--ease-standard), opacity 220ms var(--ease-standard), visibility 0s linear 280ms;
}
.kgb-navbar__mobile.is-open {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
  transition: grid-template-rows 280ms var(--ease-standard), opacity 220ms var(--ease-standard);
}
.kgb-navbar__mobile ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--white);
  overflow: hidden;
  min-height: 0;
}
@media (prefers-reduced-motion: reduce) {
  .kgb-navbar__mobile { transition: none; }
}
.kgb-navbar__mobile a {
    font-family: var(--font-body), serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  padding: 16px var(--gutter);
  border-bottom: 1px solid var(--border-subtle);
  display: block;
}

@media (max-width: 1024px) {
  .kgb-navbar__inner { height: clamp(64px, calc(54.7550px + 2.4653vw), 80px); }
  .kgb-navbar__cta { font-size: clamp(14px, calc(13.4222px + 0.1541vw), 15px); }
  .kgb-navbar__brand-text { font-size: clamp(18px, calc(15.6888px + 0.6163vw), 22px); }
  .kgb-navbar__brand img { max-height: 40px; }
}

@media (max-width: 768px) {
  .kgb-navbar__links,
  .kgb-navbar__cta {
    display: none;
  }
  .kgb-navbar__burger { display: flex; }
}