.topbar {
  position: static;
  border-bottom: 1px solid color-mix(in srgb, var(--c-border) 70%, transparent);
  background: color-mix(in srgb, var(--c-surface) 70%, transparent);
}

.topbar__inner {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
  min-width: 0;
}

.topbar__right {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-10);
}

.topbar__brand,
.topbar__link,
.langSwitch__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  text-decoration: none;
  min-width: 0;
  padding: 0 var(--space-6);
  height: 1.9rem;
  border-radius: 0;
  border: 1px solid transparent;
  background: transparent;
  color: var(--c-text-2);
  cursor: pointer;
  transition: transform var(--dur-180) var(--ease-out), color var(--dur-180) var(--ease-out);
}

.topbar__brand::after,
.topbar__link::after,
.langSwitch__btn::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.2rem;
  height: 2px;
  width: calc(100% - (var(--space-6) * 2));
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  background: linear-gradient(90deg, transparent, var(--c-primary), transparent);
  opacity: 0.95;
  transition: transform var(--dur-240) var(--ease-out);
  pointer-events: none;
}

.topbar__brand:hover,
.topbar__link:hover,
.langSwitch__btn:hover {
  transform: translateY(-1px);
  color: var(--c-text);
}

.topbar__brand:hover::after,
.topbar__link:hover::after,
.langSwitch__btn:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.topbar__brand:focus-visible,
.topbar__link:focus-visible,
.langSwitch__btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.topbar__brandDot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--g-primary);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--c-primary) 20%, transparent);
  flex: 0 0 auto;
}

.topbar__brandText {
  font-family: var(--font-secondary);
  font-size: var(--fs-small);
  font-weight: var(--fw-700);
  letter-spacing: var(--tracking-wide);
  color: currentColor;
  white-space: nowrap;
}

.topbar__link {
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: var(--fw-700);
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
}

.topbar__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  height: 1.55rem;
  background: transparent;
  color: var(--c-link);
  flex: 0 0 auto;
  margin-bottom: 5px;
}

.langSwitch {
  position: relative;
}

.langSwitch__flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-pill);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--c-primary) 18%, var(--c-border));
  background: color-mix(in srgb, var(--c-primary) 6%, var(--c-surface));
}

.langSwitch__label {
  color: currentColor;
  white-space: nowrap;
  font-family: var(--font-primary);
  font-size: var(--fs-small);
  font-weight: var(--fw-700);
  letter-spacing: var(--tracking-wide);
}

.langSwitch__chev {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: color-mix(in srgb, var(--c-text-2) 86%, transparent);
  transition: transform var(--dur-180) var(--ease-out);
}

.langSwitch__menu {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-10));
  width: 14.5rem;
  border-radius: var(--radius-18);
  border: 1px solid color-mix(in srgb, var(--c-border-2) 78%, transparent);
  background: color-mix(in srgb, var(--c-surface) 96%, transparent);
  box-shadow: var(--shadow-1);
  padding: var(--space-10);
  display: none;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--dur-180) var(--ease-out), transform var(--dur-180) var(--ease-out);
  z-index: var(--z-modal);
}

.langSwitch.is-open .langSwitch__menu {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.langSwitch.is-open .langSwitch__chev {
  transform: rotate(180deg);
}

.langSwitch__item {
  display: flex;
  align-items: center;
  gap: var(--space-10);
  padding: var(--space-10) var(--space-12);
  border-radius: var(--radius-14);
  text-decoration: none;
  color: var(--c-text-2);
  border: 1px solid transparent;
  transition: background var(--dur-180) var(--ease-out), border-color var(--dur-180) var(--ease-out), transform var(--dur-180) var(--ease-out), color var(--dur-180) var(--ease-out);
}

.langSwitch__item + .langSwitch__item {
  margin-top: var(--space-8);
}

.langSwitch__itemFlag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-pill);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--c-primary) 18%, var(--c-border));
  background: color-mix(in srgb, var(--c-primary) 6%, var(--c-surface));
  flex: 0 0 auto;
}

.langSwitch__item:hover {
  transform: translateY(-1px);
  color: var(--c-text);
  background: color-mix(in srgb, var(--c-primary) 7%, var(--c-surface));
  border-color: color-mix(in srgb, var(--c-primary) 22%, var(--c-border));
}

.langSwitch__item.is-active {
  color: var(--c-text);
  background: color-mix(in srgb, var(--c-primary) 10%, var(--c-surface));
  border-color: color-mix(in srgb, var(--c-primary) 28%, var(--c-border));
}

.langSwitch__tick {
  margin-left: auto;
  color: var(--c-link);
}

@media (max-width: 768px) {
  .topbar__right {
    gap: var(--space-8);
  }

  .langSwitch__label:not(.langSwitch__label_main) {
    display: none;
  }
}

@media (hover: none) and (pointer: coarse) {
  .topbar__brand,
  .topbar__link,
  .langSwitch__btn,
  .langSwitch__item {
    transition: none;
  }

  .topbar__brand:hover,
  .topbar__link:hover,
  .langSwitch__btn:hover,
  .langSwitch__item:hover {
    transform: none;
    box-shadow: none;
  }

  .topbar__brand::after,
  .topbar__link::after,
  .langSwitch__btn::after {
    transition: none;
  }
}