.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
}

.navbar--transparent {
  background: transparent;
}

.navbar--solid {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.navbar__container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__brand {
  display: flex;
  align-items: center;
  z-index: var(--z-fixed);
}

.navbar__logo {
  height: 40px;
  width: auto;
  transition: height var(--transition-base), filter var(--transition-base);
}

.navbar--transparent .navbar__logo {
  filter: brightness(0) invert(1);
}

.navbar--solid .navbar__logo {
  height: 36px;
  filter: none;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  position: fixed;
  top: 0;
  height: var(--navbar-height);
  left: 50%;
  transform: translateX(-50%);
  z-index: calc(var(--z-fixed) + 1);
}

.navbar__link {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar--solid .navbar__link,
.navbar--solid ~ .navbar__menu .navbar__link {
  color: var(--color-text);
}

.navbar__link:hover,
.navbar__link--active {
  color: var(--color-white);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

.navbar--solid .navbar__link:hover,
.navbar--solid .navbar__link--active,
.navbar--solid ~ .navbar__menu .navbar__link:hover,
.navbar--solid ~ .navbar__menu .navbar__link--active {
  color: var(--color-primary);
  text-shadow: none;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--color-white);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.navbar--solid .navbar__link::after,
.navbar--solid ~ .navbar__menu .navbar__link::after {
  background: var(--color-primary);
}

.navbar__link:hover::after,
.navbar__link--active::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar__lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.navbar--solid .navbar__lang-toggle {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-gray-50);
}

.navbar__lang-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
}

.navbar--solid .navbar__lang-toggle:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.navbar__cta {
  padding: var(--space-2) var(--space-5);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.navbar__cta:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  z-index: var(--z-fixed);
  cursor: pointer;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar--solid .navbar__hamburger span {
  background: var(--color-text);
}

.navbar__hamburger--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger--active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__hamburger--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.navbar__menu__close {
  display: none;
}

@keyframes mobileMenuItemUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  .navbar__hamburger {
    display: flex;
  }

  .navbar__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: auto;
    transform: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-3);
    background: rgba(13, 17, 23, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    z-index: calc(var(--z-fixed) + 1);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .navbar__menu--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .navbar__menu--open .navbar__link {
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--color-white);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-lg);
    opacity: 0;
    animation: mobileMenuItemUp 0.4s ease forwards;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .navbar--solid ~ .navbar__menu--open .navbar__link {
    color: var(--color-white);
  }

  .navbar__menu--open .navbar__link:nth-child(2) { animation-delay: 0.05s; }
  .navbar__menu--open .navbar__link:nth-child(3) { animation-delay: 0.1s; }
  .navbar__menu--open .navbar__link:nth-child(4) { animation-delay: 0.15s; }
  .navbar__menu--open .navbar__link:nth-child(5) { animation-delay: 0.2s; }
  .navbar__menu--open .navbar__link:nth-child(6) { animation-delay: 0.25s; }
  .navbar__menu--open .navbar__link:nth-child(7) { animation-delay: 0.3s; }

  .navbar__menu--open .navbar__link:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-white);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  }

  .navbar__menu--open .navbar__link--active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  }

  .navbar--solid ~ .navbar__menu--open .navbar__link:hover,
  .navbar--solid ~ .navbar__menu--open .navbar__link--active {
    color: var(--color-primary-light);
    text-shadow: none;
  }

  .navbar__menu--open .navbar__link::after {
    display: none;
  }

  .navbar__menu__close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    transition: all 0.25s ease;
    z-index: calc(var(--z-fixed) + 2);
    opacity: 0;
    animation: mobileMenuItemUp 0.35s ease 0.05s forwards;
  }

  .navbar__menu__close:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
  }

  .navbar__actions {
    position: static;
    transform: none;
  }
}

@media (max-width: 576px) {
  .navbar__cta {
    display: none;
  }

  .navbar__lang-toggle {
    padding: var(--space-1) var(--space-2);
    font-size: 0.65rem;
  }

  .navbar__container {
    padding: 0 var(--space-4);
  }
}