.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 99999;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition-base);
  animation: navbarSlideDown 0.6s ease-out;
}
.navbar--scrolled { box-shadow: 0 1px 20px rgba(0,0,0,0.08); }
@keyframes navbarSlideDown { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.navbar__inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 72px; padding: 0 40px; }

/* Logo */
.navbar__logo { display: flex; align-items: center; flex-shrink: 0; }
.navbar__logo img { height: 36px; width: auto; }

/* Menu */
.navbar__menu { display: flex; list-style: none; gap: 4px; align-items: center; }
.navbar__menu-item { position: relative; }

.navbar__menu-btn {
  display: flex; align-items: center; gap: 6px; padding: 8px 16px; background: none;
  color: #1a1a2e; font-size: 14px; font-weight: 500; letter-spacing: 0.02em;
  transition: color var(--transition-base); position: relative;
}
.navbar__menu-btn::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; width: 0; height: 2px;
  background: var(--color-cyan); transition: all var(--transition-smooth); transform: translateX(-50%); border-radius: 1px;
}
.navbar__menu-btn:hover { color: var(--color-deep-blue); }
.navbar__menu-btn:hover::after { width: 60%; }

/* Top-level menu link (non-dropdown) */
.navbar__menu-link {
  display: flex; align-items: center; padding: 8px 18px;
  color: #1a1a2e; font-size: 14px; font-weight: 500;
  text-decoration: none; letter-spacing: 0.02em;
  transition: color var(--transition-base); position: relative;
}
.navbar__menu-link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; width: 0; height: 2px;
  background: var(--color-cyan); transition: all var(--transition-smooth); transform: translateX(-50%); border-radius: 1px;
}
.navbar__menu-link:hover { color: var(--color-deep-blue); }
.navbar__menu-link:hover::after { width: 60%; }

.navbar__arrow { transition: transform var(--transition-base); color: #999; }
.navbar__arrow--open { transform: rotate(180deg); }

/* Dropdown */
.navbar__dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  background: #fff; border-radius: 12px; padding: 8px; min-width: 220px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.12); opacity: 0; visibility: hidden;
  transition: all 0.25s cubic-bezier(0.25,1,0.5,1); pointer-events: none;
}
.navbar__dropdown--open { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); pointer-events: auto; }

.navbar__dropdown-item {
  display: block; padding: 10px 16px; color: #333; font-size: 14px; border-radius: 8px; transition: all 0.15s ease;
}
.navbar__dropdown-item:hover { background: #f0f4ff; color: var(--color-deep-blue); }

/* Right Actions */
.navbar__actions { display: flex; align-items: center; gap: 8px; }

/* Language Switcher */
.navbar__lang { position: relative; }
.navbar__lang-btn {
  display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  border-radius: 50%; background: none; color: #555; transition: all var(--transition-base);
}
.navbar__lang-btn:hover { background: #f0f0f0; color: var(--color-deep-blue); }
.navbar__lang-list {
  position: absolute; top: calc(100% + 8px); right: 0; background: #fff; border-radius: 12px;
  padding: 6px; min-width: 200px; box-shadow: 0 10px 40px rgba(0,0,0,0.12);
  opacity: 0; visibility: hidden; transform: translateY(-4px); transition: all 0.2s ease; pointer-events: none;
}
.navbar__lang-list--open { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.navbar__lang-option {
  display: block; width: 100%; text-align: left; padding: 10px 14px; background: none;
  color: #333; font-size: 13px; border-radius: 8px; transition: all 0.15s ease; text-decoration: none;
}
.navbar__lang-option:hover { background: #f0f4ff; }
.navbar__lang-option--active { color: var(--color-cyan); font-weight: 600; }

/* CTA Button */
.navbar__cta {
  display: inline-flex; align-items: center; padding: 10px 24px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-tech-green));
  color: #fff; font-size: 13px; font-weight: 600; border-radius: 8px; letter-spacing: 0.03em;
  transition: all var(--transition-smooth); position: relative; overflow: hidden; text-decoration: none; white-space: nowrap;
}
.navbar__cta::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s ease;
}
.navbar__cta:hover { transform: scale(1.02); box-shadow: 0 0 24px rgba(0,229,255,0.4), 0 0 48px rgba(0,255,157,0.2); }
.navbar__cta:hover::before { left: 100%; }
.navbar__cta:active { transform: scale(0.96); }

/* Hamburger */
.navbar__hamburger { display: none; flex-direction: column; gap: 5px; padding: 12px; background: none; cursor: pointer; min-width: 44px; min-height: 44px; justify-content: center; align-items: center; }
.navbar__hamburger-line { width: 22px; height: 2px; background: #333; border-radius: 2px; transition: all var(--transition-base); }

/* Mobile Menu */
.navbar__mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
  background: #fff; padding: 24px 20px; overflow-y: auto; overflow-x: hidden; 
  transform: translateX(100%); transition: transform var(--transition-base);
  z-index: 99999; isolation: isolate; backface-visibility: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.navbar__mobile-menu--open { 
  transform: translateX(0);
  visibility: visible !important; 
  opacity: 1 !important;
}
.navbar__mobile-section { margin-bottom: 16px; }
.navbar__mobile-title { font-weight: 600; color: #1a1a2e; font-size: 15px; margin-bottom: 8px; padding: 10px 12px 6px; }
.navbar__mobile-link { display: block; padding: 10px 16px; color: #555; font-size: 14px; min-height: 44px; line-height: 1.4; }
.navbar__mobile-actions { margin-top: 24px; }
.navbar__mobile-actions .navbar__cta { display: block; text-align: center; padding: 14px; }

/* Responsive */
@media (max-width: 1024px) {
  .navbar__menu { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__mobile-menu { display: block; }
  .navbar__inner { padding: 0 20px; }
}
@media (max-width: 768px) {
  .navbar__cta { display: none; }
  .navbar__mobile-actions .navbar__cta { display: block; }
}