.navbar{background:transparent !important;backdrop-filter:none;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);border-bottom:none;position:fixed !important;top:0 !important;left:0 !important;right:0 !important;z-index:1050 !important;transform:translateY(0)}.navbar.header-visible,nav.navbar.header-visible,.navbar.navbar-expand-lg.header-visible{transform:translateY(0) !important;background:rgba(255,255,255,0.95) !important;backdrop-filter:blur(10px) !important;border-bottom:1px solid rgba(0,0,0,0.1) !important;box-shadow:0 2px 10px rgba(0,0,0,0.1) !important;opacity:1 !important;visibility:visible !important;display:block !important;position:fixed !important;top:0 !important;z-index:1050 !important}.navbar.header-hidden,nav.navbar.header-hidden,.navbar.navbar-expand-lg.header-hidden{transform:translateY(-100%) !important;background:transparent !important;opacity:0 !important;visibility:hidden !important}.navbar.navbar-transparent{background:transparent !important;backdrop-filter:none;border-bottom:none;box-shadow:none}.navbar-brand img{transition:all 0.3s ease;height:40px;width:auto}.navbar-transparent .nav-link{color:rgba(255,255,255,0.9) !important;font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,0.3);transition:all 0.3s ease}.navbar-transparent .nav-link:hover{color:#ffffff !important;text-shadow:0 2px 4px rgba(0,0,0,0.4)}.navbar-transparent .nav-link.active{color:#ffffff !important;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,0.5)}.navbar.header-visible .nav-link{color:#212529 !important;font-weight:500;text-shadow:none;transition:all 0.3s ease}.navbar.header-visible .nav-link:hover{color:#0078d4 !important}.navbar.header-visible .nav-link.active{color:#0078d4 !important;font-weight:600}.navbar-transparent .dropdown-menu{background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);box-shadow:0 4px 20px rgba(0,0,0,0.2)}.navbar.header-visible .dropdown-menu{background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);border:1px solid rgba(0,0,0,0.1);box-shadow:0 4px 20px rgba(0,0,0,0.15)}.dropdown-item{transition:all 0.2s ease}.dropdown-item:hover{background:rgba(0,120,212,0.1);color:#0078d4}.navbar-transparent .btn-outline-primary{border-color:rgba(255,255,255,0.5);color:rgba(255,255,255,0.9);background:rgba(255,255,255,0.1);backdrop-filter:blur(10px)}.navbar-transparent .btn-outline-primary:hover{border-color:rgba(255,255,255,0.8);color:#ffffff;background:rgba(255,255,255,0.2)}.navbar.header-visible .btn-outline-primary{border-color:#0078d4;color:#0078d4;background:transparent}.navbar.header-visible .btn-outline-primary:hover{border-color:#0078d4;color:#ffffff;background:#0078d4}.navbar-transparent .navbar-toggler{border-color:rgba(255,255,255,0.5)}.navbar-transparent .navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}.navbar-scrolled .navbar-toggler{border-color:rgba(0,0,0,0.1)}.navbar-scrolled .navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833,37,41,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}.navbar-transparent .language-selector .btn{border-color:rgba(255,255,255,0.3);color:rgba(255,255,255,0.9);background:rgba(255,255,255,0.1)}.navbar-transparent .language-selector .btn:hover{border-color:rgba(255,255,255,0.6);color:#ffffff;background:rgba(255,255,255,0.2)}.navbar-scrolled .language-selector .btn{border-color:#0078d4;color:#0078d4;background:transparent}.navbar-scrolled .language-selector .btn:hover{border-color:#0078d4;color:#ffffff;background:#0078d4}.navbar-transparent .theme-toggle-header .btn{border-color:rgba(255,255,255,0.3);color:rgba(255,255,255,0.9);background:rgba(255,255,255,0.1)}.navbar-transparent .theme-toggle-header .btn:hover{border-color:rgba(255,255,255,0.6);color:#ffffff;background:rgba(255,255,255,0.2)}.navbar.header-visible .theme-toggle-header .btn{border-color:#0078d4;color:#0078d4;background:transparent}.navbar.header-visible .theme-toggle-header .btn:hover{border-color:#0078d4;color:#ffffff;background:#0078d4}.navbar *{transition:all 0.3s ease}[data-theme="dark"] .navbar-scrolled{background:rgba(30,30,30,0.95) !important;border-bottom-color:rgba(255,255,255,0.1);box-shadow:0 2px 10px rgba(0,0,0,0.3)}[data-theme="dark"] .navbar-scrolled .nav-link{color:#ffffff !important}[data-theme="dark"] .navbar-scrolled .nav-link:hover,[data-theme="dark"] .navbar-scrolled .nav-link.active{color:#4fc3f7 !important}[data-theme="dark"] .navbar-scrolled .dropdown-menu{background:rgba(30,30,30,0.98);border-color:rgba(255,255,255,0.1)}[data-theme="dark"] .navbar-scrolled .btn-outline-primary{border-color:#4fc3f7;color:#4fc3f7}[data-theme="dark"] .navbar-scrolled .btn-outline-primary:hover{background:#4fc3f7;color:#000000}@media (max-width:991px){.navbar-transparent,.navbar-scrolled{background:rgba(255,255,255,0.95) !important;backdrop-filter:blur(10px)}.navbar-transparent .nav-link{color:#212529 !important;text-shadow:none}.navbar-transparent .nav-link:hover,.navbar-transparent .nav-link.active{color:#0078d4 !important}[data-theme="dark"] .navbar-transparent,[data-theme="dark"] .navbar-scrolled{background:rgba(30,30,30,0.95) !important}[data-theme="dark"] .navbar-transparent .nav-link{color:#ffffff !important}}@media (prefers-contrast:high){.navbar-transparent{background:rgba(0,0,0,0.8) !important}.navbar-transparent .nav-link{color:#ffffff !important;text-shadow:none}.navbar-scrolled{background:#ffffff !important;border-bottom:2px solid #000000}.navbar-scrolled .nav-link{color:#000000 !important}}@media (prefers-reduced-motion:reduce){.navbar,.navbar *,.navbar-brand img{transition:none !important}}