:root{--nav-height:80px;--nav-height-mobile:70px;--nav-height-small:60px;--nav-transition:0.35s cubic-bezier(0.4, 0, 0.2, 1);--menu-transition:0.4s cubic-bezier(0.4, 0, 0.2, 1)}.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:0 80px;height:var(--nav-height);display:flex;align-items:center;justify-content:space-between;transition:background var(--nav-transition),box-shadow var(--nav-transition),backdrop-filter var(--nav-transition);background:transparent;backdrop-filter:none;box-shadow:none}.nav.scrolled{background:rgba(255,255,255,.98);backdrop-filter:blur(20px);box-shadow:0 2px 40px rgba(30,80,230,.1)}.nav.menu-open{background:transparent!important;backdrop-filter:none!important;box-shadow:none!important}.nav-logo{display:flex;align-items:center;gap:12px;text-decoration:none;position:relative;z-index:1}.nav-logo img{height:auto;display:block;transition:opacity var(--nav-transition)}@media (min-width:769px){.nav-logo .logo-mobile,.nav-logo .logo-mobile-light,.nav-logo .logo-mobile-dark{display:none!important}.nav-logo .logo-light{display:block}.nav-logo .logo-dark{display:none}.nav.scrolled .nav-logo .logo-light{display:none}.nav.scrolled .nav-logo .logo-dark{display:block}.nav.solid .nav-logo .logo-light{display:none}.nav.solid .nav-logo .logo-dark{display:block}}@media (max-width:768px){.nav-logo .logo-desktop,.nav-logo .logo-light.logo-desktop,.nav-logo .logo-dark.logo-desktop{display:none!important}.nav-logo .logo-mobile-light{display:block}.nav-logo .logo-mobile-dark{display:none}.nav.scrolled .nav-logo .logo-mobile-light{display:none}.nav.scrolled .nav-logo .logo-mobile-dark{display:block}.nav.menu-open .nav-logo .logo-mobile-light{display:block!important}.nav.menu-open .nav-logo .logo-mobile-dark{display:none!important}.nav.solid .nav-logo .logo-mobile-light{display:none}.nav.solid .nav-logo .logo-mobile-dark{display:block}.nav.solid.menu-open .nav-logo .logo-mobile-light{display:block!important}.nav.solid.menu-open .nav-logo .logo-mobile-dark{display:none!important}}.nav-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,#1e50e6,#25bdff);border-radius:6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700;flex-shrink:0}.nav-logo-text{font-family:'Oswald',sans-serif;font-size:24px;font-weight:700;color:var(--white);letter-spacing:.1em;transition:color var(--nav-transition)}.nav.scrolled .nav-logo-text,.nav.solid .nav-logo-text{color:var(--dark-blue)}.nav.menu-open .nav-logo-text{color:var(--white)!important}.nav-menu{display:flex;align-items:center;gap:40px;list-style:none;margin:0;padding:0}.nav-menu>li{position:relative}.nav-link{font-size:13px;font-weight:500;color:var(--white);text-decoration:none;text-transform:uppercase;letter-spacing:.08em;transition:color 0.3s ease;position:relative;display:flex;align-items:center;gap:6px}.nav-link::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--gradient-bright);transition:width 0.3s ease}.nav-link:hover::after,.nav-link.active::after{width:100%}.nav.scrolled .nav-link,.nav.solid .nav-link{color:var(--gray-800)}.nav.scrolled .nav-link:hover,.nav.solid .nav-link:hover{color:var(--electric-blue)}.nav-link .dropdown-arrow{width:10px;height:10px;stroke:currentColor;stroke-width:2;fill:none;transition:transform 0.3s ease}.nav-menu>li:hover .dropdown-arrow,.nav-menu>li.keyboard-open .dropdown-arrow{transform:rotate(180deg)}.nav-menu .sub-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(10px);min-width:160px;background:var(--white);border-radius:8px;padding:8px;opacity:0;visibility:hidden;transition:all 0.3s ease;box-shadow:0 10px 40px rgba(0,0,0,.12);z-index:1001;list-style:none;margin:0}.nav-menu .sub-menu::before{content:'';position:absolute;top:-15px;left:0;right:0;height:15px}.nav-menu>li:hover>.sub-menu,.nav-menu>li.keyboard-open>.sub-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.nav-menu .sub-menu .sub-menu-link{display:block;padding:10px 16px;font-size:14px;font-weight:400;color:var(--gray-700);text-decoration:none;transition:all 0.2s ease;border-radius:4px;white-space:nowrap}.nav-menu .sub-menu .sub-menu-link:hover,.nav-menu .sub-menu .sub-menu-link.active{color:var(--electric-blue);background:var(--gray-50)}.nav-actions{display:flex;align-items:center;gap:16px}.nav-cta{padding:12px 28px;background:transparent;border:1px solid rgba(255,255,255,.4);color:var(--white);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;cursor:pointer;transition:all 0.3s ease;text-decoration:none;border-radius:4px}.nav-cta:hover{background:var(--white);color:var(--dark-blue);border-color:var(--white)}.nav.scrolled .nav-cta,.nav.solid .nav-cta{background:var(--electric-blue);color:var(--white);border-color:var(--electric-blue)}.nav.scrolled .nav-cta:hover,.nav.solid .nav-cta:hover{background:#1a44c4;border-color:#1a44c4}.nav.scrolled[data-cta-style-scrolled="outline"] .nav-cta,.nav.solid[data-cta-style="outline"] .nav-cta{background:transparent;border:2px solid var(--electric-blue);color:var(--electric-blue)}.nav.scrolled[data-cta-style-scrolled="outline"] .nav-cta:hover,.nav.solid[data-cta-style="outline"] .nav-cta:hover{background:var(--electric-blue);color:var(--white)}.nav[data-cta-style="gradient"] .nav-cta,.nav.scrolled[data-cta-style-scrolled="gradient"] .nav-cta{background:linear-gradient(135deg,var(--electric-blue),var(--cyan-glow));border:none;color:var(--white)}.lang-switcher{position:relative}.lang-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:50%;cursor:pointer;transition:all 0.3s ease}.lang-btn svg{width:18px;height:18px;stroke:var(--white);stroke-width:1.5;fill:none;transition:stroke 0.3s ease}.lang-btn:hover{background:rgba(255,255,255,.2)}.nav.scrolled .lang-btn,.nav.solid .lang-btn{background:var(--gray-100);border-color:var(--gray-200)}.nav.scrolled .lang-btn svg,.nav.solid .lang-btn svg{stroke:var(--gray-600)}.nav.scrolled .lang-btn:hover,.nav.solid .lang-btn:hover{background:var(--electric-blue);border-color:var(--electric-blue)}.nav.scrolled .lang-btn:hover svg,.nav.solid .lang-btn:hover svg{stroke:var(--white)}.nav.menu-open .lang-btn{background:rgba(255,255,255,.1)!important;border-color:rgba(255,255,255,.2)!important}.nav.menu-open .lang-btn svg{stroke:var(--white)!important}.lang-dropdown{position:absolute;top:calc(100% + 10px);right:0;min-width:140px;background:var(--white);border-radius:10px;padding:8px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.3s ease;box-shadow:0 10px 40px rgba(0,0,0,.15);z-index:100}.lang-switcher:hover .lang-dropdown,.lang-switcher.active .lang-dropdown{opacity:1;visibility:visible;transform:translateY(0)}.lang-option{display:block;padding:10px 14px;font-size:13px;color:var(--gray-600);border-radius:6px;text-decoration:none;transition:all 0.2s ease;cursor:pointer}.lang-option:hover{background:var(--gray-100);color:var(--gray-800)}.lang-option.active{color:var(--electric-blue);font-weight:500}.lang-option-notice{display:block;padding:12px 14px;font-size:12px;color:var(--gray-500);text-align:center;white-space:nowrap}.nav-mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;position:relative;z-index:1}.nav-mobile-toggle span{width:24px;height:2px;background:var(--white);transition:all 0.3s ease;display:block}.nav.scrolled .nav-mobile-toggle span,.nav.solid .nav-mobile-toggle span{background:var(--dark-blue)}.nav.menu-open .nav-mobile-toggle span{background:var(--white)!important}.nav-mobile-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-mobile-toggle.active span:nth-child(2){opacity:0}.nav-mobile-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100vh;height:100dvh;background:linear-gradient(135deg,var(--dark-blue) 0%,var(--darker-blue) 100%);z-index:900;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:var(--nav-height-mobile) 20px 40px;box-sizing:border-box;opacity:0;visibility:hidden;transform:translateY(-100%);transition:opacity var(--menu-transition),visibility var(--menu-transition),transform var(--menu-transition)}.mobile-menu.active{opacity:1;visibility:visible;transform:translateY(0)}.mobile-nav-list{list-style:none;text-align:center;margin:0;padding:0;width:100%;max-width:400px}.mobile-nav-list>li{position:relative;border-bottom:1px solid rgba(255,255,255,.1)}.mobile-nav-list>li:last-child{border-bottom:none}.mobile-nav-link{display:block;font-size:20px;font-weight:400;color:var(--white);letter-spacing:.05em;padding:18px 0;text-decoration:none;transition:color 0.3s ease,transform 0.3s ease;opacity:0;transform:translateY(20px)}.mobile-menu.active .mobile-nav-link{opacity:1;transform:translateY(0)}.mobile-menu.active .mobile-nav-list>li:nth-child(1) .mobile-nav-link{transition-delay:0.1s}.mobile-menu.active .mobile-nav-list>li:nth-child(2) .mobile-nav-link{transition-delay:0.15s}.mobile-menu.active .mobile-nav-list>li:nth-child(3) .mobile-nav-link{transition-delay:0.2s}.mobile-menu.active .mobile-nav-list>li:nth-child(4) .mobile-nav-link{transition-delay:0.25s}.mobile-menu.active .mobile-nav-list>li:nth-child(5) .mobile-nav-link{transition-delay:0.3s}.mobile-menu.active .mobile-nav-list>li:nth-child(6) .mobile-nav-link{transition-delay:0.35s}.mobile-menu.active .mobile-nav-list>li:nth-child(7) .mobile-nav-link{transition-delay:0.4s}.mobile-menu.active .mobile-nav-list>li:nth-child(8) .mobile-nav-link{transition-delay:0.45s}.mobile-nav-link:hover,.mobile-nav-link:active{color:var(--cyan-glow)}.mobile-has-dropdown{position:relative}.mobile-has-dropdown>.mobile-nav-link{display:inline-flex;align-items:center;gap:8px}.mobile-dropdown-toggle{display:inline-flex;align-items:center;justify-content:center;padding:10px;cursor:pointer;color:var(--white);transition:transform 0.3s ease}.mobile-dropdown-toggle svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none}.mobile-has-dropdown.open .mobile-dropdown-toggle{transform:rotate(180deg)}.mobile-sub-menu{list-style:none;margin:0;padding:0;background:rgba(255,255,255,.05);border-radius:8px;overflow:hidden;max-height:0;opacity:0;transition:max-height 0.4s ease,opacity 0.3s ease}.mobile-has-dropdown.open .mobile-sub-menu{max-height:500px;opacity:1}.mobile-sub-link{display:block;font-size:16px;font-weight:300;color:rgba(255,255,255,.8);padding:14px 24px;text-decoration:none;transition:all 0.3s ease;border-bottom:1px solid rgba(255,255,255,.05)}.mobile-sub-link:last-child{border-bottom:none}.mobile-sub-link:hover,.mobile-sub-link:active,.mobile-sub-link.active{color:var(--cyan-glow);background:rgba(255,255,255,.05)}.mobile-sub-menu li{opacity:0;transform:translateY(-10px);transition:opacity 0.3s ease,transform 0.3s ease}.mobile-has-dropdown.open .mobile-sub-menu li{opacity:1;transform:translateY(0)}.mobile-has-dropdown.open .mobile-sub-menu li:nth-child(1){transition-delay:0.05s}.mobile-has-dropdown.open .mobile-sub-menu li:nth-child(2){transition-delay:0.1s}.mobile-has-dropdown.open .mobile-sub-menu li:nth-child(3){transition-delay:0.15s}.mobile-has-dropdown.open .mobile-sub-menu li:nth-child(4){transition-delay:0.2s}.mobile-has-dropdown.open .mobile-sub-menu li:nth-child(5){transition-delay:0.25s}@media (max-width:992px){.nav-menu{display:none}.nav-cta{display:none}.nav-mobile-toggle{display:flex}}@media (max-width:1200px){.nav{padding:0 40px}.nav-menu{gap:30px}}@media (max-width:768px){.nav{padding:0 20px;height:var(--nav-height-mobile)}.lang-btn{width:36px;height:36px}.mobile-menu{padding-top:var(--nav-height-mobile)}.mobile-nav-link{font-size:18px;padding:16px 0}.mobile-sub-link{font-size:15px;padding:12px 20px}}@media (max-width:480px){.nav{padding:0 16px;height:var(--nav-height-small)}.mobile-menu{padding-top:var(--nav-height-small)}.mobile-nav-link{font-size:17px;padding:14px 0}.mobile-sub-link{font-size:14px;padding:12px 16px}}.nav.solid{background:rgba(255,255,255,.98);backdrop-filter:blur(20px);box-shadow:0 2px 40px rgba(30,80,230,.08)}@supports (padding-top:env(safe-area-inset-top)){.nav{padding-top:env(safe-area-inset-top)}.mobile-menu{padding-top:calc(var(--nav-height-mobile) + env(safe-area-inset-top));padding-bottom:env(safe-area-inset-bottom)}}.nav-cta:focus-visible,.lang-btn:focus-visible{outline:2px solid var(--electric-blue);outline-offset:2px}.nav-link:focus-visible,.mobile-nav-link:focus-visible,.mobile-sub-link:focus-visible{outline:2px solid var(--electric-blue);outline-offset:2px}.nav-link:focus:not(:focus-visible),.mobile-nav-link:focus:not(:focus-visible),.mobile-sub-link:focus:not(:focus-visible){outline:none}@media (prefers-reduced-motion:reduce){.nav,.nav-logo img,.mobile-menu,.mobile-nav-link,.mobile-sub-menu,.mobile-sub-menu li{transition:none}}