:root{--nav-primary:#0D5C80;--nav-primary-dark:#083C54;--nav-white:#ffffff;--nav-bg:rgba(13, 92, 128, 0.92);--nav-bg-solid:rgba(13, 92, 128, 0.98);--nav-transition:0.35s cubic-bezier(0.4, 0, 0.2, 1);--nav-shadow:0 10px 30px rgba(0, 0, 0, 0.15)}body{overflow-x:hidden}.header{position:fixed;top:0;left:0;width:100%;height:82px;z-index:99999;background:var(--nav-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transition:background var(--nav-transition),box-shadow var(--nav-transition);border-bottom:1px solid rgba(255,255,255,.08)}.header.scrolled,.header.sticky{background:var(--nav-bg-solid);box-shadow:var(--nav-shadow);height:72px}.nav-container{width:min(1400px, 92%);height:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative}.logo{display:flex;align-items:center;flex-shrink:0}.logo img{max-height:72px;width:auto;transition:max-height var(--nav-transition)}.header.scrolled .logo img,.header.sticky .logo img{max-height:62px}.navbar ul{display:flex;align-items:center;gap:42px;margin:0;padding:0;list-style:none}.navbar li{margin:0;padding:0}.navbar a{position:relative;display:inline-block;color:#fff;font-size:16px;font-weight:700;letter-spacing:.2px;text-decoration:none;white-space:nowrap;transition:color var(--nav-transition)}.navbar a::after{content:"";position:absolute;left:0;bottom:-8px;width:0;height:2px;background:#fff;border-radius:2px;transition:width var(--nav-transition)}.navbar a:hover,.navbar a.active{color:#fff}.navbar a:hover::after,.navbar a.active::after{width:100%}.call-btn{display:flex;align-items:center;gap:10px;padding:14px 28px;border-radius:50px;background:#fff;color:var(--nav-primary);font-size:15px;font-weight:700;text-decoration:none;white-space:nowrap;box-shadow:0 15px 35px rgba(0,0,0,.15);transition:transform var(--nav-transition),box-shadow var(--nav-transition);flex-shrink:0}.call-btn i{font-size:16px}.call-btn:hover{transform:translateY(-3px);box-shadow:0 20px 45px rgba(0,0,0,.22)}.menu-btn{display:none;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:44px;height:44px;cursor:pointer;background:none;border:none;padding:0;flex-shrink:0;z-index:100003}.menu-btn span{display:block;width:28px;height:3px;background:#fff;border-radius:30px;transition:transform 0.3s ease,opacity 0.3s ease}.menu-btn.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}.menu-btn.active span:nth-child(2){opacity:0}.menu-btn.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}@media (max-width:768px){.header{height:72px}.nav-container{height:72px}.logo img{max-height:60px}.call-btn{display:none}.menu-btn{display:flex}.navbar{position:fixed;top:72px;left:0;right:0;width:100%;max-height:calc(100vh - 72px);overflow-y:auto;background:var(--nav-bg-solid);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid rgba(255,255,255,.14);box-shadow:0 18px 35px rgba(0,0,0,.18);padding:20px;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-15px);transition:opacity 0.3s ease,transform 0.3s ease,visibility 0.3s ease;z-index:100002}.navbar.show-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.navbar ul{flex-direction:column;align-items:stretch;gap:0;width:100%}.navbar li{width:100%;border-bottom:1px solid rgba(255,255,255,.1)}.navbar li:last-child{border-bottom:none}.navbar a{display:block;width:100%;padding:16px 10px;color:#fff;font-size:16px;font-weight:600;text-align:left;white-space:normal;word-break:break-word}.navbar a::after{display:none}.navbar a:hover,.navbar a.active{background:rgba(255,255,255,.08);border-radius:10px;padding-left:15px}}@media (max-width:480px){.navbar{top:72px;padding:15px}.navbar a{padding:14px 8px;font-size:15px}.menu-btn span{width:24px;height:2.5px}}body.nav-open{overflow:hidden}