.header{z-index:1000;-webkit-backdrop-filter:blur(18px);background:#ffffffe0;border-bottom:1px solid #0f172a14;width:100%;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:40px;height:86px;display:flex}.logo{letter-spacing:-.04em;flex-shrink:0;align-items:center;gap:10px;font-size:22px;font-weight:900;transition:opacity .2s;display:flex}.logo:hover{opacity:.82}.logo img{object-fit:contain;width:60px;height:60px}.logo-text{align-items:center;display:flex}.logo-text span:first-child{color:#0f172a}.logo-text span:last-child{color:#14b8a6}.nav{flex:1;justify-content:center;align-items:center;gap:34px;display:flex}.nav>a,.nav-group>a{color:#1e293b;font-size:15px;font-weight:700;transition:color .18s,transform .18s;position:relative}.nav>a:hover,.nav-group>a:hover{color:#0f172a;transform:translateY(-1px)}.nav>a:after,.nav-group>a:after{content:"";transform-origin:50%;background:#14b8a6;width:100%;height:2px;transition:transform .18s;position:absolute;bottom:-7px;left:0;transform:scaleX(0)}.nav>a:hover:after,.nav-group>a:hover:after{transform:scaleX(1)}.nav-group{position:relative}.nav-dropdown{opacity:0;visibility:hidden;background:#fff;border:1px solid #0f172a14;border-radius:18px;min-width:210px;transition:all .18s;position:absolute;top:calc(100% + 22px);left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 18px 50px #0f172a14}.nav-group:hover .nav-dropdown{opacity:1;visibility:visible;top:calc(100% + 12px)}.nav-dropdown a{color:#475569;padding:14px 18px;font-size:14px;transition:all .18s;display:block}.nav-dropdown a:hover{color:#0f172a;background:#f8fafc}.header-actions{flex-shrink:0;align-items:center;display:flex}.signin-button{color:#fff;background:#0f172a;border-radius:999px;justify-content:center;align-items:center;padding:12px 22px;font-weight:700;transition:transform .18s,box-shadow .18s;display:inline-flex}.signin-button:hover{transform:translateY(-2px);box-shadow:0 18px 40px #0f172a2e}.mobile-menu-button{cursor:pointer;background:0 0;border:0;font-size:30px;display:none}@media (max-width:1000px){.mobile-menu-button{display:block}.nav{background:#fff;border-bottom:1px solid #0f172a14;flex-direction:column;align-items:flex-start;gap:18px;width:100%;padding:26px;display:none;position:absolute;top:82px;left:0}.nav.open{display:flex}.nav-dropdown{opacity:1;visibility:visible;box-shadow:none;border:0;margin-top:10px;padding-left:18px;position:static;transform:none}.header-actions{display:none}}