.site-header{height:72px;position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(8,42,74,.07);backdrop-filter:blur(20px)}.nav-shell{height:100%;display:flex;align-items:center;gap:28px}.brand{margin-right:auto;display:flex;align-items:center}.brand img{width:155px;height:auto;display:block}.site-nav>ul{display:flex;align-items:center;gap:20px}.site-nav a,.login-link{color:var(--cc-navy);text-decoration:none;font-size:.875rem;font-weight:600;transition:color .18s}.site-nav a:hover,.login-link:hover{color:var(--cc-green)}.nav-item{position:relative}.submenu{position:absolute;top:calc(100% + 16px);left:-18px;min-width:220px;padding:10px;background:#fff;border:1px solid var(--cc-border);border-radius:14px;box-shadow:var(--cc-shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}.submenu a{display:block;padding:9px 10px;border-radius:8px;font-size:.85rem}.submenu a:hover{background:var(--cc-off-white)}.has-submenu:hover .submenu,.has-submenu:focus-within .submenu{opacity:1;visibility:visible;transform:none}.nav-actions{display:flex;align-items:center;gap:18px}.menu-toggle{display:none;background:transparent;border:0;padding:9px;cursor:pointer}.menu-toggle span{display:block;width:25px;height:2px;background:var(--cc-navy);margin:5px;border-radius:2px}