@keyframes slideDown {from { opacity: 0; transform: translateY(-10px); }to { opacity: 1; transform: translateY(0);}}.mega-menu-fullwidth {animation: slideDown 0.2s ease-out forwards;z-index: 40;}.mega-menu-fullwidth.hidden {display: none;}.nav-link-underline { position: relative; }.nav-link-underline::after {content: '';position: absolute;bottom: -2px;left: 0;width: 0;height: 2px;background: linear-gradient(90deg, #2563eb, #f97316);transition: width 0.3s ease;}.nav-link-underline:hover::after { width: 100%; }.nav-scrolled {box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);}.nav-btn.active {color: #2563eb;background-color: #eff6ff;}.nav-btn.active .dropdown-arrow {transform: rotate(180deg);}