/* Barra de navegação premium */
        .navbar {
            background-color: var(--white);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            padding: 10px 0;
            background-color: white;
            transition: all 0.3s ease;
        }
        
        .navbar.scrolled {
            padding: 12px 0;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand img {
            height: 40px;
            transition: all 0.3s ease;
        }
        
        .nav-link {
            font-weight: 500;
            color: var(--dark-gray) !important;
            padding: 8px 15px !important;
            margin: 0 5px;
            position: relative;
        }
        
        .nav-link:before {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-purple);
            visibility: hidden;
            transition: all 0.3s ease-in-out;
        }
        
        .nav-link:hover:before {
            visibility: visible;
            width: 100%;
        }
        
        .nav-link.active {
            color: var(--primary-purple) !important;
        }
        
        .nav-link.active:before {
            visibility: visible;
            width: 100%;
        }