/* --- DESIGN DO MENU PARA DESKTOP (Ecrãs Grandes) --- */
.nav-menu { display: flex; list-style: none; gap: 5px; align-items: center; }
.nav-menu li { position: relative; }
.nav-menu a {
    text-decoration: none; color: var(--text-dark); font-weight: 700;
    font-size: 0.85rem; text-transform: uppercase; padding: 15px 12px; display: block;
    transition: var(--transition);
}
.nav-menu > li > a.active, .nav-menu > li > a:hover { color: var(--accent-red); }

.toggle-submenu { margin-left: 5px; font-size: 0.8rem; pointer-events: none; }

/* Dropdowns Nível 1 */
.dropdown-menu {
    position: absolute; top: 100%; left: 0; background-color: var(--dropdown-bg);
    min-width: 240px; list-style: none; box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    opacity: 0; visibility: hidden; transform: translateY(10px); transition: var(--transition);
}
.dropdown:hover > .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li { border-bottom: 1px solid #e0e0e0; }
.dropdown-menu li a { padding: 12px 20px; font-size: 0.85rem; color: #444; display: flex; justify-content: space-between; }

/* Submenus Laterais (Níveis 2 e 3) */
.dropdown-submenu .submenu,
.dropdown-nested-submenu .nested-submenu {
    position: absolute; top: 0; left: 100%; background-color: var(--dropdown-bg);
    min-width: 240px; list-style: none; box-shadow: 4px 4px 10px rgba(0,0,0,0.08);
    opacity: 0; visibility: hidden; transition: var(--transition);
}
.dropdown-submenu:hover .submenu,
.dropdown-nested-submenu:hover .nested-submenu { opacity: 1; visibility: visible; }

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-blue); }