/* Estilos responsive para menú de navegación */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    background: none;
    border: none;
    cursor: pointer;
    margin-right: 1rem;
    z-index: 101;
}
.hamburger-bar {
    width: 26px;
    height: 4px;
    background: #fff;
    border-radius: 2px;
    margin: 3px 0;
    transition: .3s;
}

@media (max-width: 800px) {
    .nav-hamburger {
    display: flex;
    }
    .nav-menu {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--grad-primario, #78C841);
    box-shadow: 0 8px 24px -8px rgba(0,0,0,.18);
    display: none;
    flex-direction: column;
    padding: 1.2rem 1.4rem 1.2rem 1.4rem;
    z-index: 100;
    animation: fadeInMenu .25s;
    }
    .nav-menu.active {
    display: flex;
    }
    .nav-menu nav ul {
    flex-direction: column;
    gap: 1.1rem;
    }
    .nav-menu nav ul li {
    width: 100%;
    }
    .nav-menu nav a {
    font-size: 1rem;
    padding: .7rem 0;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
    }
}
@keyframes fadeInMenu {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}