.nav-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 99999; /* ensure clickable above overlays */
    color: inherit;
}

@media (max-width: 950px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 5rem;
        background: white;
        box-shadow: -4px 0 15px rgba(0,0,0,0.1);
        transition: right 0.3s ease-in-out, visibility 0s linear 0.3s;
        z-index: 99998; /* above header; active menu will be highest */
        visibility: hidden;
    }

    .nav-menu.active {
        right: 0;
        visibility: visible;
        transition-delay: 0s;
        z-index: 99999;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    /* Prevent background scroll when menu open */
    body.nav-open {
        overflow: hidden;
    }
}