/* ============================================================
   Visual system – mobile navigation
   Hamburger menu and mobile overrides.
   ============================================================ */

.NavToggle {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.NavHamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    width: 2.25rem;
    cursor: pointer;
}

.NavHamburgerBar {
    width: 1.35rem;
    height: 2px;
    border-radius: var(--radius-pill);
    background-color: var(--ink);
    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}

.NavToggle:checked ~ .NavHamburger .NavHamburgerBar:nth-child(1) {
    transform: translateY(calc(0.5rem + 2px)) rotate(45deg);
}

.NavToggle:checked ~ .NavHamburger .NavHamburgerBar:nth-child(2) {
    opacity: 0;
}

.NavToggle:checked ~ .NavHamburger .NavHamburgerBar:nth-child(3) {
    transform: translateY(calc(-0.5rem - 2px)) rotate(-45deg);
}