.mobile-menu-toggle {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    border: 1px solid var(--d4-border);
    border-radius: 999px;
    background: var(--d4-surface);
    color: var(--d4-text);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle__icon,
.mobile-menu-toggle__icon::before,
.mobile-menu-toggle__icon::after {
    position: absolute;
    left: 50%;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transform: translateX(-50%);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu-toggle__icon {
    top: 50%;
}

.mobile-menu-toggle__icon::before,
.mobile-menu-toggle__icon::after {
    content: "";
}

.mobile-menu-toggle__icon::before {
    top: -6px;
}

.mobile-menu-toggle__icon::after {
    top: 6px;
}

.mobile-menu-toggle.is-open .mobile-menu-toggle__icon {
    transform: translateX(-50%) rotate(45deg);
}

.mobile-menu-toggle.is-open .mobile-menu-toggle__icon::before {
    transform: translateX(-50%) translateY(6px) rotate(90deg);
}

.mobile-menu-toggle.is-open .mobile-menu-toggle__icon::after {
    opacity: 0;
}

@media (max-width: 768px) {
    .nav {
        position: relative;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
    }

    .nav-links {
        position: absolute;
        top: calc(100% - 0.75rem);
        right: 1.5rem;
        z-index: 20;
        min-width: 190px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
        padding: 0.75rem;
        border: 0.5px solid rgba(255, 213, 0, 0.25);
        border-radius: 18px;
        background: var(--d4-surface);
        box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-4px) scale(0.98);
        transform-origin: top right;
        transition: opacity 0.18s ease, transform 0.18s ease;
    }

    .nav-links.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }

    .nav-links .nav-link {
        display: block;
        width: 100%;
        box-sizing: border-box;
        border-radius: 12px;
        padding: 0.8rem 0.9rem;
        text-align: right;
        color: var(--d4-text);
    }

    .nav-links .nav-link:hover,
    .nav-links .nav-link:focus-visible {
        background: var(--d4-surface-alt);
        color: var(--d4-yellow);
        outline: none;
    }
}