.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    margin-left: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer
}

.menu-toggle span {
    display: block;
    width: 21px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .2s, opacity .2s
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg)
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0
}

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg)
}

.mobile-mode {
    display: none
}

@media(max-width:1100px) {
    .topbar {
        position: sticky
    }

    .menu-toggle {
        display: flex
    }

    .main-navigation {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: max(14px, calc((100vw - 1240px)/2));
        right: max(14px, calc((100vw - 1240px)/2));
        height: auto;
        max-height: calc(100vh - 96px);
        overflow-y: auto;
        padding: 10px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 13px;
        box-shadow: 0 18px 50px rgba(19, 35, 29, .18);
        align-items: stretch;
        z-index: 20
    }

    .main-navigation.open {
        display: flex;
        flex-direction: column
    }

    .main-navigation .nav-link,
    .main-navigation .nav-link.secondary {
        display: flex;
        width: 100%;
        height: auto;
        min-height: 48px;
        padding: 13px 14px;
        border: 0;
        border-radius: 8px;
        color: var(--ink)
    }

    .main-navigation .nav-link:hover {
        background: #f3f7f5
    }

    .main-navigation .nav-link.active {
        background: var(--green-soft);
        color: var(--green)
    }

    .main-navigation .nav-divider {
        display: block;
        width: 100%;
        height: 1px;
        margin: 7px 0;
        background: var(--line)
    }

    .mobile-mode {
        display: block;
        margin: 8px 5px 3px;
        padding: 10px 12px;
        border-radius: 8px;
        background: var(--amber-soft);
        color: var(--amber);
        font-size: 12px;
        font-weight: 750
    }

    .topbar .brand {
        min-width: 0
    }
}

@media(max-width:520px) {
    .topbar {
        height: 64px
    }

    .brand-mark {
        width: 36px;
        height: 36px
    }

    .brand>span:last-child {
        display: block;
        font-size: 14px
    }

    .brand small {
        font-size: 8px
    }

    .menu-toggle {
        width: 44px;
        height: 44px
    }

    .main-navigation {
        top: calc(100% + 6px);
        left: 10px;
        right: 10px
    }
}

@media(prefers-reduced-motion:reduce) {
    .menu-toggle span {
        transition: none
    }
}