.menu-toggle-checkbox {
    position: fixed;
    opacity: 0;
    pointer-events: none;
    width: 0;
    height: 0;
    overflow: hidden;
}

.menu {
    top: 0;
    z-index: 45;
    background: var(--page-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 6px 14px var(--shadow);
}

.menu__inner {
    width: min(100%, calc(var(--layout-content-max-width) + var(--layout-sidebar-width) + 3rem));
    margin: 0 auto;
}

.menu-mobile-bar,
.menu-nav__list {
    width: 100%;
    margin: 0;
}

.menu-mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.25rem 0.75rem;
}

.menu-brand {
    display: flex;
    align-items: center;
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(100% - 8.75rem);
    text-decoration: none;
    color: var(--text-main);
    gap: 0.5rem;
}

.menu-brand__label {
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.menu-brand__content {
    display: flex;
    align-items: center;
    min-height: auto;
    line-height: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.menu-brand__content > :first-child {
    margin-top: 0;
}

.menu-brand__content > :last-child {
    margin-bottom: 0;
}

.menu-brand__content img {
    display: block;
    max-width: 100%;
}

.menu-toggle-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    gap: 0.35rem;
    height: 2.75rem;
    padding: 0.25rem 0.5rem;
    border: 0;
    background: transparent;
    box-shadow: none;
    cursor: pointer;
    transition: color 0.2s ease;
}

.menu-toggle-button__label {
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.menu-toggle-button__icon {
    width: 1.55rem;
    height: 1.55rem;
}

.menu-toggle-button__line {
    transform-box: fill-box;
    transform-origin: center;
    transition: transform 0.28s ease, opacity 0.2s ease;
}

.menu-toggle-checkbox:checked ~ .menu .menu-toggle-button__line--top {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle-checkbox:checked ~ .menu .menu-toggle-button__line--middle {
    opacity: 0;
}

.menu-toggle-checkbox:checked ~ .menu .menu-toggle-button__line--bottom {
    transform: translateY(-6px) rotate(-45deg);
}

.menu-toggle-button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

.menu-nav__list,
.menu-nav__sublist {
    list-style: none;
}

.menu-toggle-button,
.menu-nav__link,
.menu-nav__sublink,
.menu-nav__expand-toggle {
    border-radius: 0;
    background: var(--page-bg);
    color: var(--text-main);
}

.menu-nav__list {
    display: grid;
    margin: 0;
    padding: 0 0.55rem 0;
    gap: 0.4rem;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-0.35rem);
    transition: max-height 0.32s ease, opacity 0.2s ease, transform 0.2s ease, padding-bottom 0.2s ease, padding-top 0.2s ease;
}

.menu-toggle-checkbox:checked ~ .menu .menu-nav__list {
    max-height: 60rem;
    opacity: 1;
    pointer-events: auto;
    padding-top: 0.75rem;
    padding-bottom: 1rem;
    transform: translateY(0);
}

.menu-nav__link {
    display: flex;
    align-items: center;
    padding: 0.62rem 0.74rem;
    text-decoration: none;
    font-weight: 650;
    border: 1px solid var(--border);
    position: relative;
    transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.menu-nav__expand-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--border);
    background: var(--page-bg);
}

.menu-nav__expand-row > .menu-nav__link,
.menu-nav__expand-row > .menu-nav__sublink {
    min-width: 0;
    border: 0;
}

.menu-nav__expand-row > .menu-nav__sublink {
    border-left: 2px solid transparent;
}

.menu-nav__expand-toggle {
    width: 2.75rem;
    min-height: 100%;
    border: 0;
    cursor: pointer;
    display: inline-grid;
    place-items: center;
    transition: border-color 0.16s ease, background 0.16s ease;
}

.menu-nav__expand-toggle::before {
    content: "";
    width: 0.6rem;
    height: 0.6rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-1px) rotate(45deg);
    transition: transform 0.16s ease;
}

@media (hover: hover) {
    .menu-nav__expand-toggle:hover {
        background: var(--surface);
    }
}

.menu-nav__expand-toggle:focus-visible {
    background: var(--surface);
}

.menu-nav__expand-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.menu-nav__sublist {
    margin: 0;
    padding: 0 0 0 0.72rem;
    display: none;
    gap: 0.42rem;
    margin-top: 0.42rem;
}

.menu-nav__sublist--depth-2 {
    padding-left: 0.95rem;
}

.menu-nav__item--expandable.is-open > .menu-nav__sublist {
    display: grid;
}

.menu-nav__sublink {
    display: block;
    padding: 0.42rem 0.6rem;
    border-left: 2px solid var(--border);
    text-decoration: none;
    transition: border-color 0.16s ease, background-color 0.16s ease;
}

.menu-nav__link.is-active,
.menu-nav__link[aria-current="page"],
.menu-nav__sublink.is-active,
.menu-nav__sublink[aria-current="page"] {
    color: var(--accent-strong);
}

.menu-nav__link.is-active,
.menu-nav__link[aria-current="page"] {
    border-color: var(--accent);
    background: var(--surface);
}

.menu-nav__expand-row > .menu-nav__link.is-active,
.menu-nav__expand-row > .menu-nav__link[aria-current="page"] {
    border-color: transparent;
}

.menu-nav__sublink.is-active,
.menu-nav__sublink[aria-current="page"] {
    border-color: var(--accent-strong);
}

@media (hover: hover) {
    .menu-nav__link:hover,
    .menu-nav__item--expandable:hover > .menu-nav__expand-row > .menu-nav__link--expandable {
        color: var(--accent-strong);
        transform: translateX(1px);
    }
}

.menu-nav__link:focus-visible {
    color: var(--accent-strong);
    transform: translateX(1px);
}

.menu-nav__item--expandable.is-open > .menu-nav__expand-row > .menu-nav__expand-toggle::before {
    transform: translateY(1px) rotate(225deg);
}

@media (hover: hover) {
    .menu-nav__sublink:hover {
        border-color: var(--accent);
        background: var(--surface);
    }
}

.menu-nav__sublink:focus-visible {
    border-color: var(--accent);
    background: var(--surface);
}

@media (min-width: 900px) {
    body:not(.menu-force-mobile) .menu {
        position: sticky;
    }

    body:not(.menu-force-mobile) .menu__inner {
        display: grid;
        grid-template-columns: max-content max-content;
        justify-content: space-between;
        align-items: start;
        column-gap: 1.5rem;
    }

    body:not(.menu-force-mobile) .menu-mobile-bar {
        width: auto;
        margin: 0;
        justify-content: flex-start;
    }

    body:not(.menu-force-mobile) .menu-brand {
        flex: 0 0 auto;
        min-width: auto;
        max-width: 100%;
    }
    
    body:not(.menu-force-mobile) .menu-brand__label {
        display: none;
    }

    body:not(.menu-force-mobile) .menu-toggle-button {
        display: none;
    }

    body:not(.menu-force-mobile) .menu-nav__list {
        width: auto;
        min-width: 0;
        margin: 0;
        justify-self: end;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: flex-end;
        gap: 0.4rem;
        padding: 0;
        max-height: none;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        overflow: visible;
        transition: max-height 0.32s ease, opacity 0.2s ease, transform 0.2s ease, padding-bottom 0.2s ease, padding-top 0.2s ease;
    }

    body:not(.menu-force-mobile) .menu-nav__item {
        flex: 0 0 auto;
    }

    body:not(.menu-force-mobile) .menu-nav__expand-row {
        display: block;
        border: 0;
        background: transparent;
    }

    body:not(.menu-force-mobile) .menu-nav__link {
        width: auto;
        white-space: nowrap;
        padding: 1rem 0.5rem;
        background: transparent;
        border-color: transparent;
        border-bottom: 2px solid transparent;
    }

    body:not(.menu-force-mobile) .menu-nav__link.is-active,
    body:not(.menu-force-mobile) .menu-nav__link[aria-current="page"] {
        color: var(--accent-strong);
        background: transparent;
        border-color: transparent;
    }

    body:not(.menu-force-mobile) .menu-nav__link.is-active::after,
    body:not(.menu-force-mobile) .menu-nav__link[aria-current="page"]::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 2px;
        background: var(--accent-strong);
    }

    body:not(.menu-force-mobile) .menu-nav__expand-toggle {
        display: none;
    }

    body:not(.menu-force-mobile) .menu-nav__item--expandable {
        position: relative;
    }

    body:not(.menu-force-mobile) .menu-nav__sublist {
        min-width: 240px;
        padding: 0.55rem;
        margin: 0;
        border: 1px solid var(--border);
        border-radius: 0;
        background: var(--page-bg);
        box-shadow: 0 14px 26px var(--shadow);
        z-index: 80;
        display: none;
        overflow: visible;
        --menu-shift-x: 0px;
        transform: translateX(var(--menu-shift-x));
    }

    body:not(.menu-force-mobile) .menu-nav__sublist--depth-1 {
        position: absolute;
        top: 100%;
        left: 0;
    }

    body:not(.menu-force-mobile) .menu-nav__sublist--depth-2 {
        position: absolute;
        top: -0.6rem;
        left: 100%;
        min-width: 220px;
        padding: 0.5rem;
    }

    body:not(.menu-force-mobile) .menu-nav__item--expandable:focus-within > .menu-nav__sublist {
        display: grid;
    }

    @media (hover: hover) {
        body:not(.menu-force-mobile) .menu-nav__item--expandable:hover > .menu-nav__sublist {
            display: grid;
        }
    }
}

@media (prefers-reduced-motion: reduce) {
    .menu-toggle-button__line,
    .menu-nav__list {
        transition: none;
    }
}