:where(.main-nav) {
    .nav-container {
        --nav-panel-width: 42rem;

        @media screen and (max-width: 1350px) {
            --nav-panel-width: 30rem;
        }
        max-height: unset;
        position: fixed;
        inset: 0 auto 0 0;
        margin: 0;
        padding: 0;
        border: none;
        height: 100dvh;
        width: calc(var(--nav-panel-width) * 1);
        display: grid;
        grid-template-rows: 5rem 1fr;
        background-color: var(--color-brand-navy-dark);
        overflow: hidden;

        &[data-current-nav-index="1"] {
            width: calc(var(--nav-panel-width) * 2);
        }

        &[data-current-nav-index="2"] {
            width: calc(var(--nav-panel-width) * 3);
        }

        translate: -100% 0;
        transition: width 250ms ease-in-out, translate 300ms ease-in-out;

        &.is-open {
            translate: 0 0;
        }

        &:not([open]) {
            display: none;
        }

        &::backdrop {
            backdrop-filter: blur(3px);
        }

        :where(ul, li) {
            list-style-type: none;
            margin: 0;
            padding: 0;
        }

        .inactive {
            display: none !important;
        }

        /* Nav panels */

        .nav-scroll-guard {
            position: sticky;
            top: 0;
            height: 7.5rem;
            background: var(--color-brand-navy-dark);
            z-index: 1;
            flex-shrink: 0;
        }

        .nav.child .nav-scroll-guard {
            background: rgb(2, 45, 83);
        }

        .nav.grand-child .nav-scroll-guard {
            background: rgb(0, 48, 86);
        }

        .nav {
            flex: 0 0 var(--nav-panel-width);
            height: 100%;
            overflow-y: auto;
            padding-top: 0;

            ul {
                padding-top: 1rem;
                width: 100%;
            }

            li {
                display: grid;
                grid-template-columns: 1fr 5rem;
                padding-block: 0.5rem;
                padding-inline: 10%;
            }

            &.parent {
                & > ul {
                    width: 100%;
                    margin-inline: auto;

                    & > li {
                        padding-block: 0.8rem;
                    }
                }

                li {
                    line-height: 1;
                    margin-bottom: 0;
                }

                a {
                    font-size: 2rem;
                    font-weight: 400;
                }
            }

            &.child {
                background: var(--color-brand-navy-opacity);

                li {
                    line-height: 1.2;
                }

                a {
                    font-size: 1.6rem;
                }
            }

            &.grand-child {
                background: var(--color-brand-navy-opacity-2);

                li {
                    line-height: 1.5;
                }

                a {
                    font-size: 1.6rem;
                }
            }
        }

        hr {
            width: 80%;
            margin-inline: auto;
            display: block;
        }

        /* Nav wrap — slides panels horizontally, extends behind controls row */

        .nav-wrap {
            display: flex;
            flex-direction: row;
            height: 100%;
            grid-row: 1 / 3;
            overflow: hidden;
        }

        /* Responsive */

        @media (max-width: 1024px) {
            width: 100vw;
            max-width: 100%;

            &[data-current-nav-index="1"],
            &[data-current-nav-index="2"] {
                width: 100vw;
                max-width: 100%;
            }

            .nav {
                flex: 0 0 33.333%;
            }

            .nav-wrap {
                position: absolute;
                top: 0;
                left: 0;
                height: 100%;
                width: 300%;
                transition: transform 250ms ease-in;

                [data-current-nav-index="1"] & {
                    transform: translateX(-33.333%);
                }

                [data-current-nav-index="2"] & {
                    transform: translateX(-66.666%);
                }
            }
        }
    }
}