html {
    scroll-behavior: smooth;
}

.topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-row: 1;
    min-height: 2.45rem;
    height: auto;
    align-items: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin-bottom: 4vh;
    padding: 0.28rem 0;
    border-bottom: 1px solid rgba(11, 48, 53, 0.18);
    background: rgba(243, 244, 242, 0.84);
    transition: transform 0.28s ease, opacity 0.28s ease, visibility 0.28s ease;
}

.topbar.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-110%);
}

.topbarleft {
    grid-column: 1;
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.8rem);
    min-width: 0;
    padding: 0 var(--page-inline-margin);
}

.topbarleft > .topbarbutton {
    flex: 0 0 auto;
}

.topbar-scroll-nav {
    display: flex;
    align-items: center;
    gap: clamp(0.9rem, 2vw, 1.7rem);
    min-width: 0;
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s ease;
}

.topbar-scroll-nav.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.75rem);
}

.topbarcenter,
.topbarright {
    display: none;
}

.topbarright.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.75rem);
}

.topbarright.hidden {
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.topbartext {
    font-family: "Oswald", "Open Sans", Arial, sans-serif;
    color: var(--ink);
    font-size: 0.98rem;
    text-transform: uppercase;
    font-weight: 450;
    margin: 0;
    line-height: 1;
    white-space: nowrap;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
}

.brand-mark-logo {
    display: block;
    width: auto;
    height: 1.5rem;
}

.topbarbutton {
    text-decoration: none;
    color: inherit;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: "Oswald", "Open Sans", Arial, sans-serif;
    display: inline-flex;
    align-items: center;
    min-height: 1.4rem;
}

.topbarbutton:hover {
    color: var(--id24-orange);
    font-style: normal;
}

@media (max-width: 980px) {
    .topbar {
        grid-template-columns: 1fr;
        min-height: 2.7rem;
        height: auto;
        margin-bottom: 5vh;
        padding: 0.35rem 0;
    }

    .topbarleft,
    .topbar-scroll-nav {
        gap: 0.85rem;
    }

    .topbarleft {
        grid-column: 1;
        flex-wrap: wrap;
        row-gap: 0.4rem;
        align-items: center;
        min-width: 0;
        padding: 0 1rem;
    }

    .topbartext {
        font-size: 0.9rem;
        line-height: 1.1;
    }

    .topbar-scroll-nav .topbartext {
        font-size: 0.82rem;
    }
}

@media (max-width: 520px) {
    .topbar {
        grid-template-columns: 1fr;
        row-gap: 0.35rem;
    }

    .topbar-scroll-nav {
        flex-basis: 100%;
        padding-left: 0;
        flex-wrap: wrap;
    }
}