.site-scroll-to-top {
    position: fixed;
    left: 1.25rem;
    bottom: 1.25rem;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid rgba(17, 24, 39, 0.12);
    border-radius: 9999px;
    background-color: var(--site-accent, var(--site-primary-color));
    color: var(--site-accent-contrast, #ffffff);
    box-shadow: 0 4px 14px rgba(17, 24, 39, 0.15);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}

.site-scroll-to-top:focus-visible {
    outline: 2px solid var(--site-accent, var(--site-primary-color));
    outline-offset: 2px;
}

.site-scroll-to-top:hover {
    filter: brightness(1.05);
}

.site-scroll-to-top.site-scroll-to-top--visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.site-scroll-to-top__icon {
    width: 1.25rem;
    height: 1.25rem;
}

@media (max-width: 575.98px) {
    .site-scroll-to-top {
        left: 0.75rem;
        bottom: 0.75rem;
        width: 2.5rem;
        height: 2.5rem;
    }

    .site-scroll-to-top__icon {
        width: 1.125rem;
        height: 1.125rem;
    }
}