/*
=========================================================
Accessibility foundation
=========================================================
*/

/*
---------------------------------------------------------
Skip link
---------------------------------------------------------
*/

.skip-link {
    position: fixed;
    top: var(--space-sm);
    left: var(--space-sm);
    z-index: 2000;

    padding: .72rem 1rem;

    border: 3px solid var(--color-text);
    border-radius: var(--radius-md);

    color: var(--color-text);
    background-color: var(--color-background);

    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    text-decoration: none;

    box-shadow: var(--shadow-md);

    transform: translateY(calc(-100% - 2rem));
}

.skip-link:focus-visible {
    outline: 3px solid var(--color-warning);
    outline-offset: 3px;

    transform: translateY(0);
}


/*
---------------------------------------------------------
Visually hidden utility
---------------------------------------------------------
*/

.visually-hidden-accessible {
    position: absolute !important;

    width: 1px !important;
    height: 1px !important;

    padding: 0 !important;
    margin: -1px !important;

    overflow: hidden !important;

    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;

    white-space: nowrap !important;

    border: 0 !important;
}


/*
---------------------------------------------------------
Keyboard focus
---------------------------------------------------------
*/

:where(
    a,
    button,
    input,
    select,
    textarea,
    summary,
    [tabindex]:not([tabindex="-1"])
):focus-visible {
    outline: 3px solid var(--color-warning);
    outline-offset: 3px;
}

/* Keep focus visible against pale cards and blue controls. */
:where(
    .site-nav__link,
    .site-nav__language-link,
    .free-places-age-tab,
    .contacts-button,
    .building-card__map-link,
    .pagination__link,
    .faq-item__question,
    .back-to-top
):focus-visible {
    box-shadow:
        0 0 0 2px var(--color-background),
        0 0 0 5px var(--color-text);
}


/*
---------------------------------------------------------
Touch targets
---------------------------------------------------------
*/

@media (pointer: coarse) {
    :where(
        .site-nav__link,
        .site-nav__language-link,
        .free-places-age-tab,
        .contacts-button,
        .building-card__map-link,
        .pagination__link,
        .back-to-top
    ) {
        min-height: 44px;
    }
}


/*
---------------------------------------------------------
Reduced motion
---------------------------------------------------------
*/

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto !important;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        transition-delay: 0ms !important;
    }
}