/*
 * Shared accessibility utilities. Linked from the map layout
 * (inc/map_header.inc.php) and the home layout (inc/home.inc.php), so a single
 * definition covers every county. Added as part of the WCAG 2.1 AA remediation
 * (see ADA_PLAN.md, Phase 0).
 */

/* Visually hidden, but still exposed to assistive technology. Use for input
   labels, icon-button text, "Phone:"-style prefixes, and live regions. */
.sr-only {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Consistent, on-brand keyboard focus ring (WCAG 2.4.7). Interactive elements
   that previously hid their outline now show this on keyboard focus. Mouse
   clicks don't trigger :focus-visible, so the ring only appears when needed. */
:focus-visible {
    outline: 2px solid #fa8148;
    outline-offset: 2px;
}

/* Skip-to-content link: off-screen until focused, then slides into view as the
   first Tab stop (WCAG 2.4.1). */
.skip-link {
    position: absolute;
    left: 8px;
    top: -60px;
    z-index: 3000;
    padding: 8px 14px;
    background: #000;
    color: #fff;
    text-decoration: none;
    border-radius: 0 0 6px 6px;
    transition: top .15s ease;
}
.skip-link:focus {
    top: 0;
}