/* Accessibility helpers — WCAG 2.4.1 (skip link), focus-visible, sr-only.
   Подключается через head-common.html. */

/* Skip-to-content link — спрятан offscreen в normal-state,
   выпадает в верхний-левый угол при keyboard focus. */
.v2-skip-link {
    position: absolute;
    left: -9999px;
    top: -9999px;
    background: var(--v2-accent);
    color: #0a0a0a;
    padding: 12px 20px;
    z-index: 10000;
    font-family: var(--v2-f-mono, monospace);
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 4px 0;
}
.v2-skip-link:focus,
.v2-skip-link:focus-visible {
    position: fixed;
    left: 0;
    top: 0;
    outline: 2px solid #fff;
    outline-offset: -4px;
}

/* Visually hidden but available to screen readers (utility) */
.v2-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}