/* Accessibility enhancements (A11y / WCAG 2.1 AA helpers) */

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

/* Skip-to-content link: hidden until focused, then displayed prominently */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    z-index: 9999;
    padding: 12px 20px;
    background: #000;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    border-radius: 0 0 6px 0;
    transition: top 0.2s ease-in-out;
}

.skip-to-content:focus,
.skip-to-content:focus-visible {
    top: 0;
    outline: 3px solid #ffd54f;
    outline-offset: 2px;
}

/* Visible focus styles for keyboard navigation (overrides any outline:none in custom.css) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid #ffd54f !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.45) !important;
}

/* Respect users that prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .preloader,
    .image-anime,
    .wow {
        animation: none !important;
    }
}

/* High-contrast preference: thicker focus ring and stronger borders */
@media (prefers-contrast: more) {
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline-width: 4px !important;
    }
    .form-control,
    input,
    textarea,
    select {
        border-width: 2px !important;
    }
}

/* Forced-colors mode (Windows High Contrast) */
@media (forced-colors: active) {
    a:focus-visible,
    button:focus-visible {
        outline: 3px solid CanvasText !important;
    }
}

/* Make sure form labels and form controls don't lose contrast on hover */
.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 213, 79, 0.4);
}

/* Ensure decorative images flagged with role="presentation" or empty alt don't add noise to AT */
img[alt=""],
img[role="presentation"] {
    pointer-events: none;
}

/* Improve link affordances inside body text */
main a:not(.btn):not(.btn-default):not(.navbar-brand):not(.nav-link) {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Default size & spacing for tap targets (WCAG 2.5.5 Target Size) */
.nav-link,
.btn,
.btn-default {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}