.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: #667eea;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 8px 8px;
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.skip-link:focus {
    top: 0;
    outline: none;
}

.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;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

*:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
    border-radius: 2px;
}

.btn:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.25);
}

.nav-link:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: -2px;
    border-radius: 4px;
    background: rgba(102, 126, 234, 0.1);
}

.card:focus-within {
    outline: 2px solid rgba(102, 126, 234, 0.3);
    outline-offset: 2px;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-check-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

[role="button"]:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .enhanced-card:hover {
        transform: none;
    }

    .story-card-enhanced.scroll-animate {
        opacity: 1;
        transform: none;
    }

    .luna-fab:hover {
        transform: none;
    }

    .luna-fab-pulse {
        animation: none;
    }
}

html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
}

@media (prefers-contrast: high) {
    .enhanced-card {
        border: 2px solid #fff;
    }

    a {
        text-decoration: underline;
    }

    .btn {
        border: 2px solid currentColor;
    }
}

[aria-disabled="true"],
[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

img:not([alt]) {
    outline: 3px solid #dc3545;
}