/**
 * Global Accessibility Styles
 * WCAG 2.1 Level AA Compliance
 */

/* ═══════════════════════════════════════════════════════════════════
   GLOBAL NAV STYLES
   ═══════════════════════════════════════════════════════════════════ */

/* Consistent nav font size across all pages */
nav a, nav button {
    font-size: 16px !important;
}

/* Screen reader only - visually hidden but accessible */
.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;
}

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #020816;
    color: white;
    padding: 8px 16px;
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* ═══════════════════════════════════════════════════════════════════
   KEYBOARD FOCUS STYLES
   Only show focus indicators for keyboard navigation (not mouse clicks)
   ═══════════════════════════════════════════════════════════════════ */

/* Remove default focus outlines for mouse users */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus,
[tabindex]:focus,
[role="button"]:focus,
[role="link"]:focus,
[role="menuitem"]:focus {
    outline: none;
}

/* Show subtle focus ring only for keyboard navigation */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
[role="button"]:focus-visible,
[role="link"]:focus-visible,
[role="menuitem"]:focus-visible {
    outline: 2px solid #1a3060;
    outline-offset: 2px;
}

/* Form inputs always show focus for usability */
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #1a3060;
    outline-offset: 1px;
}

/* Ensure sufficient touch target size (WCAG 2.5.5) */
button,
a.touch-manipulation,
[role="button"] {
    min-height: 24px;
    min-width: 24px;
}

/* Reduce motion for users who prefer it */
@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;
    }
}

/* High contrast mode - enhanced focus for accessibility users */
@media (prefers-contrast: high) {
    a:focus-visible,
    button:focus-visible {
        outline: 3px solid currentColor !important;
        outline-offset: 3px !important;
    }
}

/* Dark section focus - lighter outline for visibility */
.dark-section a:focus-visible,
.dark-section button:focus-visible,
[class*="bg-dark"] a:focus-visible,
[class*="bg-dark"] button:focus-visible {
    outline-color: rgba(255, 255, 255, 0.6);
}

/* ═══════════════════════════════════════════════════════════════════
   GLOBAL DARK SECTION GRADIENT
   ═══════════════════════════════════════════════════════════════════ */

.bg-dark-section-light {
    background: linear-gradient(135deg, #020816 0%, #1a3060 100%) !important;
}