/* ============================================
   Accessibility Stylesheet
   WCAG 2.1 AA Compliance
   ============================================ */

/* Skip to Content Link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 0;
    font-weight: 600;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 0;
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}

/* Enhanced Focus Indicators */
*:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    border-radius: 2px;
}

/* High contrast focus for better visibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    box-shadow: 0 0 0 2px var(--white), 0 0 0 5px var(--primary);
}

/* Focus styles for interactive elements */
.btn:focus-visible {
    outline: 3px solid var(--white);
    outline-offset: 3px;
    box-shadow: 0 0 0 2px var(--primary), 0 0 0 5px var(--white);
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

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

/* Error States - Not just color */
.error-message.show {
    display: block;
    color: #DC2626;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

.error-message.show::before {
    content: "⚠ ";
    font-weight: bold;
}

input:invalid:not(:focus):not(:placeholder-shown),
select:invalid:not(:focus),
textarea:invalid:not(:focus):not(:placeholder-shown) {
    border-color: #DC2626;
    border-width: 2px;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

input:invalid:not(:focus):not(:placeholder-shown) + .error-message,
select:invalid:not(:focus) + .error-message,
textarea:invalid:not(:focus):not(:placeholder-shown) + .error-message {
    display: block;
}

/* Success States */
.success-message {
    display: block;
    color: #059669;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

.success-message::before {
    content: "✓ ";
    font-weight: bold;
}

input:valid:not(:placeholder-shown),
select:valid,
textarea:valid:not(:placeholder-shown) {
    border-color: #059669;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary: #A01A2E;
        --charcoal: #000000;
        --gray-700: #000000;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    *:focus-visible {
        outline-width: 4px;
    }
}

/* Reduced Motion Support */
@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;
    }
}

/* ARIA Live Regions */
[aria-live].sr-only {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
[aria-live].polite {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
[aria-live].announce {
    position: static;
    left: auto;
    width: auto;
    height: auto;
    overflow: visible;
}

/* Modal Accessibility */
[role="dialog"] {
    position: fixed;
    z-index: 1000;
}

[role="dialog"]:focus {
    outline: none;
}

/* Form Field Associations */
.form-group {
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--charcoal);
}

.form-group label.required::after {
    content: " *";
    color: #DC2626;
    font-weight: bold;
}

/* Icon Decoration - Hide from Screen Readers */
.icon-decorative {
    pointer-events: none;
}

.icon-decorative svg,
.icon-decorative i {
    aria-hidden: true;
}

/* Loading States */
[aria-busy="true"] {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

[aria-busy="true"]::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Keyboard Navigation Indicators */
.keyboard-nav *:focus {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

.mouse-nav *:focus:not(:focus-visible) {
    outline: none;
}

/* Tab Order Visual Indicator */
.tab-order-indicator {
    position: relative;
}

.tab-order-indicator::before {
    content: attr(data-tab-order);
    position: absolute;
    top: -8px;
    left: -8px;
    background: var(--primary);
    color: var(--white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    z-index: 1;
}

/* Ensure sufficient color contrast */
.text-low-contrast {
    color: var(--gray-700);
}

/* Link Focus States */
a:focus-visible {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

/* Button Focus States */
button:focus-visible {
    transform: scale(1.02);
}

/* Ensure interactive elements are keyboard accessible */
[tabindex="-1"]:focus {
    outline: none;
}

/* Landmark Regions */
main {
    outline: none;
}

main:focus {
    outline: 2px dashed var(--primary);
    outline-offset: 4px;
}

/* Breadcrumb Navigation */
.breadcrumb {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb ol {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    padding: 1rem 0;
    margin: 0;
    flex-wrap: wrap;
    align-items: center;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover,
.breadcrumb a:focus {
    color: var(--primary);
    text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
    color: var(--charcoal);
    font-weight: 500;
}

.breadcrumb [aria-hidden="true"] {
    color: var(--gray-400);
    user-select: none;
}

/* Testimonial Cards Accessibility */
.testimonial-card {
    display: none;
}

.testimonial-card.active {
    display: block;
}

.testimonial-card[aria-hidden="true"] {
    display: none;
}

.testimonial-card[aria-hidden="false"] {
    display: block;
}

/* Testimonial Dots as Buttons */
.testimonial-dots .dot {
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-300);
    transition: all 0.3s ease;
    display: inline-block;
}

.testimonial-dots .dot:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.testimonial-dots .dot.active,
.testimonial-dots .dot[aria-selected="true"] {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    transform: scale(1.3);
}

.testimonial-dots .dot:hover {
    background-color: var(--primary-light);
    transform: scale(1.2);
}

/* Testimonial Blockquote Styling */
.testimonial-content blockquote {
    margin: 0;
    padding: 0;
    border: none;
    quotes: none;
}

.testimonial-content blockquote p {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-content cite {
    font-style: normal;
    display: block;
}

.testimonial-content cite h4 {
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.testimonial-content cite span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Form Fieldset and Legend */
fieldset {
    border: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

fieldset:last-of-type {
    margin-bottom: 0;
}

legend.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Improved focus for testimonial slider */
#testimonialsSlider:focus {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
    border-radius: 4px;
}