/**
 * Fortress Solutions - WCAG 2.2 Level AA Accessibility System Stylesheet
 * FORTRESS COMPUTER SYSTEMS AND SOFTWARE DESIGNING L.L.C.
 * Abu Dhabi, UAE | venusfortress.com
 */

/* ==========================================================================
   1. Accessibility Floating Trigger Button
   ========================================================================== */
.a11y-trigger-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 9999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--brand-navy-dark, #09152E);
    color: #FFFFFF;
    border: 2px solid var(--brand-blue, #2055B8);
    box-shadow: 0 4px 16px rgba(9, 21, 46, 0.25), 0 0 0 2px rgba(32, 85, 184, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.25rem;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease, background-color 0.2s ease;
    touch-action: manipulation;
}

html[dir="rtl"] .a11y-trigger-btn {
    left: auto;
    right: 24px;
}

.a11y-trigger-btn:hover {
    transform: scale(1.08);
    background: var(--brand-blue-dark, #0E2A68);
    box-shadow: 0 6px 20px rgba(9, 21, 46, 0.35);
}

.a11y-trigger-btn:focus-visible {
    outline: 3px solid #FFE600 !important;
    outline-offset: 3px !important;
    box-shadow: 0 0 0 6px #09152E !important;
}

.a11y-trigger-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #38BDF8;
    color: #09152E;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 2px 5px;
    border-radius: 10px;
    border: 1px solid #FFFFFF;
}

html[dir="rtl"] .a11y-trigger-badge {
    right: auto;
    left: -4px;
}

/* ==========================================================================
   2. Accessibility Control Modal / Drawer
   ========================================================================== */
.a11y-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(9, 21, 46, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

html[dir="rtl"] .a11y-modal-backdrop {
    justify-content: flex-end;
}

.a11y-modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.a11y-modal {
    background: #FFFFFF;
    width: 100%;
    max-width: 420px;
    height: 100%;
    max-height: 100vh;
    overflow-y: auto;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    border-right: 2px solid var(--border-subtle, #E2E8F0);
}

html[dir="rtl"] .a11y-modal {
    transform: translateX(100%);
    border-right: none;
    border-left: 2px solid var(--border-subtle, #E2E8F0);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.25);
}

.a11y-modal-backdrop.active .a11y-modal {
    transform: translateX(0);
}

/* Modal Header */
.a11y-modal-header {
    padding: 20px 24px;
    background: var(--brand-navy-dark, #09152E);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 10;
}

.a11y-modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.a11y-modal-title i {
    color: #38BDF8;
}

.a11y-close-btn {
    background: transparent;
    border: none;
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.2s ease, transform 0.2s ease;
}

.a11y-close-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: rotate(90deg);
}

.a11y-close-btn:focus-visible {
    outline: 2px solid #FFE600 !important;
    outline-offset: 2px !important;
}

/* Modal Body */
.a11y-modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1;
}

.a11y-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.a11y-section-title {
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted, #64748B);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.a11y-section-title i {
    color: var(--brand-blue, #2055B8);
}

.a11y-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.a11y-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.a11y-btn {
    background: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    border-radius: 8px;
    padding: 12px 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary, #0F172A);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    min-height: 52px;
    transition: all 0.2s ease;
    text-align: center;
}

.a11y-btn i {
    font-size: 1.1rem;
    color: var(--brand-blue, #2055B8);
}

.a11y-btn:hover {
    background: #F1F5F9;
    border-color: var(--brand-blue, #2055B8);
    transform: translateY(-1px);
}

.a11y-btn.active {
    background: var(--brand-navy-dark, #09152E);
    border-color: var(--brand-blue, #2055B8);
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(9, 21, 46, 0.2);
}

.a11y-btn.active i {
    color: #38BDF8;
}

.a11y-btn:focus-visible {
    outline: 3px solid #2055B8 !important;
    outline-offset: 2px !important;
}

/* Reset / Action Footer */
.a11y-modal-footer {
    padding: 16px 24px 24px;
    border-top: 1px solid #E2E8F0;
    background: #FAFAFA;
    display: flex;
    gap: 12px;
}

.a11y-reset-btn {
    flex: 1;
    padding: 12px;
    background: #FFFFFF;
    border: 1.5px solid #CBD5E1;
    border-radius: 8px;
    color: var(--text-primary, #0F172A);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.a11y-reset-btn:hover {
    background: #F1F5F9;
    border-color: #94A3B8;
}

.a11y-reset-btn:focus-visible {
    outline: 3px solid #0E5C63;
    outline-offset: 2px;
}

/* ==========================================================================
   3. Global Accessibility Theme Overrides
   ========================================================================== */

/* --- Font Scaling --- */
html.a11y-font-lg {
    font-size: 115% !important;
}

html.a11y-font-xl {
    font-size: 130% !important;
}

/* --- High Contrast Dark Mode (Yellow & White on Pure Black) --- */
html.a11y-high-contrast {
    background-color: #000000 !important;
    color: #FFFFFF !important;
}

html.a11y-high-contrast body {
    background-color: #000000 !important;
    color: #FFFFFF !important;
}

html.a11y-high-contrast .site-header,
html.a11y-high-contrast .site-footer,
html.a11y-high-contrast .trust-card,
html.a11y-high-contrast .fallback-card,
html.a11y-high-contrast .service-pillar-card,
html.a11y-high-contrast .solution-box,
html.a11y-high-contrast .product-card,
html.a11y-high-contrast .tech-card,
html.a11y-high-contrast .project-item,
html.a11y-high-contrast .contact-info-panel,
html.a11y-high-contrast .contact-form-panel,
html.a11y-high-contrast .contact-method-card,
html.a11y-high-contrast .home-cta-box,
html.a11y-high-contrast .mobile-drawer,
html.a11y-high-contrast .a11y-modal {
    background: #000000 !important;
    color: #FFFFFF !important;
    border: 2px solid #FFE600 !important;
    box-shadow: none !important;
}

html.a11y-high-contrast a,
html.a11y-high-contrast .gradient-text,
html.a11y-high-contrast .section-badge,
html.a11y-high-contrast .brand-name,
html.a11y-high-contrast .brand-tagline,
html.a11y-high-contrast h1,
html.a11y-high-contrast h2,
html.a11y-high-contrast h3,
html.a11y-high-contrast h4,
html.a11y-high-contrast h5,
html.a11y-high-contrast p,
html.a11y-high-contrast span,
html.a11y-high-contrast li {
    color: #FFFFFF !important;
    -webkit-text-fill-color: initial !important;
    background: none !important;
}

html.a11y-high-contrast a:hover,
html.a11y-high-contrast a:focus,
html.a11y-high-contrast .section-badge,
html.a11y-high-contrast .highlight-item i,
html.a11y-high-contrast .capability-list i {
    color: #FFE600 !important;
}

html.a11y-high-contrast .btn,
html.a11y-high-contrast .filter-btn,
html.a11y-high-contrast .lang-toggle-btn {
    background: #000000 !important;
    color: #FFE600 !important;
    border: 2px solid #FFE600 !important;
}

html.a11y-high-contrast .btn:hover,
html.a11y-high-contrast .filter-btn.active {
    background: #FFE600 !important;
    color: #000000 !important;
}

html.a11y-high-contrast input,
html.a11y-high-contrast textarea,
html.a11y-high-contrast select {
    background: #000000 !important;
    color: #FFFFFF !important;
    border: 2px solid #FFE600 !important;
}

/* --- Monochrome / Grayscale Mode --- */
html.a11y-grayscale {
    filter: grayscale(100%) !important;
}

/* --- High-Contrast Light Mode --- */
html.a11y-light-contrast {
    background-color: #FFFFFF !important;
    color: #000000 !important;
}

html.a11y-light-contrast p,
html.a11y-light-contrast span,
html.a11y-light-contrast li,
html.a11y-light-contrast h1,
html.a11y-light-contrast h2,
html.a11y-light-contrast h3,
html.a11y-light-contrast h4,
html.a11y-light-contrast h5 {
    color: #000000 !important;
}

html.a11y-light-contrast .card,
html.a11y-light-contrast .solution-box,
html.a11y-light-contrast .product-card,
html.a11y-light-contrast .tech-card,
html.a11y-light-contrast .project-item,
html.a11y-light-contrast .service-pillar-card {
    border: 2px solid #000000 !important;
}

/* --- Dyslexia-Friendly Font --- */
@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@400;500;600;700&display=swap');

html.a11y-dyslexia,
html.a11y-dyslexia * {
    font-family: 'Lexend', 'Comic Sans MS', sans-serif !important;
    letter-spacing: 0.05em !important;
    word-spacing: 0.15em !important;
    line-height: 1.8 !important;
}

/* --- Highlight Interactive Links --- */
html.a11y-highlight-links a {
    text-decoration: underline 3px !important;
    text-underline-offset: 4px !important;
    background-color: rgba(254, 240, 138, 0.3) !important;
    color: #004D40 !important;
    font-weight: 700 !important;
    padding: 0 2px !important;
    border-radius: 2px !important;
}

html.a11y-high-contrast.a11y-highlight-links a {
    background-color: #000000 !important;
    color: #FFE600 !important;
    text-decoration: underline 3px !important;
}

/* --- Large Cursor --- */
html.a11y-large-cursor,
html.a11y-large-cursor * {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='36' height='36' viewBox='0 0 24 24' fill='%23000' stroke='%23fff' stroke-width='2'%3E%3Cpath d='M3 3l7 18 3-7 7-3L3 3z'/%3E%3C/svg%3E"), auto !important;
}

/* --- Reading Guide Focus Ruler --- */
#a11y-reading-guide {
    position: fixed;
    left: 0;
    width: 100vw;
    height: 36px;
    background: rgba(255, 230, 0, 0.25);
    border-top: 2px solid #D97706;
    border-bottom: 2px solid #D97706;
    pointer-events: none;
    z-index: 99999;
    display: none;
    transform: translateY(-50%);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
}

html.a11y-reading-guide-active #a11y-reading-guide {
    display: block;
}

/* --- Pause All Motion & WebGL Animations (WCAG 2.2.2 & 2.3.3) --- */
html.a11y-pause-animations *,
html.a11y-pause-animations *::before,
html.a11y-pause-animations *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
}

html.a11y-pause-animations .pulse-dot {
    animation: none !important;
}