/* ============================================
           Accessibility Tools
        ============================================ */
        .a11y-trigger {
            position: fixed;
            left: 20px;
            bottom: 20px;
            top: auto;
            transform: none;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            border: none;
            border-radius: 50%;
            cursor: pointer;
            z-index: 9999;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
            transition: var(--transition);
        }

        .a11y-trigger:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(99, 102, 241, 0.5);
        }

        .a11y-trigger i {
            font-size: 1.5rem;
            color: white;
        }

        .a11y-trigger.active {
            background: var(--accent);
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
        }

        .a11y-panel {
            position: fixed;
            left: -400px;
            bottom: 90px;
            top: auto;
            transform: none;
            width: 340px;
            max-height: 80vh;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            z-index: 9998;
            transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .a11y-panel.active {
            left: 20px;
        }

        .a11y-panel-header {
            padding: 1.25rem 1.5rem;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: white;
        }

        .a11y-panel-header h3 {
            color: white;
            font-size: 1.125rem;
            margin-bottom: 0.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .a11y-panel-header p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8125rem;
            margin: 0;
        }

        .a11y-panel-body {
            padding: 1rem;
            overflow-y: auto;
            flex: 1;
        }

        .a11y-section {
            margin-bottom: 1rem;
        }

        .a11y-section-title {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.75rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border);
        }

        .a11y-option {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem;
            background: var(--bg-light);
            border-radius: var(--radius);
            margin-bottom: 0.5rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .a11y-option:hover {
            border-color: var(--primary);
        }

        .a11y-option.active {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
            border-color: var(--primary);
        }

        .a11y-option-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .a11y-option-icon {
            width: 36px;
            height: 36px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--primary);
        }

        .a11y-option.active .a11y-option-icon {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: white;
        }

        .a11y-option-text h4 {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.125rem;
        }

        .a11y-option-text p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 0;
        }

        .a11y-toggle {
            width: 44px;
            height: 24px;
            background: var(--border);
            border-radius: 12px;
            position: relative;
            transition: var(--transition);
        }

        .a11y-toggle::after {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            width: 20px;
            height: 20px;
            background: white;
            border-radius: 50%;
            transition: var(--transition);
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .a11y-option.active .a11y-toggle {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
        }

        .a11y-option.active .a11y-toggle::after {
            left: 22px;
        }

        /* Font Size Controls */
        .a11y-font-controls {
            display: flex;
            gap: 0.5rem;
        }

        .a11y-font-btn {
            flex: 1;
            padding: 0.5rem;
            background: var(--bg-light);
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-dark);
            transition: var(--transition);
            font-family: inherit;
        }

        .a11y-font-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .a11y-font-btn.active {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            border-color: transparent;
            color: white;
        }

        /* Reset Button */
        .a11y-reset {
            width: 100%;
            padding: 0.875rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-size: 0.9375rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            transition: var(--transition);
            margin-top: 0.5rem;
            font-family: inherit;
        }

        .a11y-reset:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
        }

        /* A11y Panel Close Button */
        .a11y-close {
            position: absolute;
            top: 1rem;
            left: 1rem;
            width: 32px;
            height: 32px;
            background: rgba(255,255,255,0.2);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1rem;
            transition: var(--transition);
        }

        .a11y-close:hover {
            background: rgba(255,255,255,0.3);
        }

        /* Accessibility Effects on Body */
        
        /* Font Sizes */
        body.a11y-font-small { font-size: 14px; }
        body.a11y-font-large { font-size: 18px; }
        body.a11y-font-xlarge { font-size: 20px; }

        /* High Contrast */
        body.a11y-high-contrast {
            filter: contrast(1.4);
        }

        /* Invert Colors */
        body.a11y-invert {
            filter: invert(1) hue-rotate(180deg);
        }

        body.a11y-invert img,
        body.a11y-invert video,
        body.a11y-invert .hero-image-wrapper {
            filter: invert(1) hue-rotate(180deg);
        }

        /* Grayscale */
        body.a11y-grayscale {
            filter: grayscale(1);
        }

        /* Highlight Links */
        body.a11y-links-highlight a {
            text-decoration: underline !important;
            text-underline-offset: 3px;
        }

        body.a11y-links-highlight a:not(.btn):not(.logo) {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
            padding: 0.125rem 0.25rem;
            border-radius: 3px;
        }

        /* Readable Font */
        body.a11y-readable-font,
        body.a11y-readable-font * {
            font-family: 'Arial', 'Helvetica', sans-serif !important;
            letter-spacing: 0.5px;
        }

        /* Text Spacing */
        body.a11y-spacing-medium {
            letter-spacing: 1px;
            word-spacing: 2px;
        }

        body.a11y-spacing-wide {
            letter-spacing: 2px;
            word-spacing: 4px;
        }

        /* Line Height */
        body.a11y-line-medium {
            line-height: 2;
        }

        body.a11y-line-wide {
            line-height: 2.5;
        }

        /* Stop Animations */
        body.a11y-no-animations,
        body.a11y-no-animations * {
            animation: none !important;
            transition: none !important;
        }

        /* Big Cursor */
        body.a11y-big-cursor,
        body.a11y-big-cursor * {
            cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M5.5 3.21V20.8l4.86-4.86h6.78L5.5 3.21z'/%3E%3C/svg%3E") 0 0, auto !important;
        }

        /* Reading Guide */
        .reading-guide {
            display: none;
            position: fixed;
            left: 0;
            right: 0;
            height: 40px;
            background: rgba(99, 102, 241, 0.1);
            border-top: 2px solid var(--primary);
            border-bottom: 2px solid var(--primary);
            pointer-events: none;
            z-index: 9997;
            transition: top 0.05s ease;
        }

        body.a11y-reading-guide .reading-guide {
            display: block;
        }

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .a11y-trigger {
                left: 10px;
                width: 48px;
                height: 48px;
                bottom: 20px;
                top: auto;
                transform: none;
            }

            .a11y-trigger:hover {
                transform: scale(1.1);
            }

            .a11y-panel {
                left: 0;
                right: 0;
                bottom: -100%;
                top: auto;
                transform: none;
                width: 100%;
                max-width: 100%;
                max-height: 70vh;
                border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            }

            .a11y-panel.active {
                left: 0;
                bottom: 0;
            }
        }