/* ========================================
   ACCESSIBILITY ENHANCEMENTS
   WebWits.nl - WCAG 2.1 AA Compliance
   ======================================== */

/* ---------- Skip to Content Link ---------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-nav);
    padding: 1rem 2rem;
    background: var(--primary-600, #4f46e5);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 0 0 0.75rem 0.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--warning-500, #f59e0b);
    outline-offset: 2px;
}

/* ---------- Focus Visible Styles ---------- */
/* Universal focus style for all interactive elements */
:focus {
    outline: none;
}

:focus-visible {
    outline: 3px solid var(--primary-500, #6366f1);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Specific focus styles for buttons */
.btn:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary-400, #818cf8);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.2);
}

/* Focus styles for links */
a:focus-visible {
    outline: 3px solid var(--primary-500, #6366f1);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Navigation links */
.nav-link:focus-visible,
.nav-menu a:focus-visible {
    outline: 2px solid var(--primary-400, #818cf8);
    outline-offset: 4px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 4px;
}

/* Form inputs */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: none;
    border-color: var(--primary-500, #6366f1);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* Checkbox and radio focus */
input[type="checkbox"]:focus-visible + label,
input[type="radio"]:focus-visible + label {
    outline: 2px solid var(--primary-500, #6366f1);
    outline-offset: 2px;
}

/* Card focus */
.pricing-card:focus-visible,
.service-card:focus-visible,
.feature-card:focus-visible {
    outline: 3px solid var(--primary-500, #6366f1);
    outline-offset: 4px;
}

/* Language switcher buttons */
.lang-btn:focus-visible {
    outline: 2px solid var(--primary-400, #818cf8);
    outline-offset: 2px;
}

/* Social links */
.social-links a:focus-visible {
    outline: 2px solid var(--primary-400, #818cf8);
    outline-offset: 4px;
    border-radius: 50%;
}

/* Mobile menu toggle */
.mobile-toggle:focus-visible,
.nav-toggle:focus-visible {
    outline: 3px solid var(--primary-400, #818cf8);
    outline-offset: 4px;
    border-radius: 4px;
}

/* FAQ items */
.faq-question:focus-visible {
    outline: 2px solid var(--primary-500, #6366f1);
    outline-offset: 2px;
    background: rgba(99, 102, 241, 0.05);
}

/* WhatsApp float button */
.whatsapp-float:focus-visible {
    outline: 3px solid white;
    outline-offset: 4px;
}

/* ---------- High Contrast Mode Support ---------- */
@media (prefers-contrast: high) {
    :focus-visible {
        outline: 3px solid CanvasText;
        outline-offset: 3px;
    }
    
    .skip-link:focus {
        outline: 3px solid CanvasText;
        background: Canvas;
        color: CanvasText;
    }
    
    .btn:focus-visible,
    button:focus-visible {
        outline: 3px solid CanvasText;
        box-shadow: none;
    }
}

/* ---------- Reduced Motion Support ---------- */
@media (prefers-reduced-motion: reduce) {
    .skip-link {
        transition: none;
    }
    
    :focus-visible {
        transition: none;
    }
}

/* ---------- 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: 0;
}

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

/* ---------- Live Region for Announcements ---------- */
.aria-live-region {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ---------- Better Touch Targets ---------- */
@media (pointer: coarse) {
    button,
    a,
    input,
    select,
    textarea {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        padding: 12px 16px;
    }
    
    .social-links a {
        padding: 12px;
    }
}

/* ---------- [A11Y] Global prefers-reduced-motion ---------- */
/* Improvement: Ensures ALL animations/transitions respect user motion preferences sitewide */
@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;
    }
    
    /* Disable parallax and floating effects */
    .hero-particles,
    .htw-particles,
    .floating-shapes,
    .floating-elements,
    .scroll-indicator,
    .htw-scan-line,
    .htw-orb,
    .particle,
    .htw-particle,
    .htw-float-line {
        display: none !important;
    }
    
    /* Remove transform-based hover effects */
    .btn:hover,
    .service-card:hover,
    .pricing-card:hover {
        transform: none !important;
    }
}

/* ---------- [A11Y] Forced colors / Windows High Contrast Mode ---------- */
/* Improvement: Ensures usability under Windows High Contrast Mode (WCAG 2.2) */
@media (forced-colors: active) {
    .btn-primary,
    .btn-outline,
    .btn-white {
        border: 2px solid ButtonText;
    }
    
    .skip-link:focus {
        outline: 3px solid LinkText;
    }
    
    .nav-link.active,
    .nav-link:hover {
        forced-color-adjust: none;
        border-bottom: 2px solid LinkText;
    }
    
    .gradient-text {
        -webkit-text-fill-color: unset;
        background: none;
        color: CanvasText;
    }
    
    .faq-question[aria-expanded="true"],
    .faq-item.active .faq-question {
        border-color: LinkText;
    }
    
    .progress-bar-fill,
    .scroll-progress {
        background: Highlight !important;
    }
}

/* ---------- [A11Y] Improved color contrast for text-muted elements ---------- */
/* Improvement: Ensures gray text meets WCAG 2.2 AA 4.5:1 contrast ratio */
.mega-service-desc,
.mega-category-desc,
.mega-featured-desc,
.quick-contact-note,
.cookie-desc {
    color: var(--gray-600, #4b5563); /* 4.68:1 contrast on white — passes AA */
}

/* ---------- [A11Y] FAQs: connect question to answer via IDs ---------- */
/* Improvement: Ensure faq-answer panels are hidden by default and toggleable */
.faq-answer {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 2000px; /* generous max for content */
}

@media (prefers-reduced-motion: reduce) {
    .faq-answer {
        transition: none;
    }
}

/* ---------- [A11Y] Visible current-page indicator for screen readers ---------- */
/* Improvement: Adds a visual underline for current page in nav, reinforcing aria-current */
.nav-link[aria-current="page"] {
    border-bottom: 2px solid var(--primary-400, #818cf8);
}

/* ---------- [A11Y] Focus trap visual cue for dialogs ---------- */
/* Improvement: Stronger outline for modals/dialogs to indicate focus containment */
[role="dialog"]:focus-visible,
.cookie-settings-content:focus-visible,
.video-modal-content:focus-visible {
    outline: 3px solid var(--primary-500, #6366f1);
    outline-offset: 2px;
}

/* ---------- [A11Y] Ensure decorative images don't get focus ---------- */
img[alt=""] {
    pointer-events: none;
}

/* ---------- [RESPONSIVE] Prevent horizontal overflow globally ---------- */
/* Improvement: Bulletproof overflow prevention */
html {
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* ---------- [RESPONSIVE] Ensure all images/media scale properly ---------- */
/* Improvement: Global max-width rule for embedded content */
img, video, iframe, object, embed, svg {
    max-width: 100%;
    height: auto;
}

/* ---------- [COMPAT] Fallback for backdrop-filter (Firefox < 103) ---------- */
/* Improvement: Provides opaque background when backdrop-filter is unsupported */
@supports not ((-webkit-backdrop-filter: blur(10px)) or (backdrop-filter: blur(10px))) {
    .navbar {
        background: rgba(15, 15, 35, 0.95) !important;
    }
    
    .navbar.scrolled {
        background: rgba(15, 15, 35, 0.97) !important;
    }
}

/* ---------- [RESPONSIVE] Better spacing on very small screens (<360px) ---------- */
/* Improvement: Prevents content cramping on older/small devices */
@media (max-width: 359px) {
    :root {
        --container-padding: 0.75rem;
    }
    
    h1 { font-size: clamp(1.75rem, 7vw, 2.5rem); }
    h2 { font-size: clamp(1.5rem, 6vw, 2rem); }
    h3 { font-size: clamp(1.125rem, 5vw, 1.5rem); }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}

/* ---------- [RESPONSIVE] Tablet landscape improvements ---------- */
@media (min-width: 769px) and (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------- [RESPONSIVE] Large screen guard ---------- */
/* Improvement: Prevents content from stretching too wide on ultrawide monitors */
@media (min-width: 2560px) {
    .container {
        max-width: 1440px;
    }
}

/* ---------- [PERFORMANCE] Content-visibility for below-fold sections ---------- */
/* Improvement: Reduces initial rendering cost for offscreen sections */
.services-section,
.business-section,
.minimalist-section,
.testimonials-section,
.pricing-preview-section,
.learn-webdesign-section,
.blog-preview-section,
.faq-section,
.cta-section {
    content-visibility: auto;
    contain-intrinsic-size: 0 600px;
}

/* ---------- Print Styles for Accessibility ---------- */
@media print {
    .skip-link,
    .whatsapp-float,
    .cookie-banner,
    .back-to-top,
    .cursor-dot,
    .cursor-outline,
    .scroll-progress,
    .mobile-toggle,
    .language-switcher,
    .cookie-settings-panel,
    video,
    .hero-particles,
    .htw-particles {
        display: none !important;
    }
    
    /* Improvement: Better print readability */
    body {
        color: #000 !important;
        background: #fff !important;
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
    
    a[href^="tel:"]::after,
    a[href^="mailto:"]::after {
        content: " (" attr(href) ")";
    }
    
    a[href^="#"]::after,
    a[href^="javascript:"]::after {
        content: "";
    }
    
    /* Improvement: Ensure pages break cleanly */
    h1, h2, h3, h4 {
        page-break-after: avoid;
    }
    
    .pricing-card, .service-card, .testimonial-card {
        page-break-inside: avoid;
    }
}