/* Accessibility improvements for NB Support website */

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
    border-radius: 4px;
    font-weight: 500;
}

.skip-link:focus {
    top: 6px;
}

/* Language switch styling */
.lang-switch {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
}

.lang-switch button {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 44px;
    min-height: 44px;
}

.lang-switch button:hover,
.lang-switch button:focus {
    background: var(--primary-color);
    color: white;
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.lang-switch button.active {
    background: var(--primary-color);
    color: white;
}

.lang-switch button:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Enhanced focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Improved service card accessibility */
.service-card-header {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.service-card-header:focus {
    outline: none;
}

.service-card-header:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

/* 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;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero-title,
    .section-title {
        color: #000;
        text-shadow: none;
    }
    
    .btn {
        border: 2px solid #000;
    }
    
    .service-card {
        border: 2px solid #000;
    }
}

/* 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;
    }

    .service-card,
    .service-card-details {
        transition: none !important;
    }

    .hero-content,
    .fade-in-up {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Mobile accessibility improvements */
@media (max-width: 768px) {
    .lang-switch {
        margin-left: 0;
        margin-top: 0.5rem;
    }

    .service-card-header {
        min-height: 60px; /* Larger touch target */
    }
    
    .mobile-menu-toggle {
        min-width: 48px;
        min-height: 48px;
    }
}

/* Header scroll states */
.site-header.scrolled {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.site-header.hidden {
    transform: translateY(-100%);
    background: rgba(15, 23, 42, 0.98);
}

.site-header {
    transition: all 0.3s ease;
}