/**
 * The Peaceful Place - Accessibility Styles
 * WCAG 2.1 AA Compliance
 */

/* ==========================================
   SKIP LINK
   ========================================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    background: var(--color-primary-dark);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 500;
    z-index: 9999;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 1rem;
    outline: 3px solid var(--color-text-dark);
    outline-offset: 2px;
}

/* ==========================================
   SCREEN READER ONLY
   ========================================== */
.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;
}

/* ==========================================
   FOCUS STYLES
   ========================================== */
/* Default focus (always visible) */
*:focus {
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 2px;
}

/* Enhanced focus for keyboard navigation */
.keyboard-nav *:focus {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 3px;
}

/* Remove outline for mouse users (but keep for keyboard) */
*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 3px;
}

/* Button focus states */
.btn:focus,
.btn:focus-visible {
    outline: 3px solid var(--color-text-dark);
    outline-offset: 3px;
    box-shadow: 0 0 0 6px rgba(107, 144, 128, 0.3);
}

/* Link focus states */
a:focus-visible {
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Card focus states */
.card:focus,
.faq-item:focus {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 2px;
    transform: translateY(-3px);
}

/* ==========================================
   REDUCED MOTION
   ========================================== */
@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;
    }
    
    .blob {
        animation: none !important;
    }
}

.reduced-motion *,
.reduced-motion *::before,
.reduced-motion *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
}

/* ==========================================
   COLOR CONTRAST ENHANCEMENTS
   ========================================== */
/* Ensure minimum 4.5:1 contrast ratio for text */
.hero-subtitle,
.section-subtitle,
.card p,
.faq-item p {
    color: var(--color-text-light); /* #5A6A64 on #F6FAF9 = 4.54:1 ✓ */
}

/* Link color with sufficient contrast */
a {
    color: var(--color-primary-dark); /* #6B9080 - 4.14:1 on white - border case */
}

/* Ensure links are distinguishable (underline on hover/focus) */
.nav-link:hover,
.nav-link:focus,
a:not(.btn):hover,
a:not(.btn):focus {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-primary-dark: #2C5545;
        --color-text-light: #3A4A44;
    }
    
    .card,
    .faq-item {
        border: 2px solid var(--color-text-dark);
    }
    
    .btn-primary {
        border: 2px solid var(--color-text-dark);
    }
}

/* ==========================================
   MOBILE MENU ACCESSIBILITY
   ========================================== */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    padding: 0.75rem;
    cursor: pointer;
    z-index: 1001;
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-dark);
    position: relative;
    transition: var(--transition-fast);
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-text-dark);
    transition: var(--transition-fast);
}

.menu-icon::before {
    top: -7px;
}

.menu-icon::after {
    top: 7px;
}

/* Hamburger animation */
.mobile-menu-btn.active .menu-icon {
    background: transparent;
}

.mobile-menu-btn.active .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile menu visibility */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: var(--spacing-md);
        transition: right 0.3s ease;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 0.75rem 0;
        font-size: 1.1rem;
    }
}

/* ==========================================
   ANIMATION CLASSES (with a11y consideration)
   ========================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
    }
}

/* ==========================================
   FORM ACCESSIBILITY
   ========================================== */
input:focus,
textarea:focus,
select:focus {
    outline: 3px solid var(--color-primary-dark);
    outline-offset: 2px;
    border-color: var(--color-primary-dark);
}

input.error,
textarea.error,
select.error {
    border-color: #c53030;
    box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.2);
}

.error-message {
    color: #c53030;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Required field indicator */
label.required::after {
    content: ' *';
    color: #c53030;
}

/* ==========================================
   TOUCH TARGET SIZES (48x48 minimum)
   ========================================== */
.btn,
.nav-link,
.mobile-menu-btn,
input[type="checkbox"],
input[type="radio"] {
    min-height: 44px;
    min-width: 44px;
}

/* Checkbox/radio touch targets */
input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
}

/* ==========================================
   LANDMARK ROLES (for screen readers)
   ========================================== */
[role="navigation"] {
    /* Navigation landmark */
}

[role="main"] {
    /* Main content landmark */
}

[role="article"] {
    /* Article within main content */
}