/*
 * Mobile-First Hardening CSS
 * Optimizes for performance, accessibility, and mobile UX
 */

/* Accessibility Utilities */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px !important;
    border-radius: 4px;
}

/* Performance: Lazy Loading Images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Mobile-Specific Optimizations */
@media (max-width: 768px) {
    /* Fix header globally: make fixed on mobile so hide-on-scroll works on all pages */
    .site-header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 10000 !important;
    }
    /* Account for fixed header height */
    body { padding-top: 72px !important; }
    
    /* Hero Video Optimization - Hide video, show poster */
    .hero-video {
        display: none !important;
    }
    
    .hero-poster {
        display: block !important;
        width: 100% !important;
        height: auto !important;
        object-fit: cover;
        object-position: center;
    }

    /* Fix hero section height and layout on mobile */
    .hero-section {
        min-height: 60vh !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 2rem 0 !important;
    }

    /* Hero container & content: remove absolute layout to avoid large whitespace */
    .hero-container {
        position: static !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        padding: 1rem !important;
        width: 100% !important;
        max-width: 100% !important;
        display: block !important;
        height: auto !important;
    }
    
    .hero-content { 
        padding: 1rem !important; 
        margin: 0 !important;
        max-width: 100% !important;
    }
    
    .hero-text { 
        text-align: center !important;
        text-shadow: none !important;
        background: rgba(15,23,42,0.72) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        border: 1px solid rgba(255,255,255,0.12) !important;
        border-radius: 12px !important;
        padding: 1.25rem 1rem 1.35rem !important;
        box-shadow: 0 4px 24px rgba(0,0,0,0.18) !important;
    }

    /* Better mobile typography */
    .hero-text h1 {
        font-size: 2.2rem !important;
        line-height: 1.2 !important;
        margin-bottom: 1rem !important;
        color: #fff !important;
    }

    .hero-kicker {
        font-size: 0.9rem !important;
        margin-bottom: 1rem !important;
        color: var(--primary-light) !important;
    }

    .hero-benefits li {
        font-size: 0.88rem !important;
        color: rgba(255,255,255,0.9) !important;
    }

    /* Darken hero overlay on mobile for better text readability */
    .hero-overlay { 
        background: linear-gradient(180deg, rgba(15,23,42,0.7) 0%, rgba(15,23,42,0.8) 100%) !important; 
    }
    
    /* Sticky Mobile CTA Bar */
    .mobile-cta {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        display: flex;
        gap: 8px;
        padding: 12px;
        background: #fff;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
        z-index: 9999;
        border-top: 1px solid #e5e7eb;
    }
    
    .mobile-cta .cta-item {
        flex: 1;
        text-align: center;
        padding: 16px 12px;
        border-radius: 12px;
        border: 1px solid #e5e7eb;
        font-weight: 600;
        text-decoration: none;
        color: #374151;
        transition: all 0.2s ease;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
    }
    
    .mobile-cta .cta-item:hover {
        background: #f9fafb;
        border-color: #d1d5db;
    }
    
    .mobile-cta .cta-item.primary {
        background: var(--primary-color);
        color: #fff;
        border-color: var(--primary-color);
    }
    
    .mobile-cta .cta-item.primary:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
    }
    
    /* Add bottom padding to body to account for sticky CTA */
    body {
        padding-bottom: 80px !important;
    }
    
    /* Better mobile CTA positioning + iOS safe-area */
    .mobile-cta {
        padding: 10px 12px !important;
        padding-bottom: max(12px, env(safe-area-inset-bottom)) !important;
        gap: 10px !important;
        background: rgba(255,255,255,0.98) !important;
        backdrop-filter: blur(10px) !important;
        border-top: 1px solid rgba(0,0,0,0.1) !important;
    }
    
    /* Enhanced Tap Targets */
    .btn,
    .header-actions .btn,
    .mobile-cta .cta-item {
        min-height: 48px;
        min-width: 48px;
        padding: 12px 16px;
        touch-action: manipulation;
    }
    
    /* Mobile Navigation Menu */
    .main-navigation {
        order: 3 !important;
        flex-basis: 100% !important;
        width: 100% !important;
    }
    
    .main-navigation .nav-menu {
        display: none !important;
        flex-direction: column !important;
        gap: 0 !important;
        background: #fff !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
        border-radius: 8px !important;
        padding: 1rem !important;
        margin-top: 0.5rem !important;
        position: relative !important;
        z-index: 1000 !important;
    }
    
    .main-navigation .nav-menu.active {
        display: flex !important;
    }
    
    /* Navigation Menu Touch Targets */
    .main-navigation .nav-menu a {
        min-height: 48px !important;
        display: flex !important;
        align-items: center !important;
        padding: 12px 16px !important;
        touch-action: manipulation !important;
        border-bottom: 1px solid #f3f4f6 !important;
        color: var(--menu-link-color, #2196A3) !important;
        text-decoration: none !important; /* ensure no underline or strikethrough */
        text-decoration-line: none !important;
        font-weight: 500 !important;
    }
    /* Remove animated underline pseudo-element from desktop styles */
    .main-navigation .nav-menu a::after { display: none !important; }
    
    .main-navigation .nav-menu li:last-child a {
        border-bottom: none !important;
    }
    
    .main-navigation .nav-menu a:hover {
        background: #f9fafb !important;
        color: var(--menu-link-hover-color, #1A7A85) !important;
        border-radius: 6px !important;
    }
    
    /* Menu Toggle Button */
    .menu-toggle,
    .nav-toggle {
        display: block !important;
        min-height: 44px !important;
        min-width: 44px !important;
        padding: 8px !important;
        touch-action: manipulation !important;
        border-radius: 6px !important;
        cursor: pointer !important;
        order: 2 !important;
    }
    
    .menu-toggle:focus,
    .nav-toggle:focus {
        outline: 2px solid var(--menu-link-hover-color, #1A7A85) !important;
        outline-offset: 2px !important;
    }
}

/* Small Mobile Devices */
@media (max-width: 375px) {
    
    /* Convert "Learn more" links to full-width buttons */
    a.link-more,
    .learn-more-link,
    .service-link {
        display: block !important;
        width: 100% !important;
        padding: 16px !important;
        border: 1px solid #e5e7eb !important;
        border-radius: 12px !important;
        text-align: center !important;
        font-weight: 600 !important;
        text-decoration: none !important;
        background: #fff !important;
        color: var(--primary-color) !important;
        margin: 8px 0 !important;
        min-height: 48px !important;
        box-sizing: border-box !important;
        touch-action: manipulation;
        transition: all 0.2s ease;
    }
    
    a.link-more:hover,
    .learn-more-link:hover,
    .service-link:hover {
        background: #f8fafc !important;
        border-color: var(--primary-color) !important;
    }
    
    /* Improved form elements */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    select,
    textarea {
        min-height: 48px !important;
        padding: 12px 16px !important;
        font-size: 16px !important; /* Prevents zoom on iOS */
        border-radius: 8px !important;
        border: 1px solid #d1d5db !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    /* Mobile CTA adjustments for very small screens */
    .mobile-cta {
        padding: 8px;
        gap: 6px;
    }
    
    .mobile-cta .cta-item {
        padding: 14px 8px;
        font-size: 13px;
    }
}

/* Desktop and Tablet - Hide mobile-specific elements */
@media (min-width: 769px) {
    
    /* Show video, hide poster on larger screens */
    .hero-video {
        display: block !important;
    }
    
    .hero-poster {
        display: none !important;
    }
    
    /* Hide mobile CTA bar on desktop */
    .mobile-cta {
        display: none !important;
    }
    
    /* Remove mobile body padding on desktop */
    body {
        padding-bottom: 0 !important;
    }
}

/* Performance and Accessibility Enhancements */

/* Smooth scrolling for better UX */
html {
    scroll-behavior: smooth;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn,
    .mobile-cta .cta-item {
        border-width: 2px !important;
    }
    
    :focus-visible {
        outline-width: 3px !important;
    }
}

/* Dark mode considerations */
@media (prefers-color-scheme: dark) {
    .mobile-cta {
        background: #1f2937;
        border-top-color: #374151;
    }
    
    .mobile-cta .cta-item {
        background: #374151;
        color: #f9fafb;
        border-color: #4b5563;
    }
    
    .mobile-cta .cta-item:hover {
        background: #4b5563;
    }
}

/* Print styles */
@media print {
    .mobile-cta,
    .menu-toggle,
    .header-actions {
        display: none !important;
    }
    
    body {
        padding-bottom: 0 !important;
    }
}

/* Header compactness & logo sizing on mobile */
@media (max-width: 768px) {
    /* Very compact notification bar */
    .top-notification { 
        padding: 4px 0 !important; 
        font-size: 0.8rem !important; 
    }
    
    /* Compact logo for mobile */
    .real-logo img,
    .custom-logo-link img,
    .custom-logo { 
        max-height: 48px !important; 
        margin: 4px 0 !important; 
        height: auto !important; 
    }
    
    /* Compact site header */
    .site-header {
        padding: 0 !important;
    }
    
    /* Very compact header layout */
    .header-content {
        padding: 0.25rem 0 !important;
        align-items: center !important;
        min-height: auto !important;
        flex-wrap: wrap !important;
        display: flex !important;
        justify-content: space-between !important;
    }
    
    /* Ensure proper mobile menu ordering */
    .site-branding {
        order: 1 !important;
        flex: 1 !important;
    }
    
    /* Smaller hamburger menu */
    .nav-toggle, .menu-toggle { 
        padding: 8px !important;
        border: 1px solid #e5e7eb !important;
        border-radius: 6px !important;
        background: #fff !important;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
        min-height: auto !important;
        min-width: auto !important;
    }
    
    .nav-toggle svg, .menu-toggle svg {
        width: 20px !important;
        height: 20px !important;
        color: var(--menu-link-color, #2196A3) !important;
    }
    
    /* Compact header actions */
    .header-actions .btn {
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
        border-radius: 6px !important;
        min-height: auto !important;
    }
    
    /* Hide header actions on very small screens to save space */
    @media (max-width: 480px) {
        .header-actions {
            display: none !important;
        }
    }
}