/* ==========================================================================
   Celtic Horizon Tours - Industry-Leading Navigation System
   ========================================================================== */

/* CSS Custom Properties for Dynamic Theming */
:root {
    /* Primary Colors */
    --cht-primary: #ff6900;
    --cht-primary-hover: #e55a00;
    --cht-primary-light: #ff8a3d;
    --cht-primary-dark: #cc5500;
    
    /* Secondary Colors */
    --cht-secondary: #007cba;
    --cht-secondary-hover: #005a87;
    --cht-secondary-light: #4a9eff;
    --cht-secondary-dark: #004a73;
    
    /* Accent Colors */
    --cht-accent: #4CAF50;
    --cht-accent-hover: #45a049;
    --cht-accent-light: #66bb6a;
    --cht-accent-dark: #388e3c;
    
    /* Neutral Colors */
    --cht-white: #ffffff;
    --cht-light: #f8f9fa;
    --cht-gray: #6c757d;
    --cht-dark: #343a40;
    --cht-black: #000000;
    
    /* Category-Specific Colors */
    --cht-sports: #4CAF50;
    --cht-coach-tours: #2196F3;
    --cht-ireland-uk: #FF9800;
    --cht-school-tours: #9C27B0;
    --cht-motorcycle: #F44336;
    
    /* Spacing Scale */
    --cht-space-xs: 0.25rem;
    --cht-space-sm: 0.5rem;
    --cht-space-md: 1rem;
    --cht-space-lg: 1.5rem;
    --cht-space-xl: 2rem;
    --cht-space-2xl: 3rem;
    --cht-space-3xl: 4rem;
    
    /* Border Radius */
    --cht-radius-sm: 0.25rem;
    --cht-radius-md: 0.5rem;
    --cht-radius-lg: 1rem;
    --cht-radius-xl: 1.5rem;
    --cht-radius-2xl: 2rem;
    
    /* Shadows */
    --cht-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --cht-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --cht-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --cht-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --cht-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --cht-transition-fast: 150ms ease-in-out;
    --cht-transition-normal: 300ms ease-in-out;
    --cht-transition-slow: 500ms ease-in-out;
    
    /* Z-Index Scale */
    --cht-z-dropdown: 1000;
    --cht-z-sticky: 1020;
    --cht-z-fixed: 1030;
    --cht-z-modal: 1040;
    --cht-z-popover: 1050;
    --cht-z-tooltip: 1060;
}

/* ==========================================================================
   Enhanced Category Navigation Container
   ========================================================================== */

.cht-category-nav-shortcode {
    position: relative;
    width: 100%;
    margin: var(--cht-space-xl) 0;
    font-family: inherit;
    line-height: 1.6;
}

/* Category-Specific Styling */
.cht-category-sports {
    --cht-category-primary: var(--cht-sports);
    --cht-category-primary-hover: var(--cht-accent-hover);
    --cht-category-gradient: linear-gradient(135deg, var(--cht-sports) 0%, var(--cht-accent) 100%);
}

.cht-category-coach-tours {
    --cht-category-primary: var(--cht-coach-tours);
    --cht-category-primary-hover: var(--cht-secondary-hover);
    --cht-category-gradient: linear-gradient(135deg, var(--cht-coach-tours) 0%, var(--cht-secondary) 100%);
}

.cht-category-visit-ireland-uk {
    --cht-category-primary: var(--cht-ireland-uk);
    --cht-category-primary-hover: #f57c00;
    --cht-category-gradient: linear-gradient(135deg, var(--cht-ireland-uk) 0%, #f57c00 100%);
}

.cht-category-school-tours {
    --cht-category-primary: var(--cht-school-tours);
    --cht-category-primary-hover: #7b1fa2;
    --cht-category-gradient: linear-gradient(135deg, var(--cht-school-tours) 0%, #7b1fa2 100%);
}

/* ==========================================================================
   Hero Section Styling
   ========================================================================== */

.cht-category-hero {
    position: relative;
    width: 100%;
    min-height: 400px;
    margin-bottom: var(--cht-space-2xl);
    border-radius: var(--cht-radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cht-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.cht-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.7) 100%);
    z-index: 2;
}

.cht-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--cht-white);
    padding: var(--cht-space-2xl);
    max-width: 800px;
}

.cht-hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin: 0 0 var(--cht-space-lg) 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.cht-hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    margin: 0 0 var(--cht-space-xl) 0;
    opacity: 0.9;
    font-weight: 400;
}

.cht-hero-search {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: var(--cht-white);
    border-radius: var(--cht-radius-2xl);
    box-shadow: var(--cht-shadow-xl);
    overflow: hidden;
}

.cht-hero-search-input {
    flex: 1;
    border: none;
    padding: var(--cht-space-lg) var(--cht-space-xl);
    font-size: 1.125rem;
    outline: none;
    background: transparent;
}

.cht-hero-search-button {
    background: var(--cht-primary);
    border: none;
    padding: var(--cht-space-lg) var(--cht-space-xl);
    color: var(--cht-white);
    cursor: pointer;
    transition: background-color var(--cht-transition-fast);
}

.cht-hero-search-button:hover {
    background: var(--cht-primary-hover);
}

/* ==========================================================================
   Enhanced Category Cards
   ========================================================================== */

.cht-category-nav .cht-category-list {
    display: grid;
    gap: var(--cht-space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Responsive Grid System */
.cht-columns-1 .cht-category-list { grid-template-columns: 1fr; }
.cht-columns-2 .cht-category-list { grid-template-columns: repeat(2, 1fr); }
.cht-columns-3 .cht-category-list { grid-template-columns: repeat(3, 1fr); }
.cht-columns-4 .cht-category-list { grid-template-columns: repeat(4, 1fr); }
.cht-columns-5 .cht-category-list { grid-template-columns: repeat(5, 1fr); }
.cht-columns-6 .cht-category-list { grid-template-columns: repeat(6, 1fr); }

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .cht-columns-mobile-1 .cht-category-list { grid-template-columns: 1fr; }
    .cht-columns-mobile-2 .cht-category-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .cht-columns-tablet-1 .cht-category-list { grid-template-columns: 1fr; }
    .cht-columns-tablet-2 .cht-category-list { grid-template-columns: repeat(2, 1fr); }
    .cht-columns-tablet-3 .cht-category-list { grid-template-columns: repeat(3, 1fr); }
}

/* Category Card Styling */
.cht-category-item {
    list-style: none;
    margin: 0;
}

.cht-category-link {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--cht-white);
    border-radius: var(--cht-radius-lg);
    overflow: hidden;
    box-shadow: var(--cht-shadow-md);
    transition: all var(--cht-transition-normal);
    position: relative;
    height: 100%;
}

/* Hover Effects */
.cht-hover-lift .cht-category-link:hover {
    transform: translateY(-8px);
    box-shadow: var(--cht-shadow-2xl);
}

.cht-hover-scale .cht-category-link:hover {
    transform: scale(1.05);
    box-shadow: var(--cht-shadow-xl);
}

.cht-hover-glow .cht-category-link:hover {
    box-shadow: 0 0 30px rgba(255, 105, 0, 0.3);
}

/* Card Content */
.cht-category-icon {
    width: 100%;
    height: 200px;
    background: var(--cht-light);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.cht-category-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--cht-transition-normal);
}

.cht-category-link:hover .cht-category-icon img {
    transform: scale(1.1);
}

.cht-category-name {
    padding: var(--cht-space-lg);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--cht-dark);
    text-align: center;
    position: relative;
}

/* Package Count Badge */
.cht-show-counts-badge .cht-category-link::after {
    content: attr(data-count);
    position: absolute;
    top: var(--cht-space-md);
    right: var(--cht-space-md);
    background: var(--cht-category-primary, var(--cht-primary));
    color: var(--cht-white);
    padding: var(--cht-space-xs) var(--cht-space-sm);
    border-radius: var(--cht-radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 24px;
    text-align: center;
    box-shadow: var(--cht-shadow-sm);
}

/* ==========================================================================
   Animation System
   ========================================================================== */

/* Entrance Animations */
.cht-animation-fadeInUp {
    animation: chtFadeInUp 0.6s ease-out forwards;
}

.cht-animation-fadeInLeft {
    animation: chtFadeInLeft 0.6s ease-out forwards;
}

.cht-animation-fadeInRight {
    animation: chtFadeInRight 0.6s ease-out forwards;
}

.cht-animation-zoomIn {
    animation: chtZoomIn 0.6s ease-out forwards;
}

.cht-animation-slideInUp {
    animation: chtSlideInUp 0.6s ease-out forwards;
}

/* Staggered Animation Delays */
.cht-animation-delay-100 .cht-category-item:nth-child(1) { animation-delay: 0.1s; }
.cht-animation-delay-100 .cht-category-item:nth-child(2) { animation-delay: 0.2s; }
.cht-animation-delay-100 .cht-category-item:nth-child(3) { animation-delay: 0.3s; }
.cht-animation-delay-100 .cht-category-item:nth-child(4) { animation-delay: 0.4s; }
.cht-animation-delay-100 .cht-category-item:nth-child(5) { animation-delay: 0.5s; }
.cht-animation-delay-100 .cht-category-item:nth-child(6) { animation-delay: 0.6s; }

/* Animation Keyframes */
@keyframes chtFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes chtFadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes chtFadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes chtZoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes chtSlideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Spacing System
   ========================================================================== */

.cht-spacing-tight .cht-category-list {
    gap: var(--cht-space-md);
}

.cht-spacing-tight .cht-category-link {
    margin-bottom: var(--cht-space-md);
}

.cht-spacing-normal .cht-category-list {
    gap: var(--cht-space-xl);
}

.cht-spacing-normal .cht-category-link {
    margin-bottom: var(--cht-space-xl);
}

.cht-spacing-spacious .cht-category-list {
    gap: var(--cht-space-2xl);
}

.cht-spacing-spacious .cht-category-link {
    margin-bottom: var(--cht-space-2xl);
}

/* ==========================================================================
   Card Style Variations
   ========================================================================== */

/* Modern Style */
.cht-style-modern .cht-category-link {
    border: 1px solid transparent;
    background: linear-gradient(135deg, var(--cht-white) 0%, var(--cht-light) 100%);
}

.cht-style-modern .cht-category-link:hover {
    border-color: var(--cht-category-primary, var(--cht-primary));
    background: var(--cht-white);
}

/* Classic Style */
.cht-style-classic .cht-category-link {
    border: 2px solid var(--cht-light);
    background: var(--cht-white);
}

.cht-style-classic .cht-category-link:hover {
    border-color: var(--cht-category-primary, var(--cht-primary));
}

/* Minimal Style */
.cht-style-minimal .cht-category-link {
    background: transparent;
    border: 1px solid var(--cht-light);
    box-shadow: none;
}

.cht-style-minimal .cht-category-link:hover {
    background: var(--cht-light);
    border-color: var(--cht-category-primary, var(--cht-primary));
}

/* Premium Style */
.cht-style-premium .cht-category-link {
    background: linear-gradient(135deg, var(--cht-white) 0%, var(--cht-light) 100%);
    border: 1px solid var(--cht-light);
    box-shadow: var(--cht-shadow-lg);
}

.cht-style-premium .cht-category-link:hover {
    background: linear-gradient(135deg, var(--cht-category-primary, var(--cht-primary)) 0%, var(--cht-category-primary-hover, var(--cht-primary-hover)) 100%);
    color: var(--cht-white);
    transform: translateY(-4px);
    box-shadow: var(--cht-shadow-2xl);
}

.cht-style-premium .cht-category-link:hover .cht-category-name {
    color: var(--cht-white);
}

/* ==========================================================================
   Layout Modes
   ========================================================================== */

/* Grid Layout */
.cht-layout-grid .cht-category-list {
    display: grid;
}

/* Masonry Layout */
.cht-layout-masonry .cht-category-list {
    columns: 3;
    column-gap: var(--cht-space-xl);
}

.cht-layout-masonry .cht-category-item {
    break-inside: avoid;
    margin-bottom: var(--cht-space-xl);
}

/* Carousel Layout */
.cht-layout-carousel .cht-category-list {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--cht-space-lg);
    padding: var(--cht-space-md) 0;
}

.cht-layout-carousel .cht-category-item {
    flex: 0 0 300px;
    scroll-snap-align: start;
}

/* List Layout */
.cht-layout-list .cht-category-list {
    display: flex;
    flex-direction: column;
    gap: var(--cht-space-md);
}

.cht-layout-list .cht-category-link {
    display: flex;
    align-items: center;
    padding: var(--cht-space-lg);
}

.cht-layout-list .cht-category-icon {
    width: 80px;
    height: 80px;
    margin-right: var(--cht-space-lg);
}

/* ==========================================================================
   Interactive Features
   ========================================================================== */

/* Search Functionality */
.cht-show-search .cht-category-nav-shortcode::before {
    content: '';
    display: block;
    margin-bottom: var(--cht-space-xl);
}

.cht-search-container {
    margin-bottom: var(--cht-space-xl);
    position: relative;
}

.cht-search-input {
    width: 100%;
    padding: var(--cht-space-lg);
    border: 2px solid var(--cht-light);
    border-radius: var(--cht-radius-lg);
    font-size: 1rem;
    transition: border-color var(--cht-transition-fast);
}

.cht-search-input:focus {
    outline: none;
    border-color: var(--cht-category-primary, var(--cht-primary));
    box-shadow: 0 0 0 3px rgba(255, 105, 0, 0.1);
}

/* Filter System */
.cht-show-filters .cht-filters-container {
    margin-bottom: var(--cht-space-xl);
    padding: var(--cht-space-lg);
    background: var(--cht-light);
    border-radius: var(--cht-radius-lg);
}

.cht-filter-group {
    display: flex;
    gap: var(--cht-space-md);
    flex-wrap: wrap;
    align-items: center;
}

.cht-filter-button {
    padding: var(--cht-space-sm) var(--cht-space-md);
    border: 1px solid var(--cht-gray);
    background: var(--cht-white);
    border-radius: var(--cht-radius-md);
    cursor: pointer;
    transition: all var(--cht-transition-fast);
}

.cht-filter-button:hover,
.cht-filter-button.active {
    background: var(--cht-category-primary, var(--cht-primary));
    color: var(--cht-white);
    border-color: var(--cht-category-primary, var(--cht-primary));
}

/* ==========================================================================
   Performance Optimizations
   ========================================================================== */

/* Lazy Loading */
.cht-lazy-load .cht-category-icon img {
    opacity: 0;
    transition: opacity var(--cht-transition-normal);
}

.cht-lazy-load .cht-category-icon img.loaded {
    opacity: 1;
}

/* Intersection Observer Support */
.cht-category-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--cht-transition-normal);
}

.cht-category-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Accessibility Features
   ========================================================================== */

/* Keyboard Navigation */
.cht-keyboard-nav .cht-category-link:focus {
    outline: 3px solid var(--cht-category-primary, var(--cht-primary));
    outline-offset: 2px;
}

/* Screen Reader Support */
.cht-screen-reader-friendly .cht-category-link {
    position: relative;
}

.cht-screen-reader-friendly .cht-category-link::before {
    content: 'Category: ';
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .cht-category-link {
        border: 2px solid var(--cht-dark);
    }
    
    .cht-category-name {
        color: var(--cht-black);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .cht-category-link,
    .cht-category-icon img {
        transition: none;
    }
    
    .cht-animation-fadeInUp,
    .cht-animation-fadeInLeft,
    .cht-animation-fadeInRight,
    .cht-animation-zoomIn,
    .cht-animation-slideInUp {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* ==========================================================================
   Mobile-First Responsive Design
   ========================================================================== */

@media (max-width: 480px) {
    .cht-category-nav-shortcode {
        margin: var(--cht-space-lg) 0;
    }
    
    .cht-hero-title {
        font-size: 2rem;
    }
    
    .cht-hero-subtitle {
        font-size: 1rem;
    }
    
    .cht-hero-search {
        flex-direction: column;
        border-radius: var(--cht-radius-lg);
    }
    
    .cht-hero-search-input,
    .cht-hero-search-button {
        border-radius: 0;
    }
    
    .cht-hero-search-input {
        border-bottom: 1px solid var(--cht-light);
    }
}

@media (max-width: 768px) {
    .cht-category-list {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .cht-layout-masonry .cht-category-list {
        columns: 1;
    }
    
    .cht-layout-carousel .cht-category-item {
        flex: 0 0 250px;
    }
}

@media (max-width: 1024px) {
    .cht-category-nav-shortcode {
        margin: var(--cht-space-xl) 0;
    }
    
    .cht-hero-content {
        padding: var(--cht-space-xl);
    }
}

/* ==========================================================================
   Touch Gesture Support
   ========================================================================== */

.cht-touch-enabled .cht-category-link {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.cht-touch-enabled .cht-category-link:active {
    transform: scale(0.98);
}

/* Swipe gestures for carousel */
.cht-layout-carousel {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* ==========================================================================
   Dark Mode Support
   ========================================================================== */

@media (prefers-color-scheme: dark) {
    .cht-color-auto {
        --cht-white: #1a1a1a;
        --cht-light: #2d2d2d;
        --cht-gray: #a0a0a0;
        --cht-dark: #e0e0e0;
        --cht-black: #ffffff;
    }
    
    .cht-color-dark {
        --cht-white: #1a1a1a;
        --cht-light: #2d2d2d;
        --cht-gray: #a0a0a0;
        --cht-dark: #e0e0e0;
        --cht-black: #ffffff;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .cht-category-nav-shortcode {
        break-inside: avoid;
    }
    
    .cht-category-link {
        box-shadow: none;
        border: 1px solid var(--cht-gray);
    }
    
    .cht-hero-section {
        display: none;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.cht-hidden { display: none !important; }
.cht-visible { display: block !important; }
.cht-sr-only { 
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Loading States */
.cht-loading {
    position: relative;
    pointer-events: none;
}

.cht-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--cht-light);
    border-top-color: var(--cht-category-primary, var(--cht-primary));
    border-radius: 50%;
    animation: chtSpin 1s linear infinite;
}

@keyframes chtSpin {
    to { transform: rotate(360deg); }
}