/* ========================================
   SOLO FOUNDER PRO - Main Stylesheet
   ======================================== */

/* ========================================
   1. BASE & RESET
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base, 16px);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: var(--line-height-base, 1.6);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 0 0 8px 8px;
    z-index: 9999;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   2. COLOR SCHEMES (Dark Mode)
   ======================================== */
:root {
    --color-bg: #ffffff;
    --color-surface: #f8fafc;
    --color-surface-elevated: #ffffff;
    --color-text: #1a202c;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
}

.dark-mode {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-elevated: #334155;
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #334155;
    --color-border-light: #1e293b;
}

/* ========================================
   3. TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

/* Font Size Classes */
.text-small {
    --font-size-base: 14px;
}

.text-large {
    --font-size-base: 18px;
}

.text-xl {
    --font-size-base: 20px;
}

/* ========================================
   4. LAYOUT
   ======================================== */
.container {
    width: 100%;
    max-width: var(--content-width, 960px);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.site-main {
    min-height: calc(100vh - 200px);
}

/* ========================================
   5. BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

/* ========================================
   6. HEADER
   ======================================== */
.site-header {
    position: relative;
    background: var(--color-surface-elevated);
    border-bottom: 1px solid var(--color-border);
    z-index: var(--z-header);
}

.site-header.is-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    animation: slideDown 0.3s ease;
}

.site-header.is-hidden {
    transform: translateY(-100%);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--content-width, 1200px);
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.site-logo:hover {
    color: var(--color-primary);
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-dark {
    display: none;
}

.dark-mode .logo-light {
    display: none;
}

.dark-mode .logo-dark {
    display: block;
}

/* Navigation */
.main-nav {
    display: none;
}

@media (min-width: 768px) {
    .main-nav {
        display: flex;
        align-items: center;
        gap: var(--space-lg);
    }
    
    .main-nav a {
        font-weight: 500;
        color: var(--color-text);
        padding: 0.5rem 0;
        border-bottom: 2px solid transparent;
    }
    
    .main-nav a:hover {
        color: var(--color-primary);
        border-bottom-color: var(--color-primary);
    }
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

.header-shortcut {
    display: none;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    background: var(--color-surface);
    border-radius: 4px;
    margin-left: var(--space-xs);
}

@media (min-width: 768px) {
    .search-toggle {
        width: auto;
        padding: 0.5rem 0.75rem;
    }
    
    .header-shortcut {
        display: inline;
    }
}

/* Dark Mode Toggle */
.dark-mode-toggle .light-mode-icon {
    display: none;
}

.dark-mode .dark-mode-toggle .dark-mode-icon {
    display: none;
}


/* ========================================
   14. UTILITIES
   ======================================== */
.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-border);
    z-index: var(--z-overlay);
}

.progress-bar-inner {
    height: 100%;
    background: var(--color-primary);
    width: 0%;
    transition: width 0.1s;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-lg);
    font-size: 0.9375rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: var(--z-toast);
}

.toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Code Block Copy Button */
.code-block-wrapper {
    position: relative;
}

.code-copy-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: 0.25rem 0.75rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.code-block-wrapper:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.code-copy-btn.is-copied {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.9);
}

.lightbox img {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
}

/* ========================================
   15. LAB MODE SPECIFIC
   ======================================== */
.lab-hero {
    position: relative;
    min-height: var(--hero-height, 80vh);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.lab-hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.lab-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-xl);
}

.lab-hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.lab-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
}

.category-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-lg);
    background: var(--color-surface);
    border-radius: var(--card-radius);
    border-left: 4px solid var(--category-color, var(--color-primary));
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-name {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.category-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    flex: 1;
}

.category-count {
    font-size: 0.875rem;
    color: var(--category-color, var(--color-primary));
    font-weight: 500;
}

/* Episodes */
.episodes-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.episode-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-surface);
    border-radius: var(--card-radius);
    transition: transform var(--transition-fast);
}

.episode-item:hover {
    transform: translateX(8px);
}

.episode-number {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.episode-image {
    flex-shrink: 0;
    width: 200px;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
}

.episode-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.episode-item:hover .episode-image img {
    transform: scale(1.05);
}

.episode-content {
    flex: 1;
}

.episode-series {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.episode-title {
    font-size: 1.25rem;
    margin: var(--space-xs) 0 var(--space-sm);
}

.episode-title a {
    color: var(--color-text);
}

.episode-title a:hover {
    color: var(--color-primary);
}

.episode-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.episode-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ========================================
   16. CLASSIC MODE SPECIFIC
   ======================================== */
.classic-hero {
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    background: var(--color-surface);
}

.classic-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.classic-hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.classic-content {
    padding: var(--space-xl) var(--space-lg);
}

.classic-layout {
    display: grid;
    gap: var(--space-2xl);
}

@media (min-width: 1024px) {
    .classic-layout {
        grid-template-columns: 1fr 300px;
    }
}

.classic-post {
    display: grid;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .classic-post:not(.no-image) {
        grid-template-columns: 300px 1fr;
    }
}

.classic-post-image {
    aspect-ratio: 16/9;
    border-radius: var(--card-radius);
    overflow: hidden;
}

.classic-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.classic-post-content {
    display: flex;
    flex-direction: column;
}

.classic-post-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

.classic-post-title {
    font-size: 1.5rem;
    margin: var(--space-sm) 0;
}

.classic-post-title a {
    color: var(--color-text);
}

.classic-post-title a:hover {
    color: var(--color-primary);
}

.classic-post-meta {
    display: flex;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.classic-post-excerpt {
    color: var(--color-text-secondary);
    flex: 1;
}

.classic-post-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    font-weight: 500;
}

/* Sidebar */
.classic-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.sidebar-widget {
    padding: var(--space-md);
    background: var(--color-surface);
    border-radius: var(--card-radius);
}

.widget-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.widget-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.widget-tags {
    list-style: none;
}

.widget-tags li {
    margin-bottom: var(--space-xs);
}

.widget-posts {
    list-style: none;
}

.widget-posts li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.widget-posts a {
    display: block;
    font-weight: 500;
    color: var(--color-text);
}

.widget-posts time {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ========================================
   17. PAGINATION
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xl) 0;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
}

.pagination a {
    background: var(--color-surface);
    color: var(--color-text);
}

.pagination a:hover {
    background: var(--color-primary);
    color: white;
}

.pagination .current {
    background: var(--color-primary);
    color: white;
}

/* ========================================
   18. RESPONSIVE
   ======================================== */
@media (max-width: 767px) {
    .hero-split .hero-content {
        grid-template-columns: 1fr;
    }
    
    .episode-item {
        flex-direction: column;
    }
    
    .episode-image {
        width: 100%;
    }
    
    .newsletter-input-group {
        flex-direction: column;
    }
    
    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .progress-bar,
    .cookie-banner,
    .post-share,
    .post-reactions,
    .toc-sidebar {
        display: none !important;
    }
    
    .post {
        max-width: 100%;
    }
}

/* ========================================
   19. GHOST EDITOR CARDS
   ======================================== */

/* Bookmark Card */
.kg-bookmark-card {
    width: 100%;
    margin: var(--space-lg) 0;
}

.kg-bookmark-container {
    display: flex;
    flex-wrap: wrap;
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--card-radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.kg-bookmark-container:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.kg-bookmark-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    flex-basis: 100%;
    padding: var(--space-md);
}

@media (min-width: 640px) {
    .kg-bookmark-content {
        flex-basis: 0;
    }
}

.kg-bookmark-title {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-xs);
}

.kg-bookmark-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    line-height: 1.5;
}

.kg-bookmark-metadata {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.kg-bookmark-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.kg-bookmark-author {
    font-weight: 500;
    color: var(--color-text);
}

.kg-bookmark-publisher {
    color: var(--color-text-muted);
}

.kg-bookmark-publisher::before {
    content: '•';
    margin: 0 var(--space-xs);
}

.kg-bookmark-thumbnail {
    position: relative;
    flex-grow: 1;
    min-height: 160px;
    overflow: hidden;
}

@media (min-width: 640px) {
    .kg-bookmark-thumbnail {
        flex-basis: 200px;
        min-height: auto;
    }
}

.kg-bookmark-thumbnail img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   20. MASONRY LAYOUT (Magazine/Publisher)
   ======================================== */

/* Masonry Hero - Featured Post */
.masonry-hero {
    padding: var(--space-xl) 0;
    background: var(--color-surface);
}

.masonry-site-hero {
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.site-hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Post */
.featured-post {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .featured-post {
        grid-template-columns: 1.2fr 1fr;
    }
}

.featured-image {
    display: block;
    aspect-ratio: 16/10;
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.featured-image:hover img {
    transform: scale(1.03);
}

.featured-content {
    display: flex;
    flex-direction: column;
}

.featured-tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 0.375rem 0.75rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    margin-bottom: var(--space-md);
}

.featured-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.featured-title a {
    color: var(--color-text);
}

.featured-title a:hover {
    color: var(--color-primary);
}

.featured-excerpt {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.featured-author {
    font-weight: 500;
    color: var(--color-text);
}

/* Content Filters */
.content-filters {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    position: sticky;
    top: var(--header-height, 64px);
    z-index: var(--z-sticky);
}

.filter-list {
    display: flex;
    gap: var(--space-xs);
    list-style: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filter-list::-webkit-scrollbar {
    display: none;
}

.filter-link {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: 9999px;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.filter-link:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.filter-link.active {
    color: white;
    background: var(--color-primary);
}

/* Masonry Grid */
.masonry-content {
    padding: var(--space-xl) 0;
}

.masonry-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(1, 1fr);
}

/* Mobile: 1 column (default) */

/* Tablet: 2 columns */
@media (min-width: 640px) {
    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* First item spans 2 columns if it's the only one */
    .masonry-grid .masonry-card:first-child:nth-last-child(1) {
        grid-column: span 2;
    }
}

/* Desktop: 3 columns */
@media (min-width: 1024px) {
    .masonry-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Large cards */
    .masonry-card.masonry-large {
        grid-column: span 2;
    }
    
    /* First card larger when no featured post */
    .masonry-grid .masonry-card:first-child:not(.masonry-large) {
        grid-column: span 2;
    }
}

/* Masonry Card Specific Styles */
.masonry-card {
    break-inside: avoid;
    margin-bottom: 0;
}

.masonry-card .post-card {
    height: 100%;
}

.masonry-card .post-card-image {
    aspect-ratio: 16/10;
}

.masonry-card.masonry-large .post-card-image {
    aspect-ratio: 16/9;
}

/* Adjust excerpt length for masonry */
.masonry-card .post-card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Masonry Newsletter */
.masonry-newsletter {
    padding: var(--space-xl) 0;
    background: var(--color-surface);
}

.newsletter-box {
    display: grid;
    gap: var(--space-lg);
    align-items: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary, var(--color-primary)) 100%);
    border-radius: var(--card-radius);
    color: white;
}

@media (min-width: 768px) {
    .newsletter-box {
        grid-template-columns: 1fr auto;
    }
}

.newsletter-box h2 {
    color: white;
    margin-bottom: var(--space-xs);
}

.newsletter-box p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

.newsletter-box .newsletter-form {
    min-width: 300px;
}

.newsletter-box .newsletter-form input {
    background: rgba(255, 255, 255, 0.9);
    border-color: transparent;
}

.newsletter-box .newsletter-form button {
    background: var(--color-text);
    color: white;
}

.newsletter-box .newsletter-form button:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

/* ========================================
   21. ANIMATIONS & TRANSITIONS
   ======================================== */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.masonry-card {
    animation: fadeIn 0.5s ease-out;
}

/* Stagger animation for cards */
.masonry-grid .masonry-card:nth-child(1) { animation-delay: 0ms; }
.masonry-grid .masonry-card:nth-child(2) { animation-delay: 50ms; }
.masonry-grid .masonry-card:nth-child(3) { animation-delay: 100ms; }
.masonry-grid .masonry-card:nth-child(4) { animation-delay: 150ms; }
.masonry-grid .masonry-card:nth-child(5) { animation-delay: 200ms; }
.masonry-grid .masonry-card:nth-child(6) { animation-delay: 250ms; }

/* Hover lift effect */
.masonry-card .post-card {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.masonry-card .post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   22. ACCESSIBILITY ENHANCEMENTS
   ======================================== */

/* Focus visible styles */
.filter-link:focus-visible,
.featured-image:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion for masonry */
@media (prefers-reduced-motion: reduce) {
    .masonry-card {
        animation: none;
    }
    
    .masonry-card .post-card {
        transition: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .featured-tag {
        border: 2px solid currentColor;
    }
    
    .filter-link.active {
        border: 2px solid white;
    }
}

/* ========================================
   23. BREAKING NEWS TICKER
   ======================================== */

.news-ticker {
    display: flex;
    align-items: center;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
    height: 40px;
    overflow: hidden;
}

.news-ticker-label {
    flex-shrink: 0;
    padding: 0 var(--space-md);
    border-right: 1px solid var(--color-border);
}

.ticker-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: #dc2626;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    animation: ticker-pulse 2s ease-in-out infinite;
}

.ticker-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: ticker-dot 1s ease-in-out infinite;
}

@keyframes ticker-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes ticker-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.ticker-badge-latest {
    background: var(--color-primary);
    animation: none;
}

.ticker-badge-latest::before {
    display: none;
}

.news-ticker-content {
    flex: 1;
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 20px, black calc(100% - 20px), transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 20px, black calc(100% - 20px), transparent);
}

.ticker-items {
    display: flex;
    gap: var(--space-xl);
    animation: ticker-scroll 30s linear infinite;
    white-space: nowrap;
    padding: 0 var(--space-lg);
}

.news-ticker:hover .ticker-items {
    animation-play-state: paused;
}

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text);
    transition: color var(--transition-fast);
    flex-shrink: 0;
}

.ticker-item:hover {
    color: var(--color-primary);
}

.ticker-time {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

.ticker-category {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ticker-title {
    font-weight: 500;
}

.ticker-toggle {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-left: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ticker-toggle:hover {
    background: var(--color-surface-elevated);
    color: var(--color-text);
}

/* Paused state */
.news-ticker.is-paused .ticker-items {
    animation-play-state: paused;
}

.news-ticker.is-paused .ticker-toggle svg {
    opacity: 0.5;
}

/* Mobile: Stack layout */
@media (max-width: 640px) {
    .news-ticker {
        height: auto;
        flex-direction: column;
        align-items: stretch;
    }
    
    .news-ticker-label {
        padding: var(--space-sm) var(--space-md);
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }
    
    .news-ticker-content {
        padding: var(--space-sm) 0;
    }
    
    .ticker-items {
        animation-duration: 20s;
    }
    
    .ticker-toggle {
        display: none;
    }
}

/* ========================================
   24. MEGA MENU NAVIGATION
   ======================================== */

.mega-nav {
    display: none;
}

@media (min-width: 1024px) {
    .mega-nav {
        display: block;
    }
}

.mega-nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
}

.mega-nav-item {
    position: relative;
}

.mega-nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.mega-nav-link:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

.mega-nav-item.is-current .mega-nav-link {
    color: var(--color-primary);
    background: var(--color-surface);
}

.mega-nav-item.has-dropdown .mega-nav-link::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.mega-nav-item.has-dropdown:hover .mega-nav-link::after {
    transform: rotate(180deg);
}

/* Mega Dropdown */
.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 600px;
    max-width: 90vw;
    padding-top: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.mega-nav-item.has-dropdown:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-dropdown-inner {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--space-lg);
}

.mega-dropdown-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.mega-posts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.mega-post-card {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: 8px;
    transition: background var(--transition-fast);
}

.mega-post-card:hover {
    background: var(--color-surface);
}

.mega-post-image {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
}

.mega-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mega-post-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.mega-post-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.mega-post-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.mega-dropdown-links {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.mega-dropdown-all {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    transition: gap var(--transition-fast);
}

.mega-dropdown-all:hover {
    gap: 0.5rem;
}

/* Search trigger */
.mega-nav-search .mega-nav-link {
    padding: 0.5rem;
}

/* ========================================
   25. MOBILE NAVIGATION
   ======================================== */

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--color-surface);
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.menu-toggle-bar {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Overlay */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-overlay);
}

.mobile-nav-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

/* State lock: JS writes aria-hidden, CSS reflects deterministic visibility */
.mobile-nav-overlay[aria-hidden="true"] {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.mobile-nav-overlay[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Mobile Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-bg);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: var(--z-drawer);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.mobile-nav-drawer.is-active {
    transform: translateX(0);
}

/* Keep drawer state consistent even if classes drift due multiple listeners */
.mobile-nav-drawer[aria-hidden="true"] {
    transform: translateX(100%);
    visibility: hidden;
    pointer-events: none;
}

.mobile-nav-drawer[aria-hidden="false"] {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.mobile-nav-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
}

.mobile-nav-logo img {
    height: 32px;
    width: auto;
}

.mobile-nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: none;
    border-radius: 8px;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-nav-close:hover {
    background: var(--color-border);
}

.mobile-nav-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.mobile-nav-primary {
    margin-bottom: var(--space-xl);
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-item {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-md) 0;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
    color: var(--color-primary);
}

.mobile-nav-item.is-current .mobile-nav-link {
    color: var(--color-primary);
}

.mobile-nav-list-small .mobile-nav-link-small {
    font-size: 0.9375rem;
    padding: var(--space-sm) 0;
    color: var(--color-text-secondary);
}

.mobile-nav-secondary {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-social {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.mobile-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.mobile-social-link:hover {
    background: var(--color-primary);
    color: white;
}

.mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: auto;
}

.mobile-nav-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.mobile-nav-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.mobile-nav-button-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.mobile-nav-button-secondary:hover {
    background: var(--color-surface-elevated);
}

/* Prevent body scroll when menu is open */
body.is-nav-open {
    overflow: hidden;
}

/* ========================================
   26. ACCESSIBILITY - SKIP LINKS
   ======================================== */

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 8px 8px;
    z-index: var(--z-skip-link);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .ticker-items {
        animation: none;
    }
    
    .mobile-nav-drawer,
    .mobile-nav-overlay,
    .mega-dropdown {
        transition: none;
    }
    
    .menu-toggle-bar {
        transition: none;
    }
}

/* ========================================
   27. SITE HEADER ENHANCEMENTS
   ======================================== */

/* Header Container */
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-width, 1200px);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 64px;
}

/* Hide mobile elements on desktop */
.mobile-hidden {
    display: none;
}

@media (min-width: 1024px) {
    .mobile-hidden {
        display: block;
    }
}

/* Hide desktop elements on mobile */
@media (max-width: 1023px) {
    .mega-nav {
        display: none !important;
    }
}

/* Site Logo */
.site-logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
    z-index: 1;
}

.site-logo img {
    height: 32px;
    width: auto;
}

.logo-dark {
    display: none;
}

.dark-mode .logo-light {
    display: none;
}

.dark-mode .logo-dark {
    display: block;
}

/* Main Navigation (fallback) */
.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: block;
    }
}

.main-nav ul {
    display: flex;
    gap: var(--space-xs);
    list-style: none;
}

.main-nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.main-nav a:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    z-index: 1;
}

.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--color-text);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--color-surface);
    color: var(--color-primary);
}

.header-shortcut {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 0.5rem;
    font-family: monospace;
    background: var(--color-surface);
    padding: 1px 3px;
    border-radius: 3px;
    opacity: 0.7;
}

/* Dark Mode Toggle */
.dark-mode-toggle .light-mode-icon {
    display: none;
}

.dark-mode .dark-mode-toggle .dark-mode-icon {
    display: none;
}

.dark-mode .dark-mode-toggle .light-mode-icon {
    display: block;
}

/* Sticky Header */
.site-header.is-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(var(--color-bg-rgb, 255, 255, 255), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    animation: header-slide-down 0.3s ease-out;
}

@keyframes header-slide-down {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Hide header on scroll down */
.site-header.is-hidden {
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
}

/* Ensure header is visible when scrolling up */
.site-header.is-sticky:not(.is-hidden) {
    transform: translateY(0);
}

/* CSS Variables for RGB values (needed for backdrop-filter) */
:root {
    --color-bg-rgb: 255, 255, 255;
}

.dark-mode {
    --color-bg-rgb: 15, 23, 42;
}

/* ========================================
   28. Z-INDEX SCALE
   ======================================== */

:root {
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-drawer: 450;
    --z-overlay: 400;
    --z-modal: 500;
    --z-skip-link: 600;
    --z-toast: 700;
}

/* ==========================================================================
   QA Fixes — Feb 2026
   ========================================================================== */

/* Fix 1: Nav list bullets — Ghost {{navigation}} renders ul>li */
.site-nav,
.site-nav ul,
.main-nav,
.main-nav ul,
nav[role="navigation"] ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Fix 2: Footer list bullets */
.site-footer ul,
.site-footer nav ul,
.site-footer li {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Fix 2b: Footer contract alignment (SFOS-UX-004) */
.site-footer-content,
.footer-content {
    display: grid;
    gap: var(--space-6);
    align-items: start;
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .site-footer-content,
    .footer-content {
        grid-template-columns: minmax(0, 1fr) auto;
    }
}

.site-footer-brand,
.footer-brand {
    text-align: center;
}

@media (min-width: 768px) {
    .site-footer-brand,
    .footer-brand {
        text-align: left;
    }
}

.site-footer-logo,
.footer-logo {
    width: auto;
    max-height: 52px;
    margin: 0 auto var(--space-3);
}

@media (max-width: 767px) {
    .site-footer-logo,
    .footer-logo {
        max-height: 40px;
    }
}

@media (min-width: 768px) {
    .site-footer-logo,
    .footer-logo {
        margin-left: 0;
        margin-right: 0;
    }
}

.site-footer-title,
.footer-title {
    font-size: var(--text-lg, 1.125rem);
    margin-bottom: var(--space-2);
}

.site-footer-description,
.footer-description {
    color: var(--color-text-secondary);
    max-width: 42ch;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .site-footer-description,
    .footer-description {
        margin-left: 0;
        margin-right: 0;
    }
}

.site-footer-nav,
.footer-nav {
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .site-footer-nav,
    .footer-nav {
        align-items: center;
        justify-content: flex-end;
    }
}

.site-footer-nav ul,
.footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

@media (min-width: 768px) {
    .site-footer-nav ul,
    .footer-nav ul {
        justify-content: flex-end;
    }
}

.site-footer-nav a,
.footer-nav a {
    color: var(--color-text-secondary);
}

.site-footer-bottom,
.footer-bottom {
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--text-sm, 0.875rem);
    padding-top: var(--space-4);
    text-align: center;
}

/* Fix 3: Search overlay must be hidden by default */
.search-overlay,
.search-dialog,
[data-search-overlay] {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal, 500);
}
.search-overlay.is-active,
.search-overlay.is-visible,
.search-dialog.is-active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(3.5rem, 10vh, 6rem) 1rem 1rem;
    background: rgba(8, 18, 40, 0.72);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

[data-search-overlay].is-active {
    display: flex;
}

[data-search-overlay] .search-container {
    width: min(680px, 100%);
    max-height: min(80vh, 700px);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

[data-search-overlay] .search-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

[data-search-overlay] .search-input {
    flex: 1;
    min-height: 44px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 0 0.75rem;
    background: var(--color-bg);
    color: var(--color-text);
}

[data-search-overlay] .search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

[data-search-overlay] .search-results {
    overflow: auto;
    max-height: calc(80vh - 140px);
    padding: 0.75rem 1rem;
}

[data-search-overlay] .search-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
}

@media (max-width: 767px) {
    .search-overlay.is-active,
    .search-overlay.is-visible,
    .search-dialog.is-active,
    [data-search-overlay].is-active {
        padding: 4.5rem 0.75rem 0.75rem;
    }

    [data-search-overlay] .search-header {
        padding: 0.875rem;
    }

    [data-search-overlay] .search-footer,
    [data-search-overlay] .search-shortcut {
        display: none;
    }

    [data-search-overlay] .search-results {
        max-height: calc(80vh - 90px);
    }
}

/* Fix 4: Subscribe form — ensure input has proper height */
.subscribe-form input[type="email"],
.newsletter-form input[type="email"],
.gh-subscribe-input {
    min-height: 44px;
    padding: 0.5rem 1rem;
    width: 100%;
    box-sizing: border-box;
}

/* Fix 5: Subscribe messages — hide by default, show only when active */
.subscribe-form .success,
.subscribe-form .error,
.newsletter-form .success,
.newsletter-form .error,
.subscribe-form .message-success,
.subscribe-form .message-error {
    display: none;
}
.subscribe-form .success.is-active,
.subscribe-form .error.is-active,
.newsletter-form .success.is-active,
.newsletter-form .error.is-active,
.subscribe-form .message-success.is-active,
.subscribe-form .message-error.is-active {
    display: block;
}

/* Fix 6: Mobile nav — ensure hamburger is visible on small screens */
@media (max-width: 767px) {
    .mobile-menu-toggle,
    .mobile-nav-toggle,
    [data-mobile-toggle] {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        cursor: pointer;
    }

    /* Hide desktop nav on mobile */
    .main-nav,
    .site-nav,
    nav.mobile-hidden {
        display: none !important;
    }

    /* Ensure adequate touch targets on mobile */
    .site-header a,
    .site-header button,
    .site-footer a {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
    }
}

/* Fix: keep mobile fixed-layer positioning relative to viewport, not header */
.site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.site-header.is-sticky {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Fix 7: Desktop header layout — keep nav horizontal and search discoverable */
.search-toggle .search-label {
    display: none;
}

.preset-switcher {
    display: none;
}

@media (min-width: 1024px) {
    .header-container {
        gap: var(--space-sm);
    }

    .main-nav.mobile-hidden {
        display: flex !important;
        align-items: center;
        justify-content: center;
        gap: clamp(0.25rem, 0.6vw, 0.75rem);
        flex: 1 1 auto;
        min-width: 0;
    }

    .main-nav.mobile-hidden a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 36px;
        padding: 0.25rem 0.5rem;
        white-space: nowrap;
        font-size: 0.8125rem;
        line-height: 1.2;
    }

    .header-actions {
        flex: 0 0 auto;
    }

    .preset-switcher.mobile-hidden {
        display: flex !important;
        align-items: center;
        gap: 0.375rem;
        padding: 0.25rem 0.5rem;
        border: 1px solid var(--color-border);
        border-radius: 8px;
        background: var(--color-surface);
    }

    .preset-switcher-label {
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--color-text);
        opacity: 0.8;
        line-height: 1;
    }

    .preset-switcher-select {
        min-width: 150px;
        max-width: 220px;
        height: 30px;
        border: none;
        background: transparent;
        color: var(--color-text);
        font-size: 0.8125rem;
        line-height: 1.2;
        font-weight: 500;
        outline: none;
        padding-right: 0.5rem;
    }

    .preset-switcher-select:focus {
        color: var(--color-primary);
    }

    .search-toggle {
        width: auto;
        gap: 0.375rem;
        padding: 0.5rem 0.625rem;
        border: 1px solid var(--color-border);
        background: var(--color-surface);
    }

    .search-toggle .search-label {
        display: inline;
        font-size: 0.8125rem;
        font-weight: 500;
        line-height: 1;
    }

    .search-toggle .header-shortcut {
        display: none;
    }
}

/* ==========================================================================
   30. PRESET RUNTIME OVERRIDES
   ========================================================================== */

body[data-active-preset] .modern-hero,
body[data-active-preset] .classic-hero,
body[data-active-preset] .lab-hero,
body[data-active-preset] .masonry-site-hero,
body[data-active-preset] .masonry-hero {
    min-height: var(--hero-height, 60vh);
    position: relative;
    overflow: hidden;
}

body[data-active-preset] .hero-centered {
    text-align: center;
}

body[data-active-preset] .hero-left,
body[data-active-preset] .hero-split {
    text-align: left;
}

body[data-active-preset] .hero-split .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 380px);
    gap: var(--space-xl);
    align-items: center;
}

body[data-active-preset] .hero-split .container::after {
    content: '';
    display: block;
    width: 100%;
    height: clamp(180px, 32vw, 320px);
    border-radius: clamp(12px, 2vw, 28px);
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--color-primary), white 28%) 0%,
        color-mix(in srgb, var(--color-secondary, var(--color-primary)), black 12%) 100%
    );
    box-shadow: var(--shadow-lg);
}

body[data-active-preset] .hero-minimal {
    min-height: clamp(200px, 35vh, 420px);
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

body[data-active-preset] .hero-full-bg {
    color: #fff;
}

body[data-active-preset] .hero-full-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--color-primary), black 8%) 0%,
        color-mix(in srgb, var(--color-secondary, var(--color-primary)), black 22%) 100%
    );
    opacity: var(--preset-hero-overlay-opacity, 0.62);
    z-index: 0;
}

body[data-active-preset] .hero-full-bg > * {
    position: relative;
    z-index: 1;
}

body[data-active-preset] .hero-animation-gradient {
    background: linear-gradient(
        120deg,
        color-mix(in srgb, var(--color-primary), white 12%) 0%,
        color-mix(in srgb, var(--color-secondary, var(--color-primary)), white 6%) 48%,
        color-mix(in srgb, var(--color-accent, var(--color-primary)), white 16%) 100%
    );
    background-size: 200% 200%;
    animation: preset-gradient-shift 16s ease infinite;
}

body[data-active-preset] .hero-animation-network::after,
body[data-active-preset] .hero-animation-particles::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

body[data-active-preset] .hero-animation-network::after {
    background-image:
        radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--color-accent), white 25%) 0 2px, transparent 3px),
        radial-gradient(circle at 70% 35%, color-mix(in srgb, var(--color-secondary, var(--color-primary)), white 35%) 0 2px, transparent 3px),
        radial-gradient(circle at 45% 75%, color-mix(in srgb, var(--color-primary), white 30%) 0 2px, transparent 3px);
    opacity: 0.35;
}

body[data-active-preset] .hero-animation-particles::after {
    background-image:
        radial-gradient(circle at 15% 22%, rgba(255, 255, 255, 0.35) 0 3px, transparent 4px),
        radial-gradient(circle at 33% 68%, rgba(255, 255, 255, 0.25) 0 4px, transparent 5px),
        radial-gradient(circle at 76% 42%, rgba(255, 255, 255, 0.3) 0 3px, transparent 4px),
        radial-gradient(circle at 88% 72%, rgba(255, 255, 255, 0.22) 0 2px, transparent 3px);
    animation: preset-particles-float 22s linear infinite;
}

@keyframes preset-gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes preset-particles-float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

body[data-active-preset] .posts-grid,
body[data-active-preset] .posts-list {
    gap: var(--space-lg);
}

body[data-active-preset] .posts-grid {
    display: grid;
}

body[data-active-preset] .posts-grid.posts-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-active-preset] .posts-grid.posts-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-active-preset] .posts-list {
    display: grid;
    grid-template-columns: 1fr;
}

body[data-active-preset] .posts-list .post-card {
    display: grid;
    grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
    align-items: stretch;
}

body[data-active-preset] .posts-list .post-card-image {
    height: 100%;
    aspect-ratio: auto;
}

body[data-active-preset] .posts-masonry {
    column-count: 3;
    column-gap: var(--space-lg);
}

body[data-active-preset] .posts-masonry .post-card {
    display: inline-flex;
    width: 100%;
    margin-bottom: var(--space-lg);
}

body[data-active-preset] .post-card {
    background: var(--card-bg, var(--color-surface));
    border: var(--card-border, 1px solid transparent);
    border-radius: var(--preset-card-radius, var(--card-radius, 12px));
    box-shadow: var(--card-shadow, var(--shadow-sm));
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
}

body[data-active-preset] .post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

body[data-active-preset][data-card-hover="none"] .post-card:hover {
    transform: none;
    box-shadow: var(--card-shadow, var(--shadow-sm));
}

body[data-active-preset][data-card-hover="press"] .post-card:hover {
    transform: translateY(-1px) scale(0.998);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
}

body[data-active-preset][data-card-hover="lift-strong"] .post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.24);
}

body[data-active-preset][data-card-hover="glow"] .post-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--preset-card-glow), transparent 35%), 0 18px 44px var(--preset-card-glow);
}

body[data-active-preset] .post-card-image {
    display: block;
    aspect-ratio: var(--card-aspect-ratio, 16 / 9);
    overflow: hidden;
}

body[data-active-preset] .post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

body[data-active-preset] .post-card:hover .post-card-image img {
    transform: scale(1.04);
}

body[data-active-preset] .post-card-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md);
}

body[data-active-preset] .post-card-title {
    margin: 0;
    font-size: 1.25rem;
}

body[data-active-preset] .post-card-title a {
    color: var(--color-text);
}

body[data-active-preset] .post-card-excerpt {
    margin: 0;
    color: var(--color-text-secondary);
}

body[data-active-preset] .post-card-meta {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

body[data-active-preset][data-meta-style="minimal"] .post-card-meta {
    font-size: 0.78rem;
    gap: 0.4rem;
    color: var(--color-text-muted);
}

body[data-active-preset][data-meta-style="chips"] .post-card-meta > * {
    display: inline-flex;
    align-items: center;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: var(--preset-meta-bg);
    border: 1px solid var(--preset-meta-border);
    color: var(--preset-meta-text);
}

body[data-active-preset][data-meta-style="stacked"] .post-card-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.3rem;
}

body[data-active-preset][data-meta-style="stacked"] .post-card-meta > * {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.1rem 0.45rem;
    border-radius: 6px;
    background: var(--preset-meta-bg);
    border: 1px solid var(--preset-meta-border);
    color: var(--preset-meta-text);
}

body[data-active-preset].cards-minimal .post-card {
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
}

body[data-active-preset].cards-bordered .post-card {
    border: 1px solid var(--color-border);
    box-shadow: none;
}

body[data-active-preset].cards-elevated .post-card {
    border: none;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
}

body[data-active-preset].cards-image-focus .post-card-image {
    aspect-ratio: 4 / 3;
}

body[data-active-preset].layout-compact .post-card-content {
    padding: 0.875rem;
}

body[data-active-preset].layout-compact .post-card-excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body[data-active-preset].layout-spacious .post-card-content {
    padding: 1.5rem;
}

body[data-active-preset].layout-spacious .post-card-title {
    font-size: 1.35rem;
}

body[data-active-preset].theme-mode-classic .site-main {
    background: color-mix(in srgb, var(--color-bg), #f7f3ed 18%);
}

body[data-active-preset].theme-mode-classic .post-card-title,
body[data-active-preset].theme-mode-classic .featured-title,
body[data-active-preset].theme-mode-classic .classic-post-title {
    font-family: var(--font-heading);
}

body[data-active-preset].theme-mode-lab .site-main {
    background-image:
        radial-gradient(circle at 12% 24%, color-mix(in srgb, var(--color-primary), transparent 88%) 0, transparent 32%),
        radial-gradient(circle at 80% 72%, color-mix(in srgb, var(--color-accent, var(--color-primary)), transparent 90%) 0, transparent 30%);
}

body[data-active-preset].theme-mode-masonry .content-filters {
    box-shadow: var(--shadow-sm);
}

body[data-active-preset].theme-mode-masonry .filter-link.active {
    box-shadow: 0 8px 22px color-mix(in srgb, var(--color-primary), transparent 72%);
}

body[data-active-preset] .author-box {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-lg);
    margin-top: var(--space-xl);
    border-radius: var(--card-radius, 12px);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

body[data-active-preset] .btn,
body[data-active-preset] .header-btn,
body[data-active-preset] .search-toggle,
body[data-active-preset] .preset-switcher.mobile-hidden {
    border-radius: var(--preset-control-radius, 8px);
}

body[data-active-preset] .author-box-avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
}

body[data-active-preset] .author-box-name {
    margin: 0;
}

body[data-active-preset] .author-box-detailed .author-box-content {
    display: grid;
    gap: 0.5rem;
}

body[data-active-preset] .author-box-compact {
    padding: var(--space-md);
}

body[data-active-preset] .author-box-compact .author-box-avatar img {
    width: 52px;
    height: 52px;
}

body[data-active-preset] .author-box-card {
    box-shadow: var(--shadow-md);
}

body[data-active-preset] .author-box-minimal {
    border: none;
    border-radius: 0;
    padding-left: 0;
    padding-right: 0;
    background: transparent;
}

body[data-active-preset] .site-footer.footer-simple .site-footer-content,
body[data-active-preset] .site-footer.footer-simple .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
}

body[data-active-preset] .site-footer.footer-minimal .site-footer-content,
body[data-active-preset] .site-footer.footer-minimal .footer-content {
    display: block;
}

body[data-active-preset] .site-footer.footer-minimal .site-footer-description,
body[data-active-preset] .site-footer.footer-minimal .footer-description {
    display: none;
}

body[data-active-preset] .site-footer.footer-hide-logo .site-footer-logo,
body[data-active-preset] .site-footer.footer-hide-logo .footer-logo,
body[data-active-preset] .site-footer.footer-hide-logo .site-footer-title,
body[data-active-preset] .site-footer.footer-hide-logo .footer-title {
    display: none !important;
}

body[data-active-preset] .site-footer.footer-hide-description .site-footer-description,
body[data-active-preset] .site-footer.footer-hide-description .footer-description {
    display: none !important;
}

body[data-active-preset] .site-footer.footer-hide-nav .site-footer-nav,
body[data-active-preset] .site-footer.footer-hide-nav .footer-nav {
    display: none !important;
}

body[data-active-preset] .site-footer.footer-hide-social .site-footer-social,
body[data-active-preset] .site-footer.footer-hide-social .footer-social {
    display: none !important;
}

body[data-active-preset].hide-author .post-card-author,
body[data-active-preset].hide-author .featured-author,
body[data-active-preset].hide-author .post-author,
body[data-active-preset].hide-author .author-link,
body[data-active-preset].hide-author .author-box {
    display: none !important;
}

body[data-active-preset].hide-date .post-card time,
body[data-active-preset].hide-date .featured-meta time,
body[data-active-preset].hide-date .classic-post-meta time,
body[data-active-preset].hide-date .post-date,
body[data-active-preset].hide-date .related-post-meta time {
    display: none !important;
}

body[data-active-preset].hide-reading-time .post-reading-time,
body[data-active-preset].hide-reading-time .reading-time,
body[data-active-preset].hide-reading-time .episode-reading-time,
body[data-active-preset].hide-reading-time .post-card-meta span:not(.post-card-author),
body[data-active-preset].hide-reading-time .featured-meta span:last-child {
    display: none !important;
}

body[data-active-preset].hide-excerpt .post-card-excerpt,
body[data-active-preset].hide-excerpt .classic-post-excerpt,
body[data-active-preset].hide-excerpt .episode-excerpt,
body[data-active-preset].hide-excerpt .related-post-excerpt,
body[data-active-preset].hide-excerpt .featured-excerpt {
    display: none !important;
}

body[data-active-preset].hide-episode-numbers .episode-number,
body[data-active-preset].hide-episode-numbers .series-nav-episode {
    display: none !important;
}

body[data-active-preset].hide-series-nav .series-nav,
body[data-active-preset].hide-series-nav .post-navigation {
    display: none !important;
}

body[data-active-preset][data-divider-style="line"] .post-card {
    border-width: 1px;
}

body[data-active-preset][data-divider-style="dashed"] .post-card {
    border-style: dashed;
}

body[data-active-preset][data-divider-style="band"] .post-card {
    border-top: 4px solid color-mix(in srgb, var(--preset-title-accent), white 20%);
}

body[data-active-preset][data-title-treatment="accent-bar"] .post-card-title a,
body[data-active-preset][data-title-treatment="accent-bar"] .featured-title a,
body[data-active-preset][data-title-treatment="accent-bar"] .classic-post-title a {
    box-decoration-break: clone;
    border-left: 0.22em solid var(--preset-title-accent);
    padding-left: 0.45em;
}

body[data-active-preset][data-title-treatment="underline"] .post-card-title a,
body[data-active-preset][data-title-treatment="underline"] .featured-title a,
body[data-active-preset][data-title-treatment="underline"] .classic-post-title a {
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--preset-title-accent), transparent 36%);
    text-decoration-thickness: 0.11em;
    text-underline-offset: 0.16em;
}

body[data-active-preset][data-title-treatment="gradient"] .post-card-title a,
body[data-active-preset][data-title-treatment="gradient"] .featured-title a,
body[data-active-preset][data-title-treatment="gradient"] .classic-post-title a {
    background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-secondary, var(--color-primary)) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

body[data-active-preset][data-title-treatment="caps"] .post-card-title,
body[data-active-preset][data-title-treatment="caps"] .featured-title,
body[data-active-preset][data-title-treatment="caps"] .classic-post-title {
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

body[data-active-preset][data-content-texture="none"] .site-main {
    background-image: none;
}

body[data-active-preset][data-content-texture="grid"] .site-main {
    background-image:
        linear-gradient(color-mix(in srgb, var(--preset-surface-tint), transparent 26%) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--preset-surface-tint), transparent 26%) 1px, transparent 1px);
    background-size: 30px 30px;
}

body[data-active-preset][data-content-texture="dots"] .site-main {
    background-image:
        radial-gradient(circle, color-mix(in srgb, var(--preset-surface-tint), transparent 5%) 1.2px, transparent 1.2px);
    background-size: 24px 24px;
}

body[data-active-preset][data-content-texture="grain"] .site-main {
    background-image:
        radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--preset-surface-tint), transparent 12%) 0 1px, transparent 2px),
        radial-gradient(circle at 80% 60%, color-mix(in srgb, var(--preset-surface-tint), transparent 20%) 0 1px, transparent 2px);
    background-size: 18px 18px, 22px 22px;
}

body[data-active-preset] .toc-sidebar.toc-sidebar {
    position: sticky;
    top: calc(var(--header-height, 64px) + 1rem);
}

body[data-active-preset] .toc-before {
    margin-bottom: var(--space-lg);
}

body[data-active-preset] .toc-after {
    margin-top: var(--space-lg);
}

@media (max-width: 1200px) {
    body[data-active-preset] .posts-grid.posts-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    body[data-active-preset] .posts-masonry {
        column-count: 2;
    }
}

@media (max-width: 900px) {
    body[data-active-preset] .hero-split .container {
        grid-template-columns: 1fr;
    }

    body[data-active-preset] .hero-split .container::after {
        display: none;
    }

    body[data-active-preset] .posts-list .post-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    body[data-active-preset] .posts-grid.posts-grid-2,
    body[data-active-preset] .posts-grid.posts-grid-3 {
        grid-template-columns: 1fr;
    }

    body[data-active-preset] .posts-masonry {
        column-count: 1;
    }

    body[data-active-preset] .author-box {
        grid-template-columns: 1fr;
        text-align: center;
    }
}