/* CSS Variables */
:root {
    --bg-primary: #fff;
    --bg-secondary: #f5f5f5;
    --bg-code: #f5f5f5;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    --accent-primary: #0066cc;
    --border-light: #eee;
    --border-medium: #ddd;
    --shadow-light: #f0f0f0;
    --transition-fast: 0.3s ease;
    --border-radius: 8px;
    --padding-standard: 20px;
    --padding-large: 25px;
}

body.dark-mode {
    --bg-primary: #1a1a1a;
    --bg-secondary: #333;
    --bg-code: #2a2a2a;
    --text-primary: #e0e0e0;
    --text-secondary: #aaa;
    --text-muted: #777;
    --accent-primary: #4d9eff;
    --border-light: #333;
    --border-medium: #555;
    --shadow-light: #333;
}

/* Base Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    background: var(--bg-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

body.wide-page { 
    max-width: 1200px; 
}

/* Typography */
h1 { 
    font-size: 24px; 
    margin-bottom: 20px; 
}

h2 { 
    font-size: 20px; 
    margin: 30px 0 15px; 
}

a { 
    color: var(--accent-primary); 
    transition: all var(--transition-fast); 
}

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

ul { 
    padding-left: 20px; 
}

ol {
  counter-reset: item
}

li { 
    display: block;
    margin-bottom: 8px; 
}

li:before {
  content: counters(item, ".") ".";
  counter-increment: item
}

img, video, iframe { 
    max-width: 100%; 
    height: auto; 
}

/* Layout */
.header { 
    margin-bottom: 40px; 
}

.nav {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-links { 
    display: flex; 
}

.nav-links a {
    margin-right: 20px;
    text-decoration: none;
    color: var(--accent-primary);
}

.nav-links a:hover { 
    color: var(--text-primary);
}

.nav-links a.active {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: bold;
}

.dark-mode-toggle {
    background: none;
    border: 1px solid var(--border-medium);
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.dark-mode-toggle:hover { 
    background: var(--bg-secondary); 
}

.columns { 
    display: flex; 
    gap: 20px; 
}

.column { 
    flex: 1; 
    min-width: 0; 
}

.back-link { 
    margin-bottom: 30px; 
    font-size: 14px; 
}

/* Content Components */
.profile-img {
    width: 120px;
    border-radius: 50%;
    margin-bottom: 20px;
    background: var(--shadow-light);
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-statement {
    background: var(--bg-secondary);
    padding: var(--padding-large);
    border-radius: var(--border-radius);
    margin: 30px 0;
    border-left: 4px solid var(--accent-primary);
    text-align: center;
}

.hero-statement p {
    font-size: 18px;
    line-height: 1.7;
    margin: 0;
    color: var(--text-primary);
}

/* Stats/Outcome Items - Unified */
.stats-grid, .outcome-grid, .value-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-item, .outcome-item, .value-item, .highlight-item, .callout-idea {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: var(--padding-standard);
    transition: all var(--transition-fast);
}

.stat-item {
    text-align: center;
    padding: var(--padding-large) 15px;
}

.stat-item:hover, .service-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.outcome-item h3, .value-item h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 18px;
    color: var(--text-primary);
}

.outcome-item p, .value-item p {
    margin-bottom: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.highlight-item { 
    margin-bottom: 20px; 
}

.highlight-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 8px;
}

.highlight-item p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Work Process */
.process-step {
    margin-bottom: 20px;
    padding-left: 20px;
    border-left: 2px solid var(--border-medium);
}

.process-step strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.process-step p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Carousel Components */
.testimonials-carousel, .services-carousel {
    position: relative;
    max-width: 100%;
    margin: 30px auto 0;
}

.testimonials-container, .services-container {
    overflow: hidden;
    padding: 0 50px;
}

.testimonial-track, .services-track {
    display: flex;
    transition: transform 0.3s ease;
    gap: 25px;
}

.testimonial-item, .service-item {
    flex: 0 0 calc((100% - 50px) / 3);
    min-width: 0;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--accent-primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition-fast);
}

.carousel-btn:hover { 
    background: var(--text-primary); 
}

.prev-btn { 
    left: 0; 
}

.next-btn { 
    right: 0; 
}

/* Testimonials */
.testimonial-content {
    background: var(--bg-secondary);
    padding: var(--padding-large);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    height: 70%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-content p {
    font-style: italic;
    line-height: 1.6;
    margin-top: -10px;
    margin-bottom: 10px;
    color: var(--text-primary);
    flex: 1;
}

.testimonial-meta {
    border-top: 10px solid var(--border-light);
    padding-top: 10px;
}

.testimonial-meta strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-size: 14px;
}

.testimonial-meta span {
    color: var(--text-secondary);
    font-size: 13px;
}

/* Service Cards */
.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-fast);
    height: 100%;
    min-height: 350px;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-primary);
}

.service-illustration {
    height: 180px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-demo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: var(--shadow-light);
    color: var(--text-secondary);
    font-size: 14px;
}

.service-content {
    padding: var(--padding-large);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.service-title {
    font-weight: bold;
    font-size: 18px;
    color: var(--text-primary);
    margin: 0;
}

.service-content p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 14px;
    flex: 1;
    margin: 0;
}

/* Demo Carousel (Single Item) */
.demo-carousel {
    position: relative;
    max-width: 100%;
    margin: 20px 0 30px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-secondary);
}

.demo-container {
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 400px;
}

.demo-track {
    display: flex;
    transition: transform 0.3s ease;
    height: 100%;
}

.demo-item {
    flex: 0 0 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-media {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    border-radius: var(--border-radius);
    object-fit: contain;
}

.demo-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.demo-carousel .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 102, 204, 0.8);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 22px;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.demo-carousel .carousel-btn:hover {
    background: rgba(51, 51, 51, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.demo-carousel .prev-btn {
    left: 15px;
}

.demo-carousel .next-btn {
    right: 15px;
}

/* Buttons - Unified System */
.explore-btn, .primary-cta, .secondary-cta {
    padding: 10px 16px;
    border-radius: 5px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-fast);
    text-align: center;
}

.explore-btn {
    background: var(--accent-primary);
    color: white;
    font-size: 13px;
    margin-top: auto;
}

.explore-btn:hover {
    background: var(--text-primary);
    text-decoration: none;
    transform: translateY(-1px);
}

.primary-cta, .secondary-cta {
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
}

.primary-cta {
    background: var(--accent-primary);
    color: white;
    border: 2px solid var(--accent-primary);
}

.primary-cta:hover {
    background: transparent;
    color: var(--accent-primary);
    text-decoration: none;
}

.secondary-cta {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.secondary-cta:hover {
    background: var(--accent-primary);
    color: white;
    text-decoration: none;
}

.retry-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-top: 15px;
    font-size: 14px;
}

.retry-btn:hover {
    background: var(--text-primary);
    transform: translateY(-1px);
}

/* CTA Section */
.cta-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 40px;
}

.cta-section h2 { 
    margin-top: 0; 
    margin-bottom: 15px; 
}

.contact-options {
    margin-top: 25px;
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-note {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-light);
}

.cta-note p { 
    margin: 0; 
    color: var(--text-secondary); 
}

/* Blog Components */
.blog-post {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.blog-post:last-child { 
    border-bottom: none; 
}

.loading .blog-post {
    opacity: 0;
    transform: translateY(10px);
}

.post-date {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 5px;
}

.post-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}

.post-title a {
    color: var(--text-primary);
    text-decoration: none;
}

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

.post-excerpt { 
    color: var(--text-secondary); 
    margin-bottom: 10px; 
}

.post-meta { 
    color: var(--text-secondary); 
    font-size: 14px; 
    margin-bottom: 30px; 
}

.post-content { 
    line-height: 1.7; 
}

.post-content p { 
    margin-bottom: 20px; 
}

.post-content h2 { 
    margin: 40px 0 20px; 
}

.post-content h3 { 
    margin: 30px 0 15px; 
    font-size: 18px; 
}

.post-content code {
    background: var(--bg-code);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
}

.post-content pre {
    background: var(--bg-code);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 20px 0;
}

.post-content pre code { 
    background: none; 
    padding: 0; 
}

.post-content blockquote {
    border-left: 3px solid var(--border-medium);
    margin: 20px 0;
    padding-left: 20px;
    color: var(--text-secondary);
}

/* Tags Components */
.tags-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.tag {
    display: inline-block;
    background: var(--bg-secondary);
    padding: 2px 8px;
    margin: 2px 4px 2px 0;
    border-radius: 3px;
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.tag:hover { 
    background: var(--border-medium); 
    text-decoration: none; 
}

/* Tag Controls */
.tag-controls {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.tag-cloud-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 15px;
}

.tag-filter {
    display: inline-block;
    background: var(--bg-primary);
    border: 1px solid var(--border-medium);
    padding: 8px 16px;
    margin: 0;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
    font-family: inherit;
    font-weight: 500;
}

.tag-filter:hover {
    background: var(--border-medium);
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tag-filter.tag-active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    font-weight: 600;
}

.tag-filter.tag-active:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    transform: translateY(-1px);
}

.tag-filter.tag-clear {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
    margin-right: 15px;
    font-weight: 600;
}

.tag-filter.tag-clear:hover {
    background: #dc2626;
    border-color: #dc2626;
    transform: translateY(-1px);
}

/* Tag Sections */
.tag-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-light);
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.tag-section:last-child {
    border-bottom: none;
    margin-bottom: 20px;
}

.tag-section:first-child {
    margin-top: 0;
}

.tag-section h2 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 22px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-primary);
    display: inline-block;
    position: relative;
    padding-right: 20px;
}

.tag-section h2::before {
    content: '#';
    position: absolute;
    left: -25px;
    color: var(--accent-primary);
    font-weight: normal;
    opacity: 0.7;
}

.tag-section h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--accent-primary), transparent);
}

/* Simple Post List - Clean and minimal */
.simple-post-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.simple-post-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
    transition: none;
}

.simple-post-item:last-child {
    border-bottom: none;
}

.simple-post-item .post-title {
    font-weight: bold;
    margin-bottom: 8px;
    line-height: 1.4;
}

.simple-post-item .post-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 17px;
    transition: color var(--transition-fast);
}

.simple-post-item .post-title a:hover {
    color: var(--accent-primary);
}

.simple-post-item .post-date {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 8px;
    font-weight: 500;
}

.simple-post-item .post-excerpt {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Fancy Tag Posts (for backward compatibility) */
.tag-posts {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tag-post-item {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--border-medium);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.tag-post-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--border-medium);
    transition: all var(--transition-fast);
}

.tag-post-item:hover {
    border-left-color: var(--accent-primary);
    transform: translateX(4px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tag-post-item:hover::before {
    background: var(--accent-primary);
    width: 6px;
}

.tag-post-item .post-title {
    font-weight: bold;
    margin-bottom: 8px;
    line-height: 1.4;
}

.tag-post-item .post-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 17px;
    transition: color var(--transition-fast);
}

.tag-post-item .post-title a:hover {
    color: var(--accent-primary);
}

.tag-post-item .post-date {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 10px;
    font-weight: 500;
}

.tag-post-item .post-excerpt {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* Pagination Components */
#blog-posts {
    min-height: 600px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.posts-content {
    flex: 1;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

#pagination-container, #tags-pagination-container {
    margin-top: 20px;
    padding: 30px 0 20px;
    border-top: 1px solid var(--border-light);
    background: var(--bg-primary);
    position: relative;
}

#pagination-container {
    position: sticky;
    bottom: 0;
    z-index: 10;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

#tags-pagination-container {
    margin-top: 30px;
    padding: 25px 0;
    border-top: 2px solid var(--border-light);
}

#tags-pagination-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--accent-primary);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 0 0 10px 0;
    flex-wrap: wrap;
}

#tags-pagination-container .pagination {
    margin-bottom: 15px;
}

.pagination-btn {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
    min-width: 40px;
    text-align: center;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.pagination-btn:active:not(:disabled) {
    transform: translateY(0);
}

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

.pagination-btn.active:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
}

.pagination-btn:disabled {
    background: var(--bg-secondary);
    color: var(--text-muted);
    border-color: var(--border-light);
    cursor: not-allowed;
    transform: none;
}

.pagination-btn.prev-btn,
.pagination-btn.next-btn {
    padding: 8px 16px;
    font-weight: 500;
}

.pagination-btn.page-btn {
    min-width: 36px;
    padding: 8px 10px;
}

.pagination-ellipsis {
    color: var(--text-muted);
    padding: 8px 4px;
    font-size: 14px;
}

.pagination-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 10px;
    margin-bottom: 20px;
}

#tags-pagination-container .pagination-info {
    font-size: 14px;
    font-weight: 500;
}

/* Callouts & Highlights */
.callout-idea {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-primary);
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.callout-icon { 
    font-size: 20px; 
    flex-shrink: 0; 
}

.callout-content { 
    flex: 1; 
}

.callout-content p { 
    margin-bottom: 0; 
}

.callout-content p:not(:last-child) { 
    margin-bottom: 15px; 
}

.result-highlight {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 20px 0;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-primary);
}

.result-metric {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-primary);
    min-width: 100px;
}

.result-description { 
    color: var(--text-primary); 
    line-height: 1.5; 
}

.tech-details-section ul { 
    list-style: none; 
    padding: 0; 
}

.tech-details-section li {
    margin-bottom: 15px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border-left: 3px solid var(--border-medium);
}

.tech-details-section strong { 
    color: var(--accent-primary); 
}

/* State Messages */
.loading, .no-posts, .error {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 40px 20px;
}

.loading-state,
.error {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.loading-state {
    text-align: center;
    padding: 60px 20px;
}

.loading-state .loading {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 8px;
    position: relative;
}

.loading-state .loading-info {
    color: var(--text-secondary);
    font-size: 14px;
}

.no-posts {
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

.error {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.error p { 
    margin-bottom: 10px; 
}

.error small { 
    color: var(--text-muted);
    display: block;
    margin-bottom: 20px;
}

/* Loading states specific to tags */
.tag-section.loading {
    opacity: 0.6;
    pointer-events: none;
}

.tag-controls.loading {
    opacity: 0.6;
    pointer-events: none;
}

#tag-sections {
    min-height: 300px;
    transition: opacity 0.3s ease;
}

#tag-sections.updating {
    opacity: 0.7;
}

/* Enhanced loading animation */
.loading {
    position: relative;
    color: var(--text-primary);
}

.loading::after {
    content: '';
    position: absolute;
    right: calc(50% - 40px);
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 3px solid var(--border-light);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

/* Contact Form Section */
.contact-form-section {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-top: 40px;
    text-align: center;
}

.contact-form-section h2 {
    margin-top: 0;
    margin-bottom: 10px;
}

.contact-form-section p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
    margin-top: 10px;
    position: relative;
}

.submit-btn:hover {
    background: var(--text-primary);
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

/* Success Popup */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transform: scale(0.8);
    transition: all var(--transition-fast);
}

.popup-overlay.show .popup-content {
    transform: scale(1);
}

.popup-icon {
    width: 60px;
    height: 60px;
    background: #22c55e;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.popup-content h3 {
    margin: 0 0 10px;
    color: var(--text-primary);
    font-size: 20px;
}

.popup-content p {
    margin: 0 0 25px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.popup-close-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.popup-close-btn:hover {
    background: var(--text-primary);
}

/* Accessibility improvements */
.tag-filter:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.tag-post-item .post-title a:focus,
.simple-post-item .post-title a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Dark mode specific enhancements */
body.dark-mode .tag-filter {
    background: var(--bg-primary);
    border-color: var(--border-medium);
}

body.dark-mode .tag-filter:hover {
    background: var(--border-medium);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

body.dark-mode .tag-post-item:hover {
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    /* Base Layout */
    body { 
        padding: 20px 15px; 
    }
    
    .nav { 
        flex-direction: column; 
        gap: 15px; 
        align-items: flex-start; 
    }
    
    .nav-links { 
        flex-wrap: wrap; 
        gap: 10px; 
    }
    
    .nav-links a { 
        margin-right: 0; 
    }
    
    .columns { 
        flex-direction: column; 
        gap: 15px; 
    }
    
    /* Content Components */
    .hero-statement { 
        padding: 20px; 
    }
    
    .hero-statement p { 
        font-size: 16px; 
    }
    
    /* Stats and Grids */
    .stats-grid { 
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); 
        gap: 15px; 
    }
    
    .stat-item { 
        padding: 20px 10px; 
    }
    
    .stat-number { 
        font-size: 24px; 
    }
    
    .outcome-grid, .value-grid { 
        grid-template-columns: 1fr; 
        gap: 15px; 
    }
    
    /* Carousels */
    .testimonials-container, .services-container { 
        padding: 0 35px; 
    }
    
    .testimonial-item, .service-item { 
        flex: 0 0 calc(100% - 20px); 
    }
    
    .carousel-btn { 
        width: 30px; 
        height: 30px; 
        font-size: 16px; 
    }
    
    /* Service Cards */
    .service-card { 
        min-height: 380px; 
    }
    
    .service-content { 
        padding: 20px; 
    }
    
    /* Results and CTAs */
    .result-highlight { 
        flex-direction: column; 
        text-align: center; 
        gap: 10px; 
    }
    
    .result-metric { 
        min-width: auto; 
    }
    
    .contact-options { 
        flex-direction: column; 
        align-items: center; 
    }
    
    .primary-cta, .secondary-cta { 
        width: 200px; 
    }
    
    /* Pagination Mobile */
    #blog-posts {
        min-height: 500px;
    }
    
    .posts-content {
        min-height: 400px;
    }
    
    .loading-state,
    .error,
    .no-posts {
        min-height: 300px;
    }
    
    #pagination-container, #tags-pagination-container {
        padding: 20px 0 15px;
        margin-top: 15px;
    }
    
    #tags-pagination-container {
        margin-top: 25px;
        padding: 20px 0;
    }
    
    .pagination {
        gap: 6px;
        margin: 0 0 8px 0;
    }
    
    #tags-pagination-container .pagination {
        gap: 6px;
        margin-bottom: 12px;
    }
    
    .pagination-btn {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 32px;
    }
    
    .pagination-btn.prev-btn,
    .pagination-btn.next-btn {
        padding: 6px 12px;
    }
    
    .pagination-btn.page-btn {
        min-width: 32px;
        padding: 6px 8px;
    }
    
    .pagination-btn.page-btn:nth-child(n+8) {
        display: none;
    }
    
    .pagination-info {
        font-size: 12px;
        margin-top: 8px;
    }
    
    #tags-pagination-container .pagination-info {
        font-size: 13px;
    }
    
    /* Tags Mobile */
    .tag-controls {
        padding: 15px;
        margin-bottom: 25px;
    }
    
    .tag-cloud-grid {
        gap: 6px;
        margin-top: 12px;
    }
    
    .tag-filter {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .tag-filter.tag-clear {
        margin-right: 0;
        margin-bottom: 12px;
        width: 100%;
        text-align: center;
        border-radius: 6px;
    }
    
    .tag-section {
        margin-bottom: 30px;
        padding-bottom: 20px;
    }
    
    .tag-section h2 {
        font-size: 20px;
        margin-bottom: 15px;
    }
    
    .tag-post-item {
        padding: 15px;
    }
    
    .tag-post-item .post-title a {
        font-size: 16px;
    }
    
    .tag-post-item .post-excerpt {
        font-size: 13px;
    }
    
    /* Contact Form Mobile */
    .contact-form-section {
        padding: 30px 20px;
        margin-top: 30px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 10px 14px;
    }
    
    .submit-btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    /* Demo Carousel Mobile */
    .demo-container {
        height: 250px;
    }
    
    .demo-carousel .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .demo-carousel .prev-btn {
        left: 10px;
    }
    
    .demo-carousel .next-btn {
        right: 10px;
    }
}

/* Responsive Design - Small Mobile */
@media (max-width: 480px) {
    /* Further reduce pagination layout */
    #blog-posts {
        min-height: 400px;
    }
    
    .posts-content {
        min-height: 300px;
    }
    
    .pagination {
        flex-direction: column;
        gap: 10px;
    }
    
    .pagination-controls {
        display: flex;
        gap: 6px;
        align-items: center;
    }
    
    .pagination-btn.prev-btn,
    .pagination-btn.next-btn {
        order: 2;
    }
    
    .pagination-btn.page-btn:not(.active):not(:hover):nth-child(n+6) {
        display: none;
    }
    
    /* Tags Small Mobile */
    .tag-controls {
        padding: 12px;
    }
    
    .tag-filter {
        padding: 5px 10px;
        font-size: 12px;
    }
    
    .tag-section h2 {
        font-size: 18px;
    }
    
    .tag-post-item {
        padding: 12px;
    }
    
    .tag-post-item .post-title a {
        font-size: 15px;
    }
    
    /* Stack pagination buttons vertically if needed */
    #tags-pagination-container .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Responsive Design - Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .testimonial-item, .service-item { 
        flex: 0 0 calc((100% - 25px) / 2); 
    }
    
    .value-grid { 
        grid-template-columns: repeat(2, 1fr); 
    }
}

/* Responsive Design - Large Desktop */
@media (min-width: 1201px) {
    .testimonial-item, .service-item { 
        flex: 0 0 calc((100% - 50px) / 3); 
    }
}