/* ============================================
   Blog Styles - Tokyo Night Theme Extension
   Extends main.css design system
   Full mobile-first responsive design
   ============================================ */

/* ============================================
   Global Mobile Overflow Controls
   ============================================ */
html.blog-page,
body.blog-page {
    overflow-x: hidden;
    max-width: 100vw;
}

.blog-page .main {
    overflow-x: hidden;
    max-width: 100%;
}

.blog-page .post-content {
    overflow-x: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.blog-page .post-content img,
.blog-page .post-content video,
.blog-page .post-content iframe,
.blog-page .post-content table {
    max-width: 100%;
}

.blog-page .post-content pre,
.blog-page .post-content code {
    overflow-x: auto;
    max-width: 100%;
    word-break: break-word;
}

/* ============================================
   Blog Listing Page
   ============================================ */
.blog-hero {
    text-align: center;
    margin-bottom: var(--space-3xl);
    padding: 0 var(--space-md);
    animation: heroReveal 0.8s var(--ease-out-expo) 0.3s both;
}

.blog-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--text-bright);
    margin-bottom: var(--space-md);
}

.blog-hero-title .highlight {
    color: var(--accent-coral);
    text-shadow: 0 0 40px rgba(247, 118, 142, 0.4);
}

.blog-hero-desc {
    font-size: clamp(0.95rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Blog Grid - Mobile First */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
    padding: 0 var(--space-xs);
}

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--space-xl);
        padding: 0;
    }
}

/* Blog Card - Mobile Optimized */
.blog-card {
    position: relative;
    background: var(--bg-surface);
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    animation: cardReveal 0.6s var(--ease-out-expo) both;
}

.blog-card:hover {
    border-color: var(--accent-coral);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-coral);
}

@media (max-width: 640px) {
    .blog-card:hover {
        transform: translateY(-2px);
    }
}

.blog-card-image {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-image svg {
    width: 48px;
    height: 48px;
    color: var(--accent-coral);
    opacity: 0.5;
}

@media (min-width: 640px) {
    .blog-card-image svg {
        width: 64px;
        height: 64px;
    }
}

.blog-card-content {
    padding: var(--space-md);
}

@media (min-width: 640px) {
    .blog-card-content {
        padding: var(--space-lg);
    }
}

.blog-card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

@media (min-width: 640px) {
    .blog-card-meta {
        gap: var(--space-md);
        font-size: 0.8rem;
    }
}

.blog-card-category {
    padding: 4px 8px;
    background: var(--accent-coral-muted);
    color: var(--accent-coral);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

@media (min-width: 640px) {
    .blog-card-category {
        padding: 4px 10px;
        font-size: 0.7rem;
    }
}

.blog-card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: var(--space-sm);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

@media (min-width: 640px) {
    .blog-card-title {
        font-size: 1.25rem;
    }
}

.blog-card-title a {
    color: inherit;
    text-decoration: none;
}

.blog-card-title a:hover {
    color: var(--accent-coral);
}

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-subtle);
}

.blog-card-read {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

@media (min-width: 640px) {
    .blog-card-read {
        font-size: 0.9rem;
    }
}

.blog-card-read:hover {
    gap: 10px;
    color: var(--text-bright);
}

.blog-card-read svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.blog-card-read:hover svg {
    transform: translateX(4px);
}

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Blog Post Page - Mobile First
   ============================================ */
.post-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-sm);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 640px) {
    .post-header {
        margin-bottom: var(--space-2xl);
        padding: 0;
        padding-bottom: var(--space-2xl);
    }
}

.post-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    font-size: 0.8rem;
    color: var(--text-muted);
}

@media (min-width: 640px) {
    .post-breadcrumb {
        margin-bottom: var(--space-lg);
        font-size: 0.85rem;
    }
}

.post-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.post-breadcrumb a:hover {
    color: var(--accent-coral);
}

.post-breadcrumb svg {
    width: 12px;
    height: 12px;
    opacity: 0.5;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .post-breadcrumb svg {
        width: 14px;
        height: 14px;
    }
}

.post-category {
    display: inline-block;
    padding: 5px 12px;
    background: var(--accent-coral-muted);
    color: var(--accent-coral);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-md);
}

@media (min-width: 640px) {
    .post-category {
        padding: 6px 14px;
        font-size: 0.75rem;
        margin-bottom: var(--space-lg);
    }
}

.post-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-bright);
    margin-bottom: var(--space-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .post-title {
        margin-bottom: var(--space-lg);
    }
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
}

@media (min-width: 640px) {
    .post-meta {
        gap: var(--space-md);
        font-size: 0.9rem;
    }
}

.post-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

@media (min-width: 640px) {
    .post-meta-item {
        gap: 6px;
    }
}

.post-meta-item svg {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

@media (min-width: 640px) {
    .post-meta-item svg {
        width: 16px;
        height: 16px;
    }
}

.post-meta-divider {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--border-strong);
}

@media (min-width: 640px) {
    .post-meta-divider {
        width: 4px;
        height: 4px;
    }
}

/* Post Content - Mobile First */
.post-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

@media (min-width: 640px) {
    .post-content {
        padding: 0;
    }
}

.post-intro {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    padding: var(--space-md);
    background: var(--accent-coral-muted);
    border-left: 3px solid var(--accent-coral);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

@media (min-width: 640px) {
    .post-intro {
        font-size: 1.15rem;
        line-height: 1.8;
        margin-bottom: var(--space-2xl);
        padding: var(--space-lg);
        border-left-width: 4px;
    }
}

.post-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-bright);
    margin: var(--space-2xl) 0 var(--space-md);
    letter-spacing: -0.02em;
    scroll-margin-top: 80px;
}

@media (min-width: 640px) {
    .post-content h2 {
        margin: var(--space-3xl) 0 var(--space-lg);
        scroll-margin-top: 100px;
    }
}

.post-content h3 {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 2vw, 1.4rem);
    font-weight: 600;
    color: var(--text-bright);
    margin: var(--space-xl) 0 var(--space-sm);
    scroll-margin-top: 80px;
}

@media (min-width: 640px) {
    .post-content h3 {
        margin: var(--space-2xl) 0 var(--space-md);
        scroll-margin-top: 100px;
    }
}

.post-content p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

@media (min-width: 640px) {
    .post-content p {
        font-size: 1.05rem;
        line-height: 1.8;
        margin-bottom: var(--space-lg);
    }
}

.post-content a {
    color: var(--accent-cyan);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: all var(--transition-fast);
}

.post-content a:hover {
    color: var(--text-bright);
    text-decoration-color: var(--accent-coral);
}

.post-content ul,
.post-content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

@media (min-width: 640px) {

    .post-content ul,
    .post-content ol {
        margin: var(--space-lg) 0;
        padding-left: var(--space-xl);
    }
}

.post-content li {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

@media (min-width: 640px) {
    .post-content li {
        font-size: 1.05rem;
        line-height: 1.8;
        margin-bottom: var(--space-sm);
    }
}

.post-content li::marker {
    color: var(--accent-coral);
}

.post-content strong {
    color: var(--text-bright);
    font-weight: 600;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--bg-deep);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    color: var(--accent-cyan);
}

/* Tables - Mobile Responsive */
.post-table-wrapper {
    overflow-x: auto;
    margin: var(--space-lg) calc(-1 * var(--space-sm));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    -webkit-overflow-scrolling: touch;
}

@media (min-width: 640px) {
    .post-table-wrapper {
        margin: var(--space-xl) 0;
    }
}

.post-table {
    width: 100%;
    min-width: 500px;
    border-collapse: collapse;
    font-size: 0.85rem;
}

@media (min-width: 640px) {
    .post-table {
        min-width: auto;
        font-size: 0.95rem;
    }
}

.post-table th {
    background: var(--bg-deep);
    font-family: var(--font-display);
    font-weight: 600;
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-bright);
    border-bottom: 2px solid var(--accent-coral);
    white-space: nowrap;
}

@media (min-width: 640px) {
    .post-table th {
        padding: var(--space-md) var(--space-lg);
    }
}

.post-table td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

@media (min-width: 640px) {
    .post-table td {
        padding: var(--space-md) var(--space-lg);
    }
}

.post-table tr:last-child td {
    border-bottom: none;
}

.post-table tr:hover td {
    background: var(--bg-hover);
}

.post-table .check {
    color: var(--accent-green);
}

.post-table .cross {
    color: var(--accent-coral);
}

/* Method Cards - Mobile Optimized */
.method-card {
    background: var(--bg-surface);
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    transition: all var(--transition-base);
}

@media (min-width: 640px) {
    .method-card {
        border-radius: var(--radius-xl);
        padding: var(--space-xl);
        margin: var(--space-xl) 0;
    }
}

.method-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-glow-cyan);
}

.method-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent-coral);
    color: var(--bg-void);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

@media (min-width: 640px) {
    .method-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
        margin-bottom: var(--space-md);
    }
}

.method-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: var(--space-sm);
}

@media (min-width: 640px) {
    .method-title {
        font-size: 1.3rem;
        margin-bottom: var(--space-md);
    }
}

.method-steps {
    counter-reset: step;
    list-style: none;
    padding: 0;
    margin: var(--space-md) 0;
}

@media (min-width: 640px) {
    .method-steps {
        margin: var(--space-lg) 0;
    }
}

.method-steps li {
    counter-increment: step;
    position: relative;
    padding-left: 44px;
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

@media (min-width: 640px) {
    .method-steps li {
        padding-left: 50px;
        margin-bottom: var(--space-md);
        font-size: 1rem;
    }
}

.method-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: var(--bg-deep);
    border: 1.5px solid var(--border-default);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--accent-cyan);
}

@media (min-width: 640px) {
    .method-steps li::before {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }
}

/* Callout Boxes - Mobile Optimized */
.callout {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
    border-left: 3px solid;
}

@media (min-width: 640px) {
    .callout {
        padding: var(--space-lg);
        border-radius: var(--radius-lg);
        margin: var(--space-xl) 0;
        border-left-width: 4px;
    }
}

.callout-tip {
    background: var(--accent-green-muted);
    border-color: var(--accent-green);
}

.callout-warning {
    background: var(--accent-amber-muted);
    border-color: var(--accent-amber);
}

.callout-info {
    background: var(--accent-cyan-muted);
    border-color: var(--accent-cyan);
}

.callout-title {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

@media (min-width: 640px) {
    .callout-title {
        gap: var(--space-sm);
        font-size: 1rem;
        margin-bottom: var(--space-sm);
    }
}

.callout-title svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .callout-title svg {
        width: 20px;
        height: 20px;
    }
}

.callout-tip .callout-title {
    color: var(--accent-green);
}

.callout-warning .callout-title {
    color: var(--accent-amber);
}

.callout-info .callout-title {
    color: var(--accent-cyan);
}

.callout p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (min-width: 640px) {
    .callout p {
        font-size: 0.95rem;
    }
}

/* Tool Card - Mobile First */
.tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin: var(--space-sm) 0;
    transition: all var(--transition-fast);
}

@media (min-width: 640px) {
    .tool-card {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        gap: var(--space-lg);
        padding: var(--space-lg);
        margin: var(--space-md) 0;
    }
}

.tool-card:hover {
    border-color: var(--accent-coral);
    background: var(--bg-surface);
}

.tool-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: var(--accent-coral-muted);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .tool-icon {
        width: 48px;
        height: 48px;
    }
}

.tool-icon svg {
    width: 22px;
    height: 22px;
    color: var(--accent-coral);
}

@media (min-width: 640px) {
    .tool-icon svg {
        width: 24px;
        height: 24px;
    }
}

.tool-name {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 4px;
    font-size: 1rem;
}

.tool-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (min-width: 640px) {
    .tool-desc {
        font-size: 0.9rem;
    }
}

/* ============================================
   FAQ Section - Matching Main Page Style
   Card-based accordion design
   ============================================ */
.faq-section {
    margin: var(--space-2xl) 0;
}

@media (min-width: 640px) {
    .faq-section {
        margin: var(--space-3xl) 0;
    }
}

.faq-section-title,
.faq-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--text-bright);
}

@media (min-width: 640px) {

    .faq-section-title,
    .faq-section h2 {
        margin-bottom: var(--space-2xl);
    }
}

.faq-grid {
    display: grid;
    gap: var(--space-sm);
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--border-subtle);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-default);
}

.faq-item[open] {
    border-color: var(--accent-coral);
    background: var(--bg-elevated);
}

.faq-item summary {
    padding: var(--space-md);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    gap: var(--space-sm);
}

@media (min-width: 640px) {
    .faq-item summary {
        padding: var(--space-lg);
        font-size: 1rem;
        gap: var(--space-md);
    }
}

.faq-item summary:hover {
    color: var(--text-bright);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--accent-coral);
    transition: transform var(--transition-spring);
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .faq-item summary::after {
        font-size: 1.35rem;
    }
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 var(--space-md) var(--space-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.7;
    margin: 0;
}

@media (min-width: 640px) {
    .faq-item p {
        padding: 0 var(--space-lg) var(--space-lg);
        font-size: 0.9rem;
    }
}

/* ============================================
   Summary Box - Mobile Optimized
   ============================================ */
.summary-box {
    background: linear-gradient(135deg, var(--bg-surface), var(--bg-elevated));
    border: 2px solid var(--accent-coral);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-2xl) 0;
}

@media (min-width: 640px) {
    .summary-box {
        border-radius: var(--radius-xl);
        padding: var(--space-xl);
        margin: var(--space-3xl) 0;
    }
}

.summary-box-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-coral);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

@media (min-width: 640px) {
    .summary-box-title {
        font-size: 1.4rem;
        margin-bottom: var(--space-lg);
    }
}

.summary-box-title svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

@media (min-width: 640px) {
    .summary-box-title svg {
        width: 24px;
        height: 24px;
    }
}

.summary-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.summary-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
}

@media (min-width: 640px) {
    .summary-list li {
        gap: var(--space-md);
        padding: var(--space-md) 0;
        font-size: 1rem;
    }
}

.summary-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.summary-list .check-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: var(--accent-green-muted);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    margin-top: 2px;
}

@media (min-width: 640px) {
    .summary-list .check-icon {
        width: 24px;
        height: 24px;
    }
}

.summary-list .check-icon svg {
    width: 12px;
    height: 12px;
}

@media (min-width: 640px) {
    .summary-list .check-icon svg {
        width: 14px;
        height: 14px;
    }
}

.summary-list strong {
    color: var(--text-bright);
}

/* ============================================
   Post CTA - Clean Design for Both Themes
   ============================================ */
.post-cta {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 1.5px solid var(--border-subtle);
    margin: var(--space-2xl) 0;
    position: relative;
    overflow: hidden;
}

@media (min-width: 640px) {
    .post-cta {
        padding: var(--space-3xl) var(--space-xl);
        margin: var(--space-3xl) 0;
    }
}

/* Subtle accent line at top */
.post-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-coral), var(--accent-amber));
}

.post-cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: var(--space-sm);
    position: relative;
}

@media (min-width: 640px) {
    .post-cta-title {
        margin-bottom: var(--space-md);
    }
}

.post-cta-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    line-height: 1.6;
}

@media (min-width: 640px) {
    .post-cta-desc {
        font-size: 1.1rem;
        margin-bottom: var(--space-xl);
    }
}

/* CTA Button - Premium Styling */
.post-cta .btn,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
}

@media (min-width: 640px) {

    .post-cta .btn,
    .btn {
        font-size: 1rem;
        padding: var(--space-md) var(--space-2xl);
    }
}

.post-cta .btn-primary,
.post-content .btn-primary {
    background: linear-gradient(135deg, var(--accent-coral), #ff6b8a) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 20px var(--accent-coral-glow);
    border-color: var(--accent-coral) !important;
}

.post-cta .btn-primary:hover,
.post-cta .btn-primary:hover:not(:disabled),
.post-content .btn-primary:hover,
.post-content .btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #ff6b8a, var(--accent-coral)) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--accent-coral-glow);
    color: #ffffff !important;
}

.post-cta .btn-primary:active,
.post-cta .btn-primary:active:not(:disabled),
.post-content .btn-primary:active,
.post-content .btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
    background: linear-gradient(135deg, var(--accent-coral), #ff6b8a) !important;
}

.post-cta .btn-primary svg,
.post-content .btn-primary svg {
    width: 16px;
    height: 16px;
    color: #ffffff !important;
    stroke: #ffffff !important;
}

@media (min-width: 640px) {
    .btn-primary svg {
        width: 18px;
        height: 18px;
    }
}

/* ============================================
   Related Posts - Mobile Grid
   ============================================ */
.related-posts {
    margin: var(--space-2xl) 0;
}

@media (min-width: 640px) {
    .related-posts {
        margin: var(--space-3xl) 0;
    }
}

.related-posts-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: var(--space-lg);
}

@media (min-width: 640px) {
    .related-posts-title {
        font-size: 1.5rem;
        margin-bottom: var(--space-xl);
    }
}

.related-posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 480px) {
    .related-posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .related-posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--space-lg);
    }
}

/* ============================================
   Table of Contents - Mobile Collapsible
   ============================================ */
.toc {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-bottom: var(--space-xl);
}

@media (min-width: 1024px) {
    .toc {
        position: sticky;
        top: 100px;
        padding: var(--space-lg);
        margin-bottom: var(--space-2xl);
    }
}

.toc-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

@media (min-width: 640px) {
    .toc-title {
        font-size: 0.9rem;
        margin-bottom: var(--space-md);
    }
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: var(--space-2xs);
}

@media (min-width: 640px) {
    .toc-list li {
        margin-bottom: var(--space-xs);
    }
}

.toc-list a {
    display: block;
    padding: var(--space-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

@media (min-width: 640px) {
    .toc-list a {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.9rem;
    }
}

.toc-list a:hover {
    background: var(--bg-hover);
    color: var(--accent-coral);
    padding-left: var(--space-md);
}

.toc-list a.active {
    background: var(--accent-coral-muted);
    color: var(--accent-coral);
}

/* ============================================
   Mobile Touch Improvements
   ============================================ */
@media (max-width: 640px) {

    /* Larger tap targets */
    .blog-card-read,
    .post-breadcrumb a,
    .toc-list a,
    .faq-item summary {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Better spacing for thumbs */
    .faq-grid {
        gap: var(--space-md);
    }

    /* Full-width mobile buttons */
    .post-cta .btn {
        width: 100%;
        max-width: 300px;
    }

    /* Card shadow reduction on mobile */
    .blog-card:hover,
    .method-card:hover {
        box-shadow: var(--shadow-md);
    }
}

/* ============================================
   Animation Refinements
   ============================================ */
@media (prefers-reduced-motion: reduce) {

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