/* Blog-specific styles — uses design tokens from styles.css */

/* Hero section */
.blog-hero {
    padding: calc(var(--s-16) + 68px) 0 var(--s-12);
    text-align: center;
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

/* Listing page */
.blog-listing {
    padding: var(--s-8) 0 var(--s-16);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--s-6);
    margin-bottom: var(--s-10);
}

.post-card {
    background: var(--color-white);
    border-radius: var(--r-xl);
    padding: var(--s-6);
    border: 1px solid var(--color-gray-200);
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
}

.post-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--sh-lg);
    border-color: var(--color-gray-300);
}

.post-card-category {
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    padding: var(--s-1) var(--s-3);
    border-radius: var(--r-full);
    align-self: flex-start;
}

.post-card-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    line-height: 1.3;
    margin: 0;
}

.post-card-title a {
    color: var(--color-gray-900);
    transition: color var(--t-fast);
}

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

.post-card-excerpt {
    font-size: var(--fs-base);
    color: var(--color-gray-500);
    line-height: 1.65;
    margin: 0;
    flex-grow: 1;
}

.post-card-meta {
    font-size: var(--fs-sm);
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.meta-separator {
    color: var(--color-gray-500);
}

.post-card-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-primary);
    align-self: flex-start;
    margin-top: var(--s-2);
    transition: color var(--t-fast);
}

.post-card-link:hover {
    color: var(--color-primary-hover);
}

/* Search + filters */
.kb-controls {
    margin-bottom: var(--s-8);
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
}

.kb-search-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

.kb-controls input {
    font-family: inherit;
    width: 100%;
    max-width: 420px;
    padding: var(--s-3) var(--s-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--r-md);
    font-size: var(--fs-base);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.kb-controls input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.kb-controls input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
}

.kb-controls .category-filters {
    margin-top: 0;
}

.category-filters .category-btn {
    /* Category labels are multi-word and need auto-width.  The
       re-used .pagination-number class is sized for digit buttons
       (44×44), which clips "Beginner Guides" and longer labels. */
    width: auto;
    height: auto;
    min-height: 44px;
    padding: 10px 16px;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--r-full);
    cursor: pointer;
    transition: all var(--t-fast);
    white-space: nowrap;
}

.category-filters .category-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-soft);
}

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

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-3);
    flex-wrap: wrap;
    margin-top: var(--s-10);
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-2);
    padding: var(--s-2) var(--s-4);
    min-height: 44px;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all var(--t-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: var(--s-2);
}

.pagination-number {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all var(--t-fast);
}

.pagination-number:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

/* Empty state */
.kb-empty {
    padding: var(--s-10) var(--s-6);
    background: var(--color-gray-50);
    border: 1px dashed var(--color-gray-300);
    border-radius: var(--r-lg);
    text-align: center;
}

.kb-empty p {
    color: var(--color-gray-600);
    margin-bottom: var(--s-2);
}

.kb-empty p:first-child {
    color: var(--color-gray-800);
}

/* Result count shown while a search or category filter is active */
.kb-count {
    grid-column: 1 / -1;
    margin: 0;
    font-size: var(--fs-sm);
    color: var(--color-gray-600);
}
.posts-grid > .kb-empty { grid-column: 1 / -1; }

/* Single post page */
.blog-post {
    max-width: 740px;
    margin: 0 auto;
    padding: calc(var(--s-14) + 68px) var(--s-4) var(--s-16);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    min-height: 44px;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    margin-bottom: var(--s-6);
    transition: color var(--t-fast);
}

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

/* Post hero image */
.post-hero-image {
    margin: 0 0 var(--s-6);
    border-radius: var(--r-xl);
    overflow: hidden;
    background: var(--color-gray-100);
    aspect-ratio: 16 / 9;
}

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

.post-hero-image figcaption {
    padding: var(--s-2) var(--s-4);
    font-size: var(--fs-xs);
    color: var(--color-gray-500);
    text-align: right;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-100);
    line-height: 1.4;
}

.post-header {
    margin-bottom: var(--s-8);
}

.post-title {
    font-size: var(--fs-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin: var(--s-3) 0;
}

.post-meta {
    font-size: var(--fs-sm);
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.post-content {
    font-size: var(--fs-lg);
    line-height: 1.8;
    color: var(--color-gray-700);
}

.post-content .lead {
    font-size: var(--fs-xl);
    line-height: 1.65;
    color: var(--color-gray-600);
    margin-bottom: var(--s-8);
}

.post-content h2 {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: var(--s-10) 0 var(--s-4);
    line-height: 1.3;
}

.post-content h3 {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin: var(--s-6) 0 var(--s-3);
    line-height: 1.4;
}

.post-content p {
    margin: 0 0 var(--s-5);
    max-width: 70ch;
}

.post-content ul,
.post-content ol {
    margin: 0 0 var(--s-5);
    padding-left: var(--s-6);
}

.post-content li {
    margin-bottom: var(--s-3);
    max-width: 70ch;
}

.post-content blockquote {
    margin: var(--s-8) 0;
    padding: var(--s-5) var(--s-6);
    background: var(--color-gray-50);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--r-lg) var(--r-lg) 0;
}

.post-content blockquote p {
    font-size: var(--fs-lg);
    font-style: italic;
    color: var(--color-gray-700);
    margin: 0;
    max-width: none;
}

.post-content strong {
    font-weight: 600;
    color: var(--color-gray-900);
}

.post-navigation {
    margin-top: var(--s-12);
    padding-top: var(--s-8);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-4);
    flex-wrap: wrap;
}

.post-nav-link {
    display: flex;
    flex-direction: column;
    gap: var(--s-1);
    padding: var(--s-3) var(--s-4);
    border-radius: var(--r-md);
    border: 1px solid var(--color-gray-200);
    transition: border-color var(--t-fast), background var(--t-fast);
    min-width: 0;
    flex: 1;
    max-width: 48%;
}

.post-nav-link:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
}

.post-nav-next {
    text-align: right;
    margin-left: auto;
}

.post-nav-label {
    font-size: var(--fs-xs);
    color: var(--color-gray-500);
    font-weight: 500;
}

.post-nav-title {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-gray-900);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.post-nav-all {
    flex-shrink: 0;
}

@media (max-width: 520px) {
    .post-navigation {
        flex-direction: column;
        align-items: stretch;
    }
    .post-nav-link {
        max-width: 100%;
    }
    .post-nav-next {
        text-align: left;
    }
}

.post-category {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    padding: var(--s-1) var(--s-3);
    border-radius: var(--r-full);
    margin-bottom: var(--s-4);
}


/* eBook promo in blog */
.blog-ebook-section {
    margin-bottom: var(--s-10);
}

.ebook-cover-fallback {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
}

.ebook-cover-fallback i {
    width: 32px;
    height: 32px;
}

/* Responsive */
@media (max-width: 768px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }

    .post-title {
        font-size: var(--fs-3xl);
    }

    .post-content .lead {
        font-size: var(--fs-lg);
    }

    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 520px) {
    .blog-post {
        padding: calc(var(--s-12) + 68px) var(--s-4) var(--s-12);
    }

    .post-title {
        font-size: var(--fs-2xl);
    }
}

/* Related articles (on post pages) */
.related-posts {
    padding: var(--s-10) 0 0;
}
.related-posts .section-title {
    margin-bottom: var(--s-6);
}
.related-posts .posts-grid {
    margin-bottom: 0;
}

/* Toolkit inline promo (in-post, after the lead) */
.toolkit-inline {
    display: flex;
    gap: var(--s-4);
    align-items: center;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--r-lg);
    padding: var(--s-4) var(--s-5);
    margin: var(--s-6) 0;
    text-decoration: none;
    color: inherit;
    transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}
.toolkit-inline:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--sh-md);
    transform: translateY(-2px);
}
.toolkit-inline-cover {
    flex: 0 0 auto;
    width: 128px;
    height: 86px;
    border-radius: var(--r-sm);
    overflow: hidden;
    box-shadow: var(--sh-sm);
    background: var(--color-gray-100);
}
.toolkit-inline-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.toolkit-inline-info {
    min-width: 0;
}
.toolkit-inline-tag {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.toolkit-inline-title {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: var(--s-1) 0;
    line-height: 1.35;
}
.toolkit-inline-desc {
    font-size: var(--fs-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
    margin-bottom: var(--s-2);
}
.toolkit-inline-cta {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: var(--color-primary);
}
.toolkit-inline:hover .toolkit-inline-cta {
    color: var(--color-primary-hover);
}
@media (max-width: 640px) {
    .toolkit-inline {
        flex-direction: column;
        align-items: stretch;
    }
    .toolkit-inline-cover {
        width: 100%;
        height: auto;
        aspect-ratio: 880/591;
    }
}

/* Inline ebook CTA (new posts, Sept 2026) */
.ebook-inline-cta { margin: var(--s-8) 0; padding: var(--s-6); border-radius: 16px; background: linear-gradient(135deg, #1d4d33, #2d6a4f); color: #fff; }
.ebook-inline-inner { display: flex; gap: var(--s-5); align-items: center; justify-content: space-between; flex-wrap: wrap; }
.ebook-inline-text h3 { margin: var(--s-2) 0 var(--s-1); color: #fff; font-size: 1.2rem; }
.ebook-inline-text p { margin: 0; opacity: .9; max-width: 46ch; }
.ebook-inline-cta .btn-primary { background: #fff; color: #1d4d33; border: none; white-space: nowrap; }
.ebook-inline-cta .ebook-tag { background: rgba(255,255,255,.18); color: #fff; }
@media (max-width: 640px) { .ebook-inline-cta { padding: var(--s-4); } }

/* Static topic-cluster archive (crawlable index of every guide).
   Rendered server-side into blog/index.html by dev/scripts/render-blog-index.py
   so all 58 article URLs are link-reachable without JavaScript. */
.posts-archive {
    padding: var(--s-12) 0 var(--s-16);
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}
.posts-archive-title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 var(--s-2);
}
.posts-archive-intro {
    color: var(--color-gray-600);
    margin: 0 0 var(--s-8);
    max-width: 62ch;
}
.posts-archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--s-8) var(--s-6);
}
.posts-archive-group h3 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 var(--s-3);
    display: flex;
    align-items: center;
    gap: var(--s-2);
}
.posts-archive-count {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: var(--r-full);
    padding: 0 var(--s-2);
}
.posts-archive-group ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-2); }
.posts-archive-group a {
    color: var(--color-gray-700);
    font-size: var(--fs-sm);
    line-height: 1.4;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}
.posts-archive-group a:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* Answer-first summary box at the top of every article. Built from the post's
   own excerpt so engines and AI answers can quote a single self-contained
   answer without scrolling. */
.post-quick-answer {
    margin: var(--s-6) 0 var(--s-8);
    padding: var(--s-5) var(--s-6);
    border-left: 4px solid var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: 0 var(--r-lg) var(--r-lg) 0;
}
.post-quick-answer-title {
    font-size: var(--fs-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin: 0 0 var(--s-2);
}
.post-quick-answer p {
    margin: 0;
    font-size: var(--fs-lg);
    line-height: 1.55;
    color: var(--color-gray-800);
}