/* ─────────────────────────────────────────────────────────────────────────────
   Blog overzicht (/blog, prefix .b-) en blogartikel (/blog/<slug>, prefix .ba-).
   Artikeltypografie, mm-usecase en mm-example komen uit assets/css/blog.css.
   ───────────────────────────────────────────────────────────────────────────── */

/* ── Overzicht: hero met zoekveld ───────────────────────────────────────── */
.b-hero { padding-bottom: 44px; }
.b-hero-copy { max-width: 760px; }
.b-hero h1 { font-size: clamp(34px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -.03em; margin: 8px 0 16px; }
.b-search { position: relative; display: flex; gap: 10px; margin-top: 28px; width: 100%; }
.b-search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--color-text-muted); pointer-events: none; }
.b-search-icon svg { width: 20px; height: 20px; }
.b-search .b-search-input { flex: 1 1 auto; min-width: 0; padding-left: 46px; min-height: 52px; font-size: 16px; }
.b-search .s-btn { flex: 0 0 auto; }
.b-search-empty, .b-search-result { margin: 14px 0 0; font-size: 15.5px; color: var(--color-text-secondary); }
.b-search-empty { padding: 12px 16px; border-radius: var(--radius-md); background: var(--color-warning-soft); border: 1px solid var(--color-warning-border); color: var(--color-text-primary); }
@media (max-width: 767px) {
    .b-search { flex-direction: column; }
    .b-search-icon { top: 26px; }
    .b-search .s-btn { width: 100%; }
}

/* ── Overzicht: sticky filters ──────────────────────────────────────────── */
.b-filters { position: sticky; top: var(--header-height); z-index: 50; background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: 12px 0; }
.b-filters .s-container { display: grid; gap: 8px; }
.b-filter-row { display: flex; align-items: center; gap: 12px; min-width: 0; }
.b-filter-row .s-chip-row-label { flex: 0 0 auto; min-width: 128px; margin: 0; }
.b-filter-pills { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }
.b-filter-meta { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.b-count { font-weight: 700; color: var(--color-text-primary); font-variant-numeric: tabular-nums; }
.b-clear { font-weight: 600; }
@media (max-width: 1023px) {
    .b-filter-row { flex-direction: column; align-items: stretch; gap: 6px; }
    .b-filter-pills { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; margin: 0 calc(-1 * var(--gutter)); padding: 2px var(--gutter); }
    .b-filter-pills::-webkit-scrollbar { display: none; }
    .b-filter-pills .s-chip { flex: 0 0 auto; }
}

/* ── Overzicht: lees-routes ─────────────────────────────────────────────── */
.b-routes .s-section-head { margin-bottom: 28px; }
.b-route-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.b-route-card { display: flex; flex-direction: column; gap: 10px; padding: 24px; }
.b-route-card .s-kicker { margin: 0; }
.b-route-card .s-card-title { font-size: 18.5px; line-height: 1.35; margin: 0; }
.b-route-card .s-card-text { margin: 0 0 6px; font-size: 15px; color: var(--color-text-secondary); flex: 1 1 auto; }
.b-route-card .s-btn { align-self: flex-start; }
.b-route-progress .w9-progress { margin: 0; }
.b-start-here { display: grid; grid-template-columns: 200px minmax(0, 1fr) auto; align-items: center; gap: 12px 28px; padding: 18px 24px; margin-bottom: 20px; border-radius: var(--radius-lg); background: var(--color-surface-blue); border: 1px solid var(--color-border); }
.b-start-here .s-kicker { margin: 0; }
.b-route-meta { margin: 2px 0 0; font-size: 14px; color: var(--color-text-secondary); }
.b-start-here-list { margin: 0; padding-left: 1.2em; font-size: 15px; line-height: 1.5; }
.b-start-here-list li { margin: 2px 0; }
.b-start-here-list a { color: var(--color-text-primary); font-weight: 600; }
.b-start-here-list li.is-read a::after { content: " ✓"; color: var(--color-success-strong); }
@media (max-width: 1023px) {
    .b-route-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .b-start-here { grid-template-columns: 1fr; }
    .b-start-here .s-btn { justify-self: start; }
}
@media (max-width: 639px) { .b-route-grid { grid-template-columns: 1fr; } }

/* ── Overzicht: raster + zijbalk ────────────────────────────────────────── */
.b-layout { display: block; }
.b-sidebar { display: none; }
@media (min-width: 1200px) {
    .b-layout { display: grid; grid-template-columns: minmax(0, 1fr) 264px; gap: 32px; align-items: start; }
    .b-sidebar { display: block; align-self: stretch; }
    /* Onder de header én de vaste filterbalk stoppen; --b-filters-h zet blog-index.js (hoogte varieert met de breedte). */
    .b-sidebar-sticky { position: sticky; top: calc(var(--header-height) + var(--b-filters-h, 140px) + 20px); }
    .b-sidebar-sticky .s-fact-sidebar { position: static; }
    .b-fact-inline { display: none !important; }
}
.b-sidebar .s-fact { margin: 0; }
.b-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-flow: row dense; gap: 24px; }
.b-item { min-width: 0; display: flex; }
.b-item > .s-blog-card { flex: 1 1 auto; }
.b-item.is-feature { grid-column: span 2; }
.b-full { grid-column: 1 / -1; display: block; }
.b-item.is-feature .s-blog-card-cover { aspect-ratio: 16 / 8; }
@media (max-width: 1023px) { .b-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 639px) {
    .b-grid { grid-template-columns: 1fr; gap: 20px; }
    .b-item.is-feature { grid-column: auto; }
    .b-item.is-feature .s-blog-card-cover { aspect-ratio: 16 / 9; }
}
.b-empty { margin-top: 8px; }
.b-more { display: flex; justify-content: center; margin-top: 36px; }

/* Uitgelichte gids (warm geel, over alle kolommen) */
.b-guide { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 32px; align-items: center; padding: 28px 32px; border-radius: var(--radius-lg); background: var(--color-warning-soft); border: 1px solid var(--color-warning-border); }
.b-guide-body .s-kicker { color: var(--color-warning-strong); margin: 0 0 6px; }
.b-guide-body h2 { margin: 0 0 10px; }
.b-guide-body p { color: var(--color-text-secondary); margin: 0 0 18px; max-width: 560px; }
.b-guide-cover { position: relative; }
.b-guide-cover > img { width: 100%; aspect-ratio: 210 / 297; object-fit: cover; border-radius: 10px; box-shadow: var(--shadow-md); }
.b-guide-pdf { aspect-ratio: 210 / 297; display: flex; flex-direction: column; gap: 8px; padding: 16px 14px; border-radius: 10px; background: #071A3D; color: #fff; box-shadow: var(--shadow-md); overflow: hidden; }
.b-guide-pdf-kicker { font-size: 9px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #9DB8FF; }
.b-guide-pdf-figure { margin-top: auto; font-size: 25px; line-height: 1.05; font-weight: 800; color: #12B3C7; letter-spacing: -.02em; }
.b-guide-pdf-title { font-size: 12.5px; line-height: 1.3; font-weight: 700; }
.b-guide-pdf-logo { margin-top: 10px; width: 70px; height: auto; filter: brightness(0) invert(1); opacity: .9; }
.b-guide-pdf-badge { position: absolute; top: -8px; right: -8px; padding: 3px 8px; border-radius: 6px; background: var(--color-error); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: .06em; }
@media (max-width: 639px) {
    .b-guide { grid-template-columns: 1fr; padding: 22px 20px; gap: 20px; }
    .b-guide-cover { width: 140px; }
}

/* ── Artikel: hero ──────────────────────────────────────────────────────── */
.ba-article { padding: 48px 0 24px; }
.ba-hero { max-width: calc(68rem + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.ba-back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 22px; font-size: 15px; font-weight: 650; color: var(--color-text-secondary); }
.ba-back:hover { color: var(--color-primary); text-decoration: none; }
.ba-pills { margin-bottom: 16px; }
.ba-pills a.s-pill:hover { text-decoration: none; border-color: currentColor; }
.ba-hero h1 { max-width: 22ch; margin: 0 0 18px; font-size: clamp(32px, 5vw, 58px); line-height: 1.06; letter-spacing: -.04em; }
.ba-deck { max-width: 46rem; margin: 0 0 18px; font-size: clamp(18px, 2vw, 21px); line-height: 1.6; color: var(--color-text-secondary); }
.ba-meta { margin: 0; font-size: 14.5px; font-weight: 600; color: var(--color-text-muted); }
.ba-cover { margin: 36px 0 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); box-shadow: var(--shadow-md); background: var(--color-surface-blue); }
.ba-cover img { width: 100%; aspect-ratio: 16 / 8.5; object-fit: cover; }
@media (max-width: 767px) { .ba-article { padding-top: 28px; } .ba-cover { margin-top: 24px; } }

/* ── Artikel: tekstkolom en zijbalk ─────────────────────────────────────── */
.ba-layout { max-width: calc(68rem + 2 * var(--gutter)); margin: 56px auto 0; padding: 0 var(--gutter); }
.ba-main { max-width: 46rem; margin: 0 auto; min-width: 0; }
.ba-sidebar { display: none; }
@media (min-width: 1200px) {
    .ba-layout { display: grid; grid-template-columns: minmax(0, 46rem) 16.5rem; justify-content: space-between; gap: 48px; align-items: start; }
    .ba-main { margin: 0; }
    .ba-sidebar { display: block; align-self: stretch; }
    .ba-sidebar-sticky { position: sticky; top: 7rem; display: grid; gap: 20px; }
    .ba-sticky-bar { display: none !important; }
}
.ba-toc-title { margin: 0 0 10px; font-size: 12.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-muted); }
.ba-toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--color-border); }
.ba-toc li { margin: 0; }
.ba-toc a { display: block; margin-left: -2px; padding: 6px 0 6px 14px; border-left: 2px solid transparent; font-size: 14px; line-height: 1.4; color: var(--color-text-secondary); }
.ba-toc a:hover { color: var(--color-primary); text-decoration: none; }
.ba-toc a.is-active { border-left-color: var(--color-primary); color: var(--color-primary); font-weight: 650; }
.ba-cta-card { position: relative; padding: 20px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); }
.ba-cta-title { margin: 0 28px 6px 0; font-size: 17px; font-weight: 750; line-height: 1.3; }
.ba-cta-text { margin: 0 0 14px; font-size: 14.5px; line-height: 1.5; color: var(--color-text-secondary); }
.ba-cta-close, .ba-sticky-close { flex: 0 0 auto; width: 36px; height: 36px; border: 0; border-radius: 50%; background: transparent; color: var(--color-text-muted); font-size: 22px; line-height: 1; cursor: pointer; }
.ba-cta-close { position: absolute; top: 8px; right: 8px; }
.ba-cta-close:hover, .ba-sticky-close:hover { background: var(--color-bg); color: var(--color-text-primary); }

/* Mobiele sticky CTA-balk (56px) */
.ba-sticky-bar { height: 56px; min-height: 56px; padding: 8px var(--gutter); gap: 10px; }
.ba-sticky-text { flex: 1 1 auto; min-width: 0; margin: 0; font-size: 14.5px; line-height: 1.25; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ba-sticky-bar .s-btn { flex: 0 0 auto; white-space: nowrap; }
@media (max-width: 374px) { .ba-sticky-text { font-size: 13.5px; } }

/* ── Artikel: content-aanvullingen bovenop blog.css ─────────────────────── */
.blog-article-content .blog-figure { margin: 2rem 0 2.2rem; }
.blog-article-content .blog-figure img { margin: 0; cursor: zoom-in; border: 1px solid var(--color-border); }
.blog-article-content .blog-figure figcaption { margin-top: .7rem; font-size: .9rem; font-style: italic; line-height: 1.55; color: var(--color-text-muted); }
.blog-article-content .blog-sources-title { margin-top: 3rem; font-size: 1.05rem; letter-spacing: .02em; color: var(--color-text-secondary); }
.blog-article-content .blog-sources { font-size: .92rem; line-height: 1.6; color: var(--color-text-secondary); padding-left: 1.4em; }
.blog-article-content .blog-sources li { margin-bottom: .45rem; padding: 2px 4px; border-radius: 6px; scroll-margin-top: calc(var(--header-height) + 24px); }
.blog-article-content .blog-sources li.is-flash { animation: s-highlight 2.2s ease; }
.blog-article-content .blog-sources li:focus { outline: none; }
.blog-article-content a.blog-ref { text-decoration: none; font-weight: 650; font-size: .88em; white-space: nowrap; }
.blog-article-content a.blog-ref:hover { text-decoration: underline; }
.blog-article-content h2 { scroll-margin-top: calc(var(--header-height) + 24px); }
.blog-article-content .mm-usecase-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.4rem; }
.blog-article-content a.mm-usecase-explorer { font-weight: 700; text-decoration: none; }
.blog-article-content a.mm-usecase-explorer::after { content: " →"; }
.blog-article-content a.mm-usecase-explorer:hover { text-decoration: underline; }
.ba-end-sentinel { height: 1px; }

/* Lees-route onder de bronnenlijst */
.ba-route-block { margin: 48px 0 8px; }

/* ── Read next en related ───────────────────────────────────────────────── */
.ba-next { margin-top: 64px; }
.ba-next .s-h2 { margin-bottom: 28px; }
.ba-related-title { margin: 56px 0 18px; }
.ba-related { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.ba-related-blogs { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 4px 22px; }
.ba-related-blogs .s-blog-list-item.is-last { border-bottom: 0; }
.ba-related-blogs .s-blog-list-item img { width: 120px; }
.ba-related-tool { height: 100%; }
@media (max-width: 899px) { .ba-related { grid-template-columns: 1fr; } }
@media (max-width: 479px) { .ba-related-blogs .s-blog-list-item { grid-template-columns: 84px 1fr; gap: 14px; } .ba-related-blogs .s-blog-list-item img { width: 84px; } }

@media print {
    .ba-sidebar, .ba-sticky-bar, .ba-next, .ba-route-block, .b-filters { display: none !important; }
}