/* Design Growth Hub · blog pages (index, categories, articles). Uses tokens from main.css. */
.orb, .bg-grid { display: none !important; }
.reveal-s, .reveal-l, .reveal-r { opacity: 1; transform: none; }
.section--charcoal { background: #fff; color: var(--ink-2); }
.section--ink { background: var(--paper-2); }
.section--light { background: var(--paper-2); }
.page-hero--center { text-align: center; }
.page-hero--center .lead, .mx-auto { margin-left: auto; margin-right: auto; }
.page-hero--center h1 { margin-left: auto; margin-right: auto; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .85rem; color: var(--muted); margin-bottom: 18px; }
.page-hero--center .breadcrumb { justify-content: center; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumb svg { width: 14px; height: 14px; opacity: .5; }
.eyebrow { display: inline-flex; font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink); }
.eyebrow--center { justify-content: center; }
.serif, .italic { font-style: normal; }
.gold { color: var(--gold-ink); }
.center { text-align: center; }
.link-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 3px; }
.link-more svg { width: 16px; height: 16px; }

/* search + filters */
.blog-search { position: relative; max-width: 620px; margin: 30px auto 0; }
.blog-search .ic { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: var(--muted); display: flex; }
.blog-search .ic svg { width: 20px; height: 20px; }
.blog-search input { width: 100%; min-height: 58px; padding: 14px 20px 14px 52px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 1.02rem; background: #fff; }
.blog-search input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(193, 150, 79, .3); }
.blog-filters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px; }
.chip-filter { min-height: 40px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line-2); background: #fff; color: var(--ink-2); font-size: .9rem; font-weight: 500; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.chip-filter:hover { border-color: var(--ink); color: var(--ink); }
.chip-filter[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip-n { margin-left: 4px; font-size: .78em; font-weight: 600; opacity: .6; font-variant-numeric: tabular-nums; }

/* post cards */
.post-grid, .related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 36px); }
.post-card { display: flex; flex-direction: column; text-decoration: none; color: inherit; border-radius: var(--radius-l); overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.post-card-media { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--paper-2); }
.post-card-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) contrast(1.05); transition: transform .6s var(--ease), filter .4s; }
.post-card:hover .post-card-media img { transform: scale(1.03); filter: none; }
.post-cat { display: block; color: var(--gold-ink); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.post-card-body { display: flex; flex-direction: column; gap: 10px; padding: 22px 22px 24px; flex: 1; }
.post-card-body h3 { font-size: 1.18rem; line-height: 1.3; }
.post-card-body p { font-size: .95rem; color: var(--muted); }
.post-card-foot { margin-top: auto; padding-top: 6px; display: inline-flex; gap: 8px; align-items: center; font-weight: 600; font-size: .92rem; color: var(--ink); }
.post-card-foot svg { width: 15px; height: 15px; }
.blog-empty { display: none; text-align: center; margin-top: 32px; color: var(--muted); }
@media (max-width: 1000px) { .post-grid, .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .post-grid, .related-grid { grid-template-columns: 1fr; } }

/* article */
.article-hero { padding: clamp(32px, 5vw, 64px) 0 clamp(24px, 3vw, 40px); }
.article-head { max-width: 900px; }
.article-tags { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 18px; }
.cat-badge { display: inline-flex; padding: 5px 11px; border-radius: 4px; background: var(--ink); color: #fff; font-size: .74rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; }
.read-time { display: inline-flex; gap: 6px; align-items: center; font-size: .88rem; color: var(--muted); }
.read-time svg { width: 15px; height: 15px; }
.article-head h1 { font-size: clamp(2.1rem, 1.4rem + 2.6vw, 3.6rem); }
.article-dek { margin-top: 18px; font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem); color: var(--ink-2); max-width: 44em; line-height: 1.55; }
.article-figure { margin: clamp(28px, 4vw, 48px) 0 0; border-radius: var(--radius-l); overflow: hidden; }
.article-figure img { width: 100%; height: auto; display: block; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 56px; }
.article-layout.has-toc { grid-template-columns: minmax(0, 1fr) 280px; align-items: start; }
.article-layout .prose { max-width: 46rem; font-size: 1.08rem; line-height: 1.75; color: var(--ink-2); }
.article-layout .prose h2 { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); margin-top: 1.9em; color: var(--ink); scroll-margin-top: calc(var(--header-h) + 20px); }
.article-layout .prose h3 { margin-top: 1.5em; }
.article-layout .prose p, .article-layout .prose ul, .article-layout .prose ol { margin-top: 1em; }
.article-layout .prose a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 3px; }
.article-layout .prose blockquote { margin: 1.4em 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--gold); color: var(--ink); font-size: 1.15rem; }
.article-layout .prose strong { color: var(--ink); }
.toc { position: sticky; top: calc(var(--header-h) + 24px); padding: 22px 22px 18px; border: 1px solid var(--line); border-radius: var(--radius-l); background: #fff; }
.toc h4 { font-size: .74rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.toc ul { list-style: none; display: grid; gap: 2px; }
.toc a { display: block; padding: 7px 0; font-size: .92rem; line-height: 1.35; color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--line); }
.toc a:hover { color: var(--ink); }
.article-cta { position: relative; margin-top: 48px; padding: clamp(26px, 3vw, 40px); border-radius: var(--radius-l); background: var(--night); color: var(--on-night-2); overflow: hidden; }
.article-cta h3 { color: #fff; font-size: clamp(1.4rem, 1.2rem + .8vw, 1.9rem); }
.article-cta p { margin-top: 10px; color: var(--on-night-2); }
.article-cta .btn { margin-top: 20px; }
.article-share { display: flex; gap: 12px; align-items: center; margin-top: 32px; font-size: .9rem; color: var(--muted); }
.article-share a { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--ink); }
.article-share svg { width: 17px; height: 17px; }
@media (max-width: 1000px) { .article-layout.has-toc { grid-template-columns: 1fr; } .toc { position: relative; top: 0; order: -1; } }

/* FAQ + related */
.sec-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 48px); }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head h2 { margin-top: 14px; }
.faq { border-top: 1px solid var(--ink); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 20px 0; font-weight: 600; color: var(--ink); font-size: 1.05rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .ic svg { width: 18px; height: 18px; }
.faq-item[open] .ic svg path { d: path("M5 12h14"); }
.faq-item .ans { padding: 0 0 22px; color: var(--ink-2); }
.related-grid { margin-top: 8px; }

/* ---- premium blog (2026) ---------------------------------------------------------------- */
.blog-hero, .article-hero { background: var(--night); color: var(--on-night-2); padding: clamp(40px, 6vw, 96px) 0 clamp(48px, 6vw, 96px); }
.blog-hero h1, .article-hero h1 { color: #fff; margin-top: 18px; max-width: 16em; font-size: clamp(2.4rem, 1.5rem + 3.2vw, 4.4rem); }
.blog-hero h1 em { color: var(--gold-night); font-style: normal; }
.blog-hero .label, .article-hero .label { color: #fff; }
.blog-hero .lead { color: var(--on-night-2); margin-top: 18px; }
.blog-hero .crumbs, .blog-hero .crumbs a, .article-hero .crumbs, .article-hero .crumbs a { color: var(--on-night-3); }
.blog-hero .blog-search { margin: 32px 0 0; }
.blog-hero .blog-search input { background: #161616; border-color: rgba(255,255,255,.2); color: #fff; }
.blog-hero .blog-search input::placeholder { color: #8a8a8a; }
.blog-hero .blog-filters { justify-content: flex-start; }
.blog-hero .chip-filter { background: transparent; border-color: rgba(255,255,255,.22); color: var(--on-night-2); }
.blog-hero .chip-filter:hover { border-color: #fff; color: #fff; }
.blog-hero .chip-filter[aria-pressed="true"] { background: var(--gold-night); border-color: var(--gold-night); color: var(--ink); }
.feat-post { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; text-decoration: none; color: inherit; margin-bottom: clamp(48px, 6vw, 88px); }
.feat-media { display: block; border-radius: var(--radius-l); overflow: hidden; box-shadow: var(--shadow); }
.feat-media img { display: block; width: 100%; height: auto; transition: transform .8s var(--ease); }
.feat-post:hover .feat-media img { transform: scale(1.02); }
.feat-body { display: grid; gap: 14px; }
.feat-body .label { color: var(--gold-ink); }
.feat-body h2 { font-size: clamp(1.8rem, 1.3rem + 1.6vw, 2.8rem); }
.feat-body p { color: var(--ink-2); font-size: 1.08rem; }
.feat-body .link-arrow { justify-self: start; }
.post-card-media img { filter: none; }
.post-card:hover .post-card-media img { filter: none; }
.article-hero { padding-bottom: clamp(120px, 14vw, 220px); }
.article-hero .article-head { max-width: 980px; }
.article-hero .article-dek { color: var(--on-night-2); }
.article-hero .cat-badge { background: var(--gold-night); color: var(--ink); }
.article-hero .read-time { color: var(--on-night-3); }
.byline { display: flex; gap: 12px; align-items: center; margin-top: 26px; }
.byline img { width: 36px; height: 36px; border-radius: 8px; }
.byline span { display: grid; gap: 2px; }
.byline b { color: #fff; font-size: .95rem; }
.byline span span { font-size: .82rem; color: var(--on-night-3); }
.article-figure-wrap { margin-top: calc(-1 * clamp(90px, 11vw, 180px)); }
.article-figure-wrap .article-figure { margin: 0; box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .5); }
.article-body { padding-top: clamp(48px, 6vw, 88px); }
.read-progress { position: fixed; z-index: 120; left: 0; right: 0; top: 0; height: 3px; pointer-events: none; }
.read-progress span { display: block; height: 100%; width: 0; background: var(--gold); }
@media (max-width: 900px) { .feat-post { grid-template-columns: 1fr; } }

/* hubs, grid header, load more, key takeaways */
.hubs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: clamp(40px, 5vw, 72px); }
.hub { display: grid; gap: 6px; padding: 22px 22px 24px; border: 1px solid var(--line); border-radius: var(--radius-l); text-decoration: none; color: var(--ink); background: #fff; transition: border-color .25s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease); }
.hub b { font-size: 1.1rem; }
.hub span { font-size: .9rem; color: var(--muted); }
.hub:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow); }
.grid-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 24px; border-top: 1px solid var(--ink); padding-top: 18px; }
.more-wrap { display: flex; justify-content: center; margin-top: 40px; }
.takeaways { margin: 28px 0 8px; padding: 22px 26px; border-radius: var(--radius-l); background: var(--paper-2); border-left: 3px solid var(--gold); }
.takeaways .label { margin-bottom: 10px; }
.takeaways ul { margin: 0; padding-left: 1.1em; }
.takeaways li { margin-top: .45em; color: var(--ink); }
@media (max-width: 900px) { .hubs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .hubs { grid-template-columns: 1fr; } }
