/* hub.css — Knowledge Hub article + feed styles.
   Complements main.css (tokens, .wrap, .btn, .card, .callout, .eyebrow).
   Loaded only on /knowledge-hub/ pages. */

/* Breadcrumb (visible, on-page link path) */
.whs-crumbs { font-size: 13.5px; color: var(--slate-text); margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.whs-crumbs a { color: var(--leaf); }
.whs-crumbs a:hover { color: var(--forest); }
.whs-crumbs span[aria-hidden] { color: var(--rule); }
.whs-crumbs-here { color: var(--slate-text); }

/* Article header */
.hub-head { padding-block: clamp(28px, 5vw, 52px) 8px; background: var(--seafoam); border-bottom: 1px solid var(--rule); }
.hub-head .eyebrow { margin-bottom: 12px; }
.hub-head h1 { font-size: clamp(28px, 4.2vw, 44px); max-width: 20ch; margin: 0 0 14px; }
.hub-head .lede { max-width: 62ch; }

/* In-brief box — the summary an LLM reads first */
.whs-brief { background: var(--sage); border: 1px solid var(--mint); border-radius: var(--r-card); padding: 22px 24px; margin: 0 0 28px; box-shadow: var(--shadow-card); }
.whs-brief-h { font-family: var(--ff-mono); font-size: 11px; font-weight: 500; letter-spacing: 1.6px; text-transform: uppercase; color: var(--leaf); margin-bottom: 10px; }
.whs-brief ul { margin: 0; padding-left: 20px; }
.whs-brief li { margin-bottom: 8px; color: var(--slate-text); font-size: 15.5px; }
.whs-brief li:last-child { margin-bottom: 0; }
.whs-brief-cta { margin-top: 14px; }
.whs-brief-cta a { font-weight: 600; }

/* Article body typography */
.prose { max-width: 720px; }
.prose > p, .prose > ul, .prose > ol { font-size: 16.5px; line-height: 1.7; color: var(--slate-text); }
.prose h2 { font-size: clamp(21px, 2.4vw, 27px); margin: 34px 0 12px; }
.prose h3 { font-size: 18px; margin: 22px 0 8px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 1rem; }
.prose li { margin-bottom: 6px; }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.prose thead th { text-align: left; font-family: var(--ff-mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--slate-text); padding: 10px 14px; border-bottom: 2px solid var(--rule); }
.prose tbody td { padding: 10px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose tbody tr:last-child td { border-bottom: none; }
.prose .mono { font-variant-numeric: tabular-nums; }

/* FAQ */
.faq { margin-top: 20px; }
.faq h3 { margin-top: 20px; }
.faq p { color: var(--slate-text); }

/* Article CTA band — matches the site's CTA sections (light sage surface with
   the standard green primary button), not a bespoke lime block. */
.hub-cta { background: var(--sage); color: var(--pine); border: 1px solid var(--mint); border-radius: var(--r-card); padding: clamp(24px, 4vw, 40px); margin: 8px 0 0; text-align: center; }
.hub-cta h2 { color: var(--pine); margin: 0 0 8px; }
.hub-cta p { margin: 0 auto 18px; max-width: 52ch; color: var(--slate-text); }

/* Hub feed (knowledge-hub/index.html) */
.hub-feed { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.hub-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--rule); border-radius: var(--r-card); padding: 22px 24px; box-shadow: var(--shadow-card); transition: box-shadow .15s ease, transform .15s ease; }
.hub-card:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.hub-card__meta { font-family: var(--ff-mono); font-size: 10.5px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--leaf); margin-bottom: 8px; }
.hub-card h3 { font-size: 18px; margin: 0 0 8px; }
.hub-card h3 a { color: var(--pine); }
.hub-card h3 a:hover { color: var(--forest); text-decoration: none; }
.hub-card p { font-size: 14.5px; color: var(--slate-text); margin: 0; }

/* Cluster filter chips on the hub */
.hub-clusters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 26px; }
.hub-chip { font-family: var(--ff-mono); font-size: 12px; letter-spacing: .5px; padding: 6px 14px; border-radius: var(--r-pill); background: #fff; border: 1px solid var(--rule); color: var(--forest); }