.knowledge-hub { background: #fff; }
.case-hub .knowledge-card-media { border-bottom: 3px solid rgba(200,163,95,.45); }
.knowledge-hero { position: relative; overflow: hidden; background: var(--c-primary-dark); color: #fff; }
.knowledge-hero::after { content: ""; position: absolute; width: 420px; height: 420px; right: -130px; top: -230px; border: 1px solid rgba(200,163,95,.28); border-radius: 50%; box-shadow: 0 0 0 72px rgba(200,163,95,.05), 0 0 0 144px rgba(200,163,95,.035); }
.knowledge-hero-inner { position: relative; z-index: 1; padding-top: 72px; padding-bottom: 68px; }
.knowledge-eyebrow { margin: 0 0 12px; color: var(--c-gold-light); font-size: 13px; font-weight: 700; letter-spacing: .22em; }
.knowledge-hero h1 { margin: 0; color: #fff; font-size: clamp(36px, 5vw, 58px); }
.knowledge-hero h1::after { content: ""; display: block; width: 48px; height: 3px; margin-top: 18px; background: var(--c-gold); }
.knowledge-hero p:last-child { max-width: 720px; margin: 22px 0 0; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.9; }

.knowledge-tools { position: relative; z-index: 2; margin-top: -24px; }
.knowledge-tools > .wrap { padding-top: 26px; padding-bottom: 26px; border: 1px solid var(--c-line); border-radius: 14px; background: #fff; box-shadow: 0 12px 34px rgba(15,36,64,.1); }
.knowledge-search { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(190px, 260px) auto; gap: 14px; align-items: end; }
.knowledge-search label { display: block; margin-bottom: 7px; color: var(--c-primary); font-size: 13px; font-weight: 700; }
.knowledge-input-wrap { position: relative; }
.knowledge-input-wrap svg { position: absolute; left: 15px; top: 50%; width: 19px; height: 19px; transform: translateY(-50%); fill: none; stroke: var(--c-text-light); stroke-width: 1.8; }
.knowledge-search input,
.knowledge-search select { width: 100%; min-height: 48px; border: 1px solid #d9d5ca; border-radius: 8px; background: #fff; color: var(--c-text); font: inherit; }
.knowledge-search input { padding: 10px 14px 10px 44px; }
.knowledge-search select { padding: 10px 36px 10px 14px; }
.knowledge-search input:focus,
.knowledge-search select:focus { border-color: var(--c-gold-dark); outline: 2px solid rgba(125,97,24,.18); outline-offset: 1px; }
.knowledge-search button { min-height: 48px; padding: 10px 26px; border: 1px solid var(--c-primary); border-radius: 8px; background: var(--c-primary); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.knowledge-search button:hover { background: var(--c-primary-light); }
.knowledge-search button:focus-visible,
.knowledge-filter:focus-visible,
.knowledge-card a:focus-visible,
.knowledge-pagination a:focus-visible { outline: 3px solid var(--c-gold-dark); outline-offset: 3px; }

.knowledge-filter-row { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--c-line); }
.knowledge-filter-label { padding-top: 10px; color: var(--c-text-light); font-size: 13px; font-weight: 700; white-space: nowrap; }
.knowledge-filter-list { display: flex; flex-wrap: wrap; gap: 9px; }
.knowledge-filter { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 14px; border: 1px solid var(--c-line); border-radius: 999px; color: var(--c-text); font-size: 14px; font-weight: 600; }
.knowledge-filter span { color: var(--c-text-light); font-size: 12px; }
.knowledge-filter:hover { border-color: var(--c-gold); color: var(--c-primary); }
.knowledge-filter.is-active { border-color: var(--c-primary); background: var(--c-primary); color: #fff; }
.knowledge-filter.is-active span { color: var(--c-gold-light); }

.knowledge-results { padding: 64px 0 80px; }
.knowledge-results-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.knowledge-results-kicker { margin: 0 0 5px; color: var(--c-gold-dark); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.knowledge-results-head h2 { margin: 0; font-size: 30px; }
.knowledge-results-head > p { margin: 0; color: var(--c-text-light); font-size: 14px; }
.knowledge-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.knowledge-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid var(--c-line); border-radius: 12px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.knowledge-card:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(15,36,64,.11); }
.knowledge-card-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--c-ivory); }
.knowledge-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.knowledge-card:hover .knowledge-card-media img { transform: scale(1.025); }
.knowledge-card-placeholder { display: grid; height: 100%; place-items: center; background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary)); color: var(--c-gold-light); font-family: var(--font-serif); font-size: 24px; letter-spacing: .12em; }
.knowledge-card-body { display: flex; flex: 1; flex-direction: column; padding: 22px; }
.knowledge-card-topic { align-self: flex-start; margin-bottom: 10px; color: var(--c-gold-dark); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.knowledge-card h3 { margin: 0; font-family: var(--font-sans); font-size: 19px; }
.knowledge-card h3 a { color: var(--c-primary); }
.knowledge-card h3 a:hover { color: var(--c-gold-dark); }
.knowledge-card-body > p { flex: 1; margin: 12px 0 20px; color: var(--c-text-light); font-size: 14px; line-height: 1.8; }
.knowledge-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--c-line); }
.knowledge-card-meta time { color: var(--c-text-light); font-size: 12px; }
.knowledge-card-meta a { color: var(--c-primary); font-size: 13px; font-weight: 700; }

.knowledge-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 42px; }
.knowledge-pagination .page-numbers { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; padding: 8px 13px; border: 1px solid var(--c-line); border-radius: 999px; color: var(--c-primary); font-size: 14px; font-weight: 700; }
.knowledge-pagination .current { border-color: var(--c-primary); background: var(--c-primary); color: #fff; }
.knowledge-pagination a:hover { border-color: var(--c-gold); background: var(--c-ivory); }
.knowledge-empty { padding: 64px 24px; border: 1px solid var(--c-line); border-radius: 14px; background: var(--c-ivory); text-align: center; }
.knowledge-empty > span { display: grid; width: 52px; height: 52px; margin: 0 auto 16px; place-items: center; border: 1px solid var(--c-gold); border-radius: 50%; color: var(--c-gold-dark); font-family: var(--font-serif); font-size: 24px; }
.knowledge-empty h2 { margin: 0 0 8px; font-size: 26px; }
.knowledge-empty p { margin: 0 0 22px; color: var(--c-text-light); }

@media (max-width: 900px) {
	.knowledge-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.knowledge-search { grid-template-columns: minmax(0, 1fr) minmax(180px, 230px); }
	.knowledge-search button { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
	.knowledge-hero-inner { padding-top: 52px; padding-bottom: 54px; }
	.knowledge-hero h1 { font-size: 34px; }
	.knowledge-hero p:last-child { font-size: 15px; }
	.knowledge-tools { margin-top: -18px; }
	.knowledge-tools > .wrap { width: calc(100% - 24px); padding: 18px; }
	.knowledge-search { grid-template-columns: 1fr; }
	.knowledge-search button { grid-column: auto; }
	.knowledge-filter-row { grid-template-columns: 1fr; gap: 8px; }
	.knowledge-filter-label { padding-top: 0; }
	.knowledge-filter-list { flex-wrap: nowrap; margin-right: -18px; margin-left: -18px; padding: 2px 18px 8px; overflow-x: auto; scrollbar-width: thin; }
	.knowledge-filter { flex: none; }
	.knowledge-results { padding: 48px 0 64px; }
	.knowledge-results-head { display: block; }
	.knowledge-results-head h2 { font-size: 26px; }
	.knowledge-results-head > p { margin-top: 8px; }
	.knowledge-grid { grid-template-columns: 1fr; }
	.knowledge-pagination { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
	.knowledge-card,
	.knowledge-card-media img { transition: none; }
}