/* ==========================================================================
   Kennisbank: hub + article. Loaded only on kennisbank pages (inc/kennisbank.php).
   Built on the theme tokens in style.css.
   ========================================================================== */

/* ---------- Topic tones ---------- */
.vt-kb-tone--sage { --kb-bg: var(--vt-sage-soft); --kb-fg: var(--vt-forest-dark); --kb-accent: var(--vt-sage); }
.vt-kb-tone--sky { --kb-bg: var(--vt-sky-soft); --kb-fg: #3f5f60; --kb-accent: var(--vt-sky); }
.vt-kb-tone--butter { --kb-bg: var(--vt-butter-soft); --kb-fg: #7a5c14; --kb-accent: var(--vt-butter); }
.vt-kb-tone--bronze { --kb-bg: var(--vt-bronze-soft); --kb-fg: #8f5440; --kb-accent: var(--vt-bronze); }
.vt-kb-tone--rose { --kb-bg: #f2e1dd; --kb-fg: var(--vt-rose); --kb-accent: #d9a69d; }

/* ---------- Shared bits ---------- */
.vt-kb-tag {
	align-self: flex-start;
	display: inline-flex; align-items: center; gap: 0.4rem;
	padding: 0.32rem 0.75rem; border-radius: var(--vt-radius-pill);
	background: var(--kb-bg, var(--vt-sage-soft)); color: var(--kb-fg, var(--vt-forest-dark));
	font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none;
}
.vt-kb-tag svg { width: 15px; height: 15px; }
a.vt-kb-tag { transition: transform 0.25s var(--vt-ease); }
a.vt-kb-tag:hover { transform: translateY(-2px) rotate(-1.5deg); }

.vt-kb-meta { margin-top: auto; padding-top: 0.35rem; display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--vt-muted); }
.vt-kb-meta svg { width: 16px; height: 16px; }

.vt-kb-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; margin-bottom: clamp(1.5rem, 3vw, 2.25rem); }
.vt-kb-head h2 { margin: 0; }
.vt-kb-head .vt-eyebrow { margin-bottom: 0.4rem; }
.vt-kb-head__note { color: var(--vt-muted); max-width: 24rem; margin: 0; }
.vt-kb-count { margin: 0; font-weight: 700; color: var(--vt-forest); }

/* ---------- Cover illustration ---------- */
.vt-kb-cover {
	position: relative; overflow: hidden; isolation: isolate;
	display: grid; place-items: center;
	aspect-ratio: 16 / 10; border-radius: calc(var(--vt-radius-lg) - 0.5rem);
	background-color: var(--kb-bg);
	background-image: radial-gradient(circle at 1px 1px, rgba(61, 74, 66, 0.12) 1.2px, transparent 0);
	background-size: 16px 16px;
	color: var(--kb-fg);
}
.vt-kb-cover__blob {
	position: absolute; z-index: -1; left: var(--kb-x, 50%); top: var(--kb-y, 50%);
	width: 64%; aspect-ratio: 1; translate: -50% -50%; rotate: var(--kb-r, 0deg);
	background: var(--kb-accent); opacity: 0.55;
	border-radius: 44% 56% 62% 38% / 50% 40% 60% 50%;
	transition: scale 0.6s var(--vt-ease), rotate 0.8s var(--vt-ease);
}
.vt-kb-cover__dot { position: absolute; z-index: -1; right: 12%; top: 14%; width: 11%; aspect-ratio: 1; border-radius: 50%; background: var(--vt-paper); }
.vt-kb-cover__ring { position: absolute; z-index: -1; left: 10%; bottom: 12%; width: 15%; aspect-ratio: 1; border-radius: 50%; border: 3px solid var(--kb-fg); opacity: 0.25; }
.vt-kb-cover__icon { width: 26%; max-width: 76px; height: auto; aspect-ratio: 1; stroke-width: 1.6; transition: transform 0.5s var(--vt-ease); }

/* ---------- Cards ---------- */
.vt-kb-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 1.75rem); }
.vt-kb-card {
	background: var(--vt-paper); border: 1.5px solid var(--vt-line); border-radius: var(--vt-radius-lg);
	transition: transform 0.3s var(--vt-ease), box-shadow 0.3s, border-color 0.3s;
}
.vt-kb-card[hidden] { display: none !important; }
.vt-kb-card:hover, .vt-kb-card:focus-within { transform: translateY(-4px) rotate(-0.4deg); border-color: var(--vt-forest-dark); box-shadow: var(--vt-shadow-pop); }
.vt-kb-card:hover .vt-kb-cover__blob { scale: 1.12; rotate: calc(var(--kb-r, 0deg) + 25deg); }
.vt-kb-card:hover .vt-kb-cover__icon { transform: scale(1.08) rotate(-6deg); }
.vt-kb-card__link { display: flex; flex-direction: column; height: 100%; padding: 0.6rem; color: inherit; text-decoration: none; border-radius: inherit; }
.vt-kb-card__link:focus-visible { outline: 3px solid var(--vt-bronze); outline-offset: 3px; }
.vt-kb-card__body { flex: 1; display: flex; flex-direction: column; gap: 0.6rem; padding: 1rem 0.65rem 0.6rem; }
.vt-kb-card__title { margin: 0; font-size: 1.2rem; line-height: 1.25; color: var(--vt-forest-dark); }
.vt-kb-card p { margin: 0; color: var(--vt-muted); font-size: 0.95rem; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.vt-kb-card--feature .vt-kb-cover { aspect-ratio: 16 / 9; }
.vt-kb-card--feature .vt-kb-card__body { padding: 1.4rem 1rem 1rem; }
.vt-kb-card--feature .vt-kb-card__title { font-size: clamp(1.5rem, 2.6vw, 2.05rem); }
.vt-kb-card--feature p { font-size: 1.04rem; -webkit-line-clamp: 4; }
.vt-kb-card--compact .vt-kb-card__link { flex-direction: row; align-items: stretch; }
.vt-kb-card--compact .vt-kb-cover { flex: 0 0 38%; aspect-ratio: auto; min-height: 11rem; }
.vt-kb-card--compact .vt-kb-card__body { padding: 0.75rem 0.6rem 0.6rem 1.1rem; }

/* ---------- Hub: hero ---------- */
.vt-kb-hero { position: relative; overflow: hidden; padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(1.5rem, 3vw, 2.5rem); }
.vt-kb-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.vt-kb-hero h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); line-height: 1.04; margin: 0.35rem 0 1.1rem; }
.vt-kb-hero__lead { color: var(--vt-muted); font-size: 1.14rem; max-width: 36rem; margin: 0; }
.vt-kb-search { position: relative; max-width: 34rem; margin-top: 1.75rem; }
.vt-kb-search svg { position: absolute; left: 1.2rem; top: 50%; translate: 0 -50%; width: 21px; height: 21px; color: var(--vt-forest); pointer-events: none; }
.vt-kb-search input {
	width: 100%; padding: 1.05rem 1.25rem 1.05rem 3.25rem;
	border: 2px solid var(--vt-forest-dark); border-radius: var(--vt-radius-pill);
	background: var(--vt-paper); color: var(--vt-text); font: inherit; font-size: 1.02rem;
	box-shadow: var(--vt-shadow-pop); transition: box-shadow 0.2s, transform 0.2s;
	-webkit-appearance: none; appearance: none;
}
.vt-kb-search input::placeholder { color: var(--vt-muted); }
.vt-kb-search input:focus { outline: none; transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--vt-bronze); }
.vt-kb-stats { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 1.75rem; margin: 1.6rem 0 0; padding: 0; color: var(--vt-muted); font-size: 0.95rem; }
.vt-kb-stats strong { font-family: var(--vt-font-heading); font-size: 1.2rem; color: var(--vt-forest-dark); margin-right: 0.15rem; }

.vt-kb-hero__art { position: relative; width: 100%; max-width: 440px; aspect-ratio: 1; justify-self: end; }
.vt-kb-float {
	position: absolute; display: grid; place-items: center;
	background: var(--kb-bg); color: var(--kb-fg);
	border: 2px solid var(--vt-forest-dark); box-shadow: var(--vt-shadow-pop);
	animation: vt-float 6s ease-in-out infinite;
}
.vt-kb-float svg { width: 40%; height: 40%; stroke-width: 1.6; }
.vt-kb-float--1 { width: 54%; aspect-ratio: 1; left: 6%; top: 12%; border-radius: 44% 56% 62% 38% / 50% 40% 60% 50%; }
.vt-kb-float--2 { width: 32%; aspect-ratio: 1; right: 6%; top: 2%; border-radius: var(--vt-radius-lg); rotate: 8deg; animation-delay: -1.5s; }
.vt-kb-float--3 { width: 38%; aspect-ratio: 1; right: 4%; bottom: 10%; border-radius: 50%; animation-delay: -3s; }
.vt-kb-float--4 { width: 25%; aspect-ratio: 1; left: 18%; bottom: 2%; border-radius: var(--vt-radius); rotate: -10deg; animation-delay: -4.5s; }
.vt-kb-hero__art .vt-shape--3 { top: 8%; left: 58%; }
.vt-kb-hero__art .vt-shape--4 { top: auto; bottom: 30%; left: 2%; }
.vt-kb-hero__art .vt-shape--5 { top: 52%; right: auto; left: 58%; }
.vt-kb-hero > .vt-shape--2 { left: auto; right: 30%; bottom: -60px; width: 180px; height: 180px; }

/* ---------- Hub: topic chips ---------- */
.vt-kb-topics { padding: 0.25rem 0 0; }
.vt-kb-chips {
	display: flex; gap: 0.6rem; overflow-x: auto; scrollbar-width: none;
	margin: 0 calc(var(--vt-gutter) * -1); padding: 0.5rem var(--vt-gutter) 0.9rem;
	-webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--vt-gutter), #000 calc(100% - var(--vt-gutter)), transparent 100%);
	mask-image: linear-gradient(90deg, transparent 0, #000 var(--vt-gutter), #000 calc(100% - var(--vt-gutter)), transparent 100%);
}
.vt-kb-chips::-webkit-scrollbar { display: none; }
.vt-kb-chip { flex: 0 0 auto; cursor: pointer; font-family: inherit; white-space: nowrap; }
.vt-kb-chip svg { width: 17px; height: 17px; color: var(--kb-fg, currentColor); }
.vt-kb-chip:hover svg, .vt-kb-chip.is-active svg { color: inherit; }
.vt-kb-chip__n { display: inline-grid; place-items: center; min-width: 1.5rem; height: 1.5rem; padding: 0 0.35rem; border-radius: var(--vt-radius-pill); background: var(--vt-sand-soft); color: var(--vt-forest-dark); font-size: 0.75rem; font-weight: 700; }
.vt-kb-chip.is-active .vt-kb-chip__n, .vt-kb-chip:hover .vt-kb-chip__n { background: rgba(255, 255, 255, 0.18); color: #fff; }
.vt-kb-chip:focus-visible { outline: 3px solid var(--vt-bronze); outline-offset: 2px; }

/* ---------- Hub: sections ---------- */
.vt-kb-featured { padding-top: clamp(1.5rem, 3vw, 2.5rem); }
.vt-kb-featured[hidden] { display: none; }
.vt-kb-featured__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(1rem, 2.5vw, 1.75rem); }
.vt-kb-featured__side { display: grid; gap: clamp(1rem, 2.5vw, 1.75rem); align-content: start; }
.vt-kb-all { padding-top: clamp(1.5rem, 3vw, 2.5rem); scroll-margin-top: 100px; }
.vt-kb-empty { margin-top: 0.5rem; padding: 3rem 1.5rem; text-align: center; border: 2px dashed var(--vt-line); border-radius: var(--vt-radius-lg); color: var(--vt-muted); }
.vt-kb-empty svg { width: 36px; height: 36px; color: var(--vt-sage); }
.vt-kb-empty h3 { margin: 0.6rem 0 0.35rem; color: var(--vt-forest-dark); }
.vt-kb-empty p { margin: 0 0 1.25rem; }
.vt-kb-ages .vt-section-head { margin-bottom: clamp(1.5rem, 3vw, 2.25rem); }

/* ---------- Article: progress ---------- */
.vt-kb-progress { position: fixed; inset: 0 0 auto; height: 4px; z-index: 1000; pointer-events: none; }
.vt-kb-progress span { display: block; height: 100%; transform-origin: 0 50%; transform: scaleX(var(--kb-p, 0)); background: linear-gradient(90deg, var(--vt-sage), var(--vt-bronze)); }
.admin-bar .vt-kb-progress { top: 32px; }

/* ---------- Article: header ---------- */
.vt-kb-ahead { position: relative; overflow: hidden; padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.25rem, 5vw, 3.75rem); background: linear-gradient(180deg, var(--kb-bg) 0%, var(--vt-cream) 100%); }
.vt-kb-ahead .vt-shape--1 { top: auto; bottom: -180px; left: auto; right: -120px; background: var(--vt-paper); opacity: 0.6; }
.vt-kb-crumbs { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: clamp(1.5rem, 3vw, 2.25rem); font-size: 0.88rem; color: var(--vt-muted); }
.vt-kb-crumbs a { color: var(--vt-forest); text-decoration: none; font-weight: 600; }
.vt-kb-crumbs a:hover { text-decoration: underline; text-decoration-color: var(--vt-bronze); text-underline-offset: 3px; }
.vt-kb-ahead__grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.vt-kb-ahead .vt-kb-tag { background: var(--vt-paper); }
.vt-kb-ahead h1 { font-size: clamp(2rem, 4.4vw, 3.25rem); line-height: 1.1; margin: 1rem 0; }
.vt-kb-ahead__lead { font-size: 1.16rem; line-height: 1.6; color: var(--vt-text); max-width: 40rem; margin: 0; }
.vt-kb-meta-row { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.4rem 0 0; padding: 0; }
.vt-kb-meta-row li { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.38rem 0.85rem; background: var(--vt-paper); border: 1.5px solid var(--vt-line); border-radius: var(--vt-radius-pill); font-size: 0.86rem; font-weight: 600; color: var(--vt-forest-dark); }
.vt-kb-meta-row svg { width: 16px; height: 16px; color: var(--vt-bronze); }
.vt-kb-cover--hero { aspect-ratio: 1; max-width: 360px; margin-left: auto; border: 2px solid var(--vt-forest-dark); box-shadow: var(--vt-shadow-pop); border-radius: var(--vt-radius-lg); background-color: var(--vt-paper); rotate: 2deg; }
.vt-kb-cover--hero .vt-kb-cover__blob { width: 76%; opacity: 0.7; animation: vt-morph 16s ease-in-out infinite; }
.vt-kb-cover--hero .vt-kb-cover__icon { width: 34%; max-width: 110px; }

/* ---------- Article: layout + TOC ---------- */
.vt-kb-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.vt-kb-layout--solo { grid-template-columns: minmax(0, 1fr); }
.vt-kb-layout--solo .vt-kb-prose { margin: 0 auto; }
.vt-kb-toc { position: sticky; top: 108px; }
.admin-bar .vt-kb-toc { top: 140px; }
.vt-kb-toc details { background: var(--vt-paper); border: 1.5px solid var(--vt-line); border-radius: var(--vt-radius); padding: 1rem 0.9rem 0.9rem 1.1rem; }
.vt-kb-toc summary { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; cursor: pointer; list-style: none; font-family: var(--vt-font-heading); font-weight: 700; font-size: 1.08rem; color: var(--vt-forest-dark); }
.vt-kb-toc summary::-webkit-details-marker { display: none; }
.vt-kb-toc summary svg { width: 18px; height: 18px; transition: transform 0.25s var(--vt-ease); }
.vt-kb-toc details[open] summary svg { transform: rotate(180deg); }
.vt-kb-toc ol { list-style: none; counter-reset: kbtoc; display: grid; gap: 0.15rem; margin: 0.8rem 0 0; padding: 0; max-height: calc(100vh - 340px); overflow-y: auto; }
.vt-kb-toc li a { counter-increment: kbtoc; display: flex; gap: 0.6rem; padding: 0.45rem 0.55rem; border-radius: 10px; color: var(--vt-muted); font-size: 0.92rem; line-height: 1.35; text-decoration: none; transition: background 0.2s, color 0.2s; }
.vt-kb-toc li a::before { content: counter(kbtoc, decimal-leading-zero); flex: 0 0 auto; padding-top: 0.1rem; font-size: 0.78rem; font-weight: 700; color: var(--vt-bronze); }
.vt-kb-toc li a:hover, .vt-kb-toc li a.is-active { background: var(--kb-bg, var(--vt-sage-soft)); color: var(--vt-forest-dark); }
.vt-kb-toc li a.is-active { font-weight: 700; }
.vt-kb-help { margin-top: 1rem; padding: 1.15rem 1.2rem; border-radius: var(--vt-radius); background: var(--vt-forest-dark); color: rgba(238, 240, 234, 0.9); font-size: 0.92rem; }
.vt-kb-help strong { display: block; color: #fff; font-family: var(--vt-font-heading); font-size: 1.05rem; margin-bottom: 0.25rem; }
.vt-kb-help p { margin: 0 0 0.7rem; }
.vt-kb-help a { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--vt-butter); font-weight: 700; text-decoration: none; }
.vt-kb-help a svg { width: 16px; height: 16px; transition: transform 0.25s var(--vt-ease); }
.vt-kb-help a:hover svg { transform: translateX(3px); }

/* ---------- Article: typography ---------- */
.vt-kb-prose { max-width: 44rem; margin: 0; font-size: 1.1rem; line-height: 1.78; }
.vt-kb-prose > p:first-child::first-letter {
	float: left; margin: 0.3rem 0.6rem 0 0;
	font-family: var(--vt-font-heading); font-size: 3.6em; line-height: 0.8; font-weight: 700; color: var(--vt-bronze);
}
.vt-kb-prose h2 { margin-top: 2.75rem; scroll-margin-top: 110px; }
.vt-kb-prose h2::before { content: ""; display: block; width: 44px; height: 5px; margin-bottom: 0.9rem; border-radius: 5px; background: var(--kb-accent, var(--vt-bronze)); }
.vt-kb-prose h3 { scroll-margin-top: 110px; }
.vt-kb-prose a:not(.vt-btn) { color: var(--vt-forest-dark); font-weight: 600; text-decoration: underline; text-decoration-color: var(--vt-bronze); text-decoration-thickness: 2px; text-underline-offset: 3px; transition: background 0.2s; }
.vt-kb-prose a:not(.vt-btn):hover { background: var(--vt-butter-soft); }
.vt-kb-prose strong { color: var(--vt-forest-dark); }
.vt-kb-prose ul, .vt-kb-prose ol { margin: 1rem 0 1.5rem; }
.vt-kb-prose li { margin-bottom: 0.55rem; }
.vt-kb-prose table { width: 100%; margin: 1.5rem 0; border-collapse: separate; border-spacing: 0; border: 1.5px solid var(--vt-line); border-radius: var(--vt-radius); overflow: hidden; font-size: 0.98rem; }
.vt-kb-prose th, .vt-kb-prose td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--vt-line); }
.vt-kb-prose th { background: var(--vt-sand-soft); font-weight: 700; color: var(--vt-forest-dark); }
.vt-kb-prose tr:last-child td { border-bottom: 0; }
.vt-kb-back { margin-top: 3rem; padding-top: 1.5rem; border-top: 1.5px solid var(--vt-line); }
.vt-kb-back a::before { content: "← "; }

/* ---------- Article: shop + related ---------- */
.vt-kb-shop .woocommerce ul.products { margin-bottom: 0; }
.vt-kb-related .vt-kb-grid { margin-bottom: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
	.vt-kb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
	.vt-kb-layout { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
	.vt-kb-toc { position: static; }
	.vt-kb-toc ol { max-height: none; }
	.vt-kb-help { display: none; }
	.vt-kb-prose { margin: 0 auto; }
}
@media (max-width: 900px) {
	.vt-kb-hero__grid { grid-template-columns: minmax(0, 1fr); }
	.vt-kb-hero__art { display: none; }
	.vt-kb-featured__grid { grid-template-columns: minmax(0, 1fr); }
	.vt-kb-ahead__grid { grid-template-columns: minmax(0, 1fr); }
	.vt-kb-ahead__art { display: none; }
}
@media (max-width: 600px) {
	.vt-kb-grid { grid-template-columns: minmax(0, 1fr); }
	.vt-kb-card--compact .vt-kb-card__link { flex-direction: column; }
	.vt-kb-card--compact .vt-kb-cover { flex-basis: auto; min-height: 0; aspect-ratio: 16 / 10; }
	.vt-kb-card--compact .vt-kb-card__body { padding: 1rem 0.65rem 0.6rem; }
	.vt-kb-search input { font-size: 1rem; }
	.vt-kb-prose { font-size: 1.04rem; }
	.vt-kb-head { align-items: flex-start; }
}
@media (max-width: 782px) {
	.admin-bar .vt-kb-progress { top: 46px; }
}
@media (prefers-reduced-motion: reduce) {
	.vt-kb-float, .vt-kb-cover--hero .vt-kb-cover__blob { animation: none; }
	.vt-kb-card, .vt-kb-cover__blob, .vt-kb-cover__icon { transition: none; }
}