/* CLEAN304 — LINKU Knowledge Shell. Article content stays SSR; this file only owns knowledge layout. */
.linku-knowledge-surface{--accent:var(--red);background:var(--paper);color:var(--ink);font-family:Manrope,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:-.025em;line-height:1.65;min-height:100vh;padding-top:104px}.linku-knowledge-surface main{display:block}.linku-knowledge-surface .knowledge-nav .site-links a[aria-current=page]{color:#fff}.linku-knowledge-surface .hero,.linku-knowledge-surface .hub-hero,.linku-knowledge-surface .tool-hero,.linku-knowledge-surface .report-hero{background:transparent;color:var(--ink);margin:auto;max-width:1188px;min-height:0;overflow:visible;padding:88px 24px 66px;position:relative}.linku-knowledge-surface .hero{max-width:1000px}.linku-knowledge-surface .eyebrow{color:var(--red);font-size:10px;font-weight:850;letter-spacing:.15em;margin-bottom:18px;text-transform:uppercase}.linku-knowledge-surface h1{font-size:clamp(46px,7vw,82px);font-weight:760;letter-spacing:-.065em;line-height:.96;margin:0;max-width:1000px}.linku-knowledge-surface h1 em,.linku-knowledge-surface h2 em{font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-weight:400}.linku-knowledge-surface h2{font-size:clamp(30px,4vw,48px);font-weight:730;letter-spacing:-.05em;line-height:1.04}.linku-knowledge-surface .lead{color:var(--muted);font-size:clamp(18px,2.1vw,24px);letter-spacing:-.03em;line-height:1.5;margin:28px 0;max-width:800px}.linku-knowledge-surface .meta{color:var(--muted2);display:flex;font-size:12px;font-weight:650;gap:18px}.linku-knowledge-surface .article-grid{display:grid;gap:72px;grid-template-columns:220px minmax(0,1fr);margin:auto;max-width:1000px;padding:16px 24px 110px}.linku-knowledge-surface .toc{display:flex;flex-direction:column;font-size:12px;gap:10px;position:sticky;top:105px}.linku-knowledge-surface .toc b{font-size:10px;letter-spacing:.11em;margin-bottom:7px;text-transform:uppercase}.linku-knowledge-surface .toc a{color:var(--muted);transition:color .18s ease,transform .18s ease}.linku-knowledge-surface .toc a:hover{color:var(--ink);transform:translateX(2px)}.linku-knowledge-surface .article-copy{min-width:0}.linku-knowledge-surface .article-section{border-bottom:1px solid var(--line);margin-bottom:45px;padding:0 0 40px}.linku-knowledge-surface .article-section h2{font-size:34px;margin:0 0 18px}.linku-knowledge-surface .article-section p,.linku-knowledge-surface .tool-explain p,.linku-knowledge-surface .report-body p,.linku-knowledge-surface .deep-section p{color:#504d48;font-size:17px;line-height:1.8}.linku-knowledge-surface .inline-cta{background:#0a0a0b;border-radius:28px;color:#fff;margin:60px 0;padding:38px}.linku-knowledge-surface .inline-cta span,.linku-knowledge-surface .section-head>span{color:var(--red);font-size:9px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}.linku-knowledge-surface .inline-cta h2{font-size:36px;margin:10px 0 22px}.linku-knowledge-surface .inline-cta a{background:#fff;border-radius:999px;color:#111;display:inline-flex;font-size:12px;font-weight:800;min-height:44px;padding:0 17px;align-items:center}.linku-knowledge-surface .faq details{border-top:1px solid var(--line);padding:19px 0}.linku-knowledge-surface .faq summary{cursor:pointer;font-weight:780}.linku-knowledge-surface .faq p{color:var(--muted)}.linku-knowledge-surface .related{margin:auto;max-width:1188px;padding:58px 24px 105px}.linku-knowledge-surface .section-head{margin-bottom:28px;max-width:760px}.linku-knowledge-surface .section-head h2{margin:8px 0 9px}.linku-knowledge-surface .section-head p{color:var(--muted);font-size:15px;margin:0}.linku-knowledge-surface .rel-grid{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}.linku-knowledge-surface .rel-card{align-content:space-between;background:#fff;border:1px solid var(--line);border-radius:22px;display:grid;grid-template-columns:1fr auto;min-height:155px;padding:23px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.linku-knowledge-surface .rel-card:hover{border-color:#cfc8be;box-shadow:var(--soft);transform:translateY(-3px)}.linku-knowledge-surface .rel-card span{color:var(--red);font-size:9px;font-weight:850;grid-column:1/-1;letter-spacing:.13em}.linku-knowledge-surface .rel-card b{font-size:19px;letter-spacing:-.035em;line-height:1.2;margin-top:25px}.linku-knowledge-surface .rel-card em{font-size:24px;font-style:normal}.linku-knowledge-surface .tool-card{background:#0a0a0b;border-color:#0a0a0b;color:#fff}.linku-knowledge-surface .tool-hero{align-items:center;display:grid;gap:58px;grid-template-columns:1fr 500px}.linku-knowledge-surface .calc{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--soft);padding:28px}.linku-knowledge-surface .calc label{align-items:center;border-bottom:1px solid #eeeae4;display:grid;font-size:13px;font-weight:720;gap:14px;grid-template-columns:1fr 150px;padding:13px 0}.linku-knowledge-surface .calc input{border:1px solid #d9d4cd;border-radius:12px;font:inherit;padding:12px;width:100%}.linku-knowledge-surface .result{background:#0a0a0b;border-radius:20px;color:#fff;display:flex;flex-direction:column;margin-top:24px;padding:22px}.linku-knowledge-surface .result small{color:#ff6b79;font-size:9px;font-weight:850;letter-spacing:.1em}.linku-knowledge-surface .result strong{font-size:39px;letter-spacing:-.05em;margin:8px 0}.linku-knowledge-surface .result span{color:#aaa6a0;font-size:11px}.linku-knowledge-surface .tool-explain{margin:auto;max-width:780px;padding:10px 24px 105px}.linku-knowledge-surface .hub-hero{padding-bottom:25px}.linku-knowledge-surface .report-stats{display:grid;gap:12px;grid-template-columns:repeat(3,1fr);margin-top:45px}.linku-knowledge-surface .report-stats div,.linku-knowledge-surface .dataset{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.linku-knowledge-surface .report-stats span{color:var(--muted);display:block;font-size:11px}.linku-knowledge-surface .report-stats b{display:block;font-size:30px}.linku-knowledge-surface .report-body{display:grid;gap:60px;grid-template-columns:1fr 320px;margin:auto;max-width:1000px;padding:20px 24px 105px}.linku-knowledge-surface .dataset{height:max-content}.linku-knowledge-surface .dataset h3{margin-top:0}.linku-knowledge-surface .dataset div{border-top:1px solid #eeeae4;display:flex;justify-content:space-between;padding:10px 0}.linku-knowledge-surface .research-block{background:linear-gradient(180deg,#fff,#faf8f4);border:1px solid var(--line);border-radius:28px;margin:64px 0;max-width:100%;min-width:0;padding:34px}.linku-knowledge-surface .research-head{border-bottom:1px solid #e3dfd7;padding-bottom:26px}.linku-knowledge-surface .research-head>span{color:var(--red);font-size:9px;font-weight:850;letter-spacing:.14em}.linku-knowledge-surface .research-head h2{font-size:38px;margin:8px 0 12px}.linku-knowledge-surface .research-head p{color:var(--muted);font-size:17px}.linku-knowledge-surface .deep-section{border-bottom:1px solid #e3dfd7;padding:30px 0}.linku-knowledge-surface .deep-section:last-of-type{border-bottom:0}.linku-knowledge-surface .deep-section h2{font-size:28px;margin:0 0 14px}.linku-knowledge-surface .deep-list{color:#514d54;padding-left:20px}.linku-knowledge-surface .deep-list li{margin:8px 0}.linku-knowledge-surface .table-wrap{margin:18px 0;max-width:100%;min-width:0;overflow-x:auto}.linku-knowledge-surface .data-table{background:#fff;border-collapse:collapse;min-width:560px;width:100%}.linku-knowledge-surface .data-table td,.linku-knowledge-surface .data-table th{border:1px solid #e0dcd4;font-size:13px;padding:13px 14px;text-align:left;vertical-align:top}.linku-knowledge-surface .data-table th{background:#f1eee8;font-weight:850}.linku-knowledge-surface .evidence-note{background:#f6f3ed;border-left:3px solid var(--red);color:var(--muted);font-size:11px;margin:12px 0;padding:9px 12px}.linku-knowledge-surface .sources{align-items:center;border-top:1px solid #e0dcd4;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:20px}.linku-knowledge-surface .sources b{color:var(--muted);font-size:9px;letter-spacing:.1em;text-transform:uppercase;width:100%}.linku-knowledge-surface .sources a{background:#fff;border:1px solid #ddd8d0;border-radius:999px;font-size:11px;font-weight:780;padding:8px 10px}.linku-knowledge-surface .knowledge-footer{margin-top:0}.linku-knowledge-surface .knowledge-mobile .brand{color:#fff}.linku-knowledge-surface.menu-open{overflow:hidden}
@media(max-width:800px){.linku-knowledge-surface{padding-top:78px}.linku-knowledge-surface .hero,.linku-knowledge-surface .hub-hero,.linku-knowledge-surface .tool-hero,.linku-knowledge-surface .report-hero{padding:64px 18px 46px}.linku-knowledge-surface h1{font-size:clamp(42px,12vw,58px)}.linku-knowledge-surface .article-grid,.linku-knowledge-surface .tool-hero,.linku-knowledge-surface .report-body{gap:30px;grid-template-columns:1fr}.linku-knowledge-surface .article-grid aside{display:none}.linku-knowledge-surface .rel-grid{grid-template-columns:1fr}.linku-knowledge-surface .report-stats{grid-template-columns:1fr}.linku-knowledge-surface .calc{padding:20px}.linku-knowledge-surface .calc label{grid-template-columns:1fr}.linku-knowledge-surface .meta{flex-direction:column;gap:4px}.linku-knowledge-surface .article-section h2{font-size:29px}.linku-knowledge-surface .research-block{border-radius:22px;margin:42px -2px;padding:22px 17px}.linku-knowledge-surface .research-head h2{font-size:31px}.linku-knowledge-surface .data-table{min-width:520px}}

/* CLEAN318 — Knowledge/Tools use the same product chrome and motion grammar as LINKU marketing. */
.linku-knowledge-surface.linku-marketing-surface{background:var(--paper);color:var(--ink)}
.linku-knowledge-surface.linku-marketing-surface main{position:relative;z-index:1}
.linku-knowledge-surface.linku-marketing-surface .knowledge-footer{margin-top:0}
.linku-knowledge-surface .naffy-comparison{min-width:860px}
.linku-knowledge-surface .article-copy strong{font-weight:780;color:#26231f}
.linku-knowledge-surface .inline-cta p{line-height:1.65}
.linku-knowledge-surface .knowledge-reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.75,.2,1),transform .8s cubic-bezier(.2,.75,.2,1)}
.linku-knowledge-surface .knowledge-reveal.in{opacity:1;transform:none}
.linku-knowledge-surface .research-block,.linku-knowledge-surface .rel-card,.linku-knowledge-surface .tool-card,.linku-knowledge-surface .dataset,.linku-knowledge-surface .inline-cta{transition:transform .45s cubic-bezier(.16,1,.3,1),filter .35s,box-shadow .35s,border-color .25s ease}
@media(hover:hover) and (pointer:fine){
 .linku-knowledge-surface .research-block:hover{transform:translateY(-3px);box-shadow:0 24px 65px rgba(18,16,12,.08)}
 .linku-knowledge-surface .rel-card:hover,.linku-knowledge-surface .tool-card:hover{transform:translateY(-5px);filter:brightness(1.015)}
 .linku-knowledge-surface .inline-cta:hover{transform:translateY(-3px)}
}
@media(max-width:900px){
 .linku-knowledge-surface .naffy-comparison{min-width:760px}
}
@media(max-width:620px){
 .linku-knowledge-surface .hero,.linku-knowledge-surface .hub-hero,.linku-knowledge-surface .tool-hero,.linku-knowledge-surface .report-hero{padding-top:52px}
 .linku-knowledge-surface .research-block{margin-inline:0}
 .linku-knowledge-surface .inline-cta{border-radius:22px;padding:28px 22px}
}
@media(prefers-reduced-motion:reduce){
 .linku-knowledge-surface .knowledge-reveal{opacity:1!important;transform:none!important;transition:none!important}
}