.kb-hero{padding:80px 0 64px;background:linear-gradient(135deg,#061827,#0a4050);color:#fff;position:relative;overflow:hidden}.kb-hero:after{content:"";position:absolute;width:420px;height:420px;border:70px solid rgba(255,255,255,.035);border-radius:50%;right:-100px;top:-180px}.kb-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.06;letter-spacing:-.04em;margin:16px 0;color:#fff}.kb-hero h1 em{font-style:normal;color:#7ee8ff}.kb-hero p{max-width:780px;color:#d2e5eb;font-size:18px}.kb-warning{display:flex;gap:12px;align-items:flex-start;margin-top:25px;padding:15px 18px;max-width:800px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.07);font-size:13px;color:#d6e6ec}.kb-warning b{color:#fff}.kb-controls{position:sticky;top:78px;z-index:40;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:16px 0}.kb-controls-inner{display:flex;gap:16px;align-items:center}.kb-search{position:relative;flex:1}.kb-search input{padding:13px 15px 13px 43px;background:#f5f9fa}.kb-search span{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--petrol)}.kb-filters{display:flex;gap:7px;overflow-x:auto}.kb-filter{white-space:nowrap;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 13px;border-radius:999px;font-size:11px;font-weight:800;cursor:pointer}.kb-filter.is-active{background:var(--ink);border-color:var(--ink);color:#fff}.kb-section{padding:68px 0}.kb-intro{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:30px}.kb-intro h2{font-size:38px;color:var(--ink);margin:0}.kb-count{font-size:12px;color:var(--muted)}.kb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.kb-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:20px;background:#fff;padding:23px;min-height:270px;box-shadow:0 8px 28px rgba(8,33,58,.05);transition:.25s}.kb-card:hover{transform:translateY(-4px);border-color:#9ed6da;box-shadow:0 16px 38px rgba(8,33,58,.1)}.kb-card[hidden]{display:none}.kb-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.kb-card-icon{width:44px;height:44px;border-radius:13px;background:#e9f7f7;color:#087f89;display:grid;place-items:center;font-weight:900}.kb-level{font-size:9px;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:6px 8px;background:#f1f5f7;color:#607787;font-weight:850}.kb-card h3{font-size:20px;color:var(--ink);margin:0 0 9px}.kb-card p{font-size:13px;color:var(--muted);line-height:1.55;margin:0 0 15px}.kb-card ul{padding-left:17px;margin:0 0 18px;color:#455e70;font-size:12px;line-height:1.65}.kb-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto}.kb-tags span{font-size:9px;padding:5px 7px;border-radius:7px;background:var(--paper);color:#496374;font-weight:750}.kb-empty{grid-column:1/-1;padding:35px;text-align:center;border:1px dashed #a8bdc7;border-radius:18px;color:var(--muted)}.kb-cta{margin-top:52px;padding:35px;border-radius:24px;background:linear-gradient(125deg,var(--ink),#0b6470);color:#fff;display:flex;justify-content:space-between;gap:25px;align-items:center}.kb-cta h2{color:#fff;margin:0 0 8px}.kb-cta p{color:#c7dce5;margin:0}.kb-cta .btn{flex:none}
@media(max-width:1000px){.kb-controls-inner{align-items:stretch;flex-direction:column}.kb-controls{position:relative;top:auto}.kb-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.kb-hero{padding:58px 0}.kb-grid{grid-template-columns:1fr}.kb-intro{align-items:start;flex-direction:column}.kb-filters{width:100%}.kb-cta{align-items:flex-start;flex-direction:column;padding:25px}.kb-cta .btn{width:100%}}