@import url(https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap);#kct-app{--c-blue:#2563eb;--c-blue-d:#1d4ed8;--c-blue-l:#eff6ff;--c-green:#16a34a;--c-green-l:#f0fdf4;--c-amber:#d97706;--c-amber-l:#fffbeb;--c-purple:#7c3aed;--c-purple-l:#f5f3ff;--c-red:#dc2626;--c-red-l:#fef2f2;--c-text:#111827;--c-text-m:#4b5563;--c-text-s:#9ca3af;--c-border:#e5e7eb;--c-bg:#f9fafb;--c-white:#ffffff;--r:10px;--r-sm:7px;--shadow:0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.05);font-family:'Inter',system-ui,sans-serif;color:var(--c-text);max-width:900px;margin:0 auto;padding-bottom:64px;box-sizing:border-box}#kct-app *,#kct-app *::before,#kct-app *::after{box-sizing:border-box;margin:0}.kct-hero{padding:48px 0 36px;text-align:center}.kct-hero-badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--c-blue);background:var(--c-blue-l);border:1px solid #bfdbfe;border-radius:20px;padding:4px 12px;margin-bottom:16px}.kct-h1{font-size:clamp(24px, 4vw, 36px);font-weight:700;line-height:1.15;color:var(--c-text);margin-bottom:12px}.kct-hero-sub{font-size:16px;color:var(--c-text-m);max-width:560px;margin:0 auto 20px;line-height:1.6}.kct-hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.kct-hero-chips span{font-size:13px;color:var(--c-text-m);background:var(--c-white);border:1px solid var(--c-border);border-radius:20px;padding:4px 12px}.kct-tool-section{margin-bottom:8px}.kct-tool-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:14px;box-shadow:var(--shadow-md);display:grid;grid-template-columns:1fr 220px;gap:0;overflow:hidden}@media (max-width:640px){.kct-tool-card{grid-template-columns:1fr}}.kct-tool-left{padding:24px;border-right:1px solid var(--c-border)}@media (max-width:640px){.kct-tool-left{border-right:none;border-bottom:1px solid var(--c-border)}}.kct-field-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.kct-tool-label{font-size:14px;font-weight:600;color:var(--c-text)}.kct-kw-count{font-size:12px;color:var(--c-text-s);font-variant-numeric:tabular-nums}.kct-textarea{width:100%;height:230px;resize:vertical;font-family:'SFMono-Regular','Consolas',monospace;font-size:13px;line-height:1.7;color:var(--c-text);background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-sm);padding:12px 14px;outline:none;transition:border-color .15s,box-shadow .15s}.kct-textarea:focus{border-color:var(--c-blue);box-shadow:0 0 0 3px rgb(37 99 235 / .12);background:var(--c-white)}.kct-textarea-footer{margin-top:8px;display:flex;gap:12px}.kct-link-btn{font-size:12px;font-weight:500;color:var(--c-blue);background:none;border:none;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:2px}.kct-link-btn:hover{opacity:.75}.kct-link-danger{color:var(--c-text-s)}.kct-tool-right{padding:24px;display:flex;flex-direction:column;gap:0}.kct-option-group{margin-bottom:20px}.kct-option-label{font-size:12px;font-weight:600;color:var(--c-text-s);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}.kct-opt-radio{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--c-text-m);cursor:pointer;margin-bottom:8px}.kct-opt-radio input{accent-color:var(--c-blue);margin-top:2px}.kct-opt-radio em{font-size:11px;color:var(--c-text-s);font-style:normal}.kct-btn-cluster{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 16px;font-size:15px;font-weight:600;color:var(--c-white);background:var(--c-blue);border:none;border-radius:var(--r-sm);cursor:pointer;transition:background .15s,transform .1s;margin-top:auto;margin-bottom:10px}.kct-btn-cluster:hover:not(:disabled){background:var(--c-blue-d)}.kct-btn-cluster:active:not(:disabled){transform:scale(.98)}.kct-btn-cluster:disabled{opacity:.55;cursor:not-allowed}.kct-trust-row{display:flex;align-items:center;justify-content:center;gap:4px;font-size:11px;color:var(--c-text-s)}.kct-loading{background:var(--c-white);border:1px solid var(--c-border);border-radius:14px;margin:16px 0;padding:56px 24px;text-align:center}.kct-spinner{width:40px;height:40px;border:3px solid var(--c-border);border-top-color:var(--c-blue);border-radius:50%;margin:0 auto 20px;animation:kct-spin .65s linear infinite}@keyframes kct-spin{to{transform:rotate(360deg)}}.kct-loading-text{font-size:16px;font-weight:500;color:var(--c-text);margin-bottom:4px}.kct-loading-sub{font-size:13px;color:var(--c-text-s)}.kct-dots::after{content:'';animation:kct-dots 1.4s steps(4,end) infinite}@keyframes kct-dots{0%{content:''}25%{content:'.'}50%{content:'..'}75%{content:'...'}}.kct-error-box{background:var(--c-red-l);border:1px solid #fca5a5;border-radius:var(--r-sm);padding:14px 18px;font-size:14px;color:var(--c-red);margin:16px 0}.kct-results-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin:28px 0 16px}.kct-results-title{font-size:20px;font-weight:700;color:var(--c-text)}.kct-results-btns{display:flex;gap:8px;flex-wrap:wrap}.kct-res-btn{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;font-size:13px;font-weight:500;color:var(--c-text-m);background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-sm);cursor:pointer;transition:all .12s}.kct-res-btn:hover{border-color:#9ca3af;color:var(--c-text)}.kct-res-btn-ghost{color:var(--c-text-s)}.kct-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.kct-stat{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);padding:16px 20px;display:flex;align-items:center;gap:12px}.kct-stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.kct-stat-icon-blue{background:var(--c-blue-l);color:var(--c-blue)}.kct-stat-icon-green{background:var(--c-green-l);color:var(--c-green)}.kct-stat-icon-amber{background:var(--c-amber-l);color:var(--c-amber)}.kct-stat-val{font-size:22px;font-weight:700;color:var(--c-text);line-height:1}.kct-stat-lbl{font-size:12px;color:var(--c-text-s);margin-top:2px}@media (max-width:500px){.kct-stats-row{grid-template-columns:1fr}}.kct-filter-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}.kct-filter-label{font-size:12px;font-weight:600;color:var(--c-text-s);text-transform:uppercase;letter-spacing:.06em}.kct-filter-pills{display:flex;gap:6px;flex-wrap:wrap}.kct-pill-filter{font-size:12px;font-weight:500;padding:4px 12px;border-radius:20px;border:1px solid var(--c-border);background:var(--c-white);color:var(--c-text-m);cursor:pointer;transition:all .12s}.kct-pill-filter:hover{border-color:#9ca3af}.kct-pill-filter.active{background:var(--c-blue);color:#fff;border-color:var(--c-blue)}.kct-cluster{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);margin-bottom:10px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .15s}.kct-cluster:hover{border-color:#d1d5db}.kct-cluster-head{display:flex;align-items:center;gap:10px;padding:14px 18px;cursor:pointer;user-select:none}.kct-cluster-head:hover{background:#fafafa}.kct-intent{font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:20px;flex-shrink:0;white-space:nowrap}.kct-intent-Informational{background:var(--c-blue-l);color:#1e40af}.kct-intent-Transactional{background:var(--c-green-l);color:#065f46}.kct-intent-Commercial{background:var(--c-amber-l);color:#92400e}.kct-intent-Navigational{background:var(--c-purple-l);color:#4c1d95}.kct-cluster-title{flex:1;font-size:15px;font-weight:600;color:var(--c-text)}.kct-cluster-kw-count{font-size:12px;color:var(--c-text-s);white-space:nowrap}.kct-chev{color:var(--c-text-s);transition:transform .2s;flex-shrink:0}.kct-cluster.open .kct-chev{transform:rotate(180deg)}.kct-cluster-body{display:none;padding:16px 18px 18px;border-top:1px solid var(--c-border)}.kct-cluster.open .kct-cluster-body{display:block}.kct-content-badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--c-text-m);background:var(--c-bg);border:1px solid var(--c-border);border-radius:6px;padding:4px 10px;margin-bottom:12px}.kct-content-badge strong{color:var(--c-text)}.kct-kw-pills{display:flex;flex-wrap:wrap;gap:6px}.kct-kw-pill{font-size:13px;padding:5px 12px;border-radius:20px;border:1px solid var(--c-border);background:var(--c-bg);color:var(--c-text-m);transition:all .1s}.kct-kw-main{background:var(--c-text);color:var(--c-white);border-color:var(--c-text);font-weight:600}.kct-cluster-footer{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid var(--c-border);flex-wrap:wrap;gap:8px}.kct-main-kw-note{font-size:12px;color:var(--c-text-s)}.kct-main-kw-note strong{color:var(--c-text-m)}.kct-copy-c{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:500;color:var(--c-blue);background:none;border:none;cursor:pointer;padding:0}.kct-copy-c:hover{opacity:.75}.kct-unclustered{background:var(--c-amber-l);border:1px solid #fde68a;border-radius:var(--r);padding:16px 20px;margin-top:8px}.kct-unc-title{font-size:13px;font-weight:600;color:#92400e;margin-bottom:10px}.kct-unc-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.kct-unc-pill{font-size:12px;padding:4px 10px;border-radius:20px;background:#fff;border:1px solid #fde68a;color:#78350f}.kct-unc-note{font-size:12px;color:#92400e}.kct-seo{margin-top:60px;border-top:1px solid var(--c-border);padding-top:48px}.kct-seo h2{font-size:22px;font-weight:700;color:var(--c-text);margin-bottom:14px;line-height:1.3}.kct-seo h3{font-size:17px;font-weight:600;color:var(--c-text);margin:20px 0 8px}.kct-seo p{font-size:15px;color:var(--c-text-m);line-height:1.75;margin-bottom:14px}.kct-seo-intro{margin-bottom:48px}.kct-how-it-works{background:var(--c-bg);border-radius:14px;padding:32px;margin-bottom:48px}.kct-steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px}@media (max-width:600px){.kct-steps-grid{grid-template-columns:1fr}}.kct-step{display:flex;align-items:flex-start;gap:14px}.kct-step-num{width:36px;height:36px;flex-shrink:0;background:var(--c-blue);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}.kct-step-body strong{font-size:14px;font-weight:600;color:var(--c-text);display:block;margin-bottom:5px}.kct-step-body p{font-size:13px;color:var(--c-text-m);line-height:1.6;margin:0}.kct-why-cluster{margin-bottom:48px}.kct-benefits-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}@media (max-width:580px){.kct-benefits-grid{grid-template-columns:1fr}}.kct-benefit{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);padding:20px}.kct-benefit-icon{font-size:24px;margin-bottom:8px}.kct-benefit strong{font-size:14px;font-weight:600;color:var(--c-text);display:block;margin-bottom:6px}.kct-benefit p{font-size:13px;color:var(--c-text-m);line-height:1.6}.kct-who-uses{margin-bottom:48px}.kct-use-cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}@media (max-width:580px){.kct-use-cases-grid{grid-template-columns:1fr}}.kct-use-case{background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-sm);padding:14px 16px;font-size:14px;color:var(--c-text-m);line-height:1.5}.kct-use-case strong{color:var(--c-text);display:block;margin-bottom:2px}.kct-faq-section{margin-bottom:16px}.kct-faq{margin-top:20px;display:flex;flex-direction:column;gap:8px}.kct-faq-item{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-sm);overflow:hidden}.kct-faq-item summary{padding:16px 20px;cursor:pointer;user-select:none;font-size:15px;font-weight:600;color:var(--c-text);list-style:none;display:flex;justify-content:space-between;align-items:center}.kct-faq-item summary::-webkit-details-marker{display:none}.kct-faq-item summary::after{content:'+';font-size:20px;color:var(--c-text-s);font-weight:300;flex-shrink:0;margin-left:12px;transition:transform .2s}.kct-faq-item[open] summary::after{content:'−'}.kct-faq-item p{padding:0 20px 16px;font-size:14px;color:var(--c-text-m);line-height:1.7}#kct-toast{position:fixed;bottom:24px;right:24px;background:#111827;color:#fff;font-size:13px;font-weight:500;padding:10px 18px;border-radius:8px;opacity:0;pointer-events:none;z-index:9999;transition:opacity .2s}#kct-toast.show{opacity:1}