.kb-main{--kb-ink:#111d31;--kb-red:#e13749;--kb-line:#cad5df;--kb-paper:#f5f7f9;--kb-muted:#5e7087;font-family:"Plus Jakarta Sans",sans-serif;color:var(--kb-ink);background:#fff}.kb-main *{box-sizing:border-box}.kb-main a{color:inherit}.kb-shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.kb-kicker{margin:0 0 16px;color:#d33143;font-size:12px;font-weight:800;line-height:1.4;letter-spacing:.16em;text-transform:uppercase}.kb-hero{padding:118px 0 54px;border-bottom:1px solid var(--kb-line);background:linear-gradient(135deg,#fff 0%,#f8fafb 100%)}.kb-hero__grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(520px,1.18fr);gap:46px;align-items:center}.kb-hero h1{max-width:620px;margin:0;font-size:clamp(46px,5vw,74px);font-weight:800;line-height:.98;letter-spacing:-.055em}.kb-accent{color:var(--kb-red)}.kb-lead{max-width:600px;margin:26px 0 0;color:var(--kb-muted);font-size:18px;line-height:1.62}.kb-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.kb-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;gap:16px;padding:0 22px;border:1px solid var(--kb-ink);border-radius:10px;background:var(--kb-ink);color:#fff!important;font-size:14px;font-weight:800;text-decoration:none}.kb-button--ghost{background:#fff;color:var(--kb-ink)!important;border-color:var(--kb-line)}.kb-button:focus-visible,.kb-link:focus-visible,.kb-faq summary:focus-visible{outline:3px solid var(--kb-red);outline-offset:4px}.kb-visual{margin:0}.kb-visual__frame{overflow:hidden;border:1px solid var(--kb-line);border-radius:24px;background:#f5f7f9;box-shadow:0 22px 60px rgba(17,29,49,.1)}.kb-visual img{display:block;width:100%;height:auto}.kb-visual__mobile{display:none!important}.kb-visual figcaption{display:flex;justify-content:space-between;gap:20px;padding:14px 4px 0;color:var(--kb-muted);font-size:12px;line-height:1.5}.kb-visual figcaption strong{color:var(--kb-ink)}
.kb-context{border-bottom:1px solid var(--kb-line)}.kb-context__grid{display:grid;grid-template-columns:1.15fr 1fr 1fr .78fr}.kb-context__cell{min-width:0;padding:44px 28px;border-left:1px solid var(--kb-line)}.kb-context__cell:first-child{padding-left:0;border-left:0}.kb-context h2{margin:0;font-size:clamp(34px,3.1vw,50px);line-height:1.02;letter-spacing:-.045em}.kb-context h3{margin:0 0 10px;font-size:16px;line-height:1.3}.kb-context p:not(.kb-kicker){margin:0;color:var(--kb-muted);font-size:14px;line-height:1.6}.kb-link{display:block;margin:0 0 18px;font-size:13px;font-weight:800;text-decoration:none}.kb-link:hover{text-decoration:underline}
.kb-contract{padding:72px 0;background:#f7f9fa;border-bottom:1px solid var(--kb-line);scroll-margin-top:96px}.kb-contract__head{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.65fr);gap:60px;align-items:end;margin-bottom:34px}.kb-contract h2,.kb-tradeoff h2,.kb-mvp h2,.kb-faq h2{margin:0;font-size:clamp(34px,4.1vw,58px);line-height:1.02;letter-spacing:-.045em}.kb-contract__head>p,.kb-mvp__intro>p{margin:0;color:var(--kb-muted);font-size:16px;line-height:1.7}.kb-ledger{border:1px solid var(--kb-line);border-radius:18px;overflow:hidden;background:#fff}.kb-ledger__row{display:grid;grid-template-columns:64px 180px 1fr 230px;gap:20px;align-items:center;min-height:96px;padding:18px 24px;border-top:1px solid var(--kb-line)}.kb-ledger__row:first-child{border-top:0}.kb-ledger__number{color:var(--kb-red);font-size:13px;font-weight:900}.kb-ledger__label{font-size:18px;font-weight:800}.kb-ledger__desc{color:var(--kb-muted);font-size:14px;line-height:1.55}.kb-ledger__result{padding-left:20px;border-left:2px solid #ffb5bd;font-size:13px;font-weight:800;line-height:1.5}
.kb-tradeoff{padding:72px 0;border-bottom:1px solid var(--kb-line)}.kb-tradeoff__grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.kb-tradeoff__list{border-top:1px solid var(--kb-line)}.kb-tradeoff__item{display:grid;grid-template-columns:170px 1fr;gap:28px;padding:24px 0;border-bottom:1px solid var(--kb-line)}.kb-tradeoff__item strong{font-size:16px}.kb-tradeoff__item span{color:var(--kb-muted);font-size:14px;line-height:1.6}.kb-mvp{padding:72px 0;background:#f7f9fa;border-bottom:1px solid var(--kb-line)}.kb-mvp__grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:76px}.kb-mvp__intro>p{margin-top:20px}.kb-mvp__intro .kb-button{margin-top:26px}.kb-mvp__matrix{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--kb-line);border-radius:18px;overflow:hidden;background:#fff}.kb-mvp__item{min-height:180px;padding:28px;border-left:1px solid var(--kb-line);border-top:1px solid var(--kb-line)}.kb-mvp__item:nth-child(odd){border-left:0}.kb-mvp__item:nth-child(-n+2){border-top:0}.kb-mvp__item>span{display:block;margin-bottom:30px;color:var(--kb-red);font-size:12px;font-weight:900}.kb-mvp__item h3{margin:0 0 8px;font-size:17px}.kb-mvp__item p{margin:0;color:var(--kb-muted);font-size:13px;line-height:1.55}.kb-faq{padding:72px 0;border-bottom:1px solid var(--kb-line)}.kb-faq__grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:76px}.kb-faq__list{border-top:1px solid var(--kb-line)}.kb-faq details{border-bottom:1px solid var(--kb-line)}.kb-faq summary{display:flex;min-height:70px;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-size:15px;font-weight:800;list-style:none}.kb-faq summary::-webkit-details-marker{display:none}.kb-faq summary:after{content:"+";color:var(--kb-red);font-size:26px;font-weight:400}.kb-faq details[open] summary:after{content:"–"}.kb-faq details p{max-width:720px;margin:0;padding:0 50px 24px 0;color:var(--kb-muted);font-size:14px;line-height:1.7}.kb-sourcebar{padding:28px 0;background:#f7f9fa}.kb-sourcebar__grid{display:flex;align-items:center;justify-content:space-between;gap:32px}.kb-sourcebar p{max-width:660px;margin:0;color:var(--kb-muted);font-size:12px;line-height:1.6}.kb-sourcebar__links{display:flex;flex-wrap:wrap;gap:20px}.kb-sourcebar .kb-link{margin:0}
@media(max-width:1023px){.kb-shell{width:min(100% - 32px,760px)}.kb-hero{padding:104px 0 42px}.kb-hero__grid{grid-template-columns:1fr;gap:34px}.kb-hero h1{font-size:clamp(44px,7.5vw,66px)}.kb-visual{max-width:760px}.kb-context__grid{grid-template-columns:1fr 1fr}.kb-context__cell:nth-child(3){border-left:0}.kb-context__cell{padding:34px 24px}.kb-contract__head,.kb-tradeoff__grid,.kb-mvp__grid,.kb-faq__grid{grid-template-columns:1fr;gap:34px}.kb-ledger__row{grid-template-columns:52px 150px 1fr}.kb-ledger__result{grid-column:3;padding:0;border:0}.kb-sourcebar__grid{align-items:flex-start;flex-direction:column}}
@media(max-width:639px){.kb-shell{width:calc(100% - 28px)}.kb-hero{padding:92px 0 34px}.kb-kicker{margin-bottom:12px;font-size:10px}.kb-hero h1{font-size:43px;line-height:1.01}.kb-lead{margin-top:20px;font-size:16px;line-height:1.58}.kb-actions{display:grid;grid-template-columns:1fr;margin-top:24px}.kb-button{width:100%}.kb-visual__desktop{display:none!important}.kb-visual__mobile{display:block!important}.kb-visual__frame{border-radius:20px}.kb-visual figcaption{display:grid;gap:4px;padding-inline:2px}.kb-context__grid{grid-template-columns:1fr}.kb-context__cell,.kb-context__cell:first-child{padding:28px 0;border-left:0;border-top:1px solid var(--kb-line)}.kb-context__cell:first-child{border-top:0}.kb-context h2{font-size:38px}.kb-contract,.kb-tradeoff,.kb-mvp,.kb-faq{padding:54px 0}.kb-contract h2,.kb-tradeoff h2,.kb-mvp h2,.kb-faq h2{font-size:38px}.kb-contract__head{gap:20px;margin-bottom:24px}.kb-ledger__row{grid-template-columns:42px 1fr;gap:8px 14px;padding:20px 16px}.kb-ledger__desc,.kb-ledger__result{grid-column:2}.kb-ledger__result{padding-top:5px;color:#b12c3d}.kb-tradeoff__item{grid-template-columns:1fr;gap:8px;padding:20px 0}.kb-mvp__matrix{grid-template-columns:1fr}.kb-mvp__item,.kb-mvp__item:nth-child(odd){min-height:0;border-left:0;border-top:1px solid var(--kb-line)}.kb-mvp__item:first-child{border-top:0}.kb-mvp__item>span{margin-bottom:18px}.kb-faq summary{min-height:74px}.kb-sourcebar{padding:24px 0}.kb-sourcebar__links{gap:16px}}
@media(prefers-reduced-motion:reduce){.kb-main *{scroll-behavior:auto!important}}