:root{
  --blk-ink:#111c31;
  --blk-muted:#617189;
  --blk-red:#dd3447;
  --blk-red-soft:#fff0f2;
  --blk-blue:#2f628f;
  --blk-line:#d9e2ea;
  --blk-paper:#f6f8fa;
  --blk-shell:min(1180px,calc(100% - 40px));
}

.blk-page{font-family:'Plus Jakarta Sans',sans-serif;color:var(--blk-ink);background:#fff;overflow:clip}
.blk-page *{box-sizing:border-box}
.blk-shell{width:var(--blk-shell);margin-inline:auto}
.blk-kicker{margin:0 0 16px;color:var(--blk-red);font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.blk-page h1,.blk-page h2,.blk-page h3,.blk-page p{margin-top:0}
.blk-page h1,.blk-page h2,.blk-page h3{letter-spacing:-.045em}

.blk-hero{padding:54px 0 48px;border-bottom:1px solid var(--blk-line);background:linear-gradient(118deg,#fff 0%,#fff 55%,#f5f8fa 100%)}
.blk-hero__grid{display:grid;grid-template-columns:minmax(0,.88fr) minmax(520px,1.12fr);gap:48px;align-items:center}
.blk-hero h1{max-width:660px;margin-bottom:20px;font-size:clamp(3rem,5vw,5.25rem);font-weight:800;line-height:.98}
.blk-hero h1 em{color:var(--blk-red);font-style:normal}
.blk-lead{max-width:650px;margin-bottom:26px;color:var(--blk-muted);font-size:1.08rem;line-height:1.7}
.blk-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.blk-actions a{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 20px;border:1px solid var(--blk-ink);border-radius:10px;color:var(--blk-ink);font-size:.88rem;font-weight:800;text-decoration:none;transition:.2s ease}
.blk-actions a:first-child{background:var(--blk-ink);color:#fff}
.blk-actions a:hover{transform:translateY(-2px);border-color:var(--blk-red)}
.blk-actions a:focus-visible,.blk-faq summary:focus-visible{outline:3px solid var(--blk-red);outline-offset:3px;box-shadow:0 0 0 3px #fff}
.blk-boundary{display:grid;grid-template-columns:1fr 1fr;max-width:670px;border-top:1px solid var(--blk-line);border-bottom:1px solid var(--blk-line)}
.blk-boundary div{padding:15px 18px}
.blk-boundary div+div{border-left:1px solid var(--blk-line)}
.blk-boundary b,.blk-boundary span{display:block}
.blk-boundary b{margin-bottom:5px;font-size:.69rem;letter-spacing:.1em;text-transform:uppercase}
.blk-boundary span{color:var(--blk-muted);font-size:.79rem;line-height:1.55}
.blk-signature{margin:0;min-width:0}
.blk-signature picture,.blk-signature img{display:block;width:100%}
.blk-signature img{height:auto;border-radius:24px;filter:drop-shadow(0 22px 24px rgba(17,28,49,.08))}
.blk-signature figcaption{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:14px 8px 0;color:var(--blk-muted);font-size:.68rem;line-height:1.55}
.blk-signature figcaption strong{color:var(--blk-ink)}

.blk-contract{padding:78px 0;background:#fff}
.blk-contract__grid{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:64px;align-items:start}
.blk-contract h2,.blk-evidence h2,.blk-faq h2,.blk-delivery h2{margin-bottom:16px;font-size:clamp(2.15rem,3.4vw,3.6rem);font-weight:800;line-height:1.05}
.blk-contract header>p:last-child,.blk-delivery__head>p,.blk-evidence p,.blk-faq header>p:last-child{color:var(--blk-muted);line-height:1.7}
.blk-contract__rail{border-top:1px solid var(--blk-line)}
.blk-contract__rail article{display:grid;grid-template-columns:68px minmax(0,1fr) minmax(150px,.58fr);gap:22px;padding:24px 0;border-bottom:1px solid var(--blk-line);align-items:start}
.blk-contract__rail article>span{color:var(--blk-red);font-size:.72rem;font-weight:800;letter-spacing:.08em}
.blk-contract__rail h3{margin-bottom:7px;font-size:1.08rem;font-weight:800}
.blk-contract__rail p{margin-bottom:0;color:var(--blk-muted);font-size:.86rem;line-height:1.55}
.blk-contract__rail article>b{padding-left:18px;border-left:2px solid #f2a7af;color:#6b3c44;font-size:.75rem;line-height:1.5}
.blk-tradeoff{display:grid;grid-template-columns:110px 1fr;gap:18px;margin-top:22px;padding:20px 22px;background:var(--blk-red-soft);border-left:4px solid var(--blk-red)}
.blk-tradeoff strong{color:var(--blk-red);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase}
.blk-tradeoff p{margin:0;color:#73454d;font-size:.82rem;line-height:1.55}

.blk-delivery{padding:72px 0;background:var(--blk-paper);border-block:1px solid var(--blk-line)}
.blk-delivery__head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(320px,1.2fr);gap:70px;align-items:end;margin-bottom:32px}
.blk-delivery__head p{margin-bottom:0}
.blk-delivery__list{display:grid;grid-template-columns:repeat(4,1fr);margin:0;padding:0;list-style:none;border-top:1px solid var(--blk-line);border-bottom:1px solid var(--blk-line)}
.blk-delivery__list li{min-height:184px;padding:22px}
.blk-delivery__list li+li{border-left:1px solid var(--blk-line)}
.blk-delivery__list span{display:block;margin-bottom:34px;color:var(--blk-red);font-size:.7rem;font-weight:800}
.blk-delivery__list strong{display:block;margin-bottom:8px;font-size:1rem}
.blk-delivery__list p{margin:0;color:var(--blk-muted);font-size:.8rem;line-height:1.55}

.blk-evidence{padding:70px 0;border-bottom:1px solid var(--blk-line)}
.blk-evidence__grid{display:grid;grid-template-columns:minmax(250px,.75fr) minmax(0,1.25fr);gap:70px}
.blk-evidence__copy{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--blk-line);border-bottom:1px solid var(--blk-line)}
.blk-evidence__copy>div{padding:22px}
.blk-evidence__copy>div+div{border-left:1px solid var(--blk-line)}
.blk-evidence__copy strong{display:block;margin-bottom:8px;font-size:.85rem}
.blk-evidence__copy p{margin:0;font-size:.81rem}
.blk-evidence__copy a{grid-column:1/-1;padding:18px 22px;border-top:1px solid var(--blk-line);color:var(--blk-red);font-size:.82rem;font-weight:800;text-decoration:none}

.blk-faq{padding:72px 0;background:var(--blk-paper)}
.blk-faq__grid{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:64px}
.blk-faq__items{border-top:1px solid var(--blk-line)}
.blk-faq details{border-bottom:1px solid var(--blk-line)}
.blk-faq summary{position:relative;padding:20px 48px 20px 0;cursor:pointer;font-size:.93rem;font-weight:800;list-style:none}
.blk-faq summary::-webkit-details-marker{display:none}
.blk-faq summary::after{content:'+';position:absolute;right:5px;top:12px;color:var(--blk-red);font-size:1.8rem;font-weight:400}
.blk-faq details[open] summary::after{content:'–'}
.blk-faq details p{max-width:760px;padding:0 48px 20px 0;margin:0;color:var(--blk-muted);font-size:.86rem;line-height:1.65}

@media (max-width:1023px){
  .blk-hero__grid{grid-template-columns:1fr;gap:34px}
  .blk-hero__copy{max-width:760px}
  .blk-signature{max-width:760px;margin-inline:auto}
  .blk-contract__grid,.blk-evidence__grid,.blk-faq__grid{grid-template-columns:1fr;gap:34px}
  .blk-delivery__list{grid-template-columns:repeat(2,1fr)}
  .blk-delivery__list li:nth-child(3){border-left:0;border-top:1px solid var(--blk-line)}
  .blk-delivery__list li:nth-child(4){border-top:1px solid var(--blk-line)}
}

@media (max-width:767px){
  :root{--blk-shell:calc(100% - 28px)}
  .blk-hero{padding:54px 0 38px}
  .blk-hero h1{font-size:clamp(2.65rem,13vw,3.7rem);line-height:1.01}
  .blk-lead{font-size:1rem;line-height:1.62}
  .blk-actions{display:grid;grid-template-columns:1fr}
  .blk-actions a{width:100%}
  .blk-boundary{grid-template-columns:1fr}
  .blk-boundary div+div{border-left:0;border-top:1px solid var(--blk-line)}
  .blk-signature figcaption{grid-template-columns:1fr;gap:6px;padding-inline:2px}
  .blk-contract,.blk-delivery,.blk-evidence,.blk-faq{padding:52px 0}
  .blk-contract h2,.blk-evidence h2,.blk-faq h2,.blk-delivery h2{font-size:2.25rem}
  .blk-contract__rail article{grid-template-columns:46px 1fr;gap:14px;padding:20px 0}
  .blk-contract__rail article>b{grid-column:2;padding:10px 0 0;border-left:0;border-top:1px solid #f2a7af}
  .blk-tradeoff{grid-template-columns:1fr}
  .blk-delivery__head{grid-template-columns:1fr;gap:14px}
  .blk-delivery__list{grid-template-columns:1fr}
  .blk-delivery__list li{min-height:0;padding:19px 4px}
  .blk-delivery__list li+li,.blk-delivery__list li:nth-child(3),.blk-delivery__list li:nth-child(4){border-left:0;border-top:1px solid var(--blk-line)}
  .blk-delivery__list span{margin-bottom:10px}
  .blk-evidence__copy{grid-template-columns:1fr}
  .blk-evidence__copy>div+div{border-left:0;border-top:1px solid var(--blk-line)}
}

@media (prefers-reduced-motion:reduce){.blk-page *{scroll-behavior:auto!important;transition:none!important}}