.engineer-page{max-width:1280px;color:var(--ink,#142b43);margin:auto;padding:2rem clamp(1rem,4vw,4rem)}.engineer-deck{background:linear-gradient(120deg,#fff,#edf5fb);border:1px solid #cad8e4;border-radius:18px;overflow:hidden}.engineer-slide{min-height:540px;padding:clamp(1.5rem,4vw,3.5rem)}.engineer-slide h1{color:#102d49;max-width:950px;margin:1rem 0 1.5rem;font-size:clamp(2rem,3.8vw,3.5rem);line-height:1.15}.engineer-slide h2{color:#102d49;margin:0 0 1rem;font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.5}.engineer-slide p,.partner-policy p{max-width:960px;font-size:1.1rem;line-height:1.8}.engineer-split{grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.5rem;display:grid}.engineer-split article{background:#fff;border:1px solid #c5d4e0;border-radius:12px;padding:1.25rem}.engineer-split span{color:#69501f;margin-bottom:.5rem;font-size:.9rem;font-weight:700;display:block}.engineer-split strong{color:#102d49;font-size:1.15rem;line-height:1.7}.engineer-split p{margin:.4rem 0 0}.engineer-flow{counter-reset:flow;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.5rem 0;padding:0;list-style:none;display:grid}.engineer-flow li{counter-increment:flow;background:#fff;border-top:3px solid #b88c39;padding:1rem;font-size:1.2rem;font-weight:700}.engineer-flow li:before{content:"0" counter(flow);color:#69501f;margin-bottom:.5rem;font-size:.9rem;display:block}.engineer-controls{border-top:1px solid #cad8e4;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.engineer-controls div{gap:.5rem;display:flex}.engineer-controls button{color:#102d49;cursor:pointer;background:#fff;border:1px solid #b9cbd8;border-radius:8px;min-width:44px;min-height:44px;padding:.5rem .8rem;font-size:1rem}.engineer-controls button.active{color:#fff;background:#102d49}.engineer-controls button:disabled{opacity:.4;cursor:default}.engineer-actions{flex-wrap:wrap;align-items:center;gap:1.5rem;margin:1.5rem 0;display:flex}.partner-principles{border-top:1px solid #cad8e4;margin-top:1.5rem}.partner-principles details{border-bottom:1px solid #cad8e4;padding:1.1rem 0}.partner-principles summary{cursor:pointer;font-size:1.2rem;font-weight:700;line-height:1.6}.partner-principles summary span{color:#69501f;margin-right:1rem;font-size:1rem}.partner-principles p{margin:1rem 0 0;font-size:1rem;line-height:1.9}.partner-boundary{color:#435d72;font-size:.95rem;line-height:1.8}.engineer-detail summary{cursor:pointer;font-size:1rem;font-weight:700;line-height:1.6}.engineer-powered{color:#69501f;font-weight:700}.partner-policy h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.4}.engineer-page :focus-visible{outline-offset:4px;outline:3px solid #967022}@media (width<=700px){.engineer-slide{min-height:0}.engineer-split,.engineer-flow{grid-template-columns:1fr}.engineer-actions{gap:1rem}.engineer-controls{padding:.8rem}.engineer-slide h1{font-size:2rem}.engineer-page{padding:1rem}.engineer-slide p{font-size:1rem}}.engineer-invitation{color:#435d72}.engineer-policy-fold{border-top:1px solid #cad8e4;margin-top:1.3rem;padding:1rem 0}.engineer-policy-fold>summary{cursor:pointer;font-size:1.05rem;font-weight:700;line-height:1.7}.engineer-page .eyebrow{color:#69501f;font-size:.9rem}.engineer-slide>.engineer-actions{margin-bottom:0}