.engine-intro{background:var(--paper)}.engine-demo{padding:100px var(--pad);display:grid;grid-template-columns:.8fr 1.2fr;gap:8%;align-items:center}.engine-story h2{font-size:clamp(43px,5.4vw,85px);margin:25px 0}.engine-story>p{max-width:400px;font-size:15px;line-height:1.65;color:var(--living-muted)}.engine-explanation{margin-top:40px;border-left:3px solid var(--mint);padding-left:20px;min-height:100px}.engine-explanation strong{font:12px var(--font-mono);color:var(--mint)}.engine-explanation p{font-size:14px;line-height:1.5;margin-top:10px;max-width:330px}.engine-front{padding:25px;background:var(--paper);color:var(--ink);border:1px solid var(--mint);box-shadow:8px 10px color-mix(in srgb,var(--mint) 35%,transparent);position:relative;z-index:2}.engine-front>div{display:flex;justify-content:space-between;gap:15px}.engine-front small{font:8px var(--font-mono);opacity:.6}.engine-front h3{font-size:30px;line-height:1.05;letter-spacing:-.04em;margin:22px 0 14px}.engine-front p{font-size:12px;line-height:1.6;max-width:380px}.engine-status{display:table;margin-top:20px;padding:7px 10px;background:var(--yellow);color:var(--ink);font:9px var(--font-mono)}.engine-layers{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:30px 12px;margin-top:20px}.engine-layers svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;stroke:var(--mint);stroke-width:2;fill:none;opacity:.6}.engine-layers>button{background:var(--living-charcoal);border:1px solid var(--living-rule);color:var(--living-light);padding:18px;position:relative;display:flex;align-items:center;gap:12px;transition:background .22s,border-color .22s;text-align:left}.engine-layers>button small{font:8px var(--font-mono);color:var(--living-muted)}.engine-layers>button strong{font:13px var(--font-mono)}.engine-layers>button>span{margin-left:auto;color:var(--mint)}.engine-layers>button.layer-selected{border-color:var(--mint);background:color-mix(in srgb,var(--mint) 15%,var(--living-charcoal))}.engine-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:18px}.engine-actions .underlink{color:var(--living-light)}.engine-disclaimer{display:block;font:8px/1.7 var(--font-mono);color:var(--living-muted);margin-top:20px}.engine-complete{color:var(--mint);font:14px var(--font-marker)}.engine-perspective{display:grid;grid-template-columns:1fr 1fr;gap:6%;align-items:center;padding:100px var(--pad)}.engine-perspective h2{font-size:clamp(42px,5vw,76px);margin:22px 0 28px}.engine-perspective p{font-size:15px;line-height:1.6;margin:15px 0;max-width:570px}.engine-perspective .pill{margin-top:20px}.engine-perspective .film-footnote{font:9px/1.6 var(--font-mono);opacity:.6}@media(max-width:850px){.engine-demo{grid-template-columns:1fr;gap:50px;padding:65px 22px}.engine-story h2{font-size:11vw}.engine-explanation{margin-top:25px;min-height:0}.engine-object{max-width:650px}.engine-perspective{grid-template-columns:1fr;padding:65px 22px;gap:40px}.engine-perspective h2{font-size:11vw}.engine-layers{gap:18px 14px;padding-inline:0}.engine-layers>button{padding:15px 12px}.engine-front>div{flex-wrap:wrap}.engine-front h3{font-size:27px}}