.engine-hero{padding:42px 0 64px}.engine-hero h1{font-size:clamp(43px,5.6vw,80px);margin:25px 0 28px;line-height:1.04}.engine-hero>p:last-child{font-size:18px;line-height:1.7;color:var(--muted);max-width:580px}
.engine-section{padding:18px 0 60px}.engine-heading{display:flex;justify-content:space-between;gap:36px;align-items:end;margin-bottom:46px}.engine-heading h2{font-size:clamp(28px,3.3vw,44px);max-width:650px}.engine-heading>p{font-size:12px;color:var(--muted);max-width:170px}
.engine-map{position:relative;isolation:isolate;display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:72px;align-items:center;padding:24px 0;background:none;border:0}
.engine-wires{position:absolute;inset:0;width:100%;height:100%;z-index:-1;overflow:visible;color:var(--rust);pointer-events:none}.engine-wire-paths{stroke:currentColor;stroke-width:1.1;fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:.65}.engine-wire-paths circle{fill:var(--rust);stroke:var(--paper);stroke-width:1}
.engine-inputs,.engine-process,.engine-outputs{position:relative;min-width:0}.engine-stage-label{font-family:Inter,Arial,sans-serif;font-size:11px;font-weight:400;letter-spacing:0;line-height:1.5;color:var(--muted);margin-bottom:20px}.engine-stage-label>span{display:none}.engine-process>.engine-stage-label{text-align:center}
.signal-list{display:grid;gap:10px}.engine-signal{border:0;background:var(--paper);border-radius:14px}.engine-signal :is(summary,.engine-signal-trigger){display:grid;grid-template-columns:34px 1fr 15px;gap:13px;align-items:center;min-height:72px;padding:10px 8px 10px 0;list-style:none;cursor:pointer;font-size:15px;line-height:1.35;font-weight:600;letter-spacing:-.03em}.engine-signal :is(summary,.engine-signal-trigger)::-webkit-details-marker{display:none}.engine-symbol{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;font-size:18px;font-weight:400;letter-spacing:0;color:var(--rust);background:#e8834a16}.engine-signal small{display:block;margin-top:5px;font-size:11px;line-height:1.5;color:var(--muted);font-weight:400;letter-spacing:0}.engine-plus{font-size:16px;color:var(--rust);font-weight:400;transition:transform .2s}.engine-signal[open] .engine-plus{transform:rotate(45deg)}.engine-signal[open]{background:#19161205}.engine-signal[open] summary{padding-left:10px}.engine-signal>p{padding:0 14px 18px 48px;font-size:12px;color:var(--muted);line-height:1.8}
.engine-core{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;width:min(100%,360px);aspect-ratio:1;margin-inline:auto;padding:40px 34px;border:0;border-radius:50%;color:var(--paper);background:radial-gradient(circle at 35% 25%,#383026,#191612 72%);text-align:center;box-shadow:none}
.engine-core::before,.engine-core::after{content:'';position:absolute;border-radius:50%;pointer-events:none;inset:-12px;border:1px solid #e8834a35}.engine-core::after{inset:-24px;border-color:#19161212}
.engine-core-brand img{width:175px;height:auto;margin-inline:auto}.engine-core-brand>span{display:block;margin-top:16px;color:var(--orange);font-size:12px;letter-spacing:.01em}
.engine-core-flow{display:grid;gap:10px;margin:25px 0 22px;font-size:15px;line-height:1.3;color:#f4efe4cf}.engine-core-flow span+span::before{content:'·';display:block;color:var(--orange);line-height:.5;margin-bottom:10px}.engine-core-note{font-size:11px;line-height:1.5;color:#f4efe48a}
.engine-output-list{display:grid;gap:30px}.engine-output{position:relative;padding:0 0 0 15px;background:var(--paper);border:0}.output-tag{display:inline-block;margin-bottom:10px;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--rust)}.engine-output h4,.engine-approval h4{font-size:22px;line-height:1.2;letter-spacing:-.045em;margin:0 0 10px;font-weight:600}.engine-output p,.engine-approval p{font-size:13px;line-height:1.7;color:var(--muted)}
.engine-approval{margin-top:28px;padding:24px 0 0 15px;border-top:1px solid var(--line);background:var(--paper)}

.engine-method{max-width:850px;margin-top:45px}.engine-method summary{display:flex;justify-content:space-between;align-items:center;gap:20px;list-style:none;min-height:48px;font-size:14px;cursor:pointer}.engine-method summary::-webkit-details-marker{display:none}.engine-method summary>span{color:var(--rust);font-size:20px;transition:transform .2s}.engine-method[open] summary>span{transform:rotate(45deg)}
.engine-checks{list-style:none;margin:22px 0 30px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.engine-checks li{display:flex;gap:12px}.check-number{display:grid;place-items:center;flex:0 0 23px;height:23px;border:1px solid var(--line);border-radius:50%;font-size:10px;color:var(--rust)}.engine-checks h4{font-size:15px;line-height:1.4;margin:0 0 10px;font-weight:600}.engine-checks p{font-size:13px;line-height:1.8;color:var(--muted)}
.engine-context{font-size:13px;line-height:1.8;color:var(--muted);max-width:800px;margin-top:20px}.engine-proof{display:flex;gap:28px;justify-content:space-between;align-items:center;padding:28px 0 58px}.engine-proof p{font-size:15px;color:var(--muted)}.engine-proof .text-link{margin:0;font-size:14px}
.engine-inputs::after,.engine-process::after{content:'→';position:absolute;right:-48px;top:50%;font-size:22px;color:var(--rust)}.has-wires .engine-inputs::after,.has-wires .engine-process::after{display:none}
@media(max-width:1100px){.engine-map{grid-template-columns:1fr;gap:75px;max-width:620px;margin-inline:auto;padding:10px 20px}.engine-inputs{margin-right:35px}.engine-core{width:min(100%,340px)}.engine-process>.engine-stage-label{margin-bottom:42px}.engine-output-list{gap:32px}.engine-outputs{width:100%}.engine-output{padding-left:10px}.engine-approval{margin-top:32px;padding-left:10px}.engine-inputs::after,.engine-process::after{content:'↓';left:calc(50% - 8px);right:auto;top:auto;bottom:-53px}.engine-method{margin-top:35px}}
@media(max-width:650px){.engine-hero{padding:26px 0 42px}.engine-hero h1{font-size:clamp(37px,9vw,56px);margin:22px 0}.engine-hero>p:last-child{font-size:15px}.engine-heading{display:block;margin-bottom:30px}.engine-heading h2{font-size:32px;max-width:380px}.engine-heading>p{margin-top:16px;max-width:none;font-size:12px}.engine-map{padding:10px 12px;gap:78px}.engine-inputs{margin-right:26px}.engine-signal :is(summary,.engine-signal-trigger){grid-template-columns:28px 1fr 14px;gap:10px;font-size:14px;min-height:74px}.engine-symbol{width:28px;height:28px;font-size:17px}.engine-signal small{font-size:10px}.engine-signal>p{padding-left:14px}.engine-core{padding:36px 25px}.engine-core::before{inset:-10px}.engine-core::after{inset:-20px}.engine-core-brand img{width:150px}.engine-core-flow{font-size:14px;gap:8px;margin:22px 0 18px}.engine-core-flow span+span::before{margin-bottom:8px}.engine-core-brand>span{font-size:11px;margin-top:12px}.engine-core-note{font-size:10px}.engine-stage-label{font-size:10px}.engine-output h4,.engine-approval h4{font-size:22px}.engine-output p{font-size:13px}.engine-context{font-size:12px;margin-top:14px}.engine-section{padding-bottom:28px}.engine-checks{grid-template-columns:1fr;gap:22px}.engine-method summary{font-size:13px}.engine-proof{display:block;padding:15px 0 45px}.engine-proof .text-link{display:inline-flex;margin-top:15px}.engine-proof p{font-size:13px}.engine-hero .eyebrow{font-size:9px}}
/* The studio's powder-dot Trajectory mark becomes the decision engine. */
.engine-particles{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:-1}
.has-particles .engine-wires{opacity:0}
.engine-core{background:none;color:var(--ink);padding:0;border-radius:0}
.engine-core::before,.engine-core::after{display:none}
.engine-core-brand{position:relative;transform:translateY(-10px);display:flex;flex-direction:column;align-items:center;justify-content:center;width:210px;min-height:95px;background:radial-gradient(ellipse,var(--paper) 45%,#f4efe4dd 65%,#f4efe400 75%)}
.engine-core-brand img{width:145px}
.engine-core-brand>span{margin-top:12px;font-size:11px;color:var(--rust)}
.engine-process>.engine-stage-label{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;margin:0}
.engine-core-flow{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 13px;margin:0 auto 12px;max-width:330px;font-size:12px;line-height:1.7;color:var(--muted);text-align:center}
.engine-core-flow span+span::before{display:none}
.engine-core-note{text-align:center;color:var(--muted);font-size:10px}
.engine-symbol{background:none;color:var(--rust)}
@media(max-width:650px){.engine-core-brand{width:180px;min-height:85px}.engine-core-brand img{width:130px}.engine-core-flow{font-size:11px;margin-top:0}.engine-core-note{font-size:10px}.engine-process>.engine-stage-label{margin:0}}

/* The orbital mark opens the explanation without adding another caption. */
.engine-core{cursor:pointer;text-decoration:none;border-radius:50%;-webkit-tap-highlight-color:transparent}
.engine-core:focus-visible{outline:2px solid var(--rust);outline-offset:8px}
.engine-core-brand img{transition:transform .2s}
.engine-core:hover .engine-core-brand img{transform:scale(1.04)}
.engine-method[hidden]{display:none}
.engine-explanation{width:min(850px,calc(100% - 32px));max-height:calc(100dvh - 48px);padding:36px;border:0;border-radius:24px;background:var(--paper);color:var(--ink);margin:auto;box-shadow:0 24px 80px #19161226}
.engine-explanation::backdrop{background:#19161280;backdrop-filter:blur(5px)}
.engine-explanation-heading{display:flex;align-items:start;justify-content:space-between;gap:20px}
.engine-explanation-heading h2{font-size:28px;line-height:1.2;letter-spacing:-.04em;margin:6px 0 0;max-width:540px}
.engine-close{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:50%;background:none;color:var(--ink);font:26px/1 Arial,sans-serif;cursor:pointer}
.engine-close:hover{background:#19161209}
.engine-close:focus-visible{outline:2px solid var(--rust);outline-offset:3px}
.engine-explanation .engine-checks{margin:32px 0 0}
@media(max-width:650px){.engine-explanation{padding:24px}.engine-explanation-heading h2{font-size:24px}.engine-explanation .engine-checks{gap:24px}}
@media(prefers-reduced-motion:reduce){.engine-core-brand img{transition:none}}

/* Signal explanations share the engine dialog, keeping the diagram in place. */
html{scrollbar-gutter:stable}
html.engine-dialog-open{overflow:hidden}
.engine-signal-trigger{width:100%;border:0;background:none;color:inherit;text-align:left;font-family:inherit}
.engine-signal-trigger:hover{background:#19161205;border-radius:14px}
.engine-signal-dialog{width:min(620px,calc(100% - 32px))}
.engine-signal-explanation{margin-top:26px;color:var(--muted);font-size:15px;line-height:1.8}