/* Two sides of a bill become one evidence-backed comparison. Native scroll only. */
.equation-section{border-top:1px solid var(--rule-2);--story-inset:16px;--story-clearance:32px;scroll-margin-top:16px}
.equation-sticky,.equation-still{display:flex;flex-direction:column;min-height:calc(100svh - var(--story-clearance));padding-block:32px 24px;margin-block:0}
.equation-top{display:flex;justify-content:space-between;align-items:center;gap:8px;flex:none}
.equation-top .chapter-label{margin:0}
.scene-count,.equation-illustrative{color:var(--muted);font:11px var(--mono);white-space:nowrap}
.equation-section h2{font-size:clamp(34px,4.3vw,64px);margin-top:20px;max-width:25ch;min-height:1.1em;flex:none}
.equation-visual{position:relative;min-height:330px;flex:1;display:grid;place-items:center;margin-block:8px}
.equation-object{width:min(100%,1000px);height:100%;display:grid;place-items:center}
.strip-drawing{display:block;width:100%;height:auto;max-height:100%;overflow:visible}
.strip-mobile{display:none}
.owed-strip{transform:translate(calc(var(--origin-x) + var(--align)*var(--shift-x)),var(--origin-y))}
.difference-slice{transform:translate(calc(var(--slice-x) + var(--separate)*var(--split-x)),calc(var(--separate)*var(--split-y)))}
.strip-top.paper{fill:var(--paper)}
.strip-front.paper{fill:#c9c6bf}
.strip-edge.paper{fill:#9a9c9e}
.strip-top.soft{fill:#c3c2bc}
.strip-front.soft{fill:#898b8c}
.strip-edge.soft{fill:#62676c}
.strip-top.coral{fill:var(--coral)}
.strip-front.coral{fill:#b53821}
.strip-edge.coral{fill:#8b2c1c}
.strip-label{font-family:var(--sans);fill:var(--soft);font-weight:450;letter-spacing:-.02em}
.strip-value{font-family:var(--mono);fill:var(--muted);font-weight:400;letter-spacing:-.04em}
.difference-outline{opacity:calc(var(--separate)*.55);fill:none;stroke:var(--muted);stroke-width:1.2;stroke-dasharray:4 7}
.difference-callout{opacity:var(--separate)}
.difference-value{font-family:var(--sans);fill:var(--coral);font-weight:500;letter-spacing:-.035em}
.difference-note{font-family:var(--mono);fill:var(--muted)}
.evidence-links{opacity:var(--evidence);fill:none;stroke:#62676c;stroke-width:1.2}
.evidence-links text{font-family:var(--mono);fill:var(--soft);stroke:none;letter-spacing:-.04em}
.evidence-links circle{fill:var(--paper);stroke:none}
.evidence-links .evidence-origin{fill:var(--coral)}
.equation-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px;flex:none}
.equation-bottom>p{color:var(--soft);font-size:15px;line-height:1.5;max-width:58ch;min-height:44px}
.equation-controls{display:flex;flex:none}
.equation-controls button{width:44px;height:44px;display:grid;place-items:center}
.equation-controls button span{width:5px;height:5px;background:#62676c}
.equation-controls button:hover span{background:var(--muted)}
.equation-controls button[aria-pressed="true"] span{background:var(--paper)}
.story-scroll{height:250svh}
.story-scroll .equation-sticky{position:sticky;top:var(--story-inset);height:calc(100svh - var(--story-clearance));min-height:0}
.story-scroll .equation-visual{min-height:0}
.story-scroll .equation-object{position:absolute;inset:0;min-height:0;margin:auto}
.story-scroll .strip-drawing{height:100%;min-height:0}
.equation-still{border-bottom:1px solid var(--rule-2)}
.equation-still:last-child{border-bottom:0}
.equation-after{display:flex;justify-content:space-between;align-items:start;gap:30px;padding-block:16px 24px}
.equation-basis{flex:1;max-width:760px;font-size:13px;color:var(--soft)}
.equation-basis summary{min-height:44px;display:flex;align-items:center;gap:24px;cursor:pointer;width:fit-content}
.equation-basis summary span{color:var(--muted)}
.equation-basis>div{padding:10px 0 20px}
.equation-basis ul{padding-left:18px}
.equation-basis li{margin-bottom:8px}
.equation-continue{display:inline-flex;align-items:center;gap:12px;min-height:44px;flex:none;color:var(--muted);font-size:12px}
@media(max-width:800px){
.equation-section{--story-clearance:calc(32px + env(safe-area-inset-bottom))}
.equation-sticky{padding-block:12px 16px}
.equation-section h2{font-size:clamp(28px,5.6vw,42px);margin-top:12px;min-height:2.16em}
.equation-bottom{gap:16px;min-height:54px}
.equation-bottom>p{font-size:13px;min-height:0}
.equation-section .chapter-label{font-size:10px;gap:8px}
.equation-still{padding-block:32px}
}
@media(max-width:600px){
.equation-top{gap:4px}
.equation-top .chapter-label{font-size:9px;gap:6px}
.equation-section h2{max-width:18ch;min-height:2.2em}
.strip-desktop{display:none}
.strip-mobile{display:block}
.equation-visual{min-height:290px}
.equation-bottom{align-items:start}
.equation-illustrative{font-size:9px}
.equation-bottom>p{font-size:12px}
.equation-after{display:block}
.equation-continue{margin-top:6px}
}