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#impact .bar-track{height:125px}#impact .trade{margin:15px 0;padding-top:12px;gap:1px 14px;font-size:.7em}#impact .trade>div{line-height:1.2}#impact .trade strong{font-size:1.8em;font-weight:500}#impact .trade>.source{margin-top:5px}#impact .trade>p{margin-top:6px}#impact .quote{margin-top:25px}.map-node{font-size:clamp(13px,1vw,18px)}
@media(max-width:900px){.map-node{font-size:12px}.map-label{max-width:75px;font-size:9px}.system-map{height:550px}}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

.quote{background:var(--paper);width:fit-content;padding-right:15px}

/* Progressive presentation: idea first, evidence on request. */
.staged:not(.revealed) .module{visibility:hidden;pointer-events:none}
.stage-context[hidden]{display:none}
.stage-reveal{align-self:flex-start;margin-top:20px;font-size:14px}
.opening-context{font-size:16px;color:var(--muted);max-width:30em;margin:0 0 25px}
.staged:not(.revealed) .section-grid{min-height:260px;align-items:center}
.staged:not(.revealed) .module{height:0;overflow:hidden}
.staged .rewind{margin-top:22px}
.staged.revealed .module{animation:stage-in .35s ease-out}
@keyframes stage-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:900px){.staged:not(.revealed) .module{display:none}.staged:not(.revealed) .section-grid{min-height:0}.opening-context{font-size:14px}}
@media(prefers-reduced-motion:reduce){.staged.revealed .module{animation:none}}
/* Presentation experience v2 */
[hidden]{display:none!important}
.cinematic-opening{margin-left:calc(-1 * var(--rail));margin-right:-3.5vw;padding:120px 8vw;min-height:100svh;background:#272825;color:#f4eee5;align-items:center;text-align:center;overflow:hidden}
.opening-content{position:relative;z-index:2;max-width:1000px}.cinematic-opening h2{font-size:clamp(48px,5.5vw,106px);letter-spacing:.035em;line-height:1.03;max-width:none;font-weight:400;margin:25px 0}.opening-subtitle{font-size:clamp(14px,1.3vw,22px);max-width:680px;margin:0 auto;color:#b9b7ad}.cinematic-opening .eyebrow{color:#b9a88e}.opening-tension{margin:55px 0 15px;min-height:75px;font-size:clamp(25px,2.7vw,48px);font-weight:400}.opening-sources .source{color:#b4aa99}.cinematic-opening .primary{color:#eee0c9;border-color:#9b896c;margin-top:32px;font-size:16px}.opening-thread{position:absolute;left:50%;top:0;height:100%;border-left:1px solid #b59b6e;opacity:.14}.opening-thread i{position:absolute;left:-5px;width:9px;height:9px;border:1px solid #dcc293;border-radius:50%;top:15%}.opening-thread i:nth-child(2){top:50%;box-shadow:0 0 0 14px #c3a87b15;animation:opening-pulse 4s ease-in-out infinite}.opening-thread i:nth-child(3){top:84%}.at-opening #rail,.at-opening header,.at-opening .mobile-nav{visibility:hidden}.at-opening .stage-footer{background:#272825;color:#c7bda9}.at-opening .stage-footer button{color:#c7bda9;border-color:#665e51}.at-opening .keyboard-hint{visibility:hidden}
@keyframes opening-pulse{50%{box-shadow:0 0 0 26px #c3a87b05}}
.stage-context{animation:stage-in .4s ease-out}.staged .lead{max-width:30em;font-size:clamp(17px,1.2vw,22px);color:var(--muted)}
#weaponisation:not(.revealed) .weapon-preview{visibility:visible;pointer-events:auto;height:auto;overflow:visible;display:block}#weaponisation:not(.revealed) .activation-framing,#weaponisation:not(.revealed) .control-panel{display:none}#weaponisation .rewind{font-size:clamp(17px,1.3vw,23px);font-weight:500;margin-top:25px}#weaponisation .opening-context{margin:20px 0 0;font-size:14px}#weaponisation .weapon-stats{margin-top:0}#weaponisation .activation-framing{margin:25px 0 20px}#weaponisation .activation-framing p{font-size:14px;margin-top:10px;color:var(--muted)}
#trace-pivot.lit{animation:pivot-pulse 1.5s ease-out 1;transform-box:fill-box;transform-origin:center}@keyframes pivot-pulse{50%{r:11;opacity:.55}}
#need .word-stack{min-height:250px;display:grid;grid-template-columns:1fr 1fr;gap:35px 50px;align-items:center}#need .word-stack>div:nth-child(even){transform:translateY(25px)}#need .principle{margin-top:45px}
# adoption{color:inherit}#adoption.revealed .joining{animation:connect-in 1.3s ease both;animation-delay:calc(var(--i)*.23s)}@keyframes connect-in{from{opacity:0;stroke-dasharray:450;stroke-dashoffset:450;transform:translateY(-8px)}to{opacity:1;stroke-dasharray:450;stroke-dashoffset:0;transform:none}}
#dependence.revealed .accumulating>div{animation:stage-in .5s ease both;animation-delay:calc(var(--i)*.22s)}#dependence .accumulating{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:28px 20px;border:1px solid var(--line);background:#efe9df66}#dependence .accumulating>div{padding:12px 6px;font-size:16px;border-bottom:1px solid #d9d0c4}#dependence.revealed .exit-cost{animation:stage-in .6s 1.4s both;font-size:40px;color:#806c55}
.chokepoint svg{width:100%;height:140px}.chokepoint path{fill:none;stroke:var(--green);stroke-width:1.4}.chokepoint circle{fill:var(--amber);stroke:var(--paper);stroke-width:5}#leverage.revealed .chokepoint path{animation:connect-in 1.2s both}#leverage .module>.stat{display:inline-block;width:48%;vertical-align:top}#leverage .module>.stat>strong{font-size:clamp(40px,4vw,65px)}#leverage .module>p{font-size:15px}
.indexed-impact figcaption{font-size:13px;margin-bottom:20px}.indexed-impact figcaption span{display:block;color:var(--muted);font-size:11px}.index-pair{margin:0 0 20px}.index-pair h3{display:flex;justify-content:space-between;font-size:15px;margin-bottom:8px;gap:15px}.index-pair h3 span{color:#9f7163}.index-row{display:grid;grid-template-columns:40px 1fr 35px;gap:10px;align-items:center;margin:6px 0;font-size:12px}.index-row i{display:block;height:8px;width:var(--value);background:#d9d0c1}.index-row.current i{background:var(--red)}.index-row strong{font-weight:500}.impact-interlude{margin-top:22px;border-top:1px solid var(--line)}.impact-interlude>summary{font-size:17px}.impact-interlude .stat>strong{font-size:45px}.impact-interlude .control-body{position:relative}.interlude-caveat{font-size:14px;font-weight:500}.interlude-quote{font-size:17px;color:#806353}.reciprocal-ripple{height:25px;border-left:1px solid var(--amber);width:1px;margin:0 auto;position:relative}.impact-interlude[open] .reciprocal-ripple:after{content:'';position:absolute;width:45px;height:20px;border:1px solid var(--red);border-radius:50%;left:-22px;animation:ripple 1.2s ease-out both}@keyframes ripple{from{transform:scaleX(.1);opacity:1}to{transform:scaleX(3);opacity:0}}
#adaptation.revealed .route-detour{stroke-dasharray:700;stroke-dashoffset:700;animation:draw-detour 1.6s .2s ease forwards}@keyframes draw-detour{to{stroke-dashoffset:0}}#counter-adaptation.revealed .theory-stack>div{animation:stage-in .4s both;animation-delay:calc(var(--i)*.3s)}#counter-adaptation .theory-stack{font-size:23px}.substitution-distinction{margin-top:25px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.substitution-distinction p{font-size:15px;margin-top:8px}.substitution-distinction svg{grid-column:1/-1;width:100%;height:70px}.substitution-distinction path{stroke:var(--green);fill:none;stroke-width:2}.substitution-distinction circle{fill:var(--green)}#new-need.revealed .requirements>div{animation:stage-in .5s both;animation-delay:calc(var(--i)*.3s)}
.system-section{overflow:hidden}.system-copy h2{font-size:clamp(32px,3vw,58px);letter-spacing:-.025em}.system-map{transition:transform 1.2s ease,opacity .7s ease;transform-origin:50% 25%}.system-section[data-beat="0"] .system-map{transform:scale(1.05) translateY(12%)}.system-section[data-beat="0"] .map-red,.system-section[data-beat="0"] .map-label.responds,.system-section[data-beat="1"] .map-red,.system-section[data-beat="1"] .map-label.responds{opacity:0}.system-section[data-beat="1"] .map-node:not(.active){opacity:.25}.system-section[data-beat="2"] .system-map{transform:scale(.94)}.system-section[data-beat="1"] .map-node.active{animation:pivot-glow 1.5s both}@keyframes pivot-glow{50%{box-shadow:0 0 0 14px #c1aa8322}}#synthesis-play{font-size:12px;padding-left:0}#cycle-return{font-size:18px;color:#806353}.conclusion-curve{position:absolute;right:7%;top:8%;height:85%;width:30%;opacity:.18;z-index:-1}.conclusion-curve path{fill:none;stroke:var(--amber);stroke-width:.4}.conclusion-curve path:nth-child(2){stroke:var(--green)}.conclusion-curve path:nth-child(3){stroke:var(--red)}
@media(max-width:900px){.cinematic-opening{margin-left:0;margin-right:-3.5vw;padding:100px 25px}.opening-tension{margin-top:35px}.staged .lead{font-size:17px}#weaponisation .weapon-stats{margin-top:10px}.weapon-stats .stat>strong{font-size:48px}.system-section[data-beat="0"] .system-map{transform:scale(.95)}.substitution-distinction{grid-template-columns:1fr}.system-section{min-height:100svh}#need .word-stack{gap:15px}#leverage .module>.stat{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.route-detour{stroke-dashoffset:0!important}}

body{overflow-anchor:none}.staged.revealed{padding-top:120px}.system-section[data-beat="0"] .map-spine{clip-path:inset(0 0 56% 0)}.system-section[data-beat="1"] .map-spine{clip-path:inset(0 0 50% 0)}#new-need.revealed .word-stack>div{animation:stage-in .5s both;animation-delay:calc(var(--i)*.45s)}#new-need.revealed .new-cycle{animation:stage-in .7s 1.6s both}.opening-tension p{animation:stage-in .45s both}.impact-interlude[open]{scroll-margin-top:100px}#weaponisation .opening-context{margin-top:14px}.cinematic-opening .opening-content{width:100%}#opening{scroll-margin-top:0}
.opening-sources{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}.opening-sources .source{margin-top:0}#weaponisation .opening-context{line-height:1.5}.system-section[data-beat="0"] .map-green{clip-path:inset(0 0 62% 0)}
#adoption .adoption-visual{height:120px}#adoption .word-stack{gap:14px}#adoption .word-stack>div{font-size:27px}#adoption .principle{margin-top:22px}#adoption .quote{margin-top:25px}#adoption .stage-reveal{margin-top:12px}.staged.revealed .stage-reveal{margin-bottom:15px}