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@media(max-width:800px){.shell{width:min(100% - 38px,620px)}.section{padding-block:75px}.head-inner{height:70px;padding:0 19px}.nav,.head-cta{display:none}.menu-btn{display:block;margin-left:auto}#mobile-nav{display:flex;flex-direction:column;background:white;padding:10px 22px 20px;border-top:1px solid var(--line);gap:0}#mobile-nav[hidden]{display:none}#mobile-nav a{padding:10px 0;border-bottom:1px solid var(--line);font-weight:700;font-size:.9rem}.hero{grid-template-columns:1fr;padding-top:70px;padding-bottom:75px}.hero h1{font-size:clamp(3.2rem,9vw,5.2rem)}.hero .lead{font-size:1.05rem}.hero-graphic{max-width:600px;margin-top:42px;transform:none}.proof-inner{flex-wrap:wrap;gap:10px;padding-block:23px}.proof-inner strong{max-width:none;width:100%}.proof-inner p{flex-basis:100%;font-size:.85rem}.finding-grid,.lens-layout,.systems-layout,.capital-dashboard,.roadmap-grid{grid-template-columns:1fr}.finding-card{min-height:330px}.side-intro{flex-direction:column;gap:10px;align-items:start}.side-intro>p{max-width:620px}.lens-panel{min-height:490px}.steps-grid,.strategic-layout{grid-template-columns:repeat(2,1fr)}.timeline{display:grid;grid-template-columns:1fr 1fr}.evidence-bottom{grid-template-columns:1fr}.capital-lesson{grid-template-columns:1fr;gap:10px}.factor-card{grid-template-columns:1fr}.factor-count{grid-column:auto}.footer-inner{flex-direction:column}.system-detail{padding:30px}.lens-tab{min-height:75px}}
@media(max-width:520px){.shell{width:calc(100% - 34px)}h2{font-size:2.5rem}.eyebrow{flex-wrap:wrap;font-size:.63rem}.hero h1{font-size:clamp(2.9rem,10.2vw,3.8rem)}.hero h1 em{white-space:normal}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.hero-foot{gap:10px 18px}.graphic-header,.graphic-footer{padding:16px}.network-frame{padding:5px}.finding-number{font-size:4.2rem}.lens-panel{padding:26px;min-height:500px}.lens-panel h3{font-size:2.15rem}.system-tensions,.steps-grid,.strategic-layout,.factor-controls{grid-template-columns:1fr}.system-stat{flex-wrap:wrap}.system-choices button{padding:14px}.chart-panel{padding:22px 18px}.timeline button{padding:11px 14px}.chart-controls{flex-direction:column}.bar-row{grid-template-columns:100px 1fr 75px;gap:8px}.bar-label{font-size:.72rem}.bar-value{font-size:.74rem}.bar-track{height:24px}.chart-canvas{padding-top:25px}.bar-uncertainty{font-size:.55rem}.chart-foot{flex-direction:column;align-items:start;gap:10px}.capital-left,.capital-right{padding:23px}.capital-metrics strong{font-size:2rem}.capital-chart-title{display:block}.capital-lesson{padding:22px}.hypo summary{padding:20px 15px;gap:7px;flex-wrap:wrap}.hypo-id{width:33px}.hypo summary strong{font-size:.85rem;flex-basis:calc(100% - 90px)}.hypo-status{margin-left:35px}.hypo-body{padding:0 23px 20px 49px}.resource-list a{padding:15px;grid-template-columns:25px 1fr auto}.resource-list strong{font-size:.78rem}.resource-list small{font-size:.68rem}.proof-inner a{font-size:.75rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Five-step experimental journey: the new editorial markup has its own five-column rhythm. */
.step-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}.step{background:white;border:1px solid #dce7f5;border-radius:17px;padding:26px 20px;box-shadow:0 6px 22px rgba(22,50,94,.035)}.step>span{display:block;color:#6b88b5;font-size:.75rem;font-weight:850;letter-spacing:.08em}.step-art{font-family:Georgia,serif;font-size:2.4rem;color:#2d68de;line-height:1.1;margin:21px 0 17px}.step h3{font-size:1.07rem;letter-spacing:-.035em;margin-bottom:11px}.step p{font-size:.82rem;margin:0}.metric-explain{display:grid;grid-template-columns:1.15fr 1fr;gap:27px;align-items:center;background:#e1edfd;border:1px solid #cee2fc;border-radius:20px;padding:30px 37px;margin-top:22px}.metric-explain>div>span{font-size:.7rem;font-weight:850;color:#557eb7;letter-spacing:.095em}.metric-explain h3{font-size:1.7rem;margin:9px 0 10px}.metric-explain p{font-size:.86rem;margin:0}.metric-formula{background:white;border:1px solid #d5e3f5;border-radius:13px;padding:23px 26px;display:flex;flex-direction:column;gap:10px}.metric-formula strong{font-size:1.29rem;letter-spacing:-.05em;white-space:normal}.metric-formula small{font-size:.75rem;color:#69809e}.strategic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.strategic-grid article{border:1px solid #dfe8f3;border-radius:20px;padding:27px;background:white}.strategic-grid h3{font-size:1.35rem;margin:14px 0}.strategic-grid p{font-size:.87rem}.strategic-grid small{font-size:.74rem;color:#8293a9}
@media(max-width:1000px){.step-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:800px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.strategic-grid{grid-template-columns:1fr}.metric-explain{grid-template-columns:1fr}}
@media(max-width:520px){.step-grid{grid-template-columns:1fr}.step{padding:22px}.step-art{margin:9px 0}.metric-explain{padding:23px}}