/* One miniature world, from the playable cover to the last page. */
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.world-cover .drive-playground{border:0;background:linear-gradient(145deg,#c3e7ff11,#2469bc22);min-height:630px;align-self:center;border-radius:30px;overflow:visible}.world-cover .drive-playground:before{display:none}.world-cover .drive-heading{top:20px;left:26px;right:26px;font-size:13px}.surface-switch{position:absolute;top:59px;left:26px;right:26px;z-index:4;display:flex;width:max-content;max-width:calc(100% - 52px);gap:3px;background:#07386c3d;border:1px solid #ffffff35;border-radius:40px;padding:4px;backdrop-filter:blur(12px)}.surface-switch button{min-height:44px;padding:8px 16px;background:none;border:0;border-radius:30px;color:#e3f2ff;font-size:12px;font-weight:750;cursor:pointer;white-space:nowrap}.surface-switch button span{font-size:9px;margin-right:6px;opacity:.65}.surface-switch button[aria-pressed=true]{color:#164168;background:#f5fbff;box-shadow:0 2px 12px #154d6320}.surface-switch button:hover{background:#d9f2ff40}.surface-switch button[aria-pressed=true]:hover{background:#fff}.world-cover #drive-canvas{top:100px;height:405px}.world-cover .drive-sticker{top:145px;right:0;font-size:10px;padding:10px 15px;transform:rotate(8deg);z-index:2;background:#fff9d8}.world-cover .drive-sticker strong{font-size:20px}.world-cover .drive-caption{left:26px;right:26px;bottom:18px}.world-cover .drive-caption p{font-size:13px;min-height:24px;margin-bottom:12px}.world-cover .drive-actions button{font-size:12px;min-height:40px;background:#0a4d873d;border-color:#ffffff7a;color:white}.world-cover .drive-caption small{font-size:10px;line-height:1.7;opacity:.85}.cover-bottom{position:absolute;bottom:20px;left:5vw;right:5vw;display:flex;justify-content:space-between;font:700 10px Arial;letter-spacing:.14em;color:#e7f6ff}.cover-bottom span:last-child{font-family:inherit;letter-spacing:.04em}
.idea-dialog{width:min(670px,calc(100% - 36px));max-height:85svh;padding:0;border:0;border-radius:6px;background:#fffdf1;color:#14354a;box-shadow:16px 16px 0 #15376540;overflow:auto}.idea-dialog::backdrop{background:#07314dcc;backdrop-filter:blur(10px)}.idea-close{position:absolute;right:20px;top:14px;border:0;background:transparent;font-size:32px;color:#163c5b;cursor:pointer;width:44px;height:44px;z-index:2}.idea-dialog-inner{padding:55px 48px 85px;position:relative;overflow:hidden}.idea-dialog .eyebrow{color:#1465df;font-size:11px;max-width:85%}.idea-dialog h2{font-size:34px;line-height:1.55;max-width:520px;margin:25px 0}.idea-dialog #idea-lead{font-size:19px;line-height:1.85;font-weight:750;border-left:4px solid #ffcf4e;padding-left:18px}.idea-dialog #idea-body p{font-size:15px;line-height:2;margin:20px 0}.idea-dialog #idea-body small{display:block;color:#63727b;font-size:12px;line-height:1.8}.idea-stamp{position:absolute;right:24px;bottom:17px;transform:rotate(-9deg);font:900 17px/.95 Arial;color:#1767eb22;border:2px solid;padding:9px}
.proposal-world{position:relative;isolation:isolate;padding:0 0 12vh}.cinema-backdrop{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:0;transition:opacity .35s;background:#a1d5e8}.cinema-backdrop.is-visible{opacity:1}.cinema-backdrop video{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.film-shade{position:absolute;inset:0;background:linear-gradient(90deg,#d2e8f333,transparent 60%,#12365508)}.world-entry{padding:13vh 5vw 10vh;color:white;text-shadow:0 2px 20px #173d6770}.world-entry p{font-size:clamp(30px,4vw,58px);letter-spacing:-.04em;font-weight:800;margin:0 0 12px}.world-entry>span{font-size:13px}.world-route{position:fixed;right:3vw;bottom:30px;color:#17405b;z-index:5;background:#f2faffec;backdrop-filter:blur(14px);padding:14px 19px;border:1px solid #ffffffb0;border-radius:12px;box-shadow:0 4px 25px #153b491a;opacity:0;pointer-events:none;transition:opacity .3s}.world-route.is-visible{opacity:1;pointer-events:auto}.route-mini-label{font:700 9px Arial;letter-spacing:.13em;display:block;opacity:.55}.route-stops{display:flex;align-items:center;gap:9px;margin:8px 0;font:700 10px Arial;color:#617c8c}.route-stops b{color:#afc5d1}.route-stops span.current{color:#0861d4}.route-stops span:last-child{font-size:19px}.world-route button{border:0;background:none;font-size:10px;color:#4b6a7b;padding:5px 0;cursor:pointer}
.proposal-world .document-section{width:70%;max-width:1080px;margin:0 auto 18vh 3vw;padding:48px 35px;grid-template-columns:58px 1fr;gap:23px;border:1px solid #ffffffcc;border-radius:9px;background:#fbfdf7f2;box-shadow:0 10px 60px #18416812;backdrop-filter:blur(12px)}.proposal-world .section-number{width:48px;height:48px;font-size:25px}.proposal-world .section-side{font-size:9px}.proposal-world .section-side>span:not(.section-number){font-size:8px}.proposal-world .section-side::after{margin-left:24px}.proposal-world h2{font-size:clamp(26px,2.3vw,36px)}.proposal-world .section-intro,.proposal-world .body-lead{font-size:15px}.proposal-world .decision-grid{gap:15px}.proposal-world .decision-grid>div{padding:23px}.proposal-world .research-note{gap:22px}.proposal-world .friction-heading{display:block}.proposal-world .friction-heading p{font-size:14px}.proposal-world .flip-note{padding:20px 17px;min-height:260px}.proposal-world .note-front{font-size:24px}.proposal-world .note-back{font-size:18px}.proposal-world .note-back small{font-size:13px}.proposal-world .five-second-band{width:70%;max-width:1080px;margin:0 auto 18vh 3vw;padding:36px;grid-template-columns:90px 1fr 140px;gap:25px;border-radius:9px;background:#ffe266f5}.proposal-world .five-number{font-size:110px}.proposal-world .test-launch{width:136px;height:136px;font-size:13px}.proposal-world .five-second-band h2{font-size:26px}.proposal-world .five-second-band p{font-size:13px}.proposal-world .five-second-band small{font-size:10px}.proposal-world .map-panel{grid-template-columns:minmax(230px,.9fr) 1.1fr}.proposal-world .map-player-column{padding:20px 14px}.proposal-world .map-explanation{padding:27px 22px}.proposal-world .map-explanation h3{font-size:27px}.proposal-world .design-notes>div{display:block}.proposal-world .design-notes dt{margin:0 0 6px;font-size:12px}.proposal-world .design-notes dd{font-size:14px}.proposal-world .map-rule{font-size:15px}.proposal-world .map-tabs button{padding:13px 10px;gap:10px;font-size:14px}.proposal-world .map-tabs img{width:36px;height:50px}.proposal-world .map-tabs small{font-size:8px}.proposal-world .map-section{width:77%;max-width:1160px}.proposal-world .rule-console{grid-template-columns:165px 1fr}.proposal-world .rule-select button{padding:17px 12px}.proposal-world .rule-select span{font-size:14px}.proposal-world .rule-select b{font-size:20px}.proposal-world .rule-display{padding:22px;min-height:360px}.proposal-world .rule-quote{font-size:21px}.proposal-world .rule-display p:not(.rule-quote){font-size:14px}.proposal-world .rule-metrics{gap:20px}.proposal-world .rule-metrics p>span{font-size:11px}.proposal-world .level-panel{gap:25px}.proposal-world .level-panel h3{font-size:22px}.proposal-world .scope-board{gap:15px}.proposal-world .scope-column{padding:20px 16px}.proposal-world .scope-column h3{font-size:19px}.proposal-world .scope-column li{font-size:13px}.proposal-world .observation-head{display:block}.proposal-world .ticket-question h4{font-size:27px}.proposal-world .ticket-question,.proposal-world .ticket-notes{padding:24px}.proposal-world .ticket-notes p{font-size:14px}.proposal-world .download-panel{padding:28px}.proposal-world .download-actions{flex-wrap:wrap}.proposal-world .documents-section{margin-bottom:0}footer{background:#f3f9fcf5;max-width:none;position:relative;z-index:2}
@media(min-width:1700px){.world-cover{padding-inline:7vw}.world-cover .cover-copy{padding-left:0}.world-cover .drive-playground{min-height:710px}.world-cover #drive-canvas{height:485px}.world-cover .drive-caption{bottom:30px}.world-cover .title-park{font-size:125px}.proposal-world .document-section,.proposal-world .five-second-band{margin-left:7vw}}
@media(max-width:1100px){.world-cover{padding:0 1vw 45px}.world-cover .cover-copy{padding:40px 20px 60px}.title-park{font-size:77px}.world-cover .title-project{font-size:28px}.world-cover .drive-playground{min-height:660px}.world-cover .drive-sticker{top:145px;right:7px;font-size:9px}.world-cover .drive-sticker strong{font-size:15px}.surface-switch{left:15px;right:15px;max-width:calc(100% - 30px)}.surface-switch button{padding:8px 12px;font-size:11px}.surface-switch button span{display:none}.world-cover #drive-canvas{top:110px;height:400px}.world-cover .drive-heading{left:15px;right:15px;font-size:11px}.world-cover .drive-caption{left:18px;right:18px}.proposal-world .document-section{width:76%;padding:34px 28px;grid-template-columns:1fr}.proposal-world .section-side{flex-direction:row;align-items:center;margin-bottom:0}.proposal-world .section-side:after{display:none}.proposal-world .section-side>span:not(.section-number){font-size:10px}.proposal-world .map-section{width:86%}.proposal-world .five-second-band{width:76%;grid-template-columns:60px 1fr;gap:18px;padding:30px}.proposal-world .five-number{font-size:85px}.proposal-world .test-launch{grid-column:2;height:50px;width:100%;border-radius:4px;display:flex;flex-direction:row;justify-content:space-between;padding:10px 20px}.proposal-world .friction-cards{gap:12px}.proposal-world .flip-note{padding:18px 12px}.proposal-world .note-front{font-size:21px}.world-route{right:15px;bottom:16px;padding:10px 12px}.route-stops{gap:5px;font-size:9px}}
@media(max-width:760px){.world-cover{display:block;padding:0 0 45px;background-position:55% center;background-size:auto 100%}.world-cover .cover-copy{padding:38px 25px 23px}.world-cover .eyebrow{font-size:9px;margin-bottom:24px}.world-cover .title-park{font-size:84px}.world-cover .title-project{font-size:31px;margin-top:21px}.world-cover .kicker{font-size:12px}.world-cover .cover-intro{font-size:14px;margin:21px 0}.world-cover .cover-actions{margin-top:20px;gap:22px}.world-cover .document-note{margin-top:20px}.world-cover .drive-playground{min-height:535px;border-radius:20px;margin:10px 12px 20px;background:#0a5dae38;border:1px solid #ffffff25}.world-cover #drive-canvas{top:95px;height:310px}.world-cover .drive-heading{top:18px}.surface-switch{top:52px}.surface-switch button{padding:8px 15px}.world-cover .drive-sticker{top:120px;right:15px;padding:8px 10px}.world-cover .drive-caption{bottom:18px}.world-cover .drive-caption p{font-size:12px;margin-bottom:10px}.world-cover .drive-actions{gap:10px}.world-cover .drive-actions button{font-size:11px;padding:7px 12px}.world-cover .drive-caption small{font-size:9px}.cover-bottom{left:25px;right:25px;bottom:18px;font-size:8px}.world-entry{padding:12vh 25px 10vh}.world-entry p{font-size:35px}.world-entry>span{font-size:12px}.proposal-world .document-section,.proposal-world .map-section,.proposal-world .five-second-band{width:calc(100% - 30px);margin:0 15px 15vh;padding:30px 22px;background:#fcfef9f5;border-radius:9px}.proposal-world .section-side{display:flex;margin-bottom:22px}.proposal-world .section-number{width:42px;height:42px;font-size:23px}.proposal-world .section-side>span:not(.section-number){font-size:9px}.proposal-world .document-section h2{font-size:26px}.proposal-world .five-second-band{background:#ffe266f5;padding:25px 22px;grid-template-columns:56px 1fr;gap:18px}.proposal-world .five-number{font-size:77px}.proposal-world .five-second-band h2{font-size:23px}.proposal-world .five-second-band .test-launch{font-size:13px}.proposal-world .map-tabs{display:grid;grid-template-columns:repeat(4,1fr)}.proposal-world .map-tabs button{display:block;padding:12px 5px;font-size:12px}.proposal-world .map-tabs img{display:none}.proposal-world .map-tabs small{font-size:7px;letter-spacing:0}.proposal-world .map-panel{grid-template-columns:1fr}.proposal-world .map-player-column{padding:20px}.proposal-world .map-explanation{padding:24px 20px}.proposal-world .friction-cards{display:grid;gap:14px}.proposal-world .flip-note{min-height:175px;padding:19px 22px}.proposal-world .note-front{font-size:24px}.proposal-world .note-back{font-size:20px}.proposal-world .level-panel{display:block}.proposal-world .level-diagram{max-width:280px;margin:auto auto 25px}.proposal-world .rule-console{grid-template-columns:1fr}.proposal-world .rule-select{grid-template-columns:repeat(2,1fr)}.proposal-world .rule-display{padding:20px}.proposal-world .scope-board{grid-template-columns:1fr}.proposal-world .observation-ticket{grid-template-columns:1fr}.proposal-world .ticket-question h4{font-size:28px}.proposal-world .download-panel{padding:23px}.proposal-world .download-panel .primary{white-space:normal}.world-route{bottom:12px;right:12px;padding:8px 12px;display:flex;gap:15px;align-items:center;border-radius:30px}.route-mini-label{display:none}.route-stops{margin:0}.route-stops span:last-child{font-size:15px}.world-route button{font-size:9px}.cinema-backdrop video{object-position:72% center}.idea-dialog-inner{padding:50px 26px 65px}.idea-dialog h2{font-size:27px}.idea-dialog #idea-lead{font-size:16px}.idea-dialog #idea-body p{font-size:14px}.idea-close{right:10px;top:8px}.proposal-world .documents-section{margin-bottom:30px}}
@media(prefers-reduced-motion:reduce){.idea-points i:before{animation:none}.cinema-backdrop,.world-route{transition:none}}
@media print{.cinema-backdrop,.world-route,.world-entry,.idea-points,.cover-bottom,.idea-dialog{display:none}.world-cover{background:white;color:#14354a;padding:0}.world-cover h1 span{color:#14354a;text-shadow:none}.proposal-world .document-section{width:100%;max-width:none;margin:0;background:white;box-shadow:none;padding:30px 0}}
.world-cover:before{background:linear-gradient(90deg,#064172bd 0%,#0860a07a 35%,#0877b217 65%,#00508013)}.world-cover .drive-sticker{color:#173b53}.world-cover .drive-caption{background:#08538b75;border:1px solid #ffffff24;border-radius:13px;padding:14px 16px;backdrop-filter:blur(10px);bottom:8px}.world-cover .drive-caption small{color:#e9f8ff}.world-cover .document-note{color:#fff}.points-caption{color:#eaf6ff}.world-cover .drive-caption p{margin-bottom:10px}@media(max-width:760px){.world-cover .drive-caption{left:13px;right:13px;bottom:13px;padding:12px}.world-cover:before{background:linear-gradient(90deg,#064172b0,#0860a063 65%,#0877b217)}.world-cover .drive-playground{min-height:565px}}
.world-cover{z-index:2}.proposal-world{z-index:1}
@media(min-width:761px) and (max-height:850px){.world-cover{padding-bottom:30px;min-height:680px}.world-cover .cover-copy{padding-top:32px;padding-bottom:45px}.world-cover .drive-playground{min-height:625px}.world-cover .eyebrow{margin-bottom:20px}.world-cover .cover-intro{margin:20px 0}.world-cover .cover-actions{margin-top:20px}.world-cover .document-note{margin-top:18px}.world-cover #drive-canvas{height:380px}.cover-bottom{bottom:12px}}
@media(min-width:1101px){.proposal-world .map-section{width:70%;max-width:1080px}}
@media(min-width:761px) and (max-width:1100px){.proposal-world .map-section{width:76%}}
/* Readable glass reveals the moving world behind the content. */
@media screen{
 .proposal-world .document-section{background:linear-gradient(110deg,rgba(249,253,248,.82),rgba(247,252,249,.72) 48%,rgba(241,251,248,.56));backdrop-filter:blur(1.5px);-webkit-backdrop-filter:blur(1.5px);border-color:#ffffffb0;box-shadow:0 8px 42px #16416610;color:#123349}
 .proposal-world .body-lead,.proposal-world .section-intro,.proposal-world .research-note p,.proposal-world .authorship p{color:#193b4c}
 .proposal-world .decision-grid>div{background:#fafffb38;border-color:#315b7070}
 .proposal-world .decision-grid p,.proposal-world .rule-fineprint p,.proposal-world .scope-boundary{color:#294a5b}
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 .proposal-world .map-player-column{background:#edf7f4d9}.proposal-world .level-panel{background:#f8fcfaaa}
 .proposal-world .validation-summary>div{background:#fbfff982}.proposal-world .scope-column{background:#fcfff980}
 .proposal-world .observation-ticket{background:#fffcecda}.proposal-world .test-method{background:#eaf4f2ad}
 .proposal-world .download-panel{background:#f6fcffd4}.proposal-world .five-second-band{background:#ffe266d9;backdrop-filter:blur(2px)}
 .film-shade{background:linear-gradient(90deg,#e4f4fa09,transparent 65%,#12365506)}
}
@media screen and (max-width:760px){.proposal-world .document-section{background:linear-gradient(110deg,rgba(249,253,248,.84),rgba(249,253,248,.72) 60%,rgba(246,253,250,.63));backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px)}}