:root{--ink:#213047;--navy:#202e4b;--paper:#edf1f7;--muted:#5b677a;--line:#cbd3df;--gold:#c79542;--white:#fff;--success:#27624e;--radius:14px;font-family:'Avenir Next','Trebuchet MS',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;color:inherit}button:disabled{cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8b5a1d;outline-offset:4px}a{color:#435c85;text-underline-offset:3px}p{line-height:1.7;max-width:75ch}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,'Times New Roman',serif;font-weight:400}h1{font-size:clamp(2.3rem,4.3vw,4.5rem);line-height:1.09;letter-spacing:-.045em}h2{font-size:2rem;line-height:1.2}h3{font-size:1.12rem;line-height:1.45}button{min-height:44px}main{min-height:70vh}main:focus{outline:none}.skip{position:fixed;top:-100px;z-index:20;padding:14px;background:white}.skip:focus{top:8px}header{background:var(--navy);color:white}.header-inner{max-width:1360px;margin:auto;padding:20px 44px;display:flex;gap:24px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;background:none;color:inherit;text-align:left;line-height:1.2;font-weight:600;font-size:16px;padding:0}.brand small{display:block;font-family:Georgia,serif;font-size:20px;font-weight:400}.brand-mark{font-size:46px;color:#e2bb74;line-height:1;transform:rotate(-18deg)}nav{display:flex;align-items:center;gap:16px}nav button{background:none;color:#d6deeb;padding:5px 8px;border-bottom:2px solid transparent}nav button[aria-current]{color:white;border-color:#e2bb74}.profile-button{display:flex;gap:10px;align-items:center;border:1px solid #647087;background:#ffffff08;border-radius:24px;color:white;padding:6px 14px 6px 6px}.avatar{display:inline-grid;place-items:center;flex-shrink:0;width:32px;height:32px;border-radius:50%;background:#b9c5dc;color:#253855;font-weight:700}.hero{max-width:1360px;margin:auto;min-height:565px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:38px;padding:50px 64px 48px}.case-label{display:block;color:#536584;margin-bottom:22px;font-size:14px}.hero h1{margin-bottom:25px}.hero-intro{font-size:18px;max-width:470px;color:#536178;margin-bottom:28px}.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:7px;min-height:48px;font-weight:600;text-decoration:none}.primary{background:var(--navy);color:white;box-shadow:0 4px 0 #0f1c33}.primary:hover{background:#334766}.primary:disabled{opacity:.45;box-shadow:none}.secondary{background:white;border:1px solid #bec9da;color:#304563}.secondary:hover{background:#e8edf5}.hero-note{font-size:12px;color:#637086;margin:22px 0 0}.listen{background:transparent;border:1px solid #c3cddd;border-radius:24px;color:#405778;display:inline-flex;gap:8px;align-items:center;justify-content:center;padding:7px 12px;min-height:36px;font-size:13px}.listen.is-reading{background:#dce6f5;border-color:#5d749d}.listen:hover{background:#e2e9f3}.hero-vitrine{position:relative;min-width:0;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#e3e9f2;border-radius:48% 48% 8px 8px;padding:22px 26px 29px;box-shadow:inset 0 0 0 1px #d8e0ec;max-width:465px;justify-self:end;width:100%}.hero-vitrine .object-art{width:100%;height:330px;filter:drop-shadow(8px 16px 13px #21304722)}.artifact-orbit{position:absolute;top:47%;width:100%;left:0;display:flex;justify-content:space-between;font-family:Georgia,serif;color:#70829d;font-size:13px;padding:0 15px}.object-tag{background:white;border-left:3px solid var(--gold);padding:14px 24px;width:84%;box-shadow:0 5px 18px #253b6010}.object-tag span,.object-tag strong,.object-tag small{display:block}.object-tag span{font-size:11px;color:#6b7890;margin-bottom:6px}.object-tag strong{font-family:Georgia,serif;font-size:22px;font-weight:400}.object-tag small{font-size:12px;margin-top:6px;color:#657186}.vitrine-caption{font-size:10px;color:#697a92;position:absolute;bottom:8px;right:18px}.travel-bar{max-width:1232px;margin:0 auto 68px;background:#dbe3ef;border-radius:10px;display:flex;align-items:center;gap:32px;padding:24px 30px}.travel-bar>div:first-child{min-width:260px}.tiny-label{font-size:12px;color:#506481;display:block;margin-bottom:7px}.travel-bar strong{font-size:16px}.travel-bar p{font-size:12px;margin:7px 0 0;color:#52647c}.progress-track{flex:1;height:6px;background:#bbc9dc;border-radius:4px;overflow:hidden}.progress-track span{display:block;background:#647b9d;height:100%;min-width:0}.journey{max-width:1232px;margin:auto;padding-bottom:60px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 28px}.section-heading h2{margin-bottom:10px}.section-heading p{color:var(--muted);margin:0;font-size:14px}.quiet{color:var(--muted);font-size:13px;line-height:1.6}.timeline{position:relative}.timeline:before{content:'';position:absolute;left:30px;top:20px;bottom:35px;width:2px;background:#c4cfdd}.era{position:relative;width:100%;background:transparent;display:grid;grid-template-columns:44px 195px 1fr 125px;gap:30px;text-align:left;align-items:center;padding:24px 24px 24px 9px;border-bottom:1px solid #d1dae6}.era-number{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--paper);border:1px solid #b5c2d5;font-family:Georgia,serif;font-size:16px;z-index:1}.era-date{font-family:Georgia,serif;font-size:17px}.era-date small,.era-title small{display:block;font-family:'Avenir Next','Trebuchet MS',sans-serif;font-size:12px;color:#586b85;margin-top:8px}.era-title strong{font-weight:500;font-size:17px}.era-state{font-size:12px;text-align:right;color:#64758d}.era.current{background:#fff;border:1px solid #b3c3d8;box-shadow:0 6px 20px #21304708;border-radius:10px}.era.current .era-number{background:var(--navy);color:white;border-color:var(--navy)}.era.current .era-state{color:#203452;font-weight:600}.era.complete .era-number{background:#dbe9e3;border-color:#8cb29f;color:#296149}.era:disabled{opacity:.6}.era:not(:disabled):hover{background:#e2e9f3}.journey-complete{max-width:1000px;text-align:center;margin:0 auto 64px;background:white;padding:35px;border-radius:15px}.journey-complete p{margin:0 auto 24px}.complete-symbol{font-size:50px;color:#a17837}footer{border-top:1px solid #cad4e2;max-width:1232px;margin:auto;padding:25px 0 28px;color:#53657e;font-size:12px}footer>div{display:flex;justify-content:space-between;gap:20px;align-items:center}footer button{background:transparent;color:inherit;padding:0;font-size:12px}footer p{margin:10px auto 0;text-align:center;font-size:11px;color:#6c7990}.case-shell{max-width:1232px;margin:auto;padding:26px 0 55px}.case-top{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:12px;color:#586a84}.case-top button{background:none;color:#435b7a}.back{font-size:15px}.case-steps{display:flex;gap:8px;margin:22px 0 36px}.case-steps span{flex:1;border-top:3px solid #ccd5e1;padding-top:12px;font-size:12px;color:#697b94}.case-steps span.done{border-color:#7e92b1;color:#2d4363}.case-intro{max-width:980px}.case-intro h1{font-size:clamp(2.1rem,3.5vw,3.6rem);margin-bottom:20px}.case-intro .case-label{margin-bottom:14px}.mission{border-left:3px solid var(--gold);padding:4px 0 4px 20px;margin-bottom:38px;max-width:850px}.mission .reading p{margin:0 0 8px;font-size:16px}.mission small{display:block;color:#62728a;font-size:11px;margin-top:12px}.case-columns{display:grid;grid-template-columns:360px 1fr;gap:50px;align-items:start}.evidence-board{background:#e0e7f0;border:1px solid #d0d9e6;border-radius:10px;padding:24px}.evidence-board figure{margin:0 0 28px;text-align:center}.object-art{max-width:100%;display:block;margin:auto}.evidence-board .object-art{height:250px;width:100%}.evidence-board figcaption{font-family:Georgia,serif;font-size:21px}.evidence-board figcaption small{display:block;color:#62728a;font:10px 'Avenir Next','Trebuchet MS',sans-serif;margin-top:10px}.evidence-board h2{font-family:inherit;font-size:16px;font-weight:600;margin-bottom:8px}.clues{margin-top:20px}.clues details{background:white;border-radius:7px;margin:12px 0 0;padding:15px;box-shadow:0 3px 0 #c4cfde}.clues summary{font-size:14px;line-height:1.55;font-weight:600;min-height:44px;cursor:pointer;list-style:none;display:flex;align-items:center;gap:9px}.clues summary span{border:1px solid #c2cddd;width:24px;height:24px;border-radius:50%;display:inline-grid;place-items:center;flex-shrink:0;color:#566f90}.clues .reading p{font-size:13px;margin:8px 0 12px}.clues a{font-size:11px;display:block;margin-top:14px;line-height:1.6}.context{background:#fff;border:1px solid #cbd5e2;border-radius:8px;padding:20px 24px;margin-bottom:28px}.context>summary{cursor:pointer;font-size:16px;font-weight:600;min-height:44px}.context>summary small{display:block;font-size:12px;color:#69798e;font-weight:400;margin-top:7px;margin-left:18px}.context[open]>summary{margin-bottom:25px}.reading{margin-bottom:20px}.reading p{font-size:15px;margin-bottom:9px}.reading:last-child{margin-bottom:0}.nuance{background:#e8edf5;border-left:3px solid #7a8da8;padding:18px;margin:24px 0 0}.nuance h3{font-size:14px;margin-bottom:10px}.nuance p{font-size:13px}.puzzle-heading{display:flex;justify-content:space-between;gap:12px;color:#61728c;font-size:12px;margin:0 0 22px}.question{position:relative}.question h2{font-size:26px;line-height:1.4;margin:13px 0 22px}.answers{display:grid;gap:11px}.answer-row{display:flex;gap:8px;align-items:center}.answer{display:flex;align-items:center;gap:14px;min-height:62px;text-align:left;border:1px solid #bfcbdc;border-radius:8px;background:#fff;padding:14px 18px;flex:1;font-size:14px;line-height:1.5}.answer>span{display:grid;place-items:center;width:28px;height:28px;background:#e9eef5;border-radius:50%;color:#546b8e;font-size:12px;flex-shrink:0}.answer:not(:disabled):hover{background:#e2eaf7;border-color:#7d94b5}.answer-row>.listen{width:38px;min-height:44px;padding:0;flex-shrink:0}.answer-row>.listen span{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}.answer:disabled{opacity:.55}.answer.right{background:#e3efe8;border-color:#80a38d;opacity:1}.answer.wrong{background:#f0e4e5;border-color:#b38c92;opacity:1}.locked-note{background:#e4eaf3;padding:12px 16px;font-size:13px;border-radius:6px}.hint{margin-top:24px;font-size:13px;color:#576d8c}.hint summary{cursor:pointer;min-height:44px;padding:10px 0}.hint p{background:white;padding:16px;border-radius:6px}.expert-note{margin:22px 0}.feedback{margin-top:25px;padding:23px;border-radius:9px;outline:none}.feedback.success{background:#deebe2;border:1px solid #a9c5b2}.feedback.retry{background:#eee3db;border:1px solid #cdb9a9}.feedback h3{margin-bottom:10px}.feedback p{font-size:14px}.feedback .primary{margin:20px 0 0;display:flex;width:100%}.order-list{list-style:none;padding:0;display:grid;gap:10px}.order-list li{display:flex;align-items:center;gap:14px;padding:12px 14px;background:white;border:1px solid #c7d2e2;border-radius:8px;font-size:14px;line-height:1.5}.order-number{font-family:Georgia,serif;font-size:22px;color:#7d8da6}.order-list li>div{flex:1}.order-list small{display:block;color:#647895;font-size:12px;margin-top:5px}.order-buttons{display:flex;gap:4px}.order-buttons button{min-width:44px;min-height:44px;border-radius:6px;border:1px solid #c2cede;background:#edf2f9;font-size:19px}.order-buttons button:disabled{opacity:.3}.solved{text-align:center;background:#fff;padding:30px;border-radius:12px;border:1px solid #c5d5cc}.seal{display:inline-grid;place-items:center;background:#e0ece3;border:2px solid #91b69d;width:60px;height:60px;border-radius:50%;color:#46765a;font-size:30px;margin-bottom:18px}.solved h2{font-size:27px}.solved p{font-size:14px}.anecdotes{margin-top:60px}.anecdote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.anecdote-grid article{border-top:2px solid #bac7da;padding-top:22px}.anecdote-index{font-family:Georgia,serif;font-size:30px;color:#7185a3;display:block;margin-bottom:18px}.anecdote-grid h3{font-family:Georgia,serif;font-weight:400;font-size:24px;line-height:1.25}.anecdote-grid .reading p{font-size:14px}.anecdote-grid a{font-size:12px}.after-case{display:flex;justify-content:center;gap:16px;padding:45px 0 0}.sources{border-top:1px solid #c8d2e1;margin-top:45px;padding-top:18px}.sources summary{cursor:pointer;font-size:13px;min-height:44px}.source-list{padding:18px 0}.source-list h3{font-size:16px}.source-list p{font-size:12px;color:#65758c}.source-list a{display:block;line-height:1.7;font-size:12px;margin-top:10px;overflow-wrap:anywhere}.journal{max-width:1232px;margin:auto;padding:60px 0}.journal h1{font-size:3.4rem;margin-bottom:16px}.journal-entry{border-bottom:1px solid #c5d0df}.journal-entry>summary{display:flex;align-items:center;gap:35px;padding:26px 15px;cursor:pointer;min-height:75px}.journal-date{font-family:Georgia,serif;font-size:16px;min-width:175px}.journal-entry>summary strong{flex:1;font-weight:500}.journal-entry>summary>span:last-child{font-size:12px;color:#59708e}.journal-content{padding:30px;background:white;border-radius:8px;margin-bottom:24px}.journal-content .anecdotes{margin-top:30px}.journal-content .anecdote-grid{gap:24px}.location{font-weight:600}.empty-journal{text-align:center;padding:30px;background:#e1e8f2;border-radius:12px}.empty-journal .object-art{height:230px}.empty-journal p{margin-left:auto;margin-right:auto}dialog{width:min(610px,calc(100% - 32px));max-height:85dvh;padding:28px;border:1px solid #b7c5da;border-radius:14px;background:var(--paper);color:var(--ink);box-shadow:0 25px 100px #18284055}dialog::backdrop{background:#18263dc2;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.dialog-head h2{font-size:28px}.dialog-head button{min-width:44px;font-size:26px;background:white;border-radius:50%}dialog p{font-size:14px}dialog h3{margin-top:28px}dialog label:not(.file-label){display:block;font-size:13px;margin:20px 0 8px}dialog input:not([type=file]),dialog select{width:100%;min-height:48px;border:1px solid #adbed6;padding:10px;border-radius:7px;background:white;color:var(--ink)}dialog form>.primary{width:100%;margin:24px 0 16px}.profile-list{display:grid;gap:10px}.profile-list button{display:flex;align-items:center;gap:16px;text-align:left;padding:12px;background:white;border:1px solid #c4d0e2;border-radius:8px}.profile-list button>span:nth-child(2){flex:1}.profile-list small{display:block;font-size:12px;margin-top:5px;color:#60718c}.level-list{display:grid;gap:10px}.level-list button{padding:20px;background:white;border:1px solid #c4d0e2;border-radius:8px;text-align:left}.level-list strong,.level-list span,.level-list small{display:block}.level-list span{font-size:13px;line-height:1.6;margin:10px 0}.level-list small{color:#59708f}.level-list button[aria-pressed=true]{border:2px solid #5979a2;background:#e6edf8}.settings-actions{display:flex;gap:10px;flex-wrap:wrap}.file-label{position:relative;overflow:hidden;cursor:pointer}.file-label input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.file-label:focus-within{outline:3px solid #8b5a1d;outline-offset:3px}.storage-warning{padding:18px;background:#f0dfd8;margin-top:20px}.storage-warning button{margin:7px 0}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,12px);max-width:min(550px,calc(100% - 32px));padding:15px 22px;background:#233650;color:white;border-radius:9px;box-shadow:0 8px 30px #182a3c33;font-size:14px;line-height:1.6;opacity:0;pointer-events:none;z-index:100;transition:opacity .15s,transform .15s}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:1440px){.hero{min-height:610px}.hero-vitrine .object-art{height:370px}}
@media(max-width:1300px){.journey,.travel-bar,.case-shell,.journal,footer{margin-left:40px;margin-right:40px}.hero{padding-left:40px;padding-right:40px}.case-columns{grid-template-columns:315px 1fr;gap:32px}}
@media(max-width:1000px){.header-inner{padding:18px 25px;gap:14px}nav{gap:7px}nav button{font-size:13px}.brand{font-size:14px}.brand small{font-size:18px}.profile-button{font-size:12px}.hero{gap:22px;min-height:520px;padding:36px 30px}.hero-vitrine{padding:20px 14px 26px}.hero-vitrine .object-art{height:280px}.hero h1{font-size:3.3rem}.hero-intro{font-size:16px}.hero-actions{gap:15px}.hero-actions .listen{font-size:12px}.journey,.travel-bar,.case-shell,.journal,footer{margin-left:28px;margin-right:28px}.era{gap:20px;grid-template-columns:44px 155px 1fr 85px}.era-title strong{font-size:15px}.era-date{font-size:15px}.travel-bar{gap:20px}.travel-bar>div:first-child{min-width:210px}.case-columns{grid-template-columns:280px 1fr;gap:26px}.evidence-board{padding:18px}.case-body .context{padding:16px}.anecdote-grid{gap:22px}.anecdote-grid h3{font-size:21px}.order-buttons{flex-direction:column}.question h2{font-size:24px}.answer{padding:11px;font-size:13px;gap:9px}.answer-row{gap:5px}.answer-row>.listen{width:34px}.journal-entry>summary{gap:20px}}
@media(max-width:760px){.header-inner{flex-wrap:wrap;padding:15px 18px}.brand{flex:1}.profile-button{max-width:180px}.profile-button>span:last-child{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}nav{order:3;justify-content:center;width:100%;border-top:1px solid #536078;padding-top:9px;margin-top:4px;gap:30px}nav button{font-size:13px;min-height:38px}.desktop-label{display:none}.hero{grid-template-columns:1fr;gap:24px;padding:32px 23px 26px}.hero-copy{max-width:540px}.hero h1{font-size:clamp(2.6rem,8vw,3.8rem)}.hero .case-label{font-size:12px;margin-bottom:18px}.hero-intro{font-size:15px;max-width:520px}.hero-vitrine{max-width:500px;justify-self:center;border-radius:120px 120px 8px 8px;padding:0 15px 24px;min-height:210px;display:grid;grid-template-columns:1fr 1fr;align-items:center}.hero-vitrine .object-art{height:210px}.artifact-orbit{display:none}.object-tag{width:100%;padding:14px}.object-tag strong{font-size:19px}.object-tag small{font-size:11px}.hero-note{font-size:11px}.hero-actions .primary{padding:13px 18px}.hero-actions .listen{font-size:11px}.travel-bar{flex-wrap:wrap;padding:22px;margin:0 20px 40px;gap:20px}.travel-bar>div:first-child{flex:1;min-width:100px}.travel-bar .progress-track{order:3;flex-basis:100%}.travel-bar .secondary{font-size:12px;padding:10px}.journey,.case-shell,.journal,footer{margin-left:20px;margin-right:20px}.section-heading{align-items:start}.section-heading>.quiet{display:none}.section-heading h2{font-size:26px}.section-heading p{font-size:13px}.era{grid-template-columns:34px 1fr;gap:8px 16px;padding:19px 12px 19px 5px}.era-number{grid-row:1/4;width:34px;height:34px;align-self:start;margin-top:4px;font-size:14px}.timeline:before{left:22px}.era-date{font-size:13px}.era-date small{display:none}.era-title strong{font-size:15px;line-height:1.5}.era-title small{font-size:11px;margin-top:6px}.era-state{grid-column:2;text-align:left;font-size:10px;margin-top:4px}.case-top{gap:10px;font-size:10px}.case-top button{font-size:11px}.case-steps{margin:18px 0 28px;gap:5px}.case-steps span{font-size:10px}.case-intro h1{font-size:2.35rem}.case-intro .case-label{font-size:12px;line-height:1.6}.mission{padding-left:14px}.mission .reading p{font-size:14px}.case-columns{grid-template-columns:1fr;gap:28px}.evidence-board{padding:20px}.evidence-board figure{display:grid;grid-template-columns:130px 1fr;align-items:center;margin-bottom:20px;text-align:left;gap:15px}.evidence-board .object-art{height:140px}.evidence-board figcaption{font-size:22px}.clues{display:grid;grid-template-columns:1fr;gap:9px;margin-top:12px}.clues details{margin:0}.clues summary{font-size:14px}.clues .reading p{font-size:14px}.question h2{font-size:26px}.answer{min-height:66px;font-size:14px;padding:14px}.answer-row>.listen{width:40px}.order-buttons{flex-direction:row}.anecdote-grid{grid-template-columns:1fr;gap:28px}.anecdote-index{float:left;margin:0 18px 0 0;font-size:28px}.anecdote-grid h3{font-size:24px}.anecdote-grid .reading p{font-size:15px}.after-case{flex-direction:column}.journal{padding-top:36px}.journal h1{font-size:2.55rem}.journal .section-heading{flex-direction:column}.journal-entry>summary{flex-wrap:wrap;gap:10px;padding:22px 8px}.journal-date{width:100%;font-size:13px}.journal-entry>summary strong{font-size:15px}.journal-content{padding:20px}.journal-content .section-heading h2{font-size:24px}footer{padding-bottom:20px}footer>div{flex-wrap:wrap;gap:10px;justify-content:space-between}footer #offline-state{order:3;flex-basis:100%;text-align:center}footer p{font-size:10px}dialog{padding:22px}.dialog-head h2{font-size:26px}dialog select{font-size:13px;max-width:100%}.journey-complete{margin:0 20px 40px;padding:25px}.journey-complete h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
