:root{--academy-gold:#c8a96b;--academy-ink:#080808;--academy-paper:#f3efe6}.academy{background:var(--academy-ink);color:var(--academy-paper);min-height:100vh;overflow-x:hidden}.academy *{box-sizing:border-box}.academy a{color:inherit}.academy img{max-width:100%}.academy-shell{width:min(1180px,calc(100% - 40px));margin:auto}.academy-nav{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid #ffffff20}.academy-identity{display:flex;align-items:center;min-width:0}.academy-brand,.academy-mark{display:inline-flex;align-items:center;min-height:44px}.academy-brand{padding-right:14px}.academy-brand img{display:block;width:116px;height:auto}.academy-identity__separator{width:1px;height:20px;background:#ffffff30}.academy-mark{padding-left:14px;color:var(--academy-gold)!important;font-size:.73rem;font-weight:700;letter-spacing:.16em;text-decoration:none}.academy-nav__links{display:flex;gap:20px;align-items:center}.academy-nav__links a{text-decoration:none;font-size:.75rem;letter-spacing:.12em}.academy-brand:focus-visible,.academy-mark:focus-visible{outline:2px solid var(--academy-gold);outline-offset:3px}.academy-hero{position:relative;min-height:min(820px,88vh);display:flex;align-items:center;padding:100px 0;background-color:#050505;background-image:linear-gradient(90deg,rgba(5,5,5,.94) 0%,rgba(5,5,5,.7) 42%,rgba(5,5,5,.12) 75%),url('/assets/images/bg_satonaacademy_hero.png');background-size:cover;background-repeat:no-repeat;background-position:center}.academy-hero__content{position:relative;max-width:680px}.academy-hero__logo{display:block;width:min(520px,76vw);height:auto;margin-bottom:38px}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.academy-kicker,.academy-meta{color:var(--academy-gold);text-transform:uppercase;letter-spacing:.16em;font-size:.75rem}.academy-hero__motto{font-size:clamp(2.4rem,5vw,5.3rem);line-height:.96;letter-spacing:-.04em;margin:0 0 28px}.academy-hero__motto span{display:block}.academy-lead{font-size:clamp(1rem,1.7vw,1.28rem);max-width:610px;line-height:1.65;color:#ddd7cb}.academy-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:35px}.academy-button{display:inline-flex;justify-content:center;padding:14px 22px;border:1px solid var(--academy-gold);border-radius:999px;text-decoration:none;text-transform:uppercase;letter-spacing:.1em;font-size:.7rem;background:transparent;color:var(--academy-paper);cursor:pointer;transition:.22s}.academy-button--solid,.academy-button:hover,.academy-button:focus-visible{background:var(--academy-gold);color:#080808}.academy-early{border-block:1px solid #ffffff16;padding:13px;text-align:center;color:#a89e8d;font-size:.66rem;letter-spacing:.22em}.academy-section{padding:110px 0}.academy-heading{max-width:820px;margin-bottom:55px}.academy-heading h2{font-size:clamp(2.6rem,6vw,5.7rem);line-height:.95;margin:12px 0 20px;letter-spacing:-.05em}.academy-heading p:last-child{font-size:1.16rem;line-height:1.65;color:#bdb6aa}.academy-levels{display:flex;align-items:center;gap:18px;margin:35px 0 60px;color:#d9c89f;font-size:.7rem;letter-spacing:.16em}.academy-levels i{height:1px;flex:1;background:linear-gradient(90deg,#c8a96b,#ffffff1c)}.academy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.academy-card{position:relative;border:1px solid #ffffff20;border-radius:32px;padding:35px;min-height:390px;display:flex;flex-direction:column;overflow:hidden;background:linear-gradient(145deg,#ffffff08,transparent);transition:.25s}.academy-card:first-child{grid-column:1/-1;min-height:430px}.academy-card[data-art]::after{content:"";position:absolute;inset:0 0 0 54%;background:linear-gradient(90deg,#080808 0%,transparent 50%),var(--art) center/cover no-repeat;opacity:.42;pointer-events:none}.academy-card>*{position:relative;z-index:1}.academy-card:hover{border-color:#c8a96b99;transform:translateY(-3px)}.academy-card__top{display:flex;justify-content:space-between;gap:15px}.academy-card__number{font-size:clamp(3.5rem,7vw,6.5rem);line-height:.8;color:var(--academy-gold)}.academy-card h3{font-size:clamp(1.8rem,3vw,2.8rem);margin:40px 0 12px;max-width:500px}.academy-card p{color:#c7c2b8;line-height:1.65;max-width:570px}.academy-card__foot{margin-top:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px}.academy-meter{height:2px;background:#ffffff1f;min-width:70px}.academy-meter i{display:block;height:100%;background:var(--academy-gold);width:var(--progress,0%);transition:width 800ms ease}.academy-meter-label{font-size:.68rem;color:#aaa}.academy-feature,.course-visual{display:grid;grid-template-columns:1fr 1.15fr;gap:65px;align-items:center}.academy-feature--reverse .academy-media{order:-1}.academy-feature h2,.course-copy h2{font-size:clamp(2.3rem,5vw,4.8rem);line-height:1;margin:12px 0 25px}.academy-feature p,.course-copy p{color:#c7c2b8;line-height:1.7}.academy-media{position:relative;overflow:hidden;border:1px solid #c8a96b55;border-radius:36px;background:#050505;box-shadow:0 0 55px #c8a96b0b}.academy-media img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}.academy-media--contain img{object-fit:contain}.academy-media:hover img{transform:scale(1.02)}.academy-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.academy-tool{border:1px solid #ffffff20;border-radius:22px;padding:26px;text-decoration:none;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}.academy-tool:hover{border-color:#c8a96b99}.academy-tool span{color:var(--academy-gold)}.academy-protect{position:relative;min-height:450px;border:1px solid #ffffff20;border-radius:38px;overflow:hidden;padding:55px;display:flex;align-items:end;background:#050505}.academy-protect img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}.academy-protect::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#050505 5%,#050505d9 45%,transparent)}.academy-protect__copy{position:relative;z-index:1;max-width:570px}.academy-protect h2{font-size:clamp(2.5rem,5vw,5rem);line-height:.96;margin:12px 0 22px}.course-hero{padding:90px 0 55px}.course-hero h1,.lesson-hero h1{font-size:clamp(3rem,8vw,7rem);line-height:.9;letter-spacing:-.055em;margin:24px 0}.course-visual{margin:10px 0 80px}.course-flow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:22px;color:#d9c89f;font-size:.68rem;letter-spacing:.09em;text-transform:uppercase}.course-flow i{height:1px;min-width:15px;flex:1;background:#c8a96b66}.lesson-list{list-style:none;padding:0;border-top:1px solid #ffffff22}.lesson-list a{display:grid;grid-template-columns:60px 1fr auto;gap:20px;padding:24px 8px;border-bottom:1px solid #ffffff22;text-decoration:none}.lesson-list a:hover{color:var(--academy-gold)}.lesson-main{max-width:850px}.lesson-hero{padding:70px 0 40px}.lesson-body{font-size:1.12rem;line-height:1.75}.lesson-body h2{font-size:2.4rem;line-height:1.1;margin-top:65px}.academy-warning{border-left:3px solid var(--academy-gold);background:#c8a96b10;padding:22px;margin:30px 0}.flow{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid #ffffff22;border-radius:24px;padding:30px;margin:35px 0}.flow b{border:1px solid #c8a96b77;padding:12px;border-radius:10px}.quiz{border:1px solid #c8a96b88;border-radius:30px;padding:38px;margin:60px 0;background:linear-gradient(145deg,#c8a96b0c,transparent)}.quiz::before{content:none}.quiz-options{display:grid;gap:10px}.quiz button{font:inherit;text-align:left;color:inherit;background:#ffffff08;border:1px solid #ffffff20;border-radius:16px;padding:18px;cursor:pointer}.quiz button:hover,.quiz button:focus-visible,.quiz button.is-selected{border-color:var(--academy-gold);background:#c8a96b12}.quiz-result{min-height:28px;color:var(--academy-gold);font-weight:700}.coin{font-size:4rem;margin:20px 0}.lesson-controls{display:flex;justify-content:space-between;gap:15px;margin:45px 0}.reset-progress{margin-top:35px}.academy-footer{border-top:1px solid #ffffff20;padding:42px 0;color:#aaa}.academy-footer img{width:180px;height:auto;display:block;margin-bottom:18px}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:760px){.academy-shell{width:min(100% - 24px,1180px)}.academy-nav{gap:10px;padding:14px 0}.academy-brand{padding-right:8px}.academy-brand img{width:82px}.academy-mark{padding-left:8px;font-size:.55rem}.academy-nav__links{gap:8px}.academy-nav__links a:not(.lang){display:none}.academy-nav__links .lang{font-size:.62rem}.academy-hero{min-height:650px;padding:70px 0;background-position:62% center;background-image:linear-gradient(90deg,rgba(5,5,5,.92),rgba(5,5,5,.58)),url('/assets/images/bg_satonaacademy_hero.png')}.academy-hero__logo{width:min(390px,82vw);margin-bottom:30px}.academy-hero__motto{font-size:2.7rem}.academy-section{padding:72px 0}.academy-levels{gap:9px;font-size:.56rem}.academy-grid,.academy-tools,.academy-feature,.course-visual{grid-template-columns:1fr}.academy-card:first-child{grid-column:auto}.academy-card{min-height:340px;padding:26px}.academy-card[data-art]::after{inset:45% 0 0;background:linear-gradient(#080808,transparent),var(--art) center/cover}.academy-card__foot{grid-template-columns:1fr}.academy-card__foot .academy-button{width:100%}.academy-feature{gap:30px}.academy-feature--reverse .academy-media{order:0}.academy-protect{padding:28px;min-height:520px}.academy-protect::after{background:linear-gradient(0deg,#050505 15%,#050505d4 58%,transparent)}.course-visual{gap:25px;margin-bottom:55px}.course-flow{flex-wrap:wrap;justify-content:flex-start}.course-flow i{flex:0 0 14px}.lesson-list a{grid-template-columns:40px 1fr}.lesson-list small{display:none}.lesson-controls,.flow{flex-direction:column}.quiz{padding:24px}.academy-media:hover img{transform:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}

/* Academy portal — editorial homepage */
.academy-hero{min-height:min(820px,calc(100vh - 89px));padding:72px 0 82px;background-image:linear-gradient(90deg,rgba(5,5,5,.94) 0%,rgba(5,5,5,.74) 40%,rgba(5,5,5,.2) 75%,rgba(5,5,5,.05) 100%),url('/assets/images/bg_satonaacademy_hero.png')}
.academy-hero__content{max-width:720px}
.academy-hero__logo{width:clamp(360px,38vw,600px);margin:0 0 48px}
.academy-hero__motto{font-size:clamp(44px,4.5vw,72px);font-weight:750;line-height:.98;max-width:700px;margin:0 0 28px}
.academy-section--story{position:relative;border-top:1px solid #c8a96b18}
.academy-section--story:nth-of-type(even){background:linear-gradient(110deg,#c8a96b05,transparent 45%)}
.academy-section--compact{padding-block:78px}
.academy-feature{grid-template-columns:minmax(0,.68fr) minmax(0,1.18fr);gap:clamp(42px,6vw,84px)}
.academy-feature--reverse{grid-template-columns:minmax(0,1.18fr) minmax(0,.68fr)}
.academy-feature--reverse .academy-media{order:-1}
.academy-feature__copy{max-width:500px}
.academy-feature__copy .academy-button{margin-top:16px}
.academy-media{border-radius:24px;overflow:visible}
.academy-media::before{content:"";position:absolute;inset:8% -3%;background:#c8a96b12;filter:blur(40px);z-index:-1}
.academy-media img{aspect-ratio:16/10;border-radius:23px;object-fit:cover;background:#050505}
.academy-section--compact .academy-shell{width:min(1050px,calc(100% - 40px))}
.academy-section--compact .academy-media img{aspect-ratio:16/9;object-fit:contain}
.academy-card[data-art]::after{inset:0;background:linear-gradient(105deg,#080808 18%,#080808e8 52%,#08080880),var(--art) center/cover no-repeat;opacity:0;transform:scale(1.035);transition:opacity .42s ease,transform .42s ease}
.academy-card[data-art]:hover::after,.academy-card[data-art]:focus-within::after{opacity:.24;transform:scale(1)}
.academy-card[data-art]:hover,.academy-card[data-art]:focus-within{border-color:#c8a96baa;box-shadow:0 18px 55px #0008,0 0 28px #c8a96b0a}
.academy-tools{gap:16px}
.academy-tool{position:relative;border-color:#c8a96b42;border-radius:24px;min-height:190px;background:linear-gradient(145deg,#c8a96b08,transparent 55%);overflow:hidden}
.academy-tool::after{content:"";position:absolute;width:110px;height:110px;right:-50px;bottom:-60px;border-radius:50%;background:#c8a96b20;filter:blur(25px);opacity:0;transition:opacity .3s}
.academy-tool:hover{border-color:#c8a96b99;transform:translateY(-2px)}
.academy-tool:hover::after{opacity:1}
.academy-tool__icon{font-size:.62rem;letter-spacing:.16em;border:1px solid #c8a96b55;border-radius:50%;width:34px;height:34px;display:grid;place-items:center}
.academy-tool strong{margin-top:auto;font-size:1rem}
.academy-tool small{color:#aaa;line-height:1.45;max-height:0;opacity:0;transform:translateY(5px);transition:.3s;overflow:hidden}
.academy-tool:hover small,.academy-tool:focus-visible small{max-height:50px;opacity:1;transform:none}
.academy-tool b{position:absolute;right:25px;top:25px;color:var(--academy-gold);font-weight:400}
.academy-protect{min-height:590px}
.academy-footer{padding:64px 0;text-align:center}
.academy-footer img{width:clamp(150px,18vw,220px);margin:0 auto 22px}
.academy-footer span{font-size:.72rem;letter-spacing:.12em}
@media(max-width:760px){
 .academy-hero{min-height:570px;padding:48px 0 58px;background-position:64% center}
 .academy-hero__content{max-width:100%}
 .academy-hero__logo{width:min(100%,clamp(260px,72vw,390px));margin-bottom:28px}
 .academy-hero__motto{font-size:clamp(38px,11vw,54px);margin-bottom:20px}
 .academy-lead{font-size:.98rem;line-height:1.55;max-width:95%}
 .academy-actions{margin-top:25px}
 .academy-actions .academy-button{padding:12px 16px}
 .academy-feature,.academy-feature--reverse{grid-template-columns:1fr;gap:30px}
 .academy-feature--reverse .academy-media{order:0}
 .academy-feature h2{font-size:clamp(2.15rem,11vw,3.4rem)}
 .academy-section--compact{padding-block:62px}
 .academy-section--compact .academy-shell{width:min(100% - 24px,1180px)}
 .academy-card[data-art]::after{display:none}
 .academy-tools{grid-template-columns:1fr 1fr}
 .academy-tool{min-height:170px;padding:20px}
 .academy-tool small{display:none}
 .academy-protect{min-height:560px}
}
@media(max-width:480px){.academy-tools{grid-template-columns:1fr}.academy-tool{min-height:145px}.academy-actions{display:grid}.academy-actions .academy-button{width:100%}}

/* Bitcoin path — shared lesson system */
.bitcoin-lesson{max-width:900px}.lesson-progress{padding:36px 0 8px}.lesson-progress>div{display:flex;justify-content:space-between;gap:20px;color:var(--academy-gold);font-size:.72rem;letter-spacing:.13em}.lesson-progress ol{display:grid;grid-template-columns:repeat(6,1fr);list-style:none;padding:0;margin:22px 0}.lesson-progress li{position:relative;text-align:center}.lesson-progress li::before{content:"";position:absolute;height:1px;background:#ffffff30;left:0;right:0;top:7px}.lesson-progress li:first-child::before{left:50%}.lesson-progress li:last-child::before{right:50%}.lesson-progress li span{position:relative;z-index:1;display:block;width:15px;height:15px;margin:auto;border:1px solid #8c867c;border-radius:50%;background:#080808}.lesson-progress li.is-current span,.lesson-progress li.is-done span{border-color:var(--academy-gold);background:var(--academy-gold);box-shadow:0 0 16px #c8a96b55}.lesson-progress small{display:block;margin-top:10px;color:#aaa}.lesson-hero>p{max-width:720px;color:#d1ccc1;line-height:1.75;font-size:1.12rem}.interactive{border:1px solid #c8a96b55;border-radius:28px;padding:clamp(22px,5vw,44px);margin:50px 0;background:radial-gradient(circle at 50% 0,#c8a96b12,transparent 48%)}.interactive h2{margin-top:0}.interaction-result{border-top:1px solid #ffffff20;padding-top:20px;color:#d8d1c4}.transfer>div,.concept-grid,.choice-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.transfer-card,.choice-row button,.roles-map button,.chain-row button{font:inherit;color:inherit;background:#ffffff05;border:1px solid #ffffff24;border-radius:18px;padding:22px;cursor:pointer}.transfer-card strong{display:block;color:var(--academy-gold);font-size:.7rem;letter-spacing:.12em;margin-bottom:22px}.transfer-card span{display:flex;justify-content:space-between;align-items:center;font-size:.83rem}.transfer-card i,.technical-flow i{color:var(--academy-gold);font-style:normal}.transfer-card.is-active{border-color:var(--academy-gold);box-shadow:0 0 24px #c8a96b12}.concept-block{margin:60px 0;border-block:1px solid #ffffff22;padding:40px 0}.concept-block img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:22px;margin-top:20px}.takeaway{border-left:2px solid var(--academy-gold);padding:20px 28px;margin:60px 0;background:#c8a96b0a}.takeaway span{color:var(--academy-gold);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase}.takeaway p{font-size:1.25rem}.roles-map{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;text-align:center}.roles-map strong{grid-column:1/-1;border:1px solid var(--academy-gold);border-radius:50%;width:180px;height:180px;display:grid;place-items:center;margin:0 auto 20px;color:var(--academy-gold)}.roles-map button[aria-pressed=true],.choice-row button:focus,.chain-row button[aria-expanded=true]{border-color:var(--academy-gold);background:#c8a96b14}.chain-row{display:flex;align-items:stretch;gap:12px}.chain-row button{flex:1;min-width:0}.chain-row button:not(:last-child)::after{content:" →";color:var(--academy-gold)}.chain-row small,.chain-row span{display:block;font-size:.6rem;margin-top:8px}.chain-row span{display:none}.chain.is-broken [data-block="102"]{border-style:dashed}.chain.is-broken [data-block="103"] span,.chain.is-broken [data-block="104"] span{display:block;color:#f3d290}.block-detail{margin-top:25px;padding:22px;background:#0005;border-radius:18px}.block-detail .academy-button{display:flex;margin-top:18px}.technical-flow,.key-flow{display:flex;align-items:center;justify-content:center;gap:25px;margin:30px 0}.technical-flow span,.key-flow span{border:1px solid #c8a96b77;padding:17px;border-radius:12px;text-align:center}.key-flow{flex-direction:column}.key-flow b{display:block;margin-top:8px;letter-spacing:.18em}.choice-row{grid-template-columns:repeat(3,1fr)}.revelation{margin-top:30px;padding:35px;border:1px solid var(--academy-gold);text-align:center}.revelation>*{display:block;margin:14px}.revelation>b{font-size:3rem;color:var(--academy-gold)}.lesson-image{margin:50px 0}.concept-grid section{border:1px solid #ffffff22;border-radius:22px;padding:28px}.complete-button{margin:20px 0}.path-complete,.next-path{margin:100px 0;padding:clamp(28px,7vw,65px);border:1px solid var(--academy-gold);text-align:center;background:radial-gradient(circle,#c8a96b12,transparent 68%)}.path-complete>span,.next-path>span{color:var(--academy-gold);letter-spacing:.16em}.path-complete h2{font-size:clamp(2.5rem,7vw,5rem);margin:20px}.path-complete>strong{font-size:2.5rem;color:var(--academy-gold)}.path-complete ul{text-align:left;list-style:none;max-width:620px;margin:30px auto;padding:0}.path-complete li{padding:8px}.final-test fieldset{border:1px solid #ffffff22;border-radius:20px;padding:25px;margin:18px 0}.final-test legend{font-weight:700;padding:0 8px}.final-test label{display:block;padding:10px;cursor:pointer}.final-test fieldset.is-wrong{border-color:#d7b677}.final-test fieldset p{color:#e4c98e}.final-test output{display:block;font-size:1.3rem;color:var(--academy-gold);margin:25px 0}.academy-note{font-size:.9rem;color:#aaa;border-left:1px solid #ffffff44;padding-left:18px}
@media(max-width:700px){.lesson-progress>div{display:block}.lesson-progress>div span{display:block;margin-top:8px}.transfer>div,.concept-grid,.choice-row,.roles-map{grid-template-columns:1fr}.roles-map strong{grid-column:auto;width:140px;height:140px}.transfer-card span,.technical-flow{flex-direction:column;gap:12px}.transfer-card i,.technical-flow i{transform:rotate(90deg)}.chain-row{flex-direction:column}.chain-row button:not(:last-child)::after{content:" ↓"}.lesson-hero>p{font-size:1rem}.interactive{border-radius:20px}.concept-grid section{padding:22px}}

/* Path 01 pedagogical interaction states */
.choice-row button[aria-pressed="true"]{border-color:var(--academy-gold);background:#c8a96b18;box-shadow:0 0 20px #c8a96b16}
.sim-stage{display:grid;grid-template-columns:auto minmax(70px,1fr) auto minmax(70px,1fr) auto;align-items:center;margin:30px 0;gap:10px}
.sim-participant{position:relative;border:1px solid #ffffff30;border-radius:14px;padding:17px;text-align:center;color:#aaa;transition:border-color .25s,background .25s,color .25s}
.sim-participant.is-active,.sim-stage[data-step="1"] .alice,.sim-stage[data-step="2"] .alice,.sim-stage[data-step="4"] .network,.sim-stage[data-step="5"] .network,.sim-stage[data-step="6"] .network,.sim-stage[data-step="6"] .bob{border-color:var(--academy-gold);background:#c8a96b14;color:var(--academy-paper);box-shadow:0 0 22px #c8a96b16}
.sim-path{position:relative;height:52px}.sim-line{position:absolute;left:0;right:0;top:50%;height:2px;background:#ffffff20}.sim-line::after{content:"";display:block;width:0;height:100%;background:var(--academy-gold);transition:width .45s ease}
.transaction-card{position:absolute;z-index:2;left:0;top:50%;padding:7px 9px;border:1px solid var(--academy-gold);border-radius:8px;background:#15130f;font-size:.58rem;white-space:nowrap;opacity:0;transform:translate(-10%,-50%);transition:opacity .25s,transform .45s}
.signature,.sim-nodes,.candidate-block,.confirmation{display:none}.signature{position:absolute;right:-8px;top:-16px;font-style:normal}.sim-nodes{position:absolute;inset:auto -14px -20px;color:var(--academy-gold);font-size:.55rem;letter-spacing:.18em}.candidate-block,.confirmation{margin-top:8px;font-size:.58rem;color:var(--academy-gold)}
.sim-stage[data-step="1"] .transaction-card,.sim-stage[data-step="2"] .transaction-card{opacity:1}.sim-stage[data-step="2"] .signature{display:block}.sim-stage[data-step="3"] .transaction-card,.sim-stage[data-step="4"] .transaction-card,.sim-stage[data-step="5"] .transaction-card,.sim-stage[data-step="6"] .transaction-card{opacity:1;transform:translate(calc(100% + 8px),-50%)}
.sim-stage[data-step="3"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="4"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="5"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="6"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="6"] .sim-path--bob .sim-line::after{width:100%}
.sim-stage[data-step="4"] .sim-nodes,.sim-stage[data-step="5"] .sim-nodes,.sim-stage[data-step="6"] .sim-nodes,.sim-stage[data-step="5"] .candidate-block,.sim-stage[data-step="6"] .candidate-block,.sim-stage[data-step="6"] .confirmation{display:block}
.sim-step{min-height:92px}.sim-step b{color:var(--academy-gold);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase}
.chain-row{gap:28px}.chain-block{position:relative;flex:1;min-width:0;padding:20px 10px;border:1px solid #ffffff2b;border-radius:15px;text-align:center}.chain-block:not(:last-child)::after{content:"→";position:absolute;right:-21px;color:var(--academy-gold)}.chain-block b,.chain-block span{display:block}.chain-block span{margin-top:8px;color:#bdb6aa;font-size:.66rem}.chain-block.is-selected{border-color:var(--academy-gold);background:#c8a96b0e}.chain.is-broken [data-block="102"]{border-style:dashed;border-color:#d79a61}.chain.is-broken [data-block="102"] span,.chain.is-broken [data-block="103"] span,.chain.is-broken [data-block="104"] span{color:#e1ae78}.chain.is-broken [data-block="102"]::after{content:"⚠";color:#d79a61}
.transaction-list p{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #ffffff18;padding:10px 0}.interaction-actions{display:flex;gap:10px;flex-wrap:wrap}.chain-feedback{margin-top:24px;border-top:1px solid #d79a6166;padding-top:18px}.chain-feedback aside{border-left:2px solid var(--academy-gold);padding:12px 18px;background:#c8a96b0a}.chain-feedback>small{display:block;color:#aaa;line-height:1.6;margin-top:16px}.technical-toggle{margin-top:18px;border:0;background:transparent;color:var(--academy-gold);font:inherit;font-size:.7rem;letter-spacing:.1em;text-decoration:underline;cursor:pointer}.technical-detail{margin-top:12px;padding:15px;border:1px solid #ffffff20;border-radius:12px;color:#aaa;font-size:.8rem}
.ownership-prompt{text-align:center;color:var(--academy-gold);letter-spacing:.12em;font-size:.7rem}.ownership-feedback{margin-top:25px;padding:22px;border-left:2px solid #d79a61;background:#d79a610c}.ownership-feedback strong{color:#e4c98e}.revelation{animation:academyReveal .35s ease both}
@keyframes academyReveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:700px){.sim-stage{grid-template-columns:1fr}.sim-path{height:45px}.sim-line{left:50%;right:auto;top:0;bottom:0;width:2px;height:auto}.sim-line::after{width:100%;height:0;transition:height .45s ease}.sim-stage[data-step="3"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="4"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="5"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="6"] .sim-path:first-of-type .sim-line::after,.sim-stage[data-step="6"] .sim-path--bob .sim-line::after{width:100%;height:100%}.transaction-card{left:50%;transform:translate(-50%,-30%)}.sim-stage[data-step="3"] .transaction-card,.sim-stage[data-step="4"] .transaction-card,.sim-stage[data-step="5"] .transaction-card,.sim-stage[data-step="6"] .transaction-card{transform:translate(-50%,45%)}.chain-row{gap:25px}.chain-block:not(:last-child)::after{content:"↓";right:50%;bottom:-24px}.chain.is-broken [data-block="102"]::after{content:"⚠"}.interaction-actions .academy-button{width:100%;white-space:normal}.transaction-list p{font-size:.9rem}}
@media(prefers-reduced-motion:reduce){.sim-participant,.sim-line::after,.transaction-card,.revelation{transition:none;animation:none}}

/* Path 02 — wallet course */
.wallet-lesson{max-width:900px}.wallet-lesson button{min-height:44px}.wallet-lesson button:focus-visible,.wallet-lesson a:focus-visible{outline:2px solid var(--academy-gold);outline-offset:3px}.wallet-tokens,.wallet-flow,.ledger-steps{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.wallet-tokens{margin:28px 0}.wallet-tokens button,.ledger-steps button{padding:16px 22px;color:inherit;background:#ffffff06;border:1px solid #ffffff2b;border-radius:14px;font:inherit;cursor:pointer}.wallet-reveal{margin-top:28px;padding:26px;border-top:1px solid #c8a96b55;animation:academyReveal .35s ease}.wallet-reveal>div{display:inline-flex;width:49%;flex-direction:column;align-items:center;gap:8px}.wallet-reveal i,.wallet-flow i,.restore-flow i{color:var(--academy-gold);font-style:normal}.wallet-reveal strong{color:var(--academy-gold)}.wallet-reveal aside,.risk-note{padding:20px;border-left:2px solid var(--academy-gold);background:#c8a96b0b}.wallet-flow{margin:28px 0}.wallet-flow span{padding:15px;border:1px solid #c8a96b66;border-radius:12px;text-align:center}.scenario-feedback{min-height:30px;margin:20px 0;color:#e4c98e}.withdrawal{animation:academyReveal .35s ease}.device-screen{display:flex;flex-direction:column;gap:10px;width:min(360px,100%);margin:25px auto;padding:24px;border:1px solid var(--academy-gold);border-radius:18px;background:#030303;text-align:center}.device-screen small{color:#aaa}.ledger-sim>img{display:block;width:min(300px,70%);height:140px;object-fit:contain;margin:0 auto 20px}.ledger-steps{align-items:stretch}.ledger-steps button{flex:1}.ledger-steps button.is-checked{border-color:var(--academy-gold);background:#c8a96b13}.risk-note{margin:35px 0}.key-map{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:center;align-items:center;margin:28px 0}.key-map span{border:1px solid #ffffff30;border-radius:12px;padding:15px}.key-map i,.key-map b{grid-column:1/-1;color:var(--academy-gold)}.sea-device{height:130px;display:flex;flex-direction:column;align-items:center;justify-content:end;font-size:3rem;animation:seaDrop 1.2s ease both}.sea-device span{color:#8ca4a9;font-size:1.4rem}.seed-backup{width:min(390px,100%);margin:25px auto;padding:25px;border:1px solid #c8a96b77;border-radius:18px;text-align:center}.seed-backup small,.seed-backup b{display:block}.seed-backup small{color:var(--academy-gold);margin-bottom:18px}.seed-backup b{letter-spacing:.14em;line-height:2}.restore-flow{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:25px;animation:academyReveal .35s ease}.restore-flow span{padding:14px;border:1px solid #c8a96b66;border-radius:12px}.path-complete p{max-width:650px;margin:25px auto 35px;line-height:1.7}
@keyframes seaDrop{from{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:none}}
@media(max-width:700px){.wallet-reveal>div{width:100%;margin:12px 0}.wallet-flow{flex-direction:column}.wallet-flow i{transform:rotate(90deg)}.ledger-steps{flex-direction:column}.key-map{grid-template-columns:1fr}.key-map i,.key-map b{grid-column:auto}.wallet-lesson .lesson-controls a{width:100%}}
@media(prefers-reduced-motion:reduce){.sea-device,.wallet-reveal,.withdrawal,.restore-flow{animation:none}}

/* Wallet path 02: recovery simulation and final check */
.wallet-concept{margin:55px 0;border:1px solid #c8a96b55;border-radius:28px;overflow:hidden;background:#050505}.wallet-concept img{display:block;width:100%;height:auto}.wallet-concept figcaption{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #c8a96b33}.wallet-concept figcaption span{padding:20px;text-align:center}.wallet-concept figcaption span+span{border-left:1px solid #ffffff18}.wallet-concept b,.wallet-concept small{display:block}.wallet-concept b{color:var(--academy-gold);font-size:.72rem;letter-spacing:.14em}.wallet-concept small{margin-top:8px;color:#c8c1b5;line-height:1.45}.restore-stage{text-align:center;min-height:390px;display:grid;place-items:center;align-content:center;gap:10px}.restore-stage h2,.restore-stage p{margin:5px auto;max-width:620px}.lost-wallet{font-size:5rem;animation:walletDisappear 1.2s ease both}.blank-wallet{width:105px;height:155px;border:2px solid #c8a96b;border-radius:17px;padding:13px;margin-bottom:12px}.blank-wallet span{display:block;height:52px;border:1px solid #ffffff35;border-radius:6px;background:#ffffff06}.restore-animation{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;margin-top:25px;color:var(--academy-gold);font-size:.72rem;letter-spacing:.1em}.restore-animation span{padding:12px;border:1px solid #c8a96b66;border-radius:10px}.restore-animation i{position:relative;width:75px;height:1px;background:#ffffff20;overflow:hidden}.restore-animation i::after{content:"";position:absolute;inset:0;background:var(--academy-gold);transform:translateX(-100%);animation:restorePulse .75s ease infinite}.restore-success{display:grid;place-items:center;width:80px;height:80px;border:1px solid var(--academy-gold);border-radius:50%;color:var(--academy-gold);font-size:2.5rem;box-shadow:0 0 30px #c8a96b33}.restore-essential{display:block;margin:25px auto 10px;color:var(--academy-gold);font-size:clamp(1.35rem,3vw,2rem);line-height:1.35}.final-quiz{margin:80px 0;scroll-margin-top:25px}.final-quiz>header{text-align:center;margin-bottom:30px}.final-quiz>header h2{font-size:clamp(1.3rem,3vw,2rem);font-weight:400}.final-progress{display:flex;align-items:center;gap:18px;color:var(--academy-gold);font-weight:700}.final-progress i{height:2px;flex:1;background:linear-gradient(90deg,var(--academy-gold) var(--final-progress),#ffffff20 var(--final-progress))}.final-card{margin-top:20px;padding:clamp(24px,5vw,45px);border:1px solid #c8a96b77;border-radius:28px;background:linear-gradient(145deg,#c8a96b0c,transparent)}.final-card h3{font-size:clamp(1.4rem,3vw,2.2rem)}.final-card .quiz-options button.is-correct{border-color:#c8a96b;background:#c8a96b1b}.final-card .quiz-options button.is-wrong{border-color:#a86955;background:#a8695518}.final-feedback{min-height:54px;line-height:1.6;color:#d8d1c4}.final-feedback b{color:var(--academy-gold)}.result-screen{margin:0}.result-screen .next-path{margin:45px auto 30px;padding:30px;max-width:700px;border-color:#c8a96b66}.result-screen .next-path h3{font-size:clamp(1.5rem,4vw,2.8rem);margin:12px}.result-screen .next-path small{color:#c9c2b5}.result-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
@keyframes walletDisappear{0%{opacity:1;transform:translateY(0)}70%{opacity:.35;transform:translateY(18px) rotate(8deg)}100%{opacity:0;transform:translateY(30px) rotate(12deg)}}@keyframes restorePulse{to{transform:translateX(100%)}}
@media(max-width:700px){.wallet-concept img{width:100%}.wallet-concept figcaption{grid-template-columns:1fr}.wallet-concept figcaption span+span{border-left:0;border-top:1px solid #ffffff18}.restore-stage{min-height:440px}.restore-animation{flex-direction:column}.restore-animation i{width:1px;height:35px}.result-actions{flex-direction:column}.result-actions>*{width:100%}}
@media(prefers-reduced-motion:reduce){.lost-wallet,.restore-animation i::after{animation:none}.lost-wallet{opacity:.2}}