.course-hero{border-bottom:1px solid var(--hair);background:#fff}
.course-hero[hidden]{display:none}
.course-hero-inner{max-width:75rem;margin:0 auto;padding:66px 28px 50px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);gap:68px;align-items:center}
.course-hero-copy{min-width:0}
.course-index{display:flex;align-items:center;gap:12px;margin:0 0 46px;color:var(--faint);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.course-index::after{content:'';height:1px;width:86px;background:var(--hair)}
.course-index span{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;letter-spacing:0;font-size:11px}
.course-hero h1{max-width:42rem;font-size:52px;line-height:1.03;letter-spacing:-.038em;margin:0 0 21px}
.course-hero .lede{max-width:37rem;font-size:20px;line-height:1.52;margin:0 0 30px}
.course-deck{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.course-chip{display:inline-flex;align-items:baseline;gap:6px;padding:7px 10px;border:1px solid var(--hair);border-radius:7px;background:var(--paper);color:var(--muted);font-size:12px;font-weight:600}
.course-chip b{color:var(--ink);font-size:14px}
.hero-jump{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-size:14px;font-weight:700}
.hero-jump span{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--hair);border-radius:50%;transition:transform .18s,border-color .18s}
.hero-jump:hover{text-decoration:none}
.hero-jump:hover span{transform:translateY(3px);border-color:var(--ink)}
.dispatch-lab{padding:25px 25px 22px;border:1px solid var(--hair);border-radius:18px;background:var(--paper);box-shadow:0 22px 50px rgba(0,88,113,.08)}
.lab-topline{display:flex;justify-content:space-between;gap:14px;color:var(--faint);font-size:10px;letter-spacing:.11em;text-transform:uppercase;font-weight:700}
.dispatch-lab h2{font-size:25px;line-height:1.15;margin:24px 0 7px}
.dispatch-lab>p{font-size:13.5px;line-height:1.55;color:var(--muted);margin:0 0 28px;max-width:32rem}
.stack-axis{display:flex;justify-content:space-between;padding:0 0 6px;color:var(--faint);font-size:9.5px;font-variant-numeric:tabular-nums}
.stack-track{position:relative;display:flex;width:100%;height:74px;background:repeating-linear-gradient(90deg,#fff 0,#fff calc(25% - 1px),var(--hair) 25%);border:1px solid var(--hair);overflow:visible}
.stack-track>span:not(.limit-line){display:grid;place-items:center;min-width:0;transition:width .35s,opacity .25s,transform .35s}
.stack-track i{font-style:normal;font-size:12px;font-weight:800;color:#fff}
.stack-baseline{width:60%;background:var(--accent)}
.stack-reserve{width:40%;background:var(--green)}
.stack-extra{width:0;background:var(--alert);opacity:0;transform:scaleX(0);transform-origin:left}
.dispatch-lab.over .stack-extra{width:20%;opacity:1;transform:scaleX(1)}
.limit-line{position:absolute;left:100%;top:-8px;bottom:-8px;width:2px;background:var(--ink);z-index:3}
.limit-line::before{content:'limit';position:absolute;right:5px;top:-17px;color:var(--ink);font:700 9px/1 Inter,sans-serif;text-transform:uppercase;letter-spacing:.08em}
.stack-key{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0 20px;font-size:10.5px;color:var(--muted)}
.stack-key span{display:flex;align-items:center;gap:5px}
.stack-key i{width:8px;height:8px;border-radius:2px}.stack-key .base{background:var(--accent)}.stack-key .reserve{background:var(--green)}.stack-key .extra{background:var(--alert)}
.lab-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border:1px solid var(--hair);border-radius:9px;background:#fff;color:var(--ink);font:700 12.5px/1 Inter,sans-serif;cursor:pointer}
.lab-toggle i{position:relative;width:30px;height:18px;border-radius:99px;background:var(--hair);transition:background .2s}
.lab-toggle i::after{content:'';position:absolute;top:3px;left:3px;width:12px;height:12px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.15);transition:transform .2s}
.lab-toggle[aria-pressed="true"] i{background:var(--alert)}
.lab-toggle[aria-pressed="true"] i::after{transform:translateX(12px)}
.lab-verdict{display:grid;grid-template-columns:1fr;gap:1px;margin-top:14px;padding-top:14px;border-top:1px solid var(--hair)}
.lab-verdict b{font-size:13px;color:var(--ink)}
.lab-verdict span{font-size:11.5px;line-height:1.45;color:var(--muted)}
.dispatch-lab.over .lab-verdict b{color:var(--alert)}
.course-trust{max-width:75rem;margin:0 auto;padding:18px 28px;display:flex;align-items:center;gap:18px;color:var(--faint);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase}
.course-trust b{color:var(--ink);font-size:11px;letter-spacing:.1em}.course-trust span:last-child{margin-left:auto}
.course-shell{max-width:70rem;margin:0 auto;padding:0 28px}
.route-chooser{padding:64px 28px 72px}
.route-heading-row{display:grid;grid-template-columns:minmax(260px,.75fr) minmax(300px,1.25fr);gap:46px;align-items:end}
.route-heading-row .kicker{margin-bottom:8px}
.route-chooser h2{margin:0;font-size:32px;letter-spacing:-.025em}
.route-intro{max-width:37rem;color:var(--muted);margin:0 0 2px}
.route-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:34px 0 0}
.route-card{position:relative;display:flex;flex-direction:column;min-height:370px;padding:29px;border:1px solid var(--hair);border-radius:16px;background:#fff;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s}
.route-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,88,113,.08);border-color:#aac0c5}
.route-card.recommended{border-color:var(--ink);box-shadow:inset 0 3px 0 var(--ink)}
.route-card-top{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:24px}
.route-number{font-size:38px;line-height:1;color:#c8d6d6;font-weight:600;letter-spacing:-.04em}
.route-card .route-label{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:700;margin:0;text-align:right}
.route-card h3{font-size:28px;line-height:1.15;letter-spacing:-.025em;margin:0 0 10px}
.route-card p{color:var(--muted);margin:0 0 15px;max-width:29rem}
.route-card ul{padding-left:18px;margin:0 0 22px;color:var(--muted);font-size:13.5px}
.route-card li{margin:4px 0}
.route-depth{display:grid;grid-template-columns:repeat(9,1fr);gap:4px;margin:auto 0 20px}
.route-depth>*{height:5px;border-radius:4px;background:var(--hair)}
.route-depth span{background:var(--accent)}
.route-depth.full span{background:var(--ink)}
.route-card .route-action{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;border-top:1px solid var(--hair)}
.route-card .time{font-size:12.5px;color:var(--faint);font-weight:600}
.route-btn,.quiz-btn{appearance:none;border:0;cursor:pointer;font:inherit;background:var(--ink);color:#fff;padding:11px 17px;border-radius:8px;font-size:13.5px;font-weight:700}
.route-btn:hover,.quiz-btn:hover{background:#0f204a}
.route-btn:focus-visible,.quiz-btn:focus-visible,.answer-option:focus-within,.lesson-nav a:focus-visible,.module-next:focus-visible{outline:3px solid rgba(0,97,163,.28);outline-offset:2px}
.returning{display:none;margin:20px 0 0;padding:14px 16px;border:1px solid var(--hair);border-radius:10px;background:var(--wash);font-size:14px;color:var(--muted)}
.returning.show{display:flex;align-items:center;justify-content:space-between;gap:14px}
.returning b{color:var(--ink)}
.text-button{appearance:none;border:0;background:transparent;color:var(--accent);font:inherit;font-size:13px;font-weight:700;cursor:pointer;padding:4px}
.course-view{padding:0 0 30px}
.course-view[hidden]{display:none}
.course-toolbar{position:sticky;top:58px;z-index:40;background:rgba(244,245,240,.96);backdrop-filter:blur(9px);border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.course-toolbar .course-shell{display:flex;align-items:center;gap:18px;min-height:58px}
.course-title-mini{min-width:0;font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.course-title-mini span{display:block;color:var(--faint);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.progress-track{height:5px;flex:1;min-width:100px;background:#dfe6e3;border-radius:99px;overflow:hidden}
.progress-fill{height:100%;width:0;background:var(--green);transition:width .25s ease}
.progress-copy{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.switch-route{appearance:none;border:1px solid var(--hair);background:#fff;color:var(--ink);border-radius:7px;padding:7px 10px;font:inherit;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
.lesson-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start;padding-top:44px}
.lesson-nav{position:sticky;top:136px;border-left:1px solid var(--hair);padding-left:18px}
.lesson-nav .nav-label{font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);font-weight:700;margin:0 0 10px}
.lesson-nav ol{list-style:none;padding:0;margin:0}
.lesson-nav li{margin:0}
.lesson-nav a{position:relative;display:block;padding:8px 0 8px 2px;color:var(--muted);font-size:12.5px;line-height:1.3}
.lesson-nav a::before{content:'';position:absolute;left:-23px;top:14px;width:8px;height:8px;border:2px solid var(--paper);border-radius:50%;background:#b8c8c9;box-shadow:0 0 0 1px var(--hair)}
.lesson-nav a:hover{text-decoration:none;color:var(--ink)}
.lesson-nav a.current{color:var(--ink);font-weight:700}
.lesson-nav a.current::before{background:var(--green);box-shadow:0 0 0 2px rgba(0,155,116,.18)}
.lesson-nav a.done::after{content:' ✓';color:var(--green)}
.lesson-stream{min-width:0;max-width:52rem}
.route-heading{margin:0 0 30px;padding-bottom:24px;border-bottom:1px solid var(--hair)}
.route-heading .kicker{margin-bottom:9px}
.route-heading h2{font-size:30px;line-height:1.18;margin:0 0 12px}
.route-heading p{color:var(--muted);max-width:43rem}
.lesson{position:relative;scroll-margin-top:138px;padding:38px 40px 34px;margin:0 0 22px;border:1px solid var(--hair);border-radius:16px;background:#fff;overflow:hidden}
.lesson:last-of-type{border:1px solid var(--hair)}
.lesson::after{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent) 0 34%,var(--green) 34% 68%,var(--hair) 68%)}
.lesson-number{display:inline-flex;align-items:center;gap:8px;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);font-weight:700;margin:0 0 10px}
.lesson-number::before{content:'';display:block;width:18px;height:2px;background:var(--green)}
.lesson h2{font-size:28px;margin:0 0 15px}
.lesson h3{margin-top:28px}
.lesson p,.lesson li{color:#244e5d}
.lesson strong{color:var(--ink)}
.lesson ul,.lesson ol{padding-left:21px}
.lesson li{margin:7px 0}
.one-line{font-size:20px;line-height:1.45;color:var(--ink)!important;font-weight:500;letter-spacing:-.01em}
.hostile-check{margin:24px 0;padding:18px 20px;border:1px solid rgba(155,27,48,.25);border-left:4px solid var(--alert);border-radius:10px;background:#fdf8f8}
.hostile-check .hc-label{display:block;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--alert);font-weight:800;margin-bottom:7px}
.hostile-check p:last-child{margin-bottom:0}
.principle{margin:24px 0;padding:20px;border:1px solid #bed3df;border-radius:12px;background:#f5f9fb}
.principle b{display:block;margin-bottom:5px}
.formula{margin:22px 0;padding:18px 20px;border-radius:10px;background:#fff;border:1px solid var(--hair);font:600 16px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);overflow-x:auto}
.layer-flow{display:grid;grid-template-columns:1fr 20px 1fr 20px 1fr 20px 1fr;align-items:stretch;margin:27px 0 23px}
.layer-flow>div{display:flex;flex-direction:column;min-width:0;padding:15px 13px;border:1px solid var(--hair);border-radius:10px;background:var(--paper)}
.layer-flow>i{display:grid;place-items:center;color:var(--faint);font-style:normal}
.layer-flow span{font-size:9px;color:var(--faint);font-weight:800;letter-spacing:.12em}
.layer-flow b{font-size:13px;margin:11px 0 5px;line-height:1.25}
.layer-flow small{font-size:10.5px;line-height:1.4;color:var(--muted)}
.bm-visual{margin:25px 0;padding:20px;border:1px solid var(--hair);border-radius:12px;background:var(--paper)}
.bm-axis{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin:0 0 15px;font-size:9.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.09em}
.bm-axis b{text-align:center;color:var(--ink);font-size:9px}.bm-axis span:last-child{text-align:right}
.bm-row{display:grid;grid-template-columns:72px 1fr;gap:11px;align-items:center;margin:9px 0;font-size:10px;color:var(--faint);text-transform:uppercase;letter-spacing:.07em}
.bm-row>div{position:relative;height:35px;background:linear-gradient(90deg,#fff 0,#fff calc(50% - 1px),var(--ink) 50%,var(--ink) calc(50% + 1px),#fff calc(50% + 1px));border:1px solid var(--hair)}
.bm-row i{position:absolute;right:50%;top:0;bottom:0;background:var(--accent)}
.bm-row .charge-fpn{width:40%}.bm-row .charge-after{width:10%}
.bm-row em{position:absolute;right:52%;top:9px;color:#fff;font-style:normal;font-size:9px;font-weight:700;white-space:nowrap}
.bm-row.action em{color:var(--ink);right:61%}
.bm-row strong{position:absolute;left:52%;top:9px;color:var(--ink);font-size:9px;white-space:nowrap}
.constraint-compare{display:grid;gap:13px;margin:24px 0;padding:20px;border:1px solid var(--hair);border-radius:12px;background:var(--paper)}
.constraint-row{display:grid;grid-template-columns:105px 1fr 46px;gap:14px;align-items:center}
.constraint-row>div:first-child{display:flex;flex-direction:column}.constraint-row b{font-size:13px}.constraint-row span{font-size:10.5px;color:var(--muted)}
.constraint-track{position:relative;height:18px;border:1px solid var(--hair);background:#fff}
.constraint-track i,.constraint-track em{position:absolute;left:0;top:0;bottom:0;background:var(--green)}
.constraint-track em{left:100%;background:var(--alert);font-style:normal}
.constraint-row>strong{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink)}
.constraint-row.fail .constraint-track i{background:var(--accent)}.constraint-row.fail>strong{color:var(--alert)}
.calc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:22px 0;background:var(--hair);border:1px solid var(--hair);border-radius:12px;overflow:hidden}
.calc-cell{padding:18px;background:#fff}
.calc-cell span{display:block;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:700;margin-bottom:6px}
.calc-cell b{font-size:21px;font-variant-numeric:tabular-nums}
.value-table{overflow-x:auto;margin:20px 0}
.value-table table{min-width:580px;margin:0;background:#fff;border:1px solid var(--hair)}
.module-actions{display:flex;justify-content:flex-end;margin-top:25px}
.module-next{appearance:none;border:1px solid var(--hair);background:#fff;color:var(--ink);border-radius:8px;padding:9px 13px;font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.module-next:hover{border-color:var(--ink)}
.assessment-launch{margin:10px 0 40px;padding:28px;border:1px solid var(--ink);border-radius:14px;background:#fff}
.assessment-launch h2{margin:0 0 8px}
.assessment-launch p{color:var(--muted);max-width:39rem}
.assessment-meta{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 20px;font-size:12.5px;color:var(--muted)}
.assessment-meta span{padding:5px 8px;border-radius:6px;background:var(--wash)}
.quiz-panel{margin:32px 0 54px;border:1px solid var(--hair);border-radius:16px;background:#fff;overflow:hidden}
.quiz-panel[hidden]{display:none}
.quiz-head{padding:18px 22px;border-bottom:1px solid var(--hair);display:flex;justify-content:space-between;gap:18px;align-items:center}
.quiz-head b{font-size:14px}
.quiz-head span{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.quiz-meter{height:4px;background:var(--wash)}
.quiz-meter div{height:100%;width:0;background:var(--accent);transition:width .2s ease}
.quiz-body{padding:28px 28px 22px}
.question-kicker{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);font-weight:800;margin-bottom:10px}
.question-text{font-size:21px;line-height:1.4;font-weight:600;letter-spacing:-.01em;color:var(--ink);margin:0 0 22px}
.answer-list{display:grid;gap:10px;border:0;padding:0;margin:0}
.answer-option{display:grid;grid-template-columns:30px 1fr;align-items:start;gap:10px;padding:14px 16px;border:1px solid var(--hair);border-radius:10px;cursor:pointer;color:#244e5d;background:#fff;transition:border-color .12s,background .12s}
.answer-option:hover{border-color:#9fb8bf;background:#fbfcfa}
.answer-option.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:#f6fafc}
.answer-option input{margin:4px 0 0;width:17px;height:17px;accent-color:var(--accent)}
.option-letter{display:inline-flex;align-items:center;justify-content:center;width:25px;height:25px;border:1px solid var(--hair);border-radius:50%;font-size:11px;font-weight:800;color:var(--muted)}
.answer-option.selected .option-letter{background:var(--accent);border-color:var(--accent);color:#fff}
.quiz-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px}
.quiz-btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--hair)}
.quiz-btn:disabled{cursor:not-allowed;opacity:.42}
.quiz-error{min-height:20px;margin:12px 0 0;color:var(--alert);font-size:13px}
.result-panel{padding:30px}
.result-panel[hidden]{display:none}
.result-hero{display:grid;grid-template-columns:132px 1fr;gap:28px;align-items:center;padding-bottom:28px;border-bottom:1px solid var(--hair)}
.score-ring{--score:0;display:grid;place-items:center;width:124px;height:124px;border-radius:50%;background:conic-gradient(var(--green) calc(var(--score)*1%),var(--wash) 0);position:relative}
.score-ring::before{content:'';position:absolute;inset:10px;border-radius:50%;background:#fff}
.score-ring b{position:relative;font-size:28px;line-height:1;font-variant-numeric:tabular-nums}
.result-copy .result-label{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);font-weight:800;margin-bottom:7px}
.result-copy h3{font-size:28px;margin:0 0 8px}
.result-copy p{color:var(--muted);margin:0}
.review-list{margin:28px 0 0}
.review-item{padding:18px 0;border-bottom:1px solid var(--hair)}
.review-item:last-child{border-bottom:0}
.review-item .review-status{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:800;margin-bottom:6px}
.review-item.correct .review-status{color:var(--ink)}
.review-item.incorrect .review-status{color:var(--alert)}
.review-item h4{margin:0 0 7px;font-size:15px;color:var(--ink)}
.review-item p{margin:0;color:var(--muted);font-size:14px}
.result-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.completion-note{margin:22px 0 0;font-size:12.5px;color:var(--faint)}
.source-drawer{margin:30px 0 0;border-top:1px solid var(--hair);padding-top:20px}
.source-drawer summary{cursor:pointer;font-size:13px;font-weight:700;color:var(--ink)}
.source-drawer ul{font-size:13px;color:var(--muted)}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media(max-width:850px){
 .course-hero-inner{grid-template-columns:1fr;gap:42px;padding-top:52px}
 .course-hero-copy{max-width:43rem}
 .dispatch-lab{max-width:36rem}
 .route-heading-row{grid-template-columns:1fr;gap:14px}
 .lesson-layout{grid-template-columns:1fr;gap:0}
 .lesson-nav{display:none}
 .lesson-stream{max-width:46rem;margin:0 auto;width:100%}
 .layer-flow{grid-template-columns:1fr 16px 1fr}
 .layer-flow>i:nth-of-type(2){display:none}
 .layer-flow>div:nth-of-type(3){margin-top:16px;grid-column:1}
 .layer-flow>i:nth-of-type(3){margin-top:16px;grid-column:2}
 .layer-flow>div:nth-of-type(4){margin-top:16px;grid-column:3}
}
@media(max-width:720px){
 .course-shell{padding:0 18px}
 .course-hero-inner{padding:40px 18px 34px}
 .course-hero h1{font-size:40px}
 .course-hero .lede{font-size:18px}
 .course-index{margin-bottom:34px}
 .course-trust{padding:14px 18px;gap:12px;flex-wrap:wrap}
 .course-trust span:last-child{width:100%;margin-left:0}
 .route-chooser{padding:48px 18px 56px}
 .route-grid{grid-template-columns:1fr}
 .route-card{min-height:0;padding:22px}
 .course-toolbar{position:static}
 .course-toolbar .course-shell{gap:10px;min-height:54px}
 .course-title-mini{display:none}
 .progress-copy{font-size:11px}
 .lesson-layout{padding-top:32px}
 .route-heading h2{font-size:25px}
 .lesson h2{font-size:24px}
 .lesson{padding:30px 28px}
 .calc-grid{grid-template-columns:1fr}
 .result-hero{grid-template-columns:1fr;text-align:center}
 .score-ring{margin:0 auto}
}
@media(max-width:520px){
 .course-hero h1{font-size:34px}
 .course-index::after{width:45px}
 .dispatch-lab{padding:20px 17px;border-radius:14px;box-shadow:none}
 .dispatch-lab h2{font-size:22px}
 .stack-track{height:61px}
 .course-trust b{font-size:10px}
 .course-deck{gap:6px}
 .course-chip{font-size:11.5px}
 .route-card h3{font-size:22px}
 .course-toolbar .course-shell{padding:0 14px}
 .switch-route{padding:6px 8px}
 .lesson{padding-bottom:24px;margin-bottom:26px}
 .lesson{padding:26px 18px 24px;border-radius:13px}
 .layer-flow{grid-template-columns:1fr;gap:8px}
 .layer-flow>div,.layer-flow>div:nth-of-type(3),.layer-flow>div:nth-of-type(4){grid-column:1;margin:0}
 .layer-flow>i{display:none!important}
 .bm-visual{padding:15px 11px}
 .bm-row{grid-template-columns:62px 1fr}
 .bm-row strong{font-size:8px}
 .constraint-row{grid-template-columns:82px 1fr 38px;gap:8px}
 .one-line{font-size:18px}
 .quiz-body{padding:22px 16px 18px}
 .quiz-head{padding:15px 16px}
 .question-text{font-size:18px}
 .answer-option{padding:12px}
 .result-panel{padding:22px 16px}
}
@media(prefers-reduced-motion:reduce){
 *{scroll-behavior:auto!important}
 .progress-fill,.quiz-meter div,.answer-option{transition:none}
}
@media print{
 header.site,footer.site,.course-toolbar,.route-chooser,.module-actions,.assessment-launch,.quiz-panel{display:none!important}
 .course-view[hidden]{display:block!important}
 .lesson-layout{display:block}
 .lesson-nav{display:none}
 .lesson{break-inside:avoid;border-color:#bbb}
 body{background:#fff;color:#111}
}


/* Shared course-series additions */
.decision-lab{padding:25px 24px;border:1px solid var(--hair);border-radius:18px;background:var(--paper);box-shadow:0 20px 50px rgba(0,38,56,.08)}
.decision-lab .lab-topline{display:flex;justify-content:space-between;gap:16px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:700}
.decision-lab h2{font-size:25px;line-height:1.15;margin:18px 0 8px;letter-spacing:-.02em}
.decision-lab>p{color:var(--muted);font-size:13.5px;line-height:1.5}
.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:20px 0 16px}
.evidence-cell{min-height:86px;padding:11px 10px;border:1px solid var(--hair);border-radius:9px;background:#fff}
.evidence-cell span{display:block;font-size:9px;line-height:1.25;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);font-weight:700}
.evidence-cell b{display:block;margin-top:11px;font-size:14px;line-height:1.2;color:var(--ink)}
.decision-lab.revealed .evidence-cell{border-color:#a6c9bd}
.decision-lab.revealed .lab-toggle i{background:var(--green)}
.decision-lab .lab-verdict b{color:var(--alert)}
.decision-lab.revealed .lab-verdict b{color:var(--green)}
.lab-native{margin-top:14px;border-top:1px solid var(--hair);padding-top:14px}
.lab-native summary{list-style:none;cursor:pointer;padding:12px 14px;border:1px solid var(--hair);border-radius:9px;background:#fff;color:var(--ink);font-size:12.5px;font-weight:700}
.lab-native summary::-webkit-details-marker{display:none}
.lab-native summary::after{content:'+';float:right;color:var(--accent);font-size:17px;line-height:.8}
.lab-native[open] summary::after{content:'−'}
.lab-native .lab-verdict{margin-top:14px}
.lab-native .lab-verdict b{color:var(--alert)}
.lesson-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:22px 0;background:var(--hair);border:1px solid var(--hair);border-radius:12px;overflow:hidden}
.lesson-fact{padding:17px;background:#fff}
.lesson-fact span{display:block;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:700}
.lesson-fact b{display:block;margin-top:7px;font-size:16px;line-height:1.25}
.course-sequence{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:34px 0 0;padding:18px 20px;border:1px solid var(--hair);border-radius:12px;background:#fff}
.course-sequence span{font-size:12px;color:var(--muted)}
.course-sequence a{font-size:13px;font-weight:700;color:var(--accent)}
.series-note{margin:18px 0 0;color:var(--faint);font-size:12px}
@media(max-width:720px){
 .evidence-grid,.lesson-facts{grid-template-columns:1fr}
 .evidence-cell{min-height:0}
 .course-sequence{align-items:flex-start;flex-direction:column}
}