:root{--navy-900:#0a0e26;--navy-800:#11173d;--navy-700:#182154;--navy-600:#1f2a6b;--navy-500:#2c3e87;--navy-400:#4f649f;--navy-300:#7c8bb8;--navy-200:#a9b3d0;--navy-100:#d6dae9;--navy-50:#eef0f7;--orange-700:#a36119;--orange-600:#d27d20;--orange-500:#f39732;--orange-400:#f6a040;--orange-300:#f8a849;--orange-200:#fbc685;--orange-100:#fde2c1;--orange-50:#fef5e9;--cream:#faf6ee;--charcoal:#1a1a1a;--white:#fff;--green-600:#0e9f6e;--green-50:#e7f7f0;--red-500:#e3543c;--red-50:#fdecea;--font-display:"Geist","Inter",system-ui,sans-serif;--font-body:"Inter",system-ui,sans-serif;--r-md:.5rem;--r-lg:.75rem;--r-xl:1rem;--r-2xl:1.5rem;--shadow-sm:0 1px 2px rgba(10,14,38,.06), 0 1px 3px rgba(10,14,38,.05);--shadow-md:0 4px 14px rgba(10,14,38,.08), 0 2px 4px rgba(10,14,38,.05);--shadow-lg:0 18px 40px -12px rgba(10,14,38,.22)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--navy-800);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;background:radial-gradient(1200px 520px at 82% -12%,var(--orange-50),transparent 60%),var(--cream)}a{color:inherit;text-decoration:none}.muted{color:var(--navy-400)}.appbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:1rem;padding:.8rem 1.4rem;background:#faf6eed9;backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--navy-100)}.brand{display:flex;align-items:center;gap:.6rem}.brand .word{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;font-size:1.12rem;color:var(--navy-900)}.brand .word span{color:var(--navy-400);font-weight:600}.appbar .spacer{flex:1}.appbar .navlink{font-size:.86rem;font-weight:600;color:var(--navy-500);padding:.4rem .7rem;border-radius:var(--r-md)}.appbar .navlink:hover{background:var(--navy-50);color:var(--navy-800)}.container{max-width:1100px;margin:0 auto;padding:2rem 1.4rem 4rem}.chip{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-display);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--orange-700);background:var(--orange-50);border:1px solid var(--orange-100);padding:.3rem .6rem;border-radius:99px}.chip.int{color:var(--navy-600);background:var(--navy-50);border-color:var(--navy-100);text-transform:none;letter-spacing:0}.hero{margin-bottom:2.4rem}.hero .eyebrow{color:var(--orange-600);font-family:var(--font-display);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.09em}.hero h1{font-family:var(--font-display);font-weight:700;font-size:2.6rem;line-height:1.1;letter-spacing:-.025em;color:var(--navy-900);margin-top:.5rem}.hero p{font-size:1.12rem;color:var(--navy-600);margin-top:.7rem;max-width:62ch}.course{margin-top:2.2rem}.course>h2{font-family:var(--font-display);font-weight:700;font-size:1.5rem;color:var(--navy-900)}.course>p{color:var(--navy-500);margin-top:.25rem;max-width:70ch}.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin-top:1.1rem}.module-card{position:relative;background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-xl);padding:1.1rem 1.15rem 1.2rem;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .16s ease,box-shadow .16s ease}.module-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--orange-400)}.module-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.module-card h3{font-family:var(--font-display);font-weight:700;font-size:1.08rem;color:var(--navy-900);margin:.6rem 0 .35rem}.player{display:grid;grid-template-columns:280px minmax(0,1fr);gap:2rem;max-width:1180px;margin:0 auto;padding:1.4rem 1.4rem 4rem}.rail{position:sticky;top:78px;align-self:start;max-height:calc(100vh - 96px);overflow:auto}.rail .back{font-size:.82rem;font-weight:600;color:var(--navy-400)}.rail h4{font-family:var(--font-display);font-size:.9rem;color:var(--navy-800);margin:.7rem 0 1rem;line-height:1.3}.rail ol{list-style:none;display:flex;flex-direction:column;gap:.1rem}.rail li{display:flex;align-items:center;gap:.65rem;padding:.5rem .55rem;border-radius:var(--r-md);font-size:.84rem;color:var(--navy-500);cursor:pointer}.rail li .num{width:22px;height:22px;flex:none;border-radius:50%;border:1.5px solid var(--navy-200);display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:600;color:var(--navy-300)}.rail li:hover:not(.active){background:var(--navy-50)}.rail li.active{background:var(--white);color:var(--navy-900);font-weight:600;box-shadow:var(--shadow-sm)}.rail li.active .num{background:var(--orange-500);border-color:var(--orange-500);color:#fff}.stage{display:flex;flex-direction:column;min-height:calc(100vh - 120px)}.slide{flex:1 1 auto;display:flex;align-items:center}.slide-inner{width:100%;max-width:840px;margin:0 auto}.question-slide .slide-inner{max-width:680px}.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.09em;color:var(--orange-600);margin-bottom:.6rem}.eyebrow .tick{width:18px;height:2px;background:var(--orange-400);border-radius:2px}.screen-title{font-family:var(--font-display);font-weight:700;font-size:2rem;line-height:1.14;letter-spacing:-.02em;color:var(--navy-900)}.meta{display:flex;align-items:center;gap:.8rem;margin:.7rem 0 1.3rem}.visual-slot{display:flex;align-items:center;gap:1rem;background:linear-gradient(180deg,var(--white),#fffdf8);border:1.5px dashed var(--navy-200);border-radius:var(--r-2xl);padding:1.1rem 1.2rem;margin-bottom:1.3rem}.visual-slot .vs-icon{font-size:1.6rem}.visual-slot .vs-tag{margin-left:auto;font-size:.72rem;font-weight:600;color:var(--orange-700);background:var(--orange-50);border:1px solid var(--orange-100);border-radius:99px;padding:.3rem .65rem;white-space:nowrap}.prose{background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-xl);padding:1.2rem 1.3rem;box-shadow:var(--shadow-sm)}.prose p{color:var(--navy-700);font-size:1.02rem}.note{margin-top:1rem;font-size:.86rem;color:var(--navy-400);border-left:3px solid var(--orange-200);padding-left:.7rem}.pager{display:flex;align-items:center;gap:1rem;margin-top:auto;padding-top:1.3rem;border-top:1px solid var(--navy-100)}.pager #progress{margin:0 auto;font-size:.85rem}.btn{font-family:var(--font-display);font-weight:600;font-size:.92rem;border-radius:var(--r-lg);padding:.62rem 1.05rem;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;gap:.45rem}.btn.ghost{background:transparent;color:var(--navy-500);border-color:var(--navy-200)}.btn.ghost:hover:not(:disabled){background:var(--navy-50);color:var(--navy-800)}.btn.primary{background:var(--orange-500);color:#fff;box-shadow:0 6px 14px -4px #f397328c}.btn.primary:hover:not(:disabled){background:var(--orange-600)}.btn:disabled{opacity:.4;cursor:default}@media(max-width:880px){.player{grid-template-columns:1fr}.rail{position:static;max-height:none}.rail ol{max-height:240px;overflow:auto}.hero h1{font-size:2rem}}.sitefoot{display:flex;align-items:center;gap:1rem;justify-content:center;flex-wrap:wrap;text-align:center;padding:2.2rem 1.4rem;margin-top:1rem;border-top:1px solid var(--navy-100);color:var(--navy-400);font-size:.85rem}.sitefoot img{height:34px;width:auto;background:#fff;padding:5px 9px;border-radius:8px;border:1px solid var(--navy-100)}.sitefoot strong{color:var(--navy-700);font-weight:700}.lead{font-size:1.12rem;color:var(--navy-600);margin:.2rem 0 1.4rem;max-width:62ch}.block-lead{font-size:1.02rem;color:var(--navy-600);margin:.2rem 0 1rem}.figure{margin:0 0 1.4rem;background:linear-gradient(180deg,var(--white),#fffdf8);border:1px solid var(--navy-100);border-radius:var(--r-2xl);padding:1.4rem 1.2rem .9rem;box-shadow:var(--shadow-md)}.figure figcaption{text-align:center;font-size:.85rem;color:var(--navy-400);margin-top:.35rem}.figure svg{width:100%;height:auto;max-height:42vh;display:block}.flow{stroke-dasharray:14 12;animation:flow 1.1s linear infinite}@keyframes flow{to{stroke-dashoffset:-26}}.glow{animation:glow 2.4s ease-in-out infinite;transform-origin:center}@keyframes glow{0%,to{opacity:.55}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.flow,.glow{animation:none}}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin:0 0 1.4rem}.card{position:relative;background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-xl);padding:1.1rem 1.1rem 1.2rem;box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .16s ease,box-shadow .16s ease}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--orange-400)}.card .ic{width:40px;height:40px;border-radius:11px;background:var(--orange-50);color:var(--orange-600);display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.card .ic svg{width:22px;height:22px}.card .term{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--navy-900)}.card .role{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--orange-600);margin:.05rem 0 .5rem}.card p{font-size:.9rem;color:var(--navy-600)}.card .analogy{margin-top:.65rem;font-size:.8rem;color:var(--navy-500);background:var(--navy-50);border-radius:var(--r-md);padding:.5rem .65rem}.card .analogy b{color:var(--navy-700)}.formula{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.4rem;background:var(--navy-900);color:#fff;border-radius:var(--r-xl);padding:1.1rem 1.3rem;box-shadow:var(--shadow-md);margin-bottom:1.4rem}.formula .eq{font-family:var(--font-display);font-weight:700;font-size:1.3rem}.formula .eq .v{color:var(--navy-200)}.formula .eq .a{color:var(--orange-300)}.formula .eq .w{color:#fff}.formula .ex{font-size:.92rem;color:var(--navy-200)}.formula .ex b{color:#fff;font-weight:600}.formula .badge{margin-left:auto;font-size:.72rem;font-weight:600;color:var(--orange-200);border:1px solid rgba(246,160,64,.4);border-radius:99px;padding:.3rem .7rem}.quiz{margin-bottom:1.4rem;background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-2xl);padding:1.3rem 1.35rem 1.4rem;box-shadow:var(--shadow-sm)}.quiz .qhead{display:flex;align-items:center;gap:.6rem;margin-bottom:.2rem}.quiz .qtag{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--green-600);background:var(--green-50);padding:.25rem .55rem;border-radius:99px}.quiz .live{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--orange-600);background:var(--orange-50);padding:.25rem .55rem;border-radius:99px;display:inline-flex;gap:.35rem;align-items:center}.quiz .live .blip{width:7px;height:7px;border-radius:50%;background:var(--orange-500);animation:glow 1.3s infinite}.quiz h3{font-family:var(--font-display);font-weight:600;font-size:1.18rem;color:var(--navy-900);margin:.5rem 0 1rem}.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.7rem}.opt{font-family:var(--font-body);font-size:1rem;font-weight:600;color:var(--navy-700);background:var(--cream);border:1.5px solid var(--navy-100);border-radius:var(--r-lg);padding:.85rem 1rem;cursor:pointer;transition:all .15s ease;text-align:left}.opt:hover:not(:disabled){border-color:var(--orange-400);background:var(--orange-50)}.opt.correct{border-color:var(--green-600);background:var(--green-50);color:var(--green-600)}.opt.wrong{border-color:var(--red-500);background:var(--red-50);color:var(--red-500)}.opt:disabled{cursor:default}.feedback{margin-top:.9rem;font-size:.92rem;color:var(--navy-600);min-height:1.2rem;opacity:0;transform:translateY(4px);transition:.25s}.feedback.show{opacity:1;transform:none}.feedback b{color:var(--green-600)}.statement{display:flex;gap:1rem;align-items:flex-start;background:linear-gradient(180deg,var(--white),#fffdf8);border:1px solid var(--navy-100);border-left:4px solid var(--orange-400);border-radius:var(--r-xl);padding:1.2rem 1.3rem;box-shadow:var(--shadow-sm);margin-bottom:1.4rem}.statement .st-ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--orange-50);color:var(--orange-600);display:flex;align-items:center;justify-content:center}.statement .st-ic svg{width:24px;height:24px}.statement p{font-size:1.08rem;color:var(--navy-700)}.callout{display:flex;gap:.7rem;align-items:center;background:var(--navy-50);border:1px solid var(--navy-100);border-radius:var(--r-lg);padding:.8rem 1rem;color:var(--navy-600);font-size:.95rem;margin-bottom:1.4rem}.callout svg{flex:none;width:20px;height:20px;color:var(--orange-600)}.img-figure{margin:0 0 1.4rem}.img-figure img{display:block;margin:0 auto;max-width:100%;max-height:46vh;width:auto;height:auto;border-radius:var(--r-xl);border:1px solid var(--navy-100);box-shadow:var(--shadow-md)}.img-figure figcaption{text-align:center;font-size:.85rem;color:var(--navy-400);margin-top:.55rem}.rail .livebtn{display:inline-block;margin:.55rem 0 .2rem;font-family:var(--font-display);font-size:.82rem;font-weight:600;color:#fff;background:var(--orange-500);padding:.45rem .75rem;border-radius:var(--r-md);box-shadow:0 6px 14px -5px #f397328c}.rail .livebtn:hover{background:var(--orange-600)}.present{max-width:980px;margin:0 auto;padding:2rem 1.4rem 4rem}.present-stage{display:flex;flex-direction:column;min-height:calc(100vh - 110px);max-width:920px;margin:0 auto;padding:0 1.4rem}.poll-stem{font-family:var(--font-display);font-weight:700;font-size:1.7rem;line-height:1.2;color:var(--navy-900);margin:.4rem 0 1.3rem}.question-slide .meta{margin-bottom:.6rem}.test-slide,.results-slide{align-items:flex-start}.test-slide .slide-inner,.results-slide .slide-inner{max-width:760px;padding:1.2rem 0}.test-form{display:flex;flex-direction:column;gap:1.1rem;margin:1.2rem 0 1.4rem}.test-q{border:1px solid var(--navy-100);border-radius:var(--r-xl);padding:1.1rem 1.2rem;background:var(--white)}.test-q legend{float:none;font-family:var(--font-display);font-weight:600;font-size:1.02rem;color:var(--navy-900);padding:0;margin-bottom:.7rem;display:flex;gap:.55rem;align-items:baseline}.test-q .qn{flex:none;display:inline-flex;min-width:22px;height:22px;align-items:center;justify-content:center;background:var(--orange-500);color:#fff;border-radius:50%;font-size:.72rem;font-weight:700}.test-opts{display:grid;gap:.5rem}.topt{text-align:left;font-family:var(--font-body);font-size:.95rem;font-weight:500;color:var(--navy-700);background:var(--cream);border:1.5px solid var(--navy-100);border-radius:var(--r-md);padding:.6rem .8rem;cursor:pointer}.topt:hover{border-color:var(--orange-400)}.topt.chosen{border-color:var(--orange-500);background:var(--orange-50);color:var(--orange-700)}.test-actions{display:flex;gap:1rem;align-items:center}.test-actions .test-submit{margin-left:auto}.results .score{font-family:var(--font-display);font-weight:800;font-size:3rem;line-height:1;color:var(--navy-900)}.results .score small{font-size:1.2rem;color:var(--navy-400);font-weight:600}.results .improve{font-size:1rem;color:var(--green-600);font-weight:600;margin:.4rem 0 1.4rem}.results .allgood{color:var(--green-600);font-weight:600;font-size:1.05rem}.review-h{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--navy-900);margin:1.2rem 0 .7rem}.review-item{display:flex;align-items:center;gap:.8rem;background:var(--white);border:1px solid var(--navy-100);border-left:4px solid var(--orange-400);border-radius:var(--r-lg);padding:.8rem 1rem;margin-bottom:.6rem}.review-item .rl{font-weight:600;color:var(--navy-800)}.review-item .rj{margin-left:auto;font-size:.85rem;font-weight:600;color:#fff;background:var(--orange-500);border:none;border-radius:var(--r-md);padding:.45rem .8rem;cursor:pointer}.review-item .rj:hover{background:var(--orange-600)}.dash-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.metric-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.8rem}.metric{background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-xl);padding:1rem 1.1rem;box-shadow:var(--shadow-sm)}.metric .ml{font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--navy-400)}.metric .mv{font-family:var(--font-display);font-weight:800;font-size:1.8rem;color:var(--navy-900);margin-top:.2rem}.dash-table{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-xl);overflow:hidden;font-size:.92rem}.dash-table th{text-align:left;background:var(--navy-50);color:var(--navy-600);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;padding:.7rem .9rem}.dash-table td{padding:.7rem .9rem;border-top:1px solid var(--navy-100);color:var(--navy-700)}.badge{font-size:.72rem;font-weight:700;padding:.2rem .5rem;border-radius:99px;background:var(--navy-100);color:var(--navy-600)}.badge.done{background:var(--green-50);color:var(--green-600)}.badge.prog{background:var(--orange-50);color:var(--orange-700)}@media print{.appbar,.sitefoot,#printbtn{display:none!important}body{background:#fff}.metric,.dash-table{box-shadow:none}}.present-card{background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-2xl);padding:1.8rem;box-shadow:var(--shadow-md)}.present-card h1{font-family:var(--font-display);font-size:2rem;color:var(--navy-900)}.present-card h2{font-family:var(--font-display);font-size:1.6rem;color:var(--navy-900);margin:.4rem 0 1.2rem}.join-row{display:flex;gap:2rem;align-items:center;margin:1.5rem 0;flex-wrap:wrap}.qrbox{background:#fff;padding:10px;border:1px solid var(--navy-100);border-radius:var(--r-lg);line-height:0}.joinurl{font-family:var(--font-display);font-weight:600;color:var(--navy-700);font-size:1.05rem}.code{font-family:var(--font-display);font-weight:800;font-size:2.4rem;letter-spacing:.18em;color:var(--orange-600)}.present-nav{display:flex;gap:1rem;margin-top:1.5rem}.present-nav .btn.primary{margin-left:auto}.bar{margin-bottom:.8rem}.bar-label{display:flex;justify-content:space-between;gap:1rem;font-weight:600;color:var(--navy-700);margin-bottom:.3rem;font-size:.98rem}.bar-label span:last-child{color:var(--navy-400);white-space:nowrap}.bar-track{height:30px;background:var(--navy-50);border-radius:var(--r-md);overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,var(--orange-400),var(--orange-500));transition:width .4s ease}.bar.correct .bar-fill{background:linear-gradient(90deg,#0e9f6e,#0bbf7a)}.bar.correct .bar-label span:first-child{color:var(--green-600)}.join{max-width:520px;margin:0 auto;padding:2rem 1.4rem}.join-card{background:var(--white);border:1px solid var(--navy-100);border-radius:var(--r-2xl);padding:1.6rem;box-shadow:var(--shadow-sm);margin-bottom:1rem}.join-card h1{font-family:var(--font-display);font-size:1.6rem;color:var(--navy-900)}.join-card h2{font-family:var(--font-display);font-size:1.35rem;color:var(--navy-900);margin-bottom:.8rem}.join-card label{display:flex;flex-direction:column;gap:.4rem;font-weight:600;color:var(--navy-600);margin:1rem 0}.join-card input{font-family:var(--font-display);font-size:1.6rem;text-transform:uppercase;letter-spacing:.2em;text-align:center;padding:.7rem;border:1.5px solid var(--navy-200);border-radius:var(--r-md)}.join-card .opt{display:block;width:100%;text-align:left;font-family:var(--font-body);font-size:1.1rem;font-weight:600;color:var(--navy-700);background:var(--cream);border:1.5px solid var(--navy-100);border-radius:var(--r-lg);padding:1rem;margin-bottom:.7rem;cursor:pointer}.join-card .opt.chosen{border-color:var(--orange-500);background:var(--orange-50);color:var(--orange-700)}.join-card .opt:disabled{opacity:.65;cursor:default}.players{display:flex;flex-wrap:wrap;gap:.5rem;margin:.6rem 0 1.2rem}.player-chip{display:inline-flex;align-items:center;gap:.4rem;background:var(--navy-50);border:1px solid var(--navy-100);border-radius:99px;padding:.3rem .7rem;font-size:.85rem;font-weight:600;color:var(--navy-700)}.player-chip .av{font-size:1.1rem}.avatars{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem}.av-pick{font-size:1.4rem;line-height:1;width:46px;height:46px;border:1.5px solid var(--navy-100);background:var(--cream);border-radius:var(--r-md);cursor:pointer}.av-pick.sel{border-color:var(--orange-500);background:var(--orange-50)}.advance-hint{font-size:.78rem;color:var(--navy-300)}