/* Discovery club: cobalt, coral, butter and warm paper. */
:root{--orange:#2855e8;--iris:#2855e8;--ink:#172642;--paper:#fffaf1;--line:#dfdfdf;--muted:#59667a;--coral:#f67459;--butter:#ffe19b;--mono:'IBM Plex Mono',monospace}
html{scroll-padding-top:110px}body{background:var(--paper);color:var(--ink)}::selection{background:#ffdf91;color:#172642}.site-header{position:sticky;top:12px;z-index:100;min-height:78px;width:calc(100% - 40px);max-width:1400px;margin:12px auto 0;padding:16px 25px;gap:20px;background:#fffdf5ed;backdrop-filter:blur(20px);border:1px solid #dcdedc;border-radius:22px;box-shadow:0 6px 25px #1a2d4b08;transition:box-shadow .25s,background .25s}.site-header.scrolled{background:#fffdf7f5;box-shadow:0 9px 30px #21345418}.site-header .brand svg{color:#2855e8;transition:transform .4s}.site-header .brand:hover svg{transform:rotate(-12deg)}.site-header nav{gap:5px;align-items:center}.site-header nav a{padding:10px 12px;border-radius:12px;transition:background .2s,color .2s,transform .2s}.site-header nav a:hover{background:#e8edff;color:#2855e8;transform:translateY(-2px)}.site-header nav a[aria-current]{background:#e8edff;color:#2855e8;box-shadow:none}.site-header .btn{border-radius:14px;padding:13px 17px;min-height:44px;gap:13px}.brand-bottom{color:#667084}.btn{border-radius:14px;box-shadow:0 5px 0 #183ba3;color:white;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{background:#1742cc;transform:translateY(-3px);box-shadow:0 8px 0 #183ba3}.btn:active{transform:translateY(2px);box-shadow:0 2px 0 #183ba3}.btn.outline{border-color:#b3c0d4;box-shadow:none;background:transparent}.btn.outline:hover{background:#e7edff;box-shadow:0 4px 0 #d2dcf3}.btn.dark{background:#172642;border-color:#172642;box-shadow:0 5px 0 #0d192f}.hero{padding-top:70px;padding-bottom:65px;position:relative}.hero h1{letter-spacing:-.065em;font-weight:700}.hero .eyebrow{display:inline-flex;align-items:center;gap:10px;background:#ffe9cf;border:1px solid #f5cda4;border-radius:30px;padding:9px 13px;font-size:10px}.hero .eyebrow:before{content:'✦';font-size:16px;color:#cc4e30}.hero-scene{background:radial-gradient(ellipse at 60% 45%,#25457b,#142744 70%);border:1px solid #284873;border-radius:32px;box-shadow:12px 14px 0 #dce6fd;transform:rotate(1deg);transition:transform .45s,box-shadow .45s}.hero-scene:hover{transform:rotate(0deg) translateY(-4px);box-shadow:8px 18px 0 #dce6fd}.scene-header{color:#9aafd0}.round-link{background:#ffd280;color:#172642;transition:transform .3s}.round-link:hover{transform:rotate(-35deg) scale(1.1)}.live-dot{background:#ff9772;box-shadow:0 0 0 5px #ff977218}.hero-scene svg>g:first-of-type{transform-origin:center;animation:orbit-drift 9s ease-in-out infinite alternate}.hero-foot{color:#6b7381}.manifesto-strip{background:#ffeddc;border-block:1px solid #f3d9bd;padding-block:21px}.manifesto-strip span:not(:first-child){color:#5b4c45}.manifesto-strip span:not(:first-child):before{content:'✳';color:#dd6241;margin-right:14px}.section-head .eyebrow{color:#2855e8}.feature-card{background:#e6ecff;border-radius:24px;border:1px solid #d7e0f6;transition:transform .35s,box-shadow .35s}.feature-card:hover{transform:translateY(-7px) rotate(-.5deg);box-shadow:0 18px 40px #244a7a16}.feature-card.dark-card{background:#172d4d;border-color:#28456b}.feature-card .visual svg{transition:transform .5s}.feature-card:hover .visual svg{transform:scale(1.05)}.card-copy{border-color:#b9c8e2}.card-arrow{transition:transform .3s}.subject-card:hover .card-arrow,.feature-card:hover .card-arrow{transform:translate(5px,-5px)}.subject-grid{gap:16px}.subject-card{border:1px solid #d9e0e9!important;border-radius:22px;background:#fffdf7;padding:27px!important;transition:transform .25s,box-shadow .25s,background .25s;position:relative;overflow:hidden}.subject-card:before{content:'';position:absolute;left:0;top:0;height:5px;width:100%;background:#83a8f8;transform:scaleX(0);transform-origin:left;transition:transform .3s}.subject-card:hover{background:#eef3ff;transform:translateY(-6px);box-shadow:0 12px 30px #25497c13}.subject-card:hover:before{transform:scaleX(1)}.subject-glyph{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#e8eeff;color:#2855e8!important;font-size:24px;transition:transform .3s}.subject-card:hover .subject-glyph{transform:rotate(12deg)}.subject-card:nth-child(3n+2) .subject-glyph{background:#ffe5d9;color:#c95638!important}.subject-card:nth-child(3n) .subject-glyph{background:#fff0bf;color:#8f6111!important}.subject-top{color:#67788d}.black-section{background:#172b49}.black-section .orange,.black-section .process .num{color:#8fb4ff}.black-section p{color:#b1c3df}.process article{transition:transform .25s}.process article:hover{transform:translateY(-5px)}.orange-section{background:#ffd9c3;color:#492c25}.orange-section p{color:#775649}.quote-section blockquote span{color:#7b8ead}footer{background:#e8eef9}.footer-bottom{color:#5e7292;border-color:#ccd6e7}.path-card,.contact-card,.notebook-entry{border-radius:22px;border-color:#d8e0ec}.pill{background:#e8eeff;border-color:#c8d6fb;color:#294eaa;border-radius:30px}.num,.stat strong{color:#2855e8}.progress-track{background:#e1e8f6}.progress-track span{background:#2855e8}.computer-feature{background:#e8eeff;border-color:#cfdaf4;border-radius:24px}.stack span{background:#fcfcff;border-color:#bdcdec;border-radius:10px;transition:transform .3s}.stack span:hover{transform:translateX(-10px)}.stack span:nth-child(3){background:#2855e8}.stack span:nth-child(4){background:#172b49;color:#a9c9ff}.discovery-feature{display:grid;grid-template-columns:1fr 1fr;background:#ffeadc;border:1px solid #f0c5aa;border-radius:28px;overflow:hidden;margin-top:28px}.discovery-copy{padding:44px}.discovery-copy h3{font-size:40px}.discovery-copy p{margin:20px 0 24px}.anatomy-preview{min-height:360px;position:relative;background:radial-gradient(ellipse,#ffd6bb,#ffeadc);overflow:hidden}.anatomy-preview canvas{width:100%;height:360px;display:block;touch-action:none}.anatomy-preview .preview-caption{position:absolute;bottom:18px;left:24px;font:10px var(--mono);color:#94664e;pointer-events:none}.arcade-banner{background:#2855e8;color:white;border-radius:28px;padding:35px 42px;margin-top:28px;display:flex;align-items:center;justify-content:space-between;gap:25px}.arcade-banner h3{font-size:32px}.arcade-banner p{color:#c8d8ff;margin-top:10px}.arcade-banner .btn{background:#ffd783;color:#172642;border-color:#ffd783;box-shadow:0 5px 0 #d9a84b;white-space:nowrap}.motion-toggle{position:fixed;bottom:16px;right:18px;z-index:110;border:1px solid #b7c6df;background:#fffaf2ef;color:#355076;border-radius:30px;min-height:36px;padding:8px 13px;font-size:10px;box-shadow:0 4px 15px #192d4e14}.reveal-ready{animation:arrive .65s ease both}.confetti-dot{position:fixed;pointer-events:none;top:35%;left:50%;width:9px;height:13px;z-index:150;background:var(--piece);animation:confetti .9s ease-out forwards;transform:rotate(var(--angle))}.quest-link{margin-top:25px;padding:15px!important;border:1px solid #3d5b85;border-radius:14px;color:#bed5ff;font-size:12px;background:#1e385d}.quest-link small{display:block;margin-top:7px;color:#9eb4d2;line-height:1.5}.lab-header{position:sticky;top:0;z-index:100;background:#142642ed!important;backdrop-filter:blur(20px);border-color:#345178!important}.lab-page{background:#101f35}.lab-left{background:#14253e}.lab-right{background:#172b47}.simulation{background-color:#101f35;background-image:radial-gradient(#a5caff18 .8px,transparent .8px)}.lab-header .brand{color:#a6c7ff}.lab-page .btn{background:#9bbdff;border-color:#9bbdff;color:#112341;border-radius:11px;box-shadow:0 3px 0 #577aa9}.lab-page .btn:hover{background:#b9d0ff;box-shadow:0 5px 0 #577aa9}.lab-page 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label{color:#aac0df}.choice{border-color:#4c6a91;background:#192f4f;color:#e4eeff;border-radius:14px}.choice:hover,.choice.selected{background:#2c4d7b;border-color:#90b5ef}.simulation svg text{fill:#a6bcda}.simulation svg .major-text{fill:#e6f0ff}.simulation svg .orange-text{fill:#ffd280}.base{background:#203b5e;color:#a8cbff;border-color:#527caf}.base.correct{background:#3569b348}.saved-message{color:#ffc993}.mobile-lab-nav{background:#1d3557;color:#bcd5ff}.lab-left .quest-link{margin-top:25px}.lab-page .motion-toggle{background:#213959;color:#d6e6ff;border-color:#5c7ca4}
/* Anatomy atlas */
.anatomy-lab .lab-shell{grid-template-columns:240px minmax(0,1fr) 310px}.anatomy-lab .simulation{padding:0;min-height:620px}.anatomy-lab .lab-modules{margin:24px 0;border:0}.species-search{width:100%;background:#0e2139;border:1px solid #426187;padding:12px;color:#edf4ff;border-radius:10px;font-size:12px;margin:10px 0}.species-list{max-height:390px;overflow:auto;scrollbar-width:thin;scrollbar-color:#5476a1 transparent}.species-list button{width:100%;text-align:left;display:flex;flex-direction:column;gap:4px;border:1px solid transparent;border-radius:10px;background:transparent;padding:11px 12px;color:#c5d8f4;font-size:12px}.species-list small{font:9px var(--mono);color:#8ca8cc}.species-list button:hover{background:#ffffff08}.species-list button[aria-pressed=true]{background:#2a4d7b;border-color:#5f84b6;color:#fff}.anatomy-stage{width:100%;height:620px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 48%,#263f61 0,#101f35 64%)}.anatomy-stage canvas{width:100%;height:100%;display:block;position:relative;z-index:2;cursor:grab;touch-action:none}.anatomy-stage canvas:active{cursor:grabbing}.specimen-tag{position:absolute;left:25px;right:25px;top:22px;display:flex;justify-content:space-between;color:#94b0d5;font:9px var(--mono);letter-spacing:.04em;z-index:3;pointer-events:none}.model-caption{position:absolute;bottom:78px;left:25px;z-index:3;pointer-events:none;display:flex;flex-direction:column;gap:7px}.model-caption strong{font-size:23px;letter-spacing:-.04em;color:#e2edff}.model-caption em{font:11px var(--mono);color:#9cb5d8}.model-orbit{position:absolute;width:430px;height:430px;border:1px solid #b4d1ff14;border-radius:50%;left:50%;top:44%;transform:translate(-50%,-50%);pointer-events:none}.orbit-two{width:330px;height:330px;border-style:dashed}.view-tools{position:absolute;bottom:20px;left:15px;right:15px;display:flex;gap:6px;justify-content:center;z-index:4;flex-wrap:wrap}.view-tools button{background:#1c3659e8;color:#d8e8ff;border:1px solid #5275a1;border-radius:10px;padding:9px 12px;min-width:36px;min-height:38px;font-size:11px}.view-tools button:hover{background:#3b6091}.view-tools button[aria-pressed=true]{background:#91b7f6;color:#102441}.layer-switch{display:flex;gap:4px;margin-bottom:22px}.layer-switch button{flex:1;border:1px solid #47678f;background:#173153;color:#a6c2e7;padding:11px 5px;border-radius:8px;font-size:10px}.layer-switch button[aria-pressed=true]{background:#99bdf9;color:#142843;border-color:#99bdf9}.small-title{font-size:13px;margin:25px 0 14px;letter-spacing:-.01em}.organ-list{display:flex;gap:7px;flex-wrap:wrap}.organ-list button{display:flex;align-items:center;gap:7px;border:1px solid #48668d;border-radius:30px;padding:8px 10px;background:#1b3457;color:#c4d8f4;font-size:10px;min-height:34px}.organ-list button i{width:7px;height:7px;border-radius:50%}.organ-list button[aria-pressed=true]{border-color:#ffd795;color:#ffe4bb;background:#3c3d42}.organ-fact{padding:18px;margin-top:22px;border:1px solid #3d608b;background:#10253f;border-radius:15px;min-height:170px}.organ-fact .eyebrow{font-size:9px;color:#ffce8c;display:block;margin-bottom:10px}.organ-fact h3{font-size:20px;margin-bottom:10px}.organ-fact p{color:#b2c6e3;font-size:12px}.compare-panel{border-top:1px solid #3b557b;margin-top:25px;padding-top:20px;font-size:12px;color:#bfd6f6}.compare-panel summary{cursor:pointer;margin-bottom:15px}.compare-names,.compare-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.compare-names{font-size:11px;color:#dceaff}.compare-row{padding-top:12px;border-top:1px solid #34537b;font-size:10px;line-height:1.6}.compare-row small{grid-column:1/-1;color:#91acce;text-transform:uppercase;font-size:8px}.anatomy-lab .readout strong{font-size:19px}
/* Repeatable practice */
.arcade-intro{display:flex;justify-content:space-between;align-items:center;gap:35px;padding-bottom:40px}.arcade-intro h1{font-size:clamp(44px,6vw,88px)}.arcade-intro .lead{margin-top:22px;max-width:650px}.arcade-score{min-width:220px;background:#ffebbe;border:1px solid #edcc87;border-radius:24px;padding:26px;text-align:center;transform:rotate(3deg)}.arcade-score strong{display:block;font-size:39px;letter-spacing:-.06em;margin:8px 0}.arcade-score>span:not(.score-star),#arcade-level{font-size:11px;color:#776444}#arcade-level{margin-top:15px}.score-star{font-size:35px;color:#d87937}.arcade-layout{padding-top:15px;display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start}.arcade-sidebar{position:sticky;top:120px}.arcade-sidebar label{font-size:13px;font-weight:600}.arcade-sidebar select{width:100%;margin-top:14px;padding:14px 10px;background:#fffdf6;border:1px solid #bac9e1;border-radius:12px;font-size:12px;color:#223e69}.quest-how{display:grid;grid-template-columns:25px 1fr;gap:18px 12px;margin:30px 0}.quest-how span{font:11px var(--mono);color:#2855e8;padding-top:5px}.quest-how p{font-size:12px}.arcade-sidebar .note{font-size:11px;margin-top:25px}.quest-card{background:#fffefa;border:1px solid #cdd9eb;border-radius:28px;box-shadow:10px 10px 0 #e7ecf4;padding:35px 42px}.quest-top{display:flex;justify-content:space-between;align-items:center;gap:15px}.quest-number{font:10px var(--mono);color:#7890ad}.quest-symbol{font-size:45px;color:#ee805c;margin:30px 0 20px}.quest-card h2{font-size:36px}.quest-question{font-size:20px;line-height:1.5;margin:24px 0;color:#2c405c}.quest-setup{background:#edf2ff;border:1px dashed #91acd7;border-radius:12px;padding:17px;font:12px/1.8 var(--mono);margin-bottom:25px;color:#35558b}.quest-card form>label{font-size:12px;display:block;margin:22px 0 10px}.quest-card input{display:block;width:100%;max-width:340px;background:#f5f7fd;border:1px solid #a0b5d7;color:#234069;border-radius:12px;padding:16px;font:22px var(--mono);margin-bottom:28px}.quest-choices{display:grid;gap:12px;margin:25px 0}.quest-choices button{text-align:left;display:flex;align-items:center;gap:15px;padding:17px 20px;border:1px solid #ccd6e5;background:#fffdfa;border-radius:14px;color:#33465e;font-size:14px;line-height:1.5;transition:transform .2s,background .2s}.quest-choices button span{font:12px var(--mono);background:#edf1f8;border-radius:7px;padding:7px 10px}.quest-choices button:hover{background:#f0f4ff;transform:translateX(4px)}.quest-choices button[aria-pressed=true]{background:#e5ecff;border-color:#2855e8}.quest-feedback{font-size:13px;color:#7b553a;line-height:1.8;margin-top:25px;padding:0}.quest-feedback:not(:empty){padding:20px;border-radius:14px;background:#fff0d8;border:1px solid #efd6a9}.quest-feedback.correct{background:#e8efff;color:#294e89;border-color:#b4c8f0}.quest-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #e0e5ec;margin-top:28px;padding-top:23px}.quest-bottom .text-link{background:none;border:0;border-bottom:1px solid #9baec9}.arcade-history{padding-top:0}.arcade-history h2{font-size:32px;margin-bottom:25px}.quest-history-row{display:flex;gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid #dce3ef;font-size:13px}.quest-history-row>span:first-child{color:#d67a36}.quest-history-row small{margin-left:auto;color:#2855e8;white-space:nowrap}.passport{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:40px}.passport-card{border-radius:22px;background:#e9efff;border:1px solid #cbd9f5;padding:25px}.passport-card:nth-child(2){background:#ffebd9;border-color:#f1cdac}.passport-card h3{font-size:23px}.passport-card p{font-size:13px;margin:14px 0}.passport-card strong{font:28px var(--mono);color:#2855e8}.passport-card .actions{margin-top:20px}
@keyframes arrive{from{opacity:.3;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes orbit-drift{from{rotate:-3deg;translate:0 -4px}to{rotate:3deg;translate:0 4px}}@keyframes confetti{to{transform:translate(var(--dx),var(--dy)) rotate(var(--angle));opacity:0}}
@media(max-width:1100px){.site-header{gap:10px;padding:14px 18px}.site-header nav{gap:0}.site-header nav a{font-size:11px;padding:9px}.site-header .brand{font-size:22px}.site-header .brand svg{width:34px}.anatomy-lab .lab-shell{grid-template-columns:210px minmax(0,1fr) 270px}.anatomy-lab .lab-left,.anatomy-lab .lab-right{padding:23px 18px}.anatomy-lab .simulation,.anatomy-stage{min-height:560px;height:560px}.arcade-layout{grid-template-columns:220px 1fr;gap:25px}.discovery-copy{padding:30px}.discovery-copy h3{font-size:32px}}
@media(max-width:900px){.site-header{flex-wrap:wrap;top:8px;border-radius:18px}.site-header nav{order:3;width:100%;justify-content:center}.site-header .btn{margin-left:auto}.anatomy-lab .lab-shell{display:flex;flex-direction:column}.anatomy-lab .lab-left{display:block}.anatomy-lab .lab-modules{display:block}.species-list{display:flex;gap:7px;overflow:auto;max-height:none}.species-list button{min-width:140px;border-color:#304c70}.anatomy-lab .lab-left .challenge-box{margin-top:16px}.anatomy-lab .lab-left>p{max-width:650px}.anatomy-lab .lab-right .controls-grid{display:block}.anatomy-lab .lab-left details{display:none}.anatomy-lab .lab-left .all-subjects{display:none}.anatomy-lab .lab-left .quest-link{display:block!important}.arcade-layout{grid-template-columns:1fr}.arcade-sidebar{position:static}.quest-how{display:none}.arcade-sidebar .note{margin-top:15px}.arcade-sidebar .text-link{margin-top:15px}.discovery-feature{grid-template-columns:1fr 1fr}.passport{grid-template-columns:1fr 1fr}.lab-header{flex-wrap:wrap}.lab-header .brand{display:none}}
@media(max-width:640px){.site-header{width:calc(100% - 20px);margin-top:8px;padding:12px;gap:10px;top:6px}.site-header nav{gap:0;overflow-x:auto;justify-content:space-between}.site-header nav a{font-size:10px;padding:9px 7px;white-space:nowrap}.site-header .brand{font-size:21px}.site-header .btn{font-size:10px;padding:10px 12px;min-height:38px}.brand-bottom{font-size:7px}.hero{padding-top:45px;gap:35px}.hero h1{font-size:57px}.hero-scene{min-height:440px;box-shadow:6px 8px 0 #dce6fd;margin-right:6px}.hero .lead{font-size:16px}.manifesto-strip{flex-wrap:wrap;justify-content:center;gap:15px;padding:20px}.manifesto-strip span:first-child{width:100%;text-align:center}.manifesto-strip span:not(:first-child):before{margin-right:5px}.discovery-feature{grid-template-columns:1fr}.discovery-copy{padding:27px}.anatomy-preview,.anatomy-preview canvas{min-height:300px;height:300px}.arcade-banner{padding:28px;flex-direction:column;align-items:start}.arcade-banner h3{font-size:28px}.arcade-intro{flex-direction:column;align-items:start;padding-bottom:25px}.arcade-intro h1{font-size:49px}.arcade-score{width:100%;padding:20px;min-width:0;transform:none;display:grid;grid-template-columns:auto 1fr;gap:0 16px;text-align:left}.arcade-score strong{font-size:30px}.score-star{grid-row:1/4;align-self:center}.arcade-score>span:not(.score-star),#arcade-level{grid-column:2;margin-top:4px}.arcade-layout{padding-top:0}.quest-card{padding:25px 22px;box-shadow:5px 6px 0 #e7ecf4;border-radius:22px}.quest-card h2{font-size:29px}.quest-question{font-size:17px}.quest-top .pill{font-size:10px}.quest-number{font-size:8px}.quest-choices button{padding:14px;font-size:12px}.quest-bottom{flex-wrap:wrap}.quest-history-row{gap:12px;flex-wrap:wrap}.quest-history-row>span:nth-child(3){width:100%;order:3}.passport{grid-template-columns:1fr}.anatomy-stage,.anatomy-lab .simulation{height:510px;min-height:510px}.specimen-tag{left:16px;right:16px;font-size:8px}.model-caption{bottom:102px;left:18px}.model-caption strong{font-size:21px}.view-tools{bottom:17px;gap:5px}.view-tools button{font-size:10px;padding:9px}.motion-toggle{bottom:12px;right:12px;font-size:9px}.anatomy-lab .readout{padding:17px 12px}.anatomy-lab .readout strong{font-size:17px}.lab-header{padding:13px 15px;gap:12px}.lab-header .actions{gap:6px}.lab-header .btn{font-size:10px;padding:10px;min-height:36px}.lab-brand strong{font-size:13px}.lab-brand{gap:9px}.lab-brand .label{font-size:7px}.lab-brand .back{width:29px}.motion-toggle{opacity:.94}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
html.motion-paused *,html.motion-paused *:before,html.motion-paused *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}

.anatomy-lab .simulation{flex:0 0 auto;display:block}.anatomy-lab .lab-center{background:#101f35}

@media(max-width:640px){.site-header nav a{font-size:10px;padding:9px 5px}.site-header nav{overflow-x:auto;scrollbar-width:none}.site-header nav::-webkit-scrollbar{display:none}}