@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');
:root{--green:#153d35;--lime:#e4edb8;--paper:#f6f5ef;--ink:#18352e;--muted:#536860;--line:#d7dfd5;--gold:#efc773;--white:#fff;--red:#923b26}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.55}button,a,input{touch-action:manipulation}button{font:inherit;cursor:pointer;border:1px solid var(--line);color:var(--ink);background:white;border-radius:13px;min-height:46px;padding:10px 18px}button:hover{border-color:var(--green);background:#edf2e8}button:disabled{cursor:default;opacity:.6}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #b57211;outline-offset:4px}a{color:inherit}header{max-width:1160px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:25px 28px}#brand{font-size:13px;font-weight:700;letter-spacing:2px;text-decoration:none;display:flex;gap:12px;align-items:center}.brand-mark{font-size:29px}.quiet{background:transparent;border:0;font-size:14px}.primary{background:var(--green);color:white;border-color:var(--green);font-weight:600}.primary:hover{background:#23584b;color:white}.secondary{background:var(--lime);border-color:var(--lime);font-weight:600}.pill{display:inline-block;background:#e6ebdf;padding:5px 11px;border-radius:100px;font-size:12px;font-weight:600}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase}.muted{color:var(--muted)}h1,h2,h3{font-family:'Outfit',system-ui,sans-serif;font-weight:500;line-height:1.12;margin:0}h1{font-size:clamp(38px,5vw,62px);letter-spacing:-2px}h2{font-size:31px;letter-spacing:-.6px}h3{font-size:21px}p{margin:14px 0}.hero{background:var(--green);color:var(--paper);border-radius:30px;padding:46px;display:grid;grid-template-columns:1.4fr 1fr;gap:25px;position:relative;overflow:hidden}.hero p{max-width:530px;color:#d2e0d5;font-size:17px}.hero .primary{background:var(--lime);color:var(--green);border-color:var(--lime)}.hero .eyebrow{color:var(--gold);margin-bottom:18px}.hero-art{display:grid;place-items:center;min-height:215px;position:relative}.orbit{width:210px;height:210px;border:1px solid #709080;border-radius:50%;display:grid;place-items:center;position:relative;transform:rotate(-12deg)}.orbit:before,.orbit:after{content:'';position:absolute;border:1px solid #709080;border-radius:50%}.orbit:before{width:140px;height:140px}.orbit:after{width:280px;height:95px;transform:rotate(-32deg)}.math-star{font-family:'Outfit';font-size:63px;color:var(--gold);z-index:1}.orbit-note{position:absolute;background:var(--lime);color:var(--green);border-radius:16px;padding:12px 19px;font-size:24px;font-weight:600;transform:rotate(12deg);z-index:2}.orbit-note.one{top:-13px;left:0}.orbit-note.two{bottom:0;right:-10px}.home{max-width:1100px;margin:0 auto;padding:0 28px 30px}.mapheading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:35px 0 19px}.mapheading p{margin:8px 0 0}.progresssummary{font-size:14px;white-space:nowrap}.missions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.mission{padding:22px;text-align:left;display:flex;flex-direction:column;align-items:start;gap:14px;border-radius:22px;min-height:235px;box-shadow:0 4px 0 #e8ece3;position:relative}.mission:hover{transform:translateY(-2px);background:white}.mission.completed{background:#edf3e5}.mission-top{display:flex;justify-content:space-between;align-items:center;width:100%}.number{font-family:'Outfit';font-size:20px;border-radius:50%;width:39px;height:39px;display:grid;place-items:center;background:#eef0e6}.mission.completed .number{background:var(--green);color:white}.mission .topic{color:var(--muted);font-size:14px}.mission .status{font-size:12px;color:var(--muted);margin-top:auto}.mission .arrow{position:absolute;bottom:19px;right:22px}.priority{background:#f6e7c5;color:#614719;font-size:10px;padding:4px 8px;border-radius:100px}.practice{max-width:1030px;margin:auto;padding:8px 28px 30px}.back{padding:0;min-height:35px;font-size:13px}.sessionhead{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:14px 0 25px}.sessionhead h1{font-size:40px;letter-spacing:-1px}.sessionhead p{margin-bottom:0}.video{font-size:14px;text-decoration:none;border:1px solid var(--line);padding:11px 17px;border-radius:100px;white-space:nowrap;background:white}.video:hover{background:var(--lime)}.learn{background:#e9efdf;padding:19px 24px;border-radius:20px;margin-bottom:22px}.learn p{margin:8px 0 0}.frac{display:inline-flex;vertical-align:middle;flex-direction:column;align-items:center;line-height:1.1;margin:0 4px;min-width:19px;font-variant-numeric:tabular-nums}.frac .n{border-bottom:1.3px solid currentColor;width:100%;text-align:center;padding:0 3px 3px}.frac .d{padding-top:3px}.workgrid{display:grid;grid-template-columns:1.45fr 1fr;gap:23px;align-items:start}.questioncard{background:white;border:1px solid var(--line);border-radius:25px;padding:27px}.stepbar{height:5px;background:#edf0e8;border-radius:6px;margin:11px 0 22px;overflow:hidden}.stepbar span{display:block;background:var(--green);height:100%;border-radius:6px}.qprompt{font-size:23px;line-height:1.6;letter-spacing:-.3px;margin:0 0 21px;font-weight:500}.choices{display:grid;gap:10px}.choice{font-size:17px;text-align:left;padding:15px 16px;display:flex;align-items:center;gap:14px;min-height:59px}.choice .letter{border:1px solid var(--line);font-size:12px;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.choice.correct{background:#e4efdd;border:2px solid #367447}.choice.incorrect{border:2px solid #c77946;background:#fff4e5}.feedback{margin-top:16px;padding:16px 18px;border-radius:16px;background:#edf4e6}.feedback.retry{background:#fff3dc}.feedback strong{display:block;margin-bottom:5px}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}.hint{background:#fff6df;padding:14px 17px;border-radius:12px;margin-top:15px}.person{background:#e8eddf;border-radius:24px;overflow:hidden}.person-photo{height:210px;background:#d7dfd0;display:flex;align-items:center;justify-content:center}.person-photo img{width:100%;height:100%;object-fit:contain}.person-body{padding:22px}.person-body .eyebrow{font-size:10px;margin-bottom:12px}.person-body h3{font-size:25px}.person-body .role{font-size:13px;color:var(--muted);margin:7px 0 16px}.person-body p{font-size:14px}.person-body a{font-size:12px}.side-tip{padding:18px 6px;font-size:13px;color:var(--muted)}.scratch{margin-top:20px}summary{cursor:pointer;font-size:14px;font-weight:600;padding:8px 0}.scratchcanvas{width:100%;height:170px;border:1px dashed #b9c8b8;border-radius:12px;background:#fbfcf8;touch-action:none;display:block}.scratch small{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}.clear{font-size:12px;margin-top:8px;padding:4px 10px;min-height:32px}.hundred{width:210px;max-width:100%;display:grid;grid-template-columns:repeat(10,1fr);gap:2px;margin:12px auto}.cell{min-height:0;padding:0;aspect-ratio:1;border-radius:2px;border:1px solid #73928a;background:white}.cell.on{background:var(--green)}.gridtools{display:flex;justify-content:center;align-items:center;gap:14px;font-size:13px}.gridtools button{font-size:13px;min-height:36px;padding:5px 10px}.comparegrids{display:grid;grid-template-columns:1fr 1fr;gap:8px}.comparegrids .hundred{width:100%;max-width:150px}.comparegrids .cell{display:block}.model-label{text-align:center;font-size:13px;font-weight:600}.dots{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;width:210px;margin:18px auto}.dot{width:25px;height:25px;border:2px solid #8eac9f;border-radius:50%;min-height:25px;padding:0}.dot.on{background:var(--green)}.lineticks{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:3px;margin:25px 0 5px;border-top:2px solid var(--green)}.tick{min-height:45px;padding:6px 0;border-radius:0 0 10px 10px;border:0;border-top:6px solid #bdccc1;font-size:12px;white-space:nowrap}.tick.on{background:var(--lime);border-top-color:var(--green);font-weight:700}.linelabels{display:flex;justify-content:space-between;font-size:12px}.angle-svg{width:100%;height:190px;display:block}.slider{width:100%;accent-color:var(--green);min-height:40px}.slider-label{text-align:center;display:block;font-size:18px;font-weight:600}.shape-svg{width:100%;height:110px;display:block;margin:0 auto 15px}.finish{background:white;border:1px solid var(--line);border-radius:28px;padding:38px;max-width:760px;margin:20px auto}.finish .badge{font-size:48px;margin-bottom:16px}.finish h1{font-size:42px}.finish .reflection{background:var(--paper);padding:18px;border-radius:16px;margin:20px 0}.reflection .actions button.chosen{background:var(--lime);border-color:var(--green)}footer{max-width:1100px;margin:20px auto;padding:18px 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:12px}footer button{font-size:12px;border:0;background:none;padding:0;min-height:24px}dialog{border:1px solid var(--line);border-radius:24px;padding:30px;max-width:530px;width:calc(100% - 32px)}dialog::backdrop{background:#102a24a8}.dialog-actions{margin-top:24px;text-align:right}.storage-note{font-size:12px;color:var(--muted);margin-top:15px}[hidden]{display:none!important}@media(max-width:800px){.missions{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:33px;grid-template-columns:1fr}.hero-art{display:none}.workgrid{grid-template-columns:1fr}.person{display:grid;grid-template-columns:120px 1fr}.person-photo{height:100%;min-height:210px}.person-body{padding:19px}.sessionhead{align-items:start;flex-direction:column}.sessionhead h1{font-size:35px}.side-tip{display:none}}@media(max-width:480px){header{padding:18px 19px}.home,.practice{padding-left:18px;padding-right:18px}.hero{padding:28px 24px;border-radius:23px}.hero h1{font-size:42px}.missions{gap:11px}.mission{padding:16px;min-height:224px}.mission h3{font-size:20px}.mission .topic{font-size:12px}.mission .arrow{right:15px}.priority{font-size:9px}.mapheading{align-items:start;flex-direction:column;gap:9px}.mapheading h2{font-size:27px}.questioncard{padding:22px 18px}.qprompt{font-size:21px}.choice{font-size:16px}.learn{padding:18px}.person{grid-template-columns:90px 1fr}.person-body h3{font-size:22px}.person-body p{font-size:13px}.finish{padding:26px}.finish h1{font-size:34px}.tick{font-size:10px}.video{white-space:normal}footer{gap:20px;padding:18px}.storage-note{font-size:11px}}@media(prefers-reduced-motion:no-preference){.mission{transition:transform .15s ease}.feedback{animation:enter .18s ease}@keyframes enter{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}}

.review-list{display:grid;gap:20px;margin:24px 0}.review-card{min-width:0}.review-card h2{font-size:21px}.review-note{background:#f3f5e9;padding:16px;border-radius:12px;line-height:1.6}.solution{margin-top:16px;padding:14px;border:1px solid #acbba9;border-radius:10px;text-align:left}.solution summary{cursor:pointer;font-weight:600;min-height:32px}.solution p{line-height:1.7}.review-errors{background:#fff2e7;padding:12px;border-radius:10px}.review-card .eyebrow{line-height:1.7}.review-card .actions{flex-wrap:wrap}

.timebar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:#edf2e8;border-radius:12px;padding:12px 16px;margin:18px 0;font-size:13px}.timebar #sessiontime{font-weight:700}.timebar #timemessage{flex:1;min-width:180px}.support-panel{padding:24px;background:#f1f5e8;border:1px solid #acbba9;border-radius:18px;margin:20px 0;text-align:left}.support-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #c5cfbe;padding:16px 0}.support-row p{font-size:13px;margin:6px 0}.lessonlinks{display:grid;gap:10px;margin:16px 0}.lessonlinks .video{width:fit-content;max-width:100%;white-space:normal}.model-lesson{border:1px solid #acbba9;border-radius:12px;padding:18px;margin:20px 0;line-height:1.7}.fraction-bar-wrap{margin:14px 0}.fraction-bar-wrap>span{font-size:13px;font-weight:600}.fraction-bar{display:flex;max-width:360px;height:52px;border:2px solid #153d35;margin-top:5px}.fraction-piece{flex:1;display:flex;align-items:center;justify-content:center;border-right:1px solid #153d35;background:white;font-weight:700;font-size:14px}.fraction-piece:last-child{border:0}.fraction-piece.filled{background:#c7dd95;color:#153d35}.loose-pieces{display:flex;flex-wrap:wrap;gap:8px}.loose-pieces>span{display:flex;flex-direction:column;align-items:center;border:1px solid #153d35;background:#c7dd95;padding:10px;min-width:50px;font-weight:700}.loose-pieces small{font-size:10px;font-weight:400}@media(max-width:600px){.support-row{align-items:flex-start;flex-direction:column}.model-lesson{padding:12px}.timebar{padding:10px}.lessonlinks .video{font-size:14px}.support-panel{padding:16px}}

/* A bright, calm quest palette with readable text. */
:root{--green:#123f49;--lime:#7ae5dd;--paper:#fff8ec;--ink:#163e49;--muted:#526670;--line:#d5e2e2;--gold:#ffd166;--red:#923b26}
h1,h2,h3{font-weight:700}.hero{background:#123f49;border:3px solid #123f49;box-shadow:0 8px 0 #dae7e6}.hero .eyebrow{color:#ffd166}.hero p{color:#e7f7f6}.hero .primary{background:#ffd166;border-color:#ffd166;color:#123f49;box-shadow:0 4px 0 #bc8d28}.hero .primary:hover{background:#ffe399}.hero-art{display:flex;flex-direction:column;justify-content:center;gap:8px;min-height:260px}.quest-sticker{background:#ff917a;color:#123f49;border-radius:18px;padding:7px 17px;font-weight:700;transform:rotate(-4deg)}.sidekick{width:280px;max-width:100%;height:auto}.hero .sidekick-caption{font-size:13px;text-align:center;margin:2px 0}.mission{border:2px solid #d5e2e2;box-shadow:0 5px 0 #dce8e8}.mission:nth-child(3n+1) .number{background:#ffd166}.mission:nth-child(3n+2) .number{background:#a1e8e2}.mission:nth-child(3n) .number{background:#ffbaaa}.mission.completed .number{background:#123f49;color:white}.mission.completed{background:#eaf7f3}.learn{background:#e1f5f2;border-left:5px solid #23a89e}.person{background:#fff0dd}.person-photo{background:#f6e1c0}.priority{background:#ffe4dc;color:#7a3525}.pill{background:#dcf4f1}.primary:hover{background:#205767}.choice.correct{background:#e1f5e9}.choice.incorrect{background:#fff0e8}.feedback{background:#e1f5e9}.feedback.retry{background:#fff0e8}a:focus-visible,button:focus-visible,input:focus-visible{outline-color:#c5573b}
@media(max-width:650px){.hero{padding:26px}.hero-art{min-height:220px}.sidekick{width:240px}.quest-sticker{font-size:14px}}

.caseback{font-size:12px;font-weight:700}header:has(.caseback){flex-wrap:wrap;gap:12px}

.soro-demo-logo{width:120px;height:72px;display:inline-block;flex-shrink:0;background-image:url('assets/soro-logo-family.png');background-size:330% auto;background-position:50% 49%;background-repeat:no-repeat}#brand{gap:10px}header:has(.caseback){padding-top:12px;padding-bottom:12px}@media(max-width:500px){.soro-demo-logo{width:95px;height:60px}#brand{font-size:11px;letter-spacing:1px}}

.soro-demo-logo{background-image:url("assets/soro-learning-transparent.png");background-size:contain;background-position:center}