:root{--ink:#233c39;--muted:#66716c;--green:#245c4a;--line:#e2e5dc;--paper:#f7f6f0;--peach:#fbe5d8;--mint:#e1eee2;--lilac:#ece6f6;--sky:#dfeef3;--butter:#f9efcc}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 'Segoe UI',Arial,sans-serif}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #c97931;outline-offset:4px}button{color:var(--ink)}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:8px;background:white;z-index:99;padding:10px}.topbar{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 34px}.brand{display:flex;align-items:center;gap:11px;font-size:26px;font-weight:750;letter-spacing:-1px;line-height:1.08}.brand-mark{font-size:47px;color:#d17954;line-height:1}.brand-light{font-weight:350}.brand small{display:block;letter-spacing:1.4px;font-size:9px;text-transform:uppercase;margin-top:6px;font-weight:600}.topbar nav{display:flex;gap:27px;font-size:14px}.topbar nav a{padding:8px 0;border-bottom:2px solid transparent}.topbar nav a.active{border-color:var(--green);font-weight:650}.sound-toggle{border:1px solid #d3dbd0;background:transparent;border-radius:50px;padding:9px 15px;font-size:13px;white-space:nowrap}.pilot{text-align:center;background:#e8ecdf;padding:8px 20px;letter-spacing:1.4px;font-size:10px;font-weight:700}.pilot span{font-size:12px;letter-spacing:0;font-weight:400;margin-left:14px}main{max-width:1172px;margin:0 auto;padding:48px 34px 70px;min-height:68vh}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:11px;font-weight:700;color:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.4vw,59px);letter-spacing:-2px;line-height:1.1;font-weight:600;margin:15px 0 23px}h1 em{font-family:Georgia,serif;font-weight:400;color:#9a603b}h2{font-size:28px;letter-spacing:-.7px;font-weight:600;line-height:1.25}h3{font-size:20px;line-height:1.3}.hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:35px;margin:5px 0 47px}.hero-copy>p{max-width:440px;font-size:17px;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:26px 0 20px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:9px;border:1px solid #cdd7ca;border-radius:12px;background:#fffefb;padding:12px 19px;font-weight:600;font-size:14px;min-height:46px}.btn.primary{color:white;background:var(--green);border-color:var(--green)}.btn.primary:hover{background:#194b3b}.btn.ghost{background:transparent}.listen{font-size:14px}.hero-note{display:flex;gap:19px;font-size:12px;color:var(--muted)}.hero-art{position:relative;height:340px;max-width:460px;width:100%;margin:auto}.art-oval{position:absolute;width:300px;height:300px;border-radius:50%;background:#e5ecda;top:15px;left:70px}.art-card{position:absolute;display:flex;flex-direction:column;justify-content:center;align-items:center;box-shadow:0 12px 35px #3d514914;border:5px solid #fffefa;border-radius:22px;font-weight:600}.art-a{width:150px;height:170px;left:37px;top:34px;background:var(--peach);transform:rotate(-11deg);font-family:Georgia,serif;font-size:97px;color:#b16042}.art-num{width:126px;height:147px;right:34px;top:22px;background:var(--lilac);transform:rotate(12deg);font-size:55px;color:#6b5596}.art-book{width:190px;height:137px;left:130px;bottom:24px;background:#fffefa;transform:rotate(5deg);font-size:63px;line-height:1.1}.art-book small{font:11px 'Segoe UI',sans-serif;letter-spacing:1px;margin-top:10px}.art-badge{position:absolute;background:var(--green);color:white;padding:10px 15px;border-radius:50px;font-size:12px;right:0;bottom:110px;transform:rotate(-5deg)}.spark{position:absolute;color:#c58c44;font-size:38px;right:4px;top:177px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin:0 0 22px}.section-heading h2{margin:6px 0 0}.section-heading>p{max-width:290px;color:var(--muted);font-size:14px;margin:0}.paths{display:grid;grid-template-columns:1fr 1fr;gap:22px}.path{padding:26px 29px;border-radius:22px;border:1px solid #d6ddce;background:#e8efdf;position:relative;overflow:hidden}.path.advance{background:#ece9f3;border-color:#ded8e8}.path .path-icon{display:inline-grid;place-items:center;width:50px;height:50px;background:#ffffff9e;border-radius:16px;font-size:28px;margin-bottom:20px}.path h3{font-size:28px;letter-spacing:-.8px;margin-bottom:9px}.path p{max-width:330px;font-size:14px;color:#52635a}.path-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:25px}.path-bottom small{font-size:12px;color:#52635a}.round-arrow{background:#fffefa;border-radius:50%;display:grid;place-items:center;width:43px;height:43px;font-size:23px}.path:hover .round-arrow{background:var(--green);color:white}.how{margin-top:45px;display:grid;grid-template-columns:repeat(3,1fr);gap:25px;border-top:1px solid var(--line);padding-top:26px}.how b{font-size:14px}.how p{font-size:13px;color:var(--muted);margin:7px 0}.step-num{font-family:Georgia,serif;font-size:23px;color:#9a603b;margin-right:10px}.back{display:inline-block;color:var(--muted);font-size:13px;margin-bottom:22px}.page-intro{max-width:720px}.page-intro h1{font-size:43px}.page-intro p{color:var(--muted)}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.chip{border:1px solid #d5dccf;background:transparent;border-radius:40px;padding:8px 16px;font-size:13px}.chip.active{background:var(--green);color:white;border-color:var(--green)}.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.lesson-card{display:flex;flex-direction:column;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fffefa}.lesson-card:hover{border-color:#8aa58a}.lesson-card h3{margin:17px 0 9px}.lesson-card p{font-size:13px;color:var(--muted);flex:1}.lesson-icon{width:55px;height:55px;display:grid;place-items:center;border-radius:15px;font-size:29px}.peach{background:var(--peach)}.mint{background:var(--mint)}.lilac{background:var(--lilac)}.sky{background:var(--sky)}.butter{background:var(--butter)}.lesson-meta{display:flex;gap:14px;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:12px}.subject{letter-spacing:1.1px;font-size:10px;text-transform:uppercase;font-weight:700;margin-top:18px}.tag-done{font-size:11px;color:var(--green);margin-top:12px;font-weight:650}.lesson-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:35px;align-items:start}.lesson-aside{padding:22px 0}.lesson-aside h2{font-size:25px;margin-top:16px}.lesson-aside p{font-size:13px;color:var(--muted)}.stage{padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.stage.active{color:var(--green);font-weight:650}.study-card,.activity-card,.summary{background:#fffefa;border:1px solid var(--line);padding:32px;border-radius:23px}.study-visual{min-height:140px;display:flex;align-items:center;justify-content:center;border-radius:16px;font-size:clamp(26px,5vw,52px);font-weight:650;letter-spacing:4px;margin-bottom:25px;text-align:center;padding:17px;overflow-wrap:anywhere}.study-card h2{font-size:27px}.study-card p{font-size:17px;color:#52635a}.study-controls{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:28px}.study-pages{display:flex;gap:8px;margin-top:22px}.study-dot{width:9px;height:9px;border-radius:100%;background:#ddd}.study-dot.active{background:var(--green)}.activity-top{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:12px;color:var(--muted)}progress{width:100%;height:8px;border:0;border-radius:10px;overflow:hidden;margin:14px 0 25px;appearance:none;background:#e7ebdf}progress::-webkit-progress-bar{background:#e7ebdf}progress::-webkit-progress-value{background:#71946a}progress::-moz-progress-bar{background:#71946a}.question-title{font-size:27px;letter-spacing:-.5px;line-height:1.3;margin:0 0 18px}.question-visual{font-size:42px;letter-spacing:10px;text-align:center;margin:25px 0}.options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:23px 0}.option{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#fffefa;border:2px solid #dfe3d9;border-radius:16px;padding:20px 13px;min-height:104px;transition:background .15s,border-color .15s}.option:hover:not(:disabled){background:#f0f4e9;border-color:#8aa58a}.option.selected{border-color:var(--green);background:#edf4e8}.option.wrong{border-color:#ba7058;background:#fbebe2}.option.correct{border-color:#5c8d50;background:#e5f0df}.option .figure{font-size:52px;line-height:1.2}.option .label{font-size:16px;overflow-wrap:anywhere}.option.letter .label{font-size:44px}.option.text-choice{min-height:100px}.option-audio{font-size:12px;border:0;background:transparent;padding:6px}.option-wrap{min-width:0;text-align:center}.option-wrap>.option{width:100%}.feedback{padding:16px 18px;border-radius:14px;margin-top:20px;background:#edf3e6;line-height:1.6}.feedback.retry{background:#fbebdd}.feedback strong{display:block}.feedback p{margin:6px 0;font-size:15px}.activity-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:24px;flex-wrap:wrap}.activity-bottom small{font-size:12px;color:var(--muted)}.tokens,.answer-tokens{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;padding:17px 0}.token{min-width:63px;padding:14px;border-radius:12px;border:2px solid #dce3d5;background:#f1f4eb;font-size:21px;font-weight:650}.answer-tokens{min-height:80px;border:2px dashed #d4ddcc;border-radius:16px;margin-top:21px}.answer-tokens:empty:before{content:'Toque nas partes para montar';color:var(--muted);font-size:14px;align-self:center}.number-input{display:block;width:190px;max-width:100%;margin:25px auto;padding:13px;border:2px solid #bbcdb4;border-radius:14px;font-size:34px;text-align:center;background:#fffefa}.micro{font-size:12px!important;color:var(--muted)}.voice-note{font-size:12px;color:#78552f;background:#fcf0db;padding:10px 14px;border-radius:12px;margin:15px 0}.source-text{padding:15px;background:#f2f0e6;border-radius:12px;margin:18px 0;font-size:14px}.source-text summary{cursor:pointer;font-weight:600}.source-text p{margin:12px 0 0}.summary{text-align:center;max-width:700px;margin:auto}.summary-icon{font-size:68px;margin:10px 0 15px}.summary h1{font-size:39px}.summary p{color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:30px 0}.stat{padding:20px;background:#eaf0e3;border-radius:15px;text-align:center}.stat b{display:block;font-size:31px;font-weight:600}.stat small{font-size:12px;color:var(--muted)}.summary-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.progress-list{margin-top:25px;display:grid;gap:12px}.progress-row{display:flex;align-items:center;gap:17px;background:#fffefa;border:1px solid var(--line);padding:17px 20px;border-radius:15px}.progress-row>div:nth-child(2){flex:1}.progress-row h3{font-size:16px;margin:0 0 5px}.progress-row small{color:var(--muted);font-size:12px}.empty{padding:30px;background:#fffefa;border-radius:18px;text-align:center}.empty p{color:var(--muted)}.settings{margin-top:35px;padding:23px;border:1px solid var(--line);border-radius:18px}.settings label{display:block;font-weight:600;font-size:14px}.settings select{width:100%;max-width:440px;padding:9px;border:1px solid #cad4c5;background:white;border-radius:8px;margin:10px 0}.settings .btn{margin-top:10px}footer{border-top:1px solid var(--line);max-width:1104px;margin:auto;padding:22px 0 30px;display:flex;gap:18px;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}.footer-brand{font-weight:650;color:var(--green);font-size:16px}footer small{font-size:11px}#toast:not(:empty){position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:14px;padding:13px 20px;z-index:10;max-width:90vw;text-align:center;font-size:14px}.btn:hover,.chip:hover{filter:brightness(.97)}@media(min-width:1000px){.begin-activity .options{gap:17px}.begin-activity .option{min-height:155px}.begin-activity .option .figure{font-size:66px}}@media(max-width:850px){.topbar{padding:20px;gap:15px}.topbar nav{gap:15px;font-size:13px}.brand{font-size:22px}.brand-mark{font-size:38px}.sound-toggle span{display:none}.hero{gap:0}.hero-art{transform:scale(.85);transform-origin:center}.hero h1{font-size:43px}.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-layout{grid-template-columns:175px minmax(0,1fr);gap:22px}.lesson-aside h2{font-size:21px}.study-card,.activity-card{padding:24px}footer{margin:0 25px}}@media(max-width:620px){.topbar{flex-wrap:wrap;padding:17px 20px 10px}.topbar nav{order:3;width:100%;justify-content:center;margin-top:7px;gap:25px}.sound-toggle{margin-left:auto}.brand{font-size:24px}.pilot{font-size:9px;padding:8px}.pilot span{display:block;font-size:11px;margin:2px 0 0}.hero{grid-template-columns:1fr;margin-bottom:24px}.hero h1{font-size:43px;max-width:390px}.hero-copy>p{font-size:16px}.hero-art{height:290px;max-width:370px;transform:scale(.9);margin-top:8px;margin-bottom:0}.art-oval{left:45px;width:260px;height:260px}.art-a{left:10px}.art-num{right:10px}.art-book{left:96px;bottom:0}.art-badge{right:0;bottom:75px}main{padding:30px 20px 45px}.section-heading{display:block}.section-heading>p{margin-top:12px;max-width:none}.paths{grid-template-columns:1fr;gap:16px}.path{padding:24px}.path .path-icon{margin-bottom:14px}.path h3{font-size:26px}.how{grid-template-columns:1fr;gap:16px;margin-top:30px}.how p{margin-bottom:0}.page-intro h1{font-size:36px}.lesson-grid{grid-template-columns:1fr}.lesson-card{padding:21px}.lesson-layout{display:block}.lesson-aside{padding:0 0 20px}.lesson-aside h2{font-size:22px;display:inline;margin-left:10px}.lesson-aside>.lesson-icon{display:inline-grid;width:40px;height:40px;font-size:23px}.lesson-aside p{margin:9px 0 0}.stages{display:flex;gap:16px}.stage{font-size:12px;padding:8px 0}.study-card,.activity-card,.summary{padding:21px 17px;border-radius:19px}.study-card p{font-size:16px}.question-title{font-size:23px}.options{gap:8px}.option{padding:15px 8px;min-height:120px}.option .figure{font-size:44px}.option .label{font-size:14px}.option.letter .label{font-size:37px}.options.text-options{grid-template-columns:1fr}.option.text-choice{min-height:62px}.option-audio{font-size:11px}.question-visual{font-size:34px;letter-spacing:5px}.stats{gap:8px}.stat{padding:15px 8px}.stat b{font-size:26px}.stat small{font-size:11px}.progress-row{padding:14px;gap:11px}.progress-row .lesson-icon{width:40px;height:40px;flex-shrink:0;font-size:23px}.progress-row .btn{padding:9px;font-size:12px}.progress-row h3{font-size:14px}.summary h1{font-size:32px}footer{flex-direction:column;gap:8px;padding:24px;margin:0 20px}.study-controls>.btn{flex:1}.activity-bottom>.btn{min-width:145px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

main:focus{outline:none}@media (min-width:621px) and (max-width:850px){.hero{grid-template-columns:minmax(0,1fr)}.hero-copy{max-width:570px}.hero h1{max-width:550px}.hero-art{height:315px;max-width:410px;transform:scale(.9)}.hero-copy>p{max-width:550px}}

.activity-card label.micro{display:block;margin-top:18px}

.paths{grid-template-columns:minmax(0,1fr)}.path p{max-width:600px}.path-bottom{margin-top:18px}