:root{--v:#173f35;--v2:#245b4b;--cr:#f5f0e5;--pap:#fffdf8;--te:#bd684c;--ou:#d7a84f;--tx:#20312b;--mu:#68746e;--ln:#dcd8cc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--pap);color:var(--tx);font-family:Arial,sans-serif}a{color:inherit;text-decoration:none}.topo{height:78px;padding:0 7vw;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:9;background:#fffdf8f2;border-bottom:1px solid var(--ln);backdrop-filter:blur(10px)}.marca{display:flex;align-items:center;gap:11px}.j{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--v);color:var(--cr);font:italic 25px Georgia}.marca span{display:flex;flex-direction:column}.marca strong{font:18px Georgia}.marca small{font-size:9px;color:var(--mu)}nav{display:flex;gap:25px;font-size:12px;font-weight:bold}.hero{min-height:620px;display:grid;grid-template-columns:1.05fr .95fr;background:var(--cr)}.texto{padding:85px 5vw 75px 8vw;display:flex;justify-content:center;flex-direction:column}.tag{font-size:11px;font-weight:bold;text-transform:uppercase;color:var(--v2)}.tag b{background:var(--te);color:#fff;padding:7px 11px;border-radius:30px;margin-right:8px}.hero h1{font:clamp(52px,7vw,92px)/.95 Georgia;margin:28px 0 22px;letter-spacing:-.05em}.hero h1 em{display:block;color:var(--te);font-weight:normal}.lead{font:20px/1.6 Georgia;color:#46554e;max-width:650px}.botoes{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}.botoes a{padding:14px 18px;border-radius:8px;font-size:12px;font-weight:bold;border:1px solid #bcb8ad}.botoes a:first-child{background:var(--v);color:#fff}.habilidades{margin-top:28px;font:700 11px monospace;color:var(--v2)}.arte{background:var(--v);color:var(--cr);display:grid;place-items:center;padding:48px;text-align:center}.arte div{max-width:430px}.arte p{font:23px/1.45 Georgia}.arte strong{display:block;font:74px Georgia;color:var(--ou);margin:25px}.arte b{display:block;font-size:17px}.arte small{display:block;margin:10px;color:#bed0c8}.frase{background:var(--te);color:#fff;padding:36px 8vw;text-align:center;font:clamp(21px,3vw,33px)/1.4 Georgia}.sec,.escura{padding:85px 8vw}.titulo{margin-bottom:40px}.titulo small{color:var(--te);font-weight:bold;letter-spacing:.15em}.titulo h2{font:clamp(37px,5vw,58px) Georgia;margin:9px 0}.titulo p{font:18px Georgia;color:var(--mu);margin:0}.claro{color:var(--cr)}.claro p{color:#bdcec7}.cartoes{display:grid;grid-template-columns:1fr 1fr;gap:22px}.conceito{border:1px solid var(--ln);border-top:5px solid var(--v);padding:30px;border-radius:14px;background:#fff}.conceito.exp{border-top-color:var(--te)}.conceito h3{font:33px Georgia;margin:8px 0}.conceito p{color:var(--mu)}.sequencia{padding:23px;background:var(--cr);border-radius:9px;text-align:center;font-size:19px;font-weight:bold;margin:24px 0}.conceito footer{font-size:12px;color:var(--mu)}.escura{background:var(--v)}.sim{display:grid;grid-template-columns:.8fr 1.2fr;background:var(--pap);border-radius:16px;overflow:hidden}.controles,.resultado{padding:40px}.controles label{display:flex;justify-content:space-between;font-weight:bold}.controles output{font:32px Georgia;color:var(--te)}input[type=range]{width:100%;accent-color:var(--te);margin:27px 0}.formula{background:var(--cr);padding:23px;border-radius:10px;text-align:center}.formula strong{display:block;font:50px Georgia;color:var(--v);margin:10px}.resultado{background:#e7deca;display:flex;flex-direction:column;justify-content:center}.resultado>small{color:var(--te);font-weight:bold}.resultado>strong{font:clamp(35px,5vw,65px) Georgia;word-break:break-word;margin:13px 0}.resultado p{color:var(--mu)}.potencias{display:grid;grid-template-columns:repeat(6,1fr);border-radius:12px;overflow:hidden}.potencias div{background:#fff;padding:19px 8px;text-align:center;border:1px solid var(--ln)}.potencias span{display:block;font:23px Georgia;color:var(--v)}.potencias b{display:block;color:var(--te);margin-top:5px}.gloss{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:25px}.gloss p{border-left:3px solid var(--te);padding-left:16px;color:var(--mu);line-height:1.6}.exemplo{border:1px solid var(--ln);border-radius:15px;overflow:hidden}.problema{background:var(--cr);padding:27px}.problema h3{font:29px Georgia;margin:8px 0}.linha{padding:35px 22px;display:flex;justify-content:space-between;overflow:auto}.linha span{display:flex;flex-direction:column;align-items:center;min-width:55px}.linha b{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--v);color:#fff;margin-top:7px}.solucao{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ln)}.solucao p{padding:20px 27px;margin:0}.solucao p+p{border-left:1px solid var(--ln)}.solucao strong{display:block;font:23px Georgia;margin-top:7px}.quiz{display:grid;gap:16px}.questao{background:var(--pap);border-radius:13px;padding:25px;display:grid;grid-template-columns:50px 1fr;gap:18px}.numero{font:25px Georgia;color:var(--te)}.questao h3{font:21px Georgia;margin:2px 0 17px}.opcoes{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.opcoes button{padding:12px;text-align:left;background:#fff;border:1px solid var(--ln);border-radius:8px;cursor:pointer;color:var(--tx)}.opcoes button:hover{border-color:var(--te)}.opcoes button.certa{background:#e2f2eb;border-color:#398067}.opcoes button.errada{background:#fae6df;border-color:var(--te)}.feedback{padding:10px;border-radius:7px;font-size:12px;background:#e2f2eb;color:var(--v2)}.feedback.erro{background:#fae6df;color:#91432c}.placar{max-width:480px;margin:22px auto 0;background:var(--te);color:#fff;border-radius:13px;text-align:center;padding:21px}.placar strong{display:block;font:46px Georgia}.proxima{padding:75px 8vw;background:var(--cr);display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.proxima h2{font:42px Georgia;margin:9px 0}.video{background:var(--pap);border:1px solid var(--ln);padding:24px;border-radius:12px;font-weight:bold}.rodape{background:#102f28;color:var(--cr);padding:42px 8vw;display:flex;align-items:center;justify-content:space-between;gap:20px}.rodape p{font:16px Georgia;color:#c5d5cf}.creme{background:var(--cr)}
@media(max-width:850px){nav{display:none}.hero,.sim,.proxima{grid-template-columns:1fr}.arte{min-height:450px}.cartoes{grid-template-columns:1fr}.potencias{grid-template-columns:repeat(3,1fr)}.gloss{grid-template-columns:1fr}.opcoes{grid-template-columns:1fr}.rodape{flex-direction:column;text-align:center}}@media(max-width:550px){.topo{height:69px;padding:0 18px}.marca small{display:none}.texto{padding:55px 22px}.hero h1{font-size:50px}.arte{padding:40px 20px}.arte strong{font-size:58px}.arte b{font-size:13px}.sec,.escura{padding:64px 22px}.titulo h2{font-size:39px}.controles,.resultado{padding:26px 20px}.potencias{grid-template-columns:repeat(2,1fr)}.questao{grid-template-columns:1fr;padding:20px}.solucao{grid-template-columns:1fr}.solucao p+p{border-left:0;border-top:1px solid var(--ln)}.proxima{padding:60px 22px}}

/* Componentes exclusivos da Aula 2 */
.arte2 .formulaHero{font-size:clamp(52px,6vw,84px);margin:26px 0 14px}.arte2 p b{color:var(--ou)}.formulaRegras{display:flex;justify-content:center;gap:10px;margin:20px}.formulaRegras span{border:1px solid #8da89d;border-radius:30px;padding:8px 14px;font-weight:bold}.defBox{background:var(--v);color:var(--cr);border-radius:16px;padding:36px;display:grid;grid-template-columns:.75fr 1.25fr;gap:35px;align-items:center}.formulaGrande{text-align:center;font:clamp(48px,6vw,78px) Georgia;color:var(--ou)}.regras{display:grid;grid-template-columns:1fr 1fr;gap:13px}.regras article{background:#ffffff10;border:1px solid #ffffff22;border-radius:10px;padding:20px}.regras b{font:27px Georgia;color:#fff}.regras p{color:#c9d8d2;line-height:1.55;margin-bottom:0}.compararFormulas{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:22px}.compararFormulas article{border:1px solid var(--ln);border-radius:13px;padding:25px;background:#fff}.compararFormulas span{font-size:10px;font-weight:bold;color:var(--te);letter-spacing:.12em}.compararFormulas strong{display:block;font:40px Georgia;margin:13px 0}.compararFormulas p{color:var(--mu)}.tabelaWrap{overflow:auto;border-radius:14px;border:1px solid var(--ln)}table{border-collapse:collapse;width:100%;background:#fff;text-align:center}th{background:var(--v);color:#fff;padding:18px;font:20px Georgia}th small{display:block;color:#bcd0c7;font:9px Arial;letter-spacing:.12em;text-transform:uppercase;margin-top:5px}td{padding:15px;border-bottom:1px solid var(--ln)}tbody tr:last-child td{border-bottom:0}td:nth-child(3){background:#f7eae4;color:var(--te);font-size:18px}.insight{margin-top:20px;border-left:4px solid var(--te);background:#fff;padding:20px 24px;line-height:1.65}.lab{display:grid;grid-template-columns:.62fr 1.38fr;background:var(--pap);border-radius:16px;overflow:hidden}.painel{padding:35px}.painel label{display:flex;justify-content:space-between;font-weight:bold}.painel output{font:30px Georgia;color:var(--te)}.painel input{width:100%;accent-color:var(--te);margin:25px 0}.checagens{margin-top:20px;color:var(--v2);font-size:13px}.checagens p{border-bottom:1px solid var(--ln);padding:8px 0;margin:0}.graficoBox{background:#e8dfcc;padding:25px;min-width:0}.graficoBox svg{width:100%;height:auto;background:#fff;border-radius:10px}.grid{stroke:#e7e3da;stroke-width:1}.axis{stroke:#43554d;stroke-width:2}.tick{font:10px Arial;fill:#7b847f}.plot{fill:none;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.linearPlot{stroke:var(--v2)}.expPlot{stroke:var(--te)}.point{fill:var(--ou);stroke:#fff;stroke-width:3}.pointLabel{font:bold 12px Arial;fill:var(--te)}.legenda{display:flex;gap:25px;justify-content:center;margin-top:12px;font-size:11px;font-weight:bold}.legenda i{display:inline-block;width:24px;height:4px;border-radius:3px;margin-right:7px;vertical-align:middle}.legenda .reta{background:var(--v2)}.legenda .curva{background:var(--te)}.caracteristicas{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.caracteristicas article{border:1px solid var(--ln);border-radius:13px;padding:25px}.caracteristicas article>b{font:26px Georgia;color:var(--te)}.caracteristicas h3{font:25px Georgia;margin:12px 0}.caracteristicas p{color:var(--mu);line-height:1.6}.pontoZero{margin-top:25px;background:var(--cr);border-radius:13px;padding:22px;display:flex;align-items:center;gap:20px}.pontoZero span{background:var(--te);color:#fff;border-radius:40px;padding:12px 17px;font:bold 18px Georgia;white-space:nowrap}.pontoZero p{margin:0;line-height:1.6}.linha i{color:var(--te);font-style:normal;font-weight:bold;align-self:center}
@media(max-width:850px){.defBox,.lab{grid-template-columns:1fr}.compararFormulas,.regras{grid-template-columns:1fr}.caracteristicas{grid-template-columns:1fr}.graficoBox{padding:15px}}
@media(max-width:550px){.defBox{padding:25px 20px}.formulaGrande{font-size:51px}.compararFormulas{grid-template-columns:1fr}.pontoZero{align-items:flex-start;flex-direction:column}.arte2 .formulaHero{font-size:53px}.linha i{display:none}}