/* Página principal. Mesma linguagem da capa do livro: papel, tinta, faixa limão. */
.largo { width: min(1180px, 100% - 40px); margin-inline: auto; }
@media (max-width: 480px) { .largo { width: calc(100% - 32px); } }

.topo { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 20px 0 16px; border-bottom: 2px solid var(--tinta); }
.marca { font-weight: 900; font-size: 19px; letter-spacing: -.02em; color: inherit; text-decoration: none; white-space: nowrap; }
.menu { display: flex; flex-wrap: wrap; gap: 2px 18px; }
.menu a { font-size: 15px; font-weight: 700; color: inherit; text-decoration: none; }
.menu a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 560px) { .topo { flex-direction: column; align-items: flex-start; gap: 6px; } .menu { gap: 2px 14px; } .menu a { font-size: 14px; padding: 4px 0; } }

.hero { padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 4.5vw, 52px); }
.kicker { font-weight: 800; font-size: 13px; letter-spacing: .2em; }
h1 { font-size: clamp(34px, 10.2vw, 100px); line-height: 1; font-weight: 900; letter-spacing: -.045em; margin: .3em 0 .42em; }
h1 em { font: italic 400 1.1em/.9 "Instrument Serif", Georgia, serif; letter-spacing: -.025em; }
.faixa { display: inline-block; background: var(--limao); padding: .06em .16em .08em; margin: .1em 0 0 -.16em; }
@media (max-width: 640px) { .faixa { font-size: .88em; } }

.hero-grade { display: grid; gap: 28px; }
@media (min-width: 860px) { .hero-grade { grid-template-columns: minmax(0, 1fr) minmax(340px, 430px); gap: clamp(32px, 6vw, 80px); align-items: start; } }
.lead { font-size: clamp(19px, 2vw, 23px); line-height: 1.45; max-width: 33em; }

.compra { background: var(--cartao); border: 2px solid var(--tinta); border-radius: 18px; padding: 18px; display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 14px 18px; }
.compra img { width: 104px; height: auto; display: block; border: 1px solid var(--linha); }
.compra-nome { font-weight: 800; line-height: 1.25; }
.compra-formato { font-size: 14px; color: var(--suave); margin-top: 2px; }
.preco { font-size: 30px; font-weight: 900; letter-spacing: -.03em; line-height: 1.1; margin-top: 10px; }
.compra .botao { grid-column: 1 / -1; }
.compra .fino { grid-column: 1 / -1; }

.botao {
  display: block; text-align: center; background: var(--tinta); color: var(--limao); font-weight: 900; font-size: 18px; line-height: 1.25;
  text-decoration: none; padding: 16px 22px; min-height: 56px; border-radius: 12px; transition: transform .12s ease;
}
.botao:hover { transform: translateY(-2px); }
.botao[aria-disabled="true"] { background: #DAD7CC; color: var(--suave); cursor: default; transform: none; }
.fino { font-size: 14px; line-height: 1.45; color: var(--suave); }
.fino a { color: inherit; font-weight: 700; }

.demo { padding-bottom: clamp(56px, 8vw, 104px); }
.tela { position: relative; border: 2px solid var(--tinta); border-radius: 16px; background: #FBFBF9; aspect-ratio: 1600 / 1000; }
.tela video { width: 100%; height: 100%; display: block; border-radius: 14px; object-fit: cover; }
.selo { position: absolute; top: -13px; left: 18px; background: var(--limao); border: 2px solid var(--tinta); border-radius: 6px; padding: 2px 9px; font: 500 11px var(--mono); letter-spacing: .08em; white-space: nowrap; }
@media (max-width: 640px) { .tela { aspect-ratio: 720 / 924; } }
.demo figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; margin-top: 12px; font-size: 15px; color: var(--suave); }
.demo figcaption a { color: var(--tinta); font-weight: 800; }

.secao { padding: clamp(56px, 8vw, 104px) 0; border-top: 2px solid var(--tinta); }
.titulo { font-size: clamp(32px, 5vw, 58px); line-height: 1.04; font-weight: 900; letter-spacing: -.035em; }
.titulo em { font: italic 400 1.1em/.9 "Instrument Serif", Georgia, serif; letter-spacing: -.02em; }
.duas { display: grid; gap: 32px; }
@media (min-width: 900px) { .duas { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 80px); align-items: start; } }
.texto p { margin-top: 18px; font-size: 19px; line-height: 1.5; }

.leitura { background: var(--cartao); border: 2px solid var(--linha); border-radius: 18px; padding: clamp(18px, 3vw, 28px); }
.leitura h3 { font-size: 17px; font-weight: 800; margin-bottom: 14px; }
.leitura p { font-size: 16px; line-height: 1.55; margin-top: 12px; }
.tag { display: inline-block; font: 800 11px/1 Inter, system-ui, sans-serif; letter-spacing: .09em; padding: 6px 13px; margin-right: 8px; border-radius: 999px; background: #E9E8E1; color: var(--suave); vertical-align: 1px; white-space: nowrap; }
.tag-alerta { background: var(--alerta); color: var(--tinta); }
.legenda { font-size: 14px; line-height: 1.45; color: var(--suave); margin-top: 14px; }

.razao { margin-top: clamp(28px, 4vw, 44px); border-bottom: 2px solid var(--tinta); }
.razao > div { display: grid; gap: 4px; padding: 18px 0; border-top: 2px solid var(--tinta); }
@media (min-width: 760px) { .razao > div { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px; align-items: baseline; } }
.razao dt { font-size: 20px; font-weight: 800; letter-spacing: -.015em; line-height: 1.25; }
.razao dd { font-size: 17px; line-height: 1.5; color: #2B2D29; max-width: 42em; }

.banda-escura { background: var(--escuro); color: var(--claro); padding: clamp(56px, 8vw, 104px) 0; }
.banda-escura .titulo span { color: var(--limao); }
.banda-escura .abre { max-width: 40em; margin-top: 18px; font-size: 19px; line-height: 1.5; color: #D3D8D0; }
.modelos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: clamp(28px, 4vw, 44px); }
@media (min-width: 900px) { .modelos { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; } }
.modelo { background: var(--escuro-2); border: 1px solid var(--escuro-linha); border-radius: 14px; overflow: hidden; }
.modelo img { width: 100%; height: auto; aspect-ratio: 1180 / 1640; display: block; }
.modelo h3 { font-size: 19px; font-weight: 800; letter-spacing: -.01em; padding: 14px 14px 0; }
.modelo p { font-size: 14px; line-height: 1.45; color: var(--claro-suave); padding: 4px 14px 16px; }

.etapas { margin-top: clamp(28px, 4vw, 44px); border-bottom: 2px solid var(--tinta); }
.etapas > div { display: grid; gap: 10px; padding: 18px 0; border-top: 2px solid var(--tinta); }
@media (min-width: 760px) { .etapas > div { grid-template-columns: 210px minmax(0, 1fr); gap: 24px; align-items: baseline; } }
.etapas dt .tag { margin: 0; background: var(--tinta); color: var(--limao); padding: 7px 13px; font-size: 12px; }
.etapas dd { font-size: 18px; line-height: 1.5; max-width: 44em; }
.atalho { font-size: clamp(25px, 3.3vw, 38px); line-height: 1.2; font-weight: 800; letter-spacing: -.025em; margin-top: clamp(32px, 5vw, 56px); max-width: 26em; }
.atalho em { font: italic 400 1.14em/1 "Instrument Serif", Georgia, serif; background: var(--limao); padding: 0 .14em; letter-spacing: -.01em; }
.prova { margin-top: 18px; max-width: 44em; font-size: 18px; line-height: 1.5; }

.colunas { display: grid; gap: 40px; }
@media (min-width: 900px) { .colunas { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 80px); align-items: start; } }
.subtitulo { font-size: 24px; font-weight: 900; letter-spacing: -.02em; margin-bottom: 10px; }
.colunas ul, .final ul { padding-left: 1.15em; }
.colunas li { margin-top: 10px; line-height: 1.5; }
.nao-e { margin-top: 32px; }
.nao-e p { line-height: 1.5; }
.antes { background: var(--cartao); border: 2px solid var(--tinta); border-radius: 18px; padding: clamp(20px, 3vw, 32px); scroll-margin-top: 16px; }

.autor-nome { font-size: clamp(38px, 6vw, 72px); line-height: .98; font-weight: 900; letter-spacing: -.04em; }
.credencial { margin-top: 14px; font-weight: 700; }
.autor-texto p { font-size: 19px; line-height: 1.5; }
.autor-texto p + p { margin-top: 16px; }

.abre-claro { margin-top: 16px; font-size: 19px; line-height: 1.5; max-width: 42em; }
.sumario { display: grid; gap: 28px 40px; margin-top: clamp(28px, 4vw, 44px); }
@media (min-width: 760px) { .sumario { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .sumario { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sumario h3 { font: 500 13px var(--mono); letter-spacing: .1em; text-transform: uppercase; padding-bottom: 8px; border-bottom: 2px solid var(--tinta); }
.sumario ol { list-style: none; padding: 0; }
.sumario li { display: grid; grid-template-columns: 34px minmax(0, 1fr); padding: 8px 0; border-bottom: 1px solid var(--linha); line-height: 1.35; font-size: 16px; }
.sumario li span { font: 500 13px/1.6 var(--mono); color: var(--suave); }
.sumario .duracao { grid-column: 2; font: 500 12px var(--mono); color: var(--suave); }

.custos { width: 100%; border-collapse: collapse; border-bottom: 2px solid var(--tinta); }
.custos th, .custos td { display: block; text-align: left; padding: 0; line-height: 1.4; }
.custos tr { display: block; padding: 14px 0; border-top: 2px solid var(--tinta); }
.custos th { font-weight: 800; font-size: 17px; }
.custos td { font-size: 16px; color: #2B2D29; margin-top: 2px; }
@media (min-width: 640px) { .custos tr { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 20px; } .custos td { margin-top: 0; } }
.legenda-link a { color: inherit; font-weight: 800; }

.link-claro { color: var(--limao); font-weight: 800; }
.amostra video { width: 100%; aspect-ratio: 16 / 9; display: block; background: #000; border-radius: 12px; border: 1px solid var(--escuro-linha); }
.amostra figcaption { margin-top: 10px; font-size: 14px; color: var(--claro-suave); }
.banda-escura .duas { align-items: center; }

.perguntas { margin-top: clamp(24px, 4vw, 40px); border-bottom: 2px solid var(--tinta); }
.perguntas details { border-top: 2px solid var(--tinta); }
.perguntas summary { cursor: pointer; font-size: clamp(18px, 2vw, 21px); font-weight: 800; letter-spacing: -.01em; line-height: 1.3; padding: 16px 32px 16px 0; list-style: none; position: relative; }
.perguntas summary::-webkit-details-marker { display: none; }
.perguntas summary::after { content: "+"; position: absolute; right: 2px; top: 12px; font: 500 26px var(--mono); }
.perguntas details[open] summary::after { content: "−"; }
.perguntas p { padding: 0 32px 20px 0; max-width: 46em; line-height: 1.55; }
.perguntas a { color: inherit; font-weight: 700; }

.pagina-capa { padding: clamp(28px, 5vw, 60px) 0 clamp(32px, 4.5vw, 52px); }
.pagina-capa h1 { font-size: clamp(38px, 7.6vw, 88px); margin-bottom: .4em; }
.texto-corrido p { font-size: 19px; line-height: 1.55; max-width: 40em; }
.texto-corrido p + p { margin-top: 16px; }
.texto-corrido a { color: inherit; font-weight: 700; }
.modulos { display: grid; gap: 32px 48px; margin-top: clamp(24px, 4vw, 40px); }
@media (min-width: 860px) { .modulos { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.modulos h3 { font: 500 13px var(--mono); letter-spacing: .1em; text-transform: uppercase; padding-bottom: 8px; border-bottom: 2px solid var(--tinta); }
.modulos ol { list-style: none; padding: 0; }
.modulos li { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; gap: 0 8px; padding: 9px 0; border-bottom: 1px solid var(--linha); line-height: 1.35; font-size: 17px; }
.modulos li span { font: 500 13px/1.7 var(--mono); color: var(--suave); }

.comparar { width: 100%; border-collapse: collapse; margin-top: clamp(24px, 4vw, 40px); border-bottom: 2px solid var(--tinta); font-size: 16px; line-height: 1.45; }
.comparar th, .comparar td { text-align: left; vertical-align: top; padding: 14px 16px 14px 0; border-top: 2px solid var(--tinta); }
.comparar thead th { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; border-top: 0; }
.comparar tbody th { font-weight: 800; width: 20%; }
@media (max-width: 720px) {
  .comparar thead { display: none; }
  .comparar tr { display: block; border-top: 2px solid var(--tinta); padding: 12px 0; }
  .comparar tbody th, .comparar td { display: block; border: 0; padding: 2px 0; width: auto; }
  .comparar td::before { content: attr(data-lado) ": "; font-weight: 700; }
}
.conta { background: var(--cartao); border: 2px solid var(--tinta); border-radius: 18px; padding: clamp(18px, 3vw, 28px); margin-top: clamp(24px, 4vw, 40px); display: grid; gap: 20px; }
@media (min-width: 760px) { .conta { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; } }
.conta label { display: block; font-weight: 700; margin-bottom: 14px; line-height: 1.3; }
.conta input { display: block; width: 100%; margin-top: 6px; font: 700 20px Inter, system-ui, sans-serif; padding: 12px 14px; border: 2px solid var(--tinta); border-radius: 10px; background: #fff; color: var(--tinta); }
.conta dl { display: grid; gap: 10px; }
.conta dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; border-bottom: 1px solid var(--linha); padding-bottom: 8px; }
.conta dd { font-size: 24px; font-weight: 900; letter-spacing: -.02em; white-space: nowrap; }
.conta .saldo { font-weight: 800; }
.conta .saldo dd { background: var(--limao); padding: 0 8px; }

.final { background: var(--limao); padding: clamp(48px, 7vw, 88px) 0; border-top: 2px solid var(--tinta); }
.final-grade { display: grid; gap: 28px; align-items: center; }
@media (min-width: 760px) { .final-grade { grid-template-columns: minmax(200px, 300px) minmax(0, 1fr); gap: clamp(32px, 6vw, 72px); } }
.final img { width: min(240px, 62%); height: auto; display: block; border: 2px solid var(--tinta); }
@media (min-width: 760px) { .final img { width: 100%; } }
.final h2 { font-size: clamp(34px, 5.4vw, 64px); line-height: 1; font-weight: 900; letter-spacing: -.04em; }
.final-sub { font-size: clamp(19px, 2.2vw, 24px); font-weight: 700; margin-top: 10px; line-height: 1.3; }
.final ul { margin-top: 18px; }
.final li { margin-top: 6px; line-height: 1.45; }
.final-preco { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 14px; margin-top: 22px; }
.final-preco strong { font-size: 40px; font-weight: 900; letter-spacing: -.03em; line-height: 1.1; }
.final .botao { display: inline-block; margin-top: 14px; min-width: min(340px, 100%); }
.final .botao[aria-disabled="true"] { background: rgba(17, 19, 17, .14); color: var(--tinta); }
.final-video { margin-top: 14px; font-size: 16px; }
.final-video a { color: inherit; font-weight: 800; }

.rodape { padding: 28px 0 36px; font-size: 13px; line-height: 1.5; color: var(--suave); }
.rodape-topo { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px 24px; margin-bottom: 12px; }
.rodape strong { color: var(--tinta); font-weight: 900; font-size: 16px; }
.rodape nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.rodape a, .rodape button { color: var(--tinta); font: 700 13px Inter, system-ui, sans-serif; text-decoration: underline; background: none; border: 0; padding: 0; cursor: pointer; }