:root { --fundo: #e8f7f8; --fundo2: #cdeef1; --papel: #fff; --tinta: #06181c; --ciano: #22d3e3; --verde: #0a7f8c; --noite: #0b4a52; --mudo: #2d4a4f; --gut: clamp(18px, 5vw, 56px); --max: 1040px;
  --display: 'Big Shoulders Display', 'Arial Narrow', sans-serif; --texto: 'Hanken Grotesk', system-ui, sans-serif; }
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--fundo); scroll-behavior: smooth; }
body { margin: 0; color: var(--tinta); font: 400 1.05rem/1.6 var(--texto); -webkit-font-smoothing: antialiased; overflow-x: clip; padding-bottom: 84px; }
h1, h2, h3, p, ul, ol { margin: 0; padding: 0; } ul, ol { list-style: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 900; text-transform: uppercase; text-wrap: balance; line-height: .95; }
h1 { font-size: clamp(2.7rem, 11vw, 5.4rem); } h2 { font-size: clamp(2.1rem, 7vw, 3.8rem); max-width: 18ch; } h3 { font-size: 1.5rem; line-height: 1; }
em { font-style: normal; background: var(--ciano); padding: 0 .14em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
a { color: inherit; } :focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; }
.caixa { width: min(var(--max), 100%); margin: 0 auto; padding: 0 var(--gut); }
section { padding: clamp(52px, 9vw, 104px) 0; border-top: 3px solid var(--tinta); }
.sub { margin-top: 18px; max-width: 58ch; color: var(--mudo); font-size: 1.12rem; }
.topo { position: sticky; top: 0; z-index: 20; background: var(--fundo); border-bottom: 3px solid var(--tinta); }
.topo .caixa { display: flex; align-items: center; justify-content: space-between; min-height: 60px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 900 1.45rem/1 var(--display); text-transform: uppercase; }
.marca img { width: 30px; height: 30px; border-radius: 6px; }
.botao { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 28px; border: 3px solid var(--tinta); border-radius: 10px; background: var(--ciano); color: var(--tinta); font: 800 1.05rem var(--texto); text-decoration: none; cursor: pointer; box-shadow: 4px 4px 0 var(--tinta); transition: transform .15s, box-shadow .15s; }
.botao:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--tinta); } .botao:active { transform: none; box-shadow: 2px 2px 0 var(--tinta); }
.botao[disabled] { opacity: .6; cursor: wait; }
.botao.pequeno { min-height: 42px; padding: 0 16px; font-size: .92rem; box-shadow: 3px 3px 0 var(--tinta); }
.heroi { border-top: 0; padding-top: clamp(36px, 7vw, 80px); }
.heroi .grade { display: grid; gap: 36px; align-items: center; }
.selo { display: inline-block; margin-bottom: 18px; padding: 4px 12px; border: 2px solid var(--tinta); border-radius: 99px; background: var(--papel); font: 700 .8rem var(--texto); text-transform: uppercase; letter-spacing: .06em; }
.preco-linha { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; margin: 26px 0 18px; }
.preco { font: 900 clamp(3.4rem, 14vw, 5rem)/1 var(--display); } .preco small { font-size: .45em; margin-right: 4px; }
.preco-nota { color: var(--mudo); font-size: .95rem; }
.capa { justify-self: center; width: min(300px, 78%); aspect-ratio: 3/4; border: 3px solid var(--tinta); border-radius: 12px; background: var(--noite); color: var(--papel); padding: 26px 22px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 10px 10px 0 var(--tinta); transform: rotate(-2deg); }
.capa b { font: 900 2.3rem/.95 var(--display); text-transform: uppercase; } .capa b span { color: var(--ciano); } .capa small { font-size: .82rem; color: #bfe3e6; }
.capa img { width: 38px; height: 38px; border-radius: 8px; }
.lista-dor { display: grid; gap: 12px; margin-top: 28px; }
.lista-dor li { padding: 14px 16px 14px 46px; position: relative; background: var(--papel); border: 2px solid var(--tinta); border-radius: 10px; }
.lista-dor li::before { content: '✕'; position: absolute; left: 16px; font-weight: 900; color: var(--verde); }
.fundo2 { background: var(--fundo2); } .noite { background: var(--noite); color: var(--papel); } .noite .sub { color: #bfe3e6; }
.modulos { display: grid; gap: 14px; margin-top: 32px; counter-reset: m; }
.modulos li { counter-increment: m; background: var(--papel); border: 3px solid var(--tinta); border-radius: 12px; padding: 18px 18px 18px 74px; position: relative; }
.modulos li::before { content: counter(m); position: absolute; left: 16px; top: 14px; width: 44px; height: 44px; display: grid; place-items: center; background: var(--ciano); border: 3px solid var(--tinta); border-radius: 50%; font: 900 1.5rem var(--display); }
.modulos li.destaque { background: var(--tinta); color: var(--papel); } .modulos li.destaque p { color: #bfe3e6; }
.modulos p { color: var(--mudo); font-size: .98rem; margin-top: 4px; }
.numeros { display: grid; gap: 14px; margin-top: 30px; }
.numeros div { border: 2px solid var(--ciano); border-radius: 12px; padding: 18px; } .numeros strong { display: block; font: 900 3rem/1 var(--display); color: var(--ciano); }
.numeros small { display: block; margin-top: 8px; font-size: .85rem; color: #bfe3e6; }
.nota-prova { margin-top: 18px; font-size: .9rem; color: #bfe3e6; }
.comprar { display: grid; gap: 28px; } 
form { display: grid; gap: 14px; background: var(--papel); border: 3px solid var(--tinta); border-radius: 14px; padding: 22px; box-shadow: 8px 8px 0 var(--tinta); }
label { display: grid; gap: 6px; font-weight: 700; font-size: .92rem; }
input { min-height: 52px; padding: 0 14px; border: 2px solid var(--tinta); border-radius: 8px; font: inherit; background: var(--fundo); }
.armadilha { position: absolute; left: -9999px; }
.erro { color: #a3162a; font-weight: 700; min-height: 1.4em; font-size: .95rem; }
.seguro { font-size: .85rem; color: var(--mudo); text-align: center; }
details { background: var(--papel); border: 2px solid var(--tinta); border-radius: 10px; padding: 0 18px; margin-top: 12px; }
summary { cursor: pointer; padding: 16px 0; font-weight: 800; } details p { padding-bottom: 16px; color: var(--mudo); }
footer { padding: 36px 0; border-top: 3px solid var(--tinta); font-size: .88rem; color: var(--mudo); }
.barra-compra { position: fixed; inset: auto 0 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px var(--gut); background: var(--fundo); border-top: 3px solid var(--tinta); }
.barra-compra b { font: 900 1.7rem/1 var(--display); } .barra-compra span { display: block; font-size: .75rem; color: var(--mudo); }
.provisorio { background: #fff3b0; border-bottom: 2px solid var(--tinta); text-align: center; font: 700 .82rem var(--texto); padding: 6px 12px; }
.obrigado { padding: 60px 0; border: 0; text-align: center; } .obrigado .caixa { max-width: 640px; }
.obrigado h1 { font-size: clamp(2.4rem, 9vw, 4.2rem); } .obrigado .botao { margin-top: 24px; }
.convite { margin-top: 44px; padding: 24px; background: var(--noite); color: var(--papel); border: 3px solid var(--tinta); border-radius: 14px; text-align: left; box-shadow: 8px 8px 0 var(--tinta); }
.convite .selo { display:inline-block; margin:0 0 10px; padding:4px 10px; background: var(--papel); color: var(--tinta); border-radius: 999px; font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.convite .nota { font-size: .85rem; opacity: .8; }
.convite p { color: #bfe3e6; margin: 10px 0 0; }
@media (min-width: 800px) { .heroi .grade { grid-template-columns: 1.25fr .75fr; } .modulos { grid-template-columns: 1fr 1fr; } .numeros { grid-template-columns: repeat(3, 1fr); } .comprar { grid-template-columns: 1fr 1fr; align-items: start; } .barra-compra { display: none; } body { padding-bottom: 0; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .botao { transition: none; } }
.capa-img { justify-self: center; width: min(320px, 80%); height: auto; border: 3px solid var(--tinta); border-radius: 12px; box-shadow: 10px 10px 0 var(--tinta); transform: rotate(-2deg); }

/* Oferta de lançamento: contagem regressiva até um horário fixo */
.preco-bloco { display: inline-flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.preco-cheio { font: 700 1.5rem/1 var(--display); color: var(--mudo); text-decoration-thickness: 3px; }
.oferta-topo { background: var(--tinta); color: var(--fundo); text-align: center; font: 800 .9rem/1.2 var(--texto); padding: 8px 0; }
.oferta-topo[hidden], .oferta-relogio[hidden], .preco-cheio[hidden] { display: none; }
.oferta-topo time, .oferta-relogio time { font-variant-numeric: tabular-nums; font-weight: 900; }
.oferta-relogio { margin: 0 0 14px; font-weight: 700; }
.oferta-relogio time { display: inline-block; padding: 2px 10px; background: var(--ciano); border: 3px solid var(--tinta); border-radius: 8px; font: 900 1.3rem/1.2 var(--display); }

/* Amostra em flipbook */
.amostra .livro { margin: 32px auto 16px; width: min(760px, 100%); display: flex; justify-content: center; }
.amostra .livro > div { box-shadow: 0 18px 40px rgba(6, 24, 28, .28); }
.livro-controles { display: flex; align-items: center; justify-content: center; gap: 18px; margin-bottom: 14px; font-weight: 700; }
.livro-nota { text-align: center; color: var(--mudo); font-size: .95rem; margin-bottom: 22px; }
.amostra .botao { display: flex; width: fit-content; margin: 0 auto; }

/* Obrigado: leitura na tela */
.leitura { margin: 28px 0 8px; padding: 22px 18px; background: var(--papel); border: 3px solid var(--tinta); border-radius: 12px; box-shadow: 6px 6px 0 var(--tinta); }
.leitura .acoes { display: flex; flex-wrap: wrap; gap: 6px 14px; justify-content: center; }
.leitura .nota { margin-top: 16px; color: var(--mudo); font-size: .92rem; }