:root {
  --azul: #1f2e40; --azul2: #2c3e50; --ouro: #c9a96e; --ouro-claro: #e6cf9f;
  --creme: #f6f1e7; --papel: #fffdf8; --texto: #1f2a36; --suave: #5b6672;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: 'EB Garamond', Georgia, serif; color: var(--texto); background: var(--creme); font-size: 19px; line-height: 1.55; }
a { color: var(--azul2); }

.topo { background: radial-gradient(ellipse at 50% 20%, #34506f 0%, #1f2e40 55%, #141e2a 100%); color: #f4ede0; padding: 36px 16px 44px; }
.topo .wrap { max-width: 980px; margin: 0 auto; display: grid; grid-template-columns: 300px 1fr; gap: 44px; align-items: center; }
.capa { width: 100%; height: auto; border-radius: 3px 8px 8px 3px; box-shadow: 0 26px 50px rgba(0,0,0,.5); display: block; }
.kicker { letter-spacing: .32em; font-size: 13px; color: var(--ouro-claro); margin: 0 0 8px; text-transform: uppercase; font-family: Arial, sans-serif; }
h1 { font-size: 64px; line-height: 1; margin: 0; font-weight: 600; letter-spacing: .03em; color: #fbf5ea; }
.subtitulo { font-style: italic; font-size: 30px; margin: 4px 0 10px; color: #efe3cc; }
.autor { letter-spacing: .18em; font-size: 15px; color: var(--ouro-claro); margin: 0 0 22px; text-transform: uppercase; }
.preco { display: flex; align-items: baseline; gap: 8px; margin: 0 0 16px; }
.preco .rs { font-size: 22px; color: var(--ouro-claro); }
.preco .v { font-size: 52px; font-weight: 700; color: #fff; line-height: 1; }
.preco .obs { font-size: 16px; color: #cfd6de; margin-left: 6px; }

form.compra { background: var(--papel); color: var(--texto); border-radius: 14px; padding: 20px; box-shadow: 0 16px 40px rgba(0,0,0,.3); }
label { display: block; font-size: 15px; font-family: Arial, sans-serif; color: var(--suave); margin: 0 0 4px; }
input { width: 100%; font-size: 18px; padding: 12px 14px; border: 1px solid #d6cdbd; border-radius: 10px; margin: 0 0 12px; font-family: Arial, sans-serif; background: #fff; }
input:focus { outline: 2px solid var(--ouro); border-color: var(--ouro); }
.botao { display: block; width: 100%; text-align: center; background: var(--ouro); color: var(--azul); border: 0; border-radius: 999px; padding: 15px 20px;
  font: 700 19px Arial, sans-serif; cursor: pointer; text-decoration: none; margin: 6px 0 0; }
.botao:hover { background: #d8b878; }
.botao[disabled] { opacity: .6; cursor: wait; }
.botao.secundario { background: transparent; border: 2px solid var(--azul2); color: var(--azul2); }
.selos { font: 14px Arial, sans-serif; color: var(--suave); text-align: center; margin: 10px 0 0; }
.erro { background: #fdecea; color: #8a1f12; border-radius: 8px; padding: 10px 12px; font: 15px Arial, sans-serif; margin: 0 0 12px; display: none; }
.erro.visivel { display: block; }

section { padding: 48px 16px; }
section .wrap { max-width: 720px; margin: 0 auto; }
h2 { font-size: 30px; color: var(--azul2); margin: 0 0 16px; font-weight: 600; }
.citacao { font-style: italic; font-size: 24px; color: var(--azul2); border-left: 3px solid var(--ouro); padding: 4px 0 4px 18px; margin: 24px 0; }
.sumario { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 32px; }
.sumario li { break-inside: avoid; margin: 0 0 8px; }
.sumario span { color: var(--ouro); display: inline-block; min-width: 1.6em; }
.claro { background: var(--papel); }
.passos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.passo { background: var(--creme); border-radius: 12px; padding: 16px; font-size: 17px; }
.passo b { display: block; color: var(--azul2); font-size: 19px; margin-bottom: 4px; }
details { background: var(--creme); border-radius: 12px; padding: 14px 16px; margin: 0 0 10px; }
summary { cursor: pointer; font-weight: 600; color: var(--azul2); }
.reenviar { display: flex; gap: 8px; margin-top: 10px; }
.reenviar input { margin: 0; }
.reenviar .botao { width: auto; margin: 0; white-space: nowrap; }
footer { text-align: center; padding: 28px 16px 40px; font: 14px Arial, sans-serif; color: var(--suave); }

/* Páginas simples: obrigado, download, erro */
body.simples { display: flex; min-height: 100vh; align-items: center; justify-content: center; padding: 24px 16px; background: radial-gradient(ellipse at 50% 0%, #34506f 0%, #1f2e40 60%, #141e2a 100%); }
.cartao { background: var(--papel); border-radius: 18px; padding: 30px 24px; max-width: 460px; width: 100%; text-align: center; box-shadow: 0 24px 60px rgba(0,0,0,.4); }
.cartao h1 { color: var(--azul2); font-size: 32px; line-height: 1.15; margin: 0 0 6px; }
.cartao .sub { font-style: italic; color: var(--suave); margin: 0 0 20px; }
.cartao .dica { font-size: 16px; color: var(--suave); margin: 8px 0 18px; }
.apps { background: var(--creme); border-radius: 12px; padding: 14px; margin: 0 0 18px; text-align: left; }
.apps p { font: 15px/1.45 Arial, sans-serif; color: var(--suave); margin: 0 0 10px; }
.apps .app { display: block; border: 1px solid #d6cdbd; background: #fff; border-radius: 10px; padding: 10px 14px; margin: 8px 0 0;
  font: 700 16px Arial, sans-serif; color: var(--azul2); text-decoration: none; }
.apps .app span { display: block; font: 12px Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase; color: var(--suave); margin-bottom: 2px; }
.apps .app:hover { border-color: var(--ouro); }
.capa-mini { width: 120px; border-radius: 3px; box-shadow: 0 10px 24px rgba(0,0,0,.25); margin: 0 auto 16px; display: block; }
.girando { width: 36px; height: 36px; border: 4px solid #eadfca; border-top-color: var(--ouro); border-radius: 50%; margin: 10px auto 16px; animation: g 1s linear infinite; }
@keyframes g { to { transform: rotate(360deg); } }

/* Página do comprador (download + instruções) */
body.dl .dl-topo { background: radial-gradient(ellipse at 50% 20%, #34506f 0%, #1f2e40 55%, #141e2a 100%); color: #f4ede0; padding: 40px 16px 48px; }
.dl-topo .wrap { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: center; }
.dl-capa { width: 100%; height: auto; border-radius: 3px 8px 8px 3px; box-shadow: 0 26px 50px rgba(0,0,0,.5); display: block; }
.dl-topo h1 { font-size: 52px; line-height: 1.05; }
.dl-botoes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 6px 0 12px; }
.dl-botoes .botao { margin: 0; line-height: 1.2; }
.dl-botoes .botao small { display: block; font: 400 13px Arial, sans-serif; opacity: .8; margin-top: 3px; }
.botao.claro { background: #fbf5ea; color: var(--azul); }
.botao.claro:hover { background: #fff; }
.dl-nota { font: 14px Arial, sans-serif; color: #cfd6de; margin: 0; }
.dl-como { max-width: 900px; display: grid; grid-template-columns: 300px 1fr; gap: 44px; align-items: start; }
.dl-video video { width: 100%; aspect-ratio: 9 / 16; border-radius: 22px; background: #1f2e40; box-shadow: 0 20px 50px rgba(31,46,64,.3); display: block; }
.dl-intro { color: var(--suave); margin: -6px 0 18px; }
.dl-passos { list-style: none; counter-reset: p; padding: 0; margin: 0; }
.dl-passos li { counter-increment: p; position: relative; padding: 14px 16px 16px 64px; background: var(--creme); border-radius: 12px; margin: 0 0 12px; font-size: 18px; }
.dl-passos li::before { content: counter(p); position: absolute; left: 16px; top: 14px; width: 34px; height: 34px; border-radius: 50%; background: var(--azul); color: var(--ouro-claro);
  font: 700 17px/34px Arial, sans-serif; text-align: center; }
.dl-passos b { display: block; color: var(--azul2); font-size: 20px; margin-bottom: 2px; }
.dl-passos .app { display: table; margin-top: 10px; border: 1px solid #d6cdbd; background: #fff; border-radius: 10px; padding: 8px 14px;
  font: 700 15px Arial, sans-serif; color: var(--azul2); text-decoration: none; }
.dl-passos .app span { display: block; font: 11px Arial, sans-serif; letter-spacing: .08em; text-transform: uppercase; color: var(--suave); }
.dl-passos .app:hover { border-color: var(--ouro); }
body.dl section .wrap { max-width: 900px; }

@media (max-width: 760px) {
  .dl-topo .wrap { grid-template-columns: 1fr; gap: 18px; text-align: center; }
  .dl-capa { width: 130px; margin: 0 auto; }
  .dl-topo h1 { font-size: 38px; }
  .dl-botoes { grid-template-columns: 1fr; }
  .dl-como { grid-template-columns: 1fr; gap: 24px; }
  .dl-video { max-width: 300px; margin: 0 auto; width: 100%; }
  body { font-size: 18px; }
  .topo { padding: 24px 16px 32px; }
  .topo .wrap { grid-template-columns: 1fr; gap: 20px; text-align: center; }
  .capa { width: 120px; margin: 0 auto; }
  .kicker { letter-spacing: .2em; font-size: 12px; }
  h1 { font-size: 44px; }
  .autor { margin-bottom: 14px; }
  .preco .v { font-size: 44px; }
  .subtitulo { font-size: 24px; }
  .preco { justify-content: center; }
  form.compra { text-align: left; }
  .sumario { columns: 1; }
  .passos { grid-template-columns: 1fr; }
  .reenviar { flex-direction: column; }
  .reenviar .botao { width: 100%; }
}