:root {
  --papel: #f3f2ee;
  --papel-2: #ebe9e2;
  --branco: #ffffff;
  --tinta: #151515;
  --tinta-2: #4a4a48;
  --tinta-3: #8a8985;
  --linha: rgba(20, 20, 20, 0.08);
  --principal: #ff5b22;
  --principal-escuro: #c4400f;
  --amarelo: #f5b71f;
  --verde: #1e7b45;
  --vermelho: #e33b2e;
  --escuro: #0b0b0c;
  --raio: 22px;
  --sombra: 0 24px 60px rgba(0, 0, 0, 0.12), 0 6px 16px rgba(0, 0, 0, 0.06);
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif: 'Playfair Display', Georgia, serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --titulo: 'Anton', 'Impact', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--tinta);
  background: var(--papel);
  background-image:
    linear-gradient(var(--linha) 1px, transparent 1px),
    linear-gradient(90deg, var(--linha) 1px, transparent 1px);
  background-size: 48px 48px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* destaque em serifa itálica, como nos vídeos */
em.d { font-family: var(--serif); font-style: italic; font-weight: 800; letter-spacing: -0.01em; }

.etiqueta {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--tinta);
  color: #fff;
  border-radius: 999px;
  padding: 7px 14px;
}
.etiqueta.clara { background: #fff; color: var(--tinta); box-shadow: inset 0 0 0 2px var(--tinta); }
.etiqueta.amarela { background: var(--amarelo); color: var(--tinta); }

/* topo */
.topo { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(10px); background: rgba(243, 242, 238, 0.82); border-bottom: 1px solid var(--linha); }
.topo .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: var(--titulo); font-size: 24px; letter-spacing: 0.02em; text-decoration: none; }
.logo span { color: var(--principal); }

/* botões */
.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  cursor: pointer;
  font: 700 17px/1 var(--sans);
  text-decoration: none;
  color: #fff;
  background: var(--principal);
  border-radius: 999px;
  padding: 18px 30px;
  box-shadow: 0 10px 0 var(--principal-escuro), 0 18px 30px rgba(255, 91, 34, 0.3);
  transition: transform 0.12s, box-shadow 0.12s;
}
.botao:hover { transform: translateY(-2px); }
.botao:active { transform: translateY(6px); box-shadow: 0 4px 0 var(--principal-escuro), 0 8px 16px rgba(255, 91, 34, 0.3); }
.botao[disabled] { opacity: 0.7; cursor: wait; }
.botao.pequeno { font-size: 14px; padding: 11px 18px; box-shadow: 0 5px 0 var(--principal-escuro); }
.botao.largo { width: 100%; }
.selos { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 18px; font-size: 14px; color: var(--tinta-2); }
.selos span::before { content: '✓ '; color: var(--verde); font-weight: 800; }
.erro-checkout { color: var(--vermelho); font-weight: 600; margin-top: 12px; min-height: 1.2em; }

/* hero */
.hero { padding: 56px 0 72px; }
.hero .container { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5.4vw, 64px); line-height: 1.04; letter-spacing: -0.03em; margin: 18px 0 18px; font-weight: 800; }
.hero h1 em.d { color: var(--principal); }
.hero p.sub { font-size: clamp(17px, 2vw, 20px); color: var(--tinta-2); max-width: 560px; margin: 0 0 28px; }

.celular {
  position: relative;
  width: min(320px, 78vw);
  margin-inline: auto;
  aspect-ratio: 9 / 18.5;
  border-radius: 46px;
  background: var(--tinta);
  padding: 12px;
  box-shadow: var(--sombra), 0 0 0 2px #2a2a2a inset;
  transform: rotate(3deg);
}
.celular video { width: 100%; height: 100%; object-fit: cover; border-radius: 36px; background: #222; }
.celular .aviso {
  position: absolute;
  left: -28px;
  bottom: 70px;
  transform: rotate(-6deg);
  background: var(--amarelo);
  border: 3px solid var(--tinta);
  border-radius: 14px;
  padding: 8px 14px;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
  max-width: 200px;
  line-height: 1.25;
}

/* seções */
section { padding: 72px 0; }
.titulo-secao { text-align: center; max-width: 760px; margin: 0 auto 40px; }
.titulo-secao h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.1; letter-spacing: -0.025em; margin: 14px 0 12px; }
.titulo-secao p { color: var(--tinta-2); font-size: 18px; margin: 0; }

.cartoes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cartao { background: var(--branco); border-radius: var(--raio); padding: 24px; box-shadow: var(--sombra); }
.cartao .icone { font-size: 34px; }
.cartao h3 { margin: 12px 0 6px; font-size: 19px; line-height: 1.25; }
.cartao p { margin: 0; color: var(--tinta-2); font-size: 15px; }

/* passos do método — fundo escuro com holofote */
.escuro { background: var(--escuro); color: #fff; position: relative; overflow: hidden; }
.escuro::before {
  content: '';
  position: absolute;
  inset: -20% 25% auto;
  height: 80%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.14), transparent);
  pointer-events: none;
}
.escuro .titulo-secao p { color: #b9b9b9; }
.passos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.passo { border: 2px dashed rgba(245, 183, 31, 0.55); border-radius: var(--raio); padding: 24px; background: rgba(245, 183, 31, 0.05); }
.passo .num { font-family: var(--titulo); font-size: 52px; color: var(--amarelo); line-height: 1; }
.passo h3 { margin: 10px 0 6px; font-size: 20px; }
.passo p { margin: 0; color: #c9c9c9; font-size: 15px; }

/* módulos */
.modulos { display: grid; gap: 12px; max-width: 820px; margin: 0 auto; counter-reset: modulo; }
.modulo { display: flex; gap: 18px; align-items: flex-start; background: var(--branco); border-radius: 18px; padding: 20px 22px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06); }
.modulo::before {
  counter-increment: modulo;
  content: counter(modulo, decimal-leading-zero);
  font-family: var(--mono);
  font-weight: 800;
  font-size: 14px;
  background: var(--tinta);
  color: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  flex-shrink: 0;
}
.modulo h3 { margin: 2px 0 4px; font-size: 18px; }
.modulo p { margin: 0; color: var(--tinta-2); font-size: 15px; }

/* para quem é */
.duas-colunas { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 920px; margin: 0 auto; }
.lista { background: var(--branco); border-radius: var(--raio); padding: 28px; box-shadow: var(--sombra); }
.lista h3 { margin: 0 0 14px; font-size: 20px; }
.lista ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.lista li { padding-left: 30px; position: relative; color: var(--tinta-2); }
.lista li::before { position: absolute; left: 0; top: 0; font-weight: 900; }
.lista.sim li::before { content: '✓'; color: var(--verde); }
.lista.nao li::before { content: '✕'; color: var(--vermelho); }

/* oferta */
.oferta-secao { background: var(--principal); position: relative; overflow: hidden; }
.oferta-secao::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: repeating-conic-gradient(from 0deg at 50% 50%, rgba(255, 255, 255, 0.08) 0deg 5deg, transparent 5deg 15deg);
  animation: girar 90s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .oferta-secao::before { animation: none; } }
.caixa-oferta { position: relative; max-width: 560px; margin: 0 auto; background: var(--branco); border-radius: 28px; padding: 36px 32px; box-shadow: 0 40px 90px rgba(0, 0, 0, 0.3); text-align: center; }
.caixa-oferta ul { text-align: left; list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 10px; }
.caixa-oferta li { padding-left: 30px; position: relative; }
.caixa-oferta li::before { content: '✓'; position: absolute; left: 0; color: var(--verde); font-weight: 900; }
.preco { font-family: var(--titulo); font-size: 76px; line-height: 1; margin: 6px 0 4px; letter-spacing: 0.01em; }
.preco-nota { color: var(--tinta-3); font-size: 15px; margin-bottom: 22px; }
.pagamentos { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.pagamentos span { font-family: var(--mono); font-weight: 800; font-size: 11px; letter-spacing: 0.08em; border: 2px solid var(--linha); border-radius: 8px; padding: 5px 9px; color: var(--tinta-2); }

/* garantia */
.garantia { display: flex; gap: 24px; align-items: center; max-width: 820px; margin: 0 auto; background: var(--branco); border-radius: var(--raio); padding: 28px; box-shadow: var(--sombra); }
.garantia .selo { flex-shrink: 0; width: 110px; height: 110px; border-radius: 50%; background: var(--verde); color: #fff; display: grid; place-items: center; text-align: center; font-family: var(--titulo); font-size: 20px; line-height: 1.05; border: 6px solid #fff; box-shadow: 0 0 0 4px var(--verde); }
.garantia h3 { margin: 0 0 6px; font-size: 22px; }
.garantia p { margin: 0; color: var(--tinta-2); }

/* perguntas */
.perguntas { max-width: 820px; margin: 0 auto; display: grid; gap: 10px; }
details { background: var(--branco); border-radius: 16px; padding: 4px 22px; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05); }
summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 22px; line-height: 1; color: var(--principal); }
details[open] summary::after { content: '−'; }
details p { margin: 0 0 18px; color: var(--tinta-2); }

/* rodapé */
.rodape { padding: 40px 0 56px; color: var(--tinta-3); font-size: 13px; border-top: 1px solid var(--linha); }
.rodape .container { display: grid; gap: 10px; }
.rodape nav { display: flex; gap: 16px; flex-wrap: wrap; }

/* barra fixa no celular */
.barra-compra { display: none; }

@media (max-width: 900px) {
  .hero { padding-top: 32px; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-texto { text-align: center; }
  .hero p.sub { margin-inline: auto; }
  .selos { justify-content: center; }
  .cartoes, .passos { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  section { padding: 56px 0; }
  .cartoes, .passos, .duas-colunas { grid-template-columns: 1fr; }
  .garantia { flex-direction: column; text-align: center; }
  .caixa-oferta { padding: 28px 20px; }
  .celular .aviso { left: -12px; }
  .barra-compra {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--linha);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(110%);
    transition: transform 0.25s;
  }
  .barra-compra.visivel { transform: none; }
  .barra-compra strong { font-family: var(--titulo); font-size: 26px; font-weight: 400; }
  body { padding-bottom: 80px; }
}