/* ==========================================================================
   ESTILOS DA CARTA DE VENDAS CLÁSSICA (TIPOGRAFIA EDITORIAL DE ALTA LEGIBILIDADE)
   Fontes: Outfit (Títulos) + DM Sans (Corpo ultra-legível)
   ========================================================================== */

:root {
  --bg-color: #ffffff;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  
  /* Contraste Ótico Perfeito para Leitura sem Cansaço Visual */
  --text-primary: #111827;     /* Preto profundo/slate escuro, nunca cinza desbotado */
  --text-secondary: #374151;   /* Parágrafos e detalhes com alta definição */
  --text-muted: #4b5563;
  --text-darkest: #000000;
  
  /* Cores de Ação e Destaque Pontuais */
  --accent-red: #b91c1c;
  --accent-red-bg: #fef2f2;
  --accent-red-border: #fecaca;
  --accent-blue: #1d4ed8;
  --accent-blue-hover: #1e40af;
  --accent-blue-bg: #eff6ff;
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.75;
  letter-spacing: -0.01em;
  padding: 0 0 90px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Barra Fixa/Sticky no Topo (100% largura e centralizada) */
.top-sticky-bar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--accent-red-bg);
  border-bottom: 1px solid var(--accent-red-border);
  color: var(--accent-red);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-align: center;
  padding: 12px 16px;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.deadline-highlight {
  color: var(--accent-red);
  font-weight: 800;
}

/* Container da Carta (Largura áurea para leitura rápida sem cansar a vista) */
.sales-letter {
  width: 100%;
  max-width: 660px;
  padding: 34px 18px 0 18px;
  display: flex;
  flex-direction: column;
}

/* Header & Headline */
.letter-header {
  margin-bottom: 34px;
}

.pre-headline {
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent-red);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.headline {
  font-family: var(--font-heading);
  font-size: 29px;
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -0.025em;
  color: var(--text-darkest);
  margin-bottom: 18px;
}

.highlight-red {
  color: var(--accent-red);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.subheadline {
  font-size: 18.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Cards das Imagens */
.proof-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 32px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.proof-tag {
  display: inline-block;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #0f172a;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.image-wrapper {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
}

.proof-img {
  width: 100%;
  height: auto;
  display: block;
}

.image-caption {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
  font-style: italic;
}

/* Corpo da Carta (Estilo Boron Letters) */
.letter-body p {
  margin-bottom: 24px;
  color: var(--text-primary);
  font-size: 19px;
  line-height: 1.78;
}

.letter-body strong {
  font-weight: 700;
  color: var(--text-darkest);
}

.lead-text {
  font-size: 21px;
  color: var(--text-darkest);
  margin-bottom: 24px;
  font-weight: 500;
}

.callout-quote {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.48;
  color: var(--text-darkest);
  border-left: 4px solid var(--text-primary);
  padding: 14px 18px;
  margin: 28px 0;
  background: #f8fafc;
  border-radius: 0 8px 8px 0;
}

.epiphany-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-left: 4px solid var(--accent-blue);
  border-radius: 8px;
  padding: 24px;
  margin: 34px 0;
}

.epiphany-box h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-blue);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.letter-body h2 {
  font-family: var(--font-heading);
  font-size: 25px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-darkest);
  margin: 40px 0 20px 0;
  letter-spacing: -0.02em;
}

/* Lista de Benefícios */
.benefit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 32px 0;
}

.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 16px 18px;
  border-radius: 8px;
  font-size: 16.5px;
  line-height: 1.58;
  color: var(--text-primary);
}

.benefit-list .icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Passos dos R$ 10k */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 28px 0 32px 0;
}

.step-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 18px;
}

.step-num {
  width: 38px;
  height: 38px;
  background: #0f172a;
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content h4 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-darkest);
  margin-bottom: 4px;
  letter-spacing: -0.015em;
}

.step-content p {
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* SEÇÃO DA OFERTA (PREÇO R$ 49,90) */
.offer-section {
  background: #fafafa;
  border: 2px solid #000000;
  border-radius: 16px;
  padding: 34px 22px;
  margin: 44px 0 32px 0;
  text-align: center;
}

.offer-badge {
  display: inline-block;
  background: #000000;
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.offer-title {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-darkest);
  line-height: 1.25;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.offer-subtitle {
  font-size: 16.5px;
  color: var(--text-secondary);
  margin-bottom: 26px;
  line-height: 1.5;
}

.offer-deliverables {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #ffffff;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  margin-bottom: 28px;
  font-size: 15.5px;
  line-height: 1.55;
}

.offer-deliverables li strong {
  color: var(--text-darkest);
}

/* Box de Preço */
.price-box {
  margin-bottom: 18px;
}

.price-anchor {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.strike {
  text-decoration: line-through;
  color: var(--accent-red);
}

.main-price {
  font-family: var(--font-heading);
  color: var(--text-darkest);
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 6px;
}

.main-price .currency {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-darkest);
  margin-right: 4px;
}

.main-price .amount {
  font-size: 74px;
  font-weight: 800;
  line-height: 1;
  color: var(--text-darkest);
  letter-spacing: -2px;
}

.main-price .cents {
  font-size: 34px;
  font-weight: 800;
  color: var(--text-darkest);
}

.price-installments {
  font-size: 15px;
  color: var(--text-secondary);
}

.price-comparison {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Botão de Checkout (Azul Clássico de Ação) */
.cta-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-blue);
  color: #ffffff;
  text-decoration: none;
  padding: 19px 22px;
  border-radius: 8px;
  transition: background-color 0.2s ease;
  margin-bottom: 22px;
}

.cta-button span {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.cta-button small {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  margin-top: 4px;
}

.cta-button:hover {
  background-color: var(--accent-blue-hover);
}

/* Garantia */
.guarantee-box {
  display: flex;
  align-items: flex-start;
  text-align: left;
  gap: 14px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 18px;
}

.guarantee-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.guarantee-text strong {
  font-size: 15px;
  color: var(--text-darkest);
  display: block;
  margin-bottom: 4px;
}

.guarantee-text p {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 0;
}

.security-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

/* P.S. Section */
.ps-section {
  border-top: 1px solid var(--card-border);
  padding-top: 30px;
  margin-top: 20px;
}

.ps-section p {
  font-size: 17.5px;
  color: var(--text-secondary);
  margin-bottom: 18px;
  line-height: 1.65;
}

.ps-cta-wrap {
  margin-top: 20px;
}

.ps-cta-link {
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 16.5px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.ps-cta-link:hover {
  color: var(--accent-blue-hover);
}

/* Responsividade Desktop */
@media (min-width: 600px) {
  body {
    padding: 0 0 110px 0;
    font-size: 20px;
  }

  .sales-letter {
    padding: 44px 20px 0 20px;
  }
  
  .headline {
    font-size: 35px;
  }

  .cta-button span {
    font-size: 20px;
  }

  .offer-section {
    padding: 42px 32px;
  }
}
