/* ==========================================================================
   PÁGINA DE VENDAS — ANTES DE CLICAR (livroantesdeclicar.com.br)
   Estilo Visual: Minimalista, Sóbrio, Editorial, Contemporâneo e Profissional
   ========================================================================== */

/* Importação de Tipografia Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;1,6..72,400&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  /* Cores Principais */
  --bg-primary: #FAFAFC;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-editorial: #F8FAFC;
  --bg-dark: #0F172A;
  --bg-dark-surface: #1E293B;

  /* Texto */
  --text-main: #1E293B;
  --text-muted: #475569;
  --text-light: #64748B;
  --text-inverse: #F8FAFC;

  /* Accent & CTA */
  --color-primary: #1E3A8A;
  --color-primary-hover: #1D4ED8;
  --color-accent: #2563EB;
  --color-accent-subtle: #EFF6FF;
  --border-color: #E2E8F0;
  --border-focus: #94A3B8;

  /* Fontes */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-editorial: 'Newsreader', Georgia, serif;

  /* Espaçamentos e Estrutura */
  --container-max: 1120px;
  --container-narrow: 840px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.12);
  --shadow-editorial: 0 20px 40px -15px rgba(15, 23, 42, 0.15);

  /* Transição */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset Básico */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Utilitários de Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-editorial {
  background-color: var(--bg-editorial);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
}

/* Tipografia */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #FFFFFF;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 12px;
  background-color: var(--color-accent-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}

.section-dark .section-tag {
  background-color: rgba(37, 99, 235, 0.2);
  color: #93C5FD;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  font-weight: 400;
  max-width: 680px;
  margin-bottom: 48px;
}

.section-dark .section-subtitle {
  color: #94A3B8;
}

.text-editorial {
  font-family: var(--font-editorial);
  font-style: italic;
}

/* Botões CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
  border: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 20px 40px;
  font-size: 1.125rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Container de CTA e Nota de Redirecionamento */
.cta-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: 24px;
}

.cta-redirect-note {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-light);
  margin-top: 10px;
  max-width: 460px;
  font-weight: 400;
  text-align: center;
}

.hero-cta-group .cta-redirect-note {
  text-align: left;
}

.differential-box .cta-redirect-note {
  color: #94A3B8;
}

@media (max-width: 991px) {
  .hero-cta-group .cta-redirect-note {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Header Fixo */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
  background-color: rgba(250, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo span {
  font-weight: 400;
  color: var(--text-light);
  font-size: 0.875rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.header-link:hover {
  color: var(--text-main);
}

/* SEÇÃO 1 — HERO */
.hero-section {
  padding-top: calc(var(--header-height) + 64px);
  padding-bottom: 80px;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-surface) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--bg-editorial);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--bg-dark);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 32px;
}

.hero-quote-box {
  border-left: 3px solid var(--color-primary);
  padding-left: 20px;
  margin-bottom: 36px;
}

.hero-quote {
  font-family: var(--font-editorial);
  font-size: 1.375rem;
  color: var(--text-main);
  font-style: italic;
  margin-bottom: 8px;
}

.hero-quote-desc {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-cta-sub {
  font-size: 0.8125rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-book-shadow {
  position: absolute;
  bottom: -20px;
  width: 80%;
  height: 30px;
  background: radial-gradient(ellipse at center, rgba(15, 23, 42, 0.25) 0%, rgba(15, 23, 42, 0) 70%);
  filter: blur(10px);
  z-index: 1;
}

.hero-book-img {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-editorial);
  max-width: 420px;
  width: 100%;
  transition: transform var(--transition-normal);
}

.hero-book-img:hover {
  transform: translateY(-6px);
}

/* SEÇÃO 2 — O PROBLEMA */
.problem-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.problem-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin: 36px 0;
}

.problem-step-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}

.problem-step-num {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.problem-step-text {
  font-size: 0.9375rem;
  color: var(--text-main);
  font-weight: 500;
}

.problem-highlight {
  background-color: var(--color-accent-subtle);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* SEÇÃO 3 — A IDEIA DO LIVRO */
.idea-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 48px;
}

.idea-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.idea-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.idea-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.idea-title {
  font-size: 1.375rem;
  margin-bottom: 12px;
}

.idea-desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.idea-plus {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-light);
  text-align: center;
}

.idea-result-box {
  margin-top: 48px;
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.idea-result-title {
  color: #FFFFFF;
  font-size: 1.5rem;
  margin-bottom: 12px;
}

/* SEÇÃO 4 — O QUE O LEITOR VAI ENCONTRAR */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-md);
}

.feature-number {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.feature-title {
  font-size: 1.1875rem;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* SEÇÃO 5 — DIFERENCIAL DO LIVRO */
.differential-box {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-surface) 100%);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.differential-title {
  color: #FFFFFF;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 24px;
}

.differential-quote {
  font-family: var(--font-editorial);
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-style: italic;
  max-width: 760px;
  margin: 0 auto 36px auto;
  line-height: 1.5;
  color: #E2E8F0;
}

/* SEÇÃO 6 — PARA QUEM É O LIVRO */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.audience-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.audience-card.not-for {
  background-color: var(--bg-primary);
}

.audience-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.audience-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.audience-icon.yes {
  background-color: #DCFCE7;
  color: #166534;
}

.audience-icon.no {
  background-color: #F1F5F9;
  color: #64748B;
}

.audience-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.audience-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text-main);
}

.audience-list li svg {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* SEÇÃO 7 — AMOSTRA DO LIVRO */
.sample-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.sample-image-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-editorial);
  border: 1px solid var(--border-color);
}

.sample-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sample-item {
  padding-left: 20px;
  border-left: 2px solid var(--border-color);
}

.sample-item.active {
  border-left-color: var(--color-primary);
}

.sample-item-title {
  font-size: 1.125rem;
  margin-bottom: 6px;
}

.sample-item-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* SEÇÃO 8 — SOBRE O AUTOR */
.author-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: center;
}

.author-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background-color: var(--bg-editorial);
  border: 4px solid var(--bg-surface);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 auto;
}

.author-bio h3 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.author-role {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.author-text {
  font-size: 0.96875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* SEÇÃO 9 — O QUE O LIVRO NÃO PROMETE */
.no-promise-box {
  background-color: var(--bg-editorial);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}

.no-promise-title {
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.no-promise-text {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 24px auto;
  line-height: 1.7;
}

/* SEÇÃO 10 — PERGUNTAS FREQUENTES (FAQ) */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-focus);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  gap: 16px;
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--text-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.96875rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 24px 24px;
}

/* SEÇÃO 11 — OFERTA */
.offer-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.offer-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 20px;
  border-radius: 100px;
}

.offer-book-title {
  font-size: 2rem;
  margin-bottom: 8px;
}

.offer-book-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.offer-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  max-width: 480px;
  margin: 0 auto 36px auto;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 24px 0;
}

.offer-details-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.96875rem;
  color: var(--text-main);
  font-weight: 500;
}

.offer-details-list svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.offer-cta-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.offer-guarantee {
  font-size: 0.8125rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* SEÇÃO 12 — CTA FINAL */
.final-cta-box {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.final-quote-list {
  list-style: none;
  font-family: var(--font-editorial);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-style: italic;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.final-conclusion {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 40px;
  letter-spacing: -0.01em;
}

/* RODAPÉ */
.site-footer {
  background-color: var(--bg-dark);
  color: #94A3B8;
  padding: 64px 0 32px 0;
  border-top: 1px solid var(--bg-dark-surface);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  color: #FFFFFF;
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.footer-brand p {
  color: #64748B;
  max-width: 380px;
  line-height: 1.6;
}

.footer-title {
  color: #FFFFFF;
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid var(--bg-dark-surface);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #64748B;
  font-size: 0.8125rem;
}

/* RESPONSIVIDADE MOBILE-FIRST */
@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero-quote-box {
    border-left: none;
    border-top: 2px solid var(--color-primary);
    padding-left: 0;
    padding-top: 16px;
  }

  .idea-grid {
    grid-template-columns: 1fr;
  }

  .idea-plus {
    transform: rotate(90deg);
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .sample-grid {
    grid-template-columns: 1fr;
  }

  .author-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }

  .btn-lg {
    width: 100%;
    padding: 18px 24px;
  }

  .header-nav .header-link {
    display: none;
  }

  .problem-card,
  .differential-box,
  .audience-card,
  .author-card,
  .offer-card {
    padding: 32px 20px;
  }
}