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

:root {
  --dark: #18181b;
  --dark-soft: #27272a;
  --cream: #faf9f6;
  --cream-dark: #f5f5f0;
  --green: #4ade80;
  --green-dark: #22c55e;
  --text-dark: #18181b;
  --text-light: #fafafa;
  --text-muted: #71717a;
  --text-muted-light: #a1a1aa;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.6;
}

.page {
  min-height: 100vh;
  padding: 60px 80px;
  page-break-after: always;
}

/* TIPOGRAFIA */
.serif {
  font-family: "Playfair Display", Georgia, serif;
}

.logo {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 28px;
  color: var(--text-light);
}

/* CAPA */
.cover {
  background: var(--dark);
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.cover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cover-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-muted-light);
  text-transform: uppercase;
}

.cover-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 800px;
}

.cover h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 72px;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 30px;
}

.cover h1 em {
  font-style: italic;
}

.cover-divider {
  width: 80px;
  height: 3px;
  background: var(--green);
  margin-bottom: 30px;
}

.cover-subtitle {
  font-size: 20px;
  font-weight: 300;
  color: var(--text-muted-light);
  margin-bottom: 8px;
}

.cover-desc {
  font-size: 16px;
  color: var(--text-muted);
}

.cover-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 50px 60px;
  background: var(--dark-soft);
  border-radius: 16px;
  margin-top: 60px;
}

.cover-feature {
  text-align: center;
}

.cover-feature-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.cover-feature-label {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}

.cover-feature-sublabel {
  font-size: 13px;
  color: var(--text-muted);
}

/* PÁGINAS INTERNAS - HEADER */
.page-light {
  background: var(--cream);
}

.page-header {
  margin-bottom: 60px;
}

.page-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 50px;
}

.logo-dark {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  color: var(--text-dark);
}

.page-number {
  font-size: 13px;
  color: var(--text-muted);
}

.page-header h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 48px;
  font-weight: 400;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 18px;
  color: var(--text-muted);
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.cards-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: white;
  border-radius: 12px;
  padding: 35px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.card-icon {
  font-size: 36px;
  margin-bottom: 20px;
}

.card h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* SOLUTION BOX */
.solution-box {
  background: var(--green);
  color: var(--dark);
  padding: 45px 50px;
  border-radius: 12px;
  text-align: center;
  margin-top: 50px;
}

.solution-box h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 8px;
}

.solution-box p {
  font-size: 16px;
  opacity: 0.8;
}

/* PERGUNTAS */
.questions-section {
  margin-bottom: 45px;
}

.questions-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.questions-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.questions-header h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.questions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.question-item {
  background: white;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-dark);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* CASOS DE USO */
.use-case-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.use-case-header {
  padding: 20px 28px;
  background: var(--dark);
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 14px;
}

.use-case-header span {
  font-size: 24px;
}

.use-case-header h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 18px;
  font-weight: 500;
}

.use-case-body {
  padding: 28px;
}

.use-case-body li {
  color: var(--text-muted);
  margin-bottom: 14px;
  font-size: 15px;
  padding-left: 24px;
  position: relative;
  list-style: none;
}

.use-case-body li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 600;
}

/* STEPS */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-bottom: 70px;
}

.step {
  text-align: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -35px;
  top: 50px;
  font-size: 28px;
  color: var(--text-muted-light);
}

.step-number {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 42px;
  margin: 0 auto 24px;
}

.step h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 10px;
}

.step p {
  color: var(--text-muted);
  font-size: 15px;
}

/* CONVERSA */
.conversation {
  background: white;
  border-radius: 12px;
  padding: 45px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.conversation-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.conversation-bubble {
  padding: 24px 28px;
  border-radius: 12px;
  margin-bottom: 24px;
}

.conversation-bubble.user {
  background: var(--cream);
  border-left: 3px solid var(--dark);
}

.conversation-bubble.ai {
  background: var(--cream);
  border-left: 3px solid var(--green);
}

.conversation-bubble p {
  color: var(--text-dark);
  font-size: 16px;
}

.conversation-bubble strong {
  font-weight: 600;
}

.conversation-bubble ul {
  margin: 18px 0;
  padding-left: 0;
  list-style: none;
}

.conversation-bubble li {
  color: var(--text-muted);
  margin-bottom: 10px;
  font-size: 15px;
  padding-left: 20px;
  position: relative;
}

.conversation-bubble li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--green);
}

.conversation-tip {
  background: var(--green);
  color: var(--dark);
  padding: 14px 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  display: inline-block;
}

/* BENEFÍCIOS */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.benefit-card {
  background: white;
  border-radius: 12px;
  padding: 35px;
  text-align: center;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.benefit-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.benefit-card h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* CTA FINAL */
.final-cta {
  background: var(--dark);
  color: var(--text-light);
  padding: 50px;
  border-radius: 12px;
  text-align: center;
}

.final-cta h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  margin-bottom: 12px;
}

.final-cta p {
  font-size: 16px;
  color: var(--text-muted-light);
  margin-bottom: 28px;
}

.btn {
  display: inline-block;
  background: var(--green);
  color: var(--dark);
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(74, 222, 128, 0.4);
}

/* PÁGINA CTA */
.cta-page {
  background: var(--dark);
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cta-page h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 64px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 30px;
}

.cta-page h2 em {
  font-style: italic;
}

.cta-divider {
  width: 80px;
  height: 3px;
  background: var(--green);
  margin-bottom: 30px;
}

.cta-subtitle {
  font-size: 20px;
  color: var(--text-muted-light);
  margin-bottom: 60px;
  line-height: 1.6;
}

.cta-box {
  background: var(--dark-soft);
  padding: 40px 70px;
  border-radius: 12px;
}

.cta-box .logo {
  font-size: 32px;
  margin-bottom: 8px;
  display: block;
}

.cta-box p {
  font-size: 14px;
  color: var(--text-muted);
}

/* PRINT */
@media print {
  .page {
    page-break-after: always;
    min-height: 100vh;
  }
}

/* ========================================
   RESPONSIVIDADE - TABLET
   ======================================== */
@media (max-width: 1024px) {
  .page {
    padding: 40px 50px;
  }

  .cover h1 {
    font-size: 56px;
  }

  .cover-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    padding: 40px;
  }

  .page-header h2 {
    font-size: 40px;
  }

  .steps {
    gap: 30px;
  }

  .step:not(:last-child)::after {
    right: -20px;
    font-size: 22px;
  }

  .step-number {
    width: 80px;
    height: 80px;
    font-size: 34px;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-page h2 {
    font-size: 48px;
  }
}

/* ========================================
   RESPONSIVIDADE - MOBILE
   ======================================== */
@media (max-width: 768px) {
  .page {
    padding: 30px 20px;
    min-height: auto;
  }

  /* CAPA */
  .cover {
    padding: 30px 20px;
  }

  .cover-header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .cover h1 {
    font-size: 38px;
    margin-bottom: 20px;
  }

  .cover-subtitle {
    font-size: 16px;
  }

  .cover-desc {
    font-size: 14px;
  }

  .cover-features {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 30px 20px;
    margin-top: 40px;
  }

  .cover-feature-icon {
    font-size: 26px;
  }

  .cover-feature-label {
    font-size: 16px;
  }

  .cover-feature-sublabel {
    font-size: 12px;
  }

  /* HEADER DAS PÁGINAS */
  .page-header {
    margin-bottom: 40px;
  }

  .page-header-top {
    margin-bottom: 30px;
  }

  .logo-dark {
    font-size: 20px;
  }

  .page-number {
    font-size: 12px;
  }

  .page-header h2 {
    font-size: 32px;
    margin-bottom: 8px;
  }

  .page-header p {
    font-size: 16px;
  }

  /* CARDS */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cards-grid-3 {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 25px;
  }

  .card-icon {
    font-size: 30px;
    margin-bottom: 15px;
  }

  .card h3 {
    font-size: 20px;
  }

  .card p {
    font-size: 14px;
  }

  /* SOLUTION BOX */
  .solution-box {
    padding: 30px 25px;
    margin-top: 30px;
  }

  .solution-box h3 {
    font-size: 20px;
  }

  .solution-box p {
    font-size: 14px;
  }

  /* PERGUNTAS */
  .questions-section {
    margin-bottom: 35px;
  }

  .questions-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .question-item {
    padding: 14px 16px;
    font-size: 14px;
  }

  /* USE CASES */
  .use-case-header {
    padding: 16px 20px;
  }

  .use-case-header span {
    font-size: 20px;
  }

  .use-case-header h3 {
    font-size: 16px;
  }

  .use-case-body {
    padding: 20px;
  }

  .use-case-body li {
    font-size: 14px;
    margin-bottom: 12px;
  }

  /* STEPS */
  .steps {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 50px;
  }

  .step:not(:last-child)::after {
    content: "↓";
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    top: auto;
    bottom: -30px;
    font-size: 24px;
  }

  .step-number {
    width: 70px;
    height: 70px;
    font-size: 30px;
    margin-bottom: 18px;
  }

  .step h3 {
    font-size: 20px;
  }

  .step p {
    font-size: 14px;
  }

  /* CONVERSA */
  .conversation {
    padding: 25px 20px;
  }

  .conversation-label {
    font-size: 10px;
  }

  .conversation-bubble {
    padding: 18px 20px;
    margin-bottom: 18px;
  }

  .conversation-bubble p {
    font-size: 14px;
  }

  .conversation-bubble li {
    font-size: 14px;
  }

  .conversation-tip {
    padding: 12px 16px;
    font-size: 13px;
  }

  /* BENEFÍCIOS */
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 40px;
  }

  .benefit-card {
    padding: 25px;
  }

  .benefit-icon {
    font-size: 34px;
    margin-bottom: 15px;
  }

  .benefit-card h3 {
    font-size: 18px;
  }

  .benefit-card p {
    font-size: 13px;
  }

  /* CTA FINAL */
  .final-cta {
    padding: 35px 25px;
  }

  .final-cta h3 {
    font-size: 24px;
  }

  .final-cta p {
    font-size: 14px;
    margin-bottom: 20px;
  }

  .btn {
    padding: 14px 28px;
    font-size: 13px;
  }

  /* PÁGINA CTA */
  .cta-page h2 {
    font-size: 32px;
    margin-bottom: 20px;
  }

  .cta-subtitle {
    font-size: 16px;
    margin-bottom: 40px;
  }

  .cta-subtitle br {
    display: none;
  }

  .cta-box {
    padding: 30px 40px;
  }

  .cta-box .logo {
    font-size: 26px;
  }

  .cta-box p {
    font-size: 13px;
  }
}

/* ========================================
   RESPONSIVIDADE - MOBILE PEQUENO
   ======================================== */
@media (max-width: 480px) {
  .page {
    padding: 25px 16px;
  }

  .cover h1 {
    font-size: 32px;
  }

  .cover-features {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 25px 15px;
  }

  .page-header h2 {
    font-size: 28px;
  }

  .cta-page h2 {
    font-size: 28px;
  }

  .cta-box {
    padding: 25px 30px;
    width: 100%;
  }
}