/* Reset e Variáveis */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #4D96FF;
  --secondary-color: #6BCB77;
  --accent-color: #FFD93D;
  --text-color: #333;
  --text-light: #666;
  --bg-color: #f8f9fa;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navegação */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.navbar-menu a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s;
}

.navbar-menu a:hover,
.navbar-menu a.active {
  opacity: 0.8;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-image {
  text-align: center;
}

.hero-icon {
  font-size: 8rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Botões */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: #3a7ac4;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--bg-color);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

/* Seção de E-books */
.ebooks-section {
  padding: 4rem 0;
  background-color: var(--bg-color);
}

.ebooks-section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.ebooks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.ebook-card {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border-top: 4px solid;
  text-align: center;
}

.ebook-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.ebook-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.ebook-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.ebook-subtitle {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.ebook-description {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.ebook-meta {
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

.pages {
  display: inline-block;
  background-color: var(--bg-color);
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
}

/* Seção de Benefícios */
.benefits-section {
  padding: 4rem 0;
}

.benefits-section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.benefit-card {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

.benefit-card:hover {
  transform: translateY(-5px);
}

.benefit-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.benefit-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.benefit-card p {
  color: var(--text-light);
}

/* Seção de Testemunhos */
.testimonials-section {
  padding: 4rem 0;
  background-color: var(--bg-color);
}

.testimonials-section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary-color);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-color);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* Breadcrumb */
.breadcrumb {
  background-color: var(--bg-color);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb a,
.breadcrumb span {
  color: var(--text-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--primary-color);
}

/* Detalhes do E-book */
.ebook-detail {
  padding: 3rem 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.ebook-cover {
  border-radius: 0.75rem;
  padding: 2rem;
  color: white;
  text-align: center;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-lg);
}

.cover-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.ebook-cover h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.ebook-cover p {
  font-size: 1rem;
  opacity: 0.9;
}

.detail-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.detail-info {
  background-color: var(--bg-color);
  padding: 1.5rem;
  border-radius: 0.75rem;
  margin-top: 2rem;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 600;
}

.info-value {
  color: var(--primary-color);
}

.detail-right h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.full-description,
.highlights,
.topics {
  margin-bottom: 2rem;
}

.full-description h3,
.highlights h3,
.topics h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.highlights ul {
  list-style: none;
  padding-left: 0;
}

.highlights li {
  padding: 0.5rem 0;
  color: var(--text-light);
}

.topics-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topic-tag {
  background-color: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.9rem;
}

.cta-box {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: 0.75rem;
  border-left: 4px solid var(--primary-color);
}

.cta-box h3 {
  margin-bottom: 0.5rem;
}

.cta-box p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* Outros E-books */
.other-ebooks {
  padding: 3rem 0;
  background-color: var(--bg-color);
}

.other-ebooks h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.ebooks-grid-small {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.ebook-card-small {
  background: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
  border-top: 4px solid;
  text-align: center;
}

.ebook-card-small h4 {
  margin-bottom: 1rem;
}

/* Seção Sobre */
.about-section {
  padding: 3rem 0;
}

.about-section h1 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2.5rem;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.about-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--text-light);
}

.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.feature {
  background-color: var(--bg-color);
  padding: 1.5rem;
  border-radius: 0.75rem;
}

.feature h3 {
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.series-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0;
}

.series-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  color: var(--text-light);
}

.series-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.value-card {
  background: white;
  border: 2px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 0.75rem;
  text-align: center;
}

.value-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* Seção de Contato */
.contact-section {
  padding: 3rem 0;
}

.contact-section h1 {
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: 2.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin: 2rem 0;
}

.contact-form {
  background-color: var(--bg-color);
  padding: 2rem;
  border-radius: 0.75rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(77, 150, 255, 0.1);
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.info-block {
  margin-bottom: 2rem;
}

.info-block h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.info-block p {
  color: var(--text-light);
}

.info-block a {
  color: var(--primary-color);
  text-decoration: none;
}

.info-block a:hover {
  text-decoration: underline;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: white;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: all 0.3s;
}

.social-link:hover {
  background-color: #3a7ac4;
}

/* FAQ */
.faq-section {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 2px solid var(--border-color);
}

.faq-section h2 {
  margin-bottom: 2rem;
  text-align: center;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.faq-item {
  background-color: var(--bg-color);
  padding: 1.5rem;
  border-radius: 0.75rem;
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.faq-item p {
  color: var(--text-light);
}

/* Seção de Erro */
.error-section {
  padding: 6rem 0;
  text-align: center;
}

.error-content {
  max-width: 600px;
  margin: 0 auto;
}

.error-code {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.error-section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.error-section p {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Footer */
.footer {
  background-color: #2c3e50;
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 3rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* Responsivo */
@media (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    gap: 1rem;
  }

  .navbar-menu {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-icon {
    font-size: 5rem;
  }

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

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

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

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

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

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

  .error-code {
    font-size: 3rem;
  }
}