/* Estilos globais */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #2a1b3d;
  color: white;
  min-height: 100vh;
}

/* Overlay e fundo */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #2a1b3d, #44318d);
  opacity: 0.9;
  z-index: -1;
}

/* Tipografia */
h1 {
  font-size: 3.5rem;
  color: #ff6b6b;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  font-size: 1.8rem;
  color: #ffd93d;
  margin-bottom: 3rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Layout principal */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.hero {
  text-align: center;
  padding: 4rem 0;
}

/* Contador regressivo */
.countdown-container {
  margin: 3rem 0;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
}

.countdown-title {
  font-size: 1.5rem;
  color: #ffd93d;
  margin-bottom: 1rem;
}

.countdown-item {
  background: rgba(255, 107, 107, 0.2);
  padding: 1.5rem;
  border-radius: 12px;
  min-width: 120px;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.2);
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.countdown-item span {
  display: block;
  font-size: 2.5rem;
  font-weight: bold;
  color: #ff6b6b;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Cards e elementos interativos */
.purchase-card {
  background: rgba(255, 107, 107, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2.5rem;
  max-width: 450px;
  margin: 2rem auto;
  text-align: center;
  box-shadow: 0 8px 32px rgba(255, 107, 107, 0.2);
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.feature-card, .chapter-card, .testimonial-card {
  background: rgba(255, 107, 107, 0.1);
  padding: 2.5rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 107, 107, 0.2);
  transition: transform 0.3s ease;
}

.feature-card:hover, .chapter-card:hover {
  transform: translateY(-5px);
}

/* Botões e links */
.purchase-button {
  background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
  color: white;
  padding: 1.2rem 2.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.purchase-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
  background: linear-gradient(45deg, #ff8e8e, #ff6b6b);
}

/* Formulários */
.subscription-form {
  background: rgba(255, 107, 107, 0.1);
  padding: 2.5rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  max-width: 600px;
  margin: 3rem auto;
  border: 1px solid rgba(255, 107, 107, 0.2);
}

input {
  flex: 1;
  padding: 1rem;
  border: 2px solid rgba(255, 107, 107, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1.1rem;
}

button {
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
  background: linear-gradient(45deg, #ff8e8e, #ff6b6b);
}

/* Grids e layouts responsivos */
.features-grid, .chapters-grid, .testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

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

/* Animações */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-slide-down {
  animation: slideDown 1s ease-out;
}

.animate-slide-up {
  animation: slideUp 1s ease-out;
}

/* Media queries */
@media (max-width: 768px) {
  .countdown {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .countdown-item {
    min-width: 80px;
  }

  form {
    flex-direction: column;
  }

  h1 {
    font-size: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

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