body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #333;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #fef7f0 0%, #ffffff 100%);
}

.container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.module {
  margin-top: 2em;
  width: 60%;
}

.module h2 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: #222;
  text-align: center;
  text-shadow: 0 4px 8px #f7ece0;
}

.chapter {
  margin-bottom: 50px;
  padding: 4em;
  margin-top: 0;
  border: 1px solid #ddd;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  background-color: #f7ece0;
}

.section-header {
  display: flex;
  justify-content: center;
  align-items: center;
}

.icon-circle {
  background-color: #ff6a00;
  color: #fff;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.2rem;
  margin-right: 15px;
  box-shadow: 0 2px 4px black;
}

.chapter h3 {
  font-size: 2rem;
  color: white;
  text-shadow: 0 3px 6px black;
  font-style: italic;
}

.chapter p {
  margin: 30px 0;
  font-size: 1.2rem;
}

.chapter ul {
  margin-left: 20px;
  margin-bottom: 15px;
  margin-top: -15px;
}

.chapter ul li {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

/* Tablet (max-width: 768px) */
@media (max-width: 768px) {
  .module {
    width: 90%;
  }

  .module h2 {
    font-size: 1.6rem;
  }

  .chapter {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .section-header {
    flex-direction: column;
    align-items: center;
  }

  .chapter h3 {
    font-size: 1.5rem;
    margin-top: -0.5px;
  }

  .chapter p {
    font-size: 1.1rem;
  }

  .chapter ul {
    margin-left: 0;
  }

  .chapter ul li {
    font-size: 1.1rem;
  }
}