/*Animated gradient background*/
  body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(45deg, 
      #ff6a00, 
      #ee0979, 
      #8e2de2, 
      #4a00e0, 
      #00f260, 
      #0575e6
    );
    background-size: 1200% 1200%;
    animation: gradientShift 40s ease infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    color: #fff;
  }

  @keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  /*Container for cards*/
  .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    width: 90%;
    max-width: 1000px;
    padding: 20px;
  }

  /*Snappy div cards*/
  .card {
    background: rgba(255, 255, 255, 0.85);
    color: #333;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    text-align: center;
    font-size: 1.2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(8px);
  }

  .card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  }

  /*Bright accents on titles*/
  .card h2 {
    margin-top: 0;
    color: #ff6a00;
  }

.module-list li {
  background: rgba(255, 255, 255, 0.85);
  color: #333;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module-list li:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.module-list h2 {
  margin-top: 0;
  color: #ff6a00;
  font-size: 1.4rem;
}

/* Main module, bigger & highlighted*/
.module-list {
  list-style: none;
  padding: 0;
  margin: 40px 0;
  width: 90%;
  max-width: 1000px;
}

.main-module {
  background: rgba(255, 255, 255, 0.95);
  color: #333;
  border-radius: 24px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  text-align: center;
  font-size: 1.3rem;
  border: 3px solid #ff6a00;
}

.main-module h2 {
  margin: 0;
  font-size: 1.8rem;
  color: #ff6a00;
}

/*Sub-modules list*/
.sub-modules {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.sub-modules li {
  background: rgba(255, 255, 255, 0.85);
  color: #333;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sub-modules li:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.sub-modules h3 {
  margin-top: 0;
  color: #4a00e0; /* Purple accent for subs */
}