body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #333;
  min-height: 100vh;
}

header {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  transition: background 0.3s ease;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.2);
}

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  min-height: 60vh;
}

h1, h2, h3 {
  color: #4a5568;
  margin-bottom: 1rem;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.module {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.module:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.module h3 {
  margin: 0 0 1rem 0;
  color: white;
}

.module a {
  display: inline-block;
  background: white;
  color: #f5576c;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.module a:hover {
  background: rgba(255, 255, 255, 0.8);
}

form {
  background: #f7fafc;
  padding: 2rem;
  border-radius: 10px;
  margin: 2rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #4a5568;
}

input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 1rem;
  transition: border-color 0.3s ease;
  background-color: #ffffff;
  color: #333;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

button:active {
  transform: translateY(0);
}

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

.metrics > div {
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  padding: 1.5rem;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.metrics span {
  display: block;
  font-size: 2rem;
  font-weight: bold;
  color: #4a5568;
  margin-top: 0.5rem;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  background: #f7fafc;
  margin: 0.5rem 0;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
}

.checkmark {
  color: #48bb78;
  font-size: 1.2rem;
  margin-right: 0.5rem;
}

.cross {
  color: #f56565;
  font-size: 1.2rem;
  margin-right: 0.5rem;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  main {
    margin: 1rem;
    padding: 1rem;
  }
  .modules {
    grid-template-columns: 1fr;
  }
}