body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background-color: #fff;
  color: #333;
}

header {
  background: linear-gradient(135deg, #007bff, #6610f2);
  color: white;
  text-align: center;
  padding: 60px 20px;
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2em;
}

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  font-size: 1em;
  background-color: #28a745;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.cta:hover {
  background-color: #218838;
}

section {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}

h2 {
  text-align: center;
  margin-bottom: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  text-align: center;
}

ol {
  max-width: 600px;
  margin: auto;
  font-size: 1.1em;
}

blockquote {
  background: #f1f1f1;
  border-left: 5px solid #007bff;
  margin: 20px auto;
  padding: 15px;
  max-width: 700px;
  font-style: italic;
}

details {
  background: #f8f9fa;
  padding: 15px;
  margin-bottom: 10px;
  border-radius: 5px;
  cursor: pointer;
}

footer {
  background-color: #f1f1f1;
  padding: 20px;
  text-align: center;
  font-size: 0.9em;
}