* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1f2933;
  line-height: 1.6;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  background: #fff;
  color: #4f46e5;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: #f5f6fa;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.card {
  background: #fff;
  border: 1px solid #e4e7eb;
  border-radius: 8px;
  padding: 24px;
}

.card h3 {
  margin-bottom: 8px;
  color: #4f46e5;
}

footer {
  background: #1f2933;
  color: #cbd2d9;
  text-align: center;
  padding: 24px 0;
}