body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f7f5f0;
  color: #1f1f1f;
  line-height: 1.6;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 24px;
}

.hero {
  padding: 80px 0;
}

h1 {
  font-size: 56px;
  margin-bottom: 8px;
}

.subtitle {
  font-size: 20px;
  color: #666;
}

section {
  margin-bottom: 72px;
}

h2 {
  font-size: 28px;
  border-bottom: 1px solid #ccc;
  padding-bottom: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: white;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.navbar {
  position: sticky;
  top: 0;
  background: #f7f5f0;
  padding: 20px 24px;
  display: flex;
  justify-content: center;
  gap: 28px;
  border-bottom: 1px solid #ddd;
  z-index: 1000;
}

.navbar a {
  text-decoration: none;
  color: #1f1f1f;
  font-weight: 600;
}

.navbar a:hover {
  color: #666;
}