:root {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #0c233f;
  background-color: #f8fbff;
  line-height: 1.6;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: radial-gradient(circle at top, #e4f0ff, #f8fbff 50%);
}
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}
.header {
  padding: 32px 0 16px;
  text-align: center;
}
.header h1 {
  margin: 0;
  font-size: 2.5rem;
  color: #0c233f;
}
.navbar {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 16px 0 32px;
}
.navbar a {
  text-decoration: none;
  color: #0c233f;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}
.navbar a:hover,
.navbar a:focus-visible {
  outline: none;
  border-color: #0c233f;
  background-color: rgba(12, 35, 63, 0.08);
}
.hero {
  background: white;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 20px 45px rgba(12, 35, 63, 0.08);
}
.section {
  margin-top: 32px;
  background: white;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 18px 25px rgba(12, 35, 63, 0.07);
}
.section h2 {
  margin-top: 0;
  color: #0c233f;
}
.list-card {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}
.list-card article {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid #e0e7ff;
  background: #f5f6ff;
}
.list-card article h3 {
  margin: 0 0 8px;
}
.footer {
  text-align: center;
  margin: 48px 0 24px;
  font-size: 0.85rem;
  color: #4a5671;
}
@media (max-width: 600px) {
  .hero,
  .section {
    padding: 20px;
  }
  .header h1 {
    font-size: 2rem;
  }
}