:root {
  --bg: #063062;
  --fg: #eaeaf0;
  --muted: #9aa0a6;
  --accent: #7c7cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

header {
  max-width: 900px;
  margin: auto;
  padding: 4rem 2rem;
}

header h1 {
  margin: 0;
  font-size: 3rem;
}

header p {
  color: var(--muted);
  max-width: 600px;
}

nav {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

nav a:hover {
  border-color: var(--accent);
}

section {
  max-width: 900px;
  margin: auto;
  padding: 3rem 2rem;
  border-top: 1px solid #1e1e26;
}

h2 {
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #426da2;
  padding: 1.5rem;
  border-radius: 12px;
}

footer {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--muted);
  border-top: 1px solid #1e1e26;
}