body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: radial-gradient(circle at center, #1e2a3a 0%, #0f172a 70%);
  color: #e5e7eb;
}

header {
  text-align: center;
  padding: 20px 20px 20px;
}

h1 {
  font-size: 48px;
  margin: 0;
  font-weight: 600;
}

header p {
  margin-top: 10px;
  color: #94a3b8;
}

nav {
  margin-top: 40px;
  border-top: 1px solid #1f2937;
  border-bottom: 1px solid #1f2937;
  padding: 15px 0;
}

nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #cbd5f5;
  font-size: 14px;
}

nav a:hover {
  color: #60a5fa;
}

main {
  text-align: center;
  padding: 20px 20px;
}

main h2 {
  font-size: 42px;
  margin-bottom: 20px;
}

main p {
  max-width: 600px;
  margin: auto;
  color: #9ca3af;
  line-height: 1.6;
}

.hero {
  margin: 30px auto;
  max-width: 900px;
}

.hero img {
  width: 100%;
  border-radius: 6px;
}

footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid #1f2937;
  font-size: 14px;
  color: #9ca3af;
}