body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f14;
  color: #e6edf3;
}

header {
  padding: 40px 20px;
  background: #0f1620;
  border-bottom: 1px solid #1f2a37;
}

h1 {
  margin: 0;
  font-size: 40px;
}

.subtitle {
  color: #9aa4b2;
  margin-top: 10px;
  font-size: 16px;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 30px 20px;
}

.card {
  background: #111826;
  padding: 20px;
  margin: 15px 0;
  border: 1px solid #1f2a37;
  border-radius: 10px;
}

a.button {
  display: inline-block;
  padding: 12px 18px;
  margin: 10px 10px 0 0;
  background: #ff7a18;
  color: black;
  text-decoration: none;
  font-weight: bold;
  border-radius: 6px;
}

a.button.secondary {
  background: #1f2a37;
  color: #e6edf3;
}

nav a {
  color: #9aa4b2;
  margin-right: 15px;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 40px;
  color: #6b7280;
  font-size: 12px;
}