* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #111;
  color: #eee;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
  background: #1a1a1a;
}

.logo {
  font-weight: bold;
  font-size: 1.5rem;
}

.navbar nav a {
  color: #ccc;
  margin-left: 20px;
  text-decoration: none;
}

.navbar nav a.active,
.navbar nav a:hover {
  color: #fff;
}

.hero {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(180deg, #222, #111);
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
}

.card {
  background: #1e1e1e;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 6px;
}

.demon-table {
  width: 100%;
  border-collapse: collapse;
}

.demon-table th,
.demon-table td {
  padding: 12px;
  border-bottom: 1px solid #333;
}

.demon-table th {
  text-align: left;
  background: #222;
}

footer {
  text-align: center;
  padding: 30px;
  color: #777;
}