:root {
  --primary: #0077ff;
  --text: #222;
  --bg: #f9fafb;
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 40px 20px;
}

nav {
  text-align: center;
  margin-bottom: 40px;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  margin: 0 10px;
  transition: color 0.2s ease;
}

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

h1 {
  color: var(--primary);
  text-align: center;
  margin-bottom: 20px;
}

h2 {
  margin-top: 30px;
  color: var(--primary);
}

p {
  margin-bottom: 15px;
  text-align: justify;
}

ul {
  list-style: none;
  margin: 15px 0;
  padding: 0;
}

ul li {
  margin-bottom: 10px;
}

a.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 10px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  margin-top: 20px;
}

a.btn:hover {
  opacity: 0.9;
}

footer {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9rem;
  color: #666;
}