:root {
  --navy: #1f2a44;
  --red: #c0392b;
  --light: #f4f6f8;
  --dark: #333;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  line-height: 1.6;
}

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

header {
  background: var(--navy);
  color: white;
  text-align: center;
  padding: 40px 20px;
}

.tagline {
  font-size: 1.1rem;
  opacity: 0.9;
}

nav {
  background: #111;
}

nav a {
  color: white;
  text-decoration: none;
  margin-right: 15px;
  font-weight: bold;
}

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

.hero {
  background: var(--light);
  text-align: center;
  padding: 60px 20px;
}

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: var(--red);
  color: white;
  text-decoration: none;
  border-radius: 4px;
}

.button:hover {
  opacity: 0.9;
}

.section {
  padding: 50px 20px;
}

.section.alt {
  background: var(--light);
}

footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}

ul {
  list-style: square;
  padding-left: 20px;
}