:root {
  --blue-dark: #003366;
  --blue-main: #0055a5;
  --bg-light: #f4f7fa;
  --text-dark: #333;
}

* {
  box-sizing: border-box;
}

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

/* ===== HEADER ===== */
header {
  background: var(--blue-dark);
  color: #fff;
  text-align: center;
  padding: 2.5rem 1rem;
}

header h1 {
  margin: 0;
}

header p {
  margin: 0.5rem 0 1.5rem;
}

nav a {
  color: #fff;
  margin: 0 0.8rem;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

/* ===== MAIN ===== */
main {
  max-width: 900px;
  margin: auto;
  padding: 2rem 1rem;
  background: #fff;
}

section {
  margin-bottom: 3rem;
}

h2 {
  color: var(--blue-dark);
  border-bottom: 2px solid var(--blue-main);
  padding-bottom: 0.3rem;
}

ul {
  padding-left: 1.5rem;
}

ul li {
  margin-bottom: 0.8rem;
}

/* ===== CTA ===== */
.cta {
  background: var(--bg-light);
  padding: 2rem;
  text-align: center;
  border-radius: 6px;
}

.cta a {
  color: var(--blue-main);
  font-weight: bold;
}

/* ===== FOOTER ===== */
footer {
  background: var(--blue-dark);
  color: #fff;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}