* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #0a1628;
  color: #e8f1f8;
  font-family: "Georgia", "Times New Roman", serif;
  padding: 60px 20px;
  line-height: 1.7;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  border: 1px solid #1E5F8C;
  background: #0d2540;
  padding: 60px 55px;
  box-shadow: 0 0 40px rgba(30, 95, 140, 0.15);
}

h1 {
  font-size: 2.6rem;
  letter-spacing: 8px;
  color: #2C7DA0;
  text-align: center;
  margin-bottom: 12px;
  font-weight: normal;
}

.tagline {
  text-align: center;
  color: #588157;
  letter-spacing: 3px;
  font-size: 0.85rem;
  margin-bottom: 50px;
  font-family: "Courier New", monospace;
}

nav {
  text-align: center;
  margin-bottom: 55px;
}

nav a {
  color: #e8f1f8;
  text-decoration: none;
  margin: 0 18px;
  font-family: "Courier New", monospace;
  letter-spacing: 2px;
  font-size: 0.85rem;
  transition: color 0.2s;
}

nav a:hover {
  color: #2C7DA0;
}

.section {
  border-top: 1px solid #1E5F8C;
  padding: 40px 0;
}

h2 {
  color: #588157;
  letter-spacing: 5px;
  margin-bottom: 22px;
  font-size: 1.05rem;
  font-weight: normal;
}

p {
  margin-bottom: 16px;
  color: #c8d8e8;
  font-size: 1rem;
}

a {
  color: #2C7DA0;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  border-top: 1px solid #1E5F8C;
  padding-top: 30px;
  margin-top: 20px;
  text-align: center;
  font-size: 0.75rem;
  color: #7a95ab;
  font-family: "Courier New", monospace;
  letter-spacing: 1px;
}

.close-btn {
  position: fixed;
  top: 20px;
  right: 25px;
  font-size: 2rem;
  color: #2C7DA0;
  text-decoration: none;
  font-family: "Courier New", monospace;
  line-height: 1;
  z-index: 100;
}

.close-btn:hover {
  color: #588157;
}