/* ===== Basic Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== Page Background ===== */
body {
  background-color: #0b1a33; /* dark blue */
  color: #ffffff;
  font-family: "Times New Roman", Times, serif;
  line-height: 1.6;
}

/* ===== Centered Content Column ===== */
#container {
  max-width: 640px;          /* keeps text readable */
  margin: 40px auto;
  padding: 20px;
  background-color: #0f234a; /* slightly lighter blue */
  border: 2px solid #5a79b8;
}

/* ===== Headings ===== */
h1, h2, h3 {
  font-family: Arial, Helvetica, sans-serif;
  color: #ffffff;
  margin-bottom: 0.5em;
}

h1 {
  font-size: 1.8em;
  text-align: center;
  border-bottom: 1px solid #5a79b8;
  padding-bottom: 0.3em;
  margin-bottom: 1em;
}

/* ===== Paragraphs ===== */
p {
  margin-bottom: 1em;
}

/* ===== Links ===== */
a {
  color: #9bb7ff;
  text-decoration: underline;
}

a:visited {
  color: #b39ddb;
}

a:hover {
  color: #ffffff;
  background-color: #5a79b8;
}

/* ===== Lists ===== */
ul, ol {
  margin-left: 1.5em;
  margin-bottom: 1em;
}

/* ===== Horizontal Rule ===== */
hr {
  border: none;
  border-top: 1px dashed #5a79b8;
  margin: 1.5em 0;
}

/* ===== Footer ===== */
.footer {
  font-size: 0.9em;
  text-align: center;
  color: #cbd6ff;
  margin-top: 2em;
}