/* ===== Global Resets ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ===== Base ===== */
body {
  background-color: #020A1E;
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  padding: 1rem;
}

/* ===== Navigation Banner ===== */
.banner {
  width: 100%;
  background-color: #1f1f1f;
  padding: 10px 0;
  position: fixed;
  top: 1px;
  left: 0;
  z-index: 1000;
  font-size: 1.2em;
  outline: 1px solid #1f4489;
}
.nav-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.nav-container a {
  margin: 0 15px;
  text-decoration: none;
  color: #e0e0e0;
  font-weight: bold;
}
.nav-container a:hover {
  color: #4eaafa;
}

/* ===== Main Container ===== */
.container {
  text-align: left;
  max-width: 800px;
  width: 100%;
  background-color: #1f1f1f;
  border-radius: 15px;
  padding: 1rem;
  margin: 50px auto 0;
  outline: 1px solid #1f4489;
}
.container h1 {
  color: #ffffff;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.container h2 {
  color: #e0e0e0;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.container h3 {
  color: #b0bec5;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.container p {
  margin-bottom: 1rem;
}
.container li {
  margin-bottom: 0.5rem;
}
.container ul,
.container ol {
  padding-left: 1.5rem;
  margin-left: 0.5rem;
}
.container a:link {
  color: #4eaafa;
}
.container a:visited {
  color: #6b9fd4;
}

/* ===== Footer ===== */
footer {
  text-align: left;
  margin: 20px 0;
  font-size: 0.9em;
  color: #e0e0e0;
}
footer a:link,
footer a:visited {
  color: #e0e0e0;
}