/* Unified Sea Theme Styles */
body {
  background-color: #e9eff2; /* Sky Blue */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  color: #333;
  line-height: 1.6;
}

/* Navigation */
.navbar {
  width: 100%;
  background-color: #2c3e50;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar h1 {
  font-size: 1.4em;
  margin: 0;
}

.menu-icon {
  display: none;
  font-size: 1.5em;
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #1abc9c;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    background-color: var(--highlight-color);
    transition: background-color 0.3s ease;
}

.nav-menu a:hover {
    background-color: var(--accent-color);
}

/* Main Content Container */
.container {
  background-color: #fff;
  margin: 40px auto;
  padding: 40px;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  width: 90%;
  margin: 30px auto;
}

/* Typography */
h1, h2, h3 {
  color: #2c3e50;
}

.navbar h1 {
  font-size: 1.4em;
  margin: 0;
}

.menu-icon {
  display: none;
  font-size: 1.5em;
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #1abc9c;
}

/* Main Content Container */
.container {
  background-color: #fff;
  margin: 40px auto;
  padding: 40px;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  width: 90%;
  margin: 30px auto;
}

/* Typography */
h1, h2, h3 {
  color: #2c3e50;
}

h1 {
  font-size: 2em;
  margin-bottom: 0.5em;
}

h2 {
  font-size: 1.6em;
  margin-top: 1.5em;
}

h3 {
  font-size: 1.2em;
  margin-top: 1.2em;
}

p, ul, li {
  color: #333;
  font-size: 1em;
  line-height: 1.6;
}

ul {
  padding-left: 20px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #f0f0f0;
}

tr:nth-child(even) {
  background-color: #f9f9f9;
}

/* Download Links */
.download-links a {
  display: block;
  background-color: #2c3e50;
  color: white;
  padding: 12px 20px;
  margin: 10px 0;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.download-links a:hover {
  background-color: #1abc9c;
}

/* Responsive Design */
@media (max-width: 768px) {
  .menu-icon {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #2c3e50;
    flex-direction: column;
    align-items: center;
    display: none;
    padding: 20px 0;
  }

  .nav-links.active {
    display: flex !important;
  }

  .nav-links a {
    padding: 10px 0;
    width: 100%;
    text-align: center;
  }

  .container {
    padding: 20px;
    margin: 20px;
  }

  h1 {
    font-size: 1.6em;
  }

  h2 {
    font-size: 1.3em;
  }

  h3 {
    font-size: 1.1em;
  }
}

footer {
    background-color: #333;
    text-align: center;
    border-radius: 12px;
    padding: 20px;
    margin: 30px auto 0;
    width: 80%;
    max-width: 960px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

footer p {
    color: white;
}