/* ---------- BASE STYLES ---------- */
body {
  background-color: #f0f0f0; /* Very light gray */
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: #333333;
}

/* ---------- HEADINGS ---------- */
h1,
h2,
h3 {
  color: #000000;
  margin: 10px 0;
}

/* ---------- SIDE NAVIGATION ---------- */
.side-nav {
  width: 220px;
  background-color: #333333; /* Dark gray to match header/footer */
  padding: 20px;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.side-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.side-nav li {
  margin-bottom: 15px;
}

.side-nav a {
  text-decoration: none;
  color: #ffffff; /* White text for nav items */
  font-weight: bold;
  display: block;
  padding: 8px;
  border-radius: 4px;
  background-color: #333333; /* Same as nav background */
  transition: background-color 0.3s, color 0.3s;
}

.side-nav a:hover,
.side-nav a[aria-current="page"] {
  background-color: #e0e0e0; /* Light gray hover */
  color: #333333; /* Dark text on hover */
}

/* ---------- MAIN CONTENT ---------- */
main {
  margin-left: 240px; /* Space from side nav */
  padding: 20px;
  width: calc(100% - 240px);
}

.highlight {
  color: #0066cc;
  font-weight: bold;
  text-align: center;
  font-size: 1.2em;
  margin-top: 20px;
}

/* Center all main page sections */
#main section {
  text-align: center;
  margin-bottom: 30px;
  padding: 0 20px; /* Horizontal padding */
}

/* Keep list items left-aligned on the Pricing page */
#main section[aria-label="Observations"] {
  text-align: left;
}

/* Center tables within sections */
#main section table {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- HEADER ---------- */
header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  background-color: #333333; /* Full width dark gray */
  padding: 15px 20px; /* Spacing inside header */
  border-radius: 0 0 8px 8px; /* Optional rounded bottom */
  width: 100%;
}

/* ---------- FOOTER ---------- */
footer {
  clear: both;
  background-color: #333333;
  color: #ffffff;
  text-align: center;
  padding: 15px 0;
  margin-top: 30px;
  border-top: 3px solid #555;
  position: relative;
}

/* ---------- IMAGES ---------- */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ---------- TABLES ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th,
td {
  border: 1px solid #999;
  padding: 10px;
  text-align: center;
}

th {
  background-color: #f4f4f4;
}

/* ---------- FORMS & QUIZ ---------- */
form {
  background-color: #fafafa;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #ddd;
  max-width: 700px;
  margin: 20px auto;
}

input,
textarea,
select {
  width: 100%;
  padding: 8px;
  margin: 6px 0 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
}

input[type="radio"] {
  margin: 0 6px 0 0;
  vertical-align: middle;
}

.question label {
  display: inline-block;
  margin-bottom: 8px;
  cursor: pointer;
}

input[type="submit"],
input[type="reset"],
button {
  width: auto;
  background-color: #0066cc;
  color: #ffffff;
  border: none;
  padding: 10px 18px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
  margin: 8px 4px;
}

input[type="submit"]:hover,
input[type="reset"]:hover,
button:hover {
  background-color: #004c99;
}

/* Quiz container */
.quiz-container {
  width: 90%;
  max-width: 700px;
  margin: 20px auto;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* ---------- GALLERY ---------- */
.gallery {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.gallery figure {
  width: 300px;
  text-align: center;
  background-color: #ffffff;
  border-radius: 8px;
  border: 1px solid #ccc;
  padding: 10px;
}

/* ---------- PARAGRAPHS ---------- */
p {
  margin: 10px 0;
  font-size: 1rem;
}

/* ---------- MEDIA QUERY ---------- */
@media (max-width: 768px) {
  .side-nav {
    position: relative;
    width: 100%;
    height: auto;
    box-shadow: none;
  }

  main {
    margin-left: 0;
    width: 100%;
  }

  footer {
    margin-left: 0;
  }

  nav ul li {
    display: block;
    margin: 10px 0;
  }

  form,
  .quiz-container {
    width: 95%;
  }

  header h1 {
    font-size: 1.5rem;
  }
}
/* ---------- REFERENCES PAGE OVERRIDE ---------- */
#main section[aria-label="Sources and References"] {
  text-align: left; /* Keep all text in References section left-aligned */

}