/* INTRO SECTION STYLING */
.intro {
  background: #ffff; /* subtle dark background */
  border-left: 4px solid #38bdf8; /* highlight border */
  padding: 20px;
  margin-bottom: 30px;
  border-radius: 8px;
}

.intro h2 {
  color: #0073aa;
  margin-top: 15px;
}

.intro p {
  color: #334155;
  line-height: 1.6;
  margin-bottom: 15px;
}

.intro h2 + p {
  margin-top: 0;
}
body {
  font-family: Arial, sans-serif;
  background: #e5e7eb;
  color: #334155;
  margin: 0;
}

header {
  background: #0073aa;
  padding: 20px;
  text-align: center;
  border-bottom: 2px solid #0073aa;
}

.container {
  padding: 20px;
  max-width: 1100px;
  margin: auto;
}

h1,  {
  color: #ffff;
}
h2 {
  color: #0073aa;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.grid a {
  background: #0073aa;
  border: 1px solid #334155;
  padding: 12px;
  border-radius: 8px;
  text-decoration: none;
  color: #e5e7eb;
  transition: 0.2s;
}

.grid a:hover {
  background: #0073aa;
  border-color: #0073aa;
}

.advanced a {
  border-color: #ef4444;
}

.note {
  background: #0073aa;
  padding: 12px;
  border-left: 4px solid #0073aa;
  margin: 15px 0;
}

.warning {
  background: #1e293b;
  padding: 12px;
  border-left: 4px solid #ef4444;
  margin: 15px 0;
}

.nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.nav-buttons a {
  background: #0073aa;
  color: #020617;
  padding: 8px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

footer {
  text-align: center;
  padding: 15px;
  border-top: 1px solid #334155;
  margin-top: 30px;
  background: #0073aa;
}