.proposal-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2em;
  font-family: 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
}
header h1 {
  color: #1b4d89;
  border-bottom: 3px solid #ddd;
  padding-bottom: 0.3em;
}
h2 {
  margin-top: 1.8em;
  color: #2c3e50;
}
.collapsible-title {
  cursor: pointer;
  user-select: none;
}
.collapsible-title:hover {
  color: #1b4d89;
}
.collapsible-content {
  margin-top: 0.5em;
  display: none; /* Initially collapsed */
}
.collapsible-content.expanded {
  display: block;
}
a {
  color: #0066cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
footer {
  margin-top: 2em;
  font-size: 0.9em;
  color: #777;
}

.subtitle {
  color: #666;
  margin-top: 0.5em;
  font-size: 1.1em;
  font-style: italic;
}

header {
  margin-bottom: 2em;
}

.collapsible-title {
  background: #f8f9fb;
  padding: 10px;
  border-radius: 4px;
  border-left: 4px solid #1b4d89;
  margin-bottom: 5px;
  font-size: 1.3em;
}

.collapsible-content {
  padding: 10px 20px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 0 0 4px 4px;
  margin-bottom: 20px;
  display: none;
}

.section-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 50px 0 30px 0;
}

.section-divider::before, .section-divider::after {
  content: '';
  flex: 1;
  border-bottom: 2px solid #ddd;
}

.section-divider:not(:empty)::before {
  margin-right: 1.5em;
}

.section-divider:not(:empty)::after {
  margin-left: 1.5em;
}

.section-divider span {
  font-weight: bold;
  color: #1b4d89;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9em;
  background: #f8f9fb;
  padding: 5px 15px;
  border: 1px solid #ddd;
  border-radius: 20px;
}