/* Custom styles for AS91256 Co-ordinate Geometry website */

:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
}

/* Make code blocks more readable */
pre {
  background-color: #f8f9fa;
  border-left: 3px solid var(--secondary-color);
  padding: 1em;
  border-radius: 0.25rem;
}

/* Style for mathematical content */
.math {
  font-size: 1.1em;
}

/* Highlight important notes */
.callout-note {
  border-left-color: var(--secondary-color);
}

.callout-important {
  border-left-color: var(--accent-color);
}

/* Improve readability */
body {
  line-height: 1.6;
}

h1, h2, h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.overview-grid {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.overview-text {
  flex: 1 1 320px;
  min-width: 280px;
}

.overview-preview {
  flex: 0 1 260px;
}

.overview-image {
  width: 100%;
  height: auto;
  border: 1px solid #d0d7de;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-radius: 6px;
}