/* ── Educational info blocks (shared across tool pages) ─────────────── */

/* Section wrapper */
.edu-section {
  max-width: var(--content-width, 1100px);
  margin: 0 auto;
  padding: 0 1.5rem;
  margin-bottom: 2.5rem;
}

/* Section header */
.edu-header {
  text-align: center;
  margin-bottom: 28px;
}
.edu-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
}
.edu-header p {
  font-size: 15px;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}
.edu-header p code {
  color: var(--accent);
  font-size: 13px;
}

/* ── Info strip (4 key facts) ──────────────────────────────────────── */
.edu-info-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.edu-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface2, rgba(255,255,255,0.04));
  border: 1px solid var(--border, rgba(255,255,255,0.07));
  border-radius: 10px;
}
.edu-info-icon {
  font-size: 20px;
  min-width: 28px;
  line-height: 1.2;
  flex-shrink: 0;
}
.edu-info-item strong {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 2px;
}
.edu-info-item span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* ── Feature grid (4 cards) ────────────────────────────────────────── */
.edu-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}
.edu-feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.edu-feature-icon {
  font-size: 24px;
  line-height: 1;
}
.edu-feature-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.edu-feature-card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}
.edu-feature-card p a {
  color: var(--accent);
  text-decoration: none;
}
.edu-feature-card p a:hover { text-decoration: underline; }

/* ── Compare section (2 cards side-by-side) ────────────────────────── */
.edu-compare-wrap {
  margin-bottom: 36px;
}
.edu-compare-wrap h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 18px;
  text-align: center;
}
.edu-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.edu-compare-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.edu-compare-card--primary {
  border-color: rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.04);
}
.edu-compare-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  font-family: var(--mono, monospace);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.edu-compare-badge--muted {
  background: var(--border);
  color: var(--muted);
}
.edu-compare-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.edu-compare-list li {
  font-size: 13px;
  color: var(--muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.45;
}
.edu-compare-list li::before {
  content: "\00b7";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ── Two-column: Mistakes + Best Practices ─────────────────────────── */
.edu-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 36px;
}
.edu-mistakes-block h2,
.edu-practices-block h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 16px;
}
.edu-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.edu-list-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.edu-list-icon {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
  width: 20px;
  text-align: center;
}
.edu-list-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.edu-list-item strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.edu-list-item span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}
.edu-list-item span code {
  color: var(--accent);
  font-size: 11px;
}

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .edu-feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .edu-info-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .edu-compare-grid { grid-template-columns: 1fr; }
  .edu-two-col { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .edu-info-strip { grid-template-columns: 1fr 1fr; }
  .edu-feature-grid { grid-template-columns: 1fr; }
}