/* Brain Ignition Blog Styles */
.bi-blog-intro { font-size: 1.1rem; margin-bottom: 2rem; color: var(--bi-text); }
.bi-blog-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.bi-blog-card {
  background: var(--bi-surface); padding: 1.5rem; border-radius: var(--bi-radius);
  border: 1px solid var(--bi-border); transition: box-shadow .3s, transform .3s;
}
.bi-blog-card:hover { box-shadow: var(--bi-glow); transform: translateY(-3px); border-color: var(--bi-secondary); }
.bi-blog-card h2 { font-size: 1.1rem; margin-bottom: .5rem; }
.bi-blog-card h2 a { color: var(--bi-white); }
.bi-blog-card h2 a:hover { color: var(--bi-secondary); }
.bi-blog-card p { font-size: .9rem; color: #6b7280; margin-bottom: .75rem; }
.bi-blog-read { font-weight: 600; font-size: .9rem; }
.bi-blog-back { display: inline-block; margin-bottom: 1.5rem; font-weight: 600; color: var(--bi-secondary); }
.bi-blog-meta { font-size: .88rem; color: #6b7280; margin-bottom: 2rem; }
.bi-blog-content h2 { margin: 2rem 0 .75rem; font-size: 1.3rem; }
.bi-blog-content p { margin-bottom: 1rem; }
.bi-blog-content ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.bi-blog-related { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--bi-border); }
.bi-blog-related h3 { margin-bottom: 1rem; }
.bi-blog-related a { display: block; padding: .5rem 0; border-bottom: 1px solid var(--bi-border); font-weight: 500; }
@media (max-width: 640px) { .bi-blog-grid { grid-template-columns: 1fr; } }