:root { --wizard-soft: #f8fafc; }
body { background: #f6f7fb; }
.hero { background: linear-gradient(135deg, #ffffff, #eef6ff); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-grid div { background: white; border: 1px solid #dbeafe; border-radius: 14px; padding: 18px; font-weight: 700; color: #0f172a; box-shadow: 0 8px 18px rgba(15, 23, 42, .06); }
.content-section { background: white; border: 1px solid #e5e7eb; border-radius: 16px; box-shadow: 0 8px 20px rgba(15,23,42,.04); padding: 22px; margin-bottom: 18px; }
.content-section h2 { font-size: 1.15rem; color: #0f172a; margin-bottom: 14px; }
.text-block { white-space: normal; line-height: 1.7; color: #1f2937; }
.page-side { top: 1rem; }
.image-card img { width: 100%; background: var(--wizard-soft); }
.question-card { border-left: 5px solid #0d6efd; }
.font-monospace { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.course-card { transition: transform .15s ease, box-shadow .15s ease; }
.course-card:hover { transform: translateY(-2px); box-shadow: 0 1rem 2rem rgba(15,23,42,.12)!important; }
@media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; } }