.study-guide-hub[data-astro-cid-wrwomhwn]{margin-bottom:4rem}.lead-text[data-astro-cid-wrwomhwn]{color:#27272a;font-size:1.25rem;font-weight:500;line-height:1.6}.hub-course-banner[data-astro-cid-wrwomhwn]{text-align:center;margin:2rem 0}.hub-course-banner[data-astro-cid-wrwomhwn] img[data-astro-cid-wrwomhwn]{border-radius:var(--radius-md);max-width:100%;height:auto;box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.audience-grid[data-astro-cid-wrwomhwn]{grid-template-columns:1fr 1fr;gap:1.5rem;margin:2rem 0;display:grid}.audience-card[data-astro-cid-wrwomhwn]{border-radius:var(--radius-sm);border:1px solid var(--color-border);padding:1.25rem 1.5rem}.audience-card[data-astro-cid-wrwomhwn].for-who{background:#f0fdf4;border-color:#bbf7d0}.audience-card[data-astro-cid-wrwomhwn].not-who{background:#fafaf9;border-color:#e7e5e4}.audience-card[data-astro-cid-wrwomhwn] h4[data-astro-cid-wrwomhwn]{margin:0 0 .5rem;font-size:1.1rem}.audience-card[data-astro-cid-wrwomhwn].for-who h4[data-astro-cid-wrwomhwn]{color:#166534}.audience-card[data-astro-cid-wrwomhwn] p[data-astro-cid-wrwomhwn]{margin:0;font-size:.95rem;line-height:1.5}.video-notice-box[data-astro-cid-wrwomhwn]{background:var(--color-primary-subtle);border-radius:var(--radius-sm);border:1px solid #bfdbfe;margin:1.75rem 0;padding:1rem 1.25rem;font-size:.975rem}.format-features[data-astro-cid-wrwomhwn]{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.5rem 0 2.5rem;display:grid}.format-item[data-astro-cid-wrwomhwn]{background:var(--color-surface-subtle);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.85rem 1rem;font-size:.925rem}.curriculum-section[data-astro-cid-wrwomhwn]{border-top:2px solid var(--color-border);margin-top:3.5rem;padding-top:2.5rem}.curriculum-header[data-astro-cid-wrwomhwn]{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1.5rem;margin-bottom:2rem;display:flex}.curriculum-header[data-astro-cid-wrwomhwn] h2[data-astro-cid-wrwomhwn]{border-bottom:none;margin:0;padding-bottom:0}.curriculum-subtitle[data-astro-cid-wrwomhwn]{color:var(--color-text-muted);margin:.35rem 0 0}.course-progress-widget[data-astro-cid-wrwomhwn]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);min-width:280px;padding:1rem 1.25rem}.progress-info[data-astro-cid-wrwomhwn]{justify-content:space-between;margin-bottom:.5rem;font-size:.875rem;display:flex}.progress-label[data-astro-cid-wrwomhwn]{font-weight:600}.progress-count[data-astro-cid-wrwomhwn]{color:var(--color-primary);font-weight:700}.progress-track[data-astro-cid-wrwomhwn]{background:#e2e8f0;border-radius:9999px;width:100%;height:8px;margin-bottom:.5rem;overflow:hidden}.progress-fill[data-astro-cid-wrwomhwn]{background:#16a34a;height:100%;transition:width .3s}.btn-reset-progress[data-astro-cid-wrwomhwn]{color:#71717a;cursor:pointer;background:0 0;border:none;margin-left:auto;padding:0;font-size:.75rem;text-decoration:underline;display:block}.btn-reset-progress[data-astro-cid-wrwomhwn]:hover{color:#dc2626}.parts-container[data-astro-cid-wrwomhwn]{flex-direction:column;gap:2.5rem;display:flex}.part-block[data-astro-cid-wrwomhwn]{border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fafaf9;padding:1.75rem}.part-header[data-astro-cid-wrwomhwn]{margin-bottom:1.5rem}.part-pill[data-astro-cid-wrwomhwn]{color:#334155;text-transform:uppercase;letter-spacing:.04em;background:#e2e8f0;border-radius:4px;margin-bottom:.5rem;padding:.2rem .6rem;font-size:.75rem;font-weight:700;display:inline-block}.part-title[data-astro-cid-wrwomhwn]{color:#09090b;margin:0 0 .4rem;font-size:1.35rem}.part-desc[data-astro-cid-wrwomhwn]{color:var(--color-text-muted);margin:0;font-size:.95rem;line-height:1.5}.lessons-grid[data-astro-cid-wrwomhwn]{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;display:grid}.lesson-hub-card[data-astro-cid-wrwomhwn]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);flex-direction:column;justify-content:space-between;padding:1rem 1.15rem;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.lesson-hub-card[data-astro-cid-wrwomhwn]:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary);transform:translateY(-2px)}.lesson-hub-card[data-astro-cid-wrwomhwn].is-lesson-completed{background:#f0fdf4;border-color:#86efac}.lesson-card-top[data-astro-cid-wrwomhwn]{justify-content:space-between;align-items:center;margin-bottom:.5rem;display:flex}.lesson-card-chapter[data-astro-cid-wrwomhwn]{color:var(--color-text-subtle);text-transform:uppercase;font-size:.75rem;font-weight:700}.lesson-status-badge[data-astro-cid-wrwomhwn]{border-radius:4px;padding:.15rem .45rem;font-size:.75rem;font-weight:600}.lesson-status-badge[data-astro-cid-wrwomhwn].status-todo{color:#71717a;background:#f4f4f5}.lesson-status-badge[data-astro-cid-wrwomhwn].status-in-progress{color:#92400e;background:#fef3c7}.lesson-status-badge[data-astro-cid-wrwomhwn].status-done{color:#166534;background:#dcfce7}.lesson-card-title[data-astro-cid-wrwomhwn]{color:#18181b;margin:0 0 1rem;font-size:1rem;font-weight:600;line-height:1.35}.lesson-card-meta[data-astro-cid-wrwomhwn]{color:var(--color-text-subtle);border-top:1px solid var(--color-border);justify-content:space-between;align-items:center;padding-top:.5rem;font-size:.8125rem;display:flex}.printable-section[data-astro-cid-wrwomhwn]{margin-top:3rem}.printable-accordion[data-astro-cid-wrwomhwn]{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-sm);overflow:hidden}.printable-summary[data-astro-cid-wrwomhwn]{cursor:pointer;background:var(--color-surface-subtle);user-select:none;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;font-weight:600;transition:background-color .15s;display:flex}.printable-summary[data-astro-cid-wrwomhwn]:hover{background:#e4e4e7}.summary-content[data-astro-cid-wrwomhwn]{align-items:center;gap:.75rem;display:flex}.summary-icon[data-astro-cid-wrwomhwn]{font-size:1.25rem}.summary-title[data-astro-cid-wrwomhwn]{color:#09090b;font-size:1.15rem}.summary-toggle-indicator[data-astro-cid-wrwomhwn]{color:var(--color-primary);font-size:.875rem;font-weight:600}details[data-astro-cid-wrwomhwn][open] .summary-toggle-indicator[data-astro-cid-wrwomhwn]{content:"Collapse ▲"}.printable-dropdown-body[data-astro-cid-wrwomhwn]{border-top:1px solid var(--color-border);padding:1.5rem}.printable-notice[data-astro-cid-wrwomhwn]{border-radius:var(--radius-sm);background:#fefce8;border:1px solid #fef08a;margin-bottom:1.5rem;padding:.85rem 1rem;font-size:.925rem}.printable-group[data-astro-cid-wrwomhwn]{margin-bottom:2rem}.printable-group[data-astro-cid-wrwomhwn] h4[data-astro-cid-wrwomhwn]{color:#18181b;margin:0 0 .75rem;font-size:1.15rem}.printable-list[data-astro-cid-wrwomhwn]{margin:0;padding-left:1.25rem}.printable-list[data-astro-cid-wrwomhwn] li[data-astro-cid-wrwomhwn]{margin-bottom:.85rem;font-size:.975rem;line-height:1.5}.author-note-section[data-astro-cid-wrwomhwn]{border-top:2px solid var(--color-border);margin-top:3.5rem;padding-top:2rem}.author-signature[data-astro-cid-wrwomhwn]{margin-top:1.5rem;font-size:1rem}@media (width<=640px){.audience-grid[data-astro-cid-wrwomhwn]{grid-template-columns:1fr}.curriculum-header[data-astro-cid-wrwomhwn]{flex-direction:column;align-items:flex-start}.course-progress-widget[data-astro-cid-wrwomhwn]{width:100%}}