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var(--border-color);justify-content:flex-end;align-items:center;margin-top:auto;padding-top:.85rem;display:flex}.lesson-link[data-astro-cid-xu2sngfa]{color:var(--forest-green);font-size:.88rem;font-family:var(--font-sans);transition:color var(--transition-speed);align-items:center;gap:.4rem;font-weight:500;text-decoration:none;display:inline-flex}.lesson-link[data-astro-cid-xu2sngfa]:hover{color:var(--forest-green-light)}.lesson-link[data-astro-cid-xu2sngfa] strong[data-astro-cid-xu2sngfa]{font-weight:600}.action-arrow[data-astro-cid-xu2sngfa]{transition:transform var(--transition-speed)}.lesson-link[data-astro-cid-xu2sngfa]:hover .action-arrow[data-astro-cid-xu2sngfa]{transform:translate(4px)}.timeline-container[data-astro-cid-ia3axrkp]{background-color:var(--bg-primary);flex:1;justify-content:center;align-items:flex-start;padding:3.5rem 2rem 4rem 3.5rem;display:flex;overflow-y:auto}.timeline-content[data-astro-cid-ia3axrkp]{flex-direction:column;gap:2.5rem;width:100%;max-width:960px;display:flex}.timeline-header[data-astro-cid-ia3axrkp]{border-bottom:1px solid var(--border-color);flex-direction:column;gap:1.15rem;padding-bottom:2rem;display:flex}.header-badge-row[data-astro-cid-ia3axrkp]{align-items:center;gap:.75rem;display:flex}.timeline-pill[data-astro-cid-ia3axrkp]{background-color:var(--forest-green-soft);color:var(--forest-green);text-transform:uppercase;letter-spacing:.04em;border-radius:9999px;align-items:center;gap:.4rem;padding:.25rem .65rem;font-size:.8rem;font-weight:600;display:inline-flex}.feature-count-badge[data-astro-cid-ia3axrkp]{font-size:.8rem;font-family:var(--font-mono);color:var(--text-secondary);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:9999px;padding:.2rem .55rem;font-weight:500}.timeline-title[data-astro-cid-ia3axrkp]{letter-spacing:-.01em;margin:0;font-size:clamp(2.2rem,4.5vw,2.75rem);line-height:1.2}.timeline-subtitle[data-astro-cid-ia3axrkp]{color:var(--text-secondary);max-width:820px;margin:0;font-size:1.125rem;line-height:1.65}.version-filter-controls[data-astro-cid-ia3axrkp]{flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:.5rem;display:flex}.filter-label[data-astro-cid-ia3axrkp]{color:var(--text-secondary);align-items:center;gap:.4rem;font-size:.9rem;font-weight:600;display:inline-flex}.select-wrapper[data-astro-cid-ia3axrkp]{min-width:200px;max-width:260px;position:relative}.select-wrapper[data-astro-cid-ia3axrkp]:after{content:"▾";color:var(--text-secondary);pointer-events:none;font-size:.8rem;position:absolute;top:50%;right:12px;transform:translateY(-55%)}.version-select[data-astro-cid-ia3axrkp]{width:100%;font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-secondary);border:1px solid var(--border-color);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:border-color var(--transition-speed), background-color var(--transition-speed);border-radius:6px;outline:none;padding:.5rem 2.25rem .5rem .85rem;font-size:.88rem;font-weight:500}.version-select[data-astro-cid-ia3axrkp]:hover{border-color:var(--forest-green);background-color:var(--bg-primary)}.version-select[data-astro-cid-ia3axrkp]:focus{border-color:var(--forest-green);box-shadow:0 0 0 2px var(--forest-green-soft)}.cards-section[data-astro-cid-ia3axrkp]{flex-direction:column;gap:1.5rem;display:flex}.cards-grid[data-astro-cid-ia3axrkp]{grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:1.5rem;display:grid}@media (width<=900px){.timeline-container[data-astro-cid-ia3axrkp]{padding:2.5rem 1.25rem 3.5rem 3.5rem}.timeline-content[data-astro-cid-ia3axrkp]{gap:2rem}.timeline-title[data-astro-cid-ia3axrkp]{font-size:1.95rem}.timeline-subtitle[data-astro-cid-ia3axrkp]{font-size:1rem}.cards-grid[data-astro-cid-ia3axrkp]{grid-template-columns:1fr}}