@layer base{._container_byi6y_2{padding:var(--spacing-16) var(--spacing-6);max-width:1200px;margin:0 auto}._reveal_byi6y_8{opacity:0;transform:translateY(20px);transition:opacity var(--animation-duration-slow) ease,transform var(--animation-duration-slow) ease}._reveal_byi6y_8[data-revealed=true]{opacity:1;transform:translateY(0)}._hero_byi6y_19{text-align:center;max-width:800px;margin:0 auto var(--spacing-12)}._title_byi6y_25{font-family:var(--font-family-display);font-size:3rem;font-weight:700;color:var(--foreground);margin-bottom:var(--spacing-4);line-height:1.1}._subtitle_byi6y_34{font-size:1.125rem;color:var(--muted-foreground);line-height:1.6;max-width:650px;margin:0 auto}._freeCoursesIntro_byi6y_42{text-align:center;max-width:800px;margin:0 auto var(--spacing-12)}._whyFree_byi6y_48{text-align:center;max-width:800px;margin:var(--spacing-20) auto 0}._sectionTitle_byi6y_54{font-family:var(--font-family-display);font-size:2rem;font-weight:700;color:var(--foreground);margin-bottom:var(--spacing-4);line-height:1.2}._sectionText_byi6y_63{font-size:1.125rem;color:var(--muted-foreground);line-height:1.6;max-width:700px;margin:0 auto}._filters_byi6y_71{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-4);margin-bottom:var(--spacing-12)}._filterLabel_byi6y_79{font-family:var(--font-family-monospace);font-size:.875rem;color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.05em}._filterChips_byi6y_87{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--spacing-3)}._filterChip_byi6y_87{border-radius:var(--radius-full)}._contentArea_byi6y_98{min-height:400px}._grid_byi6y_102{display:grid;grid-template-columns:1fr;gap:var(--spacing-6)}@media(min-width:768px){._grid_byi6y_102{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){._grid_byi6y_102{grid-template-columns:repeat(3,1fr)}}._card_byi6y_120{display:flex;flex-direction:column;background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--spacing-6);box-shadow:var(--shadow);transition:transform var(--animation-duration-normal) ease,border-color var(--animation-duration-normal) ease,box-shadow var(--animation-duration-normal) ease;height:100%}._card_byi6y_120:hover{border-color:color-mix(in srgb,var(--primary) 50%,var(--border));transform:translateY(-2px);box-shadow:var(--shadow-md)}._cardHeader_byi6y_138{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-4);min-height:24px}._categoryBadge_byi6y_146{font-family:var(--font-family-monospace);font-size:.75rem}._cardContent_byi6y_151{display:flex;flex-direction:column;gap:var(--spacing-4);flex-grow:1}._courseTitle_byi6y_158{font-family:var(--font-family-display);font-size:1.25rem;font-weight:600;color:var(--foreground);margin:0;line-height:1.3}._courseDesc_byi6y_167{font-size:.9375rem;color:var(--muted-foreground);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}._skeletonDesc_byi6y_178{display:flex;flex-direction:column;gap:var(--spacing-2);margin:var(--spacing-2) 0}._topics_byi6y_185{display:flex;flex-wrap:wrap;gap:var(--spacing-2);margin-top:auto;padding-top:var(--spacing-4)}._topicTag_byi6y_193{font-family:var(--font-family-monospace);font-size:.75rem;padding:2px var(--spacing-2);background-color:var(--muted);color:var(--foreground);border-radius:var(--radius-sm);border:1px solid var(--border)}._metaGrid_byi6y_203{display:flex;gap:var(--spacing-4);padding-top:var(--spacing-4);border-top:1px dashed var(--border)}._metaItem_byi6y_210{display:flex;align-items:center;gap:var(--spacing-2);font-size:.8125rem;color:var(--foreground);font-weight:500}._metaItem_byi6y_210 svg{color:var(--muted-foreground)}._cardFooter_byi6y_223{display:flex;align-items:center;margin-top:var(--spacing-6);padding-top:var(--spacing-4);border-top:1px solid var(--border)}._actionBtn_byi6y_231{width:100%;display:flex;justify-content:center;gap:var(--spacing-2)}._externalIcon_byi6y_238{margin-left:var(--spacing-1);opacity:.7}._comingSoonWrapper_byi6y_243{width:100%;display:flex;justify-content:center;padding:var(--spacing-2) 0}._comingSoonBadge_byi6y_250{display:flex;gap:var(--spacing-2);align-items:center;color:var(--muted-foreground);border-color:var(--border)}._emptyState_byi6y_258{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--spacing-16) var(--spacing-6);background-color:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-lg);gap:var(--spacing-4)}._emptyIcon_byi6y_271{color:var(--muted-foreground);opacity:.5;margin-bottom:var(--spacing-2)}._emptyTitle_byi6y_277{font-size:1.25rem;font-weight:600;color:var(--foreground);margin:0}._emptyText_byi6y_284{color:var(--muted-foreground);max-width:400px;margin:0 0 var(--spacing-4)}._bottomCta_byi6y_290{margin-top:var(--spacing-20);padding:var(--spacing-16) var(--spacing-6);background-color:var(--secondary);color:var(--secondary-foreground);border-radius:var(--radius-lg);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--spacing-6)}._ctaTitle_byi6y_303{font-family:var(--font-family-display);font-size:2.25rem;font-weight:700;margin:0}._ctaDesc_byi6y_310{font-size:1.125rem;color:color-mix(in srgb,var(--secondary-foreground) 80%,transparent);max-width:600px;line-height:1.6;margin:0}._ctaButtons_byi6y_318{display:flex;gap:var(--spacing-4);margin-top:var(--spacing-2);flex-wrap:wrap;justify-content:center}._skeletonIcon_byi6y_326{width:80px;height:24px;border-radius:var(--radius-full)}._skeletonTitle_byi6y_327{width:90%;height:28px}._skeletonLine_byi6y_328{width:100%;height:16px}._skeletonLine95_byi6y_329{width:95%;height:16px}._skeletonLine80_byi6y_330{width:80%;height:16px}._skeletonTopicSm_byi6y_331{width:60px;height:22px}._skeletonTopicMd_byi6y_332{width:80px;height:22px}._skeletonTopicXs_byi6y_333{width:50px;height:22px}._skeletonButton_byi6y_334{width:100%;height:40px}}