.catalog-hero[data-astro-cid-ctiyj35v]{background:linear-gradient(180deg,#fffdf6,#f5eed8);border-bottom:1px solid var(--color-border);padding:3.5rem 0 2.5rem}.hero-top[data-astro-cid-ctiyj35v]{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;flex-wrap:wrap;gap:1rem}.hero-badges[data-astro-cid-ctiyj35v]{display:flex;gap:.5rem}.back-link[data-astro-cid-ctiyj35v]{font-family:var(--font-sans);font-size:.88rem;font-weight:600;color:var(--color-brand-primary);display:inline-flex;align-items:center;gap:.35rem}.back-link[data-astro-cid-ctiyj35v]:hover{color:var(--color-brand-secondary);transform:translate(-2px)}.page-title[data-astro-cid-ctiyj35v]{font-family:var(--font-serif);font-size:clamp(2rem,4vw,2.75rem);font-weight:700;color:var(--color-brand-primary);margin-bottom:.65rem;line-height:1.15;letter-spacing:-.01em}.page-subtitle[data-astro-cid-ctiyj35v]{font-family:var(--font-sans);color:var(--color-ink-soft);font-size:1.08rem;max-width:780px;line-height:1.6;margin-bottom:2.25rem}.search-bar-wrapper[data-astro-cid-ctiyj35v]{display:flex;flex-direction:column;gap:1.25rem}.search-input-box[data-astro-cid-ctiyj35v]{position:relative;max-width:640px}.search-icon[data-astro-cid-ctiyj35v]{position:absolute;left:1.1rem;top:50%;transform:translateY(-50%);color:var(--color-ink-faint);pointer-events:none}.search-input-box[data-astro-cid-ctiyj35v] input[data-astro-cid-ctiyj35v]{width:100%;min-height:48px;padding:.85rem 1.2rem .85rem 3rem;border-radius:var(--radius-sm);border:1px solid var(--color-border);font-family:var(--font-sans);font-size:1rem;background:#fff;color:var(--color-ink);outline:none;box-shadow:var(--shadow-sm);touch-action:manipulation;-webkit-appearance:none;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.search-input-box[data-astro-cid-ctiyj35v] input[data-astro-cid-ctiyj35v]:focus{border-color:var(--color-brand-primary);box-shadow:0 0 0 3px #2f4a341f}.filter-pills[data-astro-cid-ctiyj35v]{display:flex;gap:.65rem;flex-wrap:wrap}@media (max-width: 640px){.filter-pills[data-astro-cid-ctiyj35v]{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:.4rem;margin:0 -1rem;padding-left:1rem;padding-right:1rem;scrollbar-width:none}.filter-pills[data-astro-cid-ctiyj35v]::-webkit-scrollbar{display:none}.filter-pill[data-astro-cid-ctiyj35v]{white-space:nowrap;flex-shrink:0}}.filter-pill[data-astro-cid-ctiyj35v]{background:#fffc;border:1px solid var(--color-border);min-height:40px;display:inline-flex;align-items:center;justify-content:center;padding:.45rem 1.15rem;border-radius:var(--radius-full);font-family:var(--font-sans);font-size:.88rem;font-weight:600;color:var(--color-ink-soft);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:all var(--transition-base)}.filter-pill[data-astro-cid-ctiyj35v]:hover{background:var(--color-surface-sunken);color:var(--color-brand-primary);border-color:var(--color-brand-primary)}.filter-pill[data-astro-cid-ctiyj35v].active{background:var(--color-brand-primary);color:#fff;border-color:var(--color-brand-primary);box-shadow:var(--shadow-sm)}.catalog-grid-section[data-astro-cid-ctiyj35v]{padding:3.5rem 0 5rem}.courses-grid[data-astro-cid-ctiyj35v]{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:2rem}.course-card[data-astro-cid-ctiyj35v]{padding:0;overflow:hidden;display:flex;flex-direction:column;background:var(--color-surface-card)}.card-link[data-astro-cid-ctiyj35v]{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none}.card-media[data-astro-cid-ctiyj35v]{position:relative;height:180px;background-color:var(--color-surface-sunken);overflow:hidden}.card-media[data-astro-cid-ctiyj35v] img[data-astro-cid-ctiyj35v]{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.course-card[data-astro-cid-ctiyj35v]:hover .card-media[data-astro-cid-ctiyj35v] img[data-astro-cid-ctiyj35v]{transform:scale(1.06)}.card-badge[data-astro-cid-ctiyj35v]{position:absolute;top:.85rem;left:.85rem;z-index:2;box-shadow:0 2px 6px #0000001f}.card-body[data-astro-cid-ctiyj35v]{padding:1.5rem;display:flex;flex-direction:column;flex:1}.card-top-meta[data-astro-cid-ctiyj35v]{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.card-code[data-astro-cid-ctiyj35v]{font-family:var(--font-sans);font-size:.72rem;font-weight:700;color:var(--color-brand-secondary);text-transform:uppercase;letter-spacing:.05em}.card-pages[data-astro-cid-ctiyj35v]{font-family:var(--font-sans);font-size:.78rem;color:var(--color-ink-faint);font-weight:500}.card-title[data-astro-cid-ctiyj35v]{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;color:var(--color-brand-primary);margin-bottom:.65rem;line-height:1.3}.card-summary[data-astro-cid-ctiyj35v]{font-family:var(--font-sans);font-size:.9rem;color:var(--color-ink-soft);line-height:1.55;margin-bottom:1.5rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-meta[data-astro-cid-ctiyj35v]{margin-top:auto;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--color-border);padding-top:1rem;font-size:.85rem}.card-tag[data-astro-cid-ctiyj35v]{color:var(--color-ink-faint);font-weight:500}.card-cta[data-astro-cid-ctiyj35v]{font-weight:700;color:var(--color-brand-secondary);transition:transform var(--transition-fast)}.course-card[data-astro-cid-ctiyj35v]:hover .card-cta[data-astro-cid-ctiyj35v]{transform:translate(3px)}.no-results[data-astro-cid-ctiyj35v]{text-align:center;padding:4rem 1rem;background:var(--color-surface-sunken);border-radius:var(--radius-md);border:1px solid var(--color-border);font-family:var(--font-sans);color:var(--color-ink-soft)}