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#e8ecef;border-radius:50px;font-weight:700;color:var(--color-gray);transition:all .3s}.level-link[data-astro-cid-ewu5s3ai]:hover{border-color:#ff9800;color:#ff9800;transform:translateY(-2px)}.level-link[data-astro-cid-ewu5s3ai].active{background:#ff9800;color:#fff;border-color:#ff9800;box-shadow:0 8px 20px #ff980033}.block-section[data-astro-cid-ewu5s3ai]{margin-bottom:56px;background:#fafbfc;border-radius:24px;padding:32px;border:1px solid rgba(0,0,0,.03);box-shadow:0 4px 20px #00000003}.block-header[data-astro-cid-ewu5s3ai]{border-left:4px solid var(--block-color);padding-left:16px;margin-bottom:28px}.block-number[data-astro-cid-ewu5s3ai]{font-size:.85rem;font-weight:700;text-transform:uppercase;color:var(--block-color);letter-spacing:1.5px;display:block;margin-bottom:4px}.block-title[data-astro-cid-ewu5s3ai]{font-size:1.6rem;color:#1f2937;font-weight:700;margin:0}.lessons-grid[data-astro-cid-ewu5s3ai]{display:grid;gap:20px;grid-template-columns:1fr}@media(min-width:768px){.lessons-grid[data-astro-cid-ewu5s3ai]{grid-template-columns:repeat(2,1fr)}}.lesson-card[data-astro-cid-ewu5s3ai]{display:flex;flex-direction:column;justify-content:space-between;padding:24px;background:#fff;border-radius:18px;border:1px solid rgba(0,0,0,.04);box-shadow:0 4px 15px #00000005;text-decoration:none;transition:all .3s cubic-bezier(.25,.8,.25,1);position:relative}.lesson-card[data-astro-cid-ewu5s3ai]:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent, #FF9800);transition:width .3s 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20px}.lesson-card__icon[data-astro-cid-ewu5s3ai] span[data-astro-cid-ewu5s3ai]{font-weight:600;color:var(--accent, #FF9800);background:#ff980014;padding:8px 16px;border-radius:50px;font-size:.85rem;transition:background .3s,color .3s}.lesson-card[data-astro-cid-ewu5s3ai]:hover .lesson-card__icon[data-astro-cid-ewu5s3ai] span[data-astro-cid-ewu5s3ai]{background:var(--accent);color:#fff}.lesson-header-row[data-astro-cid-ewu5s3ai]{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.premium-tag[data-astro-cid-ewu5s3ai]{background:#ff3b30;color:#fff;padding:4px 10px;border-radius:6px;font-size:.72rem;font-weight:700;text-transform:uppercase;white-space:nowrap}.lesson-card[data-astro-cid-ewu5s3ai].locked{background:#f9fafb;opacity:.85}.lesson-card[data-astro-cid-ewu5s3ai].locked .lesson-card__icon[data-astro-cid-ewu5s3ai] span[data-astro-cid-ewu5s3ai]{color:#9ca3af;background:#f3f4f6}.lesson-card[data-astro-cid-ewu5s3ai].locked:hover{border-color:#00000014}.practice-section[data-astro-cid-ewu5s3ai]{max-width:1000px;margin:60px auto 0;padding:40px;background:linear-gradient(135deg,#ff98000d,#ff98001a);border-radius:24px;text-align:left}.practice-section[data-astro-cid-ewu5s3ai] h2[data-astro-cid-ewu5s3ai]{font-size:1.8rem;color:var(--color-primary);margin-bottom:8px}.practice-section[data-astro-cid-ewu5s3ai]>p[data-astro-cid-ewu5s3ai]{color:var(--color-gray);margin-bottom:28px}.practice-grid[data-astro-cid-ewu5s3ai]{display:grid;gap:20px;grid-template-columns:1fr}@media(min-width:768px){.practice-grid[data-astro-cid-ewu5s3ai]{grid-template-columns:repeat(3,1fr)}}.practice-card[data-astro-cid-ewu5s3ai]{background:#fff;padding:24px;border-radius:16px;text-align:center}.practice-card[data-astro-cid-ewu5s3ai] h4[data-astro-cid-ewu5s3ai]{font-size:1.1rem;color:var(--color-text);margin-bottom:8px}.practice-card[data-astro-cid-ewu5s3ai] p[data-astro-cid-ewu5s3ai]{font-size:.9rem;color:var(--color-gray);margin-bottom:16px}.practice-btn[data-astro-cid-ewu5s3ai]{display:inline-block;padding:10px 24px;background:var(--color-primary);color:#fff;text-decoration:none;border-radius:50px;font-weight:600;font-size:.9rem;transition:background .3s}.practice-btn[data-astro-cid-ewu5s3ai]:hover{background:#3a5c5d}.challenge-section[data-astro-cid-ewu5s3ai]{max-width:1000px;margin:40px auto 0;text-align:left}.challenge-section[data-astro-cid-ewu5s3ai] h2[data-astro-cid-ewu5s3ai]{font-size:1.5rem;color:var(--color-primary);margin-bottom:20px}.challenge-card[data-astro-cid-ewu5s3ai]{background:linear-gradient(135deg,#ff980014,#ff980026);border-radius:20px;padding:32px;border:1px solid rgba(255,152,0,.2)}.challenge-card[data-astro-cid-ewu5s3ai] p[data-astro-cid-ewu5s3ai]{margin-bottom:16px;font-size:1rem;color:var(--color-text)}.challenge-list[data-astro-cid-ewu5s3ai]{list-style:none;padding:0;margin-bottom:20px}.challenge-list[data-astro-cid-ewu5s3ai] li[data-astro-cid-ewu5s3ai]{padding:8px 0;color:var(--color-text);font-size:.95rem}.challenge-hint[data-astro-cid-ewu5s3ai]{font-style:italic;color:var(--color-gray)!important}.progress-section[data-astro-cid-ewu5s3ai]{max-width:1000px;margin:40px auto 0;padding:32px 40px;background:#fff;border-radius:20px;border:1px solid rgba(0,0,0,.05);text-align:left}.progress-section[data-astro-cid-ewu5s3ai] h2[data-astro-cid-ewu5s3ai]{font-size:1.5rem;color:var(--color-primary);margin-bottom:20px}.progress-bar-container[data-astro-cid-ewu5s3ai]{margin-bottom:12px}.progress-label[data-astro-cid-ewu5s3ai]{display:flex;justify-content:space-between;margin-bottom:8px;font-size:.95rem;color:var(--color-text)}.progress-bar[data-astro-cid-ewu5s3ai]{height:12px;background:#e8ecef;border-radius:6px;overflow:hidden}.progress-fill[data-astro-cid-ewu5s3ai]{height:100%;background:linear-gradient(90deg,#ff9800,#ffc107);border-radius:6px;transition:width .5s ease}.progress-hint[data-astro-cid-ewu5s3ai]{font-size:.9rem;color:var(--color-gray)}