.lessons-container[data-astro-cid-d5adchmd]{max-width:960px;margin:0 auto;text-align:left}.page-intro[data-astro-cid-d5adchmd]{margin-bottom:48px}.page-intro[data-astro-cid-d5adchmd] h2[data-astro-cid-d5adchmd]{font-size:2.2rem;color:var(--color-primary);margin-bottom:12px}.lessons-subtitle[data-astro-cid-d5adchmd]{color:var(--color-gray);margin-bottom:24px;font-size:1.15rem;line-height:1.6}.progress-overview[data-astro-cid-d5adchmd]{display:flex;flex-wrap:wrap;gap:12px}.progress-pill[data-astro-cid-d5adchmd]{background:#f3f4f6;color:#374151;padding:8px 16px;border-radius:50px;font-size:.9rem;font-weight:500;border:1px solid rgba(0,0,0,.05)}.progress-pill[data-astro-cid-d5adchmd] strong[data-astro-cid-d5adchmd]{color:var(--color-primary);font-size:1.05rem}.level-nav[data-astro-cid-d5adchmd]{display:flex;gap:12px;margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid rgba(0,0,0,.05)}.level-link[data-astro-cid-d5adchmd]{padding:10px 24px;background:#fff;border:1px solid #e8ecef;border-radius:50px;font-weight:700;color:var(--color-gray);transition:all .3s}.level-link[data-astro-cid-d5adchmd]:hover{border-color:#8bc34a;color:#8bc34a;transform:translateY(-2px)}.level-link[data-astro-cid-d5adchmd].active{background:#8bc34a;color:#fff;border-color:#8bc34a;box-shadow:0 8px 20px #8bc34a33}.block-section[data-astro-cid-d5adchmd]{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-d5adchmd]{border-left:4px solid var(--block-color);padding-left:16px;margin-bottom:28px}.block-number[data-astro-cid-d5adchmd]{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-d5adchmd]{font-size:1.6rem;color:#1f2937;font-weight:700;margin:0}.lessons-grid[data-astro-cid-d5adchmd]{display:grid;gap:20px;grid-template-columns:1fr}@media(min-width:768px){.lessons-grid[data-astro-cid-d5adchmd]{grid-template-columns:repeat(2,1fr)}}.lesson-card[data-astro-cid-d5adchmd]{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-d5adchmd]:hover{transform:translateY(-4px);box-shadow:0 12px 30px #0000000f;border-color:var(--block-color)}.lesson-card__top[data-astro-cid-d5adchmd]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.lesson-number[data-astro-cid-d5adchmd]{width:28px;height:28px;background:#f3f4f6;color:#4b5563;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:.85rem;font-weight:700;transition:all .3s}.lesson-card[data-astro-cid-d5adchmd]:hover .lesson-number[data-astro-cid-d5adchmd]{background:var(--block-color);color:#fff}.lesson-emoji[data-astro-cid-d5adchmd]{font-size:1.4rem}.lesson-card__content[data-astro-cid-d5adchmd] h4[data-astro-cid-d5adchmd]{font-size:1.25rem;color:#1f2937;margin:0 0 8px;font-weight:700}.lesson-card__content[data-astro-cid-d5adchmd] p[data-astro-cid-d5adchmd]{color:#6b7280;font-size:.9rem;line-height:1.55;margin:0 0 20px}.lesson-card__icon[data-astro-cid-d5adchmd] span[data-astro-cid-d5adchmd]{font-weight:600;color:var(--block-color);background:#00000005;padding:8px 16px;border-radius:50px;font-size:.85rem;transition:background .3s,color .3s}.lesson-card[data-astro-cid-d5adchmd]:hover .lesson-card__icon[data-astro-cid-d5adchmd] span[data-astro-cid-d5adchmd]{background:var(--block-color);color:#fff}.lesson-header-row[data-astro-cid-d5adchmd]{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.premium-tag[data-astro-cid-d5adchmd]{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-d5adchmd].locked{background:#f9fafb;opacity:.85}.lesson-card[data-astro-cid-d5adchmd].locked .lesson-card__icon[data-astro-cid-d5adchmd] span[data-astro-cid-d5adchmd]{color:#9ca3af;background:#f3f4f6}.lesson-card[data-astro-cid-d5adchmd].locked:hover{border-color:#00000014}