.premium-hub-layout[data-astro-cid-tbq2h3iz]{background-color:#fafbfc;font-family:var( --font-body, -apple-system, BlinkMacSystemFont, sans-serif );color:#334155;min-height:90vh;padding-bottom:8rem}.content-bound[data-astro-cid-tbq2h3iz]{max-width:1140px;margin:0 auto;padding:0 1.5rem}.clean-hub-header[data-astro-cid-tbq2h3iz]{padding:5rem 0 2.5rem;background-color:#fafbfc}.premium-hub-badge[data-astro-cid-tbq2h3iz]{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue, #123f8c);background-color:#123f8c0f;padding:.4rem 1rem;border-radius:100px;margin-bottom:1.5rem}.premium-hub-title[data-astro-cid-tbq2h3iz]{font-family:var(--font-display),sans-serif;font-size:2.75rem;font-weight:800;color:var(--ink, #0f172a);line-height:1.15;letter-spacing:-.03em;margin:0 0 1.25rem}@media(min-width:768px){.premium-hub-title[data-astro-cid-tbq2h3iz]{font-size:3.5rem}}.premium-hub-lead[data-astro-cid-tbq2h3iz]{font-size:1.2rem;line-height:1.65;color:#475569;max-width:760px;margin:0 0 3rem}.hub-header-divider[data-astro-cid-tbq2h3iz]{height:1px;background:linear-gradient(to right,#e2e8f0,transparent);width:100%}.grid-section[data-astro-cid-tbq2h3iz]{padding-top:1rem}.section-meta[data-astro-cid-tbq2h3iz]{margin-bottom:3rem}.section-meta[data-astro-cid-tbq2h3iz] h2[data-astro-cid-tbq2h3iz]{font-family:var(--font-display),sans-serif;font-size:1.5rem;color:var(--ink, #0f172a);margin:0 0 .5rem;font-weight:700;letter-spacing:-.01em}.section-meta[data-astro-cid-tbq2h3iz] p[data-astro-cid-tbq2h3iz]{color:#64748b;font-size:1.05rem;margin:0}.topics-grid[data-astro-cid-tbq2h3iz]{display:grid;grid-template-columns:1fr;gap:1.75rem}@media(min-width:640px){.topics-grid[data-astro-cid-tbq2h3iz]{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.topics-grid[data-astro-cid-tbq2h3iz]{grid-template-columns:repeat(3,1fr)}}.premium-topic-card[data-astro-cid-tbq2h3iz]{text-decoration:none;color:inherit;display:block;background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 4px 12px #00000003;transition:transform .25s cubic-bezier(.16,1,.3,1),border-color .25s ease,box-shadow .25s ease}.card-inner[data-astro-cid-tbq2h3iz]{padding:2.25rem;display:flex;flex-direction:column;height:100%;box-sizing:border-box}.card-header-row[data-astro-cid-tbq2h3iz]{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.75rem}.badge-group[data-astro-cid-tbq2h3iz]{display:flex;flex-wrap:wrap;gap:.5rem}.code-badge[data-astro-cid-tbq2h3iz]{background:#f8fafc;color:var(--ink, #0f172a);font-family:var(--font-mono, monospace);font-size:.9rem;font-weight:700;padding:.3rem .65rem;border-radius:6px;border:1px solid #e2e8f0}.level-badge[data-astro-cid-tbq2h3iz]{font-size:.72rem;font-weight:600;padding:.35rem .65rem;border-radius:6px;text-transform:uppercase;letter-spacing:.04em}.level-badge[data-astro-cid-tbq2h3iz].sl-hl-track{background-color:#f0fdf4;color:#166534}.level-badge[data-astro-cid-tbq2h3iz].hl-track{background-color:#fff1f2;color:#9f1239}.arrow-indicator[data-astro-cid-tbq2h3iz]{color:#94a3b8;transition:transform .25s cubic-bezier(.16,1,.3,1),color .2s ease;padding-top:.25rem}.topic-title[data-astro-cid-tbq2h3iz]{font-family:var(--font-display),sans-serif;font-size:1.3rem;color:var(--ink, #0f172a);margin:0 0 2.5rem;font-weight:600;line-height:1.4;letter-spacing:-.01em;flex-grow:1}.card-footer[data-astro-cid-tbq2h3iz]{border-top:1px solid #f1f5f9;padding-top:1.25rem}.interactive-tag[data-astro-cid-tbq2h3iz]{font-size:.8rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.05em;transition:color .2s ease}.premium-topic-card[data-astro-cid-tbq2h3iz]:hover{transform:translateY(-4px);border-color:var(--blue, #123f8c);box-shadow:0 16px 32px #123f8c0a}.premium-topic-card[data-astro-cid-tbq2h3iz]:hover .arrow-indicator[data-astro-cid-tbq2h3iz]{transform:translate(4px);color:var(--blue, #123f8c)}.premium-topic-card[data-astro-cid-tbq2h3iz]:hover .interactive-tag[data-astro-cid-tbq2h3iz]{color:var(--blue, #123f8c)}@media(max-width:640px){.card-inner[data-astro-cid-tbq2h3iz]{padding:1.75rem}.topic-title[data-astro-cid-tbq2h3iz]{margin-bottom:2rem}}