.module-header[data-astro-cid-mhcwui4e]{padding:var(--sp-6) 0;border-bottom:1px solid var(--border);position:relative}.module-header[data-astro-cid-mhcwui4e]:before{content:"";background:var(--accent);height:4px;position:absolute;top:0;left:0;right:0}.module-header__grid[data-astro-cid-mhcwui4e]{gap:var(--sp-6);grid-template-columns:minmax(0,1fr) minmax(280px,420px);align-items:center;display:grid}.module-header__title[data-astro-cid-mhcwui4e]{margin:0 0 var(--sp-2);letter-spacing:-.02em;font-size:clamp(2rem,4vw,3.25rem)}.module-header__lede[data-astro-cid-mhcwui4e]{font-size:clamp(1rem, 1.5vw, var(--fs-lg));color:var(--fg-muted);max-width:60ch;margin:0 0 var(--sp-4);line-height:1.6}.module-header__meta[data-astro-cid-mhcwui4e]{color:var(--fg-subtle);font-size:var(--fs-sm);margin:0}.module-header__details[data-astro-cid-mhcwui4e]{gap:var(--sp-1);min-width:min(100%,15rem);display:grid}.module-header__progress[data-astro-cid-mhcwui4e]{color:var(--fg-muted);font-size:var(--fs-sm);font-weight:600}.module-header__progress-bar[data-astro-cid-mhcwui4e]{background:var(--bg-sunk);border-radius:999px;width:100%;height:5px;overflow:hidden}.module-header__progress-fill[data-astro-cid-mhcwui4e]{background:var(--accent);width:0;height:100%}.module-header__actions[data-astro-cid-mhcwui4e]{align-items:center;gap:var(--sp-3);flex-wrap:wrap;display:flex}.module-header__button[data-astro-cid-mhcwui4e]{min-height:44px;padding:var(--sp-2) var(--sp-4);background:var(--primary);color:var(--primary-ink);border-radius:0;align-items:center;font-weight:700;text-decoration:none;display:inline-flex}.module-header__button[data-astro-cid-mhcwui4e]:hover{color:var(--primary-ink);filter:brightness(.95)}.module-header__art[data-astro-cid-mhcwui4e]{aspect-ratio:4/3;object-fit:contain;background:var(--bg-elev);border-radius:var(--radius-sm);border:1px solid var(--border);filter:grayscale(.3);width:100%;max-height:17rem}.module-body[data-astro-cid-mhcwui4e]{padding:var(--sp-6) var(--sp-5)}@media (width<=780px){.module-header__grid[data-astro-cid-mhcwui4e]{grid-template-columns:1fr}.module-header__art[data-astro-cid-mhcwui4e]{max-width:24rem}}.lesson-card[data-astro-cid-ucruwy7d]{gap:var(--sp-5);padding:var(--sp-5) var(--sp-6);background:var(--canvas-elev);border:1px solid var(--rule);border-radius:var(--radius-sm);color:var(--ink);grid-template-columns:10rem minmax(0,1fr) auto;align-items:start;text-decoration:none;transition:transform .2s,border-color .2s;display:grid;position:relative;overflow:hidden}.lesson-card__media[data-astro-cid-ucruwy7d]{aspect-ratio:16/9;background:var(--bg-sunk);border:1px solid var(--border);border-radius:var(--radius-sm);display:block;position:relative;overflow:hidden}.lesson-card__media[data-astro-cid-ucruwy7d] img{object-fit:cover;width:100%;height:100%;transition:transform .25s;display:block}.lesson-card[data-astro-cid-ucruwy7d]:hover .lesson-card__media[data-astro-cid-ucruwy7d] img{transform:scale(1.025)}.lesson-card__media[data-astro-cid-ucruwy7d] .module-pill[data-astro-cid-ucruwy7d]{top:var(--sp-2);left:var(--sp-2);background:color-mix(in oklab, var(--bg-elev) 88%, transparent);backdrop-filter:blur(5px);position:absolute}.lesson-card[data-astro-cid-ucruwy7d]:before{content:"";background:var(--primary);opacity:.85;width:3px;height:100%;transition:opacity .2s;position:absolute;top:0;left:0}.lesson-card[data-astro-cid-ucruwy7d]:hover{border-color:var(--rule-strong);transform:translateY(-2px)}.lesson-card__title[data-astro-cid-ucruwy7d]{font-family:var(--font-display);font-size:var(--fs-lg);margin:0 0 var(--sp-2);letter-spacing:-.015em;color:var(--ink);font-weight:600;line-height:1.3}.lesson-card__summary[data-astro-cid-ucruwy7d]{color:var(--ink-2);font-size:var(--fs-sm);margin:0 0 var(--sp-3);line-height:1.6}.lesson-card__meta[data-astro-cid-ucruwy7d]{color:var(--ink-3);font-family:var(--font-mono);font-size:var(--fs-md);font-size:var(--fs-xs);gap:var(--sp-2);flex-wrap:wrap;margin:0;display:flex}.lesson-card__dot[data-astro-cid-ucruwy7d]{opacity:.5}.lesson-card__arrow[data-astro-cid-ucruwy7d]{color:var(--ink-3);align-self:center;transition:transform .15s,color .15s}.lesson-card[data-astro-cid-ucruwy7d]:hover .lesson-card__arrow[data-astro-cid-ucruwy7d]{color:var(--primary);transform:translate(2px)}@media (width<=600px){.lesson-card[data-astro-cid-ucruwy7d]{gap:var(--sp-3);padding-inline:var(--sp-4);grid-template-columns:7rem minmax(0,1fr)}.lesson-card__arrow[data-astro-cid-ucruwy7d]{grid-column:2;justify-self:end}}.lesson-grid[data-astro-cid-enwhkwjm]{gap:var(--sp-3);flex-direction:column;display:flex}.lesson-grid__item[data-astro-cid-enwhkwjm]{position:relative}.lesson-grid__state[data-astro-cid-enwhkwjm]{z-index:1;top:var(--sp-3);right:var(--sp-4);border:1px solid var(--border);background:var(--bg-elev);color:var(--fg-muted);font-size:var(--fs-xs);pointer-events:none;border-radius:999px;padding:.2rem .45rem;font-weight:700;line-height:1.2;position:absolute}.lesson-grid__item[data-astro-cid-enwhkwjm][data-lesson-state=complete] .lesson-grid__state[data-astro-cid-enwhkwjm]{border-color:var(--accent);background:color-mix(in oklab, var(--accent) 14%, var(--bg-elev));color:var(--fg)}.lesson-grid__item[data-astro-cid-enwhkwjm][data-lesson-state=current] .lesson-grid__state[data-astro-cid-enwhkwjm]{border-color:var(--accent);background:var(--accent);color:var(--bg)}.lesson-grid__item[data-astro-cid-enwhkwjm][data-lesson-state=complete] .lesson-card{opacity:.78}@media (width<=600px){.lesson-grid__state[data-astro-cid-enwhkwjm]{top:var(--sp-2);right:var(--sp-3)}.lesson-grid__item[data-astro-cid-enwhkwjm] .lesson-card{padding-top:calc(var(--sp-5) + 1.5rem)}}