.lesson-hero[data-astro-cid-cdhfwjfe]{padding:56px 0 28px}.lesson-hero-inner[data-astro-cid-cdhfwjfe]{border-right:4px solid var(--gold);padding:.5rem 1.4rem .5rem 0}.lesson-hero[data-astro-cid-cdhfwjfe] h1[data-astro-cid-cdhfwjfe]{color:var(--rosewood);margin:.5rem 0 1rem;font-size:clamp(2rem,4vw,3.2rem);line-height:1.35}.lesson-hero[data-astro-cid-cdhfwjfe] .lead[data-astro-cid-cdhfwjfe]{opacity:.9;max-width:60ch;font-size:1.1rem;line-height:1.9}.lesson-hero-actions[data-astro-cid-cdhfwjfe]{flex-wrap:wrap;align-items:center;gap:12px;margin-top:1.4rem;display:flex}.lesson-hero-chip[data-astro-cid-cdhfwjfe]{color:var(--rosewood);background:#c59a3a1f;border:1px solid #c59a3a59;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-size:.9rem;font-weight:700;display:inline-flex}.lesson-hero-chip[data-astro-cid-cdhfwjfe] .dot[data-astro-cid-cdhfwjfe]{background:var(--gold);border-radius:50%;width:8px;height:8px;animation:2.2s infinite lessonPulse;box-shadow:0 0 #c59a3a99}@keyframes lessonPulse{0%{box-shadow:0 0 #c59a3a8c}70%{box-shadow:0 0 0 10px #c59a3a00}to{box-shadow:0 0 #c59a3a00}}.lesson-layout-section[data-astro-cid-cdhfwjfe]{padding-top:12px}.lesson-layout[data-astro-cid-cdhfwjfe]{grid-template-columns:320px minmax(0,1fr);align-items:start;gap:36px;display:grid}.lesson-path-aside[data-astro-cid-cdhfwjfe]{position:sticky;top:96px}.lesson-path-card[data-astro-cid-cdhfwjfe]{background:var(--white);border:1px solid var(--line-soft);border-left:4px solid var(--gold);border-radius:var(--radius-md);padding:1.4rem 1.3rem;box-shadow:0 12px 28px -24px #4a261859}.lesson-path-head[data-astro-cid-cdhfwjfe]{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:1rem;display:flex}.lesson-path-head[data-astro-cid-cdhfwjfe] h2[data-astro-cid-cdhfwjfe]{font-family:var(--font-display);color:var(--rosewood);margin:0;font-size:1.15rem}.lesson-path-progress[data-astro-cid-cdhfwjfe]{color:var(--gold-deep,var(--gold));font-size:.85rem;font-weight:700}.lesson-info[data-astro-cid-cdhfwjfe]{border-bottom:1px solid var(--line-soft);padding:.8rem 0}.lesson-info[data-astro-cid-cdhfwjfe]:last-child{border-bottom:none}.lesson-info-label[data-astro-cid-cdhfwjfe]{font-family:var(--font-mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin:0 0 .3rem;font-size:.75rem}.lesson-info-value[data-astro-cid-cdhfwjfe]{font-family:var(--font-display);color:var(--ink);margin:0;font-size:1rem;font-weight:500}.lesson-content-section[data-astro-cid-cdhfwjfe]{margin-bottom:2rem}.lesson-body-text[data-astro-cid-cdhfwjfe]{color:var(--ink-2);max-width:70ch;font-size:1.05rem;line-height:1.9}.lesson-body-text[data-astro-cid-cdhfwjfe] p[data-astro-cid-cdhfwjfe]{margin:0 0 1rem}.lesson-path-list[data-astro-cid-cdhfwjfe]{margin:0;padding:0;list-style:none;position:relative}.lesson-path-list[data-astro-cid-cdhfwjfe]:before{content:"";background:#c59a3a40;width:2px;position:absolute;top:12px;bottom:12px;right:14px}.lesson-step[data-astro-cid-cdhfwjfe]{grid-template-columns:32px 1fr;gap:12px;padding:0 0 18px;display:grid;position:relative}.lesson-step[data-astro-cid-cdhfwjfe]:last-child{padding-bottom:0}.lesson-step-marker[data-astro-cid-cdhfwjfe]{z-index:1;width:30px;height:30px;font-family:var(--font-display);background:var(--ivory);color:var(--gold);border:2px solid #c59a3a59;border-radius:50%;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:inline-flex;position:relative}.lesson-step[data-astro-cid-cdhfwjfe].is-done .lesson-step-marker[data-astro-cid-cdhfwjfe]{background:var(--gold);color:#fff;border-color:var(--gold)}.lesson-step[data-astro-cid-cdhfwjfe].is-active .lesson-step-marker[data-astro-cid-cdhfwjfe]{background:var(--rosewood);color:#fff;border-color:var(--rosewood);box-shadow:0 0 0 5px #8a332426}.lesson-step[data-astro-cid-cdhfwjfe].is-locked{opacity:.55}.lesson-step-title[data-astro-cid-cdhfwjfe]{color:var(--ink);overflow-wrap:anywhere;margin:0;font-weight:700;line-height:1.5}.lesson-step[data-astro-cid-cdhfwjfe].is-active .lesson-step-title[data-astro-cid-cdhfwjfe]{color:var(--rosewood)}.lesson-step-meta[data-astro-cid-cdhfwjfe]{color:var(--muted);margin:2px 0 0;font-size:.82rem}.lesson-step[data-astro-cid-cdhfwjfe].is-active .lesson-step-meta[data-astro-cid-cdhfwjfe]{color:var(--gold);font-weight:700}.lesson-path-actions[data-astro-cid-cdhfwjfe]{border-top:1px solid var(--line-soft);flex-direction:column;gap:8px;margin-top:1.2rem;padding-top:1rem;display:flex}.lesson-path-actions[data-astro-cid-cdhfwjfe] .button[data-astro-cid-cdhfwjfe]{text-align:center;justify-content:center;width:100%}.lesson-main[data-astro-cid-cdhfwjfe]{flex-direction:column;gap:40px;display:flex}.lesson-section-title[data-astro-cid-cdhfwjfe]{font-family:var(--font-display);color:var(--rosewood);border-bottom:2px solid #c59a3a40;margin:0 0 .6rem;padding-bottom:.6rem;font-size:1.6rem}.lesson-section-lead[data-astro-cid-cdhfwjfe]{color:var(--muted);max-width:60ch;margin:0 0 1rem}.lesson-roadmap-list[data-astro-cid-cdhfwjfe]{flex-direction:column;gap:12px;display:flex}.lesson-roadmap-card[data-astro-cid-cdhfwjfe]{background:var(--white);border:1px solid var(--line-soft);border-left:4px solid var(--gold);border-radius:var(--radius-md);color:var(--ink);grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:18px 20px;text-decoration:none;transition:transform .18s,box-shadow .18s,border-color .18s;display:grid}.lesson-roadmap-card[data-astro-cid-cdhfwjfe]:hover{border-color:var(--gold);transform:translate(6px);box-shadow:0 14px 32px -22px #4a26184d}.lesson-roadmap-index[data-astro-cid-cdhfwjfe]{font-family:var(--font-display);color:#8a33242e;text-align:center;min-width:2.6ch;font-size:1.8rem;font-weight:700;line-height:1}.lesson-roadmap-card[data-astro-cid-cdhfwjfe]:hover .lesson-roadmap-index[data-astro-cid-cdhfwjfe]{color:#8a332473}.lesson-roadmap-body[data-astro-cid-cdhfwjfe] h3[data-astro-cid-cdhfwjfe]{color:var(--ink);overflow-wrap:anywhere;margin:0 0 4px;font-size:1.1rem}.lesson-roadmap-body[data-astro-cid-cdhfwjfe] p[data-astro-cid-cdhfwjfe]{color:var(--muted);overflow-wrap:anywhere;margin:0;font-size:.92rem;line-height:1.7}.lesson-roadmap-arrow[data-astro-cid-cdhfwjfe]{background:var(--ivory);width:40px;height:40px;color:var(--rosewood);border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;font-weight:700;transition:background .18s,color .18s;display:inline-flex}.lesson-roadmap-card[data-astro-cid-cdhfwjfe]:hover .lesson-roadmap-arrow[data-astro-cid-cdhfwjfe]{background:var(--rosewood);color:#fff}@media (width<=900px){.lesson-layout[data-astro-cid-cdhfwjfe]{grid-template-columns:1fr}.lesson-path-aside[data-astro-cid-cdhfwjfe]{position:static}.lesson-roadmap-card[data-astro-cid-cdhfwjfe]{grid-template-columns:auto 1fr}.lesson-roadmap-arrow[data-astro-cid-cdhfwjfe]{display:none}}