.course-hero[data-astro-cid-afvkppsn]{position:relative;width:100vw;margin-left:calc(-50vw + 50%);min-height:320px;overflow:hidden;margin-bottom:2.5rem;margin-top:-2.5rem}.course-hero[data-astro-cid-afvkppsn] img[data-astro-cid-afvkppsn]{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;animation:kb-hero 25s ease-in-out infinite alternate}@keyframes kb-hero{0%{transform:scale(1) translate(0)}to{transform:scale(1.12) translate(-1.5%,-1%)}}.course-hero-scrim[data-astro-cid-afvkppsn]{position:absolute;inset:0;background:linear-gradient(to right,#000000d9,#000000a6 40%,#0003,#0000000d)}.course-hero-content[data-astro-cid-afvkppsn]{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:3rem 2rem;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end}.hero-badges[data-astro-cid-afvkppsn]{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.course-hero[data-astro-cid-afvkppsn] h1[data-astro-cid-afvkppsn]{font-family:var(--serif);font-size:2rem;font-weight:600;color:#fff;margin-bottom:.6rem;text-shadow:0 2px 12px rgba(0,0,0,.7),0 1px 3px rgba(0,0,0,.5)}.hero-description[data-astro-cid-afvkppsn]{font-family:var(--serif);font-size:1rem;color:#fffc;line-height:1.7;max-width:550px;margin-top:.5rem;text-shadow:0 1px 8px rgba(0,0,0,.5)}.hero-meta[data-astro-cid-afvkppsn]{display:flex;align-items:center;gap:1.25rem;margin-top:1.25rem;font-family:var(--sans);font-size:.78rem;color:#ffffff8c;text-shadow:0 1px 6px rgba(0,0,0,.5)}.hero-meta[data-astro-cid-afvkppsn] strong[data-astro-cid-afvkppsn]{color:#ffffffd9;font-weight:600}.lessons-header[data-astro-cid-afvkppsn]{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:.75rem}.lessons-count[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.82rem;color:var(--text-light)}.lesson-list[data-astro-cid-afvkppsn]{display:flex;flex-direction:column;gap:.5rem}.lesson-card[data-astro-cid-afvkppsn]{display:flex;align-items:center;gap:1rem;background:var(--white);border:1px solid var(--border);border-radius:8px;padding:1rem 1.25rem;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}.lesson-card[data-astro-cid-afvkppsn]:hover{border-color:var(--green-light);box-shadow:0 2px 8px #2d6a4f1a;text-decoration:none;color:inherit}.lesson-num[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.8rem;font-weight:700;color:var(--green);min-width:2rem;text-align:center;background:var(--green-bg);border-radius:4px;padding:.2rem .4rem;flex-shrink:0}.lesson-body[data-astro-cid-afvkppsn]{flex:1;min-width:0}.lesson-title[data-astro-cid-afvkppsn]{font-family:var(--sans);font-weight:600;font-size:.97rem;color:var(--text)}.lesson-subtitle[data-astro-cid-afvkppsn]{font-family:var(--serif);font-size:.88rem;color:var(--text-muted);margin-top:.1rem}.lesson-meta[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.75rem;color:var(--text-light);flex-shrink:0}.lesson-arrow[data-astro-cid-afvkppsn]{color:var(--border-strong);font-size:1rem;flex-shrink:0}.lesson-card[data-astro-cid-afvkppsn]:hover .lesson-arrow[data-astro-cid-afvkppsn]{color:var(--green-light)}.back-link[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.82rem;color:var(--text-muted);margin-bottom:1.5rem;display:inline-block}.back-link[data-astro-cid-afvkppsn]:hover{color:var(--green);text-decoration:none}.related-section[data-astro-cid-afvkppsn]{margin-top:3rem}.related-section[data-astro-cid-afvkppsn] h2[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:.75rem}.subcourse-list[data-astro-cid-afvkppsn]{display:flex;flex-direction:column;gap:.5rem}.subcourse-row[data-astro-cid-afvkppsn]{display:flex;align-items:center;gap:1rem;background:var(--white);border:1px solid var(--border);border-radius:8px;padding:.85rem 1.25rem;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}.subcourse-row[data-astro-cid-afvkppsn][href="#"]{opacity:.65;cursor:default}.subcourse-row[data-astro-cid-afvkppsn]:not([href="#"]):hover{border-color:var(--green-light);box-shadow:0 2px 8px #2d6a4f1a;text-decoration:none;color:inherit}.subcourse-num[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.7rem;font-weight:700;color:#fff;background:#8b1a1a;min-width:2.2rem;height:1.75rem;border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;padding:0 .3rem}.subcourse-body[data-astro-cid-afvkppsn]{flex:1;min-width:0}.subcourse-title[data-astro-cid-afvkppsn]{font-family:var(--sans);font-weight:600;font-size:.9rem;color:var(--text)}.subcourse-meta[data-astro-cid-afvkppsn]{font-family:var(--sans);font-size:.75rem;color:var(--text-light);flex-shrink:0}.editable[data-astro-cid-afvkppsn]{position:relative;cursor:pointer}.editable[data-astro-cid-afvkppsn]:hover{outline:1px dashed rgba(255,255,255,.3);outline-offset:4px;border-radius:4px}.edit-hint[data-astro-cid-afvkppsn]{position:absolute;top:-18px;right:0;font-family:var(--sans);font-size:.6rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#ffffff80;background:#0006;padding:1px 6px;border-radius:3px;display:none;pointer-events:none}.editable[data-astro-cid-afvkppsn]:hover .edit-hint[data-astro-cid-afvkppsn]{display:block}.hero-editable[data-astro-cid-afvkppsn]:hover{outline-color:#fff6}.editable-light[data-astro-cid-afvkppsn]:hover{outline-color:#02245240}.editable-light[data-astro-cid-afvkppsn] .edit-hint[data-astro-cid-afvkppsn]{color:var(--green);background:var(--green-bg)}.inline-edit-input[data-astro-cid-afvkppsn]{background:#ffffff1f;border:1px solid rgba(255,255,255,.3);border-radius:6px;padding:.4rem .6rem;color:#fff;font:inherit;width:100%;outline:none}.inline-edit-input[data-astro-cid-afvkppsn]:focus{border-color:#fff9;background:#ffffff2e}.inline-edit-input[data-astro-cid-afvkppsn].light{background:#fffff8;border-color:var(--green-pale);color:var(--text)}.inline-edit-input[data-astro-cid-afvkppsn].light:focus{border-color:var(--green);box-shadow:0 0 0 3px #02245214}.inline-edit-textarea[data-astro-cid-afvkppsn]{background:#ffffff1f;border:1px solid rgba(255,255,255,.3);border-radius:6px;padding:.5rem .6rem;color:#ffffffe6;font:inherit;font-size:.95rem;width:100%;outline:none;resize:vertical;min-height:60px}.inline-edit-textarea[data-astro-cid-afvkppsn]:focus{border-color:#fff9}.auto-gen-course-btn[data-astro-cid-afvkppsn]{display:inline-flex;align-items:center;gap:.4rem;background:linear-gradient(135deg,#022452,#0a3470);color:#fff;border:none;border-radius:6px;padding:.4rem .85rem;font-family:var(--sans);font-size:.78rem;font-weight:600;cursor:pointer;box-shadow:0 2px 8px #02245233;transition:transform .15s,box-shadow .15s}.auto-gen-course-btn[data-astro-cid-afvkppsn]:hover{transform:translateY(-1px);box-shadow:0 3px 12px #0224524d}.lesson-card-editor[data-astro-cid-afvkppsn]{position:relative}.lesson-card-editor[data-astro-cid-afvkppsn] .card-actions[data-astro-cid-afvkppsn]{position:absolute;top:-10px;right:-6px;display:none;gap:2px;background:#fff;border:1px solid var(--border);border-radius:6px;padding:2px;box-shadow:0 2px 8px #0000001f;z-index:5}.lesson-card-editor[data-astro-cid-afvkppsn]:hover .card-actions[data-astro-cid-afvkppsn]{display:flex}.card-action-btn[data-astro-cid-afvkppsn]{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;border-radius:4px;background:transparent;cursor:pointer;color:#666;font-size:.75rem;transition:background .15s,color .15s}.card-action-btn[data-astro-cid-afvkppsn]:hover{background:var(--green-bg);color:var(--green)}.card-action-btn[data-astro-cid-afvkppsn].danger:hover{background:#fff0f0;color:#d33}