.education-shell{--navy:#0f1f3d;--navy-light:#1a3460;--navy-mid:#2a4a7f;--gold:#c9a84c;--gold-light:#e8c97a;--gold-pale:#fdf6e3;--sage:#4a7c6f;--sage-light:#6aab9a;--sage-pale:#eef6f4;--slate:#4a5568;--slate-light:#718096;--slate-pale:#f7f8fa;--white:#fff;--off-white:#fafaf8;--border:#e2e8f0;--border-dark:#cbd5e0;--danger:#c53030;--danger-pale:#fff5f5;--text-primary:#1a202c;--text-secondary:#4a5568;--text-muted:#718096;--radius:12px;--radius-sm:8px;--radius-lg:20px;--shadow:0 4px 20px #0f1f3d14;--shadow-lg:0 8px 40px #0f1f3d24;--font-display:var(--font-playfair),"Playfair Display",Georgia,serif;--font-body:var(--font-dm-sans),"DM Sans",system-ui,sans-serif;background:var(--off-white);color:var(--text-primary);font-family:var(--font-body)}.education-shell .app{max-width:960px;margin:0 auto;padding:0 0 80px}.education-shell .nav{background:var(--navy);z-index:100;justify-content:space-between;align-items:center;padding:16px 28px;display:flex;position:sticky;top:0;box-shadow:0 2px 20px #0003}.education-shell .nav-logo{background:var(--gold);width:36px;height:36px;font-family:var(--font-display);color:var(--navy);border-radius:50%;justify-content:center;align-items:center;font-size:16px;font-weight:600;display:flex}.education-shell .disclaimer{background:var(--navy-light);border-left:4px solid var(--gold);border-radius:0 var(--radius-sm)var(--radius-sm)0;margin:20px 28px 0;padding:14px 18px}.education-shell .disclaimer p{color:#ffffffbf;font-size:12px;line-height:1.5}.education-shell .disclaimer strong{color:var(--gold);font-weight:500}.education-shell .hero{text-align:center;border-radius:var(--radius);background:linear-gradient(#0f1f3d0a 0%,#0000 100%);padding:48px 20px 40px}.education-shell .hero-badge{background:var(--gold-pale);border:1px solid var(--gold-light);color:var(--navy);text-transform:uppercase;letter-spacing:.6px;border-radius:40px;align-items:center;gap:6px;margin-bottom:20px;padding:5px 14px;font-size:11px;font-weight:500;display:inline-flex}.education-shell .section-title,.education-shell .lesson-title,.education-shell .education-title{font-family:var(--font-display);color:var(--navy)}.education-shell .section-title{margin-bottom:8px;font-size:26px}.education-shell .section-sub{color:var(--text-secondary);margin-bottom:24px;font-size:14px;line-height:1.6}.education-shell .card-surface{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.education-shell .card-hover{transition:all .2s}.education-shell .card-hover:hover{border-color:var(--gold);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.education-shell .module-header{background:linear-gradient(135deg,var(--navy)0%,var(--navy-mid)100%);color:var(--white);border-radius:var(--radius)var(--radius)0 0}.education-shell .meta-chip{text-transform:uppercase;letter-spacing:.4px;color:#ffffffe6;background:#ffffff26;border:1px solid #ffffff3d;border-radius:40px;padding:3px 10px;font-size:10px;font-weight:500}.education-shell .c-foundation{color:#2d6a4f;background:#e6f6ed;border:none}.education-shell .c-intermediate{color:#8a5f00;background:#fff4de;border:none}.education-shell .c-advanced{color:#9b1c1c;background:#fde8e8;border:none}.education-shell .lesson-content{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:36px}.education-shell .lesson-content h3{font-family:var(--font-display);color:var(--navy);border-bottom:2px solid var(--gold-pale);margin:28px 0 14px;padding-bottom:10px;font-size:20px}.education-shell .lesson-content h3:first-child{margin-top:0}.education-shell .lesson-content p{color:var(--text-secondary);margin-bottom:14px;line-height:1.75}.education-shell .lesson-content ul{color:var(--text-secondary);margin-bottom:16px;padding-left:22px}.education-shell .lesson-content ul li{margin-bottom:8px;line-height:1.65}.education-shell .lesson-content table{border-collapse:collapse;width:100%;margin:16px 0;font-size:13px}.education-shell .lesson-content table th{background:var(--navy);color:var(--white);text-align:left;padding:10px 14px;font-size:12px;font-weight:500}.education-shell .lesson-content table td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:10px 14px}.education-shell .lesson-content table tr:nth-child(2n) td{background:var(--slate-pale)}.education-prose-content h1{font-family:var(--font-display);color:var(--navy);margin:0 0 1rem;font-size:1.75rem;font-weight:600;line-height:1.25}.education-prose-content h2{font-family:var(--font-display);color:var(--navy);border-bottom:2px solid var(--gold-pale);margin:2rem 0 .75rem;padding-bottom:.5rem;font-size:1.35rem;font-weight:600;line-height:1.3}.education-prose-content h3{font-family:var(--font-display);color:var(--navy);margin:1.5rem 0 .5rem;font-size:1.1rem;font-weight:600;line-height:1.3}.education-prose-content h4{color:var(--navy);margin:1.25rem 0 .5rem;font-size:1rem;font-weight:600}.education-prose-content p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.75}.education-prose-content ul,.education-prose-content ol{color:var(--text-secondary);margin-bottom:1rem;padding-left:1.5rem}.education-prose-content li{margin-bottom:.4rem;line-height:1.65}.education-prose-content strong{color:var(--text-primary);font-weight:600}.education-prose-content a{color:var(--navy-light);font-weight:500;text-decoration:none}.education-prose-content a:hover{text-decoration:underline}.education-prose-content blockquote{border-left:4px solid var(--gold);background:var(--gold-pale);border-radius:0 var(--radius-sm)var(--radius-sm)0;margin:1.25rem 0;padding:.75rem 1rem;font-style:normal}.education-prose-content blockquote p{color:#7a5a00;margin:0;font-size:.875rem}.education-prose-content table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.875rem}.education-prose-content thead{background:var(--navy)}.education-prose-content th{color:#fff;text-align:left;border:1px solid var(--navy-mid);padding:.625rem .875rem;font-size:.75rem;font-weight:500}.education-prose-content td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:.625rem .875rem}.education-prose-content tr:nth-child(2n) td{background:var(--slate-pale)}.education-prose-content tr:last-child td{border-bottom:none}.education-prose-content hr{border:none;border-top:1px solid var(--border);margin:1.5rem 0}.education-prose-content code{color:#334155;background:#f1f5f9;border-radius:4px;padding:.125rem .375rem;font-size:.875em}.education-prose-content pre{color:#e2e8f0;border-radius:var(--radius-sm);background:#1e293b;margin:1rem 0;padding:1rem;overflow-x:auto}