.book-selector{margin-bottom:4rem}.section-header{text-align:center;margin-bottom:2rem}.section-header h2{color:#1e293b;letter-spacing:-.5px;margin:0 0 .5rem;font-size:2.25rem;font-weight:700}.subtitle{color:#64748b;margin:0;font-size:1.1rem;font-weight:400}.book-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.5rem;display:grid}.book-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:1.75rem 1.5rem;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 4px 12px #0000000d}.book-card:before{content:"";background:linear-gradient(90deg,#667eea 0%,#764ba2 100%);height:4px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.book-card:hover:before{transform:scaleX(1)}.book-card:hover{background:#fff;transform:translateY(-8px);box-shadow:0 12px 40px #0003}.book-card h3{color:#1a202c;margin:0 0 .75rem;font-size:1.25rem;font-weight:600;transition:color .3s}.book-card:hover h3{color:#667eea}.chapter-count{color:#718096;font-size:.9rem;font-weight:500}@media (max-width:768px){.book-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}.section-header h2{font-size:2rem}.book-card{padding:1.5rem 1rem}}
.home-page{max-width:1200px;margin:0 auto;padding:3rem 2rem}.home-header{text-align:center;margin-bottom:4rem;animation:.8s ease-out fadeInDown}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.home-header h1{color:#1e293b;letter-spacing:-.5px;margin:0 0 1rem;font-size:3rem;font-weight:800}.description{color:#475569;max-width:700px;margin:0 auto 2rem;font-size:1.25rem;font-weight:400;line-height:1.8}.disclaimer{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;max-width:650px;margin:0 auto;padding:2rem;box-shadow:0 4px 12px #0000000d}.disclaimer p{color:#334155;margin:.75rem 0;font-size:1rem;line-height:1.6}.disclaimer strong{color:#1e293b;font-weight:600}.note{border-top:1px solid #e2e8f0;padding-top:1rem;font-style:italic;color:#64748b!important;margin-top:1.5rem!important;font-size:.95rem!important}.book-sections{margin-top:3rem;animation:.8s ease-out .2s both fadeInUp}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.home-page{padding:2rem 1rem}.home-header h1{font-size:2.5rem}.description{font-size:1.1rem}.disclaimer{padding:1.5rem}}