.book-preview{background:linear-gradient(135deg,#1a1a1a,#2d2d2d);color:#fff;padding:80px 0;position:relative;overflow:hidden}.book-preview .section-title{color:#d4af37;text-align:center;margin-bottom:20px;position:relative;z-index:2}.book-preview .section-subtitle{text-align:center;font-size:18px;margin-bottom:60px;color:#e0e0e0;position:relative;z-index:2}.book-demo-container{text-align:center}.book-demo-text h3{color:#d4af37;font-size:24px;margin-bottom:30px;display:flex;align-items:center;gap:10px}.preview-features{list-style:none;margin-bottom:40px}.preview-features li{padding:12px 0;font-size:16px;color:#e0e0e0;border-bottom:1px solid rgba(212,175,55,.2);transition:color .3s ease}.preview-features li:hover{color:#d4af37}.preview-cta{display:flex;flex-direction:column;gap:1rem;align-items:center;background:rgba(212,175,55,.1);padding:20px;border-radius:10px;border-left:4px solid #d4af37;margin-bottom:25px;font-size:16px;line-height:1.6;text-align:center;max-width:60%;margin-left:auto;margin-right:auto}.preview-encouragement strong{color:#d4af37}.cta-preview{background:linear-gradient(135deg,#d4af37,#b8941f);color:#1a1a1a;font-weight:600;padding:15px 30px;border:none;border-radius:8px;font-size:16px;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px;max-width:350px;display:block;margin:0 auto;text-decoration:none}.cta-preview:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(212,175,55,.4)}.book-controls,.book-viewer{margin-bottom:2rem}.book-controls{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:hsla(0,0%,100%,.1);padding:15px 25px;border-radius:25px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.book-control-btn{background:#d4af37;color:#1a1a1a;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;font-weight:600;transition:all .3s ease;font-size:14px}.book-control-btn:hover{background:#b8941f;transform:translateY(-1px)}.book-control-btn:disabled{background:#666;color:#999;cursor:not-allowed;transform:none}.page-info{color:#d4af37;font-weight:600;font-size:16px;min-width:120px;text-align:center}.book-instruction{color:#b0b0b0;font-size:14px;text-align:center;font-style:italic;margin-bottom:2rem}.flipbook-viewport{margin-bottom:4rem}.flipbook-viewport .container{display:flex;justify-content:center}.flipbook-viewport .page{width:100%;height:100%;background-color:#fff;background-repeat:no-repeat;background-size:100% 100%}.flipbook .page{-ms-box-shadow:0 0 20px rgba(0,0,0,.2);-o-box-shadow:0 0 20px rgba(0,0,0,.2);box-shadow:0 0 20px rgba(0,0,0,.2)}.flipbook-viewport .page img{-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;margin:0}.flipbook-viewport .shadow{transition:box-shadow .5s;-o-box-shadow:0 0 20px #ccc;-ms-box-shadow:0 0 20px #ccc;box-shadow:0 0 20px #ccc}.flipbook{height:600px}.premium-page{position:relative}.premium-page:after{content:"";position:absolute;bottom:0;left:0;right:0;height:65%;background:linear-gradient(180deg,hsla(0,0%,100%,0) 0,hsla(0,0%,100%,.2) 10%,hsla(0,0%,100%,.5) 25%,hsla(0,0%,100%,.75) 40%,hsla(0,0%,100%,.9) 55%,hsla(0,0%,100%,.98));pointer-events:none;z-index:1}@media (max-width:968px){.book-demo-container{gap:40px;text-align:center}.book-demo-text h3{font-size:22px}.preview-cta{flex-direction:column;max-width:90%;gap:0}.flipbook{height:500px}}@media (max-width:768px){.book-preview{padding:60px 0}.book-preview .section-title{font-size:28px;margin-bottom:16px}.book-preview .section-subtitle{font-size:16px;margin-bottom:40px;padding:0 20px}.book-demo-text h3{font-size:20px;margin-bottom:25px}.preview-features{margin-bottom:30px}.preview-features li{font-size:15px;padding:10px 0}.preview-encouragement{padding:16px;font-size:15px;margin-bottom:20px}.cta-preview{padding:14px 24px;font-size:15px;max-width:100%}.book-viewer{gap:25px}.book-controls{padding:12px 20px;gap:16px}.book-control-btn{padding:12px 16px;font-size:13px}.page-info{font-size:14px;min-width:100px}.book-instruction{font-size:13px;max-width:90%}.flipbook{height:400px}}@media (max-width:480px){.book-preview{padding:50px 0}.book-preview .container{padding:0 16px}.book-preview .section-title{font-size:24px;line-height:1.3;margin-bottom:12px}.book-preview .section-subtitle{font-size:14px;margin-bottom:30px;padding:0}.book-demo-container{gap:30px}.book-demo-text h3{font-size:18px;margin-bottom:20px;flex-direction:column;gap:5px}.preview-features{margin-bottom:25px}.preview-features li{font-size:14px;padding:8px 0}.preview-cta{display:flex;justify-content:center;padding:14px;font-size:14px;margin:0 auto 18px;border-left-width:3px}.cta-preview{padding:16px 20px;font-size:14px;letter-spacing:.5px}.book-viewer{gap:20px}.book-controls{flex-direction:column;gap:12px;padding:16px;border-radius:15px;width:100%;max-width:320px}.book-control-btn{width:100%;padding:14px 16px;font-size:14px;border-radius:8px;min-height:44px}.page-info{font-size:15px;min-width:auto;padding:8px 0;order:-1}.book-instruction{font-size:12px;line-height:1.4;padding:0;margin:auto auto 1rem}.flipbook{height:250px}}@media (max-width:360px){.book-preview .container{padding:0 12px}.book-preview .section-title{font-size:22px;padding:0}.book-preview .section-subtitle{font-size:13px;padding:0}.book-demo-text h3{font-size:16px}.preview-cta,.preview-features li{font-size:13px}.preview-cta{padding:12px}.cta-preview{font-size:13px;padding:14px 16px}.book-controls{max-width:280px;padding:14px}.book-control-btn{font-size:13px;padding:12px 14px}.page-info{font-size:14px}.book-instruction{font-size:11px;max-width:260px}}