:root{--bg:#fffdf5;--bg-alt:#f5f0e6;--text:#1a1a1a;--text-muted:#5c554a;--text-subtle:#8a8278;--heading:#0057b8;--card-bg:#fffef9;--card-border:#e5ddd0;--card-border-featured:#f90;--card-shadow:#0000001f;--card-shadow-featured:#ff990029;--nav-bg:#fffdf5;--nav-border:#ebe3d5;--nav-link:#5c554a;--hero-stripe:#0057b8;--cta-mid-bg:#0057b8;--cta-final-bg:#1a1a1a;--cta-final-text:#fff;--input-bg:#fffef9;--input-border:#ddd5c8;--review-bg:#fffef8;--review-border:#e5ddd0;--review-highlight-border:#f90;--footer-muted:#8a8278;--footer-subtle:#6b6258;--cover-shadow:#00000026;--cover-placeholder-bg:linear-gradient(135deg, #0057b8 0%, #003d80 100%);--shelf-board:linear-gradient(180deg, #b08a5a 0%, #8a6540 100%);--transition-speed:.3s}[data-theme=dark]{--bg:#1c1916;--bg-alt:#242019;--text:#ebe6dd;--text-muted:#a89e90;--text-subtle:#7a7166;--heading:#5bb4ff;--card-bg:#28231b;--card-border:#3d352a;--card-border-featured:#f90;--card-shadow:#00000080;--card-shadow-featured:#ff990040;--nav-bg:#1c1916;--nav-border:#2e2820;--nav-link:#a89e90;--hero-stripe:#5bb4ff;--cta-mid-bg:#0a2d5c;--cta-final-bg:#0e0c09;--cta-final-text:#ebe6dd;--input-bg:#28231b;--input-border:#3d352a;--review-bg:#28231b;--review-border:#3d352a;--review-highlight-border:#f90;--footer-muted:#5c554a;--footer-subtle:#403a32;--cover-shadow:#0000008c;--cover-placeholder-bg:linear-gradient(135deg, #1c3358 0%, #132240 100%)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:70px;font-size:16px}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;transition:background var(--transition-speed) ease, color var(--transition-speed) ease;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}body:before{content:"";pointer-events:none;z-index:0;opacity:.022;background-image:repeating-linear-gradient(0deg,#0000,#0000 2px,#8b775a26 2px 3px),repeating-linear-gradient(90deg,#0000,#0000 2px,#8b775a1a 2px 3px);position:fixed;inset:0}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}.inline-link{color:var(--heading);text-underline-offset:2px;text-decoration:underline;transition:color .15s,text-underline-offset .15s}.inline-link:hover{color:#f90;text-underline-offset:4px}.container{max-width:1100px;margin:0 auto;padding:0 20px}.section-divider{background:linear-gradient(90deg, transparent, var(--card-border), transparent);border:none;max-width:120px;height:2px;margin:0 auto}section{padding:60px 0;position:relative}section+section:before{content:"";background:linear-gradient(90deg, transparent, var(--card-border), transparent);width:80px;height:2px;margin:0 auto;display:block;position:absolute;top:0;left:50%;transform:translate(-50%)}@media (width>=768px){section{padding:80px 0}}.section-header{color:var(--heading);text-align:center;letter-spacing:-.01em;margin-bottom:8px;font-family:Georgia,Times New Roman,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:1.75rem;font-weight:800}.section-subhead{text-align:center;color:var(--text-muted);margin-bottom:40px;font-size:1.05rem}@media (width>=768px){.section-header{font-size:2.2rem}.section-subhead{font-size:1.15rem}}.site-nav{background:var(--nav-bg);border-bottom:1px solid var(--nav-border);text-align:center;z-index:100;transition:background var(--transition-speed) ease, border-color var(--transition-speed) ease;padding:12px 0;position:sticky;top:0}.site-nav .container{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.site-nav a{color:var(--nav-link);border-radius:6px;padding:6px 14px;font-size:.85rem;font-weight:600;transition:background .15s,color .15s;display:inline-block}.site-nav a:hover,.site-nav a.active{color:#fff;background:#0057b8;box-shadow:0 0 12px #0057b84d}[data-theme=dark] .site-nav a:hover,[data-theme=dark] .site-nav a.active{box-shadow:0 0 14px #5bb4ff59}@media (width>=500px){.site-nav .container{gap:4px}.site-nav a{padding:8px 16px;font-size:.9rem}}.theme-toggle{border:1px solid var(--nav-border);cursor:pointer;width:36px;height:36px;color:var(--nav-link);background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:8px;padding:0;transition:border-color .3s,box-shadow .3s,transform .3s,color .3s;display:flex;position:relative}.theme-toggle:hover{border-color:var(--heading);color:var(--heading);transform:rotate(-12deg);box-shadow:0 0 12px #0057b840}.theme-toggle svg{width:18px;height:18px;transition:opacity .35s,transform .5s;position:absolute}.theme-toggle .icon-sun{opacity:1;transform:scale(1)rotate(0)}.theme-toggle .icon-moon{opacity:0;transform:scale(.5)rotate(-90deg)}[data-theme=dark] .theme-toggle .icon-sun{opacity:0;transform:scale(.5)rotate(90deg)}[data-theme=dark] .theme-toggle .icon-moon{opacity:1;transform:scale(1)rotate(0)}[data-theme=dark] .theme-toggle:hover{box-shadow:0 0 14px #5bb4ff66}.btn{text-align:center;cursor:pointer;border:none;border-radius:8px;padding:14px 36px;font-size:1.1rem;font-weight:700;transition:background .15s,transform .15s,box-shadow .15s;display:inline-block}.btn-amazon{color:#000;background:#f90;padding:16px 44px;font-size:1.2rem;box-shadow:0 2px 6px #0000001f}.btn-amazon:hover{background:#e68a00;transform:translateY(-2px);box-shadow:0 6px 20px #ff990059}.btn-amazon-lg{padding:18px 56px;font-size:1.35rem}.btn-email{color:#000;background:#39ff14;padding:14px 36px;font-size:1.15rem}.btn-email:hover{background:#2de00a;transform:translateY(-2px);box-shadow:0 6px 20px #39ff1459}.btn-full{width:100%}.btn-small{padding:10px 20px;font-size:.9rem}.badge{text-transform:uppercase;letter-spacing:.5px;border-radius:4px;padding:4px 10px;font-size:.75rem;font-weight:700;display:inline-block}.badge-available{color:#000;background:#39ff14}.badge-coming{color:#fff;background:#0057b8}.badge-preorder{color:#000;background:#f90}[data-theme=dark] .badge-coming{background:#5bb4ff}.stars{color:#ffa41c;letter-spacing:1px;font-size:1rem}.rating-count{color:var(--text-muted);margin-left:4px;font-size:.85rem}.hero{background:var(--bg);text-align:center;transition:background var(--transition-speed) ease;padding:40px 0 50px;position:relative}.hero:before{content:"";background:var(--hero-stripe);height:4px;transition:background var(--transition-speed) ease;position:absolute;top:0;left:0;right:0}.hero-logo{color:var(--heading);text-transform:uppercase;letter-spacing:2px;margin-bottom:24px;font-size:1rem;font-weight:700}.hero h1{color:var(--text);margin-bottom:12px;font-size:1.8rem;font-weight:800;line-height:1.2}.hero-subhead{color:var(--text-muted);max-width:540px;margin-bottom:28px;margin-left:auto;margin-right:auto;font-size:1.05rem}.hero-micro{color:var(--text-subtle);margin-top:10px;font-size:.85rem}@media (width>=768px){.hero{padding:60px 0 70px}.hero h1{font-size:2.5rem}.hero-subhead{font-size:1.2rem}}.shelf-nav{background:var(--bg-alt);border-bottom:1px solid var(--nav-border);z-index:90;transition:background var(--transition-speed) ease;padding:8px 0;position:sticky;top:53px}.shelf-nav .container{flex-wrap:wrap;justify-content:center;gap:4px;display:flex}.shelf-nav a{color:var(--text-muted);border-radius:5px;padding:4px 10px;font-size:.78rem;font-weight:600;transition:color .15s,background .15s;display:inline-block}.shelf-nav a:hover{color:var(--heading);background:var(--card-bg)}.shelf{background:var(--bg);transition:background var(--transition-speed) ease}.shelf-head{text-align:center;margin-bottom:28px}.shelf-title{color:var(--heading);letter-spacing:-.01em;font-family:Georgia,Times New Roman,serif;font-size:1.5rem;font-weight:800}.shelf-tagline{color:var(--text-muted);margin-top:2px;font-size:.95rem}.shelf-board{padding-bottom:14px;position:relative}.shelf-board:after{content:"";background:var(--shelf-board);opacity:.8;border-radius:4px;height:8px;position:absolute;bottom:0;left:2%;right:2%;box-shadow:0 2px 6px #00000040}.books-grid{flex-wrap:wrap;justify-content:center;gap:28px;max-width:900px;margin:0 auto;display:flex}.book-card{background:var(--card-bg);border:1px solid var(--card-border);text-align:center;max-width:280px;transition:box-shadow .15s ease, background var(--transition-speed) ease, border-color var(--transition-speed) ease, transform .15s ease;border-left:3px solid #0000;border-radius:12px;flex-direction:column;flex:260px;align-items:center;padding:20px;display:flex}.book-card:hover{box-shadow:0 6px 24px var(--card-shadow), 0 0 28px #0057b82e;border-color:var(--heading);border-left-color:#0057b8;transform:rotate(-.4deg)translateY(-3px)}[data-theme=dark] .book-card:hover{border-left-color:#5bb4ff}.book-card-featured{border:2px solid var(--card-border-featured);box-shadow:0 2px 12px var(--card-shadow-featured)}.book-cover-link{margin-bottom:12px;display:block}.book-cover-link img{box-shadow:0 2px 8px var(--cover-shadow);border-radius:4px;max-width:200px;margin:0 auto}.book-card-featured .book-cover-link img{max-width:240px}.book-title{color:var(--text);margin-bottom:4px;font-size:.95rem;font-weight:700}.book-card-featured .book-title{font-size:1.1rem}.book-subtitle{color:var(--text-muted);margin-bottom:8px;font-size:.82rem}.book-description{color:var(--text-muted);max-width:260px;margin-bottom:10px;margin-left:auto;margin-right:auto;font-size:.85rem;line-height:1.5}.book-rating{margin-bottom:10px}.book-date{color:var(--text-subtle);margin-bottom:10px;font-size:.75rem}.book-card .btn{margin-top:auto}.cover-placeholder{background:var(--cover-placeholder-bg);color:#fff;text-align:center;width:200px;height:300px;box-shadow:0 2px 8px var(--cover-shadow);border-radius:4px;flex-direction:column;justify-content:center;align-items:center;margin:0 auto;padding:20px;display:flex}.cover-placeholder .ph-series{text-transform:uppercase;letter-spacing:1.5px;opacity:.85;margin-bottom:8px;font-size:.65rem}.cover-placeholder .ph-title{margin-bottom:4px;font-size:1rem;font-weight:700}.cover-placeholder .ph-subtitle{opacity:.85;font-size:.7rem}.bestseller-section{background:var(--bg);text-align:center;transition:background var(--transition-speed) ease}.bestseller-grid{grid-template-columns:1fr;gap:24px;max-width:900px;margin:32px auto 0;display:grid}@media (width>=700px){.bestseller-grid{grid-template-columns:1fr 1fr}}.bestseller-item{background:var(--card-bg);border:1px solid var(--card-border);transition:box-shadow .2s ease, background var(--transition-speed) ease, border-color var(--transition-speed) ease, transform .2s ease;border-radius:12px;padding:16px}.bestseller-item:hover{box-shadow:0 4px 20px var(--card-shadow), 0 0 22px #39ff142e;border-color:#39ff14;transform:translateY(-2px)}.bestseller-item img{aspect-ratio:9/4;object-fit:cover;object-position:top center;width:100%;height:auto;box-shadow:0 2px 10px var(--cover-shadow);border-radius:6px}.bestseller-caption{color:var(--text-muted);margin-top:10px;font-size:.85rem;font-weight:600}.social-proof{background:var(--bg-alt);transition:background var(--transition-speed) ease}.reviews-grid{grid-template-columns:1fr;gap:20px;max-width:800px;margin:0 auto;display:grid}@media (width>=700px){.reviews-grid{grid-template-columns:1fr 1fr 1fr}}.review-card{background:var(--review-bg);text-align:center;border:1px solid var(--review-border);transition:box-shadow .2s ease, border-color .2s ease, transform .2s ease, background var(--transition-speed) ease;border-radius:10px;padding:24px 20px}.review-card:hover{box-shadow:0 4px 20px var(--card-shadow), 0 0 24px #ff99002e;border-color:#f90;transform:translateY(-3px)}.review-card .stars{margin-bottom:8px}.review-card blockquote{color:var(--text);margin-bottom:8px;padding-top:18px;font-size:.95rem;font-style:italic;position:relative}.review-card blockquote:before{content:"“";color:var(--heading);opacity:.35;font-family:Georgia,Times New Roman,serif;font-size:2.8rem;line-height:1;position:absolute;top:-10px;left:50%;transform:translate(-50%)}.review-card .attribution{color:var(--text-subtle);font-size:.8rem}.benefits{background:var(--bg);transition:background var(--transition-speed) ease}.benefits-list{max-width:600px;margin:0 auto;list-style:none}.benefits-list li{color:var(--text);align-items:flex-start;gap:10px;padding:10px 0;font-size:1.05rem;display:flex}.benefits-list li:before{content:"✔";color:#39ff14;flex-shrink:0;font-size:1.1rem;font-weight:700}@media (width>=768px){.benefits-list li{font-size:1.1rem}}.cta-mid{background:var(--cta-mid-bg);text-align:center;color:#fff;transition:background var(--transition-speed) ease;padding:40px 0}.cta-mid .btn-amazon{box-shadow:0 4px 14px #00000040}.about{background:var(--bg-alt);transition:background var(--transition-speed) ease}.about-content{text-align:center;max-width:650px;margin:0 auto}.about-content p{color:var(--text);margin-bottom:18px;font-size:1rem;line-height:1.75}.about-content p:last-child{margin-bottom:0}@media (width>=768px){.about-content p{font-size:1.1rem}}.email-signup{background:var(--bg);text-align:center;transition:background var(--transition-speed) ease}.email-intro{max-width:520px;color:var(--text-muted);margin:0 auto 24px;font-size:1rem}.email-form{max-width:440px;margin:0 auto}.hp-field{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}.email-form input[type=email]{border:2px solid var(--input-border);background:var(--input-bg);width:100%;color:var(--text);transition:border-color .15s ease, background var(--transition-speed) ease, color var(--transition-speed) ease;border-radius:8px;margin-bottom:12px;padding:14px 16px;font-size:1rem}.email-form input[type=email]:focus{border-color:#39ff14;outline:none}.email-form-message{min-height:24px;margin-top:12px;font-weight:600}.email-form-message.success{color:var(--heading)}.cta-final{background:var(--cta-final-bg);text-align:center;color:var(--cta-final-text);transition:background var(--transition-speed) ease, color var(--transition-speed) ease;padding:60px 0 40px}.cta-final h2{color:var(--cta-final-text);margin-bottom:20px;font-size:1.5rem;font-weight:800}.cta-final .btn-amazon{box-shadow:0 4px 16px #ff99004d}.footer-disclaimer{color:var(--footer-muted);margin-top:32px;font-size:.75rem}.footer-copyright{color:var(--footer-subtle);margin-top:4px;font-size:.75rem}.page-intro{text-align:center;max-width:600px;color:var(--text-muted);margin:0 auto 40px;font-size:1.05rem}.text-center{text-align:center}.mt-20{margin-top:20px}.mt-40{margin-top:40px}.book-detail{background:var(--bg);transition:background var(--transition-speed) ease;padding:60px 0}.book-detail-grid{grid-template-columns:1fr;align-items:start;gap:32px;display:grid}@media (width>=768px){.book-detail-grid{grid-template-columns:300px 1fr;gap:48px}}.book-detail-cover img{box-shadow:0 4px 18px var(--cover-shadow);border-radius:8px;max-width:300px;margin:0 auto}.book-detail-info h1{color:var(--text);margin-bottom:8px;font-size:1.9rem;font-weight:800;line-height:1.2}.book-detail-info .book-subtitle{color:var(--heading);margin-bottom:16px;font-size:1.1rem}.book-detail-meta{margin-bottom:20px}.book-detail-description{color:var(--text);margin-bottom:24px;font-size:1.05rem;line-height:1.75}.book-detail-description p{margin-bottom:16px}.book-detail-cta{margin-bottom:24px}.book-detail-formats{color:var(--text-muted);margin-top:12px;font-size:.9rem}.book-detail-formats .inline-link{margin:0 4px}.book-detail-qr{border-top:1px solid var(--card-border);color:var(--text-muted);margin-top:24px;padding-top:24px;font-size:.9rem}.book-detail-qr img{border-radius:8px;width:120px;height:120px}