:root{--bg:#f3f0e9;--card:#fff;--ink:#1f2a44;--muted:#5d6679;--line:#e6e2da;--primary:#6a4fb3;--primary-dark:#54398f;--gold:#8a6212;--gold-bg:#fbf3df;--navy:#1f2a44}
*{box-sizing:border-box}
body{margin:0;font-family:"Poppins",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg)}
h1,h2,h3,.buy-label{font-family:"Montserrat","Poppins",system-ui,sans-serif;text-transform:uppercase;letter-spacing:.08em}

.page{max-width:900px;margin:0 auto;padding:0 20px 40px;background:var(--card);border-left:1px solid var(--line);border-right:1px solid var(--line);box-shadow:0 0 24px rgba(31,42,68,.06);min-height:100vh}

.site-header{text-align:center;color:#fff;background:var(--navy);margin:0 -20px 48px;padding:48px 20px 40px;border-bottom:4px solid var(--gold-bg)}
.site-header h1{margin:0;font-size:clamp(1.6rem,6vw,2.6rem);font-weight:700}
.site-header p{margin:12px auto 0;font-size:1rem;font-weight:300;letter-spacing:.04em;opacity:.9}
.site-header p::before{content:"";display:block;width:48px;height:2px;background:var(--gold-bg);margin:0 auto 14px}

.card{background:var(--card);padding:32px 0}

.author{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;max-width:680px;margin:0 auto 16px;padding-top:0}
.author h2{margin:0 0 12px;font-size:1.3rem;font-weight:600;color:var(--primary)}
.author p{margin:0;color:var(--muted);font-size:1.05rem}
.author img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:2px solid var(--line)}

.product{border-top:1px solid var(--line);padding:48px 0;background:transparent}
.product-top{display:flex;gap:40px;align-items:center}
.product-cover{flex:0 0 42%;max-width:42%}
.product-cover img{width:100%;height:auto;display:block;border-radius:4px;box-shadow:0 12px 30px rgba(31,42,68,.25)}
.product-desc{flex:1;min-width:0}
.product-desc h2{margin:0 0 16px;font-size:1.7rem;font-weight:700;color:var(--ink)}
.product-desc p{margin:0;color:var(--muted)}
.reviews{margin-top:24px}
.reviews h3{margin:0 0 12px;font-size:.9rem;font-weight:600;color:var(--primary)}
.review-row{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:8px;-webkit-overflow-scrolling:touch}
.review-row img{height:180px;width:auto;flex:0 0 auto;scroll-snap-align:start;border:1px solid var(--line);border-radius:4px;box-shadow:0 4px 12px rgba(31,42,68,.12);cursor:zoom-in}

.samples h3,.buy h3{margin:32px 0 12px;font-size:1rem;font-weight:600;color:var(--primary);text-align:center}
.sample-row{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;justify-content:center}
.sample-row img{height:140px;border:1px solid var(--line);border-radius:4px;cursor:zoom-in;flex:0 0 auto;transition:box-shadow .15s}
.sample-row img:hover{box-shadow:0 6px 16px rgba(31,42,68,.2)}

.buy{text-align:center}
.buy-group{margin-bottom:16px}
.buy-label{font-size:.75rem;font-weight:600;color:var(--muted);margin-bottom:8px}
.buy-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.buy-links a{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:4px;background:var(--primary);color:#fff;text-decoration:none;font-size:.85rem;font-weight:600;letter-spacing:.05em;border:1px solid var(--primary);transition:background .15s,color .15s}
.buy-links a:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.buy-links a.kindle{background:transparent;color:var(--primary)}
.buy-links a.kindle:hover{background:var(--primary);color:#fff}
.buy-links a:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.buy-links img{width:20px;height:14px;object-fit:cover;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.15)}

.site-footer{text-align:center;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);margin-top:24px;padding-top:16px}

.lightbox{position:fixed;inset:0;background:rgba(20,24,40,.88);display:flex;align-items:center;justify-content:center;z-index:10;padding:16px}
.lightbox[hidden]{display:none}
.lightbox img{max-width:100%;max-height:100%;border-radius:4px}

@media(max-width:640px){
.product-top{flex-direction:column;gap:24px}
.product-cover{flex-basis:auto;max-width:70%}
.product-desc{text-align:center}
.site-header{padding:36px 20px 32px;margin-bottom:32px}
.sample-row{justify-content:flex-start}
}