:root{--ink:#14202b;--muted:#5b6875;--line:#dde3e8;--bg:#f7f9fa;--accent:#0b6e4f;--accent-ink:#fff;--warn:#8a4b00}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:#fff}
a{color:var(--accent)}header,footer{border-bottom:1px solid var(--line);background:var(--bg)}footer{border-top:1px solid var(--line);border-bottom:0;margin-top:4rem;font-size:.9rem;color:var(--muted)}
.wrap{max-width:860px;margin:0 auto;padding:1rem 1.25rem}nav{display:flex;gap:1.25rem;align-items:center;flex-wrap:wrap}nav .brand{font-weight:700;margin-right:auto;text-decoration:none;color:var(--ink)}
h1{font-size:2.1rem;line-height:1.2;margin:2rem 0 .75rem}h2{margin-top:2.5rem}.lead{font-size:1.15rem;color:var(--muted)}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:.75rem 1.25rem;border-radius:8px;text-decoration:none;font-weight:600;border:0;font-size:1rem;cursor:pointer}
.btn.alt{background:#fff;color:var(--accent);border:2px solid var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.card{border:1px solid var(--line);border-radius:10px;padding:1.25rem}
.price{font-size:2rem;font-weight:700}.note{background:#fff7e6;border-left:4px solid var(--warn);padding:.75rem 1rem;border-radius:4px}
table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid var(--line);padding:.5rem;text-align:left;vertical-align:top}
form label{display:block;font-weight:600;margin-top:1.1rem}form input[type=text],form input[type=email],form input[type=url],form input[type=number],form select,form textarea{width:100%;padding:.6rem;border:1px solid #b9c3cc;border-radius:6px;font:inherit}
form .check{font-weight:400;display:flex;gap:.6rem;align-items:flex-start}form .hint{font-weight:400;color:var(--muted);font-size:.9rem}
#status{margin-top:1rem;font-weight:600}.err{color:#a40000}.ok{color:var(--accent)}
.hp{position:absolute;left:-9999px}.cta{margin:2rem 0;background:var(--bg)}h3{margin-bottom:.25rem}
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin:1.5rem 0}.spec{margin:0}
.spec figcaption{font-size:.9rem;color:var(--muted);margin-top:.5rem}
.bookpage{aspect-ratio:6/9;background:#fffdf8;border:1px solid #d8d2c4;box-shadow:0 2px 8px rgba(0,0,0,.08);padding:12% 11% 9%;font:11px/1.45 Georgia,"Times New Roman",serif;color:#222;position:relative;overflow:hidden}
.bookpage p{margin:0;text-indent:1.4em;text-align:justify;hyphens:auto}.bookpage .chap+p{text-indent:0}
.bookpage .folio{position:absolute;bottom:4%;left:0;right:0;text-align:center;font-size:9px}
.classic .chap{text-align:center;margin:18% 0 10%;font-size:15px;letter-spacing:.08em}.classic .chap+p::first-line{font-variant:small-caps;letter-spacing:.03em}
.contemporary .chap{margin:16% 0 9%;font:600 16px/1.2 system-ui,sans-serif;text-transform:uppercase;letter-spacing:.12em}
.minimal .chap{margin:16% 0 8%;font-size:26px;font-weight:300}.minimal .chap .num{font-size:0}.minimal .chap .num::after{content:"1";font-size:26px}
.minimal{line-height:1.5}