:root{--ink:#27321a;--gold:#a88a50;--cream:#f5efe2;--paper:#fbf8ef;--line:#d7cdb9}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:#3b352b;font-family:Georgia,"Times New Roman",serif}
.top{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:rgba(250,247,237,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-size:25px;letter-spacing:5px;color:var(--ink)}.brand span{font-size:12px;letter-spacing:2px;margin-left:12px;color:#8b6e3d}
nav a{margin-left:28px;color:#665b49;text-decoration:none;font-size:12px;letter-spacing:1px}
.hero{min-height:610px;padding:58px 7vw;display:grid;grid-template-columns:1.05fr .9fr 1fr;gap:5vw;align-items:center;background:radial-gradient(circle at 58% 20%,#fff7df 0,#e8d5ad 32%,#cbb887 100%)}
.eyebrow{font-size:14px;letter-spacing:1.5px;margin-bottom:18px;color:#5d533e}.book-row{display:block;width:100%;max-width:330px;text-align:left;border:0;background:transparent;padding:9px 12px;font:18px Georgia;color:#5b5244;border-radius:8px;cursor:pointer}.book-row span{color:#b19b6e}.book-row.active{background:var(--ink);color:white}.more{margin:15px 12px;font-size:15px}
.cover-wrap{display:flex;justify-content:center;transform:translateY(-25px);filter:drop-shadow(0 18px 22px rgba(49,39,20,.28))}.cover-wrap img,.cover-wrap video{width:min(400px,100%);border-radius:2px;display:block}


.book-info h1{font-size:42px;line-height:1.05;letter-spacing:2px;font-weight:500;color:#252617;margin:0 0 18px}.book-info p{font-size:17px;line-height:1.55}.btn{display:block;width:245px;padding:14px 16px;margin:12px 0;border-radius:7px;font:16px Georgia;letter-spacing:1px;cursor:pointer}
.book-info .btn.primary{

  margin-top:24px;

}
.btn.primary{background:var(--ink);color:white;text-decoration:none;text-align:center}.btn.secondary{background:rgba(255,255,255,.35);border:1px solid #8c7d61;color:#413b2f}.btn:disabled{opacity:.95}.book-info small{display:block;margin:-4px 0 12px 8px;color:#8d806d;font-size:12px;font-style:italic}
.reader-shell{margin:18px 2vw;background:var(--paper);border:1px solid #e1d8c6;border-radius:12px;overflow:hidden;display:grid;grid-template-columns:250px 1fr;min-height:680px;box-shadow:0 10px 35px rgba(50,40,20,.09)}
.toc{padding:30px 22px;border-right:1px solid #e1d8c6;background:#f7f1e4}.toc-title{font-size:13px;letter-spacing:1px;margin-bottom:18px}.toc a{display:block;color:#5a5143;text-decoration:none;font-size:12px;line-height:1.5;padding:7px 0}.reader{min-width:0}.reader-bar{height:54px;padding:0 26px;border-bottom:1px solid #e1d8c6;display:flex;align-items:center;justify-content:space-between}.tools button,.reader-footer button{border:0;background:transparent;color:#4d473b;padding:7px;cursor:pointer;font:15px Georgia}.tools{display:flex;gap:5px}
#viewer{height:575px;background:#fffdf7;position:relative;overflow:hidden}.loading{position:absolute;inset:0;display:grid;place-items:center;color:#887d6a}.reader-footer{height:52px;border-top:1px solid #e1d8c6;display:flex;justify-content:center;align-items:center;gap:28px;font-size:12px;color:#746a58}
.reader{min-width:0}
.features{margin:18px 2vw 28px;background:#f8f1e3;border:1px solid #e2d8c5;border-radius:10px;display:grid;grid-template-columns:repeat(4,1fr);padding:26px}.features>div{padding:0 22px;border-right:1px solid #ddd1bc}.features>div:last-child{border:0}.features b{font-size:12px;letter-spacing:.6px}.features p{font-size:12px;line-height:1.45;color:#756b5c}
footer{background:#27321a;color:#eee9db;padding:15px 5vw;font-size:11px;display:flex;justify-content:space-between}
@media(max-width:850px){.hero{grid-template-columns:1fr;gap:25px}.cover-wrap{order:-1}.books{transform:translateY(-8px)}.book-info h1{font-size:34px}.reader-shell{grid-template-columns:1fr}.toc{display:none}.features{grid-template-columns:1fr 1fr;gap:20px}.features>div{border:0}nav{display:none}}
@media(max-width:600px){

  #viewer{

    width:100%;

    height:575px;
      }

}