.ot-book-page{background:#f5f3ed;color:#374036}
.ot-book-hero{padding:110px 0;background:linear-gradient(135deg,#e7e9df,#f8f5ed 55%,#eee4d0)}
.ot-book-hero-grid{display:grid;grid-template-columns:minmax(240px,360px) 1fr;gap:clamp(55px,8vw,120px);align-items:center}
.ot-book-page-cover{margin:0}
.ot-book-page-cover img{display:block;width:100%;height:auto;box-shadow:22px 28px 55px rgba(70,66,48,.22)}
.ot-book-hero-copy h1,.ot-book-page h2{font-family:var(--serif);font-weight:500;color:#596653}
.ot-book-hero-copy h1{font-size:clamp(38px,5vw,66px);line-height:1.45;letter-spacing:.04em;margin:14px 0 20px}
.ot-book-subtitle{font-family:var(--serif);font-size:clamp(19px,2vw,25px)!important;color:#a17e43!important;line-height:1.8!important}
.ot-book-hero-copy>p{max-width:650px;font-size:16px;line-height:2.1;color:#657064}
.ot-book-message,.ot-book-themes,.ot-book-learning,.ot-book-detail,.ot-book-purchase{padding:105px 0}
.ot-book-message{background:#fff}
.ot-book-message-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:9vw}
.ot-book-page h2{font-size:clamp(31px,4vw,49px);line-height:1.55;margin:10px 0}
.ot-book-message p,.ot-book-learning p{font-size:16px;line-height:2.2;color:#657064}
.ot-book-themes{background:#f2f4ee}
.ot-book-section-head{max-width:760px;margin-bottom:48px}
.ot-book-section-head>p{color:#6d7669}
.ot-book-theme-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #cfd5ca;border-left:1px solid #cfd5ca}
.ot-book-theme-list li{display:grid;grid-template-columns:58px 1fr;gap:18px;padding:30px;border-right:1px solid #cfd5ca;border-bottom:1px solid #cfd5ca;background:rgba(255,255,255,.7)}
.ot-book-theme-list span{font-family:var(--serif);font-size:18px;color:#a17e43}
.ot-book-theme-list h3{font-family:var(--serif);font-size:21px;font-weight:500;color:#596653;margin:0 0 8px}
.ot-book-theme-list p{font-size:14px;line-height:1.9;color:#657064;margin:0}
.ot-book-learning{background:#78846f}
.ot-book-learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.35)}
.ot-book-learning article{padding:55px;background:#78846f}
.ot-book-learning .ot-eyebrow{color:#eddbad}
.ot-book-learning h2{color:#fffdf6;font-size:clamp(28px,3vw,40px)}
.ot-book-learning article p{color:#fffdf6}
.ot-book-detail{background:#fff}
.ot-book-detail-grid{display:grid;grid-template-columns:.55fr 1fr;gap:8vw}
.ot-book-detail dl{margin:0;border-top:1px solid #d8dcd2}
.ot-book-detail dl>div{display:grid;grid-template-columns:140px 1fr;padding:17px 0;border-bottom:1px solid #d8dcd2}
.ot-book-detail dt{font-weight:700;color:#65745f}
.ot-book-detail dd{margin:0;color:#4d584e}
.ot-book-purchase{text-align:center;background:#eee9dd}
.ot-book-purchase p{color:#657064;margin-bottom:28px}
@media(max-width:800px){.ot-book-hero{padding:75px 0}
.ot-book-hero-grid,.ot-book-message-grid,.ot-book-learning-grid,.ot-book-detail-grid{grid-template-columns:1fr}
.ot-book-page-cover{width:min(280px,72vw);margin:auto}
.ot-book-hero-copy{text-align:center}
.ot-book-hero-copy .ot-buttons{justify-content:center}
.ot-book-message,.ot-book-themes,.ot-book-learning,.ot-book-detail,.ot-book-purchase{padding:75px 0}
.ot-book-theme-list{grid-template-columns:1fr}
.ot-book-learning article{padding:38px 25px}
.ot-book-detail-grid{gap:25px}
}
@media(max-width:520px){.ot-book-theme-list li{grid-template-columns:42px 1fr;padding:24px 18px}
.ot-book-detail dl>div{grid-template-columns:1fr;gap:5px}
.ot-book-hero-copy h1 br{display:none}
}