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.rb-eyebrow{margin-bottom:12px}.rb-detail__title{font-family:var(--font-display);letter-spacing:-.03em;margin:0 0 10px;font-size:clamp(1.8rem,2.7vw,2.65rem);font-weight:400;line-height:1.04}.rb-detail__author{color:var(--muted);font-family:var(--font-ui);margin:0 0 20px;font-size:14px}.rb-detail__author span{color:var(--ink)}.rb-detail__price{border-top:1px solid var(--line);flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0;padding-block:18px 0;display:flex}.rb-detail__price-now{color:var(--ink);font-family:var(--font-ui);letter-spacing:-.02em;font-size:29px;font-weight:600;line-height:1.1}.rb-detail__price-old{color:var(--muted);font-family:var(--font-ui);font-size:14px}.rb-detail__save{border-radius:var(--radius-pill);color:#7a4a2b;font-family:var(--font-ui);letter-spacing:.05em;text-transform:uppercase;background:#f4ead8;padding:4px 9px;font-size:10.5px;font-weight:600}.rb-detail__facts{border-bottom:1px solid 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330px;gap:clamp(40px,6vw,72px)}.rb-detail__body--solo{grid-template-columns:minmax(0,560px)}.rb-detail__aside{top:calc(var(--nav-height) + 24px);align-self:start;position:sticky}.rb-detail__body--solo .rb-detail__aside{position:static}.rb-detail__media{margin:0 auto}}@media (max-width:899px){.rb-detail__title{font-size:clamp(1.65rem,5.6vw,2.15rem)}}@media (max-width:480px){.rb-detail{padding-block:0 var(--space-6)}.rb-detail__thumb{width:54px;height:54px}.rb-detail__crumb{font-size:11px}.rb-detail__crumb a{min-height:44px}.rb-detail__price-now{font-size:26px}.rb-detail__section-title{font-size:23px}.rb-detail__card{padding:18px}}@media (min-width:1440px){.rb-feature{gap:clamp(50px,5vw,80px)}.rb-feature__image{padding-block:32px}.rb-feature__photo{max-width:460px}.rb-feature__copy p:not(.rb-eyebrow){max-width:440px}.rb-newsletter form{max-width:560px}.rb-journal__image{height:clamp(180px,13vw,260px)}.rb-home h2{font-size:clamp(27px,2.05vw,32px)}.rb-eyebrow{font-size:13px}.rb-trust b{font-size:13.5px}.rb-trust small{font-size:13px}.rb-detail__hero{grid-template-columns:minmax(0,460px) minmax(0,1fr);gap:clamp(48px,5vw,80px)}.rb-detail__media{max-width:460px}.rb-detail__stage{--cover-max:380px;height:460px}.rb-detail__stage--skeleton{height:460px}.rb-detail__cta-wrap,.rb-detail__promise{max-width:560px}.rb-detail__body:not(.rb-detail__body--solo){grid-template-columns:minmax(0,1fr) 360px}.rb-detail__body--solo{grid-template-columns:minmax(0,720px)}}@media (min-width:1680px){.rb-books{grid-template-columns:repeat(6,1fr)}.rb-home h1{font-size:60px}.rb-popular__item{gap:18px;min-height:138px;padding:16px 18px 16px 20px}.rb-popular__item .rb-cover{width:78px;height:110px;padding:10px 6px;font-size:12px}.rb-popular__item .rb-cover strong{font-size:14px}.rb-popular__item .rb-cover__kicker,.rb-popular__item .rb-cover__author{font-size:7px}.rb-popular__item h3{font-size:16px}.rb-popular__item p,.rb-popular__item b{font-size:13px}.rb-section__head{margin-bottom:28px}.rb-popular__grid{gap:10px}}