.book-stack{position:relative;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
.notice{padding:17px 16px;background:#c82026;font-size:clamp(17px,5.2vw,28px);font-weight:900;line-height:1.18;letter-spacing:-.025em;text-transform:none}
.notice strong{color:#ffd22e;font-weight:950}
.hero{min-height:auto;padding:30px 0 20px}
.hero h1{margin-bottom:12px}
.hero-copy{margin-bottom:0}
.hero .down-arrows{margin-top:12px;line-height:1}
.reveal{position:relative;overflow:hidden;padding:34px 0;background:radial-gradient(circle at 50% 52%,#fff 0,#fff8e8 31%,#f6f1e8 68%)}
.reveal .eyebrow{margin-bottom:14px;color:#061a58;font-size:clamp(28px,8.5vw,52px);font-weight:950;line-height:1;letter-spacing:-.045em}
.reveal .single-book{position:relative;width:min(76vw,360px);margin:34px auto 38px;transform:perspective(900px) rotateY(-7deg) rotateX(1deg);filter:drop-shadow(0 28px 24px rgba(6,26,88,.28)) drop-shadow(0 8px 6px rgba(236,59,46,.18))}
.reveal .single-book:before{position:absolute;z-index:-1;inset:8% -12% -5%;border-radius:50%;background:radial-gradient(circle,rgba(255,210,46,.7),rgba(255,210,46,0) 68%);content:""}
.reveal .single-book img{border-radius:3px 12px 12px 3px;box-shadow:-9px 3px 0 #cf2f27,-15px 8px 18px rgba(6,26,88,.18)}
.reveal .single-book.product-scene{width:min(100%,760px);margin:18px auto 20px;transform:none;filter:drop-shadow(0 18px 20px rgba(6,26,88,.2))}
.reveal .single-book.product-scene:before{display:none}
.reveal .single-book.product-scene img{border-radius:18px;box-shadow:none}
.book-item{display:flex;min-width:0;flex-direction:column;align-items:center;padding:12px 8px 14px;text-align:center}
.book-item picture{width:min(100%,150px);margin:auto}
.book-item div{margin-top:9px}
.book-item small{font-size:7px;letter-spacing:.08em}
.book-item strong{min-height:30px;margin:5px 0;font-size:13px;line-height:1.15}
.book-item b{font-size:20px}
.plus{position:absolute;z-index:2;top:42%;left:50%;display:grid;width:38px;height:38px;place-items:center;transform:translate(-50%,-50%);border:3px solid #061a58;border-radius:50%;background:#ffd22e;color:#061a58;font-size:29px;line-height:1}
@media(min-width:720px){.book-item{padding:18px}.book-item picture{width:190px}.book-item small{font-size:9px}.book-item strong{min-height:auto;font-size:18px}.book-item b{font-size:25px}}
@media(min-width:720px){.reveal{padding:48px 0}.reveal .single-book.product-scene{margin:22px auto 26px}}
.upsell-testimonials{padding:26px 0 34px;background:#fff}
.upsell-testimonials .eyebrow{text-align:center;font-size:clamp(25px,7vw,42px);letter-spacing:-.035em}
.upsell-proof-grid{display:grid;grid-template-columns:1fr;gap:12px}
.upsell-proof-grid img{display:block;width:100%;height:auto;border-radius:12px;box-shadow:0 8px 20px rgba(8,20,48,.12)}
@media(min-width:720px){.upsell-testimonials{padding:42px 0 50px}.upsell-proof-grid{gap:16px}}