:root{--navy:#09274e;--navy-dark:#051a35;--pink:#ed0064;--pink-dark:#be0050;--ink:#12233d;--muted:#59677a;--line:#dce3eb;--soft:#f3f6f9;--white:#fff;--green:#07834c;--radius:18px;--shadow:0 18px 50px rgba(8,32,64,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit}
.brandbar{min-height:78px;padding:15px max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid rgba(255,255,255,.12);background:var(--navy-dark);color:#fff}
.brand{text-decoration:none;display:inline-flex;flex-direction:column;line-height:1}
.brand__name{font-size:20px;font-weight:950;letter-spacing:-.04em}.brand__name span{color:var(--pink)}
.brand__claim{margin-top:5px;font-size:7px;font-weight:850;letter-spacing:.2em}
.brandbar__label{color:#c9d5e5;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
main{width:min(1180px,calc(100% - 48px));margin:0 auto}
.crumbs{display:flex;gap:10px;align-items:center;padding:24px 0;color:#758195;font-size:13px}.crumbs a{color:var(--navy);font-weight:800;text-decoration:none}
.product{position:relative;display:grid;grid-template-columns:minmax(300px,.78fr) minmax(0,1.22fr);gap:clamp(44px,7vw,90px);align-items:center;padding:clamp(34px,5vw,66px);overflow:hidden;border-radius:24px;background:radial-gradient(circle at 8% 10%,rgba(237,0,100,.28),transparent 33%),linear-gradient(135deg,var(--navy-dark),#0d376c 64%,#47052a);color:#fff;box-shadow:var(--shadow)}
.product:after{position:absolute;right:-100px;bottom:-180px;width:420px;height:420px;border:1px solid rgba(255,255,255,.11);border-radius:50%;content:""}
.product__visual{position:relative;z-index:1;margin:0;text-align:center}.product__visual img{position:relative;display:block;width:min(290px,88%);margin:auto;border-radius:4px;filter:drop-shadow(20px 28px 20px rgba(0,0,0,.55));transform:rotate(-1.5deg)}
.book-glow{position:absolute;inset:15% 5%;border-radius:50%;background:rgba(237,0,100,.2);filter:blur(35px)}
.product__content{position:relative;z-index:1}.eyebrow{margin:0 0 10px;color:var(--pink);font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.product .eyebrow{color:#ff78ae}
h1,h2,h3,p{margin-top:0}h1{max-width:700px;margin-bottom:16px;font-size:clamp(44px,6.5vw,76px);font-weight:900;letter-spacing:-.055em;line-height:.96}.subtitle{max-width:680px;margin-bottom:18px;font-size:clamp(20px,2.5vw,27px);font-weight:780;line-height:1.3}.intro{max-width:720px;color:#d9e3ef;font-size:16px}
.highlights{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0;padding:0;list-style:none}.highlights li{padding:8px 11px;border:1px solid rgba(255,255,255,.17);border-radius:999px;background:rgba(255,255,255,.08);font-size:12px;font-weight:750}
.buybox{display:grid;grid-template-columns:auto minmax(220px,1fr);gap:12px 24px;align-items:center;padding:22px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.1);backdrop-filter:blur(8px)}.buybox p{margin-bottom:0}.buybox__label{color:#cbd7e5;font-size:11px;font-weight:850;text-transform:uppercase}.price{font-size:30px;font-weight:900;line-height:1.1}.availability{margin-top:6px!important;color:#d8f8e8;font-size:12px;font-weight:750}.availability span{display:inline-block;width:8px;height:8px;margin-right:5px;border-radius:50%;background:#39da8e}.price-note{grid-column:1/-1;color:#b9c7d8;font-size:10px}
.button{display:inline-flex;gap:24px;align-items:center;justify-content:space-between;padding:15px 18px;border-radius:9px;background:var(--pink);color:#fff;text-decoration:none;font-size:14px;font-weight:900;box-shadow:0 10px 25px rgba(0,0,0,.22);transition:transform .18s ease,background .18s ease}.button:hover,.button:focus{background:var(--pink-dark);transform:translateY(-2px)}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 0}.benefits article,.story,.topics,.details,.authors,.faq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 30px rgba(8,32,64,.06)}.benefits article{padding:27px}.benefits h2{margin-bottom:9px;font-size:23px;line-height:1.15}.benefits p:last-child{margin-bottom:0;color:var(--muted);font-size:14px}.card-icon{margin-bottom:18px;color:var(--pink);font-size:13px;font-weight:950;letter-spacing:.12em}
.section-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(350px,.9fr);gap:clamp(34px,6vw,70px);align-items:center}.story,.topics,.details,.authors,.faq{margin-top:24px;padding:clamp(30px,5vw,58px)}h2{margin-bottom:20px;color:var(--ink);font-size:clamp(32px,4.2vw,50px);font-weight:900;letter-spacing:-.045em;line-height:1.05}.story p,.details>div>p{color:var(--muted)}.strongline{color:var(--ink)!important;font-weight:850}.story figure{margin:0}.story img{display:block;border-radius:12px;box-shadow:0 15px 35px rgba(8,32,64,.16)}
.topics{background:var(--soft)}.topics ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:28px 0 0;padding:0;list-style:none}.topics li{position:relative;padding:13px 14px 13px 43px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:14px;font-weight:750}.topics li:before{position:absolute;left:15px;color:var(--pink);content:"✓";font-weight:950}
.details{align-items:start}.details dl{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}.details dl div{display:grid;grid-template-columns:145px 1fr;border-bottom:1px solid var(--line)}.details dl div:last-child{border-bottom:0}.details dt,.details dd{margin:0;padding:12px 14px;font-size:13px}.details dt{background:var(--soft);font-weight:850}.details dd{overflow-wrap:anywhere;color:#445269}
.authors__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.authors article{padding:28px;border-radius:13px;background:var(--navy);color:#fff}.authors h3{margin-bottom:10px;font-size:26px}.authors article p{margin-bottom:0;color:#d9e4f0;font-size:14px}
.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{padding:18px 3px;cursor:pointer;color:var(--navy);font-weight:850}.faq details p{max-width:850px;padding:0 3px 18px;margin-bottom:0;color:var(--muted);font-size:14px}
.final-cta{display:flex;align-items:center;justify-content:space-between;gap:35px;margin:24px 0 50px;padding:clamp(30px,5vw,55px);border-radius:var(--radius);background:linear-gradient(125deg,var(--navy-dark),var(--navy) 55%,#6b073c);color:#fff}.final-cta h2{max-width:700px;margin-bottom:0;color:#fff}.final-cta__buy{text-align:right}.final-cta__buy p{margin-bottom:12px}.final-cta__buy strong{font-size:25px}.button--light{background:#fff;color:var(--navy)}.button--light:hover,.button--light:focus{background:#f2f4f7}
footer{display:flex;justify-content:space-between;gap:30px;padding:28px max(24px,calc((100vw - 1180px)/2));border-top:1px solid var(--line);background:var(--soft);color:var(--muted);font-size:12px}footer p{margin:0}footer a{color:var(--navy);font-weight:800}footer nav{display:flex;gap:20px}
@media(max-width:850px){.product{grid-template-columns:1fr;padding:38px 26px}.product__visual{order:2}.product__visual img{width:min(220px,70%)}.benefits{grid-template-columns:1fr}.section-grid{grid-template-columns:1fr}.authors__grid{grid-template-columns:1fr}.final-cta{align-items:flex-start;flex-direction:column}.final-cta__buy{text-align:left}.brandbar__label{display:none}}
@media(max-width:560px){body{font-size:16px}main{width:min(100% - 24px,1180px)}.brandbar{min-height:68px}.crumbs{padding:16px 0}.product{border-radius:16px}h1{font-size:43px}.buybox{grid-template-columns:1fr}.buybox .button{width:100%}.topics ul{grid-template-columns:1fr}.details dl div{grid-template-columns:1fr}.details dt{padding-bottom:4px}.details dd{padding-top:4px}.story,.topics,.details,.authors,.faq{padding:27px 20px}.final-cta{margin-bottom:24px;padding:30px 22px}footer{flex-direction:column;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}