:root{--navy:#0b2b59;--navy2:#17467a;--ink:#18304a;--muted:#61768d;--cream:#fffaf0;--white:#fff;--line:#d9e3ec;--gold:#ffc42e;--sky:#dff3ff;--pink:#ff729f;--green:#4f9d72;--shadow:0 18px 50px rgba(11,43,89,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream);line-height:1.65}a{color:var(--navy2)}img{max-width:100%}.topbar{position:sticky;top:0;z-index:20;background:rgba(11,43,89,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.13)}.nav{max-width:1160px;margin:auto;padding:15px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font:700 23px Georgia,serif;color:#fff;text-decoration:none;letter-spacing:.02em}.navlinks{display:flex;gap:22px;align-items:center;font-size:14px}.navlinks a{color:#fff;text-decoration:none;opacity:.9}.navlinks a:hover{opacity:1}.hero{background:radial-gradient(circle at 75% 18%,rgba(255,196,46,.18),transparent 27%),linear-gradient(135deg,#0a2750,#16497b);color:#fff;overflow:hidden}.hero-inner{max-width:1160px;margin:auto;padding:72px 28px 68px;display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:850;color:#ffe298;margin-bottom:12px}.hero h1{font:700 clamp(46px,6vw,70px)/1.02 Georgia,serif;margin:0 0 18px;letter-spacing:-.025em}.subhead{font-size:21px;line-height:1.45;color:#eaf5ff;margin:0 0 18px;max-width:650px}.hero-note{color:#d6e6f5;font-size:16px;max-width:650px;margin:0 0 28px}.buttons,.retailer-buttons{display:flex;flex-wrap:wrap;gap:11px}.btn{display:inline-block;padding:12px 18px;border-radius:9px;font-size:14px;font-weight:800;text-decoration:none;border:1px solid transparent}.btn-light{background:#fff;color:var(--navy)}.btn-gold{background:var(--gold);color:#17304e}.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:var(--navy2)}.cover-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:end}.cover{display:block;width:100%;border-radius:9px;box-shadow:0 28px 60px rgba(0,0,0,.35)}.cover.child{transform:rotate(2deg)}.cover.adult{transform:rotate(-2deg)}section{padding:78px 28px}.container{max-width:1060px;margin:auto}.section-head{max-width:790px;margin-bottom:30px}.label{font-size:12px;letter-spacing:.15em;text-transform:uppercase;font-weight:850;color:var(--navy2);margin-bottom:8px}.section-title{font:700 clamp(34px,5vw,44px)/1.15 Georgia,serif;color:var(--navy);margin:0 0 14px}.lead{font-size:18px;color:#3d5770;margin:0}.books{background:#fff}.book-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.book-card{background:var(--cream);border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;grid-template-columns:160px 1fr;gap:24px;box-shadow:0 10px 28px rgba(11,43,89,.07)}.book-card img{border-radius:7px;box-shadow:0 12px 28px rgba(11,43,89,.18)}.book-card h2{font:700 27px/1.14 Georgia,serif;color:var(--navy);margin:0 0 7px}.book-card .subtitle{font-size:15px;color:var(--muted);margin:0 0 12px}.book-card p{font-size:15px;margin:.6em 0}.meta{font-size:13px;color:var(--muted)}.feature{background:linear-gradient(180deg,var(--sky),#f7fcff)}.feature-grid,.detail-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:center}.feature-cover,.detail-cover{width:min(100%,390px);margin:auto;display:block;border-radius:10px;box-shadow:var(--shadow)}.checklist{padding:0;margin:24px 0;list-style:none}.checklist li{position:relative;padding:8px 0 8px 31px}.checklist li:before{content:"♥";position:absolute;left:0;color:var(--pink);font-size:18px}.band{background:var(--navy);color:#fff}.band .section-title{color:#fff}.band .lead{color:#dceafa}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.info-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:22px}.info-card h3{font:700 22px Georgia,serif;margin:0 0 8px;color:#fff}.info-card p{margin:0;color:#dceafa}.contact{background:#fff}.contact-card{background:var(--navy);color:#fff;border-radius:18px;padding:38px;display:flex;justify-content:space-between;align-items:center;gap:28px}.contact-card h2{font:700 34px Georgia,serif;margin:0 0 8px}.contact-card p{margin:0;color:#dceafa}.email{display:inline-block;background:#fff;color:var(--navy);padding:13px 18px;border-radius:9px;text-decoration:none;font-weight:800;white-space:nowrap}.paper{background:#fff}.facts{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 12px 32px rgba(11,43,89,.07)}.facts h2{font:700 30px Georgia,serif;color:var(--navy);margin:0 0 14px}.facts p{margin:.65em 0}.edition{padding-top:13px;border-top:1px solid var(--line)}.quote{border-left:4px solid var(--gold);padding:12px 0 12px 20px;font-size:18px;color:#39546e}.purchase{background:#eef5fa}.seller-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:25px}.seller-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px}.seller-card h3{font:700 23px Georgia,serif;color:var(--navy);margin:0 0 8px}.seller-card p{margin:.45em 0}.status{font-size:14px;color:var(--muted)}.notice{margin-top:24px;padding:19px 21px;background:#fff;border:1px solid #ead69f;border-left:5px solid var(--gold);border-radius:10px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:22px}.kids-hero{background:radial-gradient(circle at 82% 15%,#fff2a9,transparent 25%),linear-gradient(150deg,#dbf3ff,#fff8e7);color:var(--ink)}.kids-hero .eyebrow{color:var(--navy2)}.kids-hero .subhead{color:#365571}.kids-hero .hero-note{color:#4c667f}.kids-hero h1{color:var(--navy)}.kids-hero .btn-outline{color:var(--navy);border-color:var(--navy)}.kids-hero .hero-inner{grid-template-columns:1.1fr .9fr}.kids-hero .cover{width:min(100%,390px);margin:auto;transform:none}.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 25px}.tag{background:#fff;border:1px solid #cbddea;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:750;color:var(--navy)}footer{background:#07182e;color:#c8d6e5;padding:28px;text-align:center;font-size:13px}.footer-links{margin-bottom:8px}.footer-links a{color:#fff;margin:0 8px}
.edition-card{display:flex;flex-direction:column}.edition-card .buy-button{width:100%;text-align:center}.format-label{display:inline-block;align-self:flex-start;background:var(--sky);color:var(--navy);border-radius:999px;padding:5px 11px;margin-bottom:12px;font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.price{font:700 30px Georgia,serif;color:var(--navy);margin:.3em 0}.edition-card h3{font-size:21px}.product-page{min-height:calc(100vh - 145px);padding-top:64px}.product-title{font:700 clamp(36px,5vw,52px)/1.08 Georgia,serif;color:var(--navy);margin:0 0 18px}.product-page .buy-button{font-size:16px;padding:14px 22px}
@media(max-width:900px){.book-card{grid-template-columns:130px 1fr}.info-grid,.seller-grid{grid-template-columns:1fr 1fr}.hero-inner,.feature-grid,.detail-grid,.kids-hero .hero-inner{gap:38px}}
@media(max-width:720px){.nav{padding:14px 18px}.navlinks{display:none}.hero-inner,.kids-hero .hero-inner,.feature-grid,.detail-grid,.book-grid{grid-template-columns:1fr}.hero-inner{padding:52px 22px 50px}.cover-pair{max-width:430px;margin:auto}.book-card{grid-template-columns:120px 1fr;gap:18px}.info-grid,.seller-grid{grid-template-columns:1fr}section{padding:56px 22px}.contact-card{display:block;padding:28px}.email{margin-top:18px;white-space:normal;word-break:break-all}.retailer-buttons{flex-direction:column}.btn-navy{text-align:center}}
@media(max-width:430px){.book-card{grid-template-columns:1fr}.book-card img{width:180px}.cover-pair{gap:12px}}
.policy-grid{display:grid;gap:22px;margin-top:30px}.policy-grid .facts h2{font-size:27px}