.qtx-store{--navy:#102643;--deep:#07182e;--ink:#17263c;--gold:#f5b53e;--aqua:#46d8c8;max-width:1220px;margin:0 auto;padding:20px 24px 90px;color:var(--ink);font-family:Inter,Arial,sans-serif}.qtx-store *{box-sizing:border-box}.qtx-hero{padding:clamp(50px,8vw,100px);border-radius:30px;color:#fff;background:radial-gradient(circle at 85% 15%,rgba(70,216,200,.28),transparent 25%),linear-gradient(135deg,var(--deep),#17365e)}.qtx-kicker{margin:0 0 14px;color:var(--gold);font-size:.76rem;font-weight:900;letter-spacing:.15em;text-transform:uppercase}.qtx-hero h1,.qtx-section>h2{margin:0;letter-spacing:-.05em;line-height:1}.qtx-hero h1{font-size:clamp(2.7rem,6vw,5.6rem)}.qtx-hero>p:last-child{max-width:760px;color:#dce8f4;font-size:1.2rem;line-height:1.65}.qtx-jump{position:sticky;top:72px;z-index:20;display:flex;justify-content:center;gap:10px;margin:18px 0 0;padding:12px;border:1px solid #dce4ec;border-radius:999px;background:rgba(255,255,255,.96);box-shadow:0 10px 30px rgba(16,38,67,.08)}.qtx-jump a{padding:9px 16px;border-radius:999px;color:var(--navy)!important;font-weight:800;text-decoration:none!important}.qtx-jump a:hover{background:#eef4f8}.qtx-section{padding:90px 0}.qtx-section>h2{max-width:850px;font-size:clamp(2.25rem,4vw,4rem)}.qtx-intro{max-width:800px;color:#5a6a7e;font-size:1.08rem;line-height:1.65}.qtx-alt{margin:0 -24px;padding-left:24px;padding-right:24px;background:#eef4f7}.qtx-grid{display:grid;gap:28px;margin-top:40px}.qtx-book-card{display:grid;grid-template-columns:260px 1fr;overflow:hidden;border:1px solid #dce4ec;border-top:7px solid var(--accent);border-radius:24px;background:#fff;box-shadow:0 15px 45px rgba(16,38,67,.08)}.qtx-cover{display:flex;align-items:center;justify-content:center;padding:24px;background:#e9eff4}.qtx-cover img{display:block;width:100%;max-height:360px;object-fit:contain;filter:drop-shadow(0 14px 14px rgba(0,0,0,.22))}.qtx-copy{padding:32px}.qtx-format{margin:0 0 8px;color:#657386;font-size:.72rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.qtx-copy h3{margin:0 0 14px;font-size:clamp(1.65rem,3vw,2.45rem);letter-spacing:-.035em;line-height:1.05}.qtx-copy>p,.qtx-copy li{color:#526176;line-height:1.6}.qtx-copy ul{padding-left:19px}.qtx-prices{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}.qtx-prices div{min-width:140px;padding:11px 15px;border-radius:13px;background:#f0f5f8}.qtx-prices span{display:block;color:#687689;font-size:.7rem}.qtx-prices strong{font-size:1.3rem;color:var(--navy)}.qtx-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.qtx-btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;font-weight:850;text-decoration:none!important}.qtx-primary{background:var(--gold);color:var(--deep)!important}.qtx-amazon{border:1px solid #cdd7e1;color:var(--navy)!important;background:#fff}.qtx-coming{color:#6c7888;font-size:.8rem}.qtx-bundles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}.qtx-bundles article{display:flex;min-height:270px;flex-direction:column;padding:28px;border:1px solid #dce4ec;border-radius:21px;background:#fff}.qtx-bundles h3{margin:0;font-size:1.45rem}.qtx-bundles p{color:#657386;line-height:1.55}.qtx-bundles strong{margin-top:auto;margin-bottom:18px;color:var(--navy);font-size:2rem}.qtx-bundles .qtx-featured{grid-column:span 2;color:#fff;background:linear-gradient(135deg,var(--deep),var(--navy));border-color:var(--deep)}.qtx-bundles .qtx-featured p,.qtx-bundles .qtx-featured strong{color:#fff}.qtx-note{padding:38px;border-left:6px solid var(--aqua);border-radius:0 18px 18px 0;background:#eff8f7}.qtx-note h2{margin-top:0}.qtx-note p{color:#526176;line-height:1.65}@media(max-width:780px){.qtx-store{padding-left:14px;padding-right:14px}.qtx-jump{position:static;border-radius:18px;flex-wrap:wrap}.qtx-book-card{grid-template-columns:1fr}.qtx-cover img{max-height:320px}.qtx-copy{padding:24px}.qtx-bundles{grid-template-columns:1fr}.qtx-bundles .qtx-featured{grid-column:auto}.qtx-alt{margin-left:-14px;margin-right:-14px;padding-left:14px;padding-right:14px}}