:root{--bg:#f6f6fa;--card:#fff;--ink:#101a3a;--mut:#5b6384;--line:#e2e4ef;--navy:#101a3a;--gold:#c9a24b;--gold2:#f0d58a;--glass:#ffffffcc;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0a1026;--card:#141c3b;--ink:#eef0fa;--mut:#9aa3c7;--line:#27315c;--glass:#0a1026cc}}
:root[data-theme="dark"]{--bg:#0a1026;--card:#141c3b;--ink:#eef0fa;--mut:#9aa3c7;--line:#27315c;--glass:#0a1026cc}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Manrope,system-ui,sans-serif;line-height:1.6}
h1,h2,h3,.serif{font-family:Fraunces,Georgia,serif;font-weight:700;letter-spacing:-.01em}
.wrap{max-width:1120px;margin:auto;padding:0 20px}
.bar{background:var(--navy);color:var(--gold2);overflow:hidden;white-space:nowrap;font-size:13px;font-weight:600;padding:8px 0}
.bar span{display:inline-block;padding-left:100%;animation:mq 28s linear infinite}
@keyframes mq{to{transform:translateX(-100%)}}
@media(prefers-reduced-motion:reduce){.bar span{animation:none;padding-left:20px}}
header{position:sticky;top:0;z-index:10;background:var(--glass);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:14px}
.logo{font-family:Fraunces,serif;font-size:24px;font-weight:700;cursor:pointer}.logo i{color:var(--gold);font-style:normal}
nav{display:flex;gap:22px;font-weight:600;font-size:15px}nav a{cursor:pointer;color:var(--mut)}nav a:hover,nav a.on{color:var(--ink)}
.icons{display:flex;gap:10px;align-items:center}
.pill{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:8px 14px;font:inherit;font-weight:600;cursor:pointer;font-size:14px}
@media(max-width:700px){nav{display:none}}
.view{display:none}.view.on{display:block}
/* hero */
.hero{background:radial-gradient(900px 400px at 85% 20%,#c9a24b44,transparent),linear-gradient(135deg,#101a3a,#1d2b66 60%,#2b3a85);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;padding-top:64px;padding-bottom:70px}
.tag{display:inline-block;border:1px solid #f0d58a66;color:var(--gold2);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600}
.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.04;margin:16px 0}
.hero p{color:#cfd5f2;max-width:460px;font-size:17px}
.btn{font:inherit;font-weight:800;border:0;border-radius:12px;padding:14px 26px;cursor:pointer;background:linear-gradient(135deg,var(--gold2),var(--gold));color:#201800;box-shadow:0 8px 24px #c9a24b55;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}.btn.line{background:none;color:#fff;border:1.5px solid #ffffff55;box-shadow:none}
.btn.dark{background:var(--navy);color:#fff;box-shadow:none}
.stage{position:relative;height:340px}
.stage .bk{position:absolute;width:190px;height:270px}
.stage .bk:nth-child(1){left:2%;top:50px;transform:rotate(-9deg)}
.stage .bk:nth-child(2){left:30%;top:0;z-index:2;transform:rotate(2deg) scale(1.1)}
.stage .bk:nth-child(3){right:0;top:60px;transform:rotate(11deg)}
@media(max-width:800px){.hero .wrap{grid-template-columns:1fr}.stage{height:300px}.stage .bk{width:150px;height:215px}}
/* book cover */
.bk{border-radius:6px 12px 12px 6px;color:#fff;padding:18px 16px 16px 26px;display:flex;flex-direction:column;justify-content:space-between;position:relative;box-shadow:0 18px 36px #0006,inset -3px 0 6px #0003;overflow:hidden}
.bk::before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;background:linear-gradient(90deg,#0005,#fff2 60%,#0003)}
.bk::after{content:"";position:absolute;right:-30px;bottom:-30px;width:130px;height:130px;border-radius:50%;background:#ffffff1c}
.bk .em{font-size:38px}.bk b{font-family:Fraunces,serif;font-size:19px;line-height:1.12}.bk small{opacity:.85;font-size:11px;letter-spacing:.04em}
/* trust */
.trust{background:var(--card);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;padding-top:18px;padding-bottom:18px;font-weight:600;font-size:14px}
.trust span{display:flex;gap:10px;align-items:center}.trust i{font-style:normal;font-size:22px}
section.s{padding:56px 0}
.sh{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px;gap:10px;flex-wrap:wrap}
.sh h2{font-size:clamp(26px,4vw,38px);margin:0}.sh p{margin:4px 0 0;color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:22px}
.item{cursor:pointer}
.item .pic{position:relative;border-radius:18px;background:linear-gradient(160deg,#e9ebf7,#dfe2f3);display:flex;justify-content:center;padding:34px 0;transition:.25s}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .item .pic{background:linear-gradient(160deg,#1b2552,#141c3b)}}
.item:hover .pic{transform:translateY(-5px);box-shadow:0 20px 40px #101a3a22}
.item .bk{width:150px;height:215px}
.badge{position:absolute;top:12px;left:12px;background:var(--navy);color:var(--gold2);font-size:12px;font-weight:800;border-radius:999px;padding:4px 11px;z-index:2}
.badge.off{left:auto;right:12px;background:var(--gold);color:#201800}
.item h3{font-size:18px;margin:14px 0 2px}.item .sub{color:var(--mut);font-size:14px}
.stars{color:var(--gold);letter-spacing:2px;font-size:14px}.stars small{color:var(--mut);letter-spacing:0;margin-left:6px}
.price b{font-size:19px}.price s{color:var(--mut);margin-left:8px;font-size:14px}
/* bundle */
.bundle{border-radius:24px;background:linear-gradient(120deg,#101a3a,#2b3a85);color:#fff;padding:40px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;position:relative;overflow:hidden}
.bundle::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;border:34px solid #c9a24b33}
.bundle h2{margin:0 0 6px;font-size:clamp(24px,4vw,36px)}.bundle p{margin:0;color:#cfd5f2}
.rev{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.rc{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}
.rc p{margin:10px 0 14px}.who{display:flex;gap:10px;align-items:center;font-weight:600;font-size:14px}
.av{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--gold2),var(--gold));display:grid;place-items:center;color:#201800;font-weight:800}
footer{background:var(--navy);color:#b9c0e6;padding:44px 0 30px;margin-top:30px;font-size:14px}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer h4{color:#fff;margin:0 0 10px;font-family:Fraunces,serif}footer a{display:block;margin:5px 0}
@media(max-width:700px){footer .wrap{grid-template-columns:1fr}}
.copy{text-align:center;margin-top:26px;opacity:.7;font-size:13px}
/* product */
.crumb{padding:20px 0;color:var(--mut);font-size:14px}.crumb a{cursor:pointer;color:var(--ink)}
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:start}
@media(max-width:850px){.pd{grid-template-columns:1fr}}
.gal{border-radius:24px;padding:60px 0;display:flex;justify-content:center;position:sticky;top:90px}
.gal .bk{width:230px;height:330px;transform:rotate(-4deg)}
@media(max-width:850px){.gal{position:static}}
.info h1{font-size:clamp(30px,5vw,44px);margin:6px 0;line-height:1.1}
.save{display:inline-block;background:#e6f6ec;color:#0a7a45;font-weight:800;font-size:13px;border-radius:999px;padding:4px 12px;margin-left:8px}
.pr{font-size:34px;font-weight:800;margin:10px 0}.pr s{font-size:20px;color:var(--mut);font-weight:400;margin-left:8px}
.ticks{list-style:none;padding:0;margin:16px 0}.ticks li{padding:6px 0 6px 30px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;top:7px;width:20px;height:20px;border-radius:50%;background:var(--gold);color:#201800;font-size:12px;font-weight:800;display:grid;place-items:center}
.buybox{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}
.buybox .btn{width:100%;font-size:17px}
.sec{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:12px;font-size:13px;color:var(--mut)}
.ok{color:#0a7a45;font-weight:800}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:10px 0}summary{cursor:pointer;font-weight:800}
.modal{position:fixed;inset:0;background:#000a;display:none;align-items:center;justify-content:center;padding:16px;z-index:50}.modal.on{display:flex}
.rz{background:#fff;color:#1c2b33;border-radius:10px;width:min(360px,100%);overflow:hidden;font-family:system-ui,sans-serif}
.rz .top{background:#0c2451;color:#fff;padding:16px}.rz .body{padding:16px;display:grid;gap:8px}
.rz .opt{border:1px solid #d5dce2;border-radius:8px;padding:11px;cursor:pointer}
.rz .pay{background:#3395ff;color:#fff;border:0;border-radius:8px;padding:12px;font-size:16px;cursor:pointer}
a{color:inherit;text-decoration:none}
.icons a.pill{display:inline-block}
#pay[disabled]{opacity:.6;cursor:wait}