:root{
 --bg:#050708;--panel:#0b1012;--panel2:#101619;--text:#f5f7f8;--muted:#8d999f;
 --red:#ff2929;--teal:#00d6c8;--line:#202a2f;--good:#7fffd4;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:
radial-gradient(circle at 10% 0,rgba(255,41,41,.13),transparent 26%),
radial-gradient(circle at 90% 0,rgba(0,214,200,.10),transparent 28%),var(--bg);
color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,calc(100% - 28px));margin:auto}
.top{position:sticky;top:0;z-index:50;background:rgba(5,7,8,.88);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 0}
.brand{font-weight:950;letter-spacing:.08em}.brand span{color:var(--red)}
.navlinks{display:flex;gap:14px;color:#b6c0c4;font-size:.92rem}
.hero{padding:74px 0 38px}
.kicker{color:var(--teal);font-size:.78rem;font-weight:900;letter-spacing:.14em}
h1{font-size:clamp(3rem,8vw,6.4rem);line-height:.87;letter-spacing:-.055em;margin:14px 0;text-transform:uppercase}
h1 span{color:var(--red)} .lead{max-width:790px;color:#aab6bb;font-size:1.08rem;line-height:1.7}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.btn{border:1px solid var(--line);background:#0b1012;color:white;padding:11px 14px;border-radius:12px;cursor:pointer}
.btn.red{background:linear-gradient(#ff3434,#d51b25);border-color:#ff4a4a;font-weight:850}
.btn.teal{background:linear-gradient(#15e3d7,#00aaa2);border-color:#22e7dd;color:#031312;font-weight:900}
.btn.ghost:hover{border-color:#455158}.section{padding:38px 0}
.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
.eyebrow{font-size:.75rem;letter-spacing:.14em;font-weight:950;color:var(--red)}
h2{font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.035em;margin:5px 0 0}
.small{color:var(--muted);font-size:.91rem;line-height:1.55}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--line);background:linear-gradient(180deg,#0c1113,#080b0d);border-radius:18px;padding:18px}
.bookcover{aspect-ratio:4/5;border-radius:14px;padding:18px;display:flex;flex-direction:column;justify-content:space-between;
background:linear-gradient(145deg,rgba(255,41,41,.18),#0a0e10 50%,rgba(0,214,200,.12));border:1px solid #293238;margin-bottom:15px}
.series{color:var(--teal);font-size:.72rem;letter-spacing:.12em;font-weight:900}
.booktitle{font-size:2rem;line-height:.95;font-weight:950;text-transform:uppercase}
.meta{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0}.pill{font-size:.72rem;border:1px solid #263238;color:#a9b5ba;border-radius:999px;padding:5px 8px}
.price{font-size:1.25rem;font-weight:950}.row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.panel{border:1px solid var(--line);background:#0a0e10;border-radius:20px;padding:20px}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full{grid-column:1/-1}
label{display:block;font-size:.8rem;color:#a6b1b5;margin-bottom:6px;font-weight:800}
input,textarea,select{width:100%;border:1px solid #29343a;background:#070a0c;color:white;border-radius:12px;padding:12px}
textarea{min-height:130px;resize:vertical}
.checkout{display:grid;grid-template-columns:1fr .8fr;gap:18px}
.paybox{border:1px solid rgba(0,214,200,.3);background:rgba(0,214,200,.045);border-radius:16px;padding:16px}
.address{word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;background:#050708;border:1px solid #253237;border-radius:10px;padding:10px;margin:8px 0}
.qr{background:white;border-radius:12px;width:180px;height:180px;padding:10px;margin:12px auto;display:grid;place-items:center}
.notice{border-left:3px solid var(--red);padding:10px 12px;background:rgba(255,41,41,.05);color:#b8c2c6;font-size:.88rem;line-height:1.55}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tab{cursor:pointer}.tab.active{background:var(--teal);color:#02100f;font-weight:900}
.converter{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px}
.drop{border:1px dashed #3b4b52;border-radius:16px;padding:26px;text-align:center;background:#080c0e}
.output{background:#f3efe7;color:#1a1a1a;border-radius:16px;padding:24px;min-height:360px;max-height:560px;overflow:auto;font-family:Georgia,serif;line-height:1.7}
.output h1,.output h2,.output h3{color:#171717;text-transform:none;line-height:1.2;font-size:1.6rem;letter-spacing:normal}
.status{margin-top:10px;color:var(--teal);font-size:.85rem}
footer{padding:38px 0 48px;color:#738087}.foot{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.hide{display:none!important}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}.checkout,.converter{grid-template-columns:1fr}.navlinks{display:none}}
@media(max-width:620px){.grid,.formgrid{grid-template-columns:1fr}.full{grid-column:auto}.hero{padding-top:48px}.wrap{width:min(100% - 20px,1180px)}h1{font-size:3.65rem}.sectionhead{align-items:start;flex-direction:column}}