:root{
  --bg:#060b14;
  --bg-2:#0b1220;
  --panel:rgba(255,255,255,.05);
  --panel-2:rgba(255,255,255,.03);
  --text:#f4f7ff;
  --muted:#aeb7d3;
  --line:rgba(255,255,255,.08);
  --brand:#7c3aed;
  --brand-2:#2563eb;
  --accent:#ef4444;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(124,58,237,.18), transparent 28%),
    radial-gradient(circle at top right, rgba(239,68,68,.12), transparent 22%),
    linear-gradient(180deg,#050913 0%, #0a1020 100%);
}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max), calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(12px);
  background:rgba(4,7,14,.76);
  border-bottom:1px solid var(--line);
}
.nav{
  min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));font-weight:800;
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text small{color:var(--muted);font-size:12px;font-weight:500}
.nav-links{display:flex;align-items:center;gap:20px;color:var(--muted)}
.nav-links a:hover{color:#fff}
.link-button{
  padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--panel);
}
.hero{padding:76px 0 54px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}
.eyebrow,.section-label{
  display:inline-flex;padding:10px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#dfe5ff;
}
.hero h1{
  font-size:clamp(48px,8vw,88px);line-height:.95;letter-spacing:-3px;margin:18px 0 12px;
}
.lead{
  font-size:24px;line-height:1.35;color:#e7ebff;margin:0 0 16px;
}
.body-copy{
  font-size:18px;line-height:1.8;color:var(--muted);max-width:720px;margin:0;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-meta span{
  font-size:13px;padding:9px 12px;border-radius:999px;border:1px solid var(--line);background:var(--panel-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 20px;border-radius:14px;font-weight:700;transition:.2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:white}
.btn-secondary{border:1px solid var(--line);background:var(--panel);color:white}
.hero-visual{
  display:grid;gap:16px;
}
.book-shell{
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  padding:20px;border-radius:30px;border:1px solid var(--line);
  box-shadow:0 20px 70px rgba(0,0,0,.38);
}
.book-cover{
  min-height:520px;border-radius:24px;padding:26px;
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(circle at top right, rgba(239,68,68,.20), transparent 30%),
    linear-gradient(160deg,#23101d 0%, #161b34 42%, #0c1328 100%);
  display:flex;flex-direction:column;justify-content:space-between;
}
.book-top,.book-bottom{font-size:14px;color:#d7defa}
.book-title{
  font-size:64px;line-height:.92;font-weight:900;letter-spacing:-2px;
}
.book-subtitle{max-width:320px;color:#c8d0ef;line-height:1.6}
.price-panel{
  display:flex;justify-content:space-between;align-items:center;
  border:1px solid var(--line);border-radius:22px;background:var(--panel);padding:18px 20px;
}
.price-panel small{display:block;color:var(--muted);margin-bottom:4px}
.price-panel strong{font-size:32px}
.price-note{color:#dfe5ff;font-weight:600}
.trust-bar{padding:0 0 22px}
.trust-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.trust-item{
  border:1px solid var(--line);background:var(--panel);border-radius:22px;padding:20px;
}
.trust-item strong{display:block;font-size:18px;margin-bottom:8px}
.trust-item span{color:var(--muted);line-height:1.6}
.section{padding:50px 0}
.alt{
  background:rgba(255,255,255,.03);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}
.section-head.narrow{max-width:760px}
.section-head h2,.about-grid h2{
  margin:12px 0 10px;font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-1.5px;
}
.section-head p,.about-copy p{color:var(--muted);line-height:1.8}
.feature-card{
  display:grid;grid-template-columns:.92fr 1.08fr;
  border:1px solid var(--line);border-radius:30px;overflow:hidden;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}
.feature-left{
  padding:24px;border-right:1px solid var(--line);
  background:linear-gradient(135deg, rgba(124,58,237,.18), rgba(37,99,235,.12));
}
.mini-cover{
  min-height:100%;border-radius:24px;padding:24px;
  background:linear-gradient(160deg,#22102d,#101735);
  border:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;justify-content:space-between;
}
.mini-cover span{font-size:13px;color:#d7defa}
.mini-cover strong{font-size:50px;line-height:.92;letter-spacing:-2px}
.mini-cover small{color:#c7d0ee}
.feature-right{padding:26px}
.feature-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.feature-top h3{margin:0;font-size:34px}
.subhead{margin:6px 0 0;color:var(--muted)}
.feature-price{font-size:34px;font-weight:900}
.feature-copy{color:var(--muted);line-height:1.8}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.pill-row span{
  font-size:12px;padding:8px 10px;border-radius:999px;border:1px solid var(--line);background:var(--panel);
}
.feature-list{display:grid;gap:8px;margin:18px 0;color:#e7ecff}
.action-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.info-card{
  border:1px solid var(--line);border-radius:24px;background:var(--panel);padding:24px;
}
.info-card h3{margin:0 0 12px}
.info-card p{margin:0;color:var(--muted);line-height:1.7}
.about-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;
}
.newsletter-box{
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
  border:1px solid var(--line);border-radius:28px;background:var(--panel);padding:28px;
}
.newsletter-box h2{margin:12px 0 10px;font-size:clamp(28px,4vw,42px)}
.newsletter-box p{margin:0;color:var(--muted);line-height:1.7}
.newsletter-form{display:flex;gap:10px;flex-wrap:wrap}
.newsletter-form input{
  min-width:280px;padding:15px 16px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:white;
}
.site-footer{
  padding:40px 0 48px;border-top:1px solid var(--line);color:var(--muted);
}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px}
.page-wrap{padding:56px 0}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:28px;
  padding:28px;
}
.panel h1,.panel h2{margin-top:0}
.form-grid{display:grid;gap:14px}
.form-grid.two{grid-template-columns:1fr 1fr}
label{font-size:14px;color:var(--muted)}
input{
  width:100%;padding:14px 16px;border-radius:14px;color:white;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.notice{
  padding:14px 16px;border-radius:14px;margin:0 0 18px;
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.22);
}
.table{width:100%;border-collapse:collapse}
.table td,.table th{padding:12px;border-bottom:1px solid var(--line);text-align:left}
.download-card{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.03);
}
.small-muted{color:var(--muted);font-size:14px}
@media (max-width: 1020px){
  .hero-grid,.feature-card,.about-grid,.newsletter-box,.trust-grid,.card-grid,.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 760px){
  .nav-links{display:none}
  .hero-grid,.feature-card,.about-grid,.newsletter-box,.trust-grid,.card-grid,.footer-grid,.form-grid.two{grid-template-columns:1fr}
  .feature-left{border-right:0;border-bottom:1px solid var(--line)}
  .book-title{font-size:48px}
  .mini-cover strong{font-size:38px}
}