:root{
  --bg:#090b10;--panel:#11151d;--panel2:#171c26;--text:#f5f7fb;
  --muted:#aeb7c5;--line:rgba(255,255,255,.09);
  --accent:#b89cff;--accent2:#6be7d8;--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);
background:radial-gradient(circle at 12% 8%,rgba(184,156,255,.16),transparent 28%),
radial-gradient(circle at 88% 20%,rgba(107,231,216,.12),transparent 26%),var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}.container{width:min(92%,var(--max));margin:auto}
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(9,11,16,.75);border-bottom:1px solid var(--line)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:850;letter-spacing:-.03em}
.logo{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;color:#090b10;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent2))}
nav{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:.95rem}nav a:hover{color:var(--text)}
.menu{display:none;background:none;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:8px 11px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:12px;font-weight:750;border:1px solid var(--line);transition:.2s;cursor:pointer}
.btn:hover{transform:translateY(-2px)}.primary{color:#090b10;border:none;background:linear-gradient(135deg,var(--accent),var(--accent2))}
.secondary{background:rgba(255,255,255,.035)}
.hero{padding:105px 0 72px;text-align:center}.eyebrow{display:inline-flex;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.035);font-size:.85rem}
.hero h1{max-width:980px;margin:24px auto 18px;font-size:clamp(2.8rem,7vw,5.9rem);line-height:.98;letter-spacing:-.065em}
.gradient{background:linear-gradient(90deg,#fff,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:760px;margin:auto;color:var(--muted);font-size:1.1rem}.actions{margin-top:32px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.stats{margin:44px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:1000px}
.stat{padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.028);text-align:left}
.stat strong{display:block;font-size:1rem}.stat span{color:var(--muted);font-size:.87rem}
section{padding:76px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{margin:0;font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;letter-spacing:-.045em}.section-head p{max-width:590px;margin:0;color:var(--muted)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,.047),rgba(255,255,255,.018));overflow:hidden;transition:.22s}
.card:hover{transform:translateY(-4px);border-color:rgba(184,156,255,.35)}.card-body{padding:24px}.card h3{margin:12px 0 8px;font-size:1.35rem}.card p{margin:0;color:var(--muted)}
.icon{font-size:1.6rem}.tag{display:inline-block;padding:5px 9px;border-radius:999px;color:#ddd4ff;background:rgba(184,156,255,.1);border:1px solid rgba(184,156,255,.2);font-size:.78rem}
.cover{min-height:265px;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,rgba(184,156,255,.23),transparent 34%),radial-gradient(circle at 80% 70%,rgba(107,231,216,.15),transparent 30%),#0d1118}
.book{width:185px;aspect-ratio:3/4;border-radius:9px 17px 17px 9px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#20283a,#0e1219);box-shadow:-15px 18px 45px rgba(0,0,0,.5);transform:rotate(-4deg)}
.book.alt{background:linear-gradient(145deg,#30224d,#11131d);transform:rotate(4deg)}.book strong{font-size:1.45rem;line-height:1.05}.book small{color:#c8d0dc}
.cards-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.tool{padding:20px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.025)}.tool strong{display:block}.tool span{color:var(--muted);font-size:.88rem}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.check{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025)}
.cta{padding:42px;border-radius:24px;border:1px solid var(--line);background:radial-gradient(circle at 85% 20%,rgba(107,231,216,.17),transparent 30%),radial-gradient(circle at 10% 80%,rgba(184,156,255,.18),transparent 34%),var(--panel);display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{margin:0 0 8px;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.045em}.cta p{margin:0;color:var(--muted);max-width:610px}
footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted)}.footer{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.page-hero{padding:75px 0 45px;text-align:center}.page-hero h1{font-size:clamp(2.5rem,6vw,4.8rem);line-height:1;margin:18px auto;letter-spacing:-.055em}.page-hero p{max-width:720px;margin:auto;color:var(--muted)}
.product{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;padding:75px 0}.product h1{font-size:clamp(2.7rem,6vw,5rem);line-height:.98;margin:18px 0;letter-spacing:-.055em}.product p{color:var(--muted);font-size:1.08rem}
@media(max-width:900px){nav{display:none;position:absolute;top:72px;left:0;right:0;padding:18px;background:#0d1118;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}nav.open{display:flex}.menu{display:block}.stats,.grid4{grid-template-columns:repeat(2,1fr)}.grid3,.grid2,.product{grid-template-columns:1fr}.section-head,.cta{align-items:flex-start;flex-direction:column}}
@media(max-width:540px){.stats,.grid4,.checks{grid-template-columns:1fr}.hero{padding-top:76px}.cta{padding:28px}}