:root{--bg:#0b1020;--card:#131a2e;--line:#232c47;--txt:#e7ecf7;--mut:#9aa5c0;--acc:#6d8cff;--acc2:#38d9a9}
*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6}
a{color:inherit;text-decoration:none}.wrap{max-width:1120px;margin:auto;padding:0 20px}
nav{position:sticky;top:0;z-index:9;background:rgba(11,16,32,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-weight:800;font-size:1.15rem}.logo span{color:var(--acc)}
nav ul{display:flex;gap:24px;list-style:none;color:var(--mut);font-size:.95rem}nav ul a:hover{color:var(--txt)}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;background:linear-gradient(135deg,var(--acc),#8f6dff);color:#fff;transition:.2s}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(109,140,255,.35)}
.btn.ghost{background:transparent;border:1px solid var(--line)}.btn.sm{padding:8px 16px;font-size:.9rem}
.hero{padding:110px 0 90px;text-align:center;background:radial-gradient(ellipse at top,rgba(109,140,255,.18),transparent 60%)}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.15;max-width:850px;margin:0 auto 20px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;color:transparent}
.hero p{color:var(--mut);font-size:1.2rem;max-width:640px;margin:0 auto 32px}.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
section{padding:80px 0}h2{font-size:2rem;margin-bottom:10px;letter-spacing:-.01em}.sub{color:var(--mut);margin-bottom:40px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;transition:.2s}.card:hover{border-color:var(--acc)}
.card .ic{font-size:1.8rem;margin-bottom:10px}.card h3{margin-bottom:6px}.card p{color:var(--mut);font-size:.95rem}
.demo{padding:0;overflow:hidden;display:flex;flex-direction:column}.demo .thumb{height:150px;display:flex;align-items:center;justify-content:center;font-size:3rem}
.demo .body{padding:20px;flex:1;display:flex;flex-direction:column;gap:8px}.tag{display:inline-block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--acc2);font-weight:700}
.steps{counter-reset:s;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.step{counter-increment:s;position:relative;padding-top:56px}.step:before{content:counter(s);position:absolute;top:20px;left:24px;width:28px;height:28px;border-radius:50%;background:var(--acc);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.price{display:flex;justify-content:space-between;align-items:center}.price b{font-size:1.4rem;color:var(--acc2)}
.note{color:var(--mut);font-size:.9rem;margin-top:20px}
.final{text-align:center;background:linear-gradient(135deg,rgba(109,140,255,.15),rgba(56,217,169,.1));border:1px solid var(--line);border-radius:20px;padding:60px 20px}
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--mut);font-size:.9rem;text-align:center}
@media(max-width:760px){nav ul{display:none}section{padding:60px 0}}