:root{
  --bg:#ffffff;
  --text:#121212;
  --muted:#6b7280;
  --primary:#1768ff;
  --dark:#242226;
  --card:#f8fafc;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);}
img{max-width:100%;display:block}
.container{width:min(1200px,90vw);margin-inline:auto}
header.nav{
  position:sticky;top:0;z-index:10;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid #eee;
}
.nav .inner{display:flex;align-items:center;gap:28px;padding:14px 0;justify-content:flex-end}
.nav .btn{padding:10px 16px;border-radius:999px;border:1px solid #e5e7eb;text-decoration:none;color:var(--text)}
.nav .btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}

section{padding:72px 0}
.hero{padding:120px 0 56px}
.hero h1{font-size:clamp(32px,5.3vw,56px);line-height:1.1;margin:0 0 12px;text-align:center;font-weight:800;letter-spacing:-.02em}
.hero p.sub{color:var(--muted);text-align:center;font-size:clamp(16px,2.2vw,22px);margin:0 0 26px}
.hero .cta{display:flex;justify-content:center}
.hero .cta .btn{background:var(--primary);color:#fff;border:none;padding:12px 22px;border-radius:999px;text-decoration:none;font-weight:600}
.hero .logos{display:grid;grid-template-columns:repeat(8,1fr);gap:26px;align-items:center;justify-items:center;margin-top:40px}
@media(max-width:900px){.hero .logos{grid-template-columns:repeat(4,1fr)}}
@media(max-width:520px){.hero .logos{grid-template-columns:repeat(3,1fr)}}

.shadow-card{background:#fff;border:1px solid #e5e7eb;border-radius:24px;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.engine h2{font-weight:800;text-align:center;font-size:clamp(28px,3.8vw,44px);letter-spacing:-.02em}
.engine .frame{margin-top:26px;overflow:hidden}
.engine .frame img{border-radius:22px;border:1px solid #e5e7eb;box-shadow:0 30px 70px rgba(0,0,0,.08)}

.benefits{background:#fff}
.benefits h2{font-size:clamp(28px,3.4vw,42px);text-align:center;font-weight:800;margin-bottom:28px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid #eaeaea;border-radius:18px;padding:26px;text-align:center}
.card h3{margin:12px 0 8px}
.card p{color:var(--muted);margin:0}

.ndr{background:#fafafa}
.ndr h2{font-size:clamp(28px,3.4vw,42px);text-align:center;font-weight:800;margin-bottom:26px}
.ndr .wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
@media(max-width:900px){.ndr .wrap{grid-template-columns:1fr}}

.testimonials h2{font-size:clamp(28px,3.4vw,42px);text-align:center;font-weight:800;margin:0 0 24px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1000px){.testi-grid{grid-template-columns:1fr}}
.testi{padding:22px;border:1px solid #eee;border-radius:16px;background:#fff}
.cta-final{text-align:center;padding:48px 0}
.cta-final .btn{background:#1768ff;color:#fff;border:none;border-radius:999px;padding:12px 22px;text-decoration:none;font-weight:700}

footer{background:var(--dark);color:#f5f5f5;padding:28px 0}
footer .row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
footer a{color:#d9e3ff;text-decoration:none}
.sep{height:1px;background:#444;margin:18px 0}
.mini{display:flex;gap:18px;align-items:center}
.small{font-size:14px;color:#c5c5c7}