:root{
  --primary:#0F172A;
  --accent:#2563EB;
  --light:#F8FAFC;
  --muted:#475569;
}
*{margin:0;padding:0;box-sizing:border-box;font-family:Poppins,system-ui,sans-serif}
body{background:var(--light);color:#111;line-height:1.6}
.container{width:90%;max-width:1100px;margin:auto}
nav{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.05);position:fixed;width:100%;z-index:100}
nav .container{display:flex;justify-content:space-between;align-items:center;padding:14px 0;gap:16px}
nav .brand{color:var(--accent);font-size:1.25rem;font-weight:700;text-decoration:none}
nav ul{display:flex;gap:22px;list-style:none;flex-wrap:wrap}
nav a{text-decoration:none;color:#333;font-weight:600;font-size:.95rem}
.hero{
  background:linear-gradient(rgba(15,23,42,.88),rgba(15,23,42,.88)),
    url("https://images.unsplash.com/photo-1531496730074-83b638c0a7ac");
  background-size:cover;background-position:center;color:#fff;
  min-height:72vh;display:flex;align-items:center;text-align:center;padding:110px 0 70px
}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:16px}
.hero p{font-size:1.1rem;margin-bottom:28px;max-width:720px;margin-left:auto;margin-right:auto}
.btn{padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:600;display:inline-block;margin:4px;border:none;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-secondary{border:2px solid #fff;color:#fff}
.btn-dark{background:var(--primary);color:#fff}
section{padding:72px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:var(--primary)}
.section-title p{color:var(--muted);max-width:760px;margin:12px auto 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.card{background:#fff;padding:28px;border-radius:10px;box-shadow:0 5px 20px rgba(0,0,0,.05)}
.card h3{color:var(--accent);margin-bottom:10px}
.why{background:var(--primary);color:#fff}
.why .section-title h2,.page-hero h1{color:inherit}
.tech-list{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.tech-list span{background:var(--accent);color:#fff;padding:8px 14px;border-radius:20px;font-size:.875rem}
.page-hero{padding:120px 0 40px;background:#fff;border-bottom:1px solid #e2e8f0}
.page-hero h1{font-size:2.2rem;color:var(--primary);margin-bottom:10px}
.page-hero p{color:var(--muted);max-width:720px}
.prose{max-width:800px;margin:0 auto}
.prose h2{margin:28px 0 10px;color:var(--primary);font-size:1.35rem}
.prose p,.prose li{color:#334155;margin-bottom:12px}
.prose ul{padding-left:1.2rem;margin-bottom:16px}
.faq-item{background:#fff;padding:22px 24px;border-radius:10px;margin-bottom:14px;box-shadow:0 4px 16px rgba(0,0,0,.04)}
.faq-item h2{font-size:1.15rem;color:var(--primary);margin-bottom:8px}
form{max-width:560px;margin:auto;display:flex;flex-direction:column;gap:12px}
input,textarea{padding:12px 14px;border-radius:6px;border:1px solid #cbd5e1;font:inherit}
footer{background:var(--primary);color:#fff;text-align:center;padding:28px 16px}
footer a{color:#93c5fd;margin:0 8px}
@media(max-width:768px){
  nav ul{display:none}
}