body{margin:0;font-family:Inter,sans-serif;background:#f9fafb;color:#111}
.container{max-width:1100px;margin:auto;padding:0 20px}
.flex{display:flex;align-items:center}
.between{justify-content:space-between}
.header{background:#111827;color:white;padding:14px 0;position:sticky;top:0;z-index:10}
.logo{font-weight:700;font-size:20px}
.logo span{color:#3b82f6;margin-left:4px}
.nav a{color:white;margin-left:18px;text-decoration:none;font-weight:500}
.nav a:hover{text-decoration:underline}
.btn{background:#2563eb;color:white;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:600;display:inline-block}
.btn.primary{background:#1d4ed8}
.hero{padding:80px 0;background:linear-gradient(180deg,#dbeafe,#fff)}
.hero h1{font-size:36px;color:#0b3d91}
.hero span{color:#1e40af}
.hero-img{max-width:100%;border-radius:12px}
.section{padding:60px 0}
.section.alt{background:#f1f5f9}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:white;border:1px solid #e2e8f0;border-radius:10px;padding:20px;box-shadow:0 2px 6px rgba(0,0,0,.05)}
.card h3{margin-top:0;color:#0b3d91}
.advantages{list-style:disc;padding-left:20px;line-height:1.8}
.form input,.form textarea{width:100%;padding:12px;margin:8px 0;border:1px solid #cbd5e1;border-radius:8px}
.form button{margin-top:10px}
.checkbox{font-size:14px}
.footer{background:#111827;color:white;padding:20px 0;margin-top:40px}
.footer a{color:#93c5fd;text-decoration:none}
.footer a:hover{text-decoration:underline}
@media(max-width:800px){.grid2{grid-template-columns:1fr}.nav{display:none}}