/* Base styles */
:root{
  --primary:#1363DF;
  --primary-600:#0F56C3;
  --gray-900:#0f172a;
  --gray-700:#334155;
  --gray-500:#64748b;
  --gray-300:#cbd5e1;
  --gray-100:#f1f5f9;
  --bg:#ffffff;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,0.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial; color:var(--gray-900); background:var(--bg);
}
img{max-width:100%; display:block; border-radius:12px}
a{color:var(--primary); text-decoration:none}
.container{max-width:1120px; margin:0 auto; padding:0 20px}

/* Header */
.header{position:sticky; top:0; z-index:50; background:#fff; border-bottom:1px solid var(--gray-100)}
.nav{display:flex; align-items:center; justify-content:space-between; height:66px}
.logo{display:flex; align-items:center; gap:10px; font-weight:700; color:var(--gray-900)}
.logo svg{width:28px; height:28px}
.menu{display:flex; gap:22px; align-items:center}
.menu a{color:var(--gray-700)}
.cta-btn{background:var(--primary); color:#fff; padding:10px 16px; border-radius:10px; box-shadow:var(--shadow)}
.burger{display:none; background:none; border:none; padding:8px}
.burger span{display:block; width:26px; height:3px; background:var(--gray-900); margin:5px 0; border-radius:2px}

/* Mobile menu */
@media (max-width: 860px){
  .menu{display:none; position:absolute; top:66px; left:0; right:0; background:#fff; border-bottom:1px solid var(--gray-100); flex-direction:column; padding:16px}
  .menu.open{display:flex}
  .burger{display:block}
}

/* Hero */
.hero{display:grid; grid-template-columns:1.2fr 1fr; align-items:center; gap:32px; padding:48px 0}
.hero h1{font-size:42px; line-height:1.15; margin:0 0 14px}
.hero p{color:var(--gray-700); font-size:18px; margin:0 0 22px}
.hero-cta{display:flex; gap:14px; align-items:center}
.btn{display:inline-block; background:var(--primary); color:#fff; padding:12px 18px; border-radius:12px}
.btn.secondary{background:#eef2ff; color:var(--primary-600)}

@media (max-width: 860px){
  .hero{grid-template-columns:1fr}
}

/* Sections */
.section{padding:48px 0}
.section h2{font-size:28px; margin:0 0 16px}
.section p.lead{color:var(--gray-700); margin:0 0 24px}
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:20px}
@media (max-width: 860px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}
.card{border:1px solid var(--gray-100); border-radius:14px; padding:18px; background:#fff}
.card h3{margin:10px 0 8px; font-size:20px}
.card p{color:var(--gray-700)}

/* Pricing */
.pricing-table{width:100%; border-collapse:collapse; overflow:hidden; border-radius:12px; box-shadow:var(--shadow)}
.pricing-table th, .pricing-table td{padding:14px 16px; border-bottom:1px solid var(--gray-100); text-align:left}
.pricing-table thead{background:var(--gray-100)}

/* Footer */
.footer{border-top:1px solid var(--gray-100); background:#fff; padding:28px 0; color:var(--gray-700)}
.footer .links{display:flex; gap:16px; flex-wrap:wrap}
.footer small{color:var(--gray-500)}

/* Forms */
.form{display:grid; gap:14px}
.input{display:flex; flex-direction:column; gap:6px}
.input input, .input textarea{border:1px solid var(--gray-300); border-radius:10px; padding:12px 14px; font-size:16px}
.input input:focus, .input textarea:focus{outline:2px solid #c7d2fe; border-color:#a5b4fc}
.error{color:#b91c1c; font-size:14px}
.success{color:#065f46; font-size:14px}

/* Utility */
.kbd{background:#e2e8f0; border-radius:6px; padding:2px 6px; font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas}
.hide{display:none}