:root{
  --bg:#0b1220;
  --text:#0e1b2b;
  --muted:#6c7a90;
  --brand:#2563eb;
  --brand-2:#1e40af;
  --surface:#ffffff;
  --surface-2:#f6f8fb;
  --border:#e6ebf2;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);scroll-behavior:smooth}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:100}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text)}
.logo{height:28px}
.menu{display:flex;align-items:center;gap:20px}
.menu a.btn-primary{color:#fff}
.btn{border:1px solid var(--border);padding:10px 16px;border-radius:12px;display:inline-block}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2)}
.hamburger{display:none;flex-direction:column;gap:4px;background:transparent;border:0}
.hamburger span{width:22px;height:2px;background:#0e1b2b;display:block}

.hero{background:linear-gradient(180deg,#f8fbff 0%,#fff 100%);padding:72px 0 56px;border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
h1{font-size:40px;line-height:1.1;margin:0 0 14px}
.lead{color:var(--muted);font-size:18px}
.cta{display:flex;gap:12px;margin-top:18px}
.hero-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;display:grid;gap:12px}
.stat{border:1px dashed var(--border);padding:14px;border-radius:12px;background:var(--surface-2)}
.stat strong{display:block;font-size:18px}

.section{padding:72px 0}
.section.alt{background:var(--surface-2)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:18px}
.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}
.card.muted{background:#fbfcff}
.details{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.details li{display:grid;grid-template-columns:110px 1fr;gap:10px}
.details span{color:var(--muted)}
.form label{display:grid;gap:6px;margin-bottom:12px}
.form input,.form textarea{border:1px solid var(--border);border-radius:12px;padding:10px;font:inherit}
.form .hint{color:var(--muted);font-size:12px;margin:6px 0 0}
.partner{width:100%;height:auto}
.site-footer{border-top:1px solid var(--border);background:#fff}
.foot{display:flex;justify-content:space-between;align-items:center;height:64px}
.backtop{font-size:14px}
.link{font-weight:600}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .menu{display:none;position:absolute;top:64px;right:0;background:#fff;border-left:1px solid var(--border);border-bottom:1px solid var(--border);padding:12px 16px;flex-direction:column;gap:10px}
  .hamburger{display:flex}
}
@media (max-width:560px){
  h1{font-size:32px}
  .cards{grid-template-columns:1fr}
}