:root{
  --bg:#0b1020; --card:#12182a; --text:#e6ebf5; --muted:#9aa3b2;
  --primary:#7b61ff; --primary-contrast:#0b1020; --accent:#22c55e;
  --border:#1c243a; --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:16px; --container:1180px;
}
:root[data-theme="light"]{
  --bg:#f7f7f8; --card:#fff; --text:#0b1220; --muted:#6b7280;
  --primary:#3451ff; --primary-contrast:#fff; --accent:#16a34a; --border:#e5e7eb;
  --shadow:0 10px 30px rgba(2,6,23,.08);
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);
  background:radial-gradient(1200px 800px at 80% -10%,rgba(123,97,255,.08),transparent),var(--bg);}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding:0 20px}
/* header */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(8px);
  background:color-mix(in srgb,var(--bg) 85%,transparent);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.brand-logo{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#a78bfa);display:grid;place-items:center;color:#fff;font-weight:800}
.nav-links{display:flex;align-items:center;gap:18px}
.nav-links a{opacity:.9;padding:10px 6px;border-radius:10px;font-weight:500}
.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;border:1px solid var(--border);
  background:linear-gradient(180deg,color-mix(in srgb,var(--card) 92%,transparent),var(--card));box-shadow:var(--shadow)}
.btn-primary{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 90%,transparent),var(--primary));color:var(--primary-contrast);border-color:transparent}
.theme-toggle,.burger{border:1px solid var(--border);background:var(--card);border-radius:12px;padding:8px 10px;cursor:pointer}
.burger{display:none}
.nav-open .nav-links{display:flex}
/* responsive header */
@media (max-width:920px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:68px;background:var(--card);padding:12px 20px;border-bottom:1px solid var(--border)}
  .burger{display:inline-flex}
}
/* layout */
section{padding:56px 0}
.hero{padding:64px 0 32px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr;gap:20px}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px;gap:12px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:980px){.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,color-mix(in srgb,var(--card) 92%,transparent),var(--card));padding:18px;box-shadow:var(--shadow)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:color-mix(in srgb,var(--card) 88%,transparent);font-size:13px;color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:color-mix(in srgb,var(--primary) 18%,var(--card));border:1px solid var(--border);font-size:12.5px}
.ok{color:var(--accent);font-weight:600}
.list{display:grid;gap:10px;margin:10px 0 0}.list li{list-style:none;padding-left:26px;position:relative}
.list li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:3px;background:var(--primary);
  box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 22%,transparent)}
/* forms */
.input,.textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:color-mix(in srgb,var(--card) 88%,transparent);color:var(--text)}
.field{display:grid;gap:8px;margin-bottom:12px}
.terms{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px}
.hint{color:var(--muted);font-size:14px;margin-top:8px}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
/* footer */
footer{border-top:1px solid var(--border);padding:24px 0;color:var(--muted)}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-links{display:flex;gap:12px;flex-wrap:wrap}
/* helpers */
.lead{font-size:clamp(16px,2vw,20px);color:var(--muted);margin:0 0 12px}
h1{font-size:clamp(32px,5vw,56px);line-height:1.05;margin:0 0 12px;letter-spacing:-.3px}
h2{margin:.2em 0}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.kpi{padding:14px;border-radius:14px;background:color-mix(in srgb,var(--card) 85%,black 0%);border:1px dashed var(--border)}

/* Hide honeypot field (anti-spam) */
.hp{
  position:absolute !important;
  left:-10000px !important;
  top:auto !important;
  width:1px !important;
  height:1px !important;
  overflow:hidden !important;
  border:0 !important;
  padding:0 !important;
  margin:0 !important;
  background:transparent !important;
}