:root{--bg:#0b0e14;--card:#121826;--text:#e6e9ef;--muted:#98a2b3;--brand1:#5B6CFF;--brand2:#26C6F9;--accent:#1f2937;--ring:rgba(91,108,255,.45)}
:root.light{--bg:#ffffff;--card:#f7f8fb;--text:#0b0e14;--muted:#475467;--accent:#e5e7eb;--ring:rgba(91,108,255,.35)}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:24px}

.site-header{position:sticky;top:0;z-index:10;backdrop-filter:saturate(180%) blur(8px);background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.2));border-bottom:1px solid var(--accent);display:flex;align-items:center;justify-content:space-between;padding:12px 24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-text strong{display:block;font-weight:800;letter-spacing:.5px}
.brand-text small{display:block;color:var(--muted);font-weight:600;letter-spacing:2px}
.logo-svg{width:36px;height:36px;display:block}
.site-nav ul{list-style:none;display:flex;gap:16px;margin:0;padding:0;align-items:center}
.site-nav a,.site-nav .ghost{padding:8px 12px;border-radius:10px;text-decoration:none;color:var(--text)}
.site-nav a:hover{background:var(--accent)}
.ghost{background:transparent;border:1px solid var(--accent)}
.nav-toggle{display:none}

.hero{padding:64px 0 40px;display:grid;gap:16px}
.hero h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:0}
.hero p{color:var(--muted);margin:0}
.hero-cta{display:flex;gap:12px;margin-top:10px}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;border:1px solid var(--accent);text-decoration:none}
.btn.primary{background:linear-gradient(90deg,var(--brand1),var(--brand2));border:none;color:#fff}

.card{background:var(--card);border:1px solid var(--accent);border-radius:16px;padding:18px}
.card-grid{display:grid;grid-template-columns:2fr 1fr;gap:16px}
.card.accent{border-color:var(--brand1)}
.bullets{margin:8px 0 0 16px}
.facts{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.facts li{background:rgba(91,108,255,.08);border:1px dashed var(--accent);padding:8px 10px;border-radius:10px}

#services{margin-top:28px}
.cards-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.service{background:var(--card);border:1px solid var(--accent);border-radius:14px;padding:14px}
.service h3{margin:0 0 6px 0}
.service p{margin:0;color:var(--muted)}

.founders{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:10px}
.founder{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--accent);border-radius:14px;padding:14px}
.avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--brand1),var(--brand2));display:grid;place-items:center;color:#fff;font-weight:800}

.contact{margin-top:28px}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:16px}
.lead{color:var(--muted)}
label{display:grid;gap:6px;margin-bottom:10px}
input,textarea{background:#0f1422;color:var(--text);border:1px solid var(--accent);border-radius:10px;padding:10px;outline:none}
input:focus,textarea:focus{box-shadow:0 0 0 3px var(--ring);border-color:var(--brand1)}
.status{min-height:20px;color:var(--muted)}

.site-footer{border-top:1px solid var(--accent);padding:18px 24px;text-align:center;color:var(--muted)}

@media (max-width: 840px){
  .card-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .site-nav ul{display:none}
  .nav-toggle{display:inline-block;background:transparent;border:1px solid var(--accent);border-radius:10px;color:var(--text);padding:8px 10px}
  .site-nav[ data-open="true" ] ul{display:flex;position:absolute;right:16px;top:56px;background:var(--card);border:1px solid var(--accent);border-radius:12px;padding:10px 12px}
}