:root{
--bg:#0f1724; /* hero dark */
--accent:#7c3aed; /* purple */
--accent-2:#f59e0b; /* yellow */
--muted:#6b7280;
--card:#ffffff;
--glass: rgba(255,255,255,0.06);
--max-width:1100px;
}


*{box-sizing:border-box}
html,body{height:100%;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;}
body{margin:0;background:#f6f8fb;color:#0b1220}
.container{width:90%;max-width:var(--max-width);margin:0 auto}


/* header */
.site-header{background:transparent;padding:18px 0;position:sticky;top:0;z-index:40}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:700;color:var(--bg);text-decoration:none;font-size:1.1rem}
.nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-weight:600}
.nav-toggle{display:none}


/* hero */
.hero{background:linear-gradient(180deg,var(--bg),#0b1220);color:white;padding:72px 0}
.hero-inner{display:grid;grid-template-columns:1fr 420px;gap:36px;align-items:center}
.hero h1{font-size:2.6rem;margin:0 0 12px}
.lead{font-size:1.125rem;opacity:0.95;margin-bottom:20px}
.btn-primary{background:var(--accent);color:white;padding:12px 18px;border-radius:10px;text-decoration:none;font-weight:700;margin-right:12px;display:inline-block}
.btn-ghost{border:2px solid rgba(255,255,255,0.12);padding:10px 16px;border-radius:10px;color:white;text-decoration:none}
.hero-media img{width:100%;border-radius:12px;box-shadow:0 20px 50px rgba(2,6,23,0.6)}


/* services */
.section{padding:56px 0}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.service-card{background:var(--card);padding:22px;border-radius:12px;box-shadow:0 8px 30px rgba(15,23,42,0.06)}
.service-card h3{margin:0 0 8px}


/* content card */
.content-card{background:var(--card);padding:36px;border-radius:12px;box-shadow:0 6px 24px rgba(12,18,30,0.06)}


/* footer */
.site-footer{background:#fff;padding:28px 0;margin-top:40px;border-top:1px solid #eef2f7}
.footer-grid{display:flex;justify-content:space-between;gap:12px;align-items:center}
.muted{color:var(--muted)}


/* responsive */
@media (max-width:960px){
.hero-inner{grid-template-columns:1fr}
.services-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:560px){
.services-grid{grid-template-columns:1fr}
.nav a{display:none}
.nav-toggle{display:block}
}