:root{
  --bg:#0b1020;--card:#0f172a;--muted:#94a3b8;--text:#e2e8f0;--ring:#273449;--brand:#22d3ee;
}
@media (prefers-color-scheme: light){
  :root{--bg:#ffffff;--card:#f8fafc;--muted:#475569;--text:#0f172a;--ring:#cbd5e1;--brand:#0ea5e9;}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{color:inherit;text-decoration:none}
.container{max-width:1000px;margin:0 auto;padding:24px}
.site-header{position:sticky;top:0;background:rgba(15,23,42,.7);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--ring);z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:700;letter-spacing:.2px}
nav a{padding:10px 12px;border-radius:10px}
nav a:hover{background:rgba(148,163,184,.14)}
.hero{padding:48px 0}
.lead{color:var(--muted);max-width:60ch}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--ring);border-radius:16px;padding:18px}
.more{display:inline-block;margin-top:8px;border:1px solid var(--ring);padding:10px 12px;border-radius:10px}
.more:hover{transform:translateY(-1px)}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.kpi{border:1px dashed var(--ring);border-radius:12px;padding:12px;color:var(--muted);display:flex;flex-direction:column;gap:4px;align-items:flex-start}
.site-footer{border-top:1px solid var(--ring);margin-top:24px}
.ad-placeholder{border:2px dashed var(--ring);border-radius:12px;padding:18px;color:var(--muted);text-align:center;margin:12px 0}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:700px){form .row{grid-template-columns:1fr}}
input, textarea{width:100%;background:transparent;color:var(--text);border:1px solid var(--ring);border-radius:10px;padding:12px}
label{display:block;margin:10px 0 6px;color:var(--muted)}
button{padding:12px 16px;border-radius:12px;border:1px solid var(--ring);background:linear-gradient(135deg,var(--brand),#a78bfa);color:#0b1020;font-weight:700}
small.muted{color:var(--muted)}