:root{
  --bg:#0d1117;
  --bg-elev:#111827;
  --card:#0f172a;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --line:#1f2937;
  --brand:#3b82f6;
  --brand-2:#22d3ee;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --max:1120px;
  --step-0: clamp(14px, .9vw + 10px, 16px);
  --step-1: clamp(20px, 1.2vw + 12px, 28px);
  --step-2: clamp(28px, 1.6vw + 16px, 40px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:400 var(--step-0)/1.6 Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:24px}
header{position:sticky;top:0;z-index:40;background:rgba(13,17,23,.7);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand svg{width:28px;height:28px}
.menu{display:flex;gap:12px;align-items:center}
.menu a{color:var(--text);opacity:.9;padding:8px 10px;border-radius:8px}
.menu a.active,.menu a:hover{background:rgba(255,255,255,.04)}
.button{display:inline-block;padding:10px 16px;border-radius:999px;border:1px solid rgba(59,130,246,.5);background:linear-gradient(90deg,#3b82f6,#22d3ee);color:#051225;font-weight:700;box-shadow:0 10px 22px rgba(59,130,246,.25)}
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;padding:36px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.h1{font-size:var(--step-2);line-height:1.15;margin:0 0 12px}
.sub{color:var(--muted);margin:0 0 18px}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:#0b1220;color:#c7d2fe}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.kpi{background:var(--bg-elev);border:1px solid var(--line);border-radius:12px;padding:14px}
.kpi b{display:block;margin-bottom:6px}
.section{padding:20px 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.list{margin:8px 0 0;padding:0;list-style:none}
.list li{padding:6px 0;color:var(--muted)}
.footer{border-top:1px solid var(--line);background:#0b0f14}
.cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
.note{color:#a7f3d0;background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.35);padding:10px 12px;border-radius:10px}
img{max-width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
/* Mobile */
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .menu{display:none}
  .menu.open{display:flex;flex-direction:column;align-items:flex-start}
}
/* Make #contact a single-column section */
#contact .grid-2{
  grid-template-columns: 1fr;
}