:root {
  --bg: #0b1220;
  --bg-soft: #111827;
  --bg-card: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --brand: #0ea5e9;
  --brand-2: #22d3ee;
  --ok: #10b981;
  --danger: #ef4444;
  --shadow: 0 10px 25px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
body { margin:0; background: linear-gradient(180deg, var(--bg), #0a0f1a 40%, #06080f 100%); color: var(--text); }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1100px, 92%); margin: 0 auto; }
.flex-between { display:flex; align-items:center; justify-content:space-between; gap:1rem; }

.site-header { position: sticky; top:0; backdrop-filter: blur(8px); background: rgba(6,8,15,.7); border-bottom: 1px solid #111827; z-index: 50;}
.brand { display:flex; align-items:center; gap:.6rem; font-weight:700; letter-spacing:.3px; }
.brand-logo { width:34px; height:34px; display:grid; place-items:center; background: linear-gradient(135deg, var(--brand), var(--brand-2)); border-radius:10px; color:#00121a; font-weight:900; }
.brand-text { font-size:1.05rem; }

.main-nav { position:relative; }
.nav-toggle { display:none; background:none; border:1px solid #223; color:var(--text); padding:.4rem .6rem; border-radius:.6rem; }
.nav-menu { display:flex; list-style:none; gap:1rem; padding:0; margin:0; }
.nav-menu a { padding:.6rem .8rem; border-radius:.6rem; }
.nav-menu a:hover { background:rgba(255,255,255,.05); text-decoration:none; }

.theme-toggle { background: none; border:1px solid #223; color:var(--text); padding:.4rem .6rem; border-radius:.6rem; }

.site-main { padding-block: 2rem 3rem; }

.hero { padding: 4rem 0 2rem; display:grid; gap:2rem; grid-template-columns: 1.2fr 1fr; align-items:center; }
.hero h1 { font-size: clamp(2rem, 3.8vw, 3rem); line-height:1.1; margin:0 0 1rem; }
.hero p.lead { color: var(--muted); font-size: clamp(1rem, 2vw, 1.15rem); }
.hero .cta { display:flex; gap:1rem; margin-top:1.5rem; }
.hero .shot { border-radius:1.2rem; overflow:hidden; box-shadow: var(--shadow); border:1px solid #111827; }

.grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap:1.2rem; }
.grid-4 { display:grid; grid-template-columns: repeat(4, 1fr); gap:1.2rem; }
.grid-2 { display:grid; grid-template-columns: repeat(2, 1fr); gap:1.2rem; }
.card { background: linear-gradient(180deg, #0f172a, #0b1220); border:1px solid #111827; border-radius:1rem; padding:1rem; box-shadow: var(--shadow); }
.card h3 { margin:.4rem 0 .6rem; }
.card p { color: var(--muted); }

.section { padding:2.5rem 0 1rem; }
.section h2 { margin:0 0 1rem; font-size:1.6rem; }

.list { margin: .3rem 0 0 1.1rem; color: var(--muted); }

.btn { display:inline-block; padding:.8rem 1rem; border-radius:.8rem; font-weight:700; letter-spacing:.3px; border:1px solid transparent; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color:#00121a; }
.btn-outline { border-color:#1f2937; }
.badge { font-size:.75rem; padding:.25rem .5rem; border:1px solid #1f2937; border-radius:.5rem; color: var(--muted); }

.kpis { display:flex; gap:1rem; flex-wrap:wrap; }
.kpi { padding:1rem; border:1px solid #111827; border-radius:.8rem; background:#0a1020; }

.feature { display:flex; gap:1rem; align-items:flex-start; padding:1rem; border:1px dashed #1f2937; border-radius:1rem; }
.feature strong { color:#e2e8f0; }

.site-footer { padding:2rem 0; border-top:1px solid #111827; background:#06080f; }
.footer-copy { margin-top:1rem; color:#64748b; font-size:.9rem; }

blockquote.ai { border-left: 3px solid var(--brand); padding-left:1rem; color:var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .nav-toggle{display:block;}
  .nav-menu{display:none; position:absolute; right:0; top:48px; background:#0b1220; padding:1rem; border:1px solid #111827; border-radius:.8rem; width:max-content; box-shadow:var(--shadow);}
  .nav-menu.open{display:block;}
}