:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --brand1:#22d3ee;
  --brand2:#4f46e5;
  --accent:#34d399;
  --stroke:#1f2a44;
  --card:#111827;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Apple Color Emoji','Segoe UI Emoji',sans-serif;line-height:1.55}
img{max-width:100%;height:auto;display:block}

.container{max-width:1120px;margin:0 auto;padding:0 20px}
.grid{display:grid;gap:24px}
.section{padding:72px 0}
.card{background:var(--panel);border:1px solid var(--stroke);border-radius:18px;box-shadow:var(--shadow)}

header.site-header{position:sticky;top:0;backdrop-filter:blur(10px);background:rgba(11,18,32,.7);border-bottom:1px solid var(--stroke);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-weight:700;letter-spacing:.6px}
.logo-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand1),var(--brand2))}
.logo-text{font-size:18px}

nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
nav a{color:var(--text);text-decoration:none;padding:8px 12px;border-radius:10px}
nav a:hover{background:rgba(255,255,255,.06)}

.hero{padding:64px 0 24px}
.hero-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero h1{font-size:clamp(28px,3.2vw,44px);margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 16px}
.cta{display:flex;gap:12px;margin-top:12px}
.btn{appearance:none;border:0;border-radius:12px;padding:12px 18px;font-weight:600;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#0b1220}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--stroke)}

.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}
.kpi{padding:16px;border-radius:14px;background:var(--card);border:1px solid var(--stroke);text-align:center}
.kpi strong{font-size:22px;display:block}

.h2{font-size:clamp(22px,2.4vw,32px);margin:0 0 10px}
.lead{color:var(--muted);margin:0 0 12px}

.feature{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}
.feature .illus{border-radius:16px;overflow:hidden;border:1px solid var(--stroke)}

.footer{border-top:1px solid var(--stroke);padding:28px 0;margin-top:28px;color:var(--muted);font-size:14px}
.footer .grid{grid-template-columns:1fr auto;align-items:center}
.footer a{color:var(--muted);text-decoration:none}
.footer a:hover{text-decoration:underline}

.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--stroke);border-radius:999px;font-size:13px;color:var(--muted)}
.icon{width:18px;height:18px;display:inline-block;vertical-align:middle}

.form{display:grid;gap:14px}
.input, textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--stroke);background:#0b1228;color:var(--text)}
textarea{min-height:140px;resize:vertical}
.checkbox{display:flex;gap:10px;align-items:flex-start}
.success{display:none;margin-top:12px;padding:12px 14px;border-radius:12px;background:rgba(52,211,153,.12);border:1px solid #065f46;color:#a7f3d0}
.error{display:none;margin-top:12px;padding:12px 14px;border-radius:12px;background:rgba(239,68,68,.12);border:1px solid #7f1d1d;color:#fecaca}

.hero-img{border-radius:18px;overflow:hidden;border:1px solid var(--stroke)}

@media (max-width: 980px){
  .hero-wrap, .feature{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr}
  nav ul{display:none}
}