:root{
  --bg:#f8fafc;
  --panel:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --brand1:#3b82f6;
  --brand2:#34d399;
  --accent:#8b5cf6;
  --stroke:#e5e7eb;
  --card:#ffffff;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
}

*{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:1.6}
img{max-width:100%;height:auto;display:block}

.container{max-width:1140px;margin:0 auto;padding:0 20px}
.grid{display:grid;gap:24px}
.section{padding:76px 0}
.card{background:var(--panel);border:1px solid var(--stroke);border-radius:18px;box-shadow:var(--shadow)}

header.site-header{position:sticky;top:0;background:rgba(248,250,252,.9);backdrop-filter:blur(8px);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:10px;text-decoration:none;color:var(--text);font-weight:800;letter-spacing:.4px}
.logo-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand2),var(--brand1))}
.logo-text{font-size:18px}

nav ul{display:flex;gap:16px;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(15,23,42,.06)}

.hero{padding:70px 0 20px}
.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:700;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--brand2),var(--brand1));color:#ffffff}
.btn-ghost{background:#ffffff;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;color:#0f172a}

.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)}

.icon{width:18px;height:18px;display:inline-block;vertical-align:middle}

.footer{border-top:1px solid var(--stroke);padding:28px 0;margin-top:28px;color:#334155;font-size:14px;background:#ffffff}
.footer .grid{grid-template-columns:1fr auto;align-items:center}
.footer a{color:#334155;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:#334155;background:#ffffff}

.form{display:grid;gap:14px}
.input, textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--stroke);background:#ffffff;color:#0f172a}
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(34,197,94,.12);border:1px solid #16a34a;color:#166534}
.error{display:none;margin-top:12px;padding:12px 14px;border-radius:12px;background:rgba(239,68,68,.12);border:1px solid #b91c1c;color:#7f1d1d}

.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}
}