:root{
  --primary:#1d4ed8; /* deep professional blue */
  --secondary:#16a34a; /* fresh green */
  --text:#0f172a;
  --muted:#64748b;
  --bg:#f9fafb;
  --card:#ffffff;
  --radius:14px;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--bg);
}
.container{max-width:1200px;margin:0 auto;padding:24px}
.site-header{background:#fff;position:sticky;top:0;z-index:20;padding:14px 0;box-shadow:0 1px 4px rgba(0,0,0,0.05)}
.header-inner{display:flex;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.brand{font-weight:700;font-size:18px;color:var(--primary)}
.nav{margin-left:auto;display:flex;gap:20px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;transition:color .2s}
.nav a:hover{color:var(--primary)}
.cta{background:var(--primary);color:#fff;padding:10px 16px;border-radius:var(--radius);text-decoration:none;font-weight:700;box-shadow:0 2px 6px rgba(0,0,0,0.1)}
.cta:hover{background:#153eaa}
.hero{padding:60px 0;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}
.hero-inner{display:flex;gap:32px;align-items:center}
.hero-text{flex:1}
.hero-text h1{font-size:40px;margin:0 0 16px}
.hero-text p{line-height:1.6;font-size:18px}
.btn{display:inline-block;padding:12px 20px;border-radius:var(--radius);background:#fff;color:var(--primary);text-decoration:none;font-weight:700;margin-top:16px}
.btn:hover{background:#f1f5f9}
.hero-visual{width:420px;height:260px;border-radius:18px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,0.2);background:#fff}
.section{padding:50px 0}
.section-title{font-size:26px;margin-bottom:24px;color:var(--primary)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.card{background:var(--card);padding:22px;border-radius:var(--radius);box-shadow:0 8px 24px rgba(0,0,0,0.06);transition:transform .2s}
.card:hover{transform:translateY(-4px)}
.about-inner{display:flex;gap:24px;align-items:flex-start}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.contact-form label{display:block;margin-bottom:12px;font-weight:600;color:var(--text)}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid #d1d5db;background:#fff;margin-top:6px;font-size:15px}
.note{font-size:13px;color:var(--muted);margin-top:10px}
.site-footer{border-top:1px solid #e5e7eb;padding:22px 0;margin-top:24px;background:#fff}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer-nav a{color:var(--muted);text-decoration:none;margin-left:14px}
.footer-nav a:hover{color:var(--primary)}
@media (max-width:900px){
  .hero-inner{flex-direction:column}
  .contact-grid{grid-template-columns:1fr}
  .nav{display:none}
}