:root{
  --bg:#ffffff; --muted:#64748b; --accent:#0b74de; --accent-2:#00509e;
  --card:#ffffff; --radius:12px; --container:1120px;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#0f1724;line-height:1.6}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.nav{background:#fff;border-bottom:1px solid #edf2f7;position:sticky;top:0;z-index:50}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.logo{height:36px;width:36px;object-fit:cover;border-radius:6px}
.logo-sm{height:40px}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;padding:8px 6px}
.btn{background:var(--accent);color:#fff;padding:10px 16px;border-radius:9px;text-decoration:none;font-weight:600;display:inline-block}
.btn.ghost{background:transparent;border:1px solid #e6eef8;color:var(--accent-2)}
.btn.small{padding:6px 10px;font-size:14px}
.nav-toggle{display:none;background:none;border:0;font-size:20px}

/* Hero */
.hero{padding:56px 0;background:linear-gradient(180deg,#f7fbff,white)}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:30px;align-items:center}
.hero h1{font-size:34px;margin:0 0 12px}
.lead{color:var(--muted);max-width:54ch}
.hero-img{width:100%;border-radius:12px;box-shadow:0 15px 40px rgba(2,6,23,0.06)}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:40px 0}
.card{background:var(--card);padding:20px;border-radius:12px;box-shadow:0 10px 30px rgba(2,6,23,0.04)}

/* why */
.why{display:grid;grid-template-columns:1fr 320px;gap:30px;padding:30px 0;align-items:center}
.stat{display:flex;gap:12px;background:#fff;padding:16px;border-radius:10px;margin-bottom:12px;box-shadow:0 8px 20px rgba(2,6,23,0.04)}
.stat-number{font-weight:700;font-size:22px;width:44px;height:44px;border-radius:8px;background:#f1f5f9;display:flex;align-items:center;justify-content:center}

/* portfolio */
.portfolio-preview .grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.pf-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 8px 30px rgba(2,6,23,0.04);padding:0}
.pf-card img{width:100%;height:160px;object-fit:cover}
.pf-card h4{margin:12px 16px 6px}
.pf-card p{margin:0 16px 16px;color:var(--muted)}

/* generic grid */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* footer */
.footer{background:#f8fafc;padding:28px 0;margin-top:40px;border-top:1px solid #eef2f6}
.footer-grid{display:grid;grid-template-columns:1fr 140px 180px;gap:20px;align-items:start}
.links{list-style:none;padding:0;margin:0}
.links li{margin:8px 0}
.copyright{text-align:center;padding:14px 0;color:#9aa6b2;border-top:1px solid #eef2f6}

/* contact form */
.contact-form{max-width:720px;margin:20px auto;display:grid;gap:10px}
.contact-form input, .contact-form textarea{padding:12px;border-radius:8px;border:1px solid #e6eef8}
.contact-form label{font-weight:600;color:#0f1724}

/* responsive */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-toggle{display:block}
}