/* Simple responsive CSS for EnvikeTech static site */
:root{
  --bg:#ffffff;
  --muted:#6b7280;
  --accent:#4f46e5;
  --accent-2:#c7d2fe;
  --container:1100px;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#111827;background:var(--bg);line-height:1.5}
.container{max-width:var(--container);margin:0 auto;padding:24px}
.header-row{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo{width:44px;height:44px}
.brand-name{font-weight:700}
.site-nav{display:flex;gap:16px;align-items:center}
.site-nav a{color:var(--muted);text-decoration:none}
.site-nav a.cta{background:var(--accent);color:white;padding:8px 12px;border-radius:8px}
.site-header{border-bottom:1px solid #e6e9ee;background:#fff;position:sticky;top:0;z-index:30}
.nav-toggle{display:none;background:none;border:0;font-size:22px}
.hero{padding:48px 0}
.hero-inner{display:flex;gap:32px;align-items:center}
.hero-copy h1{font-size:32px;margin:0 0 12px}
.hero-copy p{color:var(--muted);max-width:56ch}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:#fff;padding:18px;border-radius:12px;border:1px solid #eef2ff}
.product{padding:16px;background:#f8fafc}
.lead{color:var(--muted)}
.cards h2{margin-top:0}
.center{text-align:center}
.btn{display:inline-block;background:var(--accent);color:white;padding:10px 16px;border-radius:8px;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid #e6e9ee;color:var(--accent)}
.site-footer{border-top:1px solid #e6e9ee;padding:24px 0;margin-top:40px}
.footer-row{display:flex;justify-content:space-between;gap:16px;align-items:center}
.footer-links a{margin-left:12px;color:var(--muted);text-decoration:none}
/* Contact form */
.contact-grid{grid-template-columns:1fr 320px}
.contact-form label{display:block;margin-top:12px}
.contact-form input,.contact-form textarea{width:100%;padding:8px;border-radius:8px;border:1px solid #e6e9ee}
.contact-info{padding:16px;background:#fff;border-radius:12px;border:1px solid #eef2ff}
/* Responsive */
@media (max-width:900px){
  .hero-inner{flex-direction:column}
  .nav-toggle{display:block}
  .site-nav{position:absolute;right:24px;top:64px;background:#fff;border:1px solid #eef2ff;padding:8px;border-radius:8px;display:none;flex-direction:column}
  .site-nav.show{display:flex}
  .header-row{position:relative}
  .contact-grid{grid-template-columns:1fr}
}