/* Minimal responsive styling for Wisignal landing page */
:root{
  --bg:#f6fffa; --card:#ffffff; --accent:#22c55e; --muted:#4b5563; --max:1100px;
  --gap:1.25rem;
}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,Segoe UI,Roboto,"Helvetica Neue",Arial, sans-serif;margin:0;background:var(--bg);color:#111}
.container{max-width:var(--max);margin:0 auto;padding:2rem}
.header-row{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:inherit}
.brand-logo{width:36px;height:36px;display:block}
.brand-text{font-weight:700;letter-spacing:.4px;color:var(--accent)}
.nav a{margin-left:1rem;color:var(--muted);text-decoration:none}

/* Header (light-green background) */
.site-header{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(16,24,40,0.06)}
.site-header .container{padding:0.75rem 1rem}
.site-header .brand-text{color:#fff}
.site-header .nav a{color:#fff;margin-left:1rem;padding:.4rem .6rem;border-radius:6px}
.site-header .nav a:hover{background:rgba(255,255,255,0.06);text-decoration:none}
.site-header .nav a.active{background:rgba(255,255,255,0.12)}
.hero{background:linear-gradient(180deg,rgba(34,197,94,0.06),transparent);padding:4rem 0}
.hero h1{font-size:clamp(1.6rem,3.6vw,2.6rem);margin:0 0 .6rem}
.lead{color:var(--muted);margin:0 0 1rem}
.hero-actions{display:flex;gap:.75rem;margin-top:1rem}
.btn{display:inline-block;padding:.6rem 1rem;border-radius:6px;text-decoration:none}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{border:1px solid rgba(34,197,94,0.12);color:var(--accent);background:transparent}
.section{padding:2.5rem 0}
.alt{background:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1rem}
.card{background:var(--card);padding:1rem;border-radius:8px;box-shadow:0 1px 4px rgba(16,24,40,0.04)}
.contact-list{list-style:none;padding:0;margin:0;line-height:1.6}
.site-footer{padding:1.5rem 0;background:transparent;color:var(--muted)}
.small{font-size:.9rem;color:var(--muted)}
@media(min-width:900px){.container{padding:3rem}.hero{padding:6rem 0}.nav a{margin-left:1.25rem}}