:root{
  --primary:#004a99;
  --secondary:#25D366;
  --dark:#1a1a1a;
  --light:#f4f4f4;
}
html,body{height:100%;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;margin:0;background:var(--light);color:var(--dark);-webkit-font-smoothing:antialiased}
header{background:var(--primary);color:#fff;padding:2rem 1rem;text-align:center;border-bottom:4px solid #003366}
.light{font-weight:300}
.container{max-width:540px;margin:1.2rem auto;padding:1rem}
.card{background:#fff;padding:1.2rem;border-radius:10px;box-shadow:0 2px 6px rgba(0,0,0,0.08);margin-bottom:1rem}
h1{margin:0;font-size:1.8rem}
h2{color:var(--primary);font-size:1.1rem;margin-top:0}
label{display:block;margin-bottom:6px;font-weight:600;font-size:.95rem}
input,select,textarea{width:100%;padding:.7rem;margin-bottom:.9rem;border:1px solid #d0d0d0;border-radius:8px;box-sizing:border-box;font-size:1rem}
.btn{background:var(--secondary);color:#fff;border:none;width:100%;padding:.85rem;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;text-align:center}
.btn:active{transform:translateY(1px)}
.features{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-bottom:1rem}
.feature-item{background:#e9ecef;padding:.6rem;border-radius:8px;text-align:center;font-size:.9rem;font-weight:700}
footer{text-align:center;padding:1.6rem;font-size:.85rem;color:#666}
.phone-link{color:inherit;text-decoration:none;font-weight:700}

/* Accessibility & small screens */
@media (max-width:420px){.container{padding:.8rem}h1{font-size:1.4rem}.features{grid-template-columns:1fr}}