*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,sans-serif;color:#1b1f23;background:#fff}
a{color:#0b5cad}header,main,footer{max-width:46rem;margin:auto;padding:1rem}
header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;border-bottom:1px solid #ddd}
.brand{font-weight:700;text-decoration:none;color:#1b1f23}nav a{margin-right:.8rem}
.call{display:inline-block;background:#c0392b;color:#fff;padding:.6rem 1rem;border-radius:6px;text-decoration:none;font-weight:700}
h1{line-height:1.25;font-size:1.7rem}ul.grid{padding-left:1.2rem}
.note{background:#f4f6f8;padding:.8rem 1rem;border-radius:6px;font-size:.95rem}
form label{display:block;margin:.7rem 0 .2rem}input,select,textarea{width:100%;padding:.55rem;font:inherit;border:1px solid #999;border-radius:4px}
button{margin-top:1rem;font:inherit;padding:.6rem 1.2rem;border:0;border-radius:6px;background:#0b5cad;color:#fff}
footer{border-top:1px solid #ddd;font-size:.9rem;color:#555}
@media(min-width:40rem){h1{font-size:2rem}}