*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#1a1a1a;background:#fff;line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
header{background:#111;color:#fff;padding:1rem 1.5rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}
header .logo{font-weight:700;font-size:1.15rem}
nav a{color:inherit;text-decoration:none;margin-left:1.25rem;font-size:.95rem}
main{max-width:1100px;margin:2.5rem auto;padding:0 1.25rem}
h1{font-size:2rem;margin-bottom:.75rem}
h2{margin:1.5rem 0 .5rem}
p{margin-bottom:1rem}
.btn,button{display:inline-block;background:#111;color:#fff;padding:.7rem 1.4rem;border:0;border-radius:8px;text-decoration:none;cursor:pointer}
footer{background:#111;color:#cfcfcf;text-align:center;padding:2rem 1.25rem;margin-top:3rem;font-size:.9rem}
footer nav a{margin:0 .6rem}
@media(max-width:600px){main{margin:1.5rem auto}h1{font-size:1.6rem}}