:root { --max: 980px; --pad: 20px; }
* { box-sizing: border-box; }
body{
  margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.5; color:#111; background:#fff;
}
header{ position: sticky; top:0; background:#fff; border-bottom:1px solid #eee; }
nav{
  max-width: var(--max); margin:0 auto; padding:12px var(--pad);
  display:flex; gap:14px; align-items:center; flex-wrap:wrap;
}
nav a{ color:#111; text-decoration:none; padding:6px 8px; border-radius:8px; }
nav a:hover{ background:#f3f4f6; }
nav .spacer{ flex: 1; }
main{ max-width: var(--max); margin:0 auto; padding:34px var(--pad) 60px; }
h1{ font-size: clamp(28px, 3vw, 42px); margin:0 0 14px; }
h2{ margin:28px 0 10px; }
h3{ margin:10px 0 6px; }
p{ margin:10px 0; font-size:18px; }
.grid{
  display:grid; gap:14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top:16px;
}
.card{ border:1px solid #eee; border-radius:16px; padding:16px; }
.badge{
  display:inline-block; font-size:13px; padding:4px 10px; border-radius:999px;
  background:#f3f4f6; margin-bottom:10px;
}
.cta{
  display:inline-block; margin-top:14px;
  background:#111; color:#fff; text-decoration:none;
  padding:12px 16px; border-radius:12px;
}
.cta:hover{ opacity:0.92; }
.small{ font-size:14px; color:#555; }
footer{
  border-top:1px solid #eee;
  max-width: var(--max); margin:0 auto; padding:18px var(--pad);
  color:#666; font-size:14px;
}
form{ display:grid; gap:10px; max-width:640px; margin-top:12px; }
label{ display:grid; gap:6px; }
input, textarea{
  width:100%; padding:12px 12px; border:1px solid #ddd; border-radius:12px;
  font: inherit;
}
button{
  width:fit-content; padding:12px 16px; border:0; border-radius:12px;
  background:#111; color:#fff; font: inherit; cursor:pointer;
}
button:hover{ opacity:0.92; }