:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1f2a44;
  --muted: #6b7280;
  --border: #e2e5ea;
  --primary: #1f2a44;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; }
.logo { font-weight: 700; letter-spacing: 0.2px; }
.nav a { margin-left: 16px; text-decoration: none; color: var(--text); }
.btn { background: var(--primary); color: #fff; padding: 10px 14px; border-radius: 6px; text-decoration: none; border: none; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.hero { padding: 60px 0; }
.sub { color: var(--muted); font-size: 18px; }
.badge { display: inline-block; margin: 12px 0 18px; padding: 6px 10px; background: #eef2f7; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; }
.section { padding: 50px 0; }
.section.alt { background: #eef1f6; }
.grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.list { padding-left: 18px; }
.form input, .form textarea {
  width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; background: #fff;
}
.footer { border-top: 1px solid var(--border); background: var(--surface); padding: 20px 0; font-size: 13px; color: var(--muted); }
.fineprint { font-size: 12px; color: var(--muted); }
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav { display: none; }
}