:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --brand: #A51F3C;
  --accent: #20262D;
  --line: #e2e8f0;
  --container: 1160px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: "Space Grotesk", "IBM Plex Sans", system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; }
.container { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; }
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.topbar-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.nav-toggle { display: none; }
.nav-list { display: flex; list-style: none; margin: 0; padding: 0; gap: 1rem; }
.nav-list a { text-decoration: none; color: var(--muted); font-weight: 600; }
.nav-list a.is-active, .nav-list a:hover { color: var(--brand); }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: .65rem 1.15rem; text-decoration: none; font-weight: 700; }
.btn-primary { background: var(--brand); color: #fff; }
.footer { border-top: 1px solid var(--line); background: #fff; padding: 2rem 0; margin-top: 4rem; color: var(--muted); }
.footer-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: .45rem .7rem; }
  .nav-list { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: .8rem 1rem; flex-direction: column; }
  .nav-list.is-open { display: flex; }
}