body {
  font-family: system-ui, sans-serif;
  margin: 0; padding: 0;
  background: #f8fafc; color: #111827;
}
.container { max-width: 800px; margin: auto; padding: 1rem; }
.site-header, .site-footer { background: #fff; padding: 1rem; border-bottom: 1px solid #e5e7eb; }
.header-inner, .footer-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { width: 40px; margin-right: 0.5rem; }
.brand h1 { margin: 0; font-size: 1.5rem; }
.subtitle { margin: 0; color: #6b7280; }
.hero { text-align: center; padding: 2rem 1rem; }
.hero h2 { margin: 0 0 0.5rem; font-size: 2rem; }
.lead { font-size: 1.1rem; margin-bottom: 1.5rem; }
.form-row { display: flex; }
.form-row input { flex: 1; padding: 0.5rem; font-size: 1rem; }
.form-row button { background: #0ea5e9; border: none; color: white; padding: 0.5rem 1rem; cursor: pointer; }
.features { list-style: none; padding: 0; }
.features li { margin: 0.25rem 0; }
.center-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.card { background: white; padding: 2rem; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,0.1); text-align: center; }
.btn { display: inline-block; background: #0ea5e9; color: #fff; padding: 0.5rem 1rem; text-decoration: none; border-radius: 4px; }