:root { --primary: #0b5fff; --text: #1d2433; --muted: #6b7280; --bg: #ffffff; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol'; color: var(--text); background: var(--bg); }
.container { max-width: 1080px; margin: 0 auto; padding: 24px; }
.site-header { border-bottom: 1px solid #e5e7eb; background: #fff; position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; gap: 24px; padding: 12px 16px; }
.logo-img { width: 48px; height: 48px; }
.nav-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 16px; }
.nav-links a { text-decoration: none; color: var(--text); font-weight: 600; }
.nav-links a:hover { color: var(--primary); }
.hero { display: grid; gap: 12px; padding: 40px 0; }
.cta-row { display: flex; gap: 12px; }
.btn { display: inline-block; padding: 10px 16px; border-radius: 8px; border: 1px solid #e5e7eb; text-decoration: none; color: var(--text); }
.btn.primary { background: var(--primary); color: white; border-color: var(--primary); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; padding: 16px 0 32px; }
.feature { border: 1px solid #e5e7eb; border-radius: 12px; padding: 16px; background: #fff; }
.page-header { padding: 32px 0 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.site-footer { border-top: 1px solid #e5e7eb; padding: 24px 16px; text-align: center; color: var(--muted); }
@media (max-width: 640px) {
  .nav { flex-wrap: wrap; }
  .nav-links { flex-wrap: wrap; }
}