:root{--color-bg:#f7f6f8;--color-text:#111827;--color-primary:#2d39b7;--color-secondary:#814dcb;--color-accent:#95b72d;}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Roboto,Inter,Arial,sans-serif;background:var(--color-bg);color:var(--color-text)}
.container{max-width:1100px;margin:0 auto;padding:24px}header.site-header{position:sticky;top:0;background:rgba(255,255,255,0.9);backdrop-filter:blur(4px);border-bottom:1px solid rgba(0,0,0,0.05)}.header-inner{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:12px 24px}.nav a{margin:0 10px;font-weight:600}.cta-btn{background:var(--color-primary);color:white;padding:10px 16px;border-radius:8px;border:none;cursor:pointer}footer.site-footer{padding:28px;background:#fff;margin-top:40px;border-top:1px solid rgba(0,0,0,0.05)}@media(max-width:800px){.nav{display:none}}