:root{--color-primary:#4f46e5;--color-secondary:#7c3aed;--color-background:#ffffff;--color-foreground:#0f172a;--font-heading:system-ui,sans-serif;--font-body:system-ui,sans-serif;--radius:0.5rem}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background:var(--color-background);color:var(--color-foreground)}.btn-primary{display:inline-block;padding:.75rem 1.5rem;background:var(--color-primary);color:#fff;border-radius:var(--radius);text-decoration:none;font-weight:600}.hero{min-height:80vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:var(--color-background);border-bottom:1px solid #e2e8f0}.site-header__inner{max-width:1100px;margin:0 auto;padding:0 1.5rem;height:64px;display:flex;align-items:center;justify-content:space-between}.site-header__logo{font-family:var(--font-heading);font-weight:700;font-size:1.25rem;color:var(--color-foreground);text-decoration:none;letter-spacing:-.02em}.site-header__nav{display:flex;align-items:center;gap:1.5rem}.site-header__nav a{color:var(--color-foreground);text-decoration:none;font-size:.9rem;opacity:.7;transition:opacity .15s}.site-header__nav a:hover{opacity:1}.btn-primary--sm{padding:.5rem 1rem;font-size:.875rem;opacity:1!important}.site-footer{background:var(--color-foreground);color:#e2e8f0}.site-footer__inner{max-width:1100px;margin:0 auto;padding:2.5rem 1.5rem;display:flex;flex-direction:column;align-items:center;gap:.75rem;text-align:center}.site-footer__brand{font-family:var(--font-heading);font-weight:700;font-size:1.1rem;margin:0;color:#fff}.site-footer__copy{margin:0;font-size:.85rem;opacity:.6}.site-footer__links{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}.site-footer__links a{color:#e2e8f0;text-decoration:none;font-size:.85rem;opacity:.7;transition:opacity .15s}.site-footer__links a:hover{opacity:1}