/* Base styles */ body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:0;color:#111;background:#fff} a{text-decoration:none;color:inherit} .container{max-width:980px;margin:auto;padding:16px} header{border-bottom:1px solid #e5e7eb} nav{display:flex;justify-content:space-between;align-items:center} .cta{background:#111;color:#fff;padding:10px 14px;border-radius:10px} footer{border-top:1px solid #e5e7eb;margin-top:40px;padding:16px;color:#555}