:root{--ink:#101828;--muted:#667085;--primary:#7357ff}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% -20%,#ddd7ff,transparent 38%),#f4f6f9;color:var(--ink);font:16px Inter,"Segoe UI",system-ui}nav{max-width:1080px;height:66px;margin:14px auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;border:1px solid #e4e7ec;border-radius:18px;background:#fff;box-shadow:0 12px 35px #10182812}nav a,footer a{color:inherit;text-decoration:none}.brand{display:flex;align-items:center;gap:9px;font-size:22px;font-weight:900;letter-spacing:-1px}.brand img{width:35px}.brand span{color:var(--primary)}main{max-width:780px;margin:70px auto;padding:48px;background:#fff;border:1px solid #e4e7ec;border-radius:28px;box-shadow:0 25px 65px #10182815}.eyebrow{color:var(--primary);font-size:12px;font-weight:900;letter-spacing:.12em}h1{margin:14px 0 20px;font-size:48px;line-height:1;letter-spacing:-2.5px}p{color:var(--muted);line-height:1.75}section{margin-top:42px}details{padding:18px 0;border-top:1px solid #e5e7eb}summary{font-weight:800;cursor:pointer}footer{display:flex;justify-content:center;gap:25px;padding:25px;color:var(--muted);font-size:14px}@media(max-width:800px){nav{margin:8px 10px}main{margin:35px 12px;padding:30px 22px;border-radius:22px}h1{font-size:38px}footer{flex-wrap:wrap}}