body{margin:0;font-family:Arial,sans-serif;background:#090909;color:#fff}header{position:fixed;top:0;width:100%;display:flex;justify-content:space-between;padding:18px 5%;background:rgba(0,0,0,.5);backdrop-filter:blur(10px)}nav{display:flex;gap:18px;flex-wrap:wrap}a{color:#fff;text-decoration:none}.hero{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle,#6b0f1a,#090909)}.content{text-align:center;padding:20px}.btn{background:#b3122f;padding:14px 24px;border-radius:8px;display:inline-block;margin:8px}.alt{background:transparent;border:1px solid #fff}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:20px}.cards article,.panel{background:#151515;padding:24px;border-radius:12px}section{padding:80px 5%}@media(max-width:768px){header{flex-direction:column}nav{justify-content:center}}