body{margin:0;font-family:system-ui,Arial,sans-serif;background:#06152c;color:#fff}
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;
background:linear-gradient(rgba(5,15,35,.6),rgba(5,15,35,.8)),radial-gradient(circle at top,#1d3f7a,#06152c);}
h1{font-size:3rem} .tag,.lead{font-size:1.3rem;text-align:center}
.button{padding:14px 24px;background:#5068a8;color:#fff;text-decoration:none;border-radius:28px;margin-top:20px}
section{max-width:900px;margin:auto;padding:40px;line-height:1.6}
footer{text-align:center;padding:24px;color:#ccd}