:root{font-family:Arial,Helvetica,sans-serif;color:#e8f2f7;background:#0c1821;line-height:1.65}*{box-sizing:border-box}body{margin:0}header,footer{padding:24px max(24px,calc((100% - 900px)/2));background:#122b3b}a{color:#68ddeb;text-underline-offset:4px}.marca{text-decoration:none;font-size:26px;letter-spacing:6px;font-weight:bold}.marca span{display:block;font-size:10px;letter-spacing:4px;color:#bdced8}main{max-width:948px;margin:auto;padding:48px 24px 64px}h1{font-size:clamp(30px,5vw,44px);line-height:1.18;max-width:800px;margin:12px 0 28px}h2{font-size:23px;line-height:1.3;color:#94e7ee}.etiqueta{color:#68ddeb;letter-spacing:3px;font-size:13px;font-weight:bold}.entrada{font-size:20px;color:#c8dce7}section{margin:28px 0;padding:22px 26px;background:#132936;border:1px solid #315061;border-radius:12px}section p:last-child{margin-bottom:0}.boton{display:inline-block;padding:12px 20px;border:1px solid #68ddeb;border-radius:7px;text-decoration:none}footer{font-size:14px;color:#bdced8}@media(max-width:500px){section{padding:18px}main{padding-top:28px}}