:root{color-scheme:light;font-family:Inter,Segoe UI,system-ui,sans-serif;color:#182a3b;background:#f8fafc;line-height:1.65}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:860px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dbe3ea}header a:first-child{font-size:22px;font-weight:750;color:#143c55;text-decoration:none}nav,footer{display:flex;gap:18px;flex-wrap:wrap}a{color:#0d6474}main{background:white;margin:24px auto;border:1px solid #e1e8ed;border-radius:12px;padding:32px}h1{font-size:30px;line-height:1.2;letter-spacing:-.02em}h2{font-size:19px;margin-top:28px}p,li{font-size:15px}.fecha,small{color:#556775;font-size:13px}.nota{border-left:3px solid #0d6474;padding:12px 16px;background:#f0f7f8}footer{font-size:13px}@media(max-width:600px){main{margin:12px;padding:20px}header,footer{padding:16px}h1{font-size:26px}}