:root{--bg:#0C1016;--card:#141A23;--ink:#E8ECF3;--muted:#8A94A3;--line:#242C38;--ai:#7E8FFF}
@media (prefers-color-scheme:light){:root{--bg:#F4F6F9;--card:#fff;--ink:#131820;--muted:#616C7C;--line:#DCE1EA;--ai:#2A40D6}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.65;font-size:16px}
.wrap{max-width:760px;margin:0 auto;padding:48px 22px 80px}
.brand{font-weight:750;font-size:1.05rem;letter-spacing:-.02em;margin-bottom:32px}
.brand span{color:var(--ai)}
h1{font-size:1.9rem;letter-spacing:-.025em;margin:0 0 6px}
.fecha{color:var(--muted);font-size:.85rem;margin:0 0 32px}
h2{font-size:1.12rem;margin:34px 0 10px;letter-spacing:-.015em}
p,li{color:var(--ink);opacity:.92}
ul{padding-left:20px}
li{margin:6px 0}
a{color:var(--ai)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:22px 0}
.card p:last-child{margin-bottom:0}
.card p:first-child{margin-top:0}
footer{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
footer a{margin-right:16px}