:root { --bg:#0b0f16; --fg:#e9eef5; --muted:#91a4b7; }
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial}
.container{max-width:720px;margin:10vh auto;padding:24px}
h1{font-size:2.2rem;margin:0 0 8px}
p{color:var(--muted);margin:0 0 12px}
a{color:#6ab3ff;text-decoration:none}
a:hover{text-decoration:underline}