:root{--bg:#0f1115;--fg:#e7ebf0;--accent:#4aa3ff}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg)}
.wrap{max-width:680px;margin:14vh auto;padding:0 24px}
h1{font-size:2.4rem;margin:0 0 .2em;letter-spacing:-.02em}
.lead{font-size:1.2rem;color:#9aa6b2}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
footer{margin-top:3rem;color:#6b7681;font-size:.85rem}