:root{
  --bg:#0c0f14;
  --text:#e9eef7;
  --muted:#8b93a7;
  --accent:#00e3a2;
  --accent2:#4ae3ff;
}
html,body{
  margin:0; padding:0;
  height:100%;
  font-family: system-ui,Segoe UI,Helvetica,Arial,sans-serif;
  background: var(--bg);
  color: var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.container{
  max-width:800px;
  padding:32px;
}
h1{ font-size:2.5rem; margin-bottom:0.5em; }
.tagline{ font-size:1.2rem; color:var(--muted); margin-bottom:1.5em; }
a{ color:var(--accent2); text-decoration:none; }
a:hover{ text-decoration:underline; }
footer{ margin-top:2em; font-size:0.9rem; color:var(--muted); }