:root{
  --bg:#0b0f17;
  --text:#e7edf6;
  --muted:#9aa4b2;
  --line:rgba(255,255,255,.12);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:var(--bg);
  color:var(--text);
}
.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}
header{
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:24px 0;
}
.logo{
  height:120px; /* TRIPLO */
}
.menu a{
  color:var(--text);
  text-decoration:none;
  margin-left:18px;
  font-weight:500;
}
section{
  padding:60px 0;
}
h1{font-size:42px;margin-bottom:16px}
h2{font-size:28px;margin-bottom:12px}
p{color:var(--muted);line-height:1.6}
footer{
  border-top:1px solid var(--line);
  padding:32px 0;
  margin-top:40px;
  font-size:14px;
}