:root{
  --bg:#0c0b16;
  --ink:#ffffff;
  --muted:rgba(255,255,255,.7);
  --edge:rgba(255,255,255,.12);
  --fx-1:#d946ef; /* fuchsia */
  --fx-2:#6366f1; /* indigo */
  --fx-3:#06b6d4; /* cyan */
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;scroll-behavior:smooth;overflow-x:hidden}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;width:100%;max-width:100vw}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1{font-size:3.5rem;line-height:1.2;font-weight:800;margin:0}
h2{font-size:2.5rem;line-height:1.3;font-weight:700;margin:0}
h3{font-size:1.75rem;line-height:1.4;font-weight:600;margin:0}
p{margin:0 0 1.5rem 0;line-height:1.8}
@media(min-width:768px){
  h1{font-size:4rem}
  h2{font-size:3rem}
  h3{font-size:2rem}
}