:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #000;
  color: #f2f2f2;
}
* { box-sizing: border-box; }
body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  padding: clamp(24px, 6vw, 72px);
  display: flex;
  flex-direction: column;
}
main { width: min(100%, 720px); margin: auto; padding: 48px 0; }
h1 { margin: 0 0 48px; }
h1 img { display: block; width: min(100%, 600px); height: auto; }
p { margin: 0 0 20px; font-size: clamp(16px, 2vw, 18px); line-height: 1.6; }
a { color: inherit; text-underline-offset: 3px; overflow-wrap: anywhere; }
a:hover { color: #b9c9ff; }
a:focus-visible { outline: 2px solid #b9c9ff; outline-offset: 4px; }
footer { width: min(100%, 720px); margin: 0 auto; color: #aaa; font-size: 13px; }
@media (max-width: 480px) { h1 { margin-bottom: 36px; } }