:root { color-scheme: light dark; --background: #f6f9f7; --glow: #dcefe733; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: radial-gradient(ellipse at 50% 44%, var(--glow), transparent 60%), var(--background); }
main { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.logo { display: block; width: clamp(280px, 38vw, 480px); max-width: 100%; height: auto; }
@media (prefers-color-scheme: dark) { :root { --background: #0a1718; --glow: #1c685533; } }