:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; min-height: 100svh; display: grid; place-items: center; background: #f8fafc; color: #172b33; }
main { max-width: 30rem; padding: 2rem; }
.eyebrow { color: #49636e; font-size: .875rem; }
h1 { margin: .5rem 0 1rem; font-size: clamp(2rem, 6vw, 3rem); letter-spacing: -.04em; }
p { line-height: 1.6; }
a { color: #087f73; text-underline-offset: .25em; display: inline-block; padding: .75rem 0; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: .3rem; }
@media (prefers-color-scheme: dark) {
    body { background: #111b21; color: #edf4f7; }
    .eyebrow { color: #a4b8c2; }
    a { color: #6ee7d5; }
}