:root { color-scheme: dark; --accent: #ffc21a; --muted: #8a8a8a; }
* { box-sizing: border-box; }
body { margin: 0; background: #000; color: #f2f2f2; font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif; }
main { max-width: 34rem; margin: 0 auto; padding: 4.5rem 1.5rem 6rem; }
.mark { display: block; width: 3.5rem; height: 3.5rem; border-radius: 0.9rem; margin-bottom: 2rem; }
h1 { font-size: 2rem; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5rem; }
h2 { font-size: 1rem; margin: 2.25rem 0 0.4rem; }
p, li { margin: 0 0 0.75rem; color: #d6d6d6; }
ul { padding-left: 1.1rem; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.lede { color: var(--muted); margin-bottom: 2.5rem; }
footer { margin-top: 4rem; color: var(--muted); font-size: 0.875rem; }
footer a { color: var(--muted); }