:root { --bg: #fff; --ink: #1b1b1b; --muted: #5d6b63; --accent: #1EB53A; }
@media (prefers-color-scheme: dark) { :root { --bg: #0b141a; --ink: #e9edef; --muted: #9aa8a0; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 26px; } h2 { font-size: 18px; margin-top: 28px; }
.lead { color: var(--muted); } hr { border: 0; border-top: 4px solid var(--accent); margin: 40px 0; }
a { color: #00A3DD; }