:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background:#07150f; color:#eefbf4; }
body { margin:0; line-height:1.65; }
main { max-width:820px; margin:auto; padding:48px 22px 80px; }
h1,h2 { line-height:1.2; color:#78e6bc; }
h1 { font-size:2.1rem; }
a { color:#7ee8ff; }
.card { background:#0d2119; border:1px solid #285541; border-radius:16px; padding:22px; margin:20px 0; }
.muted { color:#aac2b7; }
nav a { margin-right:16px; }