:root { color-scheme:dark; --ink:#eef2ff; --muted:#aab4cf; --panel:#161d33; --line:#33405e; --accent:#e3ff6a; }
* { box-sizing:border-box; }
body { margin:0; min-width:320px; background:#0b1020; color:var(--ink); font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
main { width:min(760px,calc(100% - 2rem)); margin:0 auto; padding:2.5rem 0 4rem; }
header { display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-bottom:3rem; }
.brand { color:var(--ink); font-size:1rem; font-weight:800; letter-spacing:.04em; text-decoration:none; text-transform:uppercase; }
.brand span { color:var(--accent); }
.back { color:var(--muted); text-decoration:none; }
.back:hover,a:hover { color:var(--accent); }
h1 { margin:0 0 1rem; font-size:clamp(2.2rem,7vw,4.5rem); line-height:1; letter-spacing:-.05em; }
h2 { margin:2rem 0 .65rem; font-size:1.2rem; }
p,li { color:var(--muted); line-height:1.7; }
a { color:var(--ink); }
.panel { margin-top:2rem; padding:1.25rem; background:var(--panel); border:1px solid var(--line); border-radius:16px; }
.panel p:first-child { margin-top:0; }
.panel p:last-child { margin-bottom:0; }
footer { display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-top:3rem; padding-top:1.25rem; border-top:1px solid var(--line); color:var(--muted); font-size:.86rem; }
nav { display:flex; gap:1rem; flex-wrap:wrap; }
nav a { color:var(--ink); text-decoration:none; }
@media (max-width:620px) { main { width:min(100% - 1.25rem,760px); padding-top:1.25rem; } header,footer { align-items:flex-start; flex-direction:column; } }