:root { --bg: #0b0e13; --text: #edf1f7; --muted: #8b97aa; --accent: #5cc8ff; --line: #242d3b; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 56px; height: 56px; }
h1 { margin: 0; font-size: 30px; letter-spacing: -0.02em; }
h2 { margin-top: 32px; font-size: 19px; }
p, li { color: #cfd6e2; }
.muted { color: var(--muted); }
a { color: var(--accent); }
nav { display: flex; gap: 18px; margin-top: 8px; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }