:root { color-scheme: dark; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #10131b; color: #f3f5fa; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse at 95% 0%, #23334f 0%, transparent 55%); min-height: 100vh; }
main { max-width: 800px; margin: 0 auto; padding: 36px 26px 24px; }
header { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 650; }
.mark { background: #283b57; color: #9cc7ff; border-radius: 10px; padding: 8px 10px; font-family: monospace; }
.platform { margin-left: auto; font-size: 11px; letter-spacing: 2px; color: #a2afc2; }
.hero { padding: 70px 0 42px; }
.eyebrow { color: #9cc7ff; font-size: 12px; font-weight: 650; letter-spacing: 2px; }
h1 { font-size: clamp(46px, 9vw, 78px); line-height: 1.05; letter-spacing: -3px; margin: 20px 0; }
.intro { max-width: 550px; color: #b8c3d4; font-size: 19px; line-height: 1.65; margin: 24px 0 32px; }
.download { display: inline-flex; gap: 26px; justify-content: space-between; align-items: center; color: #10131b; background: #a4caff; border-radius: 12px; padding: 17px 22px; text-decoration: none; font-weight: 700; }
.download:hover { background: #c1dcff; }
a:focus-visible { outline: 3px solid #fff; outline-offset: 5px; }
.metadata { color: #a2afc2; font-size: 12px; line-height: 1.7; margin-top: 16px; }
.setup { border: 1px solid #303b4d; border-radius: 18px; background: #171d28; padding: 26px 28px; }
h2 { font-size: 20px; margin: 0 0 22px; letter-spacing: -.3px; }
ol { padding-left: 22px; margin: 0; }
li { color: #b8c3d4; padding-left: 7px; line-height: 1.65; margin-bottom: 20px; }
li:last-child { margin-bottom: 0; }
li::marker { color: #9cc7ff; font-weight: 700; }
strong { color: #f3f5fa; }
code { display: block; overflow-wrap: anywhere; margin-top: 12px; padding: 12px 14px; border-radius: 8px; background: #10131b; color: #a4caff; font-size: 14px; user-select: all; }
footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; padding: 28px 0; font-size: 12px; color: #a2afc2; }
footer a { color: #a4caff; text-underline-offset: 3px; }
@media (max-width: 480px) { main { padding: 24px 20px 12px; } .hero { padding-top: 48px; } .intro { font-size: 17px; } .setup { padding: 24px 20px; } .download { width: 100%; } }