:root{--bg:#0e1116;--fg:#e8edf2;--dim:#93a1b0;--accent:#ff6a2b;--line:#1d2430}
@media (prefers-color-scheme:light){:root{--bg:#f6f4f1;--fg:#1b232c;--dim:#5d6b79;--accent:#e24d0d;--line:#e3ded8}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--bg);color:var(--fg);font:18px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
background-image:radial-gradient(circle at 50% 0,var(--line),transparent 60%)}
main{max-width:520px;text-align:center}
.logo{width:64px;height:64px;margin:0 auto 8px;color:var(--accent)}
h1{margin:0;font-size:clamp(28px,8vw,52px);letter-spacing:.02em}
.tag{margin:4px 0 20px;color:var(--accent);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:15px}
.desc{margin:0 0 32px;color:var(--dim)}
.call{display:inline-block;padding:12px 26px;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;text-decoration:none}
.call:hover,.call:focus-visible{filter:brightness(1.1)}