:root{--navy:#1d2a41;--cyan:#00a2d5;--cyan-ink:#0a6e91;--spark:#f04923;--daylight:#ecf8fe;--canvas:#f4f7fb;--surface:#fbfcfe;--border:#d8e0ea;--muted:#647488;--sans:"Public Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--sans);color:var(--navy);background:radial-gradient(1100px 560px at 72% -12%,var(--daylight),transparent 62%),var(--canvas);-webkit-font-smoothing:antialiased}.shell,body{min-height:100vh}.shell{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.75rem;padding:2rem}.card{max-width:640px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2.5rem;box-shadow:0 8px 24px rgba(29,42,65,.1)}.mark{font-size:2rem;color:var(--cyan);line-height:1}.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:700;color:var(--cyan-ink);margin:1rem 0 .5rem}h1{font-size:2.25rem;line-height:1.1;margin:0 0 1rem}.spark{color:var(--spark)}.lede{color:var(--muted);font-size:1.05rem;line-height:1.6;margin:0 0 1.75rem}.row{display:flex;gap:1rem;flex-wrap:wrap}.btn,.row{align-items:center}.btn{display:inline-flex;padding:.6rem 1.1rem;border-radius:8px;background:var(--cyan-ink);color:#f2fafe;text-decoration:none;font-weight:600;transition:background .15s ease}.btn:hover{background:var(--navy)}.tag{font-size:.85rem;background:var(--daylight);padding:.4rem .6rem;border-radius:6px}.tag,footer{font-family:var(--mono);color:var(--muted)}footer{font-size:.8rem}