:root{
	--bg-start:#06210e; /* dark green */
	--bg-end:#000000;   /* black */
	--card:#071218;
	--accent:#39d98a;   /* green accent for border/text */
	--text:#e6f0ff;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(135deg,var(--bg-start),var(--bg-end));color:var(--text)}
.container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}
.card{background:rgba(255,255,255,0.03);padding:2.5rem 3rem;border-radius:12px;border:2px solid var(--accent);box-shadow:0 8px 30px rgba(2,6,23,0.6), 0 0 18px rgba(57,217,138,0.06);text-align:center}
h1{font-size:2.4rem;margin:0 0 0.5rem}
.announce{font-size:1.25rem;margin:0.5rem 0;color:var(--accent)}
.sub{margin-top:0.75rem;font-size:0.95rem;opacity:0.85}