:root{--green:#2e7d32;--grey-100:#eef2f6;--grey-900:#121926;--grey-600:#4b5565}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--grey-100);color:var(--grey-900);font-family:Poppins,system-ui,sans-serif}.header{background:#000;padding:18px 24px}.logo{display:block;height:28px;width:auto}.main{display:flex;justify-content:center;padding:32px 16px}.card{width:100%;max-width:640px;background:#fff;border-radius:8px;padding:24px}.card h1{margin:0 0 12px;font-size:1.5rem;font-weight:600}.card p{margin:0 0 8px;color:var(--grey-600);line-height:1.6}.card .soon{color:var(--green);font-weight:500}