:root{--accent:#2563eb;--accent-soft:#dbeafe;--bg:#fff;--surface:#f8fafc;--line:#e2e8f0;--text:#0f172a;--text-muted:#475569}@media (prefers-color-scheme:dark){:root{--accent:#60a5fa;--accent-soft:#1e3a8a;--bg:#0b1220;--surface:#111a2e;--line:#1e293b;--text:#e2e8f0;--text-muted:#94a3b8}}*{box-sizing:border-box}body{background:var(--bg);min-height:100dvh;color:var(--text);-webkit-font-smoothing:antialiased;place-items:center;margin:0;padding:24px;font:16px/1.6 ui-sans-serif,-apple-system,Segoe UI,Helvetica,Arial,sans-serif;display:grid}.card{text-align:center;width:min(34rem,100%)}.mark{border-radius:21px;width:96px;height:96px}h1{letter-spacing:-.02em;margin:20px 0 4px;font-size:2rem}.tagline{color:var(--text-muted);margin:0 0 28px}.promises{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:14px;gap:10px;margin:0;padding:20px;list-style:none;display:grid}.promises li{grid-template-columns:1.25rem 1fr;align-items:baseline;gap:10px;display:grid}.promises li:before{content:"✓";color:var(--accent);font-weight:700}footer{color:var(--text-muted);margin-top:24px;font-size:.875rem}