:root{--bg:#e8efff;--card:#0d2259;--ink:#f7f9ff;--accent:#4d8dff}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,var(--bg),#a9c6ff);color:var(--ink);font:18px/1.5 system-ui,sans-serif}main{width:min(90%,680px);padding:64px 40px;border:5px solid var(--accent);border-radius:12px;background:var(--card);text-align:center;box-shadow:14px 14px 0 #4d8dff55}.eyebrow{font-weight:800;letter-spacing:.14em;color:#91b8ff}h1{margin:.25em 0;font-size:clamp(2.2rem,7vw,5rem);line-height:1.05}.marker{font-family:ui-monospace,monospace;font-size:.85rem;color:#b5c9f8}