*{box-sizing:border-box}html,body{height:100%;margin:0}
body{background:#000;color:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";display:flex;flex-direction:column;min-height:100vh}
.header{width:100%;text-align:center;overflow:hidden;background:#000}
.header img{max-height:30vh;width:auto;height:100%;object-fit:contain;display:block;margin:0 auto}
.main{flex:1;display:grid;place-items:center;text-align:center;padding:2rem}
h1{margin:0;font-size:clamp(1.5rem,3.5vw + 1rem,3rem);letter-spacing:.5px}
footer{text-align:center;font-size:.85rem;opacity:.6;padding:1rem 0 2rem}