*{margin:0;box-sizing:border-box}
html,body{height:100%}
body{display:grid;place-items:center;background:#0a0a0a;color:#cfcfcf;font:16px/1.5 ui-monospace,Menlo,Consolas,monospace;padding:16px;text-align:center}
h1{font-size:clamp(1.6rem,6vw,3rem);letter-spacing:.08em;text-transform:uppercase;color:#eee}
h1 span{display:block;font-size:.4em;letter-spacing:.5em;color:#7a7a7a;margin-top:.4em}
.line{height:1px;width:min(320px,70vw);margin:1.5rem auto;background:linear-gradient(90deg,transparent,#e33 45%,transparent 50%,#e33 55%,transparent);animation:flicker 4s infinite steps(1)}
@keyframes flicker{0%,92%,96%{opacity:1}94%,98%{opacity:.2}}
@media (prefers-reduced-motion:reduce){.line{animation:none}}