:root{color-scheme:dark;font-family:Rajdhani,Inter,system-ui,sans-serif;background:#030914;color:#eefcff}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 20%,#173953 0,#06101f 42%,#030914 100%)}button{font:inherit}.nexus-shell{width:min(1080px,100%);min-height:100vh;margin:auto;padding:18px;display:grid;grid-template-rows:auto 1fr auto}.nexus-header,.nexus-footer{display:flex;justify-content:space-between;gap:12px;padding:12px;border-bottom:2px solid #50f4ef;letter-spacing:.08em}.nexus-footer{border:0;border-top:1px solid #2a5975;color:#9abdcf}.nexus-stage{align-self:center;text-align:center;padding:34px 16px}.nexus-core{width:110px;height:110px;margin:0 auto 28px;display:grid;place-items:center;transform:rotate(45deg);border:2px solid #f060c8;background:linear-gradient(145deg,#40214d,#0d2940);box-shadow:0 0 34px rgba(240,96,200,.35)}.nexus-core span{transform:rotate(-45deg);font-size:42px;color:#50f4ef}.nexus-kicker{color:#50f4ef;letter-spacing:.12em}h1{font-size:clamp(2rem,7vw,4.8rem);margin:.15em 0}p{max-width:650px;margin:14px auto;color:#bdd6e2;line-height:1.55}.nexus-actions{margin-top:28px}button{min-height:46px;padding:10px 18px;border:1px solid #50f4ef;background:#12374b;color:#eefcff;cursor:pointer}button:hover{background:#174e61}output{display:block;min-height:28px;margin-top:18px;color:#8cf48b}@media(max-width:600px){.nexus-header,.nexus-footer{align-items:flex-start;flex-direction:column}.nexus-shell{padding:12px}.nexus-stage{padding:24px 4px}}