:root{color:#f6f1de;background:radial-gradient(circle at top,#27455d,#0f2738 38%,#071520);font-family:Georgia,Times New Roman,serif;line-height:1.5;font-weight:400}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{min-height:100vh}button,input,textarea,select{font:inherit}#app{min-height:100vh}.shell{width:min(1120px,calc(100vw - 32px));margin:0 auto;padding:40px 0 56px}.intro{max-width:720px;margin-bottom:28px}.eyebrow{margin:0 0 10px;color:#d3b97d;text-transform:uppercase;letter-spacing:.18em;font-size:.78rem}.intro h1{margin:0;font-size:clamp(2.2rem,5vw,4rem);line-height:.95}.lede{margin:16px 0 0;max-width:52ch;color:#d3dde3;font-size:1.05rem}.viewport-panel{padding:20px;border:1px solid rgba(244,226,178,.28);border-radius:24px;background:#07152094;box-shadow:0 18px 50px #00000047;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.viewport{position:relative;width:min(100%,720px);aspect-ratio:1 / 1;min-height:320px;margin:0 auto;overflow:hidden;border:1px solid rgba(244,226,178,.22);border-radius:18px;background:linear-gradient(180deg,#112a2a6b,#040e12c7)}.game-surface{position:absolute;top:0;right:0;bottom:0;left:0;background:transparent}.game-surface canvas{display:block;width:100%;height:100%}@media (max-width: 720px){.shell{width:min(100vw - 20px,1120px);padding-top:28px}.viewport-panel{padding:12px;border-radius:18px}.viewport{width:100%;min-height:240px;border-radius:14px}}