:root{--bg:#062a40;--bg2:#0a4a66;--card:#0d3a52;--line:#1c5a78;--fg:#eaf8f8;--mut:#9cc4cc;--a:#13b5b1;--gold:#ffd23f}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{background:var(--bg)}
body{margin:0;background:linear-gradient(#0a4a66,#062a40 520px,#04202f);color:var(--fg);font:17px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh}
.w{max-width:880px;margin:0 auto;padding:0 16px}
a{color:#6ee7e2}
.hero{background:#062a40 center/cover no-repeat;position:relative;padding:26px 0 22px}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,24,38,.82),rgba(2,24,38,.25))}
.hero .w{position:relative;display:flex;align-items:center;gap:16px}
.ic{width:72px;height:72px;border-radius:17px;box-shadow:0 6px 22px rgba(0,0,0,.45);flex:none}
h1{font-size:clamp(28px,6vw,42px);margin:0;letter-spacing:-.02em;line-height:1.1}
.tag{margin:2px 0 0;font-size:clamp(15px,3.4vw,19px);opacity:.92}
.lang{position:absolute;top:10px;right:16px;z-index:2;background:rgba(0,0,0,.5);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:5px 14px;font-weight:600;font-size:14px;font-family:inherit;cursor:pointer}
.lang:focus-visible,.btn:focus-visible,.ib:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.game{max-width:440px;margin:18px auto 0}
.hud{display:flex;align-items:center;gap:8px;margin:0 0 8px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:5px 14px;min-width:84px}
.stat small{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);line-height:1.3}
.stat b{font-size:22px;line-height:1.15;font-variant-numeric:tabular-nums}
.sp{flex:1}
.ib{width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer;display:grid;place-items:center;padding:0}
.ib svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ib.off .wave{display:none}.ib:not(.off) .mutex{display:none}
.stage{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 14px 40px rgba(0,0,0,.45);border:1px solid var(--line);line-height:0;background:#0a4a66}
#cv{width:100%;height:auto;aspect-ratio:400/640;display:block;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab}
.ov{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(3,26,40,.72);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);padding:20px;line-height:1.5}
.card{background:linear-gradient(#13506c,#0b3a54);border:1px solid #2a7a98;border-radius:22px;padding:24px 22px;text-align:center;max-width:320px;width:100%;box-shadow:0 12px 36px rgba(0,0,0,.5)}
.card img{width:84px;height:84px;border-radius:20px;box-shadow:0 6px 20px rgba(0,0,0,.4)}
.card h2{margin:8px 0 4px;font-size:26px}
.card p{margin:0 0 14px;color:#cfeff0;font-size:15px}
.nums{display:flex;gap:10px;justify-content:center;margin:0 0 16px}
.nums div{background:rgba(0,0,0,.25);border-radius:12px;padding:6px 12px;min-width:76px}
.nums small{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--mut)}
.nums b{font-size:20px}
.btn{display:block;width:100%;border:0;border-radius:999px;padding:13px 20px;font-weight:700;font-size:17px;line-height:1.2;font-family:inherit;background:linear-gradient(#27d6cf,#0fa39f);color:#032a2e;cursor:pointer;margin-top:10px;box-shadow:0 4px 0 #0a6f6c}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 #0a6f6c}
.btn.ghost{background:transparent;color:var(--fg);border:2px solid #3a8aa8;box-shadow:none}
.nb{color:var(--gold);font-weight:800;margin:-6px 0 12px}
.big{font-size:44px;font-weight:800;line-height:1.1;margin:2px 0 8px;font-variant-numeric:tabular-nums}
.hint{max-width:440px;margin:10px auto 0;color:var(--mut);font-size:14px;text-align:center}
main ul{list-style:none;padding:0;margin:34px 0;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
main li{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;border-left:5px solid var(--a)}
main li b{display:block;margin-bottom:2px}
main h2{font-size:22px;margin:30px 0 8px}
footer{padding:18px 0 44px;color:var(--mut);font-size:14px;text-align:center}
[data-l=ru]{display:none}body.ru [data-l=en]{display:none}body.ru [data-l=ru]{display:revert}
.doc{max-width:680px;margin:30px auto;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px 24px}
.doc h1{font-size:30px}.doc h2{font-size:18px;color:#6ee7e2;margin-top:22px}
@media (max-width:420px){.hero .w{gap:12px}.ic{width:60px;height:60px}.stat{min-width:70px;padding:4px 10px}.ib{width:42px;height:42px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}