:root{--navy:#06182c;--cyan:#65e6ee;--yellow:#ffd34e;--paper:#f5fbff;--ink:#09233c;--muted:#52708a;--line:#cfe0ec}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px Inter,ui-rounded,"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--paper)}h1,h2,h3,p{margin-top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1240px;margin:auto;padding:0 24px}.brand{display:flex;gap:10px;align-items:center;color:var(--navy);font-weight:900;letter-spacing:.04em;text-decoration:none}.brand span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--yellow);transform:rotate(-5deg)}.header-actions,nav{display:flex;align-items:center}.header-actions{gap:24px}nav{gap:28px}nav a{color:var(--muted);font-weight:700;text-decoration:none}.language-picker select{appearance:none;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-size:.84rem;font-weight:800;padding:9px 32px 9px 13px;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 15px) 50%,calc(100% - 10px) 50%;background-size:5px 5px;background-repeat:no-repeat}.game-shell{background:var(--navy);color:#fff;padding:32px 24px 34px;min-height:calc(100vh - 72px)}.game-heading{max-width:1100px;margin:0 auto 18px;display:flex;align-items:end;justify-content:space-between;gap:24px}.eyebrow{margin:0 0 7px;color:#1a91a0;font-size:.78rem;font-weight:900;letter-spacing:.16em}.game-heading .eyebrow{color:var(--cyan)}h1{font-size:clamp(1.7rem,4vw,2.35rem);margin-bottom:0;letter-spacing:-.04em}.controls{display:flex;gap:8px}.controls button{border:1px solid #31506d;background:#102b45;color:#cce6f7;border-radius:999px;padding:10px 14px;font-weight:700;cursor:pointer}.game-frame{position:relative;overflow:hidden;width:min(calc(100vw - 96px),1100px);height:min(68vh,660px);min-height:520px;margin:auto;border:1px solid #31506d;border-radius:24px;background:#63d4e5;box-shadow:0 28px 70px #0008;cursor:pointer}.game-frame:focus-within{outline:3px solid var(--cyan);outline-offset:4px}canvas{display:block;width:100%;height:100%;touch-action:none;outline:0}.scoreboard{position:absolute;top:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:2}.scoreboard span{background:#05213bd9;padding:9px 13px;border:1px solid #ffffff35;border-radius:999px;font-size:.82rem}.scoreboard i{font-style:normal}.scoreboard b{font-size:1rem;color:var(--yellow);margin-left:4px}.overlay,.pause-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;background:linear-gradient(#04233b20,#031625b8);z-index:3}.overlay[hidden],.pause-overlay[hidden]{display:none}.bird-mark{display:grid;place-items:center;width:72px;height:58px;border-radius:50%;background:var(--yellow);color:var(--navy);font-size:2rem;box-shadow:0 9px 0 #df9e22;margin-bottom:25px}.overlay-label{font-size:.78rem;letter-spacing:.15em;font-weight:900;color:var(--cyan);margin-bottom:10px}.overlay h2{font-size:clamp(2.2rem,7vw,3.6rem);margin-bottom:8px;letter-spacing:-.05em}.overlay p{max-width:480px;color:#d9edf8}.overlay button,.cta{margin-top:12px;border:0;border-radius:999px;padding:16px 36px;background:var(--yellow);color:#102338;font-size:1.05rem;font-weight:900;box-shadow:0 7px 0 #b87c1d;cursor:pointer;text-decoration:none;display:inline-block}.overlay button:active,.cta:active{transform:translateY(4px);box-shadow:0 3px 0 #b87c1d}.pause-overlay strong{font-size:2.5rem}.pause-overlay span{margin-top:8px;color:#cae2f1}.hint{text-align:center;color:#99b8cd;margin:16px 0 0;font-size:.9rem}kbd{background:#173650;border:1px solid #3c5e78;border-radius:5px;padding:2px 7px}.content-section,.about-section,.guide{max-width:1120px;margin:auto;padding:90px 24px}.content-section>h2,.about-section h2,.guide h1{font-size:clamp(2rem,4vw,3.3rem);letter-spacing:-.05em}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}.steps article,.guide article{border:1px solid var(--line);border-radius:20px;padding:28px;background:#fff}.steps span{display:inline-block;color:#0d8895;font-weight:900;margin-bottom:38px}.steps h3{font-size:1.35rem}.steps p,.about-section>p,.guide p,.guide li{color:var(--muted);line-height:1.75}.about-section{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}.guide{max-width:900px}.guide header{margin-bottom:40px}.guide article{margin:18px 0}.guide h2{margin-bottom:10px}.guide ul{padding-left:22px}.back-link{color:#0d7280;font-weight:800}footer{display:flex;justify-content:space-between;gap:20px;padding:28px max(24px,calc((100% - 1072px)/2));background:var(--navy);color:#92afc5;font-size:.85rem}footer a{color:#cde8f5}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
@media(max-width:700px){.site-header{height:60px;padding:0 12px}.brand{font-size:.86rem}nav{display:none}.header-actions{gap:0}.language-picker select{font-size:.75rem;padding:7px 28px 7px 10px}.game-shell{padding:25px 12px 28px;min-height:calc(100vh - 60px)}.game-heading{align-items:center}.controls button{font-size:.78rem;padding:8px 10px}.game-frame{width:100%;height:68vh;min-height:480px;border-radius:18px}.steps{grid-template-columns:1fr}.content-section,.about-section,.guide{padding:65px 20px}.about-section{grid-template-columns:1fr;gap:10px}footer{flex-direction:column}.hint{font-size:.78rem}}
.overlay h2{font-size:clamp(2.6rem,8vw,5rem);line-height:.88;color:#ffd32f;text-shadow:0 5px 0 #bb6314,0 9px 0 #062b54,0 13px 22px #00182db8}.overlay p{color:#e8f8ff;font-weight:700;text-shadow:0 2px 4px #00223b}.bird-mark{font-weight:1000;font-family:Impact,"Arial Black",sans-serif;text-shadow:0 3px 0 #c77911}
.overlay h2 span:last-child{color:#f7fcff;text-shadow:0 5px 0 #8bc5dd,0 9px 0 #062b54,0 13px 22px #00182db8}