*{box-sizing:border-box} :root{color-scheme:dark;--bg:#061b25;--fg:#f7f5ef;--accent:#ff7b60;--secondary:#37e3d0;--ink:var(--fg)}
html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif}body{background:#101315;color:#f7f5ef}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button svg{width:20px;height:20px}button{touch-action:manipulation}
.home{max-width:1280px;margin:auto;padding:48px 32px 70px}.home-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:36px}.home h1{font-size:clamp(68px,12vw,160px);line-height:.82;letter-spacing:-.085em;margin:0;font-weight:900}.home h1 span{color:#fa715b}.home-head p{max-width:330px;line-height:1.6;color:#bec5c4;font-size:17px;margin:0}.collection{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.game-link{text-decoration:none;color:var(--fg);background:var(--bg);position:relative;display:grid;grid-template-columns:92px 1fr 44px;align-items:center;gap:12px;padding:26px 24px;min-height:184px;border:1px solid color-mix(in srgb,var(--fg) 22%,transparent);overflow:hidden}.game-link:nth-child(3n){border-radius:30px 0 30px 0}.game-link:hover{transform:translateY(-3px)}.game-link:focus-visible{outline-color:var(--accent)}.game-link .num{font-size:64px;font-weight:900;color:var(--accent);letter-spacing:-.06em}.game-link h2{margin:0 0 10px;font-size:28px;letter-spacing:-.04em}.game-link p{margin:0;font-size:14px;line-height:1.4;opacity:.8}.launch{width:42px;height:42px;display:grid;place-items:center;border:1px solid currentColor;border-radius:50%;font-size:24px}.footer-note{font-size:14px;color:#a9b4b1;line-height:1.6;margin:28px 0 0}.home-playhint{margin:15px 0 0;color:#d0d7d2;font-size:14px}.game-shell{--fg:#fff;--bg:#061b25;min-height:100vh;background:var(--bg);color:var(--fg);display:grid;place-items:center;position:relative;overflow:hidden}.stage{width:100%;max-width:590px;min-height:100svh;padding:26px 32px 32px;position:relative;isolation:isolate;display:flex;flex-direction:column}.stage:before{content:'';position:absolute;inset:0;pointer-events:none;z-index:-1;opacity:.15;background:radial-gradient(circle at 15% 20%,var(--secondary),transparent 48%)}.topline{display:flex;align-items:center;gap:14px;margin:0 0 22px}.back,.sound{border:0;background:none;color:inherit;padding:10px;display:grid;place-items:center;min-width:40px;min-height:40px}.back{margin-left:-10px}.brand{font-size:19px;font-weight:800;letter-spacing:-.025em;flex:1}.progress{font-family:monospace;font-size:14px;white-space:nowrap}.timerline{display:flex;gap:18px;align-items:center;margin-bottom:28px}.timertrack{flex:1;height:7px;border:1px solid color-mix(in srgb,var(--fg) 50%,transparent);border-radius:8px;overflow:hidden}.timerfill{width:100%;height:100%;background:var(--accent);transform-origin:left}.clock{border:2px solid var(--accent);border-radius:50%;width:52px;height:52px;display:grid;place-items:center;flex-shrink:0;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent)}.question{font-size:clamp(26px,5vw,38px);line-height:1.12;letter-spacing:-.045em;margin:0 0 24px;font-weight:800;min-height:64px}.visual{min-height:200px;flex:1;display:flex;align-items:center;justify-content:center;position:relative;margin:0 0 26px}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.option{padding:16px 14px;min-height:62px;border:1px solid color-mix(in srgb,var(--fg) 60%,transparent);border-radius:12px;text-align:left;display:flex;align-items:center;gap:12px;background:transparent;color:inherit;font-size:17px;line-height:1.2;font-weight:600;transition:background .16s,transform .16s}.option:hover:not(:disabled){background:color-mix(in srgb,var(--fg) 10%,transparent);transform:translateY(-2px)}.option .letter{font-weight:900;font-size:19px;flex-shrink:0}.option.correct{background:var(--accent);color:var(--bg);border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}.option.wrong{background:color-mix(in srgb,var(--fg) 16%,var(--bg));outline:2px dashed var(--fg);opacity:.8}.option.dim{opacity:.45}.feedback{margin-top:18px;min-height:0}.feedback h2{font-size:28px;letter-spacing:-.045em;margin:0 0 8px}.feedback p{line-height:1.45;font-size:16px;margin:0;max-width:49ch}.next,.start,.restart{border:0;border-radius:10px;background:var(--accent);color:var(--bg);font-weight:800;padding:16px 22px;font-size:18px;min-height:54px;margin-top:18px;display:inline-flex;align-items:center;gap:12px}.next{width:100%;justify-content:space-between}.intro .question{font-size:clamp(42px,7vw,64px);line-height:1.04;min-height:0;max-width:14ch;margin:32px 0 24px}.introcopy{font-size:18px;line-height:1.5;max-width:34ch;margin:0 0 22px}.rules{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.rules span{border-top:1px solid currentColor;padding-top:10px;font:14px monospace}.intro .start{width:100%;justify-content:space-between;margin-top:auto}.intro .visual{min-height:180px;max-height:310px}.result .big-score{font-size:130px;line-height:1;letter-spacing:-.09em;color:var(--accent);font-weight:900;margin:35px 0 24px}.result .big-score small{font-size:45px;letter-spacing:-.04em;opacity:.6}.review-list{list-style:none;margin:24px 0;padding:0}.review-list li{border-top:1px solid color-mix(in srgb,var(--fg) 30%,transparent);padding:12px 0;display:flex;gap:12px;font-size:14px;line-height:1.4}.review-list b{color:var(--accent);white-space:nowrap}.replay-row{display:flex;gap:12px;flex-wrap:wrap}.home-button{background:none;color:inherit;border:1px solid currentColor;padding:16px 22px;border-radius:10px;font-weight:700;margin-top:18px}.keyhint{text-align:center;font-size:12px;font-family:monospace;opacity:.65;margin:14px 0 0}.memory-hide{font-size:56px;color:var(--accent);font-weight:900;text-align:center}.study{position:absolute;bottom:0;font:14px monospace}.memory-items{display:flex;gap:16px;align-items:center;justify-content:center;flex-wrap:wrap;font-size:44px;line-height:1.3}.sequence-items{display:flex;gap:15px;justify-content:center;flex-wrap:wrap;font-weight:900;color:var(--accent);font-size:52px;letter-spacing:-.07em}.sequence-items span{min-width:40px}.equation{font-size:64px;font-weight:900;letter-spacing:-.06em;text-align:center;line-height:1.15}.word-text{white-space:pre-line;text-align:center;font:700 58px/1.12 Georgia,serif;letter-spacing:-.06em}.logic-statements{width:100%;position:relative;z-index:1}.logic-statements p{font-size:21px;line-height:1.4;margin:0 0 18px;padding-left:18px;border-left:2px solid var(--accent)}.logic-statements p:last-child{margin:0}.symbol-grid{display:grid;grid-template-columns:20px repeat(5,1fr);gap:7px;width:100%;max-width:330px;font-size:28px}.cell{aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--accent);min-width:0;position:relative}.cell-label{display:block;font-family:Arial,sans-serif}.cell.revealed{background:var(--accent);color:var(--bg);outline:3px solid var(--secondary)}.axis{display:grid;place-items:center;font:11px monospace;color:var(--fg);opacity:.7}.grid-axes{aspect-ratio:unset}.legend{display:flex;justify-content:center;flex-wrap:wrap;width:100%;gap:9px}.legend div{text-align:center;border-right:1px solid var(--fg);padding:10px 16px}.legend div:last-child{border:0}.legend .sym{display:block;font-size:34px;margin-bottom:8px}.code-visual{width:100%}.code-visual .equation{font-size:48px;margin-top:32px}.shape-items{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.shape-icon{width:75px;height:75px;display:inline-block}.shape-icon svg{width:100%;height:100%;overflow:visible;fill:none;stroke:var(--fg);stroke-width:2}.maze{display:grid;grid-template-columns:repeat(5,1fr);width:min(100%,300px);border:4px solid var(--fg);gap:2px;background:var(--fg)}.maze-cell{aspect-ratio:1;display:grid;place-items:center;background:var(--bg);font-weight:900;font-size:26px}.maze-cell.wall{background:var(--fg)}.maze-cell.route{background:var(--accent);color:var(--bg)}.color-sequence{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.color-tile{width:72px;height:98px;border:2px solid var(--fg);display:flex;flex-direction:column;align-items:center;justify-content:end;font:700 14px monospace;background:var(--tile)}.color-tile span{width:100%;background:var(--fg);color:var(--bg);padding:7px 2px;text-align:center}.shape-06 .visual:before{content:'';position:absolute;width:290px;height:290px;border:1px solid var(--accent);border-radius:50%;opacity:.25;box-shadow:0 0 0 35px color-mix(in srgb,var(--accent) 7%,transparent),0 0 0 70px color-mix(in srgb,var(--accent) 5%,transparent)}
.shape-01 .stage:before{background:repeating-linear-gradient(90deg,transparent 0 55px,var(--secondary) 56px 57px),repeating-linear-gradient(0deg,transparent 0 55px,var(--secondary) 56px 57px);opacity:.055}.shape-01 .option{border-radius:0}.shape-01 .brand,.shape-01 .question{font-family:monospace;letter-spacing:-.04em}.shape-02 .question{font-size:36px}.shape-02 .visual{min-height:270px}.shape-02 .option{border-radius:24px 0 24px 0}.shape-02 .stage:before{background:radial-gradient(ellipse at 90% 30%,var(--secondary),transparent 55%)}.shape-03 .stage{font-family:Georgia,serif}.shape-03 .question{font-weight:700;letter-spacing:-.04em}.shape-03 .memory-items{padding:38px 24px;border:3px double var(--fg);border-radius:50% 50% 35% 35%;background:color-mix(in srgb,var(--fg) 8%,transparent);min-height:170px}.shape-03 .option{border-radius:8px}.shape-04 .stage{font-family:'Courier New',monospace}.shape-04 .visual{background:color-mix(in srgb,var(--fg) 92%,var(--bg));color:var(--bg);border-radius:10px;padding:22px}.shape-04 .legend div{border-color:var(--bg)}.shape-04 .option{background:var(--fg);color:var(--bg);border:0;border-radius:4px}.shape-04 .option.correct{background:var(--secondary)}.shape-05 .question{font-family:Georgia,serif;font-weight:700;font-size:36px}.shape-05 .option{border-radius:0;border-width:0 0 1px;padding:18px 5px}.shape-05 .brand{text-transform:uppercase;letter-spacing:.09em;font-size:15px}.shape-06 .option{border-radius:0;border-width:1px 0}.shape-06 .options{grid-template-columns:1fr}.shape-06 .option{min-height:45px;padding:12px 5px}.shape-07 .brand,.shape-07 .question{font-family:Georgia,serif;font-weight:700}.shape-07 .option{border-radius:40px}.shape-07 .question{font-size:34px}.shape-08 .question{text-transform:uppercase;font-weight:900}.shape-08 .equation{font-family:Impact,'Arial Black',sans-serif;font-size:70px;letter-spacing:.02em}.shape-08 .option{border-radius:0;background:var(--fg);color:var(--bg);font-weight:900;font-size:22px;border:0}.shape-08 .clock{border-radius:0}.shape-08 .option.correct{background:var(--secondary)}.shape-09 .stage{font-family:monospace}.shape-09 .option{font-size:16px;letter-spacing:.05em;border-radius:0}.shape-09 .question{font-size:30px}.shape-10 .option{border:2px solid var(--fg);border-radius:15px}.shape-10 .word-text,.shape-10 .question{font-family:Arial,sans-serif}
@media(min-width:850px){.game-shell{padding:30px 0;background:color-mix(in srgb,var(--bg) 92%,#000)}.stage{min-height:min(850px,calc(100svh - 60px));max-height:none;border:1px solid color-mix(in srgb,var(--fg) 22%,transparent);border-radius:18px;background:var(--bg);box-shadow:0 24px 100px #0005}.intro .visual{min-height:210px}.brand{font-size:22px}}
@media(max-width:600px){.home{padding:35px 18px}.home-head{display:block}.home-head p{margin-top:28px}.collection{grid-template-columns:1fr}.game-link{min-height:145px;padding:20px 18px;grid-template-columns:65px 1fr 35px}.game-link .num{font-size:48px}.game-link h2{font-size:25px}.launch{width:34px;height:34px}.stage{padding:18px 22px 24px}.topline{margin-bottom:16px}.timerline{margin-bottom:22px}.question{font-size:28px;margin-bottom:20px;min-height:60px}.visual{min-height:180px;margin-bottom:22px}.option{font-size:15px;min-height:62px;padding:13px 12px;gap:9px}.introcopy{font-size:17px}.shape-02 .question,.shape-05 .question{font-size:30px}.shape-02 .visual{min-height:230px}.sequence-items{font-size:42px;gap:12px}.equation{font-size:54px}.logic-statements p{font-size:19px}.symbol-grid{max-width:310px}.color-tile{width:62px;height:85px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.clip{width:1080px;height:1920px;min-height:1920px;overflow:hidden}.clip .stage{width:1080px;height:1920px;max-width:none;min-height:1920px;padding:106px 92px 160px;border:0;border-radius:0;box-shadow:none;position:absolute;inset:0}.clip .topline{margin-bottom:60px}.clip .brand{font-size:44px}.clip .progress{font-size:32px}.clip .clock{width:100px;height:100px;font-size:48px;border-width:3px}.clip .timertrack{height:14px}.clip .timerline{margin-bottom:62px}.clip .question{font-size:72px;line-height:1.08;min-height:170px;margin-bottom:52px;max-width:860px}.clip .visual{min-height:530px;margin-bottom:64px}.clip .options{gap:24px}.clip .option{min-height:132px;padding:28px 24px;font-size:38px;gap:22px;border-width:2px}.clip .option .letter{font-size:40px}.clip .feedback{margin-top:40px}.clip .feedback h2{font-size:56px;margin-bottom:16px}.clip .feedback p{font-size:38px;line-height:1.35}.clip .keyhint{display:none}.clip .symbol-grid{max-width:650px;font-size:54px;gap:12px;grid-template-columns:35px repeat(5,1fr)}.clip .axis{font-size:22px}.clip .sequence-items{font-size:95px;gap:28px}.clip .equation{font-size:112px}.clip .word-text{font-size:118px}.clip .memory-items{font-size:90px;gap:30px;min-height:300px}.clip .memory-hide{font-size:100px}.clip .legend .sym{font-size:70px}.clip .legend div{font-size:35px;padding:20px 25px}.clip .code-visual .equation{font-size:95px;margin-top:70px}.clip .logic-statements p{font-size:48px;margin-bottom:40px;padding-left:35px;border-left-width:4px}.clip .shape-icon{width:155px;height:155px}.clip .shape-items{gap:25px}.clip .maze{width:600px;border-width:8px;gap:4px}.clip .maze-cell{font-size:50px}.clip .color-tile{width:132px;height:180px;font-size:28px}.clip .color-sequence{gap:24px}.clip.shape-06 .options{grid-template-columns:repeat(2,minmax(0,1fr))}.clip.shape-06 .visual:before{width:570px;height:570px}.clip .endcard{margin:auto 0}.clip .endcard h1{font-size:110px;line-height:.98;letter-spacing:-.055em;margin:0 0 60px}.clip .endcard p{font-size:46px;line-height:1.4;max-width:22ch}.clip .endcard .five{font-size:340px;font-weight:900;letter-spacing:-.1em;color:var(--accent);line-height:1;margin-bottom:35px}.clip .study{font-size:28px}.clip .reveal-label{font-size:40px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin:0 0 25px}
.clip .visual{min-height:360px}.clip.shape-08 .equation{font-size:120px}.clip.shape-03 .memory-items{padding:60px 40px}.clip.shape-09 .option{font-size:32px;letter-spacing:.02em}.clip.shape-06 .option{padding:24px;min-height:110px}.clip .feedback p{font-size:34px}.clip .question{overflow-wrap:normal}