:root { color-scheme: dark; --ink:#0b0c0d; --panel:#141618; --panel-2:#1a1d1f; --line:rgba(255,255,255,.14); --muted:#a6aaac; --lime:#c9ff3d; --lime-dark:#a2d520; --danger:#ff7474; --radius:18px; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; background:var(--ink); }
body { margin:0; background:var(--ink); color:#f6f7f2; line-height:1.5; }
button,input { font:inherit; }
button { cursor:pointer; }
a { color:inherit; }
.shell { width:min(1160px, calc(100% - 32px)); margin:auto; }
.site-header { position:relative; z-index:3; padding:21px 0; border-bottom:1px solid rgba(255,255,255,.1); }
.nav { display:flex; align-items:center; justify-content:space-between; gap:28px; }
.brand { text-decoration:none; display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:-.03em; }
.brand-mark { display:grid; place-items:center; width:29px; height:29px; border:2px solid var(--lime); border-radius:50%; color:var(--lime); font-size:14px; }
.brand span { color:var(--lime); }
.nav-links { display:flex; gap:22px; align-items:center; color:#ced1ce; font-size:14px; }
.nav-links a { text-decoration:none; }
.nav-links a:hover,.nav-links a[aria-current="page"] { color:var(--lime); }
.page-hero { position:relative; overflow:hidden; min-height:645px; background: radial-gradient(circle at 75% 35%, var(--target-glow, rgba(142,123,80,.48)), transparent 34%), linear-gradient(135deg,#101315,#070808); }
.page-hero::after { content:""; position:absolute; inset:0; background:linear-gradient(110deg,rgba(8,9,10,.94),rgba(8,9,10,.38)); pointer-events:none; }
.hero-inner { position:relative; z-index:1; padding:52px 0 74px; }
.instrument { position:absolute; right:0; top:28px; font:12px ui-monospace, SFMono-Regular, Menlo, monospace; color:#f6f7f2; letter-spacing:.08em; display:flex; gap:15px; }
.instrument b { color:var(--lime); font-weight:600; }
.eyebrow { display:inline-flex; align-items:center; gap:8px; color:var(--lime); text-transform:uppercase; letter-spacing:.14em; font-size:11px; font-weight:750; }
.eyebrow::before { content:""; width:20px; height:1px; background:currentColor; }
h1,h2,h3,p { margin-top:0; }
h1 { max-width:600px; margin:24px 0 12px; font-size:clamp(42px,7vw,76px); line-height:.97; letter-spacing:-.065em; }
.hero-copy { max-width:480px; margin-bottom:26px; color:#d0d4d1; font-size:17px; }
.game-console { width:min(690px,100%); background:rgba(16,18,19,.92); border:1px solid var(--line); border-radius:var(--radius); box-shadow:0 30px 90px rgba(0,0,0,.36); overflow:hidden; backdrop-filter:blur(16px); }
.mode-tabs { display:grid; grid-template-columns:1fr 1fr; gap:0; border-bottom:1px solid var(--line); }
.mode-tabs button { min-height:52px; color:#afb3b0; border:0; border-bottom:2px solid transparent; background:transparent; font-weight:700; }
.mode-tabs button[aria-selected="true"] { color:#fff; border-color:var(--lime); background:rgba(255,255,255,.035); }
.play-area { padding:23px 26px 27px; min-height:286px; display:flex; flex-direction:column; }
.round-bar { display:flex; align-items:center; justify-content:space-between; color:var(--muted); font-size:13px; margin-bottom:20px; }
.round-bar strong { color:#fff; }
.intro-layout { display:flex; align-items:center; gap:23px; flex:1; }
.orb { width:104px; height:104px; flex:0 0 auto; border-radius:50%; background:var(--lime); box-shadow:0 0 0 12px rgba(201,255,61,.1), 0 0 80px rgba(201,255,61,.35); }
.play-area h2 { font-size:24px; line-height:1.1; letter-spacing:-.04em; margin-bottom:8px; }
.play-area p { color:var(--muted); margin-bottom:18px; }
.button-row { display:flex; flex-wrap:wrap; gap:10px; }
.button { min-height:43px; border:1px solid transparent; border-radius:9px; padding:0 17px; font-size:14px; font-weight:800; text-decoration:none; display:inline-flex; align-items:center; justify-content:center; gap:8px; }
.button:active { transform:translateY(1px) scale(.985); }
.button-primary { background:var(--lime); color:#101209; }
.button-primary:hover { background:#d7ff70; }
.button-secondary { border-color:var(--line); color:#fff; background:transparent; }
.button-secondary:hover { background:#242728; }
.memory-stage { display:grid; place-items:center; flex:1; min-height:220px; }
.target-swatch { width:min(360px,100%); height:138px; border-radius:14px; border:1px solid rgba(255,255,255,.25); box-shadow:inset 0 1px rgba(255,255,255,.25); }
.target-swatch.hidden { background:repeating-linear-gradient(-45deg,#191c1e,#191c1e 9px,#121415 9px,#121415 18px)!important; }
.match-layout { display:grid; grid-template-columns:145px 1fr; gap:24px; align-items:center; }
.match-preview { min-height:165px; border-radius:12px; border:1px solid rgba(255,255,255,.22); background:#777; }
.sliders { display:grid; gap:15px; }
.slider-line { display:grid; grid-template-columns:80px 1fr 40px; align-items:center; gap:10px; color:#d5d8d5; font-size:13px; }
.slider-line output { font:12px ui-monospace,monospace; text-align:right; color:var(--lime); }
input[type="range"] { appearance:none; height:7px; border-radius:9px; background:#34383a; outline-offset:4px; }
input[type="range"]::-webkit-slider-thumb { appearance:none; width:17px; height:17px; border:2px solid #0d0f0e; border-radius:50%; background:var(--lime); box-shadow:0 0 0 1px #dfffa0; }
.feedback { display:grid; grid-template-columns:auto 1fr; gap:16px; align-items:center; }
.score-disc { width:74px; height:74px; display:grid; place-items:center; border-radius:50%; border:2px solid var(--lime); color:var(--lime); font:800 22px ui-monospace,monospace; }
.game-board { display:grid; width:min(395px,100%); margin:auto; gap:6px; }
.game-tile { aspect-ratio:1; border:0; border-radius:6px; transition:transform .12s; }
.game-tile:hover { transform:scale(.95); }
.game-tile:focus-visible { outline:3px solid #fff; outline-offset:1px; }
.timer { height:4px; background:#303436; border-radius:4px; overflow:hidden; margin-bottom:18px; }
.timer b { display:block; height:100%; background:var(--lime); transform-origin:left; }
.ad-slot { margin:32px auto; min-height:98px; display:grid; place-items:center; background:#111315; border-block:1px solid rgba(255,255,255,.08); color:#727875; font-size:10px; letter-spacing:.13em; text-transform:uppercase; }
.section { padding:68px 0; }
.section-dark { background:#101214; }
.section-label { font:12px ui-monospace,monospace; color:var(--lime); letter-spacing:.1em; text-transform:uppercase; }
.section h2 { font-size:clamp(28px,4vw,46px); line-height:1; letter-spacing:-.055em; margin:11px 0 17px; }
.section-intro { max-width:610px; color:var(--muted); }
.steps { display:grid; grid-template-columns:repeat(3,1fr); gap:0; margin-top:34px; border-top:1px solid var(--line); }
.step { padding:22px 30px 18px 0; border-bottom:1px solid var(--line); }
.step + .step { padding-left:30px; border-left:1px solid var(--line); }
.step-num { color:var(--lime); font:12px ui-monospace,monospace; }
.step h3 { font-size:19px; letter-spacing:-.025em; margin:22px 0 7px; }
.step p,.tool-card p { color:var(--muted); font-size:14px; margin-bottom:0; }
.tool-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:33px; }
.tool-card { min-height:210px; display:flex; flex-direction:column; justify-content:space-between; padding:22px; border:1px solid var(--line); border-radius:var(--radius); text-decoration:none; background:#17191b; transition:border-color .18s,transform .18s; }
.tool-card:hover { border-color:var(--lime); transform:translateY(-3px); }
.tool-icon { width:38px; height:38px; display:grid; place-items:center; border:1px solid rgba(201,255,61,.55); border-radius:50%; color:var(--lime); font-weight:800; }
.tool-card h3 { font-size:20px; letter-spacing:-.04em; margin:24px 0 7px; }
.arrow { color:var(--lime); font-size:20px; }
.level-list { display:grid; grid-template-columns:repeat(3,1fr); margin-top:32px; border-top:1px solid var(--line); }
.level { padding:22px 24px 22px 0; border-bottom:1px solid var(--line); }
.level + .level { border-left:1px solid var(--line); padding-left:24px; }
.level strong { display:block; font-size:18px; margin-bottom:7px; }.level span { color:var(--muted); font-size:14px; }
.faq { margin-top:32px; border-top:1px solid var(--line); }
details { border-bottom:1px solid var(--line); padding:16px 0; } summary { cursor:pointer; font-weight:700; } details p { max-width:700px; color:var(--muted); font-size:14px; margin:12px 0 2px; }
.disclaimer { margin-top:36px; padding:15px 18px; border-left:2px solid var(--lime); background:rgba(201,255,61,.07); color:#d2d9b3; font-size:13px; }
.site-footer { padding:32px 0; background:#080909; border-top:1px solid rgba(255,255,255,.1); color:#a6aaa8; font-size:13px; }.footer-row { display:flex; justify-content:space-between; gap:20px; align-items:center; }.footer-links { display:flex; gap:18px; flex-wrap:wrap; }.footer-links a { text-decoration:none; }.footer-links a:hover { color:var(--lime); }
.subpage-hero { padding:76px 0 43px; background:radial-gradient(circle at 85% 0%,rgba(201,255,61,.16),transparent 30%),#0b0c0d; }.subpage-hero h1 { margin-bottom:16px; max-width:720px; }.subpage-hero p { max-width:600px; color:var(--muted); font-size:17px; }.crumb { color:var(--muted); font-size:13px; }.crumb a { color:#dfe2df; }.compact-console { margin-top:25px; }.content-page { max-width:780px; padding:75px 0; }.content-page h1 { font-size:clamp(38px,6vw,62px); }.content-page h2 { margin:42px 0 13px; font-size:27px; letter-spacing:-.04em; }.content-page p,.content-page li { color:#c1c5c2; }.content-page a { color:var(--lime); }
@media (max-width:720px) { .nav-links { display:none; }.page-hero { min-height:0; }.hero-inner { padding-top:35px; }.instrument { position:static; margin-bottom:25px; }.intro-layout { align-items:flex-start; }.orb { width:73px; height:73px; }.play-area { padding:18px; min-height:310px; }.match-layout { grid-template-columns:1fr; gap:16px; }.match-preview { min-height:75px; }.steps,.tool-grid,.level-list { grid-template-columns:1fr; }.step + .step,.level + .level { padding-left:0; border-left:0; }.step + .step,.level + .level { padding-top:22px; }.tool-card { min-height:150px; }.footer-row { flex-direction:column; align-items:flex-start; }.subpage-hero { padding-top:48px; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; transition-duration:.01ms!important; animation-duration:.01ms!important; } }