*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--bg:#070b16;--bg-panel:rgba(15,20,40,.85);--bg-card:rgba(20,28,58,.7);
--cyan:#00e5ff;--purple:#7c4dff;--pink:#e040fb;--blue:#448aff;
--text:#e0e0e0;--text-dim:#8892a4;--text-bright:#fff;
--border:rgba(0,229,255,.15);--glow:0 0 20px rgba(0,229,255,.2);
--radius:12px;--radius-sm:8px;
--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Helvetica Neue",Arial,sans-serif;
--max-w:1200px;--header-h:64px
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;min-height:100vh}
img,svg{display:block;max-width:100%}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:var(--pink)}
ul{list-style:none}
button{cursor:pointer;font-family:inherit}
.skip-link{position:absolute;top:-100%;left:50%;transform:translateX(-50%);background:var(--cyan);color:var(--bg);padding:.5rem 1rem;border-radius:var(--radius-sm);z-index:1000;font-weight:600}
.skip-link:focus{top:8px}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 1rem}

/* Starfield */
body::before{content:"";position:fixed;inset:0;z-index:-2;background:var(--bg);background-image:
radial-gradient(1px 1px at 10% 20%,rgba(255,255,255,.6),transparent),
radial-gradient(1px 1px at 30% 70%,rgba(255,255,255,.5),transparent),
radial-gradient(1.5px 1.5px at 50% 40%,rgba(0,229,255,.5),transparent),
radial-gradient(1px 1px at 70% 10%,rgba(255,255,255,.4),transparent),
radial-gradient(1px 1px at 90% 80%,rgba(224,64,251,.4),transparent),
radial-gradient(1px 1px at 15% 90%,rgba(255,255,255,.3),transparent),
radial-gradient(1.5px 1.5px at 85% 50%,rgba(0,229,255,.3),transparent),
radial-gradient(1px 1px at 40% 5%,rgba(255,255,255,.5),transparent),
radial-gradient(1px 1px at 60% 95%,rgba(255,255,255,.3),transparent),
radial-gradient(1px 1px at 5% 55%,rgba(124,77,255,.3),transparent),
radial-gradient(1px 1px at 75% 35%,rgba(255,255,255,.4),transparent),
radial-gradient(1px 1px at 95% 15%,rgba(0,229,255,.2),transparent),
radial-gradient(1px 1px at 25% 45%,rgba(255,255,255,.3),transparent),
radial-gradient(1px 1px at 55% 75%,rgba(224,64,251,.2),transparent),
radial-gradient(1px 1px at 35% 25%,rgba(255,255,255,.5),transparent),
radial-gradient(1px 1px at 45% 55%,rgba(0,229,255,.25),transparent),
radial-gradient(1.5px 1.5px at 65% 65%,rgba(255,255,255,.4),transparent),
radial-gradient(1px 1px at 80% 90%,rgba(124,77,255,.3),transparent),
radial-gradient(1px 1px at 20% 10%,rgba(255,255,255,.35),transparent),
radial-gradient(1px 1px at 50% 50%,rgba(255,255,255,.2),transparent);
animation:starDrift 120s linear infinite}
@keyframes starDrift{to{background-position:200px 400px}}
body::after{content:"";position:fixed;top:-50%;left:-20%;width:140%;height:200%;z-index:-1;background:
radial-gradient(ellipse 600px 400px at 20% 30%,rgba(124,77,255,.08),transparent),
radial-gradient(ellipse 500px 350px at 80% 70%,rgba(0,229,255,.06),transparent);
pointer-events:none}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,11,22,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:var(--header-h)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:.5rem}
.logo-icon{flex-shrink:0}
.logo-text{font-size:1.125rem;color:var(--text-bright);letter-spacing:-.02em}
.logo-text strong{color:var(--cyan)}
.nav-list{display:flex;gap:.25rem}
.nav-link{display:block;padding:.5rem .75rem;border-radius:var(--radius-sm);font-size:.875rem;color:var(--text-dim);transition:color .2s,background .2s}
.nav-link:hover,.nav-link.active{color:var(--text-bright);background:rgba(0,229,255,.08)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;background:none;border:none}
.nav-toggle-bar{width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border:none;border-radius:var(--radius-sm);font-size:.9375rem;font-weight:600;transition:transform .15s,box-shadow .2s,background .2s;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--purple),var(--cyan));color:var(--bg);box-shadow:0 4px 20px rgba(0,229,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(0,229,255,.35);color:var(--bg)}
.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:.5rem 1rem;font-size:.8125rem}
.btn-lg{padding:1rem 2rem;font-size:1.0625rem}

/* Hero */
.hero{padding:5rem 0 4rem;text-align:center;position:relative}
.hero-badge{display:inline-block;padding:.375rem 1rem;border:1px solid var(--border);border-radius:999px;font-size:.75rem;color:var(--cyan);letter-spacing:.05em;text-transform:uppercase;margin-bottom:1.5rem;background:rgba(0,229,255,.06)}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);font-weight:800;line-height:1.15;color:var(--text-bright);margin-bottom:1rem}
.hero h1 span{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(1rem,2.5vw,1.25rem);color:var(--text-dim);max-width:640px;margin:0 auto 2rem;line-height:1.7}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Sections */
.section{padding:4rem 0}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{font-size:clamp(1.5rem,3.5vw,2.25rem);font-weight:700;color:var(--text-bright);margin-bottom:.75rem}
.section-header p{color:var(--text-dim);max-width:600px;margin:0 auto;font-size:1.0625rem}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.game-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.75rem;transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;overflow:hidden}
.game-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--glow)}
.game-card-icon{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem;background:rgba(0,229,255,.1);border:1px solid var(--border)}
.game-card h3{font-size:1.125rem;font-weight:700;color:var(--text-bright);margin-bottom:.5rem}
.game-card p{font-size:.875rem;color:var(--text-dim);margin-bottom:1.25rem;line-height:1.6}
.game-card .btn{width:100%}

/* Feature Grid */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}
.feature-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center}
.feature-icon{width:48px;height:48px;margin:0 auto 1rem;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(124,77,255,.12);border:1px solid rgba(124,77,255,.25)}
.feature-item h3{font-size:1rem;font-weight:600;color:var(--text-bright);margin-bottom:.5rem}
.feature-item p{font-size:.875rem;color:var(--text-dim);line-height:1.6}

/* Content sections */
.content-block{max-width:800px;margin:0 auto}
.content-block h2{font-size:1.5rem;font-weight:700;color:var(--text-bright);margin:2.5rem 0 1rem}
.content-block h3{font-size:1.25rem;font-weight:600;color:var(--text-bright);margin:2rem 0 .75rem}
.content-block p{margin-bottom:1rem;line-height:1.8;color:var(--text)}
.content-block ul,.content-block ol{margin:1rem 0 1rem 1.5rem;list-style:disc}
.content-block ol{list-style:decimal}
.content-block li{margin-bottom:.5rem;line-height:1.7;color:var(--text)}
.content-block a{text-decoration:underline;text-underline-offset:3px}

/* Stats bar */
.stats-bar{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap;padding:2.5rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:2rem 0}
.stat-item{text-align:center}
.stat-value{font-size:1.75rem;font-weight:800;color:var(--cyan);display:block}
.stat-label{font-size:.8125rem;color:var(--text-dim);margin-top:.25rem}

/* Panel (for info pages) */
.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-bottom:1.5rem}
.panel h3{color:var(--text-bright);margin-bottom:.75rem}
.panel p{color:var(--text);line-height:1.7}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem;overflow:hidden;background:var(--bg-card)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;background:none;border:none;color:var(--text-bright);font-size:1rem;font-weight:600;text-align:left;transition:background .2s}
.faq-question:hover{background:rgba(0,229,255,.04)}
.faq-question svg{flex-shrink:0;transition:transform .3s;color:var(--cyan)}
.faq-question[aria-expanded="true"] svg{transform:rotate(180deg)}
.faq-answer{padding:0 1.5rem;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s}
.faq-answer.open{max-height:500px;padding:0 1.5rem 1.25rem}
.faq-answer p{color:var(--text-dim);line-height:1.7;font-size:.9375rem}

/* Game Page */
.game-page-header{text-align:center;padding:3rem 0 2rem}
.game-page-header h1{font-size:clamp(1.5rem,4vw,2.25rem);font-weight:800;color:var(--text-bright);margin-bottom:.5rem}
.game-page-header p{color:var(--text-dim);font-size:1.0625rem}
.game-container{max-width:640px;margin:0 auto;padding:0 1rem 4rem}
.game-panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-bottom:1.5rem}
.game-hud{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem}
.hud-item{text-align:center;min-width:80px}
.hud-label{font-size:.6875rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:.25rem}
.hud-value{font-size:1.5rem;font-weight:800;color:var(--cyan)}
.game-mode-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem}
.mode-tab{flex:1;padding:.625rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text-dim);font-size:.8125rem;font-weight:600;transition:all .2s}
.mode-tab.active{background:rgba(0,229,255,.1);border-color:var(--cyan);color:var(--cyan)}
.game-board{margin:1.5rem 0}
.game-actions{display:flex;gap:.75rem;flex-wrap:wrap}
.game-actions .btn{flex:1;min-width:120px}
.game-instructions{background:rgba(0,229,255,.04);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1.25rem;margin-top:1.5rem}
.game-instructions h3{font-size:.9375rem;font-weight:600;color:var(--cyan);margin-bottom:.5rem}
.game-instructions p,.game-instructions li{font-size:.8125rem;color:var(--text-dim);line-height:1.7}
.game-instructions ol{margin:.5rem 0 0 1.25rem;list-style:decimal}

/* Memory grid */
.memory-grid{display:grid;gap:.75rem;grid-template-columns:repeat(4,1fr)}
.memory-card{aspect-ratio:1;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);display:flex;align-items:center;justify-content:center;font-size:1.5rem;cursor:pointer;transition:transform .3s,border-color .3s,background .3s;user-select:none}
.memory-card.flipped,.memory-card.matched{background:rgba(0,229,255,.1);border-color:var(--cyan)}
.memory-card.matched{background:rgba(124,77,255,.15);border-color:var(--purple);cursor:default}

/* Wheel */
.wheel-container{display:flex;justify-content:center;align-items:center;padding:2rem 0;position:relative}
.wheel-canvas{max-width:100%;height:auto}
.wheel-pointer{position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:0;border-left:14px solid transparent;border-right:14px solid transparent;border-top:28px solid var(--cyan);filter:drop-shadow(0 0 8px rgba(0,229,255,.5))}

/* Reaction area */
.reaction-zone{width:200px;height:200px;margin:2rem auto;border-radius:50%;border:3px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:var(--text-dim);transition:background .15s,border-color .15s;cursor:pointer;user-select:none}
.reaction-zone.ready{border-color:var(--purple);background:rgba(124,77,255,.1);color:var(--purple)}
.reaction-zone.go{border-color:var(--cyan);background:rgba(0,229,255,.15);color:var(--cyan);animation:pulse .6s ease-in-out infinite}
.reaction-zone.hit{border-color:#4caf50;background:rgba(76,175,80,.15);color:#4caf50}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}

/* Symbol picker */
.symbol-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.75rem;margin:1rem 0}
.symbol-btn{aspect-ratio:1;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg-card);font-size:1.5rem;cursor:pointer;transition:border-color .2s,background .2s,transform .15s;display:flex;align-items:center;justify-content:center}
.symbol-btn:hover{border-color:var(--cyan);transform:scale(1.05)}
.symbol-btn.selected{border-color:var(--cyan);background:rgba(0,229,255,.12)}
.symbol-btn.correct{border-color:#4caf50;background:rgba(76,175,80,.15)}
.symbol-btn.wrong{border-color:#f44336;background:rgba(244,67,54,.1)}

/* Result display */
.result-display{text-align:center;padding:1.5rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card);margin:1rem 0}
.result-display .result-icons{font-size:2rem;letter-spacing:.5rem;margin-bottom:.75rem}
.result-display .result-msg{font-size:1.125rem;font-weight:700;margin-bottom:.25rem}
.result-display .result-points{color:var(--cyan);font-weight:800;font-size:1.25rem}

/* Contact form */
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-size:.875rem;font-weight:600;color:var(--text-dim);margin-bottom:.5rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem 1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.9375rem;font-family:var(--font);transition:border-color .2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--cyan)}
.form-group textarea{resize:vertical;min-height:120px}

/* Disclaimer bar */
.disclaimer-bar{background:rgba(0,229,255,.04);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.75rem 1rem;text-align:center;font-size:.75rem;color:var(--text-dim);margin:2rem 0}

/* Modal */
.modal-overlay{position:fixed;inset:0;z-index:9999;background:rgba(7,11,22,.95);display:flex;align-items:center;justify-content:center;padding:1rem}
.modal-panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;text-align:center;max-width:420px;width:100%;box-shadow:0 0 60px rgba(0,229,255,.15)}
.modal-icon{margin:0 auto 1.5rem}
.modal-title{font-size:1.375rem;font-weight:700;color:var(--text-bright);margin-bottom:.75rem}
.modal-text{font-size:.9375rem;color:var(--text-dim);line-height:1.7;margin-bottom:1rem}
.modal-subtext{font-size:.875rem;color:var(--cyan);font-weight:600;margin-bottom:1.5rem}
.modal-actions{display:flex;gap:.75rem;justify-content:center}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:3rem 0 2rem;margin-top:4rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2.5rem}
.footer-logo{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem}
.footer-desc{font-size:.8125rem;color:var(--text-dim);line-height:1.7}
.footer-heading{font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:1rem}
.footer-links li{margin-bottom:.5rem}
.footer-links a{font-size:.8125rem;color:var(--text-dim);transition:color .2s}
.footer-links a:hover{color:var(--cyan)}
.footer-disclaimer{border-top:1px solid var(--border);padding-top:1.5rem;margin-bottom:1rem;text-align:center}
.footer-disclaimer p{font-size:.75rem;color:var(--text-dim);letter-spacing:.02em}
.footer-bottom{text-align:center}
.footer-bottom p{font-size:.75rem;color:var(--text-dim)}

/* Page heading */
.page-header{padding:3rem 0 2rem;text-align:center}
.page-header h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;color:var(--text-bright);margin-bottom:.75rem}
.page-header p{color:var(--text-dim);font-size:1.0625rem;max-width:600px;margin:0 auto}

/* Responsive */
@media(max-width:768px){
.nav-toggle{display:flex}
.main-nav{position:fixed;top:var(--header-h);left:0;right:0;background:rgba(7,11,22,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transform:translateY(-100%);opacity:0;visibility:hidden;transition:transform .3s,opacity .3s,visibility .3s;padding:1rem}
.main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
.nav-list{flex-direction:column;gap:0}
.nav-link{padding:.75rem 1rem;font-size:1rem}
.footer-grid{grid-template-columns:1fr 1fr;gap:1.5rem}
.stats-bar{gap:1.5rem}
.symbol-grid{grid-template-columns:repeat(4,1fr)}
.memory-grid{grid-template-columns:repeat(3,1fr)}
.game-hud{justify-content:center}
}
@media(max-width:480px){
.hero{padding:3rem 0 2.5rem}
.footer-grid{grid-template-columns:1fr}
.modal-panel{padding:1.75rem}
.memory-grid{grid-template-columns:repeat(3,1fr)}
}