:root{--bg:#0a0e1a;--bg-soft:#0d1220;--surface:#131a2b;--surface-2:#1b2440;--border:#2a3557;--text:#e9edf7;--text-muted:#c8d7ff;--text-faint:#a8beff;--accent:#ff5470;--accent-2:#3ecbff;--accent-3:#ffb86b;--accent-rgb:255,84,112;--accent2-rgb:62,203,255;--shadow:0 20px 60px -20px #0000008c;--radius-s:8px;--radius-m:14px;--radius-l:24px;--font-display:"Segoe UI","SF Pro Display",-apple-system,"Helvetica Neue",Arial,sans-serif;--font-body:"Segoe UI",-apple-system,"Helvetica Neue",Roboto,Arial,sans-serif;--font-mono:SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;--header-h:72px;--container:1180px;color-scheme:dark}
html[data-theme="light"]{--bg:#f4f6fb;--bg-soft:#eceff7;--surface:#fff;--surface-2:#eef1fa;--border:#dde3f2;--text:#0d101f;--text-muted:#1d202b;--text-faint:#171e35;--accent:#e8365a;--accent-2:#0aa8e0;--accent-3:#e08a2c;--shadow:0 20px 50px -25px #14193240;color-scheme:light}
*,::before,::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background-color .35s ease,color .35s ease;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font:inherit;cursor:pointer}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-2);font-weight:700}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);display:inline-block;transform:skewX(-20deg)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;margin:0 0 .5em;color:var(--text)}
h2{font-size:clamp(1.7rem,1.3rem + 1.6vw,2.5rem);font-style:italic}
h3{font-size:1.2rem;font-style:normal}
p{color:var(--text-muted);margin:0 0 1em}
.section{padding:44px 0;position:relative}
.section-head{max-width:640px;margin-bottom:44px}
.section-head p{font-size:1.05rem}
.section-alt{background:var(--bg-soft)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
.skip-link{position:absolute;top:-48px;left:12px;background:var(--accent);color:#fff;padding:10px 16px;border-radius:var(--radius-s);z-index:999;transition:top .2s ease}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;border-radius:999px;font-weight:700;font-size:.98rem;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(100deg,var(--accent),#ff8a5c);color:#160810;box-shadow:0 14px 30px -12px rgba(var(--accent-rgb),.65)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -12px rgba(var(--accent-rgb),.75)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent-2);color:var(--accent-2)}
.btn-sm{padding:9px 16px;font-size:.85rem}
.btn-icon{width:42px;height:42px;padding:0;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);color:var(--text)}
.btn-icon:hover{border-color:var(--accent-2)}
.site-header{position:sticky;top:0;z-index:500;height:var(--header-h);display:flex;align-items:center;background:#0a0e1ab8;backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--border)}
html[data-theme="light"] .site-header{background:#f4f6fbc7}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.15rem}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-2));position:relative;flex-shrink:0;transform:rotate(-8deg)}
.brand-mark::after{content:"";position:absolute;left:7px;top:16px;width:20px;height:3px;background:#0a0e1a;border-radius:3px;transform:rotate(-24deg)}
html[data-theme="light"] .brand-mark::after{background:#fff}
.brand-name em{font-style:italic;color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-size:.93rem;font-weight:600;color:var(--text-muted);position:relative;padding:6px 0}
.main-nav a:hover{color:var(--text)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent-2);transition:width .2s ease}
.main-nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.theme-toggle{position:relative;width:56px;height:30px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);padding:3px;display:flex;align-items:center}
.theme-toggle .knob{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));transform:translateX(0);transition:transform .25s ease;display:flex;align-items:center;justify-content:center;font-size:12px}
html[data-theme="light"] .theme-toggle .knob{transform:translateX(26px)}
.hamburger{display:none;width:42px;height:42px;border-radius:var(--radius-s);background:var(--surface-2);border:1px solid var(--border);position:relative}
.hamburger span,.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:6px;width:20px;height:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.hamburger span{top:20px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger[aria-expanded="true"] span{background:transparent}
.hamburger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{position:fixed;height:350px;inset:var(--header-h) 0 0 0;background:var(--bg);z-index:400;padding:28px 24px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;overflow-y:auto}
.mobile-nav.open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-nav ul{display:flex;flex-direction:column;gap:4px}
.mobile-nav a{display:block;padding:16px 6px;font-size:1.15rem;font-weight:700;border-bottom:1px solid var(--border);color:var(--text)}
.mobile-nav .btn{margin-top:24px;width:100%}
.hero{position:relative;padding:64px 0 56px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-20%;left:55%;width:160%;height:220%;background:linear-gradient(100deg,transparent 42%,rgba(var(--accent-rgb),.16) 46%,rgba(var(--accent2-rgb),.12) 50%,transparent 54%);transform:rotate(-18deg);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(2.3rem,1.6rem + 3vw,3.6rem);line-height:1.04;margin:14px 0 18px}
.hero-copy h1 .accent{font-style:italic;background:linear-gradient(100deg,var(--accent),var(--accent-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p.lead{font-size:1.1rem;max-width:46ch}
.hero-cta{display:flex;align-items:center;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;margin-top:36px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--font-display);font-size:1.5rem;color:var(--text)}
.hero-stats span{font-size:.8rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em}
.game-panel{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:14px;box-shadow:var(--shadow)}
.game-panel-bar{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 14px}
.game-panel-bar .dots{display:flex;gap:6px}
.game-panel-bar .dots span{width:10px;height:10px;border-radius:50%;background:var(--border)}
.game-panel-bar .dots span:nth-child(1){background:var(--accent)}
.game-panel-bar .dots span:nth-child(2){background:var(--accent-3)}
.game-panel-bar .dots span:nth-child(3){background:var(--accent-2)}
.game-panel-bar .tag{font-family:var(--font-mono);font-size:.75rem;color:var(--text-faint)}
.game-frame-wrap{position:relative;width:100%;aspect-ratio:16 / 10;border-radius:var(--radius-m);overflow:hidden;background:#05070d;border:1px solid var(--border)}
.game-frame-wrap iframe{width:100%;height:100%;border:0;display:block}
.game-frame-wrap:fullscreen iframe,.game-frame-wrap:-webkit-full-screen iframe{width:100vw;height:100vh}
.game-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#05070d;color:var(--text-faint);font-family:var(--font-mono);font-size:.85rem;transition:opacity .3s ease}
.game-loading .spinner{width:26px;height:26px;border-radius:50%;border:3px solid var(--surface-2);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin {
to{transform:rotate(360deg)}
}
.game-loading.hidden{opacity:0;pointer-events:none}
.game-controls{display:flex;justify-content:flex-end;gap:10px;padding-top:14px}
.ad-slot{margin:40px auto 0;max-width:728px}
.ad-slot .ad-box{width:100%;max-width:728px;height:90px;margin:0 auto;border:1px dashed var(--border);border-radius:var(--radius-s);display:flex;align-items:center;justify-content:center;color:var(--text-faint);font-family:var(--font-mono);font-size:.78rem;background:var(--surface);letter-spacing:.04em}
.about-text{max-width:760px}
.about-text p{font-size:1.02rem}
.steps{position:relative;display:grid;gap:22px;counter-reset:step}
.steps::before{content:"";position:absolute;left:27px;top:12px;bottom:12px;width:2px;background:linear-gradient(var(--accent),var(--accent-2));opacity:.35}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:flex-start}
.step-num{counter-increment:step;width:56px;height:56px;border-radius:50%;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:1.2rem;color:var(--accent-2);z-index:1}
.step-body{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:18px 22px}
.step-body h3{margin-bottom:.3em}
.step-body p{margin:0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);padding:26px 22px;transition:transform .2s ease,border-color .2s ease}
.feature-card:hover{transform:translateY(-4px);border-color:var(--accent-2)}
.feature-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,rgba(var(--accent-rgb),.18),rgba(var(--accent2-rgb),.18));display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.3rem}
.feature-card h3{font-size:1.05rem}
.feature-card p{font-size:.93rem;margin:0}
.faq-list{max-width:780px;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:700;font-family:var(--font-display)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--accent-2);transition:transform .2s ease}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 22px 20px}
.faq-item .faq-a p{margin:0;font-size:.95rem}
.final-cta{text-align:center;background:linear-gradient(135deg,rgba(var(--accent-rgb),.14),rgba(var(--accent2-rgb),.1));border:1px solid var(--border);border-radius:var(--radius-l);padding:56px 24px}
.final-cta h2{margin-bottom:.3em}
.final-cta p{max-width:50ch;margin:0 auto 26px}
.site-footer{border-top:1px solid var(--border);padding:44px 0 28px;background:var(--bg-soft)}
.footer-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--border)}
.footer-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-links a{font-size:.9rem;color:var(--text-muted)}
.footer-links a:hover{color:var(--accent-2)}
.footer-source{font-size:.85rem;color:var(--text-faint)}
.footer-source a{color:var(--accent-2);font-weight:600}
.disclaimer{font-size:.8rem;color:var(--text-faint);max-width:820px;line-height:1.7}
.footer-bottom{margin-top:18px;font-size:.8rem;color:var(--text-faint)}
@media (max-width: 900px) {
.hero-grid{grid-template-columns:1fr}
.hero-copy{order:2}
.game-panel{order:1}
.main-nav{display:none}
.hamburger{display:block}
.ad-slot{display:none}
}
@media (min-width: 901px) {
.mobile-nav{display:none}
}
@media (max-width: 640px) {
.btn-sm{display:none}
.section{padding:60px 0}
.hero{padding-top:40px}
.hero-stats{gap:20px}
.step{grid-template-columns:44px 1fr;gap:12px}
.step-num{width:44px;height:44px;font-size:1rem}
.final-cta{padding:40px 18px}
}
@media (prefers-reduced-motion: reduce) {
*{animation-duration:.001ms!important;transition-duration:.001ms!important}
html{scroll-behavior:auto}
}