:root{--bg:#160922;--bg-2:#0b0413;--panel:#241038;--panel-2:#32154b;--pink:#ff3fad;--cyan:#2cf6ff;--lime:#b9ff3f;--yellow:#ffd84d;--purple:#8d5cff;--white:#fff9ff;--muted:#cbbbd8;--line:rgba(255,255,255,.12);--shadow:0 24px 70px rgba(0,0,0,.35);--radius:24px;--container:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--white);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background:radial-gradient(circle at 10% 10%,rgba(255,63,173,.16),transparent 28%),radial-gradient(circle at 88% 18%,rgba(44,246,255,.13),transparent 25%),linear-gradient(180deg,#160922 0%,#0d0518 100%)}body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;opacity:.2;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:34px 34px}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(var(--container),calc(100% - 36px));margin-inline:auto}.skip-link{position:absolute;left:-9999px;top:10px;background:var(--yellow);color:#160922;padding:10px 15px;border-radius:10px;z-index:999}.skip-link:focus{left:10px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(22,9,34,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:1000;letter-spacing:-.035em;font-size:clamp(18px,2.5vw,25px)}.brand img{width:45px;height:45px;filter:drop-shadow(0 8px 16px rgba(44,246,255,.2))}.brand span{background:linear-gradient(90deg,#fff 0 34%,var(--pink) 34% 68%,var(--cyan) 68%);background-clip:text;-webkit-background-clip:text;color:transparent}.main-nav{display:flex;align-items:center;gap:28px}.main-nav a{font-size:14px;font-weight:850;color:#e9dff1;position:relative}.main-nav a:not(.nav-cta):after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:3px;border-radius:99px;background:linear-gradient(90deg,var(--pink),var(--cyan));transition:.22s}.main-nav a:hover:after,.main-nav a.active:after{right:0}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:15px;padding:13px 18px;font-weight:950;letter-spacing:.02em;cursor:pointer;transition:transform .18s,filter .18s,box-shadow .18s}.nav-cta,.btn-primary{background:linear-gradient(135deg,var(--pink),var(--purple));color:white;box-shadow:0 7px 0 #651c59}.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.1)}.btn-secondary{background:rgba(255,255,255,.07);border:1px solid var(--line);color:white}.menu-toggle{display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);background:rgba(255,255,255,.07);color:white;font-size:22px}.game-hero{padding:26px 0 34px}.game-frame-shell{position:relative;padding:9px;border-radius:29px;background:linear-gradient(135deg,var(--pink),var(--purple),var(--cyan));box-shadow:var(--shadow)}.game-frame-shell:before{content:"LIVE RHYTHM BATTLE";position:absolute;top:-14px;left:24px;z-index:2;padding:7px 12px;border-radius:99px;background:var(--yellow);color:#160922;font-size:10px;font-weight:1000;letter-spacing:.15em;box-shadow:0 6px 0 #8c6410}.game-frame{display:block;width:100%;height:clamp(590px,72vw,890px);border:0;border-radius:21px;background:#080310}.hero-note{text-align:center;color:var(--muted);font-size:13px;margin:15px 0 0}.section{padding:82px 0}.section-tight{padding:56px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-size:12px;font-weight:1000;letter-spacing:.17em;text-transform:uppercase}.eyebrow:before{content:"";width:26px;height:4px;border-radius:99px;background:var(--pink)}h1,h2,h3{line-height:1.13;letter-spacing:-.045em;margin:0}h1{font-size:clamp(39px,7vw,78px)}h2{font-size:clamp(32px,5vw,54px)}h3{font-size:21px}.section-head p{max-width:560px;color:var(--muted);margin:0}.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.intro-copy p{font-size:18px;color:#d6c7df}.highlight-title{background:linear-gradient(90deg,var(--pink),var(--yellow),var(--cyan));background-clip:text;-webkit-background-clip:text;color:transparent}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.stat{padding:24px;border-radius:21px;background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.035));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}.stat strong{display:block;font-size:34px;color:var(--yellow);line-height:1}.stat span{color:var(--muted);font-size:13px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{position:relative;padding:27px 23px;border-radius:22px;background:var(--panel);border:1px solid var(--line);overflow:hidden}.step:after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-55px;bottom:-55px;background:var(--accent,rgba(255,63,173,.2))}.step-num{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--yellow);color:#160922;font-weight:1000;box-shadow:0 5px 0 #8d6510;margin-bottom:18px}.step p,.feature p,.post-card p,.mode p{color:var(--muted);margin-bottom:0}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature{padding:25px;border-radius:22px;background:linear-gradient(145deg,var(--panel-2),var(--panel));border:1px solid var(--line);transition:transform .2s,border-color .2s}.feature:hover{transform:translateY(-5px);border-color:rgba(44,246,255,.45)}.feature-icon{width:50px;height:50px;display:grid;place-items:center;border-radius:16px;background:var(--accent-bg,rgba(255,63,173,.15));font-size:25px;margin-bottom:17px}.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.post-card{background:#211031;border:1px solid var(--line);border-radius:23px;overflow:hidden;display:flex;flex-direction:column;transition:transform .22s,border-color .22s}.post-card:hover{transform:translateY(-7px);border-color:rgba(255,63,173,.55)}.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#080310}.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.post-card:hover .post-thumb img{transform:scale(1.06)}.post-body{padding:22px;display:flex;flex-direction:column;flex:1}.post-tag{font-size:10px;font-weight:1000;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase}.post-card h3{margin:8px 0 10px}.read-more{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:18px;color:var(--yellow);font-weight:900}.read-more span{transition:transform .2s}.post-card:hover .read-more span{transform:translateX(5px)}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.mode{padding:29px;border-radius:24px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(141,92,255,.16),rgba(255,255,255,.035));position:relative;overflow:hidden}.mode strong{display:inline-flex;padding:6px 10px;border-radius:99px;background:var(--yellow);color:#160922;font-size:11px;letter-spacing:.1em;margin-bottom:14px}.faq-list{display:grid;gap:12px;max-width:900px;margin:auto}.faq-item{border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045);overflow:hidden}.faq-question{width:100%;padding:19px 21px;border:0;background:transparent;color:white;display:flex;justify-content:space-between;text-align:left;font-weight:900;cursor:pointer}.faq-question span{color:var(--cyan);font-size:20px;transition:transform .2s}.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s}.faq-answer>div{overflow:hidden}.faq-answer p{margin:0;padding:0 21px 20px;color:var(--muted)}.faq-item.open .faq-answer{grid-template-rows:1fr}.faq-item.open .faq-question span{transform:rotate(45deg)}.cta-box{margin-top:36px;padding:32px;border-radius:25px;background:linear-gradient(135deg,rgba(255,63,173,.2),rgba(44,246,255,.12));border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:space-between;gap:24px}.site-footer{margin-top:50px;background:#0c0414;border-top:1px solid var(--line)}.footer-main{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:60px;padding:70px 0 48px}.footer-brand p{color:var(--muted);max-width:360px}.footer-col h3{font-size:16px;margin-bottom:18px}.footer-col a{display:block;color:#bfaecc;margin:10px 0;transition:color .2s,transform .2s}.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}.footer-bottom{padding:22px 0;border-top:1px solid var(--line);text-align:center;color:#bfaecc}.footer-bottom a{color:var(--pink);font-weight:900}.inner-hero{padding:82px 0 40px;text-align:center}.inner-hero p{max-width:760px;margin:18px auto 0;color:var(--muted);font-size:18px}.breadcrumbs{display:flex;justify-content:center;gap:9px;color:#a995b9;font-size:13px;margin-bottom:18px}.breadcrumbs a{color:var(--cyan)}.content-wrap{width:min(880px,calc(100% - 36px));margin:auto}.article-cover{border-radius:25px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:34px}.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}.article-content{background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:25px;padding:clamp(25px,5vw,54px)}.article-content h2{font-size:30px;margin:36px 0 12px;color:var(--yellow)}.article-content h2:first-child{margin-top:0}.article-content p{color:#d6c8df;font-size:17px}.article-callout{margin:34px 0 0;padding:24px;border-left:5px solid var(--cyan);border-radius:0 18px 18px 0;background:rgba(44,246,255,.08)}.legal-content h2{font-size:28px;margin-top:32px;color:var(--yellow)}.legal-content ul{color:#d6c8df}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}.contact-card,.contact-form{padding:28px;border-radius:23px;background:var(--panel);border:1px solid var(--line)}.contact-card p{color:var(--muted)}.field{margin-bottom:15px}.field label{display:block;font-weight:800;margin-bottom:7px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:13px;background:#12071d;color:white;padding:13px 14px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(44,246,255,.1)}.field textarea{min-height:140px;resize:vertical}.form-message{min-height:24px;color:var(--lime);font-weight:800}.sitemap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.sitemap-box{padding:25px;border-radius:22px;background:var(--panel);border:1px solid var(--line)}.sitemap-box a{display:block;color:var(--cyan);margin:10px 0}.not-found{text-align:center;padding:120px 20px}.not-found strong{display:block;font-size:clamp(100px,22vw,230px);line-height:.8;color:var(--pink);text-shadow:8px 8px 0 #080310}.scroll-top{position:fixed;right:20px;bottom:20px;width:47px;height:47px;border:1px solid var(--line);border-radius:15px;background:var(--pink);color:white;font-size:22px;font-weight:1000;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s;z-index:100}.scroll-top.show{opacity:1;pointer-events:auto;transform:none}@media(max-width:980px){.main-nav{position:absolute;top:76px;left:18px;right:18px;display:none;flex-direction:column;align-items:stretch;gap:7px;padding:18px;border-radius:18px;background:#1d0c2c;border:1px solid var(--line);box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:10px}.menu-toggle{display:block}.intro-grid,.contact-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.features-grid,.posts-grid{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1.5fr 1fr;gap:38px}.game-frame{height:720px}}@media(max-width:680px){.container{width:min(100% - 24px,var(--container))}.nav-wrap{min-height:68px}.brand img{width:39px;height:39px}.brand span{font-size:17px}.main-nav{top:68px}.section{padding:60px 0}.section-head{display:block}.section-head p{margin-top:12px}.steps,.features-grid,.posts-grid,.mode-grid,.footer-main,.sitemap-grid{grid-template-columns:1fr}.game-hero{padding-top:20px}.game-frame-shell{padding:5px;border-radius:20px}.game-frame{height:700px;border-radius:15px}.stat-grid{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta-box .btn{margin-top:18px;width:100%}.inner-hero{padding-top:60px}.article-content{border-radius:19px}.contact-grid{grid-template-columns:1fr}}

/* Mobile navigation enhancement */
.menu-toggle{position:relative;z-index:1003;align-items:center;justify-content:center;cursor:pointer;touch-action:manipulation}.menu-toggle:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.menu-icon{display:grid;gap:5px;width:22px}.menu-icon i{display:block;width:100%;height:2px;border-radius:99px;background:currentColor;transition:transform .22s ease,opacity .22s ease}.menu-toggle.active .menu-icon i:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-toggle.active .menu-icon i:nth-child(2){opacity:0}.menu-toggle.active .menu-icon i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-backdrop{display:none;position:fixed;inset:0;z-index:998;border:0;background:rgba(3,1,7,.72);backdrop-filter:blur(5px);padding:0}.nav-backdrop.show{display:block}
@media(max-width:980px){body.menu-open{overflow:hidden}.main-nav{z-index:1002;display:flex;visibility:hidden;opacity:0;transform:translateY(-12px) scale(.985);pointer-events:none;max-height:calc(100dvh - 102px);overflow:auto;transition:opacity .2s ease,transform .2s ease,visibility .2s}.main-nav.open{visibility:visible;opacity:1;transform:none;pointer-events:auto}.main-nav a{min-height:46px;display:flex;align-items:center;border-radius:12px}.main-nav a:not(.nav-cta){padding-inline:14px;background:rgba(255,255,255,.035)}.main-nav a:not(.nav-cta):after{display:none}.nav-cta{margin-top:5px}.menu-toggle{display:flex}.site-header{z-index:1001}}
@media(max-width:680px){.main-nav{left:12px;right:12px;padding:14px}.game-frame{height:760px}.hero-note{font-size:12px}}

/* Full-screen game launcher and responsive mobile frame */
.game-frame-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:8px 9px 12px;color:#fff;font-size:12px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}.game-frame-toolbar span{padding-left:10px;color:#f5eaff}.game-fullscreen-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid rgba(255,255,255,.24);border-radius:12px;padding:9px 13px;background:#160922;color:#fff;font-weight:950;cursor:pointer;box-shadow:0 5px 0 rgba(0,0,0,.32);touch-action:manipulation}.game-fullscreen-btn:hover{background:#2a1041}.game-fullscreen-btn:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(0,0,0,.32)}
.game-frame-shell:fullscreen,.game-frame-shell:-webkit-full-screen,.game-frame-shell.is-fallback-fullscreen{position:fixed!important;inset:0!important;z-index:99999!important;width:100%!important;height:100%!important;max-width:none!important;margin:0!important;padding:0!important;border-radius:0!important;background:#090511!important;display:flex!important;flex-direction:column!important}.game-frame-shell:fullscreen .game-frame-toolbar,.game-frame-shell:-webkit-full-screen .game-frame-toolbar,.game-frame-shell.is-fallback-fullscreen .game-frame-toolbar{flex:0 0 auto;padding:7px 10px;background:#160922}.game-frame-shell:fullscreen .game-frame,.game-frame-shell:-webkit-full-screen .game-frame,.game-frame-shell.is-fallback-fullscreen .game-frame{flex:1 1 auto;height:100%!important;min-height:0;border-radius:0}.game-frame-shell:fullscreen:before,.game-frame-shell:-webkit-full-screen:before,.game-frame-shell.is-fallback-fullscreen:before{display:none}body.game-fallback-fullscreen{overflow:hidden}
@media(max-width:680px){.game-frame-toolbar{padding:7px 7px 10px}.game-frame-toolbar span{font-size:9px;padding-left:5px}.game-fullscreen-btn{padding:9px 11px;font-size:11px}.game-frame{height:790px}.game-frame-shell{border-radius:18px}.hero-note{line-height:1.45}}
@media(max-width:430px){.game-frame{height:820px}.game-frame-toolbar span{max-width:145px;line-height:1.2}}