:root{
  --bg:#060713;--bg2:#0b0d1f;--ink:#f4f5ff;--mute:#a7abcf;--line:rgba(255,255,255,.09);
  --card:rgba(255,255,255,.045);--cyan:#4de2ff;--violet:#9b6bff;--gold:#ffc857;--pink:#ff5e9c;
  --acc:var(--cyan);--acc2:var(--violet);
  --r:24px;--max:1180px;
  --f-head:'Bricolage Grotesque','Be Vietnam Pro',system-ui,sans-serif;
  --f-body:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--f-body);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--violet);color:#fff}
html[data-lang=en] [lang=vi],html[data-lang=vi] [lang=en]{display:none!important}

/* ambient background */
#sky{position:fixed;inset:0;z-index:-2;width:100%;height:100%}
.aurora{position:fixed;inset:-20% -10% auto;height:90vh;z-index:-1;pointer-events:none;
  background:radial-gradient(50% 60% at 20% 30%,rgba(77,226,255,.18),transparent 70%),
             radial-gradient(45% 55% at 80% 20%,rgba(155,107,255,.22),transparent 70%),
             radial-gradient(40% 50% at 55% 70%,rgba(255,94,156,.10),transparent 70%);
  filter:blur(30px);animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(3%,4%,0) scale(1.08)}}

.wrap{width:min(var(--max),100% - 40px);margin-inline:auto}
/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;padding:14px 0;transition:.3s}
.nav.scrolled{background:rgba(6,7,19,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font:800 21px var(--f-head);letter-spacing:-.02em}
.logo i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-size:18px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));color:#05060f;box-shadow:0 0 24px rgba(77,226,255,.45)}
.logo b{font-weight:800;background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.links{display:flex;gap:6px;align-items:center}
.links a{padding:8px 14px;border-radius:99px;font-size:15px;color:var(--mute);transition:.2s}
.links a:hover{color:#fff;background:var(--card)}
.lang{border:1px solid var(--line);background:var(--card);color:var(--ink);padding:7px 13px;border-radius:99px;font:600 13px var(--f-body);cursor:pointer}
.lang:hover{border-color:var(--cyan)}
@media(max-width:760px){.links a:not(.keep){display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:99px;font:700 16px var(--f-body);border:1px solid transparent;cursor:pointer;transition:.25s;position:relative}
.btn.pri{background:linear-gradient(120deg,var(--acc),var(--acc2));color:#05060f;box-shadow:0 10px 40px -8px color-mix(in srgb,var(--acc) 60%,transparent)}
.btn.pri:hover{transform:translateY(-2px);box-shadow:0 16px 50px -8px color-mix(in srgb,var(--acc) 80%,transparent)}
.btn.ghost{background:var(--card);border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--acc);transform:translateY(-2px)}

/* hero */
.hero{min-height:100svh;display:grid;align-items:center;padding:130px 0 70px;position:relative}
.eyebrow{display:inline-flex;gap:10px;align-items:center;padding:7px 15px;border:1px solid var(--line);border-radius:99px;background:var(--card);font-size:13px;color:var(--mute);letter-spacing:.14em;text-transform:uppercase}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
h1,h2,h3{font-family:var(--f-head);line-height:1.04;letter-spacing:-.03em}
.hero h1{font-size:clamp(46px,8.4vw,116px);font-weight:800;margin:24px 0 22px;max-width:14ch}
.grad{background:linear-gradient(100deg,var(--cyan) 5%,var(--violet) 50%,var(--pink) 95%);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:shine 8s linear infinite}
@keyframes shine{to{background-position:200% center}}
.hero p.lead{font-size:clamp(18px,2vw,22px);color:var(--mute);max-width:56ch}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.orbit{position:relative;aspect-ratio:1;max-width:520px;justify-self:center;width:100%}
.orbit .ic{position:absolute;width:30%;border-radius:26%;box-shadow:0 30px 60px -20px #000,0 0 0 1px var(--line);animation:float 7s ease-in-out infinite}
.orbit .ic:nth-child(1){left:35%;top:2%;width:34%;animation-delay:0s}
.orbit .ic:nth-child(2){left:2%;top:46%;animation-delay:-2.3s}
.orbit .ic:nth-child(3){right:2%;top:50%;animation-delay:-4.6s}
.orbit::before{content:"";position:absolute;inset:8%;border-radius:50%;border:1px dashed rgba(255,255,255,.14);animation:spin 40s linear infinite}
.orbit::after{content:"";position:absolute;inset:26%;border-radius:50%;background:radial-gradient(circle,rgba(155,107,255,.45),transparent 70%);filter:blur(30px)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{50%{transform:translateY(-16px) rotate(2deg)}}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.orbit{max-width:340px;order:-1}.hero{padding-top:100px}}
.scroll{position:absolute;bottom:26px;left:50%;translate:-50% 0;width:26px;height:42px;border:2px solid var(--line);border-radius:14px}
.scroll::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:2px;background:var(--cyan);translate:-50% 0;animation:wheel 1.8s infinite}
@keyframes wheel{to{transform:translateY(14px);opacity:0}}

/* marquee */
.marquee{border-block:1px solid var(--line);background:rgba(255,255,255,.02);overflow:hidden;padding:18px 0}
.marquee div{display:flex;gap:56px;width:max-content;animation:mq 38s linear infinite;font:700 clamp(22px,3vw,34px) var(--f-head);color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35);text-transform:uppercase;letter-spacing:-.01em}
.marquee span::after{content:"✦";margin-left:56px;color:var(--cyan);-webkit-text-stroke:0}
@keyframes mq{to{transform:translateX(-50%)}}

/* sections */
section{padding:110px 0;position:relative}
.sec-h{max-width:760px;margin-bottom:56px}
.sec-h .tag{color:var(--cyan);font-weight:700;letter-spacing:.18em;font-size:13px;text-transform:uppercase}
.sec-h h2{font-size:clamp(34px,5vw,64px);font-weight:800;margin:12px 0 16px}
.sec-h p{color:var(--mute);font-size:19px}

/* game cards */
.games{display:grid;gap:34px}
.game{display:grid;grid-template-columns:1.1fr 1fr;gap:0;border:1px solid var(--line);border-radius:32px;overflow:hidden;background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));position:relative;transition:transform .4s,border-color .4s;--acc:var(--c1);--acc2:var(--c2)}
.game:hover{border-color:color-mix(in srgb,var(--c1) 60%,transparent)}
.game:nth-child(even){grid-template-columns:1fr 1.1fr}
.game:nth-child(even) .g-art{order:2}
.g-art{position:relative;min-height:380px;overflow:hidden}
.g-art img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.game:hover .g-art img.bg{transform:scale(1.07)}
.g-art::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(6,7,19,.85))}
.game:nth-child(even) .g-art::after{background:linear-gradient(270deg,transparent 55%,rgba(6,7,19,.85))}
.g-body{padding:clamp(28px,4vw,52px);display:flex;flex-direction:column;justify-content:center;gap:16px}
.badge{align-self:flex-start;padding:5px 13px;border-radius:99px;font:700 12px var(--f-body);letter-spacing:.1em;text-transform:uppercase;border:1px solid color-mix(in srgb,var(--c1) 55%,transparent);color:var(--c1);background:color-mix(in srgb,var(--c1) 12%,transparent)}
.badge.dev{--c1:var(--gold)}
.g-title{display:flex;align-items:center;gap:16px}
.g-title img{width:68px;height:68px;border-radius:18px;box-shadow:0 10px 30px -8px #000,0 0 0 1px var(--line)}
.g-title h3{font-size:clamp(28px,3.4vw,42px);font-weight:800}
.g-body p{color:var(--mute)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{list-style:none;padding:5px 13px;border-radius:99px;background:var(--card);border:1px solid var(--line);font-size:13.5px;color:#d9dcf5}
.g-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.g-links .btn{padding:12px 22px;font-size:15px}
@media(max-width:860px){.game,.game:nth-child(even){grid-template-columns:1fr}.game:nth-child(even) .g-art{order:0}.g-art{min-height:240px}.g-art::after{background:linear-gradient(180deg,transparent 50%,rgba(6,7,19,.9))!important}}

/* values */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.val{padding:34px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);transition:.3s;position:relative;overflow:hidden}
.val:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.2)}
.val .n{font:800 56px var(--f-head);background:linear-gradient(120deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.9}
.val h3{font-size:24px;margin:8px 0 10px}
.val p{color:var(--mute);font-size:16px}
@media(max-width:860px){.vals{grid-template-columns:1fr}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:70px;text-align:center}
.stats b{display:block;font:800 clamp(38px,5vw,64px) var(--f-head);letter-spacing:-.04em}
.stats span{color:var(--mute);font-size:15px}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
.step{padding:30px;border-radius:var(--r);border:1px solid var(--line);background:var(--card)}
.step small{color:var(--cyan);font-weight:700;letter-spacing:.14em}
.step h3{font-size:24px;margin:8px 0}
.step p{color:var(--mute);font-size:15.5px}
.step.now{border-color:rgba(255,200,87,.5);background:linear-gradient(160deg,rgba(255,200,87,.09),transparent)}
@media(max-width:860px){.road{grid-template-columns:1fr}}

/* contact */
.contact{text-align:center;padding:90px 20px;border-radius:40px;border:1px solid var(--line);position:relative;overflow:hidden;background:radial-gradient(70% 90% at 50% 0%,rgba(155,107,255,.28),transparent 70%),var(--card)}
.contact h2{font-size:clamp(34px,5.4vw,70px);font-weight:800;margin-bottom:16px}
.contact p{color:var(--mute);max-width:52ch;margin:0 auto 34px;font-size:19px}

footer{border-top:1px solid var(--line);padding:46px 0 60px;color:var(--mute);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
footer nav{display:flex;flex-wrap:wrap;gap:22px}
footer a:hover{color:#fff}
.fcol{display:grid;gap:8px}
.fcol h4{color:#fff;font:700 14px var(--f-body);letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}

/* reveal */
.rv{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.12s}.rv.d2{transition-delay:.24s}

/* game page */
.ghero{padding:150px 0 80px;position:relative;overflow:hidden;--acc:var(--c1);--acc2:var(--c2)}
.ghero .bgimg{position:absolute;inset:0;z-index:-1;background-size:cover;background-position:center;opacity:.26;filter:blur(10px) saturate(1.2);transform:scale(1.08);mask-image:linear-gradient(#000 40%,transparent);-webkit-mask-image:linear-gradient(#000 40%,transparent)}
.ghero .row{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.ghero .ico{width:104px;height:104px;border-radius:26px;box-shadow:0 20px 50px -10px #000,0 0 0 1px var(--line);margin-bottom:24px}
.ghero h1{font-size:clamp(40px,6.4vw,84px);font-weight:800;margin-bottom:14px}
.ghero .lead{font-size:clamp(18px,2vw,22px);color:#cfd2ee;max-width:52ch}
.ghero .side{justify-self:center}
.ghero .side img{max-height:560px;width:auto;border-radius:28px;box-shadow:0 40px 80px -20px #000,0 0 0 1px var(--line)}
@media(max-width:860px){.ghero .row{grid-template-columns:1fr}.ghero .side img{max-height:420px}}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat div{padding:28px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.feat h3{font-size:21px;margin-bottom:8px;color:var(--acc)}
.feat p{color:var(--mute);font-size:15.5px}
@media(max-width:860px){.feat{grid-template-columns:1fr}}
.shots{display:flex;gap:18px;overflow-x:auto;padding:8px 20px 30px;scroll-snap-type:x mandatory;margin-inline:calc((100vw - min(var(--max),100vw - 40px))/-2)}
.shots img{height:min(560px,70vh);width:auto;border-radius:22px;border:1px solid var(--line);scroll-snap-align:center;flex:none;box-shadow:0 20px 50px -20px #000}
.shots::-webkit-scrollbar{height:8px}.shots::-webkit-scrollbar-thumb{background:var(--line);border-radius:9px}
.info{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.info div{padding:22px;border-radius:18px;border:1px solid var(--line);background:var(--card)}
.info small{display:block;color:var(--mute);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}
.info b{font-size:17px}
@media(max-width:860px){.info{grid-template-columns:repeat(2,1fr)}}
.back{display:inline-flex;gap:8px;color:var(--mute);font-size:15px;margin-bottom:26px}
.back:hover{color:#fff}

/* legal */
.legal{padding:140px 0 80px;max-width:800px}
.legal h1{font-size:clamp(34px,5vw,56px);font-weight:800;margin-bottom:8px}
.legal .upd{color:var(--mute);margin-bottom:34px;font-size:15px}
.legal h2{font-size:26px;margin:38px 0 10px}
.legal p,.legal li{color:#cfd2ee;margin-bottom:12px}
.legal ul{padding-left:22px}
.legal a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.faq details{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:18px 22px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;font-size:17px}
.faq details[open] summary{margin-bottom:10px;color:var(--cyan)}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}