:root{
  --bg:#0d1117;
  --bg-deep:#080b11;
  --surface:#141b25;
  --surface-2:#101620;
  --surface-3:#1a232f;
  --line:rgba(255,255,255,.06);
  --line-strong:rgba(255,255,255,.11);
  --accent:#00ffa3;
  --accent-2:#00d9ff;
  --accent-soft:rgba(0,255,163,.13);
  --accent-ink:#02130c;
  --glow:rgba(0,255,163,.4);
  --blue:#5b8cff;
  --text:#e8eef6;
  --text-dim:#8e9bad;
  --radius:12px;
  --radius-lg:16px;
  --radius-sm:8px;
  --grad:linear-gradient(120deg,#00ffa3 0%,#00d9ff 100%);
  --grad-soft:linear-gradient(120deg,rgba(0,255,163,.16) 0%,rgba(91,140,255,.14) 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Manrope,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px),
    radial-gradient(1100px 620px at 82% -10%,rgba(31,182,201,.13),transparent 65%);
  background-size:64px 64px,64px 64px,auto;
  background-repeat:repeat,repeat,no-repeat;
  background-attachment:fixed,fixed,scroll;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* Header */
.header{
  background:rgba(8,11,17,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  position:sticky;top:0;z-index:50;
  border-bottom:1px solid var(--line-strong);
}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 0;
}
.header__logo img{height:38px;width:auto}
.header__actions{display:flex;gap:10px;align-items:center}
.btn{
  position:relative;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;
  font-weight:800;font-size:14px;letter-spacing:.09em;text-transform:uppercase;
  padding:13px 28px;border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease,background .18s ease;
  cursor:pointer;text-align:center;
}
.btn--primary{
  background:var(--grad);color:var(--accent-ink);
  box-shadow:0 4px 18px rgba(0,255,163,.3),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn--primary::after{
  content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);
  transition:left .55s ease;
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px var(--glow),inset 0 1px 0 rgba(255,255,255,.6)}
.btn--primary:hover::after{left:120%}
.btn--primary:active{transform:translateY(0)}
.btn--outline{
  border-color:rgba(0,255,163,.45);color:var(--accent);
  background:rgba(0,255,163,.06);
}
.btn--outline:hover{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 18px rgba(0,255,163,.22)}
.btn--big{padding:17px 50px;font-size:16px;letter-spacing:.11em}
/* Play triangle on the hero button only */
.hero__content .btn--primary::before{
  content:"";flex-shrink:0;
  width:0;height:0;
  border-style:solid;
  border-width:7px 0 7px 12px;
  border-color:transparent transparent transparent var(--accent-ink);
}
@media (max-width:560px){
  .header__inner{padding:11px 0}
  .header__logo img{height:28px}
  .header__actions{gap:7px}
  .header__actions .btn{padding:10px 15px;font-size:12px}
}

/* Hero */
.hero{padding:34px 0 14px}
.hero__card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:var(--bg-deep);
  border:1px solid var(--line-strong);
  min-height:460px;
  display:flex;align-items:center;
}
.hero__bg{
  position:absolute;inset:0;z-index:1;
  width:100%;height:100%;
  object-fit:cover;object-position:right center;
  filter:brightness(.85) saturate(1.02);
}
.hero__card::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(96deg,rgba(8,11,17,.94) 0%,rgba(8,11,17,.72) 44%,rgba(8,11,17,.1) 80%);
}
.hero__card::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;z-index:2;
  background:var(--grad);
}
.hero__overlay{
  position:absolute;inset:0;z-index:1;
  display:block;
  background:linear-gradient(180deg,rgba(8,11,17,.18) 0%,rgba(8,11,17,.34) 100%);
}
.hero__content{
  position:relative;z-index:2;
  padding:58px 54px;max-width:660px;
}
.hero__badge{
  display:inline-block;margin-bottom:20px;
  padding:7px 13px;border-radius:var(--radius-sm);
  background:var(--accent-soft);
  border:1px solid rgba(0,255,163,.32);
  color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
}
.hero__title{
  position:relative;
  font-size:60px;line-height:1.05;font-weight:800;
  letter-spacing:-.03em;
  color:var(--text);
  padding-bottom:22px;margin-bottom:30px;
}
.hero__title::after{
  content:"";position:absolute;left:0;bottom:0;
  width:96px;height:4px;border-radius:2px;
  background:var(--grad);
}
@media (max-width:900px){
  .hero__card{min-height:390px}
  .hero__bg{object-position:75% center}
  .hero__content{padding:42px 30px}
  .hero__title{font-size:40px}
}
@media (max-width:560px){
  .hero__card{min-height:0}
  .hero__card::before{background:linear-gradient(180deg,rgba(8,11,17,.66),rgba(8,11,17,.94))}
  .hero__overlay{background:rgba(8,11,17,.42)}
  .hero__content{padding:38px 22px;max-width:100%}
  .hero__title{font-size:33px;margin-bottom:22px}
  .hero__badge{margin-bottom:16px;font-size:11px}
  .btn--big{width:100%}
}

/* Page Contents */
.toc{padding:10px 0 20px}
.toc__card{
  position:relative;overflow:hidden;
  background:var(--surface-2);
  border:1px solid var(--line-strong);
  border-top:3px solid var(--accent);
  border-radius:var(--radius);
  padding:20px 24px;
}
.toc__toggle{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  background:none;border:none;color:var(--text);
  font-family:inherit;
  font-size:17px;font-weight:800;letter-spacing:-.01em;text-transform:uppercase;
  cursor:pointer;padding:0;
}
.toc__chevron{
  width:30px;height:30px;padding:6px;flex-shrink:0;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  stroke:var(--accent);
  transition:transform .25s ease,border-color .2s ease;
}
.toc__toggle:hover .toc__chevron{border-color:var(--accent)}
.toc__card.is-collapsed .toc__chevron{transform:rotate(-90deg)}
.toc__list{
  list-style:none;counter-reset:toc;
  display:grid;grid-template-columns:1fr 1fr;
  gap:2px 30px;
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.toc__card.is-collapsed .toc__list{display:none}
.toc__list li{position:relative;counter-increment:toc;padding:6px 0 6px 30px}
.toc__list li::before{
  content:counter(toc) ".";
  position:absolute;left:0;top:6px;
  color:var(--accent);
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.toc__list a{
  color:var(--text-dim);font-size:15px;
  border-bottom:1px solid transparent;
  transition:color .15s ease,border-color .15s ease;
}
.toc__list a:hover{color:var(--text);border-bottom-color:var(--accent)}
@media (max-width:700px){
  .toc__list{grid-template-columns:1fr}
}

/* Games */
.games{padding:36px 0 18px}
.games__grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:14px;
}
@media (max-width:1000px){.games__grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:700px){.games__grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:480px){.games__grid{grid-template-columns:repeat(2,1fr);gap:10px}}
.game{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.game img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;transition:transform .3s ease}
.game:hover{
  border-color:var(--accent);
  box-shadow:0 0 0 1px rgba(0,255,163,.3),0 8px 26px rgba(0,255,163,.16);
}
.game:hover img{transform:scale(1.05)}
.game::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,11,17,.25) 0%,rgba(8,11,17,.82) 100%);
  opacity:0;transition:opacity .22s ease;
}
.game::after{
  content:"PLAY";
  position:absolute;z-index:2;
  left:50%;top:50%;
  padding:9px 22px;border-radius:999px;
  background:var(--grad);
  color:var(--accent-ink);
  font-weight:800;letter-spacing:.14em;font-size:12px;
  box-shadow:0 6px 20px rgba(0,255,163,.45);
  opacity:0;
  transform:translate(-50%,-50%) scale(.82);
  transition:opacity .22s ease,transform .22s cubic-bezier(.34,1.56,.64,1);
}
.game:hover::before{opacity:1}
.game:hover::after{opacity:1;transform:translate(-50%,-50%) scale(1)}
@media (max-width:480px){.game::after{padding:7px 16px;font-size:11px;letter-spacing:.1em}}

/* Section title */
.section-title{
  position:relative;
  font-size:30px;font-weight:800;letter-spacing:-.025em;
  padding-bottom:14px;margin-bottom:26px;
}
.section-title::after{
  content:"";position:absolute;left:0;bottom:0;
  width:56px;height:3px;border-radius:2px;background:var(--grad);
}
@media (max-width:560px){.section-title{font-size:23px;margin-bottom:20px}}

/* Feature cards */
.features{padding:26px 0 6px}
.features__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.features__grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.features__grid{grid-template-columns:1fr;gap:12px}}
.feature{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  transition:border-color .2s ease,background .2s ease;
}
.feature::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--grad);
  transform:scaleY(0);transform-origin:top;
  transition:transform .25s ease;
}
.feature:hover{border-color:var(--line-strong);background:var(--surface-3)}
.feature:hover::before{transform:scaleY(1)}
.feature__icon{
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--accent-soft);
  border:1px solid rgba(0,255,163,.2);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.feature__icon svg{width:22px;height:22px;stroke:var(--accent)}
.feature__title{font-weight:800;font-size:17px;margin-bottom:6px;letter-spacing:-.01em}
.feature__text{color:var(--text-dim);font-size:14px}

/* Steps */
.steps__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:800px){.steps__grid{grid-template-columns:1fr;gap:12px}}
.step{
  position:relative;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px 20px;
  transition:border-color .2s ease;
}
.step:hover{border-color:rgba(0,255,163,.35)}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:transparent;color:var(--accent);
  border:1.5px solid var(--accent);
  font-weight:800;font-size:15px;
  margin-bottom:12px;
}
.step__text{color:var(--text-dim);font-size:14px}
.step__text strong{color:var(--text)}

/* Article content */
.content{padding:22px 0 0}
.content h1{
  font-size:42px;line-height:1.12;font-weight:800;
  letter-spacing:-.035em;margin:0 0 18px;
}
.content h2{
  position:relative;
  font-size:27px;font-weight:800;letter-spacing:-.025em;
  padding-bottom:12px;margin:48px 0 18px;
}
.content h2::after{
  content:"";position:absolute;left:0;bottom:0;
  width:48px;height:3px;border-radius:2px;background:var(--grad);
}
.content h3{
  font-size:19px;font-weight:800;letter-spacing:-.01em;
  color:var(--accent);
  margin:28px 0 14px;
}
.content p{color:var(--text-dim);font-size:16px;margin:0 0 16px;max-width:960px}
.content strong{color:var(--text);font-weight:700}
.content .intro__tag{font-size:18px;color:#b9c4d2}
.content .intro__tag strong{color:var(--accent)}
.content ul{list-style:none;margin:0 0 18px;display:flex;flex-direction:column;gap:8px;max-width:960px}
.content li{
  position:relative;
  color:var(--text-dim);font-size:15px;
  padding:14px 18px 14px 34px;
  background:var(--surface-2);
  border:1px solid var(--line);
  border-left:2px solid rgba(0,255,163,.35);
  border-radius:var(--radius-sm);
  transition:border-left-color .2s ease,background .2s ease;
}
.content li::before{
  content:"";position:absolute;left:16px;top:22px;
  width:6px;height:6px;
  background:var(--accent);
  transform:rotate(45deg);
}
.content li:hover{border-left-color:var(--accent);background:var(--surface-3)}
.tbl-wrap{
  overflow-x:auto;margin:0 0 18px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:var(--surface-2);
}
.content table{width:100%;border-collapse:collapse;min-width:560px}
.content th{
  text-align:left;padding:14px 18px;
  background:var(--surface-3);
  border-bottom:2px solid var(--accent);
  color:var(--accent);
  font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
.content td{
  padding:13px 18px;color:var(--text-dim);font-size:15px;
  border-top:1px solid var(--line);
}
.content tbody tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.content tbody tr:hover td{background:rgba(0,255,163,.06);color:var(--text)}
.content td:first-child{color:var(--text);font-weight:700}
.tbl-wrap--pros,.tbl-wrap--cons{position:relative;margin-bottom:0}
.tbl-wrap--pros table,.tbl-wrap--cons table{min-width:0}
.tbl-wrap--pros{border-color:rgba(0,255,163,.28)}
.tbl-wrap--cons{border-color:rgba(91,140,255,.26)}
.tbl-wrap--cons th{
  background:rgba(91,140,255,.1);
  border-bottom-color:var(--blue);
  color:#9db6ff;
}
.tbl-wrap--cons tbody tr:hover td{background:rgba(91,140,255,.08)}
.howto{margin-bottom:8px}
.pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:8px;align-items:start}
@media (max-width:800px){.pc-grid{grid-template-columns:1fr;gap:12px}}
.qa{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-top:2px solid rgba(0,255,163,.4);
  border-radius:var(--radius-sm);
  padding:18px 22px;margin-bottom:10px;max-width:960px;
  transition:border-top-color .2s ease,background .2s ease;
}
.qa:hover{border-top-color:var(--accent);background:var(--surface)}
.qa__q{margin-bottom:6px}
.qa__q strong{color:var(--accent);font-size:16px;letter-spacing:-.01em}
.qa__a{margin:0}
@media (max-width:560px){
  .content h1{font-size:29px}
  .content h2{font-size:22px;margin:36px 0 14px}
  .qa{padding:16px 17px}
}

/* CTA */
.cta{padding:56px 22px}
.cta .container{
  position:relative;overflow:hidden;
  max-width:1136px;
  text-align:left;
  padding:44px 44px;
  border-radius:var(--radius-lg);
  background:var(--surface-2);
  border:1px solid var(--line-strong);
}
.cta .container::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad);
}
.cta__title{font-size:33px;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.cta p{color:var(--text-dim);margin-bottom:24px;font-size:16px;max-width:620px}
@media (max-width:560px){
  .cta{padding:36px 16px}
  .cta .container{padding:32px 22px}
  .cta__title{font-size:25px}
}

/* Footer */
.footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line-strong);
  padding:34px 0;
}
.footer__inner{
  display:flex;flex-wrap:wrap;gap:18px;
  align-items:center;justify-content:space-between;
}
.footer__logo img{height:32px;width:auto;opacity:.8;transition:opacity .2s ease}
.footer__logo:hover img{opacity:1}
.footer__note{color:var(--text-dim);font-size:13px;max-width:560px}
.footer__age{
  flex-shrink:0;
  width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid rgba(0,255,163,.4);
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;
}