/* ===== BETONGAME — "ARENA" design system (brand palette only, §24; distinct concept §18.5) ===== */
:root{
  --c-bg:#0B0C10; --c-surface:#13141A; --c-surface-2:#191C25; --c-surface-3:#222634;
  --c-accent:#E8FF00; --c-accent-dim:#C2D400;
  --c-purple:#6C4AD6; --c-purple-2:#8A6BF0;
  --c-text:#F6F7F9; --c-text-muted:#9AA0AD; --c-text-dim:#6B7180;
  --c-border:#262A33; --c-on-accent:#0B0C10;
  --c-success:#62D58F; --c-danger:#FF6B6B;
  --glow:0 0 0 1px rgba(232,255,0,.0), 0 12px 40px rgba(0,0,0,.5);
  --glow-lime:0 0 24px rgba(232,255,0,.18);
  --r:16px; --r-lg:26px; --r-sm:10px;
  --maxw:1180px; --content:800px;
  --fdisplay:"Unbounded","Arial Black",system-ui,sans-serif;
  --ftext:"Rubik","Segoe UI",system-ui,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(108,74,214,.10), transparent 60%),
  radial-gradient(900px 500px at -10% 10%, rgba(232,255,0,.06), transparent 55%),
  var(--c-bg);
  color:var(--c-text);font-family:var(--ftext);font-size:16px;line-height:1.65}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-accent);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--c-accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--fdisplay);font-weight:800;line-height:1.08;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,7vw,3.6rem)}
h2{font-size:clamp(1.5rem,4.5vw,2.4rem);margin-top:1.4em}
h3{font-size:1.15rem;font-family:var(--ftext);font-weight:700;margin-top:1.2em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em} li{margin-bottom:.4em}

.bgm-skip{position:absolute;left:-999px;top:0;background:var(--c-accent);color:var(--c-on-accent);padding:10px 16px;z-index:200;font-weight:700}
.bgm-skip:focus{left:8px;top:8px}
.bgm-wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px}
.bgm-prose{max-width:var(--content)}
.bgm-muted{color:var(--c-text-muted)} .bgm-acc{color:var(--c-accent)}

/* ---------- header (glassy, lime underglow) ---------- */
.bgm-head{position:sticky;top:0;z-index:80;background:rgba(11,12,16,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-border)}
.bgm-head__row{display:flex;align-items:center;gap:10px;min-height:62px}
.bgm-logo{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.bgm-logo img{height:28px}
.bgm-nav{display:none;margin-left:auto;gap:22px;align-items:center}
.bgm-nav a{font-family:var(--fdisplay);font-size:.82rem;font-weight:600;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.04em}
.bgm-nav a:hover,.bgm-nav a[aria-current="page"]{color:var(--c-accent);text-decoration:none}
.bgm-lang{display:flex;gap:5px;margin-left:auto;align-items:center}
.bgm-lang a{font-size:.74rem;font-weight:700;padding:6px 10px;border:1px solid var(--c-border);color:var(--c-text-muted);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}
.bgm-lang a[aria-current="true"]{background:var(--c-accent);color:var(--c-on-accent);border-color:var(--c-accent)}
.bgm-burger{margin-left:6px;width:44px;height:44px;background:var(--c-surface-2);border:1px solid var(--c-border);
  color:var(--c-accent);font-size:20px;border-radius:10px;cursor:pointer;flex:0 0 auto}
.bgm-mobnav{display:none;flex-direction:column;padding:8px 0;border-top:1px solid var(--c-border)}
.bgm-mobnav.is-open{display:flex}
.bgm-mobnav a{padding:12px 4px;color:var(--c-text);font-weight:600}
.bgm-mobnav a:hover{color:var(--c-accent);text-decoration:none}

/* ---------- hero (full-bleed, angular) ---------- */
.bgm-hero{position:relative;margin-top:18px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);
  min-height:340px;display:flex;align-items:flex-end;box-shadow:var(--glow)}
.bgm-hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.bgm-hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,12,16,.35) 0%,rgba(11,12,16,.85) 70%,rgba(11,12,16,.96) 100%)}
.bgm-hero__in{position:relative;z-index:2;padding:26px 22px}
.bgm-tag{display:inline-block;font-family:var(--fdisplay);font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--c-on-accent);background:var(--c-accent);padding:5px 12px;margin-bottom:12px;
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%)}
.bgm-hero h1{text-shadow:0 4px 30px rgba(0,0,0,.6)}
.bgm-hero h1 .bgm-acc{color:var(--c-accent);text-shadow:0 0 24px rgba(232,255,0,.45)}

/* ---------- buttons (PRIMARY = lime, distinct from betonclub) ---------- */
.bgm-btn{display:inline-block;font-family:var(--fdisplay);font-weight:700;font-size:.95rem;cursor:pointer;border:none;
  padding:14px 28px;color:var(--c-on-accent);background:var(--c-accent);text-align:center;transition:.18s;
  clip-path:polygon(12px 0,100% 0,calc(100% - 12px) 100%,0 100%)}
.bgm-btn:hover{background:var(--c-accent-dim);text-decoration:none;box-shadow:var(--glow-lime)}
.bgm-btn--ghost{background:transparent;color:var(--c-accent);border:2px solid var(--c-purple);clip-path:none;border-radius:99px}
.bgm-btn--ghost:hover{background:rgba(108,74,214,.16);box-shadow:none}
.bgm-btn--block{display:block;width:100%}
.bgm-disc{font-size:.76rem;color:var(--c-text-dim);margin-top:8px}

/* ---------- section header w/ number chip ---------- */
.bgm-sec{padding-top:6px}
.bgm-sec__h{display:flex;align-items:center;gap:14px}
.bgm-num{font-family:var(--fdisplay);font-size:.8rem;font-weight:700;color:var(--c-on-accent);background:var(--c-accent);
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}

/* ---------- cards w/ lime left bar + hover glow ---------- */
.bgm-card{background:linear-gradient(180deg,var(--c-surface-2),var(--c-surface));border:1px solid var(--c-border);
  border-left:3px solid var(--c-accent);border-radius:var(--r);padding:20px;transition:.2s}
.bgm-card:hover{box-shadow:var(--glow-lime);transform:translateY(-2px)}
.bgm-grid{display:grid;gap:14px}

/* stat tiles (quickfacts) */
.bgm-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bgm-stat{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r-sm);padding:14px}
.bgm-stat b{display:block;font-family:var(--fdisplay);color:var(--c-accent);font-size:1.05rem}
.bgm-stat span{font-size:.82rem;color:var(--c-text-muted)}

/* tables */
.bgm-tw{overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--r-sm);margin:0 0 1em}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.92rem}
caption{caption-side:top;text-align:left;color:var(--c-text-muted);font-size:.86rem;padding:8px 10px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-border)}
thead th{background:transparent;color:var(--c-accent);font-family:var(--fdisplay);font-weight:600;
  border-bottom:2px solid var(--c-accent)}
tbody tr:nth-child(even){background:rgba(255,255,255,.02)}

/* tag-cloud (outlined angular chips) */
.bgm-legend{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;font-size:.86rem}
.bgm-legend span{display:inline-flex;align-items:center;gap:6px}
.bgm-dot{width:10px;height:10px;display:inline-block}
.bgm-tags{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:9px}
.bgm-chip{display:inline-block;padding:7px 13px;font-size:.86rem;font-weight:600;border:1px solid var(--c-border);
  background:var(--c-surface-2);clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%)}
.bgm-chip[data-c="cyr"]{border-color:var(--c-accent);color:var(--c-accent)}
.bgm-chip[data-c="lat"]{border-color:var(--c-purple-2);color:#C9BBFF}
.bgm-chip[data-c="mod"]{border-color:var(--c-text-muted);color:var(--c-text)}
.bgm-chip[data-c="no"]{border-color:var(--c-success);color:var(--c-success)}
.bgm-chip[data-c="typo"]{border-color:var(--c-danger);color:#FFB3B3}

/* rating */
.bgm-rate{display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.bgm-rate__big{font-family:var(--fdisplay);font-size:3.4rem;font-weight:800;color:var(--c-accent);line-height:1;text-shadow:var(--glow-lime)}
.bgm-bars{flex:1;min-width:240px;display:grid;gap:9px}
.bgm-bar{display:grid;grid-template-columns:130px 1fr 36px;align-items:center;gap:10px;font-size:.86rem}
.bgm-bar .t{height:9px;background:var(--c-surface-3);border-radius:99px;overflow:hidden}
.bgm-bar .t i{display:block;height:100%;background:linear-gradient(90deg,var(--c-accent-dim),var(--c-accent))}

/* steps */
.bgm-steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:10px}
.bgm-steps li{counter-increment:s;background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r-sm);
  padding:14px 16px 14px 58px;position:relative}
.bgm-steps li::before{content:counter(s);position:absolute;left:12px;top:12px;width:32px;height:32px;
  background:var(--c-accent);color:var(--c-on-accent);font-family:var(--fdisplay);font-weight:700;
  display:grid;place-items:center;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}

/* bonus card */
.bgm-bonus{background:
  linear-gradient(135deg,rgba(108,74,214,.18),transparent 60%),linear-gradient(180deg,var(--c-surface-2),var(--c-surface));
  border:1px solid var(--c-accent);border-radius:var(--r);padding:22px;box-shadow:var(--glow-lime)}
.bgm-bonus__amt{font-family:var(--fdisplay);font-size:1.7rem;font-weight:800;color:var(--c-accent)}

/* providers / chips grid */
.bgm-prov{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.bgm-prov span{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r-sm);padding:11px;
  text-align:center;font-size:.86rem;font-weight:600}

/* pros-cons */
.bgm-pc{display:grid;grid-template-columns:1fr;gap:14px}
.bgm-pc__col{border-radius:var(--r);padding:20px;border:1px solid var(--c-border)}
.bgm-pc__col--pro{background:rgba(98,213,143,.07);border-color:var(--c-success)}
.bgm-pc__col--con{background:rgba(255,107,107,.06);border-color:var(--c-danger)}
.bgm-pc ul{list-style:none;padding:0}
.bgm-pc--pro li::before{content:"▸ ";color:var(--c-success);font-weight:900}
.bgm-pc--con li::before{content:"▸ ";color:var(--c-danger);font-weight:900}

/* timeline */
.bgm-tl{list-style:none;padding:0;border-left:2px solid var(--c-accent);margin-left:8px}
.bgm-tl li{position:relative;padding:0 0 16px 22px}
.bgm-tl li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;background:var(--c-accent);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.bgm-tl time{display:block;color:var(--c-text-dim);font-size:.76rem}

/* faq */
.bgm-faq details{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r-sm);margin-bottom:10px;padding:0 16px}
.bgm-faq summary{cursor:pointer;padding:15px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.bgm-faq summary::-webkit-details-marker{display:none}
.bgm-faq summary::after{content:"+";color:var(--c-accent);font-family:var(--fdisplay);font-size:1.3em}
.bgm-faq details[open] summary::after{content:"–"}
.bgm-faq details>p{padding-bottom:15px;margin:0;color:var(--c-text-muted)}

/* verdict + author */
.bgm-verdict{background:linear-gradient(135deg,rgba(232,255,0,.06),transparent 55%),var(--c-surface-2);
  border:1px solid var(--c-accent);border-radius:var(--r);padding:22px}
.bgm-author{display:flex;gap:14px;align-items:center}
.bgm-author__b{width:60px;height:60px;background:var(--c-surface-3);border:1px solid var(--c-border);color:var(--c-accent);
  font-family:var(--fdisplay);font-size:1.4rem;display:grid;place-items:center;flex:0 0 auto;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}

/* angular section media */
.bgm-media{border-radius:var(--r);overflow:hidden;border:1px solid var(--c-border);margin:14px 0}
.bgm-phone{max-width:300px;margin:14px auto;border:9px solid var(--c-surface-3);border-radius:34px;overflow:hidden;box-shadow:var(--glow)}
.bgm-note{background:rgba(232,255,0,.06);border:1px solid var(--c-accent);border-radius:var(--r-sm);padding:13px 15px;font-size:.9rem}

/* sticky CTA */
.bgm-sticky{position:fixed;left:0;right:0;bottom:0;z-index:90;padding:10px 14px;background:rgba(11,12,16,.96);
  border-top:1px solid var(--c-accent);backdrop-filter:blur(8px)}
@media(min-width:980px){.bgm-sticky{display:none}}

/* TOC */
.bgm-toc{display:none}

/* footer (angled top) */
.bgm-foot{margin-top:48px;border-top:2px solid var(--c-accent);background:var(--c-surface);padding:34px 0 110px}
.bgm-foot__c{background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r-sm);padding:16px;font-size:.9rem;color:var(--c-text-muted)}
.bgm-foot__c a{color:var(--c-accent)}
.bgm-21{display:inline-grid;place-items:center;width:38px;height:38px;border:2px solid var(--c-danger);color:var(--c-danger);
  font-weight:800;font-size:.78rem;flex:0 0 auto;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.bgm-foot__badges{display:flex;flex-wrap:wrap;gap:9px;margin:14px 0}
.bgm-foot__badges span{font-size:.74rem;color:var(--c-text-dim);border:1px solid var(--c-border);border-radius:6px;padding:5px 9px}
.bgm-foot__links{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:.9rem}
.bgm-foot__links a{color:var(--c-text-muted)}

/* cookie */
.bgm-cookie{position:fixed;left:14px;right:14px;bottom:78px;z-index:95;background:var(--c-surface-2);
  border:1px solid var(--c-accent);border-radius:var(--r);padding:16px;box-shadow:var(--glow);display:none;flex-direction:column;gap:12px}
.bgm-cookie.is-show{display:flex}
.bgm-cookie__b{display:flex;gap:10px}.bgm-cookie__b button{flex:1}

@media(min-width:560px){.bgm-prov{grid-template-columns:repeat(3,1fr)} .bgm-stats{grid-template-columns:repeat(3,1fr)}}
@media(min-width:760px){
  .bgm-hero{min-height:420px} .bgm-pc{grid-template-columns:1fr 1fr} .bgm-prov{grid-template-columns:repeat(4,1fr)}
  .bgm-hero__in{padding:40px 36px;max-width:760px}
}
@media(min-width:980px){
  .bgm-nav{display:flex} .bgm-burger{display:none}
  .bgm-layout{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
  .bgm-toc{display:block;position:sticky;top:80px;background:var(--c-surface-2);border:1px solid var(--c-border);border-radius:var(--r);padding:16px;font-size:.86rem}
  .bgm-toc ol{list-style:none;padding:0;margin:0;max-height:72vh;overflow:auto}
  .bgm-toc a{display:block;padding:5px 6px;color:var(--c-text-muted);border-radius:6px}
  .bgm-toc a:hover,.bgm-toc a.is-active{color:var(--c-accent);background:var(--c-surface-3);text-decoration:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.bgm-head,.bgm-sticky,.bgm-cookie,.bgm-toc,.bgm-btn{display:none!important}body{background:#fff;color:#000}}