@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Serif:wght@400;600;700&display=swap');

:root{
  --bg:#12121a; --panel:#1a1a26; --card:#1f1f2e; --card2:#252535;
  --line:rgba(200,190,255,.09);
  --text:#e8e8f0; --muted:rgba(210,205,235,.6); --dim:rgba(190,185,220,.35);
  --acc:#c17aff; --acc2:#9b4dff; --ar:193,122,255;
  --amber:#ffb84d; --green:#3de8a0; --link:#69c2ff;
  --r:10px; --pad:18px; --hdr:62px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:15.5px;line-height:1.72;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}

/* bg dots */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse 65% 50% at 85% -10%,rgba(var(--ar),.12) 0%,transparent 55%),
             radial-gradient(ellipse 50% 40% at 5% 100%, rgba(61,232,160,.07) 0%,transparent 50%),
             var(--bg);}

/* HEADER */
.hdr{position:sticky;top:0;z-index:100;height:var(--hdr);background:rgba(18,18,26,.9);backdrop-filter:blur(16px) saturate(1.5);border-bottom:1px solid var(--line)}
.hdr__inner{max-width:1200px;margin:0 auto;height:100%;padding:0 var(--pad);display:flex;align-items:center;gap:12px}
.hdr__logo img{height:30px;width:auto}
.hdr__nav{display:none;list-style:none;flex:1;justify-content:center;gap:2px}
.hdr__nav a{padding:7px 12px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);transition:.15s}
.hdr__nav a:hover,.hdr__nav a.active{color:var(--acc);background:rgba(var(--ar),.1)}
.hdr__cta{margin-left:auto;padding:8px 18px;border-radius:999px;background:var(--amber);color:#1a1206;font-weight:700;font-size:13px;white-space:nowrap;transition:.15s}
.hdr__cta:hover{filter:brightness(1.08)}
.burger{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r);background:transparent;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin-left:auto}
.burger__line{width:18px;height:2px;background:var(--acc);border-radius:2px}

.side{position:fixed;inset:0 0 0 auto;width:270px;z-index:200;background:var(--panel);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .25s;padding:20px 0 40px}
.side.open{transform:translateX(0)}
.side__close{position:absolute;top:14px;right:14px;width:36px;height:36px;background:var(--card);border:none;border-radius:var(--r);cursor:pointer;display:grid;place-content:center}
.side__close::before,.side__close::after{content:'';position:absolute;width:14px;height:2px;background:var(--muted)}
.side__close::before{transform:rotate(45deg)}.side__close::after{transform:rotate(-45deg)}
.side nav{margin-top:56px;padding:0 12px}
.side nav a{display:flex;gap:9px;padding:12px 14px;border-radius:var(--r);font-weight:600;font-size:14px;color:var(--muted)}
.side nav a.active,.side nav a:hover{color:var(--acc);background:rgba(var(--ar),.09)}
.overlay{position:fixed;inset:0;z-index:150;background:rgba(0,0,0,.55);display:none}
.overlay.show{display:block}

/* PAGE */
.page{max-width:880px;margin:0 auto;padding:36px var(--pad) 80px}

/* HERO */
.hero{margin-bottom:28px}
.hero h1{font-family:'IBM Plex Serif',serif;font-size:clamp(24px,4vw,38px);font-weight:700;line-height:1.18;margin-bottom:14px;color:#fff;letter-spacing:-.01em}
.hero__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;font-size:12.5px;color:var(--dim)}
.hero__meta .avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--acc2),var(--amber));color:#fff;display:grid;place-content:center;font-size:10.5px;font-weight:700}
.hero__meta .by{color:var(--muted);font-weight:600}
.hero__lead{font-size:16.5px;color:var(--muted);line-height:1.65}
.lead-rest{display:none}.hero__lead.open .lead-rest{display:inline}
.lead-toggle{display:inline-block;margin-left:5px;background:none;border:none;cursor:pointer;font-family:inherit;font-size:inherit;font-weight:700;color:var(--acc);text-decoration:underline;text-underline-offset:3px}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:30px}
@media(min-width:540px){.stats{grid-template-columns:repeat(6,1fr)}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 10px;text-align:center;position:relative;overflow:hidden}
.stat::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(var(--ar),.04),transparent);pointer-events:none}
.stat__val{font-size:19px;font-weight:700;color:var(--acc);line-height:1;margin-bottom:5px;font-family:'IBM Plex Serif',serif}
.stat__lbl{font-size:10.5px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}

/* SECTION */
.section{margin-bottom:38px}
.section h2{font-family:'IBM Plex Serif',serif;font-size:clamp(18px,2.6vw,23px);font-weight:700;margin-bottom:14px;color:#fff;padding-bottom:11px;border-bottom:1px solid var(--line)}
.section h3{font-size:16px;font-weight:700;margin:22px 0 8px;color:var(--amber)}
.section p{margin-bottom:13px;color:rgba(235,232,248,.82)}
.section p:last-child{margin-bottom:0}
.section strong{color:#fff;font-weight:600}
.section ul,.section ol{padding-left:20px;margin-bottom:13px}
.section li{margin-bottom:6px;color:rgba(235,232,248,.82)}

/* INLINE LINK — классическая перелинковка */
.ilink{color:var(--link);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;font-weight:500}
.ilink:hover{color:var(--acc);text-decoration-thickness:2px}

/* TABLE */
.tbl-wrap{overflow-x:auto;margin:16px 0;border-radius:var(--r);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{background:var(--card2);color:var(--acc);font-weight:700;text-align:left;padding:10px 14px;white-space:nowrap;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line)}
td{padding:9px 14px;border-bottom:1px solid var(--line);color:rgba(235,232,248,.82)}
tr:last-child td{border-bottom:none}
tr:nth-child(even) td{background:rgba(var(--ar),.025)}

/* FAQ */
.faq__item{border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px;background:var(--card);overflow:hidden}
.faq__q{width:100%;background:none;border:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:15px 18px;gap:12px;text-align:left;font-family:inherit;font-size:14.5px;font-weight:600;color:var(--text)}
.faq__q:hover{color:var(--acc)}
.faq__icon{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:rgba(var(--ar),.14);display:grid;place-content:center;transition:.2s;font-size:14px;color:var(--acc);font-style:normal}
.faq__item.open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s}
.faq__item.open .faq__a{max-height:1000px}
.faq__a-inner{padding:0 18px 15px;font-size:14px;color:var(--muted);line-height:1.7}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(195px,1fr));gap:12px;margin:16px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:17px;transition:.2s}
.card:hover{border-color:rgba(var(--ar),.4);transform:translateY(-2px)}
.card__icon{font-size:23px;margin-bottom:9px}
.card__title{font-size:14px;font-weight:700;margin-bottom:5px;color:#fff}
.card__text{font-size:13px;color:var(--muted);line-height:1.55}

/* STEPS */
.steps{counter-reset:s;display:flex;flex-direction:column;gap:9px;margin:16px 0}
.step{display:flex;gap:13px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:13px 16px}
.step__num{counter-increment:s;flex-shrink:0;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--acc2),var(--acc));color:#fff;display:grid;place-content:center;font-size:13px;font-weight:700;margin-top:2px}
.step__num::before{content:counter(s)}
.step__title{font-size:14px;font-weight:700;margin-bottom:3px;color:#fff}
.step__text{font-size:13px;color:var(--muted)}

/* NOTICE */
.notice{background:rgba(var(--ar),.07);border:1px solid rgba(var(--ar),.2);border-left:3px solid var(--acc);border-radius:var(--r);padding:14px 16px;font-size:13.5px;color:rgba(235,232,248,.78);margin:20px 0}
.notice strong{color:var(--acc)}

/* INTERNAL LINKS */
.internal-links{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.internal-links a{padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:13px;font-weight:600;color:var(--muted);transition:.15s}
.internal-links a:hover{color:var(--acc);border-color:rgba(var(--ar),.3)}

/* BREADCRUMB */
.breadcrumb{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--dim);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--link);font-weight:600}

/* FIGURE */
.article-figure{margin:22px 0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);line-height:0}
.article-figure img{width:100%}

/* ── WAGER CALCULATOR ── */
.calc{background:linear-gradient(160deg,var(--panel),var(--card2));border:1px solid rgba(var(--ar),.25);border-radius:16px;padding:24px;margin:26px 0;position:relative;overflow:hidden}
.calc::before{content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(var(--ar),.1);filter:blur(20px);pointer-events:none}
.calc__head{display:flex;align-items:center;gap:10px;margin-bottom:5px;flex-wrap:wrap}
.calc__title{font-family:'IBM Plex Serif',serif;font-size:19px;font-weight:700;color:#fff}
.calc__badge{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#1a1206;background:var(--amber);padding:3px 10px;border-radius:999px}
.calc__sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.calc__field{margin-bottom:16px}
.calc__label{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px;display:block}
.calc__input{width:100%;background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;color:#fff;font-family:inherit;font-size:15px;font-weight:700}
.calc__input:focus{outline:none;border-color:var(--acc)}
.calc__range{width:100%;-webkit-appearance:none;height:5px;border-radius:3px;background:var(--line);outline:none;margin-top:10px}
.calc__range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--amber);cursor:pointer;border:3px solid var(--panel)}
.calc__range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--amber);cursor:pointer;border:3px solid var(--panel)}
.calc__results{margin-top:20px;border-top:1px dashed var(--line);padding-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc__res{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px}
.calc__res-lbl{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px}
.calc__res-val{font-family:'IBM Plex Serif',serif;font-size:20px;font-weight:700;color:#fff;line-height:1.1}
.calc__res-val small{font-size:12px;color:var(--muted);font-weight:500;font-family:'IBM Plex Sans'}
.calc__res.wide{grid-column:1/-1}
.calc__res.accent{border-color:rgba(var(--ar),.4);background:rgba(var(--ar),.07)}
.calc__res.accent .calc__res-val{color:var(--acc)}
.calc__note{font-size:11.5px;color:var(--dim);margin-top:12px;line-height:1.6}
.calc__toggle{display:flex;gap:8px;margin-bottom:16px}
.calc__toggle button{flex:1;padding:9px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg);color:var(--muted);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:.15s}
.calc__toggle button.active{border-color:var(--acc);color:var(--acc);background:rgba(var(--ar),.1)}

/* AUTHOR */
.author-section{margin:44px 0 24px;border-top:1px solid var(--line);padding-top:26px}
.author-section__title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--dim);margin-bottom:14px}
.author-card{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;max-width:360px}
.author-card__avatar{width:46px;height:46px;border-radius:50%;flex-shrink:0;display:grid;place-content:center;font-size:15px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--acc2),var(--amber))}
.author-card__name{font-size:14px;font-weight:700;color:#fff}
.author-card__role{font-size:12px;color:var(--muted);margin-top:2px}
.author-card__date{font-size:11.5px;color:var(--dim);margin-top:3px}

/* FOOTER */
.ft{background:var(--panel);border-top:1px solid var(--line);padding:34px var(--pad) 22px}
.ft__inner{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.ft__nav{display:flex;flex-wrap:wrap;gap:5px 16px}
.ft__nav a{font-size:13px;color:var(--muted);font-weight:600}
.ft__nav a:hover{color:var(--acc)}
.ft__bottom{max-width:1200px;margin:16px auto 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;border-top:1px solid var(--line);padding-top:16px}
.ft__logos{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.ft__logos img{height:22px;opacity:.5;filter:brightness(0) invert(1);transition:.15s}
.ft__logos img:hover{opacity:.85}
.ft__legal{flex:1;font-size:11.5px;color:var(--dim);line-height:1.6;max-width:600px}
.ft__copy{font-size:11.5px;color:var(--dim);width:100%;margin-top:4px}
p.disclaimer{font-size:12px;color:var(--dim);font-style:italic;margin-top:14px}

@media(min-width:768px){.hdr__nav{display:flex}.burger{display:none}:root{--hdr:66px}.hdr__logo img{height:34px}}
@media(min-width:1024px){.page{padding:46px 24px 100px}}