:root{
--ink:#070A16;
--ink-2:#0F1428;
--surface:#151C36;
--line:#26304F;
--text:#E6EAF7;
--muted:#98A2C2;
--gold:#F0B23C;
--aurora:#41D8BE;
--violet:#8C6BF2;
--radius:14px;
--wrap:1120px;
--display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
--body:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
a{color:var(--aurora);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--gold)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
img{max-width:100%;height:auto;display:block}

.site-header{position:sticky;top:0;z-index:40;background:rgba(7,10,22,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header__inner{max-width:var(--wrap);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:16px;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--text)}
.brand:hover{color:var(--text)}
.brand__mark{width:44px;height:auto;flex:0 0 auto}
.brand__name{display:flex;flex-direction:column;font-family:var(--body);font-weight:800;font-size:19px;line-height:.98;letter-spacing:.11em;text-transform:uppercase}
.brand__name i{font-style:normal;color:var(--gold)}
.brand__name em{font-style:normal;font-size:9px;font-weight:700;letter-spacing:.22em;color:var(--muted);margin-top:4px}
.site-header__actions{display:flex;gap:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;letter-spacing:.02em;padding:12px 22px;border-radius:999px;text-decoration:none;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background:linear-gradient(115deg,var(--gold),#FFD27A);color:#1A1204;box-shadow:0 8px 26px rgba(240,178,60,.24)}
.btn--solid:hover{color:#1A1204}
.btn--ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn--ghost:hover{color:var(--gold);border-color:var(--gold)}
.btn--wide{width:100%;padding:15px 24px;font-size:16px}

.hero{padding:56px 0 44px;background:radial-gradient(1100px 460px at 12% -10%,rgba(140,107,242,.28),transparent 62%),radial-gradient(900px 420px at 92% 6%,rgba(65,216,190,.16),transparent 60%)}
.hero__grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.hero h1{font-family:var(--display);font-size:2.5rem;line-height:1.16;margin:0 0 14px;font-weight:600;letter-spacing:-.01em}
.byline{font-size:14px;color:var(--muted);margin:0 0 22px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.byline a{color:var(--gold)}
.hero__lead{font-size:18px;color:#CDD5EE;margin:0 0 18px}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero__actions .btn{padding:14px 28px}
.hero__figure img{border-radius:var(--radius);border:1px solid var(--line)}

.snapshot{margin-top:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-2);padding:6px 18px}
.snapshot dl{display:grid;grid-template-columns:auto 1fr;gap:0;margin:0}
.snapshot dt{font-size:13px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);padding:11px 0;border-bottom:1px solid var(--line)}
.snapshot dd{margin:0;padding:11px 0;text-align:right;border-bottom:1px solid var(--line);font-weight:600}
.snapshot dl>:nth-last-child(1),.snapshot dl>:nth-last-child(2){border-bottom:0}

main{padding:12px 0 40px}
section{margin:0 0 8px}
h2{font-family:var(--display);font-size:1.95rem;line-height:1.25;font-weight:600;margin:52px 0 4px;letter-spacing:-.01em}
h2+.rule{width:74px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold),var(--aurora),var(--violet));margin:0 0 18px}
h3{font-size:1.2rem;font-weight:700;margin:34px 0 10px;color:#FFF}
h4{font-size:1.02rem;font-weight:700;margin:22px 0 8px;color:var(--gold)}
p{margin:0 0 18px}
figure{margin:26px 0}
main figure{max-width:520px;margin-left:auto;margin-right:auto}
main figure figcaption{text-align:center}
figure img{border-radius:var(--radius);border:1px solid var(--line)}
figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.fig--square{max-width:560px}

.toc{border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-2);margin:30px 0 8px}
.toc>summary{cursor:pointer;padding:16px 20px;font-weight:700;font-size:15px;letter-spacing:.04em;text-transform:uppercase;list-style:none}
.toc>summary::-webkit-details-marker{display:none}
.toc>summary::after{content:"+";float:right;color:var(--gold);font-size:20px;line-height:1}
.toc[open]>summary::after{content:"–"}
.toc ol{margin:0;padding:0 20px 18px 40px;columns:2;column-gap:34px}
.toc li{margin:0 0 7px;font-size:15px}

table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
caption{caption-side:top;text-align:left;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-bottom:9px}
th,td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:var(--surface);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold)}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:rgba(255,255,255,.018)}

.steps{counter-reset:s;list-style:none;margin:24px 0;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 20px 58px;border-left:1px solid var(--line);margin-left:16px}
.steps li:last-child{border-left-color:transparent}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:-17px;top:-2px;width:34px;height:34px;border-radius:50%;background:var(--ink-2);border:1px solid var(--line);color:var(--gold);font-family:var(--mono);font-size:12px;display:flex;align-items:center;justify-content:center}
.steps strong{display:block;color:#FFF;margin-bottom:3px}

.note{border-left:3px solid var(--gold);background:var(--ink-2);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:24px 0;font-size:15.5px}
.note p:last-child{margin-bottom:0}

.games{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}
.game{border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-2);overflow:hidden}
.game img{width:100%}
.game__body{padding:14px 16px 18px}
.game__name{font-weight:700;margin:0 0 4px}
.game__meta{font-size:13px;color:var(--muted);margin:0 0 12px;font-family:var(--mono)}

.faq{margin:22px 0}
.faq details{border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-2);margin-bottom:12px}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:700;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--gold)}
.faq details[open] summary::after{content:"–"}
.faq .faq__a{padding:0 20px 18px}
.faq .faq__a p:last-child{margin-bottom:0}

.author-box{display:grid;grid-template-columns:100px 1fr;gap:22px;align-items:start;border:1px solid var(--line);border-radius:var(--radius);background:var(--ink-2);padding:24px;margin:38px 0}
.author-box img{border-radius:50%;width:100px;height:100px}
.author-box h3{margin:0 0 6px}
.author-box p{font-size:15.5px;margin-bottom:10px}
.author-box__role{font-size:13px;letter-spacing:.03em;color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:10px}

.rg-banner{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(140,107,242,.12),transparent);padding:22px 24px;margin:34px 0}
.rg-banner h2{margin-top:0}

.site-footer{border-top:1px solid var(--line);background:var(--ink-2);padding:38px 0 46px;font-size:15px;color:var(--muted);margin-top:40px}
.site-footer .brand{margin-bottom:18px}
.site-footer .brand__mark{width:40px}
.site-footer .brand__name{font-size:17px}
.site-footer .brand{color:var(--text)}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin:0 0 18px}
.site-footer a{color:var(--text)}
.site-footer__legal{font-size:14px;line-height:1.7}
.age{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:2px solid var(--gold);color:var(--gold);font-weight:800;font-size:13px;margin-right:12px;vertical-align:middle}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

@media(max-width:860px){
html,body{overflow-x:clip;overscroll-behavior-x:none}
body{font-size:16.5px}
.wrap{padding:0 16px}
.site-header{position:sticky}
.site-header__inner{padding:12px}
.brand__mark{width:38px}
.brand__name{font-size:16px;letter-spacing:.09em}
.site-header__actions{flex:1 1 auto;justify-content:flex-end;gap:8px}
.site-header__actions .btn{flex:1 1 0;min-width:0;padding:10px 12px;font-size:14px}
.hero{padding-top:22px}
.hero__grid{grid-template-columns:1fr;gap:26px}
.hero h1{font-size:1.6rem}
h1,h2,h3,h4,p,.hero__lead,figcaption{text-align:center}
h2+.rule{margin-left:auto;margin-right:auto}
.hero__actions{flex-direction:column}
.hero__actions .btn{width:100%}
.toc ol{columns:1;padding-left:34px}
.toc li,.faq summary,.faq .faq__a,td,th,.steps li{text-align:left}
.toc ol{text-align:left}
.games{grid-template-columns:1fr}
.fig--square{max-width:100%}
.author-box{grid-template-columns:1fr;justify-items:center;text-align:center}
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
table{font-size:14px;table-layout:fixed;word-break:break-word}
caption{text-align:left}
th,td{padding:9px 9px}
.steps li{padding-left:48px}
}