/* citeOS article layout.
   Extracted from learn/crypto-pr-distribution 2026-08-27 so every /learn article
   shares one layout instead of each page carrying its own inline block.
   Load after solution.css. */

/* ── article: two-column reading layout ── */
.art{background:var(--bk);padding:104px 0 0;}
.art-masthead{max-width:820px;margin:0 auto;padding:14px 24px 0;}
.art-kicker{font-family:var(--m);font-size:11px;letter-spacing:1.8px;text-transform:uppercase;color:var(--p);display:flex;gap:9px;align-items:center;margin-bottom:20px;}
.art-kicker a{color:var(--p);text-decoration:none;} .art-kicker span{color:var(--w4);}
.art-title{font-family:var(--d);font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-1.6px;font-weight:700;color:var(--wh);margin:0 0 20px;text-wrap:balance;}
.art-dek{font-family:var(--serif);font-size:clamp(20px,2.4vw,26px);line-height:1.42;color:var(--w3);margin:0 0 28px;font-weight:400;max-width:48ch;}
.art-byline{display:flex;align-items:center;gap:13px;padding:16px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.art-av{width:40px;height:40px;border-radius:50%;background:var(--p);color:var(--lime);display:flex;align-items:center;justify-content:center;font-family:var(--d);font-weight:700;font-size:15px;flex-shrink:0;}
.art-byline .who{font-family:var(--d);font-size:14px;font-weight:600;color:var(--wh);display:block;line-height:1.35;}
.art-byline .sub{font-family:var(--m);font-size:11px;color:var(--w3);letter-spacing:.3px;}
.art-byline .bm{margin-left:auto;font-family:var(--m);font-size:11px;color:var(--w3);letter-spacing:.4px;display:flex;align-items:center;gap:9px;}
.art-byline .dot{width:3px;height:3px;border-radius:50%;background:var(--w4);}
.art-hero{max-width:1140px;margin:30px auto 0;padding:0 24px;}
.art-hero svg,.art-hero img{display:block;width:100%;height:auto;border-radius:16px;border:1px solid var(--rule);box-shadow:0 30px 60px -44px rgba(15,61,44,.45);}
/* two-column shell */
.art-shell{max-width:1140px;margin:44px auto 0;padding:0 24px;display:grid;grid-template-columns:280px 1fr;gap:60px;align-items:start;}
.art-rail{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.rail-box{background:var(--bk2);border:1px solid var(--rule);border-radius:16px;padding:24px 22px;}
.rail-k{font-family:var(--d);font-size:16px;font-weight:700;color:var(--wh);margin:0 0 16px;}
.rail-toc .toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--rule);}
.rail-toc a{font-family:var(--d);font-size:14px;font-weight:500;color:var(--w3);padding:8px 0 8px 16px;margin-left:-1px;border-left:2px solid transparent;text-decoration:none;line-height:1.4;transition:color .12s;}
.rail-toc a:hover{color:var(--wh);}
.rail-toc a.active{color:var(--wh);font-weight:600;border-left-color:var(--p);}
.rail-cta{background:var(--ink);border-color:transparent;position:relative;overflow:hidden;box-shadow:0 24px 44px -30px rgba(15,61,44,.5);}
.rail-cta::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime);}
.rail-cta .rail-k{color:#f6f4ef;font-size:19px;letter-spacing:-.4px;}
.rail-cta p{font-size:13.5px;line-height:1.55;color:var(--on-ink-2);margin:0 0 16px;}
.rail-cta a.btn{display:block;text-align:center;background:var(--lime);color:var(--p);font-family:var(--m);font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;padding:14px;border-radius:9px;text-decoration:none;transition:background .15s,transform .15s;}
.rail-cta a.btn:hover{background:var(--lime-d);transform:translateY(-1px);}
.rail-share .sh{display:flex;gap:10px;}
.rail-share .sh a,.rail-share .sh button{flex:1;height:42px;border-radius:10px;border:1px solid var(--rule);background:var(--bk);display:flex;align-items:center;justify-content:center;color:var(--w2);font-family:var(--m);font-size:11px;font-weight:600;letter-spacing:.4px;cursor:pointer;text-decoration:none;transition:border-color .12s,color .12s;}
.rail-share .sh a:hover,.rail-share .sh button:hover{border-color:var(--p);color:var(--p);}
.rail-share .sh svg{width:17px;height:17px;display:block;}
/* main column prose */
.art-main{min-width:0;}
.art-main>*:first-child{margin-top:0;}
.art-main>p{font-size:18px;line-height:1.78;color:var(--w2);margin:0 0 26px;}
.art-main .art-lede{font-size:20px;line-height:1.7;color:var(--w2);margin:0 0 28px;}
.art-main h2{font-family:var(--d);font-size:clamp(25px,2.6vw,31px);line-height:1.2;letter-spacing:-.7px;font-weight:700;color:var(--wh);margin:46px 0 16px;text-wrap:balance;scroll-margin-top:92px;}
.art-main a{color:var(--p);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;}
.art-main strong{color:var(--wh);font-weight:600;}
.art-list{list-style:none;padding:0;margin:0 0 26px;}
.art-list li{position:relative;padding-left:26px;margin-bottom:14px;font-size:18px;line-height:1.7;color:var(--w2);}
.art-list li::before{content:'';position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime);}
/* callout */
.callout{background:var(--ink);color:var(--on-ink);border-radius:16px;padding:26px 28px;margin:0 0 28px;position:relative;overflow:hidden;}
.callout::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--lime);}
.callout .ck{font-family:var(--m);font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:var(--lime);margin-bottom:12px;}
.callout p{font-size:17px;line-height:1.6;color:var(--on-ink);margin:0;}
.callout p b{color:var(--lime);font-weight:600;}
/* pull quote */
.pullquote{font-family:var(--serif);font-size:clamp(23px,2.8vw,28px);line-height:1.32;color:var(--p);border-left:3px solid var(--lime);padding:2px 0 2px 24px;margin:34px 0;font-weight:400;}
/* stat trio */
.art-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0 28px;}
.art-stats .sc{background:var(--bk2);border:1px solid var(--rule);border-radius:12px;padding:20px 18px;}
.art-stats .sv{font-family:var(--d);font-size:32px;font-weight:700;letter-spacing:-1.4px;line-height:1;color:var(--p);}
.art-stats .sl{font-family:var(--m);font-size:10.5px;line-height:1.5;color:var(--w3);margin-top:9px;}
/* steps */
.art-steps{list-style:none;counter-reset:st;padding:0;margin:20px 0 26px;display:flex;flex-direction:column;gap:12px;}
.art-steps li{counter-increment:st;background:var(--bk2);border:1px solid var(--rule);border-radius:12px;padding:20px 22px 20px 60px;position:relative;}
.art-steps li::before{content:counter(st);position:absolute;left:22px;top:18px;font-family:var(--d);font-size:22px;font-weight:700;color:var(--lime-d);line-height:1;}
.art-steps h4{font-family:var(--d);font-size:16.5px;font-weight:700;color:var(--wh);margin:0 0 5px;}
.art-steps p{font-size:15px;line-height:1.6;color:var(--w3);margin:0;}
/* inline cta */
.art-inline-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;background:var(--plt);border:1px solid var(--pmd);border-radius:12px;padding:20px 24px;margin:28px 0;}
.art-inline-cta p{font-family:var(--d);font-size:15.5px;font-weight:600;color:var(--wh);margin:0;flex:1;min-width:200px;}
.art-inline-cta a{font-family:var(--m);font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--on-ink);background:var(--p);padding:13px 20px;border-radius:8px;white-space:nowrap;text-decoration:none;transition:background .15s;}
.art-inline-cta a:hover{background:var(--p2);}
/* table */
.cmp{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:15px;}
.cmp th,.cmp td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--rule);vertical-align:top;line-height:1.5;}
.cmp th{font-family:var(--m);font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--p);}
.cmp td:first-child{font-weight:600;color:var(--wh);}
.cmp .c-seo{color:var(--w3);} .cmp .c-aeo{color:var(--w2);font-weight:600;}
/* faq */
.faqx{border-top:1px solid var(--rule);margin-top:6px;}
.faqx details{border-bottom:1px solid var(--rule);}
.faqx summary{font-family:var(--d);font-size:16.5px;font-weight:600;color:var(--wh);padding:18px 34px 18px 0;cursor:pointer;list-style:none;position:relative;}
.faqx summary::-webkit-details-marker{display:none;}
.faqx summary::after{content:'+';position:absolute;right:4px;top:15px;font-size:22px;color:var(--p);font-weight:400;}
.faqx details[open] summary::after{content:'\2013';}
.faqx details p{font-size:15px;line-height:1.7;color:var(--w2);margin:0 0 18px;}
/* author */
.art-author{display:flex;gap:16px;align-items:flex-start;background:var(--bk2);border:1px solid var(--rule);border-radius:16px;padding:24px;margin:44px 0 0;}
.art-author .art-av{width:50px;height:50px;font-size:17px;}
.art-author .who{font-family:var(--d);font-size:16px;font-weight:700;color:var(--wh);margin-bottom:6px;}
.art-author p{font-size:14px;line-height:1.6;color:var(--w3);margin:0 0 10px;}
.art-author .soc{display:flex;gap:10px;}
.art-author .soc a{width:34px;height:34px;border-radius:9px;border:1px solid var(--rule);display:flex;align-items:center;justify-content:center;color:var(--w2);text-decoration:none;transition:border-color .12s,color .12s;}
.art-author .soc a:hover{border-color:var(--p);color:var(--p);}
.art-author .soc svg{width:16px;height:16px;display:block;}
/* related grid */
.art-more{max-width:1140px;margin:70px auto 0;padding:60px 24px 100px;border-top:1px solid var(--rule);}
.art-more h2{font-family:var(--d);font-size:clamp(26px,3vw,36px);text-align:center;color:var(--wh);letter-spacing:-1px;margin:0 0 36px;}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.more-card{background:var(--bk2);border:1px solid var(--rule);border-radius:16px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;box-shadow:0 16px 36px -24px rgba(15,61,44,.32);transition:transform .15s,box-shadow .15s;}
.more-card:hover{transform:translateY(-3px);box-shadow:0 26px 46px -32px rgba(15,61,44,.32);}
.more-thumb{display:block;width:100%;height:auto;border-bottom:1px solid var(--rule);background:var(--ink);}
.more-b{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;}
.more-b h3{font-family:var(--d);font-size:17px;font-weight:700;color:var(--wh);margin:0 0 8px;line-height:1.28;}
.more-b p{font-size:14px;line-height:1.55;color:var(--w3);margin:0 0 20px;}
.more-meta{margin-top:auto;display:flex;align-items:center;gap:9px;font-family:var(--m);font-size:11px;color:var(--w4);letter-spacing:.3px;}
.more-av{width:26px;height:26px;border-radius:50%;background:var(--p);color:var(--lime);font-family:var(--d);font-weight:700;font-size:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.more-tag{margin-left:auto;border:1px solid var(--rule);border-radius:100px;padding:4px 10px;color:var(--w3);}
@media(max-width:980px){
  .art-shell{grid-template-columns:1fr;gap:0;}
  .art-rail{position:static;order:2;margin-top:36px;}
  .rail-toc{display:none;}
  .more-grid{grid-template-columns:1fr;}
}
@media(max-width:680px){
  .art{padding-top:88px;}
  .art-stats{grid-template-columns:1fr;}
  .art-byline{flex-wrap:wrap;}
  .art-byline .bm{margin-left:0;width:100%;}
}
</style>

/* ---- Section rhythm ------------------------------------------------------
   Every article section gets the same vertical space regardless of what
   element precedes it. Uneven gaps came from each block carrying its own
   ad-hoc margin. */
.art-main > h2:first-child{margin-top:0;}
.art-main > h2{margin:56px 0 18px;}
.art-main > h3{font-family:var(--d);font-size:20px;font-weight:700;color:var(--wh);letter-spacing:-.3px;margin:34px 0 12px;}
.art-main > p,
.art-main > ul,
.art-main > ol,
.art-main > .tablewrap,
.art-main > figure,
.art-main > .callout,
.art-main > .faqx{margin-bottom:26px;}
.art-main > *:last-child{margin-bottom:0;}
.art-main > ul{list-style:none;padding:0;margin-top:0;}
.art-main > ul > li{position:relative;padding-left:24px;font-size:18px;line-height:1.75;color:var(--w2);margin-bottom:12px;}
.art-main > ul > li::before{content:'';position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--lime);}

/* ---- Tables --------------------------------------------------------------
   Bordered, banded and scrollable. A comparison table is the most-screenshotted
   element on these pages, so it gets real chrome rather than hairlines. */
.tablewrap{overflow-x:auto;border:1px solid var(--rule);border-radius:14px;background:var(--bk2);
  box-shadow:0 18px 38px -34px rgba(15,61,44,.30);-webkit-overflow-scrolling:touch;}
.tablewrap .cmp{margin:0;min-width:760px;font-size:14.5px;border-collapse:separate;border-spacing:0;}
.tablewrap .cmp thead th{background:var(--plt);color:var(--p);font-family:var(--m);font-size:10.5px;
  letter-spacing:1.1px;text-transform:uppercase;padding:15px 16px;border-bottom:2px solid var(--pmd);
  white-space:nowrap;vertical-align:middle;}
.tablewrap .cmp tbody td{padding:16px;border-bottom:1px solid var(--rule2);vertical-align:top;line-height:1.55;color:var(--w2);}
.tablewrap .cmp tbody tr:nth-child(even) td{background:rgba(15,61,44,.022);}
.tablewrap .cmp tbody tr:last-child td{border-bottom:0;}
.tablewrap .cmp td:first-child,
.tablewrap .cmp th:first-child{padding-left:20px;}
.tablewrap .cmp td:last-child,
.tablewrap .cmp th:last-child{padding-right:20px;}
.tablewrap .cmp tbody td:first-child{font-weight:700;color:var(--wh);white-space:nowrap;}
.tablewrap .cmp tbody tr.row-hi td{background:var(--plt);}
.tablewrap .cmp tbody tr.row-hi td:first-child{box-shadow:inset 3px 0 0 var(--lime);}
.tcap{font-family:var(--m);font-size:11.5px;letter-spacing:.4px;color:var(--w4);margin:10px 0 0;}

/* Yes / no / neutral cell chips */
.pill{display:inline-block;font-family:var(--m);font-size:11px;font-weight:600;letter-spacing:.6px;
  text-transform:uppercase;padding:4px 9px;border-radius:4px;white-space:nowrap;}
.pill-y{background:var(--lime);color:#0F3D2C;}
.pill-n{background:transparent;color:var(--w4);border:1px solid var(--rule);}

@media(max-width:900px){
  .tablewrap .cmp{min-width:660px;}
  .art-main > ul > li{font-size:16.5px;}
}

/* In-body figures (charts, diagrams). Distinct from .art-hero, which is the
   full-bleed masthead graphic. */
.art-figure{margin:8px 0 26px;border:1px solid var(--rule);border-radius:14px;overflow:hidden;
  background:var(--bk2);box-shadow:0 18px 38px -34px rgba(15,61,44,.30);}
.art-figure svg{display:block;width:100%;height:auto;}
.art-figure figcaption{font-family:var(--m);font-size:11.5px;line-height:1.6;letter-spacing:.3px;
  color:var(--w4);padding:13px 18px;background:var(--plt);border-top:1px solid var(--rule2);}